WO2015079517A1 - Structure de raccordement de tuyau de gaz - Google Patents

Structure de raccordement de tuyau de gaz Download PDF

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Publication number
WO2015079517A1
WO2015079517A1 PCT/JP2013/081927 JP2013081927W WO2015079517A1 WO 2015079517 A1 WO2015079517 A1 WO 2015079517A1 JP 2013081927 W JP2013081927 W JP 2013081927W WO 2015079517 A1 WO2015079517 A1 WO 2015079517A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
flange portion
pipe
gas pipe
controller
Prior art date
Application number
PCT/JP2013/081927
Other languages
English (en)
Japanese (ja)
Inventor
隆文 ▲榊▼原
清水　正則
Original Assignee
リンナイ株式会社
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 リンナイ株式会社 filed Critical リンナイ株式会社
Priority to MYPI2016700908A priority Critical patent/MY185801A/en
Priority to KR1020167007145A priority patent/KR102181721B1/ko
Priority to PCT/JP2013/081927 priority patent/WO2015079517A1/fr
Priority to CN201380080619.1A priority patent/CN105705853B/zh
Publication of WO2015079517A1 publication Critical patent/WO2015079517A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/02—Flanged joints the flanges being connected by members tensioned axially
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/006—Attachments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/02—Branch units, e.g. made in one piece, welded, riveted
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
    • F16L41/086—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe fixed with screws
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/002—Gaseous fuel
    • F23K5/007—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2400/00—Pretreatment and supply of gaseous fuel
    • F23K2400/20—Supply line arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K2900/00—Special features of, or arrangements for fuel supplies
    • F23K2900/05141—Control or safety devices in liquid fuel supply line

Definitions

  • the present invention relates to a gas pipe connection structure for connecting one gas pipe and a pair of gas controllers arranged on both sides of the gas pipe.
  • a gas controller such as a gas cock or a gas valve provided with an operation mechanism is provided, and the fire extinguishing of the stove burner and the heating power adjustment are performed by operation of a knob or the like provided in the operation mechanism.
  • This type of gas controller includes a body having a gas passage formed therein, and fuel gas is supplied to the gas passage from a gas pipe connected to the body.
  • a flow path member for connection is provided between the gas pipe and both gas controllers.
  • This type of flow path member includes a gas flow path that branches in a T shape inside, and includes three connection ports corresponding to the respective gas flow paths. And the terminal part of a gas pipe is connected with a central connection port among three connection ports, and a gas controller is connected with each of the other two connection ports. By doing so, the fuel gas can be distributed and supplied from one gas pipe to the two gas controllers.
  • connection points are formed between the three connection ports, the gas pipe, and the pair of gas controllers. For this reason, not only connection work is required for each of the three connection points, but also it is necessary to ensure the sealing performance at each connection point, so the structure of the connection member becomes complicated and the manufacturing cost increases. there were.
  • the present invention can connect one gas pipe and the gas controllers on both sides thereof without using a connecting flow path member, etc.
  • An object of the present invention is to provide a gas pipe connection structure that can reduce the cost by reducing the number of points.
  • the present invention provides a gas pipe that connects a gas pipe and a pair of gas controllers that are disposed on both sides of the gas pipe and in which a gas flow path is formed.
  • the gas controller has a connecting passage that communicates with the gas flow path, and is integrally provided with an extension pipe portion that extends toward the gas pipe.
  • a protruding portion that has a shape corresponding to the peripheral wall of the gas pipe and is in contact with the gas pipe at the tip of each of the extending pipe portions; and a cylindrical convex portion that communicates with the communication path. And a pair of holes into which the convex portions are inserted when the abutting portions of the two gas controllers abut on the opposing surface of the peripheral wall of the gas pipe.
  • the gas pipe is brought into contact with the abutment portion of the extension pipe portion provided in the body of each gas controller, and the convex portion is inserted into the hole portion of the gas pipe, thereby both gases.
  • the controller and the gas pipe can be easily connected to each other, and the connecting portions between the gas controllers and the gas pipe are reliably maintained by connecting the flange portions facing each other with a connecting member. be able to.
  • both gas controllers and a gas pipe can be connected without connecting the conventional flow path member between both gas controllers and a gas pipe, and a number of parts can be reduced.
  • the connection work is easy.
  • the connecting member is a pair of screw members having the same shape including a screw shaft portion and a head having a larger diameter than the screw shaft portion, and the flange portion is an extension of the extension pipe portion.
  • a first flange portion and a second flange portion projecting in one direction intersecting the projecting direction and the other direction are formed, and the screw shaft portion of the screw member is screwed into the first flange portion.
  • an insertion hole through which the screw shaft portion of the screw member can be inserted is provided in the second flange portion, and when the contact portions of both gas controllers are in contact with the gas pipe,
  • the first flange portion of the gas controller and the second flange portion of the other gas controller face each other, and the second flange portion of one gas controller and the first flange portion of the other gas controller Are opposed to each other, and each screw member inserted through the insertion hole of each second flange portion is connected to each first flange. It may be screwed into the screw hole of Nji portion.
  • the bodies of both gas controllers are formed in the same shape and connected to the gas pipe, only one gas controller is turned upside down with respect to the other gas controller.
  • the first flange portion of the controller can be opposed to the second flange portion of the other gas controller. Therefore, the bodies of both gas controllers can be shared, and the manufacturing cost can be reduced.
  • FIG. 1 The top view which shows embodiment of this invention.
  • Sectional drawing which shows the connection state of a gas pipe and an extension pipe part.
  • Explanatory drawing which shows the decomposition
  • the figure which shows the contact part of an extension pipe part.
  • FIG. 1 a single gas pipe 1, a first gas controller 2, and a second gas controller 3 are provided inside the stove housing.
  • the first gas controller 2 and the second gas controller 3 are disposed on both sides of the gas pipe 1 so as to sandwich the gas pipe 1.
  • the first gas controller 2 and the second gas controller 3 have the same configuration, and both are constituted by a body 4 and an operation mechanism 5 assembled to the body 4.
  • the operation mechanism 5 includes an operation shaft 6.
  • the operating shaft 6 is held by an operating shaft holding means 7 attached to the front end surface of the body 4 so as to be rotatable and reciprocally movable in the axial direction.
  • the operating shaft holding means 7 includes a connecting plate 8 that is connected to a front wall plate 9 of the stove housing.
  • the operation shaft 6 extends forward through the front panel 10 covering the front wall plate 9 of the stove housing, and an operation knob (not shown) is attached so that the user can perform a rotation operation.
  • the body 4 is a cast product, and includes a main body portion 11 including a gas flow path, an on-off valve, a heating power adjustment valve, and the like (not shown), and a gas delivery member 12 that sends fuel gas to a gas burner.
  • An extension pipe portion 13 extending toward the gas pipe 1 is integrally formed with the main body portion 11.
  • the gas delivery member 12 is attached to the opposite side of the extended pipe portion 13 in the main trunk portion 11.
  • the positional relationship between the extension pipe portion 13 and the gas delivery member 12 is not limited to this.
  • the gas delivery member 12 may be attached to a position rotated by 90 ° with respect to the extension pipe part 13 with the main body part 11 as an axis.
  • the gas pipe 1 is a metal gas supply pipe having a circular cross section, and its downstream side extends to an intermediate position between the first gas controller 2 and the second gas controller 3.
  • the upstream end portion of the gas pipe 1 extends outward through the rear wall plate 14 of the stove housing, and is provided with a gas hose connection portion 15 for connecting a gas hose (not shown).
  • a closed portion 16 that closes the gas pipe 1 is formed at the downstream end of the gas pipe 1.
  • the closing portion 16 may be formed by fitting a lid member 17 into the gas pipe 1, or although not shown, the downstream end of the gas pipe 1 is crushed and welded by caulking or the like. You may form by.
  • drum 11 of the 2nd gas controller 3 are the gas pipes 1 It is connected to the. This connection structure will be described in detail.
  • the extension pipe part 13 has a communication path 18 communicating with the gas flow path inside the main body part 11, and the distal end is formed on the peripheral wall of the gas pipe 1.
  • a concave contact portion 19 that is curved correspondingly is formed, and a cylindrical convex portion 20 that communicates with the communication path 18 is formed.
  • the contact portion 19 is formed in a horizontally long shape, and the convex portion 20 is formed in the central portion of the contact portion 19, as shown in the tip portion of the extension pipe portion 13 of the first gas controller 2.
  • an annular seal member 21 such as a rubber O-ring is attached to the convex portion 20.
  • a pair of hole portions 22 facing each other are formed in the peripheral wall of the gas pipe 1.
  • the hole portion 22 is opened to a size that allows the convex portion 20 of the extended tube portion 13 to be inserted.
  • a first flange portion 23 that extends in one direction intersecting the extending direction of the extending tube portion 13 is formed on the outer periphery of the distal end portion of the extending tube portion 13, and the extending portion
  • a second flange portion 24 extending in the other direction intersecting the extending direction of the tube portion 13 is formed.
  • the first flange portion 23 provided in the extension pipe portion 13 of the first gas controller 2 and the second flange portion 24 provided in the extension pipe portion 13 of the second gas controller 3 are both sides of the gas pipe 1. Facing each other.
  • the 2nd flange part 24 with which the extension pipe part 13 of the 1st gas controller 2 is provided, and the 1st flange part 23 with which the extension pipe part 13 of the 2nd gas controller 3 is provided are the gas pipe 1. Opposite to each other.
  • first flange portion 23 is formed with a screw hole 25 having a thread formed on the inner peripheral surface
  • second flange portion 24 has a smooth inner peripheral surface (a thread is formed).
  • the insertion hole 26 is not formed.
  • the 1st flange part 23 and the 2nd flange part 24 which mutually oppose are connected by the screw member 27 (connection member).
  • the screw member 27 includes a screw shaft portion 27a having a thread formed on the outer peripheral surface, and a head portion 27b having a larger diameter than the screw shaft portion 27a, and is tightened from the second flange portion 24 side.
  • first flange portion 23 and the second flange portion are formed by inserting the screw shaft portion 27a through the insertion hole 26 of the second flange portion 24 and screwing the screw shaft portion 27a into the screw hole 25 of the first flange portion 23. 24 is firmly connected.
  • the convex portion 20 is inserted into the hole portion 22 of the gas pipe 1 and the contact portion 19 is brought into contact with the gas pipe 1, whereby the gas pipe 1 and the communication path 18 of the extension pipe portion 13 are connected. It will be in the state connected via the convex part 20.
  • FIG. Further, by connecting the first flange portion 23 and the second flange portion 24 facing each other in this state by the screw member 27, the connection state between the gas pipe 1 and the communication passage 18 of the extension pipe portion 13 is achieved. Maintained firmly.
  • the sealing member 21 is attached to the convex portion 20, sealing performance is ensured between the periphery of the hole 22 of the gas pipe 1 and the outer peripheral surface of the convex portion 20.
  • the first gas controller 2 and the second gas controller 3 can be connected to the gas pipe 1 with relatively simple work, and the structure is simple and the number of parts is also large. Since there are few, cost can be reduced reliably.
  • a screw hole is provided in the 1st flange part 23 and the 2nd flange part 24 with which the extension pipe part 13 of the 1st gas controller 2 is provided, and the extension pipe part 13 of the 2nd gas controller 3 is provided.
  • An insertion hole may be provided in the first flange portion 23 and the second flange portion 24 so as to be tightened by the screw member 27 from each flange side of the second gas controller 3.
  • a screw hole 25 is provided in the first flange portion 23, and an insertion hole 26 is provided in the second flange portion 24.
  • the bodies 4 of the first gas controller 2 and the second gas controller 3 may be formed in the same shape by tightening the screw members 27 in alternate directions from the second flange portion 24 side. This is advantageous because the manufacturing cost can be reduced.
  • insertion holes are provided in the first flange portion 23 and the second flange portion 24, and bolts and nuts are inserted through the insertion holes of both flanges 23 and 24. You may fasten. According to this, although the number of parts is increased by the nut, it is not necessary to turn a screw thread in the insertion hole of the first flange portion 23, the manufacturing man-hour can be reduced, and the body 4 is formed in the same shape. Can do.
  • the gas stove adopting the gas pipe connection structure of the present invention is shown in the gas stove.
  • the present invention is not limited to this, and one gas pipe and its gas can be used even in other gas appliances. It can be suitably employed when connecting a pair of gas controllers arranged on both sides of the tube.
  • one gas pipe and the gas controllers on both sides thereof can be easily connected without using a connecting flow path member or the like. Therefore, it can utilize suitably for the connection of the gas pipe in gas appliances, such as a gas stove.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Housings (AREA)
  • Feeding And Controlling Fuel (AREA)

Abstract

L'invention porte sur une structure de raccordement de tuyau de gaz de faible coût, par laquelle structure des opérations de raccordement entre un tuyau de gaz et des dispositifs de commande de gaz des deux côtés du tuyau de gaz sont faciles à effectuer. Des sections de tuyau étendues (13), s'étendant vers un tuyau de gaz (1) à partir de dispositifs de commande de gaz (2, 3) comportent des sections saillantes (20), respectivement. Des trous (22) pour l'introduction des sections saillantes (20), respectivement, sont situés dans les surfaces se faisant face d'une paroi périphérique du tuyau de gaz (1). Des sections de bride (23, 24) sur les côtés externes des sections de tuyau étendues respectives (13) sont réunies entre elles à l'aide d'un élément de raccord (27).
PCT/JP2013/081927 2013-11-27 2013-11-27 Structure de raccordement de tuyau de gaz WO2015079517A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
MYPI2016700908A MY185801A (en) 2013-11-27 2013-11-27 Gas pipe connecting structure
KR1020167007145A KR102181721B1 (ko) 2013-11-27 2013-11-27 가스관의 접속구조
PCT/JP2013/081927 WO2015079517A1 (fr) 2013-11-27 2013-11-27 Structure de raccordement de tuyau de gaz
CN201380080619.1A CN105705853B (zh) 2013-11-27 2013-11-27 燃气管连接结构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/081927 WO2015079517A1 (fr) 2013-11-27 2013-11-27 Structure de raccordement de tuyau de gaz

Publications (1)

Publication Number Publication Date
WO2015079517A1 true WO2015079517A1 (fr) 2015-06-04

Family

ID=53198508

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/081927 WO2015079517A1 (fr) 2013-11-27 2013-11-27 Structure de raccordement de tuyau de gaz

Country Status (4)

Country Link
KR (1) KR102181721B1 (fr)
CN (1) CN105705853B (fr)
MY (1) MY185801A (fr)
WO (1) WO2015079517A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57163082U (fr) * 1981-04-08 1982-10-14
JPH0744563U (ja) * 1995-01-09 1995-11-21 リンナイ株式会社 ガスコンロ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3536863B2 (ja) 1993-07-30 2004-06-14 株式会社日立製作所 多重文書処理システム及び方法
CN2413132Y (zh) * 1998-06-10 2001-01-03 曲树蓁 一种管接头
JP2002005427A (ja) * 2000-06-19 2002-01-09 Rinnai Corp ガス管の接続構造
DE102008047093A1 (de) * 2008-09-12 2010-03-18 Rehau Ag + Co. Befestigungsvorrichtung für Rohrbelüfter zur Abwasserreinigung
CN201420924Y (zh) * 2009-05-22 2010-03-10 刘洪昌 一种管卡式三通接头
KR20120133501A (ko) * 2011-05-31 2012-12-11 조윤성 클립훅 체결 구조를 가진 관 이음용 플랜지 조립체
CN202182270U (zh) * 2011-08-23 2012-04-04 重庆顾地塑胶电器有限公司 法兰式钢塑复合管内胀连接结构

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57163082U (fr) * 1981-04-08 1982-10-14
JPH0744563U (ja) * 1995-01-09 1995-11-21 リンナイ株式会社 ガスコンロ

Also Published As

Publication number Publication date
CN105705853A (zh) 2016-06-22
MY185801A (en) 2021-06-09
CN105705853B (zh) 2017-05-24
KR20160089337A (ko) 2016-07-27
KR102181721B1 (ko) 2020-11-24

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