CN102113818A - Pressure and cover closing in-place detection device of electric pressure cooker - Google Patents

Pressure and cover closing in-place detection device of electric pressure cooker Download PDF

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Publication number
CN102113818A
CN102113818A CN 201010606421 CN201010606421A CN102113818A CN 102113818 A CN102113818 A CN 102113818A CN 201010606421 CN201010606421 CN 201010606421 CN 201010606421 A CN201010606421 A CN 201010606421A CN 102113818 A CN102113818 A CN 102113818A
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pressure
pot
hole
push rod
cooker
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CN 201010606421
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Chinese (zh)
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CN102113818B (en
Inventor
吴建新
陈瑞德
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Midea Group Co Ltd
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Midea Group
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Publication of CN102113818B publication Critical patent/CN102113818B/en
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Abstract

The invention relates to a pressure and cover closing in-place detection device of an electric pressure cooker, which comprises an outer cooker and a cooker cover buckled on the outer cooker, and is characterized by also comprising a pressure regulator which is fixed below the edge of the outer cooker and is provided with a through hole structure, a switch is fixed on the outer cooker and corresponds to the lower part of the pressure regulator, a push rod is arranged on the pressure regulator, the push rod vertically and movably penetrates through the through hole of the pressure regulator and a cooker edge through hole arranged on the edge of the outer cooker, one end of the push rod is contacted with the switch, the other end of the push rod protrudes out of the cooker edge of the outer cooker, a guide groove is arranged on the cooker cover, and when the cooker cover is closed in place, the. The invention has the characteristics of low cost and multifunctional safety protection, and can be suitable for pressure control and cover opening and closing safety protection of the electric pressure cooker.

Description

A kind of electric pressure cooking saucepan pressure covers level detecting apparatus with closing
Technical field
The present invention relates to the electric pressure cooking saucepan field, especially a kind of pressure detecting of electric pressure cooking saucepan is covered level detecting apparatus with closing.
Background technology
Electric pressure cooking saucepan is common in the market is that pot bottom is realized pot inner pressure control with the displacement that pressure switch or displacement transducer detect electric heat-generating disc outside; Between pot cover and shell, realize closing the lid detection that puts in place with microswitch or magnetic red pipe.As Chinese patent 200320116811.5, name is called " pressure control device of electric pressure cooking saucepan ", discloses a kind of pressure control device of electric pressure cooking saucepan, and setting pressure support on outer pot is equipped with the adjustment screw rod on the pressure arm, setting pressure switch on heat-generating disc.Under pressure state, to bottom offset, drive pressure switch by heat-generating disc to bottom offset, accurately control by adjusting screw rod realization pressure.If but the consumer is in when operation, pot cover does not close lid and puts in place, and pressure switch occurs when unusual, and still there is potential safety hazard in electric pressure cooking saucepan.Therefore, the descendant has designed and has closed lid safety guard not in place, and as Chinese patent 200420043416.3, name is called " auto-electronic pressure cooker " and discloses a kind of electric pressure cooking saucepan and close and cover level detecting apparatus.Be provided with the switch open device on pot cover, the switch open device place of corresponding pot cover is provided with switch on the pot body, and switch is connected in control circuit, has only pot cover to be incorporated into the position like this and could connect power supply, guarantees the fastening intensity of pot cover, stops potential safety hazard.More than two kinds of schemes combine and just can stop the potential safety hazard of electric pressure cooking saucepan, therefore also cause the cost height of existing electric pressure cooking saucepan, complex process.
Summary of the invention
The objective of the invention is provides a kind of low cost, high accuracy, the simple electric pressure cooking saucepan pressure of technology and closes and cover level detecting apparatus, to guarantee the safe in utilization of electric pressure cooking saucepan for overcoming the deficiency of existing electric pressure cooking saucepan.
The technical scheme that realizes the object of the invention is:
A kind of pressure of electric pressure cooking saucepan covers checkout gear with closing, comprise outer pot, be fastened on the pot cover on the outer pot, it is characterized in that also comprising the pressure regulator that is fixed on below, outer pot pot edge with through-hole structure, the below of corresponding pressure adjuster is fixed with switch on the outer pot, pressure regulator is provided with push rod, set pot edge through hole on the through hole of pressure regulator and the outer pot pot edge is passed in the vertical activity of push rod, push rod one end contacts with switch, the other end protrudes on the pot edge of outer pot, pot cover is provided with guide groove, closes lid when putting in place at pot cover, and guide groove is in push rod and protrudes directly over an end of outer pot pot edge.
Reset for ease of described push rod, on push rod, be equipped with back-moving spring.
Above-mentioned pressure regulator is made of housing, spring, ejector pin and threaded rod, has through hole on the housing, and the two ends of this through hole have the step that extends internally; Ejector pin is installed in the through hole, and the step of step on the ejector pin and through hole one end is spacing, and an end of ejector pin passes through hole and contacts with switch; One end of spring is socketed on the ejector pin, and the other end is socketed on the step of housing through hole.
Have helicitic texture on the hole wall of the housing perforation nose end of above-mentioned spring socket, have threaded rod to be spirally connected with it.
The threaded rod upper end that is spirally connected on the above-mentioned pressure regulator is positioned at the outside of outer pot pot edge.
The beneficial effect that the present invention brings:
1, when pot cover do not close that lid puts in place or cooking process in pot cover displacement, the guide groove on the pot cover be not in push rod directly over, pot cover can be pushed down push rod makes switch be in off-state, control system is cut off the electricity supply automatically.Have only when pot cover and close lid when putting in place, the pot cover upper rail be in push rod directly over, push rod is not subjected to the pressure of pot cover, push rod automatically resets under the effect of spring force, switch is in on-state, control system is connected power supply automatically.Electric pressure cooking saucepan just can be started working, and has guaranteed that electric pressure cooking saucepan does not exist pot cover not close not in place or displacement and the accident that takes place in the course of the work, guarantees safe in utilization.
2, at the top of outer pot setting pressure adjuster, electric pressure cooking saucepan in working order, interior pot pressurized promotes outer pot to bottom offset to bottom offset, pressure regulator is fastened on the outer pot, together to bottom offset, the touch switch of pressure regulator is cut off the electricity supply.When pot inner pressure descended, outer pot automatically reset, and the switch connection power supply is realized pressure control.
3, pressure regulator and threaded rod are spirally connected, by threaded rod roof pressure ejector pin compression spring, with the contact dynamics of control ejector pin with switch, to reach the size of pot inner pressure in the control.And pressure regulator is arranged on exterior upper, and the upper end of screw rod is positioned at the outside of outer pot pot edge, therefore can be easily upper-lower position by adjusting screw(rod), the pressure of electric pressure cooking saucepan is adjusted in the rated value place, help enhancing productivity.
Description of drawings
Fig. 1 is a partial structurtes schematic diagram of the present invention;
Fig. 2 is a partial sectional view of the present invention.
The specific embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
The present invention comprises pot body 1 as shown in Figure 1 and Figure 2, is placed on the outer pot 2 in pot body 1, also comprises the pressure regulator 4 that is fixed on outer pot 2 tops, has through hole 46 on the pressure regulator 4; The below of corresponding pressure adjuster 4 is fixed with switch 5 on the outer pot 2, and push rod 6 vertically passes the through hole 21 on the through hole 46, back-moving spring 7, outer pot 2 pot edges of pressure regulator 4, and an end of push rod 6 contacts with switch 5, and the other end protrudes on the pot edge of outer pot 2.Push rod 6 can move up and down in through hole 46, through hole 21.Have guide groove 31 on the pot cover 3, pot cover 3 can be oppressed push rod 6 and make switch 5 be in off-state in being closed the process of lid, when pot cover 3 closes lid when putting in place, push rod 6 be in pot cover guide groove 31 under, push rod 6 is subjected to reset under the effect of spring 7 power, trip switch 5, switch 5 is in on-state.
Pressure regulator 4 is by housing 41, and spring 42, ejector pin 43 and threaded rod 44 constitute, and have through hole 45 on the housing 41, and the two ends of through hole 45 have the step that extends internally.Ejector pin 43 is installed in the through hole 45, and the step of step on the ejector pin 43 and through hole 45 1 ends is spacing, and an end of ejector pin 43 passes through hole 45 and contacts with switch 5.One end of spring 42 is socketed on the ejector pin 43, and the other end is socketed on the step at housing 41 through holes 45 places.Have helicitic texture on the hole wall of housing through hole 45 ends of above-mentioned spring 42 sockets, threaded rod 44 is spirally connected with it; The upper end of threaded rod 44 is positioned at the outside of outer pot 2 pot edges.
When the present invention works, close lid when pot cover 3 but do not close lid when putting in place, pot cover 3 is pushed down push rod 6 and then is pushed down switch 5 and makes it be in off-state, cuts off the electricity supply, and electric pressure cooking saucepan can not be worked.After pot cover 3 closes lid and puts in place, push rod 6 be in pot cover guide groove 31 under, push rod 6 is subjected to reset under the effect of spring 7 power, trip switch 5, switch 5 is in on-state, electric pressure cooking saucepan can operate as normal; After producing steam pressure in the interior pot 8, interior pot 8 to bottom offset, steam pressure acts on outer pot 2 pot edges in the pot, on the outer pot 2 that pressure regulator 4 installs and fixes, with outer pot 2 to bottom offset, after pot inner pressure reaches setting value, pressure regulator 4 to bottom offset just touch switch 5 cut off the electricity supply, realize pressure control; When pot inner pressure descended, outer pot 2 automatically reset, and switch 5 resets and connects power supply automatically. realize the intelligent pressure control of electric pressure cooking saucepan.
Pressure regulator 4 possesses the function of the size of setting pot inner pressure, by regulating the upper-lower position of threaded rod, changes the amount of the push rod 6 compression springs of pressure regulator 4, thus the dynamics that contacts of control push rod 6 and switch 5, the control of realization pot inner pressure size.
The above only is preferred embodiment of the present invention, is not that structure of the present invention is done any type of restriction.Every foundation technical spirit of the present invention is to the above any simple modification done of example of executing, and equivalent variations and modification all fall within the scope of protection of the present invention.

Claims (5)

1. the pressure of an electric pressure cooking saucepan covers checkout gear with closing, comprise outer pot (2), be fastened on the pot cover (3) on the outer pot (2), it is characterized in that, also comprise the pressure regulator (4) that is fixed on below, outer pot (2) pot edge with through hole (46) structure, the below that outer pot (2) is gone up corresponding pressure adjuster (4) is fixed with switch (5), pressure regulator (4) is provided with push rod (6), push rod (6) vertically activity passes set pot edge through hole (21) on the through hole (46) of pressure regulator (4) and outer pot (2) pot edge, push rod (6) one ends contact with switch (5), the other end protrudes on the pot edge of outer pot (2), pot cover (3) is provided with guide groove (31), close lid when putting in place at pot cover (3), guide groove (31) is in push rod (6) and protrudes directly over an end of outer pot (2) pot edge.
2. the pressure of electric pressure cooking saucepan according to claim 1 covers checkout gear with closing, and it is characterized in that being equipped with on described push rod (6) back-moving spring (7).
3. the pressure of electric pressure cooking saucepan according to claim 1 and 2 covers checkout gear with closing, it is characterized in that above-mentioned pressure regulator (4) is made of housing (41), spring (42), ejector pin (43) and threaded rod (44), have through hole (45) on the housing (41), the two ends of this through hole (45) have the step that extends internally; Ejector pin (43) is installed in the through hole (45), and the step of step on the ejector pin (43) and through hole (45) one ends is spacing, and an end of ejector pin (43) passes through hole (45) back and contacts with switch (5); One end of spring (42) is socketed on the ejector pin (43), and the other end is socketed on the step of housing through hole (45).
4. the pressure of electric pressure cooking saucepan according to claim 3 covers checkout gear with closing, and it is characterized in that having helicitic texture on the hole wall of housing through hole (45) end of described spring (42) socket, and threaded rod (44) is spirally connected with it.
5. the pressure of electric pressure cooking saucepan according to claim 4 covers checkout gear with closing, and it is characterized in that threaded rod (44) upper end that is spirally connected on the described pressure regulator (4) is positioned at the outside of outer pot (2) pot edge.
CN 201010606421 2010-12-27 2010-12-27 Pressure and cover closing in-place detection device of electric pressure cooker Active CN102113818B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010606421 CN102113818B (en) 2010-12-27 2010-12-27 Pressure and cover closing in-place detection device of electric pressure cooker

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Application Number Priority Date Filing Date Title
CN 201010606421 CN102113818B (en) 2010-12-27 2010-12-27 Pressure and cover closing in-place detection device of electric pressure cooker

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CN102113818A true CN102113818A (en) 2011-07-06
CN102113818B CN102113818B (en) 2012-12-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106419520A (en) * 2016-09-29 2017-02-22 珠海格力电器股份有限公司 Cover closing detection device and electric pressure cooker with same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2605799Y (en) * 2003-04-02 2004-03-10 刘子圣 Automatic control device for pressure safety of pressure electric cooker
CN201019514Y (en) * 2007-04-13 2008-02-13 黄英强 Pressure automatic control device for electric pressure cooker
CN201641577U (en) * 2009-12-22 2010-11-24 东莞市步步高家用电器有限公司 Electric pressure cooker and safety cover-closing device thereof
CN202036044U (en) * 2010-12-27 2011-11-16 美的集团有限公司 Pressure and cover closing in-place detection device of electric pressure cooker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2605799Y (en) * 2003-04-02 2004-03-10 刘子圣 Automatic control device for pressure safety of pressure electric cooker
CN201019514Y (en) * 2007-04-13 2008-02-13 黄英强 Pressure automatic control device for electric pressure cooker
CN201641577U (en) * 2009-12-22 2010-11-24 东莞市步步高家用电器有限公司 Electric pressure cooker and safety cover-closing device thereof
CN202036044U (en) * 2010-12-27 2011-11-16 美的集团有限公司 Pressure and cover closing in-place detection device of electric pressure cooker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106419520A (en) * 2016-09-29 2017-02-22 珠海格力电器股份有限公司 Cover closing detection device and electric pressure cooker with same
CN106419520B (en) * 2016-09-29 2018-12-07 珠海格力电器股份有限公司 Cover closing detection device and electric pressure cooker with same

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Publication number Publication date
CN102113818B (en) 2012-12-19

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Owner name: MIDEA GROUP CO., LTD.

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Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28

Patentee after: MIDEA GROUP Co.,Ltd.

Address before: 528311 beautiful road, Beijiao Town, Shunde District, Guangdong, Foshan

Patentee before: Midea Group