US20180172281A1 - Gas cut-off assembly for gas heater - Google Patents

Gas cut-off assembly for gas heater Download PDF

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Publication number
US20180172281A1
US20180172281A1 US15/481,503 US201715481503A US2018172281A1 US 20180172281 A1 US20180172281 A1 US 20180172281A1 US 201715481503 A US201715481503 A US 201715481503A US 2018172281 A1 US2018172281 A1 US 2018172281A1
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US
United States
Prior art keywords
plunge
gas
assembly
central hole
board
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.)
Abandoned
Application number
US15/481,503
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English (en)
Inventor
Chiun Nien Chen
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 US20180172281A1 publication Critical patent/US20180172281A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/24—Preventing development of abnormal or undesired conditions, i.e. safety arrangements
    • F23N5/247—Preventing development of abnormal or undesired conditions, i.e. safety arrangements using mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00—Other domestic- or space-heating systems
    • 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
    • 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
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/04—Gas or oil fired boiler

Definitions

  • the present invention relates to a gas cut-off assembly, and more particularly, to a gas cut-off assembly for a gas heater and which cuts off the gas supply when the heater is tilted.
  • the conventional gas heater as shown in FIG. 1 comprises a burner 10 which has multiple holes 101 through which flames come out, a valve 11 which is connected to the mixing tube 102 of the burner 10 , a connection tube 12 which is connected to the inlet pipe 112 of the valve 11 , a pressure reduction valve 13 connected to the other end of the connection tube 12 , and a gas source 15 that is connected to the other end of the pressure reduction valve 13 .
  • Gas is supplied to the burner 10 via the pressure reduction valve 13 , the connection tube 12 and the valve 11 .
  • the present invention intends to provide a gas cut-off assembly for a gas heater when the heater is tilted, so as to eliminate the shortcomings mentioned above.
  • the present invention relates to a gas cut-off assembly for a gas heater, and the gas cut-off assembly comprises a top part, a middle part and a bottom part.
  • the top part is connected to an inlet of a valve.
  • the middle part is connected to between the top part and the bottom part.
  • the top part has an outlet which communicates with the inlet of the valve.
  • the middle part has a central hole defined therein.
  • the bottom part has an entrance which communicates with a gas source. The outlet, the central hole and the entrance communicate with each other.
  • a ball is movably received between the top part and the middle part.
  • a plunge movably extends through the central hole of the middle part so as to push the ball.
  • the plunge has a board connected thereto which removably seals the central hole of the middle part.
  • a resilient unit is resiliently pushing the plunge to seal the central hole of the middle part by the board.
  • FIG. 1 shows the conventional heater
  • FIG. 2 shows the gas cut-off assembly of the present invention used on the conventional heater
  • FIG. 3 is an enlarged cross sectional view of the gas cut-off assembly of the present invention.
  • FIG. 4 is an enlarged cross sectional view of the gas cut-off assembly of the present invention, when the heater is tilted;
  • FIG. 5 is an enlarged cross sectional view of a second embodiment of the gas cut-off assembly of the present invention.
  • FIG. 6 is an enlarged cross sectional view of the second embodiment of the gas cut-off assembly of the present invention, when the heater is tilted;
  • FIG. 7 is an enlarged cross sectional view of a third embodiment of the gas cut-off assembly of the present invention.
  • FIG. 8 is an enlarged cross sectional view of a fourth embodiment of the gas cut-off assembly of the present invention.
  • the gas cut-off assembly for a gas heater of the present invention comprises a top part 3 , a middle part 4 and a bottom part 5 .
  • the top part 3 has the first end thereof connected to an inlet 20 of a valve 2 which is connected to a burner (not shown).
  • the middle part 4 is connected to between the second end of the top part 3 and the first end of the bottom part 5 .
  • the top part 3 has an outlet 30 which communicates with the inlet 20 of the valve 2 .
  • the middle part 4 has a flange 40 formed therein and a central hole 401 is defined through the flange 40 , so that the plunge 7 extends through the central hole 401 .
  • the bottom part 5 has an entrance 50 which communicates with a gas source 99 such as a gas tube (not shown).
  • a gas source 99 such as a gas tube (not shown).
  • the outlet 30 , the central hole 401 and the entrance 50 communicate with each other.
  • a ball 6 is movably received between the top part 3 and the middle part 4 .
  • a plunge 7 movably extends through the central hole 401 of the middle part 4 so as to push the ball 6 .
  • the plunge 7 has a board 75 connected thereto which removably seals the central hole 401 of the middle part 4 to cut off the supply of the gas.
  • a resilient unit 8 resiliently pushes the plunge 7 to seal the central hole 401 of the middle part 4 by the board 75 .
  • the top part 3 has a first threaded portion 31 formed on the second end thereof so as to be connected to outer threads 41 on the top end of the middle part 4 .
  • a room 35 is defined between the top part 3 and the middle part 4 .
  • a sealing unit 98 is clamped between the second end of the top part 3 and the top end of the middle part 4 .
  • the room 35 communicates with the outlet 30 and the central hole 401 of the middle part 4 , and the ball 6 is movable within the room 35 .
  • the bottom part 5 has a second threaded portion 51 formed on the first end thereof so as to be connected to inner threads 42 formed on the lower end of the middle part 4 .
  • a reception area 43 is defied between the middle part 4 and the bottom part 5 .
  • the reception area 45 communicates with the central hole 401 of the middle part 4 and the entrance 50 so that the plunge 7 and the board 75 that is connected to the plunge 7 are movable within the reception area 45 .
  • a sealing unit 98 is clamped between the first end of the bottom part 5 and the middle part 4 .
  • a support member 90 is located on the top of the flange 40 and includes a recess defined therein.
  • the support member 90 has a guide hole 901 through which the plunge 7 extends.
  • the support member 90 has a through hole 902 which allows gas to pass therethrough.
  • a securing member 95 is located beneath the flange 40 and has a passage 951 through which the plunge 7 extends.
  • the securing member 95 includes outer threads 950 so as to be connected to the inner threads 42 of the middle part 4 .
  • the securing member 95 includes a passage 951 through which the plunge 7 extends.
  • the plunge 7 includes a restriction portion 70 to which the board 75 is connected.
  • a plate 76 is connected to the outside of the board 75 .
  • the resilient unit 8 has one end biasing the plate 76 , and the other end of the resilient unit 8 biases the bottom part 5 .
  • the resilient unit 8 has one end biasing the board 75 , the plate 76 or the restriction portion 70 , and the other end of the resilient unit 8 biases the bottom part 5 or the securing member 95 that is connected to the bottom part 5 .
  • the board 75 is removed from the central hole 401 which allows the gas from the gas source 99 to pass and flow to the inlet 20 of the valve 2 via the entrance 50 of the bottom part 5 , the central hole 401 and the outlet 30 as shown in FIG. 3 .
  • the burner is operated normally.
  • the second embodiment of the present invention is disclosed, wherein the middle part 4 has a flange 40 formed therein which has the central hole 401 through which the plunge 7 extends.
  • the flange 40 has a support portion 43 which is a recess in which the ball 6 is received.
  • the central hole 401 includes a guiding hole 4010 .
  • Two ribs 4011 are connected between the inner wall 401 and the outer wall of the guiding hole 401 , and a path 4012 is defined between the two ribs 4011 .
  • the path 4012 communicates with the top and the bottom of the flange 40 .
  • FIG. 7 shows the third embodiment of the present invention is disclosed, wherein the top part 3 has multiple top locking holes 32 which replace the first threaded portion 31 , and are located corresponding to top threaded holes 441 of the middle part 4 .
  • the bottom part 5 has multiple bottom locking holes 52 which replace the second threaded portion 51 , and are located corresponding to bottom threaded holes 442 of the middle part 4 .
  • Bolts 49 respectively extend through the top locking holes 32 and the bottom locking holes 52 , and are threadedly connected to the top threaded holes 441 and the bottom threaded holes 442 of the middle part 4 so s to connect the middle part 4 to the top part 3 and the bottom part 5 .
  • a sealing unit 98 is clamped between the top part 3 and the middle part 4 , and between the bottom part 5 and the middle part 4 .
  • FIG. 8 shows the fourth embodiment of the present invention is disclosed, wherein the second end of the top part 3 is force-fitted to the middle part 4 .
  • the bottom part 5 has a second threaded portion 51 formed on the first end thereof so as to be connected to the middle part 4 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Taps Or Cocks (AREA)
  • Drying Of Solid Materials (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Multiple-Way Valves (AREA)
  • Feeding And Controlling Fuel (AREA)
US15/481,503 2016-12-19 2017-04-07 Gas cut-off assembly for gas heater Abandoned US20180172281A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW105142038A TWI624625B (zh) 2016-12-19 2016-12-19 Heater dumping valve structure
TW105142038 2016-12-19

Publications (1)

Publication Number Publication Date
US20180172281A1 true US20180172281A1 (en) 2018-06-21

Family

ID=59328435

Family Applications (1)

Application Number Title Priority Date Filing Date
US15/481,503 Abandoned US20180172281A1 (en) 2016-12-19 2017-04-07 Gas cut-off assembly for gas heater

Country Status (3)

Country Link
US (1) US20180172281A1 (zh)
CN (2) CN206875562U (zh)
TW (1) TWI624625B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI624625B (zh) * 2016-12-19 2018-05-21 Chen jun nian Heater dumping valve structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2232279A (en) * 1938-03-16 1941-02-18 Nat Battery Co Vent plug for aircraft batteries
US3011503A (en) * 1960-05-18 1961-12-05 Ernest G Widham Venting device of spillproof type
US4299247A (en) * 1979-01-10 1981-11-10 Keller Russell D Fuel tank vent

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2133721Y (zh) * 1992-08-26 1993-05-19 关晋渝 家用燃气计量表防倾斜阀
CN2498511Y (zh) * 2001-08-16 2002-07-03 谢宗翰 暖炉供气装置
TWM242660U (en) * 2003-08-01 2004-09-01 Jiun-Hung Guo Warming device operated with liquid environmental fuel
US7509933B2 (en) * 2006-03-06 2009-03-31 Delphi Technologies, Inc. Valve lash adjuster having electro-hydraulic lost-motion capability
CN100449206C (zh) * 2006-07-06 2009-01-07 北京市燕山工业燃气设备有限公司 具有多种保护功能的燃气火炬
CN201289124Y (zh) * 2008-09-04 2009-08-12 魏耀明 瓦斯平衡安全开关
CN202002212U (zh) * 2011-04-01 2011-10-05 佛山市高明万和电气有限公司 多气源燃气取暖器
TWM449923U (zh) * 2012-10-22 2013-04-01 Hotery Product Corp 可攜式瓦斯暖爐
WO2014082054A1 (en) * 2012-11-26 2014-05-30 Schlumberger Canada Limited Stimulation and production completion system
CN104089059B (zh) * 2014-06-27 2017-01-04 宁波万安股份有限公司 倾斜控制阀
CN204611921U (zh) * 2015-03-23 2015-09-02 广东长青（集团）股份有限公司 一种新型的燃气取暖器
TWI624625B (zh) * 2016-12-19 2018-05-21 Chen jun nian Heater dumping valve structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2232279A (en) * 1938-03-16 1941-02-18 Nat Battery Co Vent plug for aircraft batteries
US3011503A (en) * 1960-05-18 1961-12-05 Ernest G Widham Venting device of spillproof type
US4299247A (en) * 1979-01-10 1981-11-10 Keller Russell D Fuel tank vent

Also Published As

Publication number Publication date
CN106969406A (zh) 2017-07-21
CN206875562U (zh) 2018-01-12
TWI624625B (zh) 2018-05-21
TW201823639A (zh) 2018-07-01

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