The electric pressure cooking saucepan that voltage limiting value is adjustable
Technical field
The present invention relates to the electric pressure cooking saucepan technical field, particularly a kind of variation relation of magnetic force and distance that utilizes is realized the electric pressure cooking saucepan that voltage limiting value can be regulated.
Background technology
Electric pressure cooking saucepan is strong with its culinary art automation performance, and cooking time is short, and does not have the obvious energy saving effect of boiling culinary art, and is swift and violent development in nearly ten years.
Cooking temp is high, and cooking temp is single, culinary art control automation, and culinary art does not have boiling, and cooking fluid food does not have that to spray and spoil over etc. be the characteristics of electric pressure cooking saucepan.In order to keep these characteristics of electric pressure cooking saucepan, over 10 years, as the fast quick-opening lid exhaust of electric pressure cooking saucepan release, and the pressure limiting valve that ensures of important safety, what continue to use all the time is the gravity pressure limiting valve of the single voltage limiting value of usual pressure pot, spring pressure limiting valve or magnetic force pressure limiting valve.Though different food needs different cooking temps, because of the characteristic of electric pressure cooking saucepan is limit; Cooking temp can not be regulated with the needs of food; Greatly influenced the sales volume of electric pressure cooking saucepan, for the culinary art performance of booster tension power pot to different foods, each manufacturer is just managing to improve; Join the pressure limiting valve of 2 different voltage limiting values like an electric pressure cooking saucepan, or directly adopt the methods such as pressure limiting valve of the adjustable pressure limiting value of usual pressure pot.
The pressure limiting valve of 2 different voltage limiting values of an electric pressure cooking saucepan adapted, not only maloperation very easily takes place in complex operation, and the problem especially of depositing of 2 pressure limiting valves.Usual pressure pot pressure limiting valve is through the development of decades, from the gravity pressure limiting valve of single voltage limiting value, and the spring pressure limiting valve, the magnetic force pressure limiting valve has derived the pressure limiting valve of miscellaneous adjustable pressure limiting value, and is technical very ripe.Because of the structure of usual pressure pot and method for using and electric pressure cooking saucepan have bigger difference; Although the pressure limiting valve of disclosed adjustable pressure limiting value is applied on the electric pressure cooking saucepan, solve the storage problem of 2 pressure limiting valves, the existing structure of electric pressure cooking saucepan is assembled with producing; Bigger change is caused in the capital; And not only the adjusting of the voltage limiting value of pressure limiting valve is loaded down with trivial details in the use, and fast quick-opening lid exhaust release is inconvenient, also can clean difficulty because of the dirty back of pressure limiting valve and cause leakage vapour.
Summary of the invention
The objective of the invention is to, according to permanent magnet and ferromagnet, the magnetic force that produces between permanent magnet and the permanent magnet; When the distance of the two changed, magnetic force was also with the principle that changes, on the basis of existing electric pressure cooking saucepan pressure limiting valve structure, assembling; Change with minimum; Minimum cost, the most succinct operation, structure the most reliably; Through regulating the distance between permanent magnet or ferromagnet pressure limiting valve valve body of processing and the magnetic pad of processing with permanent magnet or ferromagnet, the adjusting of realization electric pressure cooking saucepan voltage limiting value.Keeping the existing characteristics of electric pressure cooking saucepan and operating on the basis; Thoroughly solve and join 2 pressure limiting valves; And using existing usual pressure pot adjustable pressure limiting value pressure limiting valve, the pressure limiting valve of existence is preserved difficulty, complex operation when regulating voltage limiting value; The dirty back of pressure limiting valve is difficult to be cleaned when producing problems such as leaking vapour, effectively the culinary art performance of improvement, booster tension power pot.
For realizing above-mentioned purpose, technical scheme of the present invention is:
The electric pressure cooking saucepan that a kind of voltage limiting value is adjustable comprises pot cover (10), forms the valve seat (1) of pressure limiting valve (30); Blast pipe (2), magnet valve body (3), magnetic pad (4); Elastic component (5) and pressure regulation button parts such as (6), it is characterized in that: blast pipe (2) is fixed on the pot cover (10), and movable magnet valve body (3) is sleeved on blast pipe (2) port; Between magnet valve body (3) and the pot cover (10) magnetic pad (4) is arranged, elastic component (5) and valve seat (1).
When said pressure regulation button (6) made elastic component (5) that deformation take place, magnetic pad (4) can be along blast pipe (2) axially-movable.
Said magnetic pad (4) can be a permanent magnet, also can be ferromagnet.
Said elastic component (5) can be a spring, also can be flexible glue.
Said elastic component (5) can be a separate piece, also can be the sub-assembly of a plurality of parts.
Said valve seat (1) can be a separate piece, also can be sub-assembly.
Said pressure regulation button (6) can be a push type, also can be rotary, can also be plug-type.
Beneficial effect of the present invention is: utilize the magnetic force that produces between permanent magnet and permanent magnet or permanent magnet and the ferromagnet, when distance changed, magnetic force was also with the principle that changes; On the basis of existing electric pressure cooking saucepan pressure limiting valve structure, production assembling,, change the distance between magnet valve body (3) and the magnetic pad (4) through regulating pressure regulation button (6); With the change of minimum, minimum cost, the most succinct operation; The most reliable structure; On the basis that keeps existing characteristics of electric pressure cooking saucepan and operation, realize the adjusting of electric pressure cooking saucepan voltage limiting value, the culinary art performance of improvement, booster tension power pot.
Description of drawings
The pot cover (10) of Fig. 1 independent valve seat (1) for the present invention has screws the signal axonometric drawing of state;
Fig. 2 has the signal axonometric drawing of the pot cover (10) of stack valve seat (1) for the present invention;
Partial schematic sectional view when Fig. 3 is the maximum voltage limiting value of embodiment of the invention pressure limiting valve (30);
Fig. 4 is the partial schematic sectional view after embodiment of the invention pressure limiting valve (30) is regulated voltage limiting value.
Among the figure: 10, pot cover; 30, pressure limiting valve; 1, valve seat; 2, blast pipe; 3, magnet valve body; 4, magnetic pad; 5, elastic component; 6, pressure regulation button.
The specific embodiment:
Below in conjunction with the accompanying drawing and the specific embodiment, the present invention is further described, do not limit protection scope of the present invention because of listed embodiment.
Shown in accompanying drawing 1, electric pressure cooking saucepan is under the heat energy effect, and in the time of producing safe-working pressure, the residing state of pot cover (10) is the state that screws of pot cover (10), and be fixed on pot cover (10) and go up the valve seat (1) of forming pressure limiting valve (30) this moment, is independent of other part.
Shown in accompanying drawing 2, be fixed on pot cover (10) and go up the valve seat (1) of forming pressure limiting valve (30), the effect of have the rotation folding simultaneously, moving pot cover (10) is so valve seat (1) is again the sub-assembly of existing electric pressure cooking saucepan pot lid handle (having another name called wrist or handle etc.).
Like accompanying drawing 3, shown in 4, be fixed with blast pipe (2) on the pot cover (10), in blast pipe (2) port; Be set with and limit maximum working pressure (MWP) in the pot; Interior and the extraneous break-make of control pot, and exhaust release fast, the magnet valve body (3) that can move, rotates; Between magnet valve body (3) and the pot cover (10) magnetic pad (4) is arranged, elastic component (5) and valve seat (1).
When regulating pressure regulation button (6), the flexible deformation that elastic component (5) produces, driven magnetic pad (4) is along blast pipe (2) axially-movable, changes and is sleeved on the distance between blast pipe (2) the relatively-stationary magnet valve body in port position (3).
Magnetic pad (4) can be a permanent magnet, also can be ferromagnet; Elastic component (5) can be independently spring or flexible glue, also can be the sub-assembly that spring, flexible glue and other part are combined; Pressure regulation button (6) can be a push type, also can be rotary, can also be plug-type.
Embodiment
Shown in accompanying drawing 3; When not regulating pressure regulation button (6); Under the effect that elastic component (5) elastic force promotes; Magnetic pad (4) and the distance that is sleeved between the magnet valve body (3) of blast pipe (2) port are minimum, this moment magnetic pad (4) with magnet valve body (3) between the magnetic attraction that produces maximum, the voltage limiting value that pressure limiting valve (30) produces is maximum also.
Shown in accompanying drawing 4; Regulate the position of pressure regulation button (6); Elastic component (5) is compressed, and magnetic pad (4) is along blast pipe (2) axial downward movement, and magnetic pad (4) becomes big with the distance of the magnet valve body (3) that is sleeved on blast pipe (2) port; The magnetic attraction that produce between magnetic pad (4) and the magnet valve body (3) this moment reduces, and the voltage limiting value that pressure limiting valve (30) produces diminishes thereupon.