CN203041850U - Stepless pressure regulation device of electric pressure cooker - Google Patents
Stepless pressure regulation device of electric pressure cooker Download PDFInfo
- Publication number
- CN203041850U CN203041850U CN 201320084493 CN201320084493U CN203041850U CN 203041850 U CN203041850 U CN 203041850U CN 201320084493 CN201320084493 CN 201320084493 CN 201320084493 U CN201320084493 U CN 201320084493U CN 203041850 U CN203041850 U CN 203041850U
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- pressure
- actuating arm
- switch
- cooking saucepan
- electric pressure
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Abstract
The utility model relates to the technical field of electric pressure cookers, and provides a stepless pressure regulation device of an electric pressure cooker. The stepless pressure regulation device comprises a middle housing, a heating coil and an elastic plate, wherein the elastic plate is supported against the bottom in the middle housing; the heating coil is supported against the elastic plate and is provided with a trigger member; a side face of the middle housing is provided with a supporting shaft; the supporting shaft is rotatablely connected with a driving arm; an elastic member is connected between the driving arm and the supporting shaft or between the driving arm and the middle housing; the driving arm is in threaded connection with a pre-adjustment screw; the pre-adjustment screw is abutted against the lower surface of the trigger member; the side face of the middle housing is also provided with a pressure switch; a contact point of the pressure switch is abutted against the driving arm; and the pressure switch is provided with a fine adjustment screw. According to the stepless pressure regulation device, the upper limit value of a set pressure value is defined through the pre-adjustment screw, and then stepless adjustment is performed below the upper limit value by turning the fine adjustment screw. The stepless pressure regulation device has the advantages of simple structure, easiness in operation and control, reliable performance and low cost and is suitable for the electric pressure cookers of various forms, and a breakthrough operable scheme is provided for stepless pressure regulation of the electric pressure cooker.
Description
Technical field
The utility model relates to the electric pressure cooking saucepan technical field, more specifically relates to a kind of regulator, especially relates to a kind of stepless voltage regulator of electric pressure cooking saucepan.
Background technology
The usual pressure pot, alleged pressure cooker in our daily life just, be by adding hot water and food under the state that in pot, seals, water is produced steam by boiled back, air pressure in the pot is raise, the boiling point of water also increased after pressure in the pot raise, thereby the temperature in the pot is improved greatly, to reach the purpose of rapid cooking food.
Along with science and technology development, adopt electric pressure cooking saucepan more energy-conservation, secured fashion to begin to appear in the market.From market manifestation, it has replaced traditional pressure cooker gradually.Electric pressure cooking saucepan is traditional pressure cooker and the upgrading products of optimizing integration of electric cooker, it has gathered the advantage of pressure cooker and electric cooker, use electric energy to heat under the state that in pot, seals, not only environmental protection but also convenient and swift, can satisfy many-sided culinary art needs, and passing through the automatic-cooking that the intelligence control circuit system realizes various modes, it is energy-conservation, quick, the characteristic of environmental protection is the direction that the modern pursues.
The main flow electric pressure cooking saucepan product that circulates on the present market, its operating pressure carry out circuit control by pressure switch lock pressure value mostly, do not possess the function of arbitrarily adjusting pressure switch operating pressure value under specified maximum working pressure value according to user's needs.
Along with the coverage of electric pressure cooking saucepan product on market is more and more wider, the user group is more and more, can be more and more high according to the cry that customer requirements is arbitrarily adjusted to the pressure switch operating pressure value of electric pressure cooking saucepan.For this reason, some manufacturer makes an issue of on pot cover, for example installs pressure cell additional or temperature-sensitive element replaces pressure switch at pot cover, then by set the operating pressure value in circuit control.
This pattern can arbitrarily be adjusted the operating pressure value according to user's needs, but also has several apparent shortcomings, as:
1. be only applicable to the computer-shape pot: after pressure cell or temperature-sensitive element detect parameter, handle through chip, could control operating mode for executing agency then, not be suitable for standard machinery pressure control formula or mechanical timer formula electric pressure cooking saucepan product.
2. detected parameter lags behind actual condition; Particularly at initial period, material to be cooked has heated up in the pot, but the temperature-sensitive element on the pot cover fails to reach the material temperature of cooking, and the bigger temperature difference is arranged.Pressure has produced, may not be reached to should the force value saturated vapor the temperature value (not clearing the virtual pressure that hot-air forms) that should reach.
3. complex structure, technology difficulty is big: allow pressure cell or temperature-sensitive element sampling more near actual condition at pot cover for reaching, need install in the pot cover perforate.The problem of for this reason bringing isolation pressure cell or temperature-sensitive element to contact with food, the pressure cell that the pot cover internal and external reasons has been installed or the sealing problem of temperature-sensitive element, data wire is connected to the line problem of control chip by the pressure cell on the pot cover or temperature-sensitive element, causes pot cover can not unpick and wash or the problem etc. of easy cleaning not because pressure cell or temperature-sensitive element have been installed.
4. cost is too high: the cost of pressure cell or temperature-sensitive element self is too high.Pressure cell particularly, its cost account for 15 ~ 20% of the whole pot of low and middle-grade electric pressure cooking saucepans material cost, if be installed in the low and middle-grade pots, can cause product cost to increase, thereby cause retail price too high, finally cause the uncontested advantage of price.So plant the strong directive property that implements of scheme, only be applicable to the product of the computer-shape of high-grade high price, can not satisfy the universal demand in market.
The utility model content
The utility model provides a kind of stepless voltage regulator of electric pressure cooking saucepan for overcoming above-mentioned at least a deficiency of the prior art.
The utility model is achieved through the following technical solutions above-mentioned purpose.
A kind of stepless voltage regulator of electric pressure cooking saucepan comprises middle cover, heat-generating disc, diving board, cover inner bottom part during wherein diving board is supported on, and heat-generating disc is supported on the diving board, and heat-generating disc is provided with the triggering part.Above-mentioned middle cover side is provided with fulcrum, is rotatably connected to actuating arm on the fulcrum, is connected with elastic component between actuating arm and fulcrum or actuating arm and the middle cover; The preset screw that has been threaded on the actuating arm, preset screw withstand on and trigger below the part; The side of middle cover also is provided with pressure switch, and the front contact of pressure switch withstands on the actuating arm, and pressure switch is provided with the fine setting screw rod.
Actuating arm can rotate around fulcrum in this programme, and the front contact that the rotation of actuating arm can drive pressure switch produces displacement.Elastic component has the elastic force effect all the time to actuating arm, and this just makes the fine setting screw rod on the actuating arm withstand on all the time below the triggering part, triggers part and is provided in a side of on the heat-generating disc, will drive the triggering part and move when heat-generating disc produces upper and lower displacement, also just drives actuating arm and rotates.
When accent is established, rotate the fine setting screw rod and make pressure switch be in the highest operating pressure, in pot, be forced into rated pressure then, rotate the preset screw again and make the pressure switch action, lock the preset screw at last.In any case rotate the fine setting screw rod like this when the user uses, the force value that sets all below the highest operating pressure, is guaranteed the security of using.And the fine setting screw rod the adjusting variable quantity be continuous, the force value that makes setting is continually varying value in the following certain limit of maximum pressure value, has also just reached the purpose of stepless voltage regulation.This scheme is thick spacious formula regulation scheme.
The rated current of pressure switch generally can reach 15 amperes, applicable to mechanical pressure control formula or mechanical timer formula electric pressure cooking saucepan, also applicable to the computer-shape electric pressure cooking saucepan.This programme does not change the operation principle of original pressure switch, equally can make promptly and accurately control action with original pressure switch.This programme is simple in structure, and the part that increases or change is processed easily, and parts such as preset screw can directly be selected existing standard component for use, easily buying.This programme is with low cost in addition, and for whole pot, the cost of increase almost can be ignored.
Because above-mentioned fine setting screw rod is being undertaken the effect that drives live part, therefore finely tune screw rod and adopt insulating materials, perhaps the front end at the fine setting screw rod arranges insulation shake-up head, and for example pottery touches head.
As concrete version, above-mentioned elastic component is the extension spring that is located between actuating arm and the middle cover, perhaps for being enclosed within the torsion spring on the fulcrum, to guarantee providing enough elastic force to drive actuating arm.
For the ease of assembling, fixedly there is the switch bearing side of above-mentioned middle cover, and above-mentioned pressure switch can directly be fixed on the switch bearing by screw; Above-mentioned elastic component is the extension spring that is located between actuating arm and the switch bearing, and perhaps for being enclosed within the torsion spring on the fulcrum, two toggles of torsion spring are stuck on actuating arm and the switch bearing.
As further improvement, above-mentioned triggering part is frizzen, and frizzen is connected with driving chip after passing diving board and middle cover, and the preset screw withstands on below the driving chip.
As further improvement, above-mentioned pressure switch is provided with the angular stop means of the restriction fine setting screw rod anglec of rotation, with the scope of restriction pressure adjustment.
As a kind of concrete version, above-mentioned angular stop means comprises the fixedly positive stop that is located on the pressure switch and is located at the rotary spacing baffle plate of finely tuning on the screw rod that fixedly positive stop is located on the rotary motion trace of rotary spacing baffle plate.This structural limitations the slewing area of fine setting screw rod, this scope generally is limited in the culinary art pressure limit commonly used, make culinary art pressure can be not excessive can be not too small yet, user-friendly.
Though above-mentioned thick spacious formula regulation scheme can satisfy instructions for use, when factory setting, need the careful the highest operating pressure of setting of regulating.For the highest operating pressure that more convenient careful adjusting is set, the pressure regulation rotation set that has been threaded on the above-mentioned pressure switch, above-mentioned fine setting screw flight is connected in the pressure regulation rotation set.
During the highest operating pressure that before dispatching from the factory, regulate to set, generally regulate according to the following steps:
A rotates the pressure regulation rotation set to the maximum pressure anchor point.
B is forced into rated pressure in pot, the preset screw on the rotational drive arm makes the pressure switch action, locks the preset screw then.
C, pot inner pressure emptying, pressurization checks whether voltage-controlled value is accurate again; If deviation is arranged, rotate the fine setting screw rod to rated pressure.After the adjustment, fine setting screw rod and pressure regulation rotation set can link by friction tight form, also can be by the interlock that links together of binding agent or jackscrew.
As further improvement, above-mentioned pressure switch is provided with fixedly positive stop, and the pressure regulation rotation set is provided with flange, and fixedly positive stop is located on the rotary motion trace of flange.
As further improvement, be connected with knob on the above-mentioned pressure regulation rotation set, rotate the fine setting screw rod to make things convenient for the user.
The utility model compared with prior art mainly has following beneficial effect: by the higher limit of preset screw coarse adjustment setup pressure value, and then by rotating the higher limit of fine setting screw rod fine tuning setup pressure value, be implemented in by rotation pressure regulation rotation set at last and do stepless adjustment below the higher limit.The utility model is simple in structure, controls easily, and dependable performance, with low cost, the electric pressure cooking saucepan of suitable various ways is for the electric pressure cooking saucepan stepless voltage regulation provides a breakthrough realistic plan.
Description of drawings
Fig. 1 is the cross-sectional view of embodiment 1.
Fig. 2 is the part section structural representation of embodiment 2.
Fig. 3 is the cross-sectional view of embodiment 3.
Fig. 4 is the enlarged diagram at pressure switch place among the embodiment 3.
Fig. 5 is the local structure for amplifying schematic diagram at M place among Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.Accompanying drawing only is used for exemplary illustration, can not be interpreted as the restriction to this patent.
For more succinct explanation present embodiment, some well known to a person skilled in the art but can omit to some extent with the incoherent parts of main contents of the present invention in accompanying drawing or the explanation.For ease of statement, some parts has omission, amplifies or dwindles in the accompanying drawing, but does not represent size or the entire infrastructure of actual product in addition.
Embodiment 1:
As shown in Figure 1, a kind of stepless voltage regulator of electric pressure cooking saucepan, cover 1, heat-generating disc 2, diving board 3 in comprising.Middle cover 1 also often is called as outer courage, cover 1 inner bottom part during diving board 3 is supported on, and diving board 3 is generally unsettled support, it mainly has been the effect of elastic reset, heat-generating disc 2 is supported on the diving board 3, and frizzen 4 is fixedly arranged at heat-generating disc 2 bottoms, and frizzen 4 is fixedly connected with driving chip 10 after passing diving board 3 and middle cover 1.
Fixedly there is switch bearing 20 side of middle cover 1, and fulcrum 5 is fixedly arranged on the switch bearing 20, is rotatably connected to actuating arm 6 on the fulcrum 5, and actuating arm 6 is that a main body is the part of " L " shape, and an end of actuating arm 6 is rotatably connected on the fulcrum 5.Be with torsion spring 30 on the fulcrum 5, two toggles of torsion spring 30 are stuck on actuating arm 6 and the switch bearing 20, utilize the torsion of torsion spring 30 to make actuating arm 6 cover 1 in tending to all the time.
The other end of the actuating arm 6 preset screw 7 that has been threaded, preset screw 7 withstands on driving chip 10 bottom surfaces, and torsion spring 30 makes actuating arm 6 cover 1 in tending to all the time, also just makes preset screw 7 withstand on driving chip 10 bottom surfaces all the time.Be fixedly connected with pressure switch 8 on the switch bearing 20, the front contact 81 of pressure switch 8 withstands on the actuating arm 6.Will drive frizzen 4 and driving chip 10 moves when heat-generating disc 2 produces upper and lower displacements, driving chip 10 drives actuating arm 6 again and rotates, and actuating arm 6 just drives front contact 81, when displacement reaches setting value, and pressure switch 8 action and deenergizations.
The pressure switch of using on the general electric pressure cooking saucepan all can have the fine setting screw rod, adjusts preset pressure value before being used for dispatching from the factory, and this needs, and relatively personnel and the specific purpose tool of specialty are regulated.And be connected with knob 9 on the fine setting screw rod 40 in the present embodiment, can make things convenient for the user to regulate.
Embodiment 2:
As shown in Figure 2, a kind of electric pressure cooking saucepan that adopts stepless voltage regulator among the embodiment 1 also comprises shell 50, interior pot 60, and wherein interior pot 60 places in the cover 1 and is supported on the heat-generating disc 2.The side of shell 50 is provided with circular hole, and knob 9 passes circular hole and outstanding a little shell 50, and perhaps the not outstanding shell 50 of knob 9 so both can make things convenient for the user to regulate, and can avoid again because stirring knob 9 because of carelessness.
In real work, when pot inner pressure reached certain value, interior pot 60 produced downward displacement under pressure, and drove heat-generating disc 2, frizzen 4, driving chip 10, the downward displacement of preset screw 7 generations; Preset screw 7 then drives the elastic force that actuating arm 6 overcomes torsion spring 30, and rotates around fulcrum 5; Actuating arm 6 drives front contact 81 and produces displacement, and when displacement reached the setting value of pressure switch 8, pressure switch 8 actions came deenergization.The user can come the setting value of setting pressure switch 8 by adjusting knob 9, thereby can carry out the setting of different upper pressure limit values to different food.
Embodiment 3:
As shown in Figure 3, a kind of stepless voltage regulator of electric pressure cooking saucepan, cover 1, heat-generating disc 2, diving board 3 in comprising.Cover 1 inner bottom part during diving board 3 is supported on, diving board 3 is unsettled support, mainly has been the effect of elastic reset, and heat-generating disc 2 is supported on the diving board 3, and frizzen 4 is fixedly arranged at heat-generating disc 2 bottoms, and frizzen 4 is fixedly connected with driving chip 10 after passing diving board 3 and middle cover 1.
Fixedly there is switch bearing 20 side of middle cover 1, and fulcrum 5 is fixedly arranged on the switch bearing 20, is rotatably connected to actuating arm 6 on the fulcrum 5, and actuating arm 6 is that a main body is the part of " L " shape, and an end of actuating arm 6 is rotatably connected on the fulcrum 5.Be with torsion spring 30 on the fulcrum 5, two toggles of torsion spring 30 are stuck on actuating arm 6 and the switch bearing 20, utilize the torsion of torsion spring 30 to make actuating arm 6 cover 1 in tending to all the time.
The other end of the actuating arm 6 preset screw 7 that has been threaded, preset screw 7 withstands on driving chip 10 bottom surfaces, and torsion spring 30 makes actuating arm 6 cover 1 in tending to all the time, also just makes preset screw 7 withstand on driving chip 10 bottom surfaces all the time.Be fixedly connected with pressure switch 8 on the switch bearing 20, the front contact 81 of pressure switch 8 withstands on the actuating arm 6.Will drive frizzen 4 and driving chip 10 moves when heat-generating disc 2 produces upper and lower displacements, driving chip 10 drives actuating arm 6 again and rotates, and actuating arm 6 just drives front contact 81, when displacement reaches setting value, and pressure switch 8 action and deenergizations.
As shown in Figure 4 and Figure 5, the pressure regulation rotation set 70 that has been threaded on the pressure switch 8, fine setting screw rod 40 is threaded in the pressure regulation rotation set 70.After adjusting, pressure regulation rotation set 70 internal threads connect the jackscrew (not shown) and withstand fine setting screw rod 40.Pressure switch 8 is provided with fixedly positive stop 82, and pressure regulation rotation set 70 is provided with flange 71, and fixedly positive stop 82 is located on the rotary motion trace of flange 71.The slewing area of pressure regulation rotation set 70 is subjected to the fixedly restriction of positive stop 82 like this, has also just limited the slewing area of fine setting screw rod 40, and this rotational angle generally is limited in 180 degree, or adjusts the angle value of physical constraints on request.
When present embodiment is regulated the highest operating pressure of setting before dispatching from the factory, generally regulate according to the following steps:
A rotates pressure regulation rotation set 70 to the maximum pressure anchor point.
B is forced into rated pressure in pot, the preset screw 7 on the rotational drive arm 6 makes the pressure switch action, locks preset screw 7 then.
C, pot inner pressure emptying, pressurization checks whether voltage-controlled value is accurate again; If deviation is arranged, rotate fine setting screw rod 40 to rated pressure.After the adjustment, fine setting screw rod 40 and pressure regulation rotation set 70 are by the interlock that links together of jackscrew (not shown).
Again as shown in Figure 3, in the present embodiment, be connected with knob 9 on the pressure regulation rotation set 70, rotate pressure regulation rotation set 70 to make things convenient for the user.
Though pressure switch 8 can limit the scope of adjustment in the present embodiment; but when present embodiment is applied to electric pressure cooking saucepan; generally can set up locating piece at knob 9; at electric pressure cooking saucepan fan-shaped stopper slot is set; the hunting range of locating piece is in fan-shaped stopper slot; it is the restriction that the rotational angle of knob 9 is subjected to fan-shaped stopper slot; and generally the rotational angle range of this knob 9 can protect the stopping means on the pressure switch 8 to avoid direct external impacts and produce problems such as unnecessary deformation, interference less than the rotational angle range of fine setting screw rod 40 like this.And when reality was used, low voltage value can not be set at 0Kpa, and low voltage value will have a low relatively concrete parameter value: as 25-30KPa.Reason is that the adjusting displacement when the 25KPa force value is too little, has only about 0.2mm, the whole pot fault that the build-up of pressure switch can't reset when long-term work in the future and the heat expansion deflection when hot are enough to influence in low pressure.So it is under any circumstance working properly to guarantee to reserve certain clearance.
Below only be two specific embodiments of the present utility model, but design concept of the present utility model is not limited thereto, all insubstantial modifications of utilizing the utility model design that the utility model is made all fall within the protection domain of the present utility model.
Claims (10)
1. the stepless voltage regulator of an electric pressure cooking saucepan, comprise middle cover, heat-generating disc, diving board, cover inner bottom part during wherein diving board is supported on, heat-generating disc is supported on the diving board, and heat-generating disc is provided with the triggering part, it is characterized in that, the cover side is provided with fulcrum in described, is rotatably connected to actuating arm on the fulcrum, and the preset screw has been threaded on the actuating arm, the preset screw withstands on and triggers below the part, is connected with elastic component between actuating arm and fulcrum or actuating arm and the middle cover; The side of middle cover also is provided with pressure switch, and the front contact of pressure switch withstands on the actuating arm, and pressure switch is provided with the fine setting screw rod.
2. the stepless voltage regulator of electric pressure cooking saucepan according to claim 1 is characterized in that, described fine setting screw rod adopts insulating materials, and the front end of perhaps finely tuning screw rod is provided with insulation and touches head.
3. the stepless voltage regulator of electric pressure cooking saucepan according to claim 1 is characterized in that, described elastic component is the extension spring that is located between actuating arm and the middle cover, perhaps for being enclosed within the torsion spring on the fulcrum.
4. the stepless voltage regulator of electric pressure cooking saucepan according to claim 1 is characterized in that, fixedly there is the switch bearing side of described middle cover, and described pressure switch is fixed on the switch bearing; Described elastic component is the extension spring that is located between actuating arm and the switch bearing, and perhaps for being enclosed within the torsion spring on the fulcrum, two toggles of torsion spring are stuck on actuating arm and the switch bearing.
5. the stepless voltage regulator of electric pressure cooking saucepan according to claim 1 is characterized in that, described triggering part is frizzen, and frizzen is connected with driving chip after passing diving board and middle cover, and the preset screw withstands on below the driving chip.
6. the stepless voltage regulator of electric pressure cooking saucepan according to claim 1 is characterized in that, described pressure switch is provided with the angular stop means of the restriction fine setting screw rod anglec of rotation.
7. the stepless voltage regulator of electric pressure cooking saucepan according to claim 6, it is characterized in that, described angular stop means comprises the fixedly positive stop that is located on the pressure switch and is located at the rotary spacing baffle plate of finely tuning on the screw rod that fixedly positive stop is located on the rotary motion trace of rotary spacing baffle plate.
8. the stepless voltage regulator of electric pressure cooking saucepan according to claim 1 is characterized in that, the pressure regulation rotation set that has been threaded on the described pressure switch, and described fine setting screw flight is connected in the pressure regulation rotation set.
9. the stepless voltage regulator of electric pressure cooking saucepan according to claim 8 is characterized in that, described pressure switch is provided with fixedly positive stop, and the pressure regulation rotation set is provided with flange, and fixedly positive stop is located on the rotary motion trace of flange.
10. the stepless voltage regulator of each described electric pressure cooking saucepan in 9 according to Claim 8 is characterized in that, is connected with knob on the described pressure regulation rotation set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320084493 CN203041850U (en) | 2013-02-25 | 2013-02-25 | Stepless pressure regulation device of electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320084493 CN203041850U (en) | 2013-02-25 | 2013-02-25 | Stepless pressure regulation device of electric pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203041850U true CN203041850U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320084493 Expired - Lifetime CN203041850U (en) | 2013-02-25 | 2013-02-25 | Stepless pressure regulation device of electric pressure cooker |
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| Country | Link |
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| CN (1) | CN203041850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110430793A (en) * | 2017-02-15 | 2019-11-08 | 福腾宝集团有限公司 | Pressure cooker lid and pressure cooker |
-
2013
- 2013-02-25 CN CN 201320084493 patent/CN203041850U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110430793A (en) * | 2017-02-15 | 2019-11-08 | 福腾宝集团有限公司 | Pressure cooker lid and pressure cooker |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170407 Address after: Shunde District of Guangdong city in Foshan province 528329 Junan Zhen Tong An Road No. 5-6 Patentee after: GUANGDONG SHUNDE OU NING TECHNOLOGY ELECTRIC Co.,Ltd. Address before: 528305 Guangdong Province, Shunde District, Ronggui, New South Road, Lane five, Lane 2, Lane No. 3, No. Patentee before: Huang Zhenxiong |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |