CN213429600U

CN213429600U - Automatic exhaust pressure relief valve for electric cooker

Info

Publication number: CN213429600U
Application number: CN202021476504.8U
Authority: CN
Inventors: 李媛媛; 曾义
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-06-15
Anticipated expiration: 2030-07-23

Abstract

The utility model relates to the technical field of household appliances, and an automatic exhaust relief valve for electric rice cooker is disclosed, which comprises a cooker cover, the bottom fixed mounting of pot cover has the pot body, the inner chamber bottom middle part fixed mounting of the pot body has the hot plate, the top fixed mounting of hot plate has a pot courage. The utility model discloses an adopt U type pipe, utilize liquid level difference principle, make No. three magnets drive the push rod and promote the valve downwards, and then make the hole on the blast pipe opened, thereby realize the self-bleeding function, after high temperature vapor discharges an amount, a magnet can downstream again, drive No. two magnets and No. three magnets and carry out the motion that resets, realize the automatic valve and close the function, avoid continuously exhausting and lead to the interior temperature reduction of pot, and influence food maturity and taste, avoid artifical manual switch discharge valve and lead to the danger of hand scald, through adopting compartment membrane and barrier film, only gaseous molecule can pass through, avoid the hydrone to cause the blast pipe trouble, influence the exhaust effect.

Description

Automatic exhaust pressure relief valve for electric cooker

Technical Field

The utility model relates to the technical field of household appliances, in particular to an automatic exhaust and pressure release valve for an electric cooker.

Background

An electric cooker, also called as an electric cooker, is an essential cooking utensil in daily life, can perform various heating operations such as steaming, boiling, stewing and the like on food, and can generate a large amount of high-temperature steam in the heating process, so that the electric cooker needs to exhaust and release pressure in time to ensure the stability of a cooker body and cannot explode due to overpressure.

At present, the electric rice cooker adopts two main types of exhaust valves, one type is the exhaust valve with holes, the valve body is provided with holes, the electric rice cooker continuously exhausts air when cooking, if the air is continuously exhausted, the temperature in the cooker is reduced, the cooking time of food is prolonged, and the maturity and the taste of the food are affected, the other type is a common exhaust valve, the main structure is a circular rubber valve plate and a rotating shaft mechanism, when the electric rice cooker needs to exhaust and release the air, the valve cover is manually rotated by a person, so that the circular rubber valve plate is rotated to be opened, the air is emitted from an exhaust hole, and the exhaust and release effects are achieved, wherein when the exhaust valve is manually opened, the internal high-temperature steam is emitted, but the person is not loosened in time, so that the danger of being scalded by the high-temperature steam exists, and the automatic exhaust and release valve for the electric rice cooker is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an automatic exhaust relief valve for electric cooker possesses gravity detection pressure, and intermittent type nature exhaust avoids lasting exhaust and leads to the interior temperature of pot to reduce, and the manual switch operation is avoided to automatic switch discharge valve, prevents the advantage of artifical hand scald, has solved the problem of proposing among the above-mentioned background art.

The utility model provides a following technical scheme: an automatic exhaust and pressure relief valve for an electric cooker comprises a cooker cover, wherein a cooker body is fixedly arranged at the bottom end of the cooker cover, a heating plate is fixedly arranged at the middle part of the bottom end of an inner cavity of the cooker body, a cooker liner is fixedly arranged at the top end of the heating plate, a sealing ring is fixedly sleeved at the edge of the top end of the cooker liner, a U-shaped pipe is fixedly arranged at the middle part of the inner bottom end of the cooker cover, a first magnet is movably arranged at the bottom of one end of the U-shaped pipe, a second magnet is movably arranged above the top end of the first magnet, a third magnet is movably arranged above the bottom of the other end of the U-shaped pipe, a push rod is fixedly arranged at the middle part of the bottom end of the third magnet, a valve is fixedly arranged at the bottom end of the push rod, an exhaust, the bottom fixed mounting of sealing ring has the cooling layer, the fixed cover in outside on cooling layer has connect the barrier film, the bottom fixed mounting of cooling layer has the channel, the fixed cover in bottom of channel has connect the barrier film.

Preferably, the second magnet and the third magnet are parallel, and a non-volatile oil agent is filled between the second magnet and the third magnet.

Preferably, the first magnet and the second magnet are consistent in size and size, the opposite magnetic poles of the first magnet and the second magnet are same in polarity, and the third magnet is also consistent in size and size with the first magnet and the second magnet.

Preferably, the bottom end of the exhaust pipe is provided with a hole, the hole is located in the middle of the top end of the valve, and the diameter value of the hole is two thirds of the diameter value of the valve.

Preferably, the separating film and the barrier film can allow gas molecules to pass through, but not water molecules and biological macromolecules to pass through.

Preferably, the cooling layers are fourteen in total and are uniformly distributed in a tubular shape in the separation membrane.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. by adopting the U-shaped pipe, when the pressure generated by the high-temperature water vapor in the electric rice cooker is larger than the standard pressure which can stabilize the device at the beginning, the redundant pressure can generate upward thrust to push the first magnet upwards, then the repulsive force of the magnets with the same poles is used for pushing the second magnet, the third magnet can move downwards by utilizing the liquid level difference principle, so as to drive the push rod to push the valve downwards, so that the hole on the exhaust pipe is opened, thereby realizing the automatic exhaust function, when high-temperature steam is discharged for a certain amount, the pressure in the pot is reduced, the first magnet moves downwards again, thereby driving the second magnet and the third magnet to reset, realizing the function of automatic valve closing, avoiding the temperature reduction in the pot caused by continuous exhaust, and influence food cooked degree and taste, in addition, avoid artifical manual carrying on the discharge valve switch and lead to the danger of hand scald.

2. The utility model discloses an adopt and separate rete and barrier film, when the valve is opened and is exhausted, utilize to separate rete and barrier film can make in the high temperature vapor, only gaseous molecule can pass through, the separation hydrone, avoid the hydrone to see through and form liquid water, thereby avoid long ponding and form the incrustation scale, and then cause the blast pipe trouble, influence exhaust effect, furthermore, still adopt the cooling layer, can make near valve high temperature vapor's temperature drop, and then make its pressure reduce, when the valve is pushed down, the pressure resistance that receives can diminish, thereby avoid the problem that the valve can't push open, guarantee the normal use of exhaust pressure release function.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the cooling layer of the present invention.

In the figure: 1. a pot cover; 2. a pan body; 3. heating plates; 4. a pot liner; 5. a seal ring; 6. a U-shaped pipe; 7. a magnet number one; 8. a magnet number two; 9. a magnet number three; 10. a push rod; 11. a valve; 12. an exhaust pipe; 13. an exhaust hole; 14. a seal ring; 15. a cooling layer; 16. separating the membrane; 17. a channel; 18. a barrier film.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an automatic exhaust and pressure relief valve for an electric rice cooker comprises a cooker cover 1, a cooker body 2 is fixedly installed at the bottom end of the cooker cover 1, a heating plate 3 is fixedly installed at the middle of the bottom end of an inner cavity of the cooker body 2, a cooker liner 4 is fixedly installed at the top end of the heating plate 3, a sealing ring 5 is fixedly sleeved at the top end edge of the cooker liner 4, the sealing ring 5 is adopted to prevent bubbles generated in the electric rice cooker from overflowing, a U-shaped pipe 6 is fixedly installed at the middle of the bottom end of the inner part of the cooker cover 1, a first magnet 7 is movably installed at the bottom of one end of the U-shaped pipe 6, a second magnet 8 is movably installed above the top end of the first magnet 7, a third magnet 9 is movably installed above the bottom of the other end of the U-shaped pipe 6, a push rod 10 is fixedly installed at the middle, an exhaust hole 13 is arranged at one end of an exhaust pipe 12, a U-shaped pipe 6 is adopted, when the pressure generated by high-temperature water vapor in the electric cooker is greater than the standard pressure which can make the device stable and motionless initially, the redundant pressure can generate upward thrust to push a magnet 7 upwards, then the repulsive force generated by magnets with the same poles is used for pushing a magnet 8 with the same poles, and by utilizing the liquid level difference principle, a magnet 9 with the third pole can move downwards so as to drive a push rod 10 to push a valve 11 downwards, so that the hole on the exhaust pipe 12 is opened, thereby realizing the automatic exhaust function, when high-temperature water vapor is exhausted for a certain amount, the pressure in the cooker is reduced, the magnet 7 with the first pole can move downwards again, thereby driving the magnet 8 with the third pole 9 to reset, thereby realizing the automatic closing function of the valve 11, avoiding the temperature reduction in the cooker caused by continuous exhaust and influencing the cooked degree and taste of food, in addition, the danger that the hand is scalded due to manual opening and closing of the exhaust valve is avoided, the sealing ring 14 is fixedly mounted at the bottom end of the exhaust pipe 12 and located outside the valve 11, the cooling layer 15 is fixedly mounted at the bottom end of the sealing ring 14, the separation film 16 is sleeved on the outside of the cooling layer 15 in a fixed mode, the channel 17 is fixedly mounted at the bottom end of the cooling layer 15, and the separation film 18 is fixedly sleeved at the bottom end of the channel 17.

Wherein, No. two magnets 8 are parallel with No. three magnet 9 position, can form that the U type liquid is parallel, and is full of non-volatile finish between No. two magnets 8 and No. three magnet 9, and the finish has lubricating property, can correspondingly reduce the in-process of motion, the resistance of liquid, and non-volatile finish makes this automatic relief valve can use for a long time.

The first magnet 7 and the second magnet 8 are identical in size, the opposite magnetic poles of the first magnet 7 and the second magnet 8 are same in polarity, so that the repulsion force generated between the first magnet 7 and the second magnet 8 is equal, the phenomenon that the structure is unstable or the pressure parameter is judged to be wrong due to the fact that the two magnets generate redundant repulsion force errors is avoided, and the third magnet 9 is identical in size with the first magnet 7 and the second magnet 8.

Wherein, the bottom end of the exhaust pipe 12 is provided with a hole, the hole is positioned in the middle of the top end of the valve 11, the diameter value of the hole is two thirds of the diameter value of the valve 11, and the exhaust pipe and the valve 11 form an exhaust switch mechanism, thereby facilitating the automatic discharge and blocking of the high-temperature steam in the pot.

The separating film 16 and the barrier film 18 can allow gas molecules to pass through, but do not allow water molecules and biological macromolecules to pass through, when the valve 11 is opened for exhausting, only the gas molecules can pass through in the high-temperature water vapor by using the separating film 16 and the barrier film 18, the water molecules are blocked, and the water molecules are prevented from penetrating to form liquid water, so that water scale is prevented from being formed due to long-term water accumulation, the exhaust pipe 12 is prevented from being broken down, and the exhaust effect is influenced.

The cooling layers 15 are uniformly distributed in a tubular shape inside the separation membrane 16, the temperature of high-temperature steam near the valve 11 can be reduced by adopting the cooling layers 15, so that the pressure intensity of the high-temperature steam is reduced, and when the valve 11 is pushed downwards, the pressure intensity resistance is reduced, so that the problem that the valve 11 cannot be pushed away is solved, and the normal use of the exhaust and pressure relief functions is ensured.

The working principle is as follows: when the cooker is used, firstly, food to be cooked is put into the cooker liner 4, the cooker liner 4 is stably placed on the heating plate 3, after the cooker liner 4 is stably placed, the power supply of the electric cooker is switched on, the cooker cover 1 is closed downwards, when the temperature in the cooker is gradually increased, and when the food begins to boil, if the pressure in the cooker is greater than the standard stable pressure, the first magnet 7 is pushed upwards by high-temperature water vapor and drives the second magnet 8 to upwards, and when the second magnet 8 upwards, the third magnet 9 downwards moves, and the push rod 10 pushes the valve 11 downwards, so that the hole on the exhaust pipe 12 is exposed, the high-temperature water vapor flows into the hole, flows out of the exhaust hole 13 along the exhaust pipe 12, and the exhaust and pressure relief are completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic gas relief valve for rice cooker, includes pot cover (1), its characterized in that: the pot is characterized in that a pot body (2) is fixedly mounted at the bottom of a pot cover (1), a heating plate (3) is fixedly mounted at the middle of the bottom of an inner cavity of the pot body (2), a pot liner (4) is fixedly mounted at the top end of the heating plate (3), a sealing ring (5) is fixedly sleeved at the edge of the top end of the pot liner (4), a U-shaped pipe (6) is fixedly mounted at the middle of the inner bottom of the pot cover (1), a first magnet (7) is movably mounted at the bottom of one end of the U-shaped pipe (6), a second magnet (8) is movably mounted above the top end of the first magnet (7), a third magnet (9) is movably mounted above the bottom end of the U-shaped pipe (6), a push rod (10) is fixedly mounted at the middle of the bottom of the third magnet (9), a valve (11) is fixedly mounted at the bottom of the push, exhaust hole (13) have been seted up to the one end of blast pipe (12), the bottom fixed mounting of blast pipe (12) has sealing ring (14), and sealing ring (14) are located the outside of valve (11), the bottom fixed mounting of sealing ring (14) has cooling layer (15), the external fixation of cooling layer (15) has cup jointed separating film (16), the bottom fixed mounting of cooling layer (15) has channel (17), the fixed cover in bottom of channel (17) has cup jointed barrier film (18).

2. The automatic waste gate valve for electric rice cooker as claimed in claim 1, wherein: the second magnet (8) and the third magnet (9) are parallel, and a non-volatile oil agent is filled between the second magnet (8) and the third magnet (9).

3. The automatic waste gate valve for electric rice cooker as claimed in claim 1, wherein: the first magnet (7) and the second magnet (8) are consistent in size, the opposite magnetic poles of the first magnet and the second magnet are same in polarity, and the third magnet (9) is also consistent in size with the first magnet (7) and the second magnet (8).

4. The automatic waste gate valve for electric rice cooker as claimed in claim 1, wherein: the bottom end of the exhaust pipe (12) is provided with a hole, the hole is positioned in the middle of the top end of the valve (11), and the diameter value of the hole is two thirds of that of the valve (11).

5. The automatic waste gate valve for electric rice cooker as claimed in claim 1, wherein: the separating film (16) and the blocking film (18) can allow gas molecules to pass through but not water molecules and biomacromolecules.

6. The automatic waste gate valve for electric rice cooker as claimed in claim 1, wherein: the cooling layers (15) are fourteen in total and are uniformly distributed in the separating membrane (16) in a tubular shape.