A device capable of adjusting pressure and releasing pressure automatically
An automatic venting and pressure-adjustable technology, applied in pressure cookers and other directions, can solve the problems of poor pressure regulation, inaccurate pressure detection, failure, etc., and achieve the effect of avoiding clogging and safe and reliable use.
Inactive Publication Date: 2010-12-22
GUANGDONG LUBY ELECTRONICS
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However, the vent holes are generally very small, and the diameter generally does not exceed 3mm. During the actual exhaust and pressure relief process, the miscellaneous debris in the pot is easily discharged with the air flow, and the vent holes are easily blocked, which makes the pressure in the pot too high. The gas cannot be well leaked out, and the pressure regulation effect is poor or invalid, which may lead to the explosion of the pressure cooker, and there are certain safety hazards in use.
Moreover, the pressure detection action and pressure adjustment action of the mechanism are both completed by the pressure sensing hammer itself. When the pressure sensing hammer releases pressure, it must be impacted by the pressure relief air flow, and the pressure adjustment action will definitely interfere with the pressure detection effect and make the pressure detection inaccurate. , which in turn leads to different degrees of hysteresis in the actual pressure regulation action, and the overall pressure control effect of the pressure cooker cannot be accurately realized.
Therefore, a single pressure-sensitive hammer-type pressure regulating mechanism cannot achieve timely and accurate pressure adjustment of the pressure cooker in a real sense.
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[0015] The present invention is described in further detail below in conjunction with accompanying drawing (embodiment):
[0016] Refer to the attached figure 1 , the present invention is composed of a pot body 1, a pot cover 2, a cover body 21, an exhaust hole 211, and a pressure regulating device 3. A cover body 21 is provided on the pot cover 2, and an exhaust hole 211 and a pressure regulating device are arranged on the cover body 21. Device 3.
[0017] Refer to the attached figure 1 , the pressure regulating device of the present invention is composed of a lock body 31, a pressure regulating knob 32, an elastic element 33, a floating body 34, an exhaust hole 311, and a sealing ring 35. An elastic element 33 is arranged, a floating body 34 is arranged under the elastic element 33 , and an exhaust hole 311 is arranged at the lower end of the lock body 31 .
[0018] The elastic element can be a spring (refer to the attached figure 1 ).
[0019] The elastic element can b...
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The invention relates to a device for adjusting pressure and discharging pressure automatically, wherein it comprises boiler body and boiler cover; the cover has cover body with ventilate holes and pressure adjuster. The invention has the advantages that: it has pressure adjuster to adjust the pressure in some range; it will discharge pressure automatically; 3, it has ventilated holes at the cover and the locker, to avoid blocking the holes.
Description
technical field [0001] The present invention relates to an adjustable pressure and automatic pressure relief device. Background technique [0002] In the prior art, the pressure regulating mechanism used in common pressure cookers mostly adopts a single pressure-sensitive hammer-type pressure-regulating mechanism, and its pressure-regulating effect is mainly realized by the pressure relief action of the vent hole of the pressure-sensitive hammer, so that the pressure in the pot will not be reduced. Exceed the preset pressure threshold to achieve the pressure regulation effect of the pressure cooker. However, the exhaust holes are generally very small, and the diameter is generally not more than 3mm. During the actual exhaust and pressure relief process, the debris in the pot is easily discharged with the airflow, and the exhaust holes are easily blocked, making the pressure in the pot too high. The gas can not be leaked well, and the pressure regulation effect is poor or in...
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IPC IPC(8): A47J27/09
Inventor 李中林朱纯章
Owner GUANGDONG LUBY ELECTRONICS