CN211484037U

CN211484037U - Pressure valve and cooking utensil

Info

Publication number: CN211484037U
Application number: CN201922139064.0U
Authority: CN
Inventors: 陈崇得; 胡玉新; 李锦彬; 郑芝云; 李佳宏
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-09-15
Anticipated expiration: 2029-12-03

Abstract

The utility model relates to a cooking utensil and pressure valve, pressure valve includes: one end of the valve body can be communicated with the sealing space, and the other end of the valve body is provided with an exhaust port; the adjusting mechanism comprises a plugging piece and an adjusting component; the blocking piece has a pre-pressing state for closing the exhaust port and an exhaust state for allowing the exhaust port to be opened; the adjusting assembly is used for controllably changing the exhaust clearance between the plugging piece and the exhaust port according to the relation between the actual exhaust pressure of the exhaust port and the preset value when the plugging piece is in the exhaust state. Above-mentioned pressure valve assembles on cooking utensil's lid, and the high-pressure draught in the culinary art space can flow to the gas vent of valve body, dashes to unseal behind the closure by the gas vent flow direction external, realizes cooking utensil's pressure release action. And in the pressure relief process, if the actual exhaust pressure of the exhaust port is smaller than a preset value, the exhaust clearance is reduced. At this moment, can control the adjusting part and increase exhaust clearance, allow more air currents to flow out, realize quick pressure release.

Description

Pressure valve and cooking utensil

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to pressure valve and cooking utensil.

Background

With the development and scientific progress of the society, people are pursuing quality of life more and more, and cooking appliances such as pressure electric cookers and electric pressure cookers are widely applied to daily life of people and become indispensable tools in life of people.

Generally, a cooking appliance includes a pot body and a cover body, and the cover body is openably and closably disposed with respect to the pot body to open and close a cooking space in the pot body. However, when the cooking appliance completes the cooking work, the pressure inside the cooking space is high, and the cover cannot be opened quickly.

SUMMERY OF THE UTILITY MODEL

In view of this, there is a need for a pressure valve that can achieve a quick uncap.

A pressure valve comprises

One end of the valve body can be communicated with the sealing space, and the other end of the valve body is provided with an exhaust port;

the adjusting mechanism comprises a plugging piece and an adjusting component; the block piece has a pre-pressure state for closing the exhaust port and an exhaust state for allowing the exhaust port to be opened; and when the plugging piece is in an exhaust state, the adjusting assembly is controlled to change the exhaust gap between the plugging piece and the exhaust port according to the relation between the actual exhaust pressure of the exhaust port and a preset value.

The pressure valve can be assembled on a cover body of the cooking appliance, and when the cooking appliance is in a cooking process, the pressure valve is normally closed; after cooking is finished, the valve of the pressure valve is controlled to be opened, one end of the valve body is communicated with the cooking space, and therefore airflow in the cooking space enters the exhaust port of the valve body. At the moment, the airflow pressure is high, the plugging piece can be flushed and then flows to the outside through the exhaust port, and the pressure relief action of the cooking appliance is realized. In the pressure relief process, if the actual exhaust pressure of the exhaust port is smaller than a preset value (obtained according to theoretical technology or experiments), the exhaust gap is reduced. At this moment, can control the adjusting part and increase exhaust clearance, allow more air currents to flow out, realize quick pressure release.

In one embodiment, the exhaust gas pressure sensor is used for detecting the actual exhaust gas pressure of the exhaust port;

the controller controls the adjusting assembly to increase the exhaust gap when the actual exhaust pressure is smaller than a preset value; the controller controls the adjustment assembly to reduce the exhaust gap when the actual exhaust pressure is greater than a preset value.

In one embodiment, the blocking piece is movably arranged at the air outlet, and the adjusting component is controlled to apply an elastic force which faces the air outlet and is adjustable in size to the blocking piece.

In one embodiment, the adjusting assembly comprises an adjusting piece and an elastic piece, the adjusting piece is movably arranged in the valve body in the direction close to and far away from the blocking piece, and the elastic piece abuts between the adjusting piece and the blocking piece and applies the elastic force to the blocking piece.

In one embodiment, the adjusting mechanism further comprises a driving member, an output end of the driving member is connected with the adjusting member, and the adjusting member moves towards and away from the blocking member under the driving of the driving member.

In one embodiment, the adjustment member is threadably coupled to the valve body.

In one embodiment, the adjusting mechanism further comprises a sealing member, and the sealing member is sleeved outside the blocking member.

In one embodiment, the adjusting mechanism is disposed on the valve body opposite to the exhaust port, the valve body is provided with a first pressure relief channel and a second pressure relief channel which are intersected, the first pressure relief channel is provided with the exhaust port, and the first pressure relief channel can be communicated with the second pressure relief channel through the opened exhaust port.

In one embodiment, the air-conditioning valve further comprises a filtering component, the valve body is provided with an air inlet communicated with the air outlet, and the filtering component is matched and connected with the air inlet.

In one embodiment, the filter assembly includes a first filter element and a second filter element coupled to each other and enclosing to form a filter cavity, one of the first filter element and the second filter element defines a filter inlet communicating with the filter cavity, and the other of the first filter element and the second filter element defines a filter outlet communicating with the filter cavity and the air inlet.

The utility model also provides a cooking utensil, including the pot body, relative the lid and the above-mentioned pressure valve that the pot body can open and shut the setting, the pressure valve is joined in marriage and is located the lid.

Drawings

Fig. 1 is a schematic cross-sectional view of a pressure valve according to an embodiment of the present invention;

FIG. 2 is an exploded schematic view of the pressure valve of FIG. 1;

fig. 3 is an exploded cross-sectional view of the pressure valve of fig. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-3, in an embodiment of the present invention, a pressure valve 100 is provided, which can be installed on a lid of a cooking appliance, and when the cooking appliance completes cooking, the pressure can be released through the pressure valve 100, so that a user can open the lid quickly.

The pressure valve 100 comprises a valve body 10 and an adjusting mechanism 30, wherein one end of the valve body 10 can be communicated with a closed space (for example, a cooking space of a cooking utensil), and the other end is provided with an exhaust port 12; the adjustment mechanism 30 includes a closure 32 and an adjustment assembly 34; the block piece 32 has a pre-pressure state for closing the exhaust port 12 and an exhaust state for allowing the exhaust port 12 to be opened, and the adjusting assembly 34 controllably changes the exhaust gap between the block piece 32 and the exhaust port 12 according to the relation between the actual exhaust pressure of the exhaust port 12 and a preset value when the block piece 32 is in the exhaust state.

When the cooking appliance is in the cooking process, the pressure valve 100 is normally closed; after cooking is finished, the valve of the pressure valve 100 is controlled to be opened, so that one end of the valve body 10 is communicated with the cooking space, high-pressure air flow in the cooking space flows into the exhaust port 12 of the valve body 10, the blocking piece 32 is flushed and flows to the outside through the exhaust port 12, and the pressure relief action of the cooking appliance is realized. In the pressure relief process, if the actual exhaust pressure of the exhaust port 12 is smaller than a preset value (obtained according to theoretical techniques or experiments), it indicates that the exhaust gap is reduced. At this point, the adjustment assembly 34 may be controlled to increase the exhaust gap, allowing more airflow to exit, and allowing for rapid pressure relief.

In specific embodiments, the pressure valve 100 further includes a controller (not shown) and a sensor (not shown), the sensor is used for detecting the actual exhaust pressure of the exhaust port 12, and the controller controls the adjusting component 32 to increase the exhaust gap when the actual exhaust pressure is smaller than a preset value; the controller controls the adjustment assembly 32 to decrease the exhaust gap when the actual exhaust pressure is greater than the pre-pressure.

That is, when the actual exhaust pressure of the exhaust port 12 is smaller than the preset value, it indicates that the exhaust flow is smaller, the exhaust gap can be increased, the exhaust flow can be increased, and the pressure relief speed can be increased. When the actual exhaust pressure of the exhaust port 12 is greater than the preset value, it indicates that the exhaust flow is large at this time, the pressure in the cooker changes rapidly, and there is a potential safety hazard. In the pressure release process, so constantly circulate, safe quick pressure release realizes uncapping fast.

In one embodiment, the blocking member 32 is movably disposed at the exhaust port 12, and the adjusting member 34 is controlled to apply an adjustable elastic force to the blocking member 32 toward the exhaust port 12. Thus, the elastic force applied to the closure 32 by the adjustment assembly 34 can either push the closure 32 to close the exhaust port 12 when the pressure in the cooker is low or allow the closure 32 to move to open the exhaust port 12 when the pressure in the cooker is high.

Wherein the elastic force of the adjusting component 34 to the plugging member 32 can be transmitted to the plugging member 32, and becomes the pre-pressure of the plugging member 32 for closing the exhaust port 12. In the pressure relief process, the pre-pressure of the blocking piece 32 on the exhaust port 12 can be changed by changing the elastic force of the adjusting component 34 on the blocking piece 32. When the pressure in the cooker is higher than the pre-pressure, i.e. higher than the elastic force of the adjusting component 34 to the blocking piece 32, the blocking piece 32 will overcome the elastic force of the adjusting component 34 to itself to open the exhaust port 12 under the action of the air flow. In the pressure relief process, the elasticity applied to the plugging piece 32 by the adjusting component 34 can be reduced, the pre-pressure of the plugging piece 32 to the exhaust port 12 is reduced, the exhaust gap is increased, and the pressure relief speed is increased; meanwhile, if the pressure relief is too fast, the pre-pressure can be increased, the exhaust gap is reduced, the pressure relief speed is reduced, and potential safety hazards caused by sudden pressure change in the cooker, such as scalding of operators due to sudden boiling in the cooker, are prevented. Therefore, the safety performance of the pressure relief process can be guaranteed, the pressure relief can be realized quickly, and the cover can be opened quickly.

The adjusting member 34 includes an adjusting member 341 and an elastic member 343, the adjusting member 341 is movably disposed in a direction approaching and separating from the blocking member 32, and the elastic member 343 abuts between the adjusting member 341 and the blocking member 32 and applies elastic force to the blocking member 32. When the position of the adjusting member 341 changes relative to the plugging member 32, the elastic force of the elastic member 343 on the plugging member 32 changes, so as to achieve the purpose of adjusting the pre-pressure on the exhaust port 12.

For example, when the adjusting member 341 moves toward the direction of approaching the blocking member 32, the elastic member 343 is compressed to apply a large elastic force to the blocking member 32, and the blocking member 32 generates a large pre-pressure to the exhaust port 12; when the adjusting member 341 moves in a direction away from the blocking member 32, the elastic member 343 is released, the elastic force applied to the blocking member 32 decreases, and the pre-pressure of the blocking member 32 against the exhaust port 12 decreases.

The adjusting mechanism 30 further comprises a driving member 36, an output end of the driving member 36 is connected with the adjusting member 341, and the adjusting member 341 is driven by the driving member 36 to move toward and away from the plugging member 32 to adjust the pre-pressure. During the pressure relief process, the controller controls the output motion of the driving element 36, so that the elastic force applied to the blocking element 32 can be changed, and the exhaust gap can be further changed.

Specifically in this embodiment, the adjustment member 341 is threadably coupled to the valve body 10, and the adjustment member 341 is rotatable toward and away from the block piece 32 by the conversion of the threaded coupling. Moreover, the driving member 36 is a motor connected to the adjusting member 341, and the motor automatically drives the adjusting member 341 to rotate, so that the adjusting member 341 moves toward and away from the plugging member 32.

Further, the adjusting member 341 is engaged with the output end of the driving member 36 in a rotation-stopping manner, and when the output end of the driving member 36 rotates, the adjusting member 341 can be driven to rotate, and the adjusting member 341 is allowed to move along the axial direction of the output end of the driving member 36 to compress or release the elastic member 343.

In some embodiments, the adjusting mechanism 30 further includes a sealing member (not shown) disposed outside the blocking member 32, and blocking the blocking member 32 at the exhaust port 12 together can improve the sealing performance.

In any of the above embodiments, the valve body 10 further defines an air inlet 11 communicating with the air outlet 12, and the airflow in the pot can flow from the air inlet 11 to the air outlet 12.

Specifically, the valve body 10 is provided with a first pressure relief channel 13 and a second pressure relief channel 14 which are intersected, two opposite ends of the first pressure relief channel 13 are respectively provided with an air inlet 11 and an air outlet 12, and the first pressure relief channel 13 can be communicated with the second pressure relief channel 14 through the opened air outlet 12. In the pressure relief process, the air flow enters the first pressure relief channel 13 from the air inlet 11, rushes off the adjusting mechanism 30 at the air outlet 12, enters the second pressure relief channel 14 from the opened air outlet 12, and finally flows to the outside. Optionally, a sensor is provided in the second pressure relief passage 14 to detect the pressure of the air flow exiting the vent 12.

Further, the adjustment mechanism 30 is disposed on the valve body 10 opposite to the exhaust port 12. After the first pressure relief channel 13 and the second pressure relief channel 14 are arranged in an intersecting manner, a mounting position can be reserved for the adjusting mechanism 30, so that the adjusting mechanism 30 is abutted against the exhaust port 12 relative to the first pressure relief channel 13, and the function of self-adjusting prepressing force is realized.

In some embodiments, the number of the second pressure relief passages 14 is multiple, and multiple second pressure relief passages 14 are arranged at intervals along the circumferential direction of the end of the first pressure relief passage 13 where the exhaust port 12 is arranged, and all the second pressure relief passages can be communicated with the first pressure relief passage 13 through the opened exhaust port 12. The air flow in the first pressure release path 13 passes through the exhaust port 12 and is then discharged to the outside through the plurality of second pressure release paths 14. Alternatively, the second pressure relief channel 14 includes two oppositely disposed second pressure relief channels 14, each second pressure relief channel 14 is perpendicular to the first pressure relief channel 13, and the adjusting mechanism 30 is disposed at an intersection of the first pressure relief channel 13 and the second pressure relief channel 14, and applies pre-pressure to the exhaust port 12 on the first pressure relief channel 13.

Further, the valve body 10 is formed with a mounting passage 15, the adjusting assembly 34 is disposed in the mounting passage 15, and the adjusting member 341 is threadedly coupled to an inner wall of the mounting passage 15. Alternatively, the mounting channel 15 is opposite to the first pressure relief channel 13 and is communicated with the exhaust port 12 of the first pressure relief channel 13, so that after the adjusting assembly 34 is arranged in the mounting channel 15, the adjusting assembly 34 can be opposite to the exhaust port 12 to apply pre-pressure to the exhaust port 12.

In some embodiments, the pressure valve 100 further comprises a filter assembly 50, and the filter assembly 50 is coupled to the valve body 10 at the air inlet 11. When the pressure valve 100 is depressurized, the air flow is filtered by the filter assembly 50 and then enters the valve body 10, so as to prevent impurities from entering the valve body 10 and blocking the exhaust port 12.

Further, the filter assembly 50 includes a first filter element 52 and a second filter element 54 coupled to each other and enclosing to form a filter cavity 51, one of the first filter element 52 and the second filter element 54 is provided with a filter inlet 53 communicating with the filter cavity 51, and the other of the first filter element 52 and the second filter element 54 is provided with a filter outlet 55 communicating with the filter cavity 51 and the air inlet 11. When the pressure relief operation is performed, the air flow in the pot firstly passes through the filtering inlet 53 and the filtering outlet 55 for two times of filtering and then enters the valve body 10, and the filtering effect of the filtering component 50 is better.

Specifically, the filtering inlet 53 is larger than the filtering outlet 55, so that the non-dissolved large particulate matters are blocked in the pot through the filtering inlet 53, and the non-dissolved small particulate matters are blocked in the pot through the filtering outlet 55, thereby realizing multiple fine filtering and protecting the pressure valve 100.

In an embodiment of the present invention, a cooking device is further provided, which comprises a pot body, a cover body which can be opened and closed relative to the pot body, and the pressure valve 100, wherein the pressure valve 100 is disposed on the cover body. When the pressure relief is carried out during cooking, the pre-pressure of the pressure valve 100 on the exhaust port 12 can be reduced, the pressure relief flow is increased, the pressure relief speed is increased, the rapid pressure relief and the cover opening are realized, and the overlong waiting time during the cover opening of a user is avoided. Meanwhile, the pre-pressure control can be controlled within a reasonable range, so that potential safety hazards caused by too fast pressure relief due to too small pre-pressure are prevented, and the pressure relief can be safely and quickly carried out.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A pressure valve, comprising:

one end of the valve body (10) can be communicated with the closed space, and the other end is provided with an exhaust port (12);

an adjustment mechanism (30) comprising a closure (32) and an adjustment assembly (34);

wherein the closure has a pre-compressed state closing the vent (12) and a vented state allowing the vent (12) to open; the adjusting assembly (34) is used for controllably changing the exhaust gap between the blocking piece (32) and the exhaust port (12) according to the relation between the actual exhaust pressure of the exhaust port (12) and a preset value when the blocking piece (32) is in an exhaust state.

2. The pressure valve of claim 1, further comprising a controller and a sensor for detecting an actual exhaust pressure of the exhaust port (12);

the controller controls the adjustment assembly (34) to increase the exhaust gap when the actual exhaust pressure is less than a preset value; the controller controls the adjusting mechanism (30) to reduce the exhaust gap when the actual exhaust pressure is greater than a preset value.

3. A pressure valve according to claim 1, characterized in that the closure (32) is movably arranged at the outlet opening (12), and that the adjustment assembly (34) is controlled to apply an adjustable spring force to the closure (32) towards the outlet opening (12).

4. A pressure valve according to claim 3, characterized in that the adjustment assembly (34) comprises an adjustment member (341) and an elastic member (343), the adjustment member (341) being movably arranged within the valve body (10) in a direction towards and away from the closure member (32), the elastic member (343) abutting between the adjustment member (341) and the closure member (32) and exerting the elastic force on the closure member (32).

5. A pressure valve according to claim 4, characterized in that the adjustment mechanism (30) further comprises a drive member (36), the output of the drive member (36) being connected to the adjustment member (341), the adjustment member (341) being movable towards and away from the closure member (32) upon actuation of the drive member (36).

6. A pressure valve according to claim 4, characterized in that the adjusting member (341) is screw-fitted to the valve body (10).

7. A pressure valve according to claim 3, characterized in that the adjusting mechanism (30) further comprises a sealing element, which is arranged around the closure (32).

8. A pressure valve according to any one of claims 1-7, characterized in that the adjusting mechanism (30) is arranged in the valve body (10) opposite to the exhaust port (12), the valve body (10) is provided with a first pressure relief channel (13) and a second pressure relief channel (14) which are intersected, the first pressure relief channel (13) is provided with the exhaust port (12) and can be communicated with the second pressure relief channel (14) through the opened exhaust port (12).

9. The pressure valve according to claim 1, further comprising a filter assembly (50), wherein the valve body (10) is opened with an air inlet (11) communicated with the air outlet (12), and the filter assembly (50) is coupled to the air inlet (11).

10. A pressure valve according to claim 9, wherein the filter assembly (50) comprises a first filter element (52) and a second filter element (54) coupled to each other and enclosing a filter chamber (51), one of the first filter element (52) and the second filter element (54) defining a filter inlet (53) communicating with the filter chamber (51), and the other of the first filter element (52) and the second filter element (54) defining a filter outlet (55) communicating the filter chamber (51) with the inlet (11).

11. A cooking appliance, comprising a pot body, a cover body which is openably and closably arranged relative to the pot body, and the pressure valve (100) of any one of the preceding claims 1 to 10, wherein the pressure valve (100) is arranged on the cover body.