CN103960964B - For the pressure protective device of electric pressure cooking saucepan with have its electric pressure cooking saucepan - Google Patents
For the pressure protective device of electric pressure cooking saucepan with have its electric pressure cooking saucepan Download PDFInfo
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- CN103960964B CN103960964B CN201310032740.9A CN201310032740A CN103960964B CN 103960964 B CN103960964 B CN 103960964B CN 201310032740 A CN201310032740 A CN 201310032740A CN 103960964 B CN103960964 B CN 103960964B
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- 238000010411 cooking Methods 0.000 title claims abstract description 65
- 230000001681 protective effect Effects 0.000 title claims abstract description 56
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 239000012634 fragment Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 238000012512 characterization method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses the pressure protective device of a kind of electric pressure cooking saucepan and have its electric pressure cooking saucepan, electric pressure cooking saucepan includes outer pot and interior pot, and interior pot bottom is provided with heating member moving up and down, comprising: fixing seat；Power supply input component, described power supply input component is connected to the side of described fixing seat, the free end of described power supply input component extend the first power contact；Power-supply control unit, described power-supply control unit is connected on described fixing seat, described power-supply control unit is provided with second source contact, and described second source contact is normally closed with described first power contact to be coordinated and described second source contact disconnects with described first power contact when described fixing seat moves down；It is connected to the pressure protective device according to the present invention for the spring plate between the side of fixing seat and outer pot, can overvoltage power-off protection, it is to avoid overvoltage flip or quick-fried pot, reliability is high and simple in construction.
Description
Technical field
The present invention relates to living electric apparatus field, particularly relate to a kind of pressure protective device for electric pressure cooking saucepan and there is its electric pressure cooking saucepan.
Background technology
Current electric pressure cooking saucepan product mainly realizes the control to Voltage force pot inner pressure by pressure switch, when pressure switch lost efficacy or control circuit occurs abnormal, product will pressure release or flip, bring certain potential safety hazard to user.
Content of the invention
It is contemplated that at least solve one of technical problem present in prior art.To this end, it is an object of the present invention to propose that a kind of reliability is high and the pressure protective device of the electric pressure cooking saucepan of simple in construction.
Further object is that a kind of electric pressure cooking saucepan with described pressure protective device of proposition.
The pressure protective device of the electric pressure cooking saucepan of embodiment according to a first aspect of the present invention; described electric pressure cooking saucepan includes outer pot and interior pot; the bottom of described interior pot is provided with interior pot inner pressure heating member moving up and down; described pressure protective device includes: fixing seat; it is mobile with the movement with described heating member that described fixing seat is suitable to be located at the bottom of described heating member, and described fixing seat is provided with power supply input wires terminal, power supply output wiring terminal；Power supply input component, described power supply input component is connected to the side of described fixing seat, the free end of described power supply input component extend the first power contact；Power-supply control unit, described power-supply control unit is connected on described fixing seat and is connected with described power supply output wiring terminal, described power-supply control unit is provided with second source contact, and described second source contact is normally closed with described first power contact to be coordinated and described second source contact disconnects with described first power contact when described fixing seat moves down；Spring plate, one end of described spring plate is connected to the described side of described fixing seat and the other end is connected on described outer pot.
The pressure protective device for electric pressure cooking saucepan according to embodiments of the present invention; after pressure switch or the control circuit inefficacy of electric pressure cooking saucepan; when pressure in the interior pot of electric pressure cooking saucepan continues to rise to a certain degree; the heating member being located at interior pot bottom moves down and promotes fixing seat to move down; second source contact is disconnected with the first power contact, is namely disconnected the main circuit of product, thus serves the effect of overvoltage power-off protection; avoid overvoltage flip or quick-fried pot, reliability height and simple in construction.
In addition, according to the pressure protective device of the electric pressure cooking saucepan of the present invention also there is following additional technical feature:
Described power supply input component extends from the horizontal side of described fixing seat, and the lower surface of the free end from described power supply input component for described first power contact downwardly extends out.
Alternatively, described power supply input component is formed as sheet shaped piece.
It is additionally provided with Stress control lead-out terminal on described fixing seat; and extend upward the first pressure contact from the upper surface of the free end of described power supply input component; described pressure protective device farther includes: pressure control assembly; described pressure control assembly is connected on described fixing seat and is connected with described Stress control lead-out terminal; described pressure control assembly is provided with the second pressure contact; described second pressure contact is normally closed with described first pressure contact to be coordinated, and the second pressure contact described in when described fixing seat moves down disconnects with described first pressure contact.
Described pressure control assembly includes: the first contact chip, and described first contact chip extends from the described side of described fixing seat；Compressing tablet, described compressing tablet is connected on the free end of described first contact chip, and wherein said second pressure contact is formed at the bottom of described compressing tablet, and described compressing tablet has elastic so that described second pressure contact is often normally closed with described first pressure contact downwards coordinates.
Described pressure protective device farther includes: stopping means; described stopping means is located between described first contact chip and described spring plate, and described stopping means is configured to when described fixing seat moves down keep described second source contact to disconnect with described first power contact.
Described power-supply control unit includes: the second contact chip, and described second contact chip extends from the described side of described fixing seat；Shell fragment, one end of described shell fragment is connected to described fixing seat and the other end is connected to the bottom of described second contact chip；Extendible flake, described Extendible flake is connected to the top of described second contact chip, and wherein said second source contact is formed at the top of described Extendible flake.
Described stopping means includes: support column, and described support column is supported between described first contact chip and described spring plate；Limiting section, described limiting section is located on the opposite side contrary with described side of described supporting part, and the height of described limiting section less than the height of described support column so that described second contact chip is often only against the top of described limiting section, it is formed with stopper slot, so that the free end of the second contact chip described in when described fixing seat moves down falls in described stopper slot and positioning on the sidewall of described limiting section.
Described pressure protective device farther includes: fixture, and described fixture is located at the top of described fixing seat and extends to the described side of described fixing seat；First adjusting nut, described first adjusting nut is located on described fixture, and the bottom of described first adjusting nut only can be supported with described first contact chip.
A kind of electric pressure cooking saucepan of embodiment according to a second aspect of the present invention, comprising: outer pot；Interior pot, described interior pot is located at described outer pot inside and bottom is provided with the heating member that can move up and down with interior pot inner pressure；The pressure protective device of the electric pressure cooking saucepan described in embodiment according to a first aspect of the present invention, wherein said fixing seat is located at the bottom of described heating member, and the described other end of described spring plate is connected to described outer pot.
Electric pressure cooking saucepan according to the present invention; by arranging pressure protective device; and control the break-make between the pressure of pressure protective device and power supply by the change in displacement of heating member; thus when the pressure control device of electric pressure cooking saucepan lost efficacy; can automatically carry out overvoltage protection; avoid overvoltage flip or quick-fried pot, thus simple in construction and easy to control, improve the safety and reliability of use.
Specifically, described outer pot is provided with installation portion, and described spring plate is connected on described installation portion by the second adjusting nut.Thus, by the second adjusting nut, can regulate the displacement of spring plate when being installed to pressure protective device on electric pressure cooking saucepan, and then have adjusted the setting pressure of electric pressure cooking saucepan, when exceeding this setting pressure, pressure protective device automatically powers off.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Brief description
Above-mentioned and/or the additional aspect of the present invention and advantage from combine the description to embodiment for the accompanying drawings below will be apparent from easy to understand, wherein:
Fig. 1 is the schematic diagram of the pressure protective device of electric pressure cooking saucepan according to an embodiment of the invention, and wherein pressure protective device is positioned at normality state；
Fig. 2 is the top view of the pressure protective device shown in Fig. 1；
Fig. 3 is the schematic diagram of the pressure protective device shown in Fig. 1, and wherein pressure protective device is positioned at overvoltage protection state；
Fig. 4 is the schematic diagram of electric pressure cooking saucepan according to an embodiment of the invention.
Reference:
100th, pressure protective device；
1st, seat is fixed；
2a, power supply input wires terminal；2b, power supply output wiring terminal；2c Stress control lead-out terminal；
3rd, power supply input component；31st, the first pressure contact；32nd, the first power contact；
4th, pressure control assembly；41st, the first contact chip；42nd, compressing tablet；40th, the second pressure contact；
5th, power-supply control unit；51st, the second contact chip；52nd, shell fragment；53rd, second source contact；
6th, spring plate；
7th, stopping means；71st, support column；72nd, limiting section；721st, stopper slot；
8th, fixture；9th, the first adjusting nut；
200th, interior pot；210th, heating member；
300th, outer pot；310 installation portions；
400th, the second adjusting nut
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment describing below with reference to accompanying drawing is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it will be appreciated that, term " on ", D score, "front", "rear", "left", "right", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be for based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplify description, rather than instruction or hint indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more this feature.In describing the invention, unless otherwise stated, " multiple " are meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixing connect, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can include that the first and second features directly contact, it is also possible to include that the first and second features are not directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include that fisrt feature directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " include that fisrt feature directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is less than second feature.
Describing the pressure protective device 100 for electric pressure cooking saucepan according to embodiments of the present invention below with reference to Fig. 1-Fig. 4, electric pressure cooking saucepan includes outer pot 300 and interior pot 200, and the bottom of interior pot 200 is provided with pressure heating member moving up and down 210 in interior pot 200.This pressure protective device 100 is for the protection further to this electric pressure cooking saucepan when the original pressure switch of electric pressure cooking saucepan or control circuit occur abnormal.
The pressure protective device 100 for electric pressure cooking saucepan according to embodiments of the present invention, comprising: fixing seat the 1st, power supply input component the 3rd, power-supply control unit 5 and spring plate 6.
As depicted in figs. 1 and 2, fixing seat 1 to be suitable to be located at the movement with the movement with heating member 210 of the bottom of heating member 210, fixing seat 1 is provided with power supply input wires terminal 2a and power supply output wiring terminal 2b.Power supply input component 3 is connected to the side of fixing seat 1, and the free end of power supply input component 3 extends the first power contact 32.
Power-supply control unit 5 is connected on fixing seat 1 and is connected with the second terminal 2b, power-supply control unit 5 is provided with second source contact 50, and second source contact 50 is normally closed with the first power contact 32 to be coordinated and second source contact 50 disconnects with the first power contact 32 when fixing seat 1 moves down.One end of spring plate 6 is connected to the side of fixing seat 1 and the other end is connected on outer pot 300.
It by power supply input wires terminal 2a, power supply output wiring terminal 2b, has been connected in series to the pressure protective device 100 according to the present invention in the main circuit (not shown) of electric pressure cooking saucepan.Wherein the main circuit connecting structure of electric pressure cooking saucepan is known to those skilled in the art, does not repeats them here.
The pressure protective device 100 for electric pressure cooking saucepan according to embodiments of the present invention; after pressure switch or the control circuit inefficacy of electric pressure cooking saucepan; when pressure in the interior pot 200 of electric pressure cooking saucepan continues to rise to a certain degree; the heating member 210 being located at interior pot bottom moves down and promotes fixing seat 1 to move down; second source contact 50 is disconnected with the first power contact 32; it is namely disconnected the main circuit of product; thus serve the effect of overvoltage power-off protection; avoid overvoltage flip or quick-fried pot, reliability height and simple in construction.
According to one embodiment of present invention, as shown in figures 1 and 3, power supply input component 3 extends from the horizontal side (right side such as Fig. 1 and Fig. 3) of fixing seat 1, and the lower surface of the free end that the first power contact 32 is from power supply input component 3 downwardly extends out.Alternatively, power supply input component 3 is formed as sheet shaped piece, as shown in figures 1 and 3.
Further, fixing seat 1 is additionally provided with the Stress control lead-out terminal 2c connecting with main circuit, and extends upward the first pressure contact 31 from the upper surface of the free end of power supply input component 3.Meanwhile, pressure protective device 100 farther includes pressure control assembly 4.Pressure control assembly 4 is connected on fixing seat 1 and is connected with Stress control lead-out terminal 2c, pressure control assembly 4 is provided with the second pressure contact 40, second pressure contact 40 is normally closed with the first pressure contact 31 to be coordinated, and when fixing seat 1 moves down, the second pressure contact 40 and the first pressure contact 31 disconnect.Now, first pressure contact 31 and the first power contact 32 lay respectively at the two ends up and down of power supply input component 3, and now, the second pressure contact 40 and second source contact 50 also are located at the two ends up and down of power supply input component 3, it is to say, pressure control assembly 4 and power-supply control unit 5 are setting up and down.
Certainly, the present invention is not limited to this, and pressure control assembly 4 and power-supply control unit 5 can also be arranged left and right.In some embodiments of the invention, power supply input component 3 extends from the vertical side of fixing seat 1, not shown, the left side of the free end from power supply input component 3 for first pressure contact 31 is extended to the left, and the right side of the free end that the first power contact 32 is from power supply input component 3 is extended to the right.The principle when principle of pressure protective device when pressure control assembly 4 is arranged with power-supply control unit about 5 is setting up and down with pressure control assembly 4 and power-supply control unit 5 is similar; therefore; in the following description, it is all described as a example by pressure control assembly 4 and power-supply control unit 5 are setting up and down.
According to one embodiment of present invention, pressure control assembly 4 includes the first contact chip 41 and compressing tablet 42.As shown in figures 1 and 3, first contact chip 41 extends from the side (right side such as Fig. 1 and Fig. 3) of fixing seat 1, compressing tablet 42 is connected on the free end (right-hand member in such as Fig. 1 and Fig. 3) of the first contact chip 41, wherein the second pressure contact 40 is formed at the bottom of compressing tablet 42, and compressing tablet 42 has elasticity so that the second pressure contact 40 is often normally closed with the first pressure contact 31 downwards coordinates.
As shown in Figure 1-Figure 3; further; pressure protective device 100 according to embodiments of the present invention; including stopping means 7; stopping means 7 is located between the first contact chip 41 and spring plate 6, and stopping means 7 is configured to keep second source contact 50 to disconnect with the first power contact 32 when fixing seat 1 moves down.
Power-supply control unit 5 includes the second contact chip the 51st, shell fragment 52 and Extendible flake 53.As shown in figures 1 and 3, second contact chip 51 extends from the side (right side such as Fig. 1 and Fig. 3) of fixing seat 1, one end (left end in such as Fig. 1 and Fig. 3) of shell fragment 52 is connected to fixing seat 1 and the other end (right-hand member in such as Fig. 1 and Fig. 3) is connected to the bottom of the second contact chip 51, thus so that the second contact chip 51 is often downward, that is so that the free end of the second contact chip 51 is always to maintain trend down.Extendible flake 53 is connected to the top of the second contact chip 51, and wherein second source contact 50 is formed at the top of Extendible flake 53.
Specifically, as shown in figures 1 and 3, stopping means 7 includes support column 71 and limiting section 72.Support column 71 is supported between the first contact chip 41 and spring plate 6, limiting section 72 is located on the opposite side contrary with described side (left side in such as Fig. 1 and Fig. 3) of supporting part, and the height of limiting section 72 is less than the height of support column 71 so that the free end of the second contact chip 51 is often only against the top of limiting section 72, it is formed stopper slot 721 on the sidewall of limiting section 72, so that in when fixing seat 1 moves down, the free end of the second contact chip 51 falls into stopper slot 721 and positioning.That is, when electric pressure cooking saucepan is normality work, the free end of the second contact chip 51 is often only against the top of limiting section 72, as shown in Figure 1, and when the pressure in the interior pot 200 of electric pressure cooking saucepan raises, heating member 210 promotes fixing seat 1 to move downward, in the free end of the second contact chip 51 falls into stopper slot 721 and positioning, as it is shown on figure 3, thus keep second source contact 50 to disconnect with the first power contact 32.
Preferably, roof degree of depth h1 of stopper slot 721 is less than degree of depth h2 of its diapire, as it is shown in figure 1, the free end of the second contact chip 51 falls in stopper slot 721 without continuing to move downward when so can ensure that fixing seat 1 moves down.
Further embodiment according to the present invention; pressure protective device 100 also includes fixture 8 and the first adjusting nut 9; fixture 8 is located at the top of fixing seat 1 and extends to the side of fixing seat 1; first adjusting nut 9 is located on fixture 8, and the bottom of the first adjusting nut 9 only can be supported with the first contact chip 41.This first adjusting nut 9 for regulating the motion that pressure protective device 100 is also not mounted to the first contact chip 41 under the nature on electric pressure cooking saucepan, namely regulates disconnection and the Guan Bi of the second pressure contact 40 and the first pressure contact 31.
Below with reference to the course of work of Fig. 1 and Fig. 2 description pressure protective device 100 for electric pressure cooking saucepan according to embodiments of the present invention, this pressure protective device 100 is for because of work when certain reason Stress control or control circuit lost efficacy.
Pressure protective device 100 is arranged on the bottom of heating member 210, by the first adjusting nut 9, first regulates pressure.
When electric pressure cooking saucepan is normality work, the free end of the second contact chip 51 is often only against the top of limiting section 72, as shown in Figure 1.Now, the second pressure contact 40 is normally closed with the first pressure contact 31 coordinates, and second source contact 50 closes with the first power contact 32.
When the pressure in the interior pot 200 of electric pressure cooking saucepan raises; heating member 210 drives pressure protective device 100 entirety to move down; fixing seat 1 is driven to move down; now owing to one end (left end as in Fig. 1 with Fig. 3) of spring plate 6 is connected with fixing seat 1; therefore described one end of spring plate 6 moves down; and the other end of spring plate 6 (right-hand member as in Fig. 1 and Fig. 3) is connected on outer pot 300, thus, the stopping means 7 that band is automatically connected on spring plate 6 upwards moves.When the pressure in interior pot 200 reaches to set pressure, the second pressure contact 40 disconnects with the first pressure contact 31 so that electric pressure cooking saucepan first stops heating.If because certain reason Stress control lost efficacy, pressure in interior pot 200 continues to increase, and heating member 210 still constantly moves down, and the free end of the second contact chip 51 will slip on the limiting section 72 from stopping means 7, so that second source contact 50 separates with the first power contact 32, thus cut off power supply.And now, in the free end of the second contact chip 51 falls into stopper slot 721 and positioning, as it is shown on figure 3, thus maintain the disconnection of second source contact 50 and the first power contact 32.Thus, the overvoltage protection as the pressure increases to electric pressure cooking saucepan is completed.
When needs electric pressure cooking saucepan is reworked; need to pressure protective device 100 hand-reset; that is; return to that the second pressure contact 40 is normally closed with the first pressure contact 31 to be coordinated; and the state of second source contact 50 and the first power contact 32 Guan Bi, now the free end of the second contact chip 51 is often only against the top of limiting section 72.
A kind of electric pressure cooking saucepan of embodiment according to a second aspect of the present invention, comprising: the pressure protective device 100 of outer pot the 300th, interior pot 200 and the according to a first aspect of the present invention electric pressure cooking saucepan of embodiment.
Interior pot 200 is located at outer pot 300 inside and bottom is provided with the heating member 210 that can move up and down with pressure in interior pot 200, and fixing seat 1 is located at the bottom of heating member 210, and the other end of spring plate 6 is connected to outer pot 300.
Electric pressure cooking saucepan according to the present invention; by arranging pressure protective device 100; and control the break-make between the pressure of pressure protective device 100 and power supply by the change in displacement of heating member 210; thus when the pressure control device of electric pressure cooking saucepan lost efficacy; can automatically carry out overvoltage protection; avoid overvoltage flip or quick-fried pot, thus simple in construction and easy to control, improve the safety and reliability of use.
Specifically, outer pot 300 is provided with installation portion 310, and spring plate 6 is connected on installation portion 310 by the second adjusting nut 400.Thus, by the second adjusting nut 400, can regulate the displacement of spring plate 6 when being installed to pressure protective device 100 on electric pressure cooking saucepan, and then have adjusted the setting pressure of electric pressure cooking saucepan, when exceeding this setting pressure, pressure protective device 100 automatically powers off.
Other of electric pressure cooking saucepan according to embodiments of the present invention constitute such as base, outer pot and interior pot etc. and operation is all known for those of ordinary skills, are not detailed herein.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " specific example " or " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or feature are contained at least one embodiment or the example of the present invention.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.And, the specific features of description, structure, material or feature can combine in any one or more embodiment or example in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: can carry out multiple change, modification, replacement and modification to these embodiments in the case of without departing from the principle of the present invention and objective, the scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. the pressure protective device for electric pressure cooking saucepan, described electric pressure cooking saucepan includes outer pot and interior pot, the bottom of described interior pot
It is provided with interior pot inner pressure heating member moving up and down, it is characterised in that described pressure protective device includes:
Fixing seat, it is mobile with the movement with described heating member that described fixing seat is located at the bottom of described heating member, described fixing seat
It is provided with power supply input wires terminal and power supply output wiring terminal, described fixing seat is additionally provided with Stress control lead-out terminal；
Power supply input component, described power supply input component is connected to the side of described fixing seat, the free end of described power supply input component prolong
Stretch out the first power contact, and extend upward the first pressure contact from the upper surface of the free end of described power supply input component；
Power-supply control unit, described power-supply control unit is connected on described fixing seat and is connected with described power supply output wiring terminal,
Described power-supply control unit is provided with second source contact, described second source contact is normally closed with described first power contact to be coordinated,
And described fixing seat disconnects with described first power contact described second source contact when moving down；
Spring plate, one end of described spring plate is connected to the described side of described fixing seat and the other end is connected on described outer pot；
Pressure control assembly, described pressure control assembly is connected on described fixing seat and is connected with described Stress control lead-out terminal,
Described pressure control assembly is provided with the second pressure contact, and described second pressure contact is normally closed with described first pressure contact to be coordinated,
And described fixing seat the second pressure contact described in when moving down disconnects with described first pressure contact；
Wherein said pressure protective device is suitable to be connected to by described power supply input wires terminal and power supply output wiring terminal described
In the main circuit of electric pressure cooking saucepan.
2. the pressure protective device for electric pressure cooking saucepan according to claim 1, it is characterised in that described power supply input component
Extend from the horizontal side of described fixing seat, the lower end of the free end from described power supply input component for described first power contact towards
Under extend.
3. the pressure protective device for electric pressure cooking saucepan according to claim 2, it is characterised in that described power supply input component
Be formed as sheet shaped piece.
4. the pressure protective device for electric pressure cooking saucepan according to claim 1, it is characterised in that described Stress control group
Part includes:
First contact chip, described first contact chip extends from the described side of described fixing seat；
Compressing tablet, described compressing tablet is connected on the free end of described first contact chip, and wherein said second pressure contact is formed at described
The bottom of compressing tablet, described compressing tablet has elastic so that described second pressure contact is often normally closed with described first pressure contact downwards joins
Close.
5. the pressure protective device for electric pressure cooking saucepan according to claim 4, it is characterised in that farther include:
Stopping means, described stopping means is located between described first contact chip and described spring plate, and described stopping means is constructed
Described fixing seat is become when moving down, to keep described second source contact to disconnect with described first power contact.
6. the pressure protective device for electric pressure cooking saucepan according to claim 5, it is characterised in that described power supply control group
Part includes:
Second contact chip, described second contact chip extends from the described side of described fixing seat；
Shell fragment, one end of described shell fragment is connected to described fixing seat and the other end is connected to the bottom of described second contact chip；
Extendible flake, described Extendible flake is connected to the top of described second contact chip, and wherein said second source contact is formed at described
The top of Extendible flake.
7. the pressure protective device for electric pressure cooking saucepan according to claim 6, it is characterised in that described stopping means bag
Include:
Support column, described support column is supported between described first contact chip and described spring plate；
Limiting section, described limiting section is located on the opposite side contrary with described side of described support column, and the height of described limiting section
Degree is less than the height of described support column so that described second contact chip is often only against the top of described limiting section, the side of described limiting section
It is formed with stopper slot, so that the free end of the second contact chip falls in described stopper slot described in when described fixing seat moves down on wall
And positioning.
8. the pressure protective device for electric pressure cooking saucepan according to claim 4, it is characterised in that farther include:
Fixture, described fixture is located at the top of described fixing seat and extends to the described side of described fixing seat；
First adjusting nut, described first adjusting nut is located on described fixture, and the bottom of described first adjusting nut can be with
Described first contact chip only supports.
9. an electric pressure cooking saucepan, it is characterised in that include:
Outer pot；
Interior pot, described interior pot is located at described outer pot inside and bottom is provided with the heating member that can move up and down with interior pot inner pressure；
The pressure protective device for electric pressure cooking saucepan according to according to any one of claim 1-8, wherein said fixing seat is located at
The bottom of described heating member, and the described other end of described spring plate is connected to described outer pot.
10. electric pressure cooking saucepan according to claim 9, it is characterised in that described outer pot is provided with installation portion, described moves
Piece is connected on described installation portion by the second adjusting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310032740.9A CN103960964B (en) | 2013-01-28 | 2013-01-28 | For the pressure protective device of electric pressure cooking saucepan with have its electric pressure cooking saucepan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310032740.9A CN103960964B (en) | 2013-01-28 | 2013-01-28 | For the pressure protective device of electric pressure cooking saucepan with have its electric pressure cooking saucepan |
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| CN103960964A CN103960964A (en) | 2014-08-06 |
| CN103960964B true CN103960964B (en) | 2016-11-02 |
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| CN2899656Y (en) * | 2006-01-04 | 2007-05-16 | 李荣坤 | Automatic electric pressure cooker |
| CN201641587U (en) * | 2009-12-10 | 2010-11-24 | 中山市雅乐思电器实业有限公司 | An electric pressure cooker with improved pressure control |
| CN203122092U (en) * | 2013-01-28 | 2013-08-14 | 美的集团股份有限公司 | Pressure-protection device used for electric pressure cooker and electric pressure cooker with same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7718928B2 (en) * | 2006-12-15 | 2010-05-18 | Zhigang He | Multifunction and safe electric pressure cooker |
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2013
- 2013-01-28 CN CN201310032740.9A patent/CN103960964B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2077676U (en) * | 1990-06-01 | 1991-05-29 | 广东省五金家用电器研究所 | Automatic electric pressure cooker |
| CN2605798Y (en) * | 2003-03-12 | 2004-03-10 | 顺德市爱德实业有限公司 | Automatic electric pressurized pot |
| CN2899656Y (en) * | 2006-01-04 | 2007-05-16 | 李荣坤 | Automatic electric pressure cooker |
| CN201641587U (en) * | 2009-12-10 | 2010-11-24 | 中山市雅乐思电器实业有限公司 | An electric pressure cooker with improved pressure control |
| CN203122092U (en) * | 2013-01-28 | 2013-08-14 | 美的集团股份有限公司 | Pressure-protection device used for electric pressure cooker and electric pressure cooker with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103960964A (en) | 2014-08-06 |
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