CN202855631U - Combined type pressure switch, and electric pressure cooker - Google Patents

Combined type pressure switch, and electric pressure cooker Download PDF

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Publication number
CN202855631U
CN202855631U CN 201220575535 CN201220575535U CN202855631U CN 202855631 U CN202855631 U CN 202855631U CN 201220575535 CN201220575535 CN 201220575535 CN 201220575535 U CN201220575535 U CN 201220575535U CN 202855631 U CN202855631 U CN 202855631U
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CN
China
Prior art keywords
pressure
shell fragment
transmission
post
switch
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.)
Expired - Lifetime
Application number
CN 201220575535
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Chinese (zh)
Inventor
凌土贵
麦焕
王靖翔
张秋俊
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.)
Gree Zhongshan Small Home Appliances Co Ltd
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Zhongshan Small Home Appliances Co Ltd
Gree Electric Appliances Inc of Zhuhai
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 Gree Zhongshan Small Home Appliances Co Ltd, Gree Electric Appliances Inc of Zhuhai filed Critical Gree Zhongshan Small Home Appliances Co Ltd
Priority to CN 201220575535 priority Critical patent/CN202855631U/en
Application granted granted Critical
Publication of CN202855631U publication Critical patent/CN202855631U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a combined type pressure switch, and an electric pressure cooker. The combined type pressure switch comprises a switch base, a touch elastic sheet, a first pressure switch, a second pressure switch and a pressing plate. The first pressure switch comprises a first transmission elastic sheet, a first pressure transmission column which is arranged between the touch elastic sheet and the first transmission elastic sheet, and a first pressure regulation mechanism which is arranged on the touch elastic sheet, wherein one end of the first pressure transmission column is in contact with the first transmission elastic sheet, and the other end of the pressure transmission column is in contact with the touch elastic sheet. The second pressure switch comprises a second transmission elastic sheet, a second pressure transmission column, and a second pressure regulation mechanism which is arranged on the pressing plate. The second pressure transmission column is arranged between the second transmission elastic sheet and the first transmission elastic sheet or between the second transmission elastic sheet and the touch elastic sheet. One end of the second pressure transmission column is in contact with the second transmission elastic sheet, and the other end of the second pressure transmission column is in contact with the first transmission elastic sheet or the touch elastic sheet. The pressure transmitting mechanism of the utility model is simple, the advantage of direct transmission can be realized, and the operation of the electric pressure cooker can be controlled accurately according to the variation of the pressure.

Description

A kind of combined pressure switch and electric pressure cooker
Technical field
The utility model belongs to the pressure cooking appliance technical field, relates in particular to the combined pressure switch that uses on a kind of electric pressure cooker and uses the electric pressure cooker of this pressure switch.
Background technology
Two sections of at present electric pressure cooker realizations or multistage pressure come the control mode of cooking food to mainly contain two kinds, and a kind of is Temperature Control Type.Temperature Control Type is to survey kettle temperature by temperature-sensing probe, judges whether to continue heating or outage stopped heating according to kettle temperature, thereby the control that realizes two sections or multistage pressure comes cooking food, and is accurate not enough but Temperature Control Type exists pressure control.
Another kind of mode is pressure-controlled, and pressure-controlled is the control that realizes two sections of electric pressure cookers and multistage pressure according to the variation of pot inner pressure by pressure switch.Past is in order to realize two sections or the control of multistage pressure, a plurality of pressure switches need to be installed in electric pressure cooker, controlled the work of electric pressure cooker different pressures section by different pressure switches, but this mode need to be installed a plurality of switches, part is various, complex procedures is produced the assembling trouble, and can't be reduced production costs.
In order to solve foregoing problems, the patent No. is 200920240616.0, denomination of invention is that the Chinese utility model patent of a kind of electric pressure cooker and combined pressure switch thereof has proposed a kind of combined pressure switch, this combination pressure switch is installed in the bottom of electric pressure cooker outer pot by mounting bracket, combination pressure switch comprises switch and lower switch, between upper switch actuating shell fragment and lower switch actuating shell fragment, touch pole is set, touch pole contacts with the shift transmission part of electric pressure cooker, when pot inner pressure changes, should be changed by touch pole to pass to upper switch or lower switch by shift transmission part, the force value that upper switch is corresponding different with lower switch and according to the order action of setting.Although this packet type switch is structurally simplified than two or more pressure switches are set, but still exists parts more, manufacturing cost is higher, the problem that manufacturing process is complicated.
The patent No. is 201120030566.0, denomination of invention is that a kind of combined pressure switch and the Chinese utility model patent of using the electric pressure cooker of this switch disclose another kind of combined pressure switch, and this combined pressure switch comprises switch base, be arranged on two or more pressure control switch on this switch base same level height and at least one touches the shake-up shell fragment of pressure switch action.Each pressure control switch of this combined pressure switch is arranged on the same level height, acts on the corresponding pressure reed and realizes different force value by forming the different arm of forces.Because this packet type switch is to adopt the arm of force of different length to come opening/breaking of control switch, exist transmission not directly and accurate not problem.
The utility model content
The purpose of this utility model provides the simple directly combined pressure switch of a kind of rational in infrastructure, transmission and uses the electric pressure cooker of this combined pressure switch.
To achieve these goals, the utility model is taked following technical solution:
A kind of combined pressure switch comprises switch base and is set in turn in shake-up shell fragment, the first pressure switch, the second pressure switch and pressing plate on the switch base; This first pressure switch comprises the first transmission shell fragment, be arranged at and touch shell fragment and take off post with the first pressure between the first transmission shell fragment and be arranged at the first pressure regulating mechanism on the shake-up shell fragment, and the end that the first pressure takes off post contacts with the first transmission shell fragment, the other end contacts with the shake-up shell fragment; This second pressure switch comprises that the second transmission shell fragment, the second pressure take off post and is arranged at the second pressure regulating mechanism on the pressing plate, the second pressure takes off post and is arranged between the second transmission shell fragment and the first transmission shell fragment or is arranged at the second transmission shell fragment and touches between the shell fragment, and the end that the second pressure takes off post contacts with the second transmission shell fragment, the other end contacts with the first transmission shell fragment or shake-up shell fragment.
Electric pressure cooker comprises pot cover, interior pot, outer pot, electric hot tray and shift transmission part, and it is characterized in that: described combined pressure switch is fixedly installed on described outer pot bottom, and described the first pressure regulating mechanism contacts with described shift transmission part.
The first pressure regulating mechanism of the present utility model comprises the first pressure adjusting nut and the first pressure adjustment screw that is arranged on the described shake-up shell fragment.
The first pressure adjusting nut of the present utility model is arranged at upper surface or the lower surface of described shake-up shell fragment.
The second pressure regulating mechanism of the present utility model comprises the second pressure adjusting nut and the second pressure adjustment screw that is arranged on the described pressing plate, described the second pressure adjustment screw end contacts with described the second transmission shell fragment, and described the second pressure adjustment screw end is the insulation end.
The second pressure of the present utility model takes off post and is arranged between described the second transmission shell fragment and the shake-up shell fragment, the end that described the second pressure takes off post contacts with described shake-up shell fragment, the other end contacts with described the second transmission shell fragment, and described the first pressure axis that takes off post with the second pressure that takes off post is parallel.
The second pressure of the present utility model takes off post and is arranged between described the second transmission shell fragment and the first transmission shell fragment, the end that described the second pressure takes off post contacts with described the first transmission shell fragment, the other end contacts with described the second transmission shell fragment, the dead in line that the first pressure takes off post and the second pressure takes off post.
The first pressure of the present utility model takes off post and the second pressure takes off post is the integral type structure.
Pressing plate in the middle of the utility model is provided with between described the first transmission shell fragment and described the second transmission shell fragment is provided with and the contacted touch head of described the first transmission shell fragment on the described middle pressing plate.
The top of the first pressure adjustment screw of the present utility model contacts with described shift transmission part.
By above technical scheme as can be known, combined pressure switch of the present utility model adopts one to touch shell fragment, this shake-up shell fragment takes off post by pressure and directly links to each other with the second transmission shell fragment with the first transmission shell fragment, the displacement that will be caused by the variation of electric pressure cooker pot inner pressure is taken off post by pressure and is directly passed to the transmission shell fragment, make the transmission shell fragment make corresponding actions according to the variation of pressure, pressure transferred structure is simple, transmission is direct, can be more accurately change the work of control electric pressure cooker according to pressure, and be provided with the preset pressure that pressure regulating mechanism is independently regulated respectively the different pressures switch.Compared with prior art, the utility model also has low cost, the simple advantage of production technology.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 2;
Fig. 3 is the structural representation of the utility model embodiment 3;
Fig. 4 is the structural representation of the utility model embodiment 4;
Fig. 5 is the structural representation of the utility model embodiment 5.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in more detail.
Embodiment
Embodiment 1
As shown in Figure 1, the combined pressure switch of present embodiment comprises switch base 1, touches shell fragment 2, pressing plate 3, the first pressure switch and the second pressure switch.Wherein, the first pressure switch comprises the first male blade 4-1, the first switch contact 4-2, the first transmission shell fragment 4-3, the first pressure take off post 4-4, the first pressure adjusting nut 4-5 and the first pressure adjustment screw 4-6, and the second pressure switch comprises the second male blade 5-1, second switch contact 5-2, the second transmission shell fragment 5-3, the second pressure take off post 5-4, the second pressure adjusting nut 5-5 and the second pressure adjustment screw 5-6.
Packet type switch of the present utility model is installed in the bottom of the outer pot of electric pressure cooker by switch bracket, and switch base 1 fixes (not shown) by threaded fastener and switch bracket.Touching shell fragment 2, pressing plate 3, the first pressure switch and the second pressure switch is installed on the switch base 1.Shake-up shell fragment 2 is fixed on the upper end of switch base 1, the first pressure adjusting nut 4-5 riveted joint is installed in and touches on the shell fragment 2, the first pressure adjustment screw 4-6 links to each other with the first pressure adjusting nut 4-5 by screw thread, and the first pressure adjusting nut 4-5 and the first pressure adjustment screw 4-6 form the first pressure regulating mechanism.The first pressure adjustment screw 4-6 is simultaneously as the transmission contact, and its top contacts with the shift transmission part of electric pressure cooker, and the displacement driving member of electric pressure cooker produces interlock with the variation of electric pressure cooker pot inner pressure.The first transmission shell fragment 4-3 is installed on and touches shell fragment 2 belows.Be provided with the first pressure 4-4 that takes off post between shell fragment 2 and the first transmission shell fragment 4-3 touching, the first pressure of present embodiment 4-4 that takes off post is arranged at the free end of the first transmission shell fragment 4-3, and the first pressure takes off post, and the end of 4-4 contacts with the first transmission shell fragment 4-3, the other end contacts with shake-up shell fragment 2.Below the first transmission shell fragment 4-3, be provided with the second transmission shell fragment 5-3, be provided with the middle pressing plate 6 that is installed on the switch base 1 between the first transmission shell fragment 4-3 and the second transmission shell fragment 5-3, the touch head (not label) in the middle of being installed on the pressing plate 6 contacts with the first transmission shell fragment 4-3.Between the second transmission shell fragment 5-3 and the first transmission shell fragment 4-3, be provided with the second pressure 5-4 that takes off post, the second pressure 5-4 that takes off post is arranged at the free end of the second transmission shell fragment 5-3, the second pressure takes off post, and the end of 5-4 contacts with the first transmission shell fragment 4-3, the other end contacts with the second transmission shell fragment 5-3, and the take off post dead in line of 5-4 of 4-4 and the second pressure that takes off post of the first pressure.In the bottom of switch base 1 pressing plate 3 is installed, riveted joint is equipped with the second pressure adjusting nut 5-5 on the pressing plate 3, the second pressure adjusting nut 5-5 of present embodiment is arranged at the lower surface of pressing plate 3, the second pressure adjustment screw 5-6 links to each other with the second pressure adjusting nut 5-5 by screw thread, the second pressure adjustment screw 5-6 top has been the pottery of the insulating effect 5-7 that takes off post, and the second pressure adjustment screw 5-6 contacts with the second transmission shell fragment 5-3 by the pottery 5-7 that takes off post.In addition, the second pressure adjustment screw 5-6 end also can adopt other insulating material to replace pottery to take off post.The second pressure adjusting nut 5-5 and the second pressure adjustment screw 5-6 form the second pressure regulating mechanism.The first male blade 4-1 and the second male blade 5-1 link to each other with power supply by wire.
The course of work of the present utility model is as follows:
At first the force value of setting pressure switch is set as low tension switch with the first pressure switch, and the second pressure switch is set as high-voltage switch gear.The size of regulating the first pressure switch opening pressure by the first pressure adjustment screw 4-6, make the operating pressure value of the first pressure switch identical with low voltage value, the size of regulating the second pressure switch opening pressure by the second pressure adjustment screw 5-6, make the operating pressure value of the second pressure switch identical with high-voltage value, the first pressure switch and the second pressure switch are according to the order action of the pressure of setting, to realize the control of two kinds of culinary arts of high and low pressure pressure.
As select low pressure when culinary art, by the first pressure switch work.The electric hot tray heating of starting resistor power pot, rising along with cooking temp, interior pot and the pressure between the pot cover of electric pressure cooker are increasing, pressure moves down shift transmission part, shift transmission part touches shell fragment 2 by transmission contact (the first pressure adjustment screw) to pressing down, touch behind shell fragment 2 pressurizeds displacement is passed to the first transmission shell fragment 4-3 by the first pressure 4-4 that takes off post, when the first transmission shell fragment 4-3 reaches certain deformational displacement, the first switch contact 4-2 is disconnected, thereby cut off the power supply of electric hot tray, make its stopped heating; Work as pressure drop, the shift transmission part of electric pressure cooker moves up when resetting, and shake-up shell fragment 2 is also followed and resetted, thereby discharge the first transmission shell fragment 4-3 it is also set back, make the first again conducting of switch contact 4-2, electric hot tray restarts heating, so repeatedly, until the culinary art end.
In like manner, when selecting the high pressure culinary art, by the second pressure switch work.When the electric pressure cooker pot inner pressure continues to increase, shift transmission part touches shell fragment 2 by transmission contact (the first pressure adjustment screw) to pressing down, the first pressure 4-4 that takes off post passes to the second transmission shell fragment 5-3 with displacement by the second pressure 5-4 that takes off post when the first transmission shell fragment 4-3 is pressed down, with the second transmission shell fragment 5-3 toward pressing down, when the second transmission shell fragment 5-3 reaches certain deformational displacement, second switch contact 5-2 is disconnected, thereby the electric hot tray power supply is cut off stopped heating; When pot inner pressure reduced, deformational displacement reduced, and the second transmission shell fragment 5-3 sets back gradually, again conducting of second switch contact 5-2, and electric hot tray restarts heating, so repeatedly, until culinary art finishes.
Embodiment 2
As shown in Figure 2, the first pressure adjusting nut 4-5 riveted joint of present embodiment is installed on the upper surface that touches shell fragment 2, the first pressure adjustment screw 4-6 links to each other with the first pressure adjusting nut 4-5 by screw thread, and the first pressure adjustment screw 4-6 contacts with the shift transmission part of electric pressure cooker.Other parts of present embodiment and the connecting relation of parts are identical with embodiment 1.
Embodiment 3
As shown in Figure 3, the first pressure of present embodiment takes off post and the second pressure employing integral structure that takes off post, the first pressure takes off post, and 4-4 ' passes the first transmission shell fragment 4-3 and its bottom is fixed on the second transmission shell fragment 5-3, the free end of the first transmission shell fragment 4-3 and the first pressure 4-4 ' that takes off post is affixed, and the first pressure 4-4 ' that takes off post can pass to displacement the first transmission shell fragment 4-3 and the second transmission shell fragment 5-3.Other parts of present embodiment and the connecting relation of parts are identical with embodiment 1.
In low pressure when culinary art,, the displacement driving member will touch shell fragment 2 to pressing down by the transmission contact, and the first pressure 4-4 ' that takes off post is moved down, thereby the first transmission shell fragment 4-3 is pressed down, when arriving certain pressure, the first switch contact 4-2 is disconnected, the electric hot tray stopped heating; When pressure diminished, the first transmission shell fragment 4-3 set back, and the first switch contact 4-2 recloses, and electric hot tray reheats.In like manner, when selecting the high pressure culinary art, touch shell fragment 2 and press down, the first pressure 4-4 ' that takes off post is moved down, the first pressure 4-4 ' that takes off post presses down the second transmission shell fragment 5-3, and when arriving predetermined pressure, second switch contact 5-2 disconnects, the electric hot tray stopped heating; When pressure diminished, the second transmission shell fragment 5-3 set back, and second switch contact 5-2 recloses, and electric hot tray reheats.
Embodiment 4
As shown in Figure 4, present embodiment and embodiment 3 different places are: the first pressure adjusting nut 4-5 riveted joint of present embodiment is installed on the upper surface that touches shell fragment 2, the first pressure adjustment screw 4-6 links to each other with the first pressure adjusting nut 4-5 by screw thread, and the first pressure adjustment screw 4-6 contacts with the shift transmission part of electric pressure cooker.
Embodiment 5
As shown in Figure 5, present embodiment and embodiment 1 different place is: the second pressure 5-4 that takes off post is arranged at and touches between shell fragment 2 and the second transmission shell fragment 5-3, the second pressure 5-4 that takes off post is positioned at the first pressure 4-4 side that takes off post, and the take off post axis of 4-4 of axis and the first pressure is parallel, touches shell fragment 2 and directly transmits displacement to the second transmission shell fragment 5-3 by the second pressure 5-4 that takes off post.
Two sections pressure controls to electric pressure cooker explain previous embodiment as an example of two groups of pressure switches example, when needs are realized the control of multistage pressure, only need to increase corresponding pressure switch group and get final product.
The first pressure switch of the present utility model and the second pressure switch share one and touch shell fragment 2, touch shell fragment 2 by directly taking off post to the first transmission shell fragment 4-3 and the second transmission shell fragment 5-3 transmission displacement with the pressure that the first transmission shell fragment 4-3 links to each other with the second transmission shell fragment 5-3, drive mechanism is simpler directly, can reduce part and operation, be conducive to reduce cost; And the first pressure switch and the second pressure switch are provided with independently pressure regulating mechanism separately, can regulate respectively the preset pressure of the first pressure switch and the second pressure switch, make pressure control more accurate.
Above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although with reference to above-described embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that, still can make amendment or be equal to replacement embodiment of the present utility model, and do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the scope of technical solutions of the utility model.

Claims (10)

1. combined pressure switch comprises switch base and is set in turn in shake-up shell fragment, the first pressure switch, the second pressure switch and pressing plate on the described switch base;
It is characterized in that:
Described the first pressure switch comprises the first transmission shell fragment, be arranged at the first pressure between described shake-up shell fragment and the first transmission shell fragment takes off post and is arranged at the first pressure regulating mechanism on the described shake-up shell fragment, and the end that described the first pressure takes off post contacts with described the first transmission shell fragment, the other end contacts with described shake-up shell fragment;
Described the second pressure switch comprises that the second transmission shell fragment, the second pressure take off post and is arranged at the second pressure regulating mechanism on the described pressing plate, described the second pressure takes off post and is arranged between described the second transmission shell fragment and the first transmission shell fragment or described the second transmission shell fragment and touching between the shell fragment, and the end that described the second pressure takes off post contacts with described the second transmission shell fragment, the other end contacts with described the first transmission shell fragment or shake-up shell fragment.
2. combined pressure switch as claimed in claim 1, it is characterized in that: described the first pressure regulating mechanism comprises the first pressure adjusting nut and the first pressure adjustment screw that is arranged on the described shake-up shell fragment.
3. combined pressure switch as claimed in claim 2, it is characterized in that: described the first pressure adjusting nut is arranged at upper surface or the lower surface of described shake-up shell fragment.
4. combined pressure switch as claimed in claim 1, it is characterized in that: described the second pressure regulating mechanism comprises the second pressure adjusting nut and the second pressure adjustment screw that is arranged on the described pressing plate, described the second pressure adjustment screw end contacts with described the second transmission shell fragment, and described the second pressure adjustment screw end is the insulation end.
5. combined pressure switch as claimed in claim 1, it is characterized in that: described the second pressure takes off post and is arranged between described the second transmission shell fragment and the shake-up shell fragment, the end that described the second pressure takes off post contacts with described shake-up shell fragment, the other end contacts with described the second transmission shell fragment, and described the first pressure axis that takes off post with the second pressure that takes off post is parallel.
6. combined pressure switch as claimed in claim 1, it is characterized in that: described the second pressure takes off post and is arranged between described the second transmission shell fragment and the first transmission shell fragment, the end that described the second pressure takes off post contacts with described the first transmission shell fragment, the other end contacts with described the second transmission shell fragment, the dead in line that described the first pressure takes off post and the second pressure takes off post.
7. combined pressure switch as claimed in claim 6 is characterized in that: described the first pressure takes off post and the second pressure takes off post is the integral type structure.
8. combined pressure switch as claimed in claim 1 is characterized in that: be provided with middle pressing plate between described the first transmission shell fragment and described the second transmission shell fragment, be provided with and the contacted touch head of described the first transmission shell fragment on the described middle pressing plate.
9. be provided with the electric pressure cooker such as each described combined pressure switch of claim 1 to 8, comprise pot cover, interior pot, outer pot, electric hot tray and shift transmission part, it is characterized in that: described combined pressure switch is fixedly installed on described outer pot bottom, and described the first pressure regulating mechanism contacts with described shift transmission part.
10. electric pressure cooker as claimed in claim 9, it is characterized in that: the top of described the first pressure adjustment screw contacts with described shift transmission part.
CN 201220575535 2012-11-02 2012-11-02 Combined type pressure switch, and electric pressure cooker Expired - Lifetime CN202855631U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220575535 CN202855631U (en) 2012-11-02 2012-11-02 Combined type pressure switch, and electric pressure cooker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220575535 CN202855631U (en) 2012-11-02 2012-11-02 Combined type pressure switch, and electric pressure cooker

Publications (1)

Publication Number Publication Date
CN202855631U true CN202855631U (en) 2013-04-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220575535 Expired - Lifetime CN202855631U (en) 2012-11-02 2012-11-02 Combined type pressure switch, and electric pressure cooker

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105595803A (en) * 2015-12-23 2016-05-25 珠海格力电器股份有限公司 Pressure cooker, pressure switch and pressure regulation method of pressure switch
CN109659192A (en) * 2019-01-31 2019-04-19 佛山市利安达电器有限公司 A kind of improvement structure of pressure stroke switch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105595803A (en) * 2015-12-23 2016-05-25 珠海格力电器股份有限公司 Pressure cooker, pressure switch and pressure regulation method of pressure switch
CN105595803B (en) * 2015-12-23 2019-04-26 珠海格力电器股份有限公司 The pressure regulating method of pressure cooker, pressure switch and pressure switch
CN109659192A (en) * 2019-01-31 2019-04-19 佛山市利安达电器有限公司 A kind of improvement structure of pressure stroke switch

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Granted publication date: 20130403