CN111706702A

CN111706702A - Pressure valve and cooking device

Info

Publication number: CN111706702A
Application number: CN202010579544.3A
Authority: CN
Inventors: 林奇; 李国保; 李星; 周飞; 王善贵
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2020-09-25
Anticipated expiration: 2040-06-23
Also published as: CN111706702B

Abstract

The invention discloses a pressure valve and a cooking device, the pressure valve comprises a valve seat, a valve core, an elastic part and an adjusting component, wherein the valve seat is provided with a containing cavity, and an air inlet hole and an air outlet hole which are respectively communicated with the containing cavity, the air inlet hole and the air outlet hole are arranged at intervals along the length direction of the containing cavity, the valve core is movably arranged in the containing cavity so as to ensure that the air inlet hole is communicated with or disconnected from the air outlet hole, the moving direction of the valve core is consistent with the length direction of the containing cavity, the elastic part is arranged in the containing cavity, one end of the elastic part is connected with the valve core, the adjusting component is arranged. When the opening pressure of the pressure valve needs to be adjusted, the external force drives the adjusting assembly to drive the valve core to move towards the direction close to or away from the exhaust hole through the elastic part, so that the opening pressure of the pressure valve is adjustable, and the cooking range of the cooking device is enlarged.

Description

Pressure valve and cooking device

Technical Field

The invention relates to the technical field of cooking equipment, in particular to a pressure valve. The invention also relates to a cooking device.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

Cooking device (for example steam ager or steaming oven etc.) is equipped with the culinary art chamber usually, in order to improve cooking device's culinary art performance, sets up steam generation subassembly on cooking device, steam generation subassembly is through letting in the culinary art intracavity with high temperature steam to the realization is to the steaming of culinary art intracavity food, sets up the pressure valve at the gas vent in culinary art chamber, and steam is discharged when the pressure of culinary art intracavity reaches the cracking pressure of pressure valve, thereby makes the culinary art intracavity have certain pressure, with the effect of steaming of improvement food.

In the prior art, the opening pressure of the pressure valve is fixed, namely the steam pressure in the cooking cavity is fixed, so that the cooking range of the cooking device is limited.

Disclosure of Invention

The invention aims to at least solve the problem of how to realize the adjustable opening pressure of the pressure valve so as to increase the cooking range of the cooking device. The purpose is realized by the following technical scheme:

a first aspect of the present invention proposes a pressure valve for a cooking apparatus, the pressure valve comprising:

the valve seat is provided with a cavity, and an air inlet hole and an air outlet hole which are respectively communicated with the cavity, and the air inlet hole and the air outlet hole are arranged at intervals along the length direction of the cavity;

the valve core is movably arranged in the containing cavity so as to enable the air inlet hole to be communicated with or disconnected from the air outlet hole, and the moving direction of the valve core is consistent with the length direction of the containing cavity;

the elastic piece is arranged in the containing cavity, and one end of the elastic piece is connected with the valve core;

the adjusting component is arranged on the valve seat, and is connected with the other end of the elastic piece and used for adjusting the opening pressure of the valve core.

According to the pressure valve of the invention, when the pressure valve is used for a cooking device, an air inlet hole of a valve seat is communicated with a cooking cavity of the cooking device, when the pressure of the air inlet hole and the pressure of an air outlet hole are the same in an initial state, a valve core is positioned at a position between the air inlet hole and the air outlet hole, due to the obstruction of the valve core, the air inlet hole and the air outlet hole cannot be communicated through the cavity, namely the air inlet hole and the air outlet hole are in a disconnected state, a steam generating assembly of the cooking device introduces high-temperature steam into the cooking cavity, the pressure in the cooking cavity is gradually increased along with the increase of the introduction amount of the high-temperature steam, the pressure of the air inlet hole is increased, the valve core moves along the length direction of the cavity along with the increase of the pressure of the air inlet hole, an elastic element, steam can be discharged through the air inlet, the containing cavity and the exhaust hole, and after the pressure of the air inlet is reduced, the valve core moves reversely along the length direction of the containing cavity under the action of the elastic piece and is blocked between the air inlet and the exhaust hole again, so that the air inlet and the exhaust hole are in a disconnected state again.

When the opening pressure of the pressure valve needs to be adjusted, the external force drives the adjusting assembly to drive the valve core to move towards the direction close to or away from the exhaust hole through the elastic part, when the valve core is close to the air inlet hole, the valve core moves to enable the stroke of the communication between the air inlet hole and the exhaust hole to be increased, namely, the elastic force of the elastic part needs to be overcome when the valve core is opened, so that the opening pressure of the pressure valve is increased, when the valve core is far away from the air inlet hole, the valve core moves to enable the stroke of the communication between the air inlet hole and the exhaust hole to be reduced, namely, the elastic force of the elastic part needs to be overcome when the valve core is opened is reduced, so that the opening pressure of the pressure.

In addition, the pressure valve according to the invention may also have the following additional technical features:

in some embodiments of the invention, the adjustment assembly comprises:

a driver rotatably disposed on the valve seat;

the transmission part is arranged in the containing cavity and is in transmission connection with the driving part, and the other end of the elastic part is connected with the transmission part.

In some embodiments of the present invention, the driving member includes a cylindrical portion, the cylindrical portion is disposed in the cavity, a protrusion is disposed on an inner wall of the cylindrical portion, the driving member includes a cylindrical portion, a sliding groove is disposed on an outer side surface of the cylindrical portion, the sliding groove is spirally disposed along a circumferential direction of the outer side surface, the cylindrical portion is rotatably sleeved on an outer side of the cylindrical portion, and the protrusion is engaged with the sliding groove and can move relative to the sliding groove.

In some embodiments of the present invention, the driving member further includes a plate portion connected to the column portion, the plate portion is provided with a guide groove, the valve seat includes a guide portion, the guide portion is disposed in the cavity and is disposed along a length direction of the cavity, and the guide groove is engaged with the guide portion.

In some embodiments of the present invention, the valve seat is further provided with a mounting hole communicated with the cavity, the driving member further includes a dial wheel portion, an outer diameter of the dial wheel portion is larger than a diameter of the mounting hole, the dial wheel portion is disposed outside the valve seat, and the cylindrical portion penetrates through the mounting hole and is connected with the dial wheel portion.

In some embodiments of the present invention, the adjusting assembly further includes a limiting member, the limiting member is sleeved outside the dial wheel portion and is spaced apart from the dial wheel portion, the limiting member is connected to the valve seat, the limiting member is provided with a first flange, the first flange extends to a radial inner side of the dial wheel portion, the dial wheel portion is provided with a second flange, the second flange extends to a radial outer side of the dial wheel portion, and two opposite sides of the first flange along a circumferential direction of the dial wheel portion are respectively used for abutting against the second flange to control a rotation stroke of the dial wheel portion.

In some embodiments of the present invention, the adjusting assembly further includes a lock member and an end cover having a long hole, the end cover is sleeved outside the dial wheel portion and is disposed at an interval with the dial wheel portion, the end cover is matched with the limiting member and/or the valve seat, the lock member includes an operating portion and a clamping portion, the clamping portion is disposed between the limiting member and the end cover, the operating portion extends through the long hole, the dial wheel portion is circumferentially provided with a plurality of clamping blocks at intervals, the lock member can move in a direction close to the dial wheel portion to enable the clamping portion to be clamped and matched with any one of the clamping blocks, or the lock member can move in a direction away from the dial wheel portion to enable the clamping portion to be released from clamping and matching with any one of the clamping blocks.

In some embodiments of the present invention, the dial wheel portion is provided with a plurality of convex edges, and each convex edge is radially disposed on a side surface of the dial wheel portion away from the cavity.

In some embodiments of the present invention, the pressure valve further comprises a seal disposed on the valve element and sandwiched between the valve element and an inner wall of the receptacle;

and/or the pressure valve further comprises a connecting piece, one end of the connecting piece is communicated with the air inlet hole, and the other end of the connecting piece is used for being communicated with the cooking cavity of the cooking device.

A second aspect of the present invention provides a cooking apparatus, comprising:

the refrigerator comprises a refrigerator body, a heating device and a control device, wherein the refrigerator body is provided with a cooking cavity;

a pressure valve according to the above, said pressure valve being in communication with said cooking chamber;

the steam generation assembly is arranged on the box body and used for providing high-temperature steam for the cooking cavity.

According to the cooking device, the air inlet hole of the valve seat of the pressure valve is communicated with the cooking cavity of the cooking device, when the pressure of the air inlet hole and the pressure of the air outlet hole are the same in the initial state, the valve core is positioned at a position between the air inlet hole and the air outlet hole, due to the obstruction of the valve core, the air inlet hole and the air outlet hole cannot be communicated through the cavity, namely the air inlet hole and the air outlet hole are in a disconnected state, the steam generating assembly of the cooking device introduces high-temperature steam into the cooking cavity, the pressure in the cooking cavity gradually rises along with the increase of the introduction amount of the high-temperature steam, the pressure of the air inlet hole increases at the moment, the valve core moves along the length direction of the cavity along with the increase of the pressure of the air inlet hole, the elastic element is gradually compressed, when the, steam can be discharged through the air inlet, the containing cavity and the exhaust hole, and after the pressure of the air inlet is reduced, the valve core moves reversely along the length direction of the containing cavity under the action of the elastic piece and is blocked between the air inlet and the exhaust hole again, so that the air inlet and the exhaust hole are in a disconnected state again.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows a structural view of a pressure valve according to an embodiment of the invention;

FIG. 2 is a cross-sectional view of the pressure valve shown in FIG. 1;

FIG. 3 is a schematic exploded view of the pressure valve shown in FIG. 1;

FIG. 4 is a schematic illustration of a latch member of the pressure valve of FIG. 3;

FIG. 5 is a schematic illustration of a drive member of the pressure valve shown in FIG. 3;

FIG. 6 is a schematic view of the driving member shown in FIG. 5 from another perspective;

FIG. 7 is a schematic illustration of the pressure valve of FIG. 1 with the actuator in an unlocked state;

FIG. 8 is a schematic illustration of the pressure valve of FIG. 1 with the driver in a locked condition;

FIG. 9 is a schematic illustration of the pressure valve of FIG. 1 with the driver in a first stroke position;

FIG. 10 is a structural schematic diagram of the driver of the pressure valve of FIG. 1 in a second stroke position;

FIG. 11 is a schematic structural view of the pressure valve shown in FIG. 2 in an initial state;

FIG. 12 is a schematic illustration of the pressure valve of FIG. 2 in an adjusted state;

FIG. 13 is a schematic illustration of the pressure valve of FIG. 2 in an equilibrium state;

FIG. 14 is a schematic illustration of the pressure valve of FIG. 2 in an over-pressure condition;

fig. 15 schematically shows a structural view of a cooking apparatus according to an embodiment of the present invention.

The reference numbers are as follows:

100 is a cooking device;

10 is a box body;

20 is a pressure valve;

201 is an end cover, 2011 is a long hole;

202 is a locking piece, 2021 is a control part, 2022 is a clamping part;

203 is a limiting member, 2031 is a first flange;

204 is a driving piece, 2041 is a cylindrical part, 2042 is a dial wheel part, 2043 is a fixture block, 2044 is a second flange, 2045 is a convex edge, and 2046 is a protrusion;

205 is a valve seat, 2051 is an exhaust hole, 2052 is a guide part, 2053 is an installation hole, 2054 is a cavity, 2055 is an air inlet hole;

206 is a transmission piece, 2061 is a column-shaped part, 20611 is a sliding groove, 2062 is a plate-shaped part, 20621 is a guide groove;

207 is an elastic member;

208 is a seal;

209 is a valve core;

210 is a connector.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 14, according to an embodiment of the present invention, a pressure valve 20 is provided for a cooking device 100, the pressure valve 20 includes a valve seat 205, a valve element 209, an elastic element 207, and an adjusting assembly, the valve seat 205 is provided with a cavity 2054, and an air inlet port 2055 and an air outlet port 2051 respectively communicated with the cavity 2054, the air inlet port 2055 and the air outlet port 2051 are arranged at intervals along a length direction of the cavity 2054, the valve element 209 is movably disposed in the cavity 2054, so that the air inlet port 2055 is communicated with or disconnected from the air outlet port 2051, a moving direction of the valve element 209 is consistent with the length direction of the cavity 2054, the elastic element 207 is disposed in the cavity 2054, one end of the elastic element 207 is connected to the valve element 209, the adjusting assembly is disposed on the valve seat 205, and the adjusting assembly is connected to the other end.

Specifically, when the pressure valve 20 is used in the cooking device 100, the air inlet 2055 of the valve seat 205 is communicated with a cooking cavity of the cooking device 100, when in an initial state, the pressures of the air inlet 2055 and the air outlet 2051 are the same, the valve core 209 is located at a position where the cavity 2054 is located between the air inlet 2055 and the air outlet 2051, due to the blockage of the valve core 209, the air inlet 2055 and the air outlet 2051 cannot be communicated through the cavity 2054, that is, the air inlet 2055 and the air outlet 2051 are in a disconnected state, the steam generating component of the cooking device 100 introduces high-temperature steam into the cooking cavity, the pressure in the cooking cavity gradually increases with the increase of the introduction amount of the high-temperature steam, at this time, the pressure of the air inlet 2055 increases, along with the increase of the pressure of the air inlet 2055, the valve core 209 moves along the length direction of the cavity 2054, the elastic element 207 is gradually compressed, and when the valve, that is, the air inlet hole 2055 and the air outlet hole 2051 are in an open state, steam can be discharged through the air inlet hole 2055, the cavity 2054 and the air outlet hole 2051, and after the pressure of the air inlet hole 2055 is reduced, the valve element 209 moves reversely along the length direction of the cavity 2054 under the action of the elastic element 207 and blocks between the air inlet hole 2055 and the air outlet hole 2051 again, so that the air inlet hole 2055 and the air outlet hole 2051 are in a disconnected state again.

When the opening pressure of the pressure valve 20 needs to be adjusted, the external force drives the adjusting assembly to drive the valve core 209 to move towards the direction close to or away from the exhaust hole 2051 through the elastic element 207, when the valve core 209 is close to the air inlet hole 2055, the valve core 209 moves to enable the stroke of the communication between the air inlet hole 2055 and the exhaust hole 2051 to be increased, namely, when the valve core 209 is opened, the elastic force of the elastic element 207 needs to be overcome to be increased, so that the opening pressure of the pressure valve 20 is increased, when the valve core 209 is far away from the air inlet hole 2055, the stroke of the communication between the air inlet hole 2055 and the exhaust hole 2051 is reduced, namely, when the valve core 209 is opened, the elastic force of the elastic element 207 needs to be overcome to be reduced, so that the opening pressure of the pressure valve 20 is reduced.

It should be understood that, as shown in fig. 2, in the present application, the length direction of the cavity 2054 is a distance of the cavity 2054 along the up-down direction of fig. 2, the adjusting assembly is located on the upper portion of the valve element 209, the elastic member 207 is disposed between the valve element 209 and the adjusting assembly, and through adjustment of the adjusting assembly, the elastic member 207 drives the valve element 209 to move toward or away from the air inlet hole 2055, so as to adjust the opening pressure of the valve element 209, and thus adjust the opening pressure of the pressure valve 20.

It should be noted that, as shown in fig. 2, the air inlet port 2055 and the air outlet port 2051 are arranged at intervals along the height direction of the valve seat 205, the valve element 209 is of a plate-shaped or columnar structure, the outer surface of the valve element 209 is tightly attached to the inner wall of the cavity 2054, air leakage at two sides of the valve element 209 is avoided, and the valve element 209 moves along the length direction of the cavity 2054, so that the air inlet port 2055 is communicated with or disconnected from the air outlet port 2051, the overall structure is simple, and the manufacturing cost is low.

In addition, the elastic member 207 is an elastic element such as an elastic sheet or a spring, and in the present application, the elastic member 207 is a spring, one end of the spring is connected to the adjusting assembly, the other end of the spring is connected to the valve element 209, and when the adjusting assembly is adjusted, the spring can drive the valve element 209 to move, so that the opening pressure of the pressure valve 20 is adjusted, and the cooking range of the cooking device 100 is increased.

In addition, the number of exhaust holes 2051 is a plurality of, and each exhaust hole 2051 is arranged along the circumference interval of valve seat 205 to each exhaust hole 2051 is located same circumference with the intercommunication position that holds chamber 2054, and when case 209 removed along holding chamber 2054, can realize the intercommunication or the disconnection of a plurality of exhaust holes 2051 with inlet port 2055 simultaneously, thereby improved carminative speed, guaranteed cooking device 100's culinary art effect.

It will be further appreciated that, as shown in figures 1 to 3, the adjustment assembly comprises a drive member 204 and a transmission member 206, the drive member 204 being rotatably disposed on the valve seat 205, the transmission member 206 being disposed within the housing 2054 and being drivingly connected to the drive member 204, the other end of the resilient member 207 being connected to the transmission member 206. Specifically, the driving member 204 is disposed on the valve seat 205 and can rotate relative to the valve seat 205, two ends of the elastic member 207 are respectively connected to the valve element 209 and the transmission member 206, the driving member 204 is in transmission connection with the transmission member 206, when the opening pressure of the pressure valve 20 is adjusted, an external force acts on the driving member 204, so that the driving member 204 rotates relative to the valve seat 205, when the driving member 204 rotates, the driving member 204 drives the transmission member 206 to move, the movement of the transmission member 206 drives the elastic member 207 and the valve element 209 relative to the cavity 2054, so that the valve element 209 moves in a direction close to or far away from the air inlet 2055, thereby adjusting the opening pressure of the pressure valve 20 is realized, the adjusting assembly is simple in structure, the adjusting structure process is simple and fast, thereby improving convenience of a user in adjusting, and further enabling the cooking device 100 to meet different.

It should be noted that the driving member 204 can rotate relative to the valve seat 205, and when the driving member 204 rotates, the transmission member 206 connected to the driving member 204 in a transmission manner moves along the length direction of the cavity 2054, so as to drive the elastic member 207 and the valve element 209 to move, thereby effectively adjusting the opening pressure of the pressure valve 20.

Further, as shown in fig. 2, fig. 3, fig. 5, and fig. 6, the driving member 204 includes a cylindrical portion 2041, the cylindrical portion 2041 is disposed in the cavity 2054, a protrusion 2046 is disposed on an inner wall of the cylindrical portion 2041, the transmission member 206 includes a cylindrical portion 2061, a sliding groove 20611 is disposed on an outer side surface of the cylindrical portion 2061, the sliding groove 20611 is spirally disposed along a circumferential direction of the outer side surface, the cylindrical portion 2041 is rotatably sleeved on an outer side of the cylindrical portion 2061, and the protrusion 2046 is matched with the sliding groove 20611 and can move relative to the sliding groove 20611. Specifically, the open end of the cylindrical portion 2041 faces the valve element 209, the cylindrical portion 2061 is inserted into the cylindrical portion 2041 through the open end of the cylindrical portion 2041, the protrusion 2046 is slidably disposed in the sliding groove 20611, the cylindrical portion 2041 can rotate relative to the cylindrical portion 2061, when the opening pressure of the pressure valve 20 needs to be adjusted, the cylindrical portion 2041 rotates relative to the valve seat 205, the protrusion 2046 synchronously rotates with the cylindrical portion 2041 during the rotation of the cylindrical portion 2041, the sliding groove 20611 moves relative to the protrusion 2046 during the rotation of the protrusion 2046, and the cylindrical portion 2061 can move along the length direction of the cavity 2054, so as to drive the elastic element 207 and the valve element 209 to move, so that the valve element 209 moves in a direction close to or far away from the air inlet hole 2055, thereby adjusting the opening pressure of the pressure valve 20 is achieved, and the cooking range of the cooking device 100 is increased.

It should be noted that, the outer surface of the protrusion 2046 is a convex arc surface, and the inner surface of the sliding groove 20611 is a concave arc surface, so that when the protrusion 2046 and the sliding groove 20611 slide relatively, friction between the protrusion 2046 and the sliding groove 20611 can be reduced, the adjustment process is smoother, and convenience in the use process of a user is improved.

Further, as shown in fig. 2 and 3, the transmission member 206 further includes a plate-shaped portion 2062, the plate-shaped portion 2062 is connected to the column-shaped portion 2061, a guide groove 20621 is provided on the plate-shaped portion 2062, the valve seat 205 includes a guide portion 2052, the guide portion 2052 is provided in the cavity 2054 and is arranged along the length direction of the cavity 2054, and the guide groove 20621 is engaged with the guide portion 2052. Specifically, when the cylindrical portion 2041 rotates relative to the valve seat 205, the protrusion 2046 rotates synchronously with the cylindrical portion 2041, the protrusion 2046 enables the sliding groove 20611 to move relative to the protrusion 2046 in the rotation process, the sliding groove 20611 is spirally arranged along the circumferential direction of the outer side surface of the cylindrical portion 2061, the guide portion 2052 is arranged along the length direction of the cavity 2054 and is matched with the guide groove 20621 on the plate-shaped portion 2062, the rotation of the cylindrical portion 2061 is avoided, the cylindrical portion 2061 moves along the length direction of the cavity 2054, the elastic piece 207 and the valve core 209 are driven to move along the length direction of the cavity 2054, the valve core 209 moves towards or away from the air inlet holes 2055, the opening pressure of the pressure valve 20 is adjusted, and the cooking range of the cooking device 100 is enlarged.

It should be noted that the cavity 2054 is a cylindrical structure, and the diameter of the plate-shaped portion 2062 is slightly smaller than the diameter of the cavity 2054, so as to ensure the stability of the plate-shaped portion 2062 when moving relative to the cavity 2054, and further ensure that the opening pressure adjustment of the pressure valve 20 can be smoothly performed.

In addition, the number of the guide parts 2052 is multiple, each guide part 2052 is arranged at intervals along the circumferential direction of the cavity 2054, the number of the guide grooves 20611 is the same as that of the guide parts 2052, and the guide parts 2052 and the guide grooves 20611 are arranged correspondingly, so that the stability of the movement of the transmission piece 206 along the length direction of the cavity 2054 is further ensured.

Further, as shown in fig. 2 and 3, the valve seat 205 is further provided with a mounting hole 2053 communicated with the cavity 2054, the driving element 204 further includes a dial wheel portion 2042, an outer diameter of the dial wheel portion 2042 is larger than a diameter of the mounting hole 2053, the dial wheel portion 2042 is disposed outside the valve seat 205, and the cylindrical portion 2041 penetrates through the mounting hole 2053 to be connected with the dial wheel portion 2042. Specifically, the thumb wheel 2042 is arranged outside the valve seat 205, the cylindrical portion 2041 is arranged in the cavity 2054 of the valve seat 205, the cylindrical portion 2041 is connected with the thumb wheel 2042 through the mounting hole 2053, and a user can drive the thumb wheel 2042 to rotate, so that the cylindrical portion 2041 rotates relative to the valve seat 205, the transmission member 206, the elastic member 207 and the valve element 209 move in the length direction relative to the cavity 2054, and the valve element 209 moves in the direction close to or far away from the air inlet hole 2055, so that the opening pressure of the pressure valve 20 is adjusted, and the cooking range of the cooking device 100 is enlarged.

It should be noted that the mounting hole 2053 is coaxially disposed with the valve seat 205, and the driving member 204 formed by the dial portion 2042 and the cylindrical portion 2041 is coaxially disposed with the mounting hole 2053, so that the offset of the driving member 204 is avoided, and the smooth adjustment of the opening pressure of the pressure valve 20 is ensured.

Further, as shown in fig. 2, fig. 3, fig. 5, fig. 6, fig. 9 and fig. 10, the adjusting assembly further includes a limiting member 203, the limiting member 203 is sleeved outside the dial wheel portion 2042 and is disposed at an interval with the dial wheel portion 2042, the limiting member 203 is connected to the valve seat 205, the limiting member 203 is provided with a first flange 2031, the first flange 2031 extends to the radial inner side of the dial wheel portion 2042, the dial wheel portion 2042 is provided with a second flange 2044, the second flange 2044 extends to the radial outer side of the dial wheel portion 2042, and two opposite sides of the first flange 2031 along the circumferential direction of the dial wheel portion 2042 are respectively used for abutting against the second flange 2044, so as to control the rotation stroke of the dial wheel portion 2042. Specifically, the limiting member 203 is engaged with the valve seat 205, the limiting member 203 is provided with a through hole, the dial 2042 is inserted into the through hole, the outer surface of the dial 2042 is spaced apart from the through hole, the first flange 2031 is formed on the through hole and extends radially of the impeller, the second flange 2044 is disposed on the edge of the dial 2042 and extends in a direction close to the through hole, the first flange 2031 and the second flange 2044 are both disposed between the through hole and the dial 2042, and the first flange 2031 and the second flange 2044 can interfere with each other, as shown in fig. 9 and 10, when the impeller rotates relative to the valve seat 205, the second flange 2044 rotates with the dial 2042, when the second flange 2044 abuts against one side of the first flange 2031, the dial 2042 reaches one end point of the rotational stroke, and when the second flange 2044 abuts against the other side of the first flange 2031, the dial 2042 reaches the other end point of the rotational stroke, the distance between the two dead points is the rotation stroke of the dial wheel portion 2042, i.e., the adjustment stroke of the driving member 204, so that the adjustment range of the opening pressure of the pressure valve 20 is limited, and the effective control of the opening pressure of the pressure valve 20 is realized.

It should be pointed out that, can be connected through the mode of bonding, screw connection or joint between locating part 203 and the valve seat 205, in this application, be equipped with the pothook on locating part 203, be equipped with the card hole on the valve seat 205, go into the trompil through the pothook card and realized being connected of locating part 203 and valve seat 205, overall structure is simple, the assembly of being convenient for has effectively reduced the cost of manufacturing.

Further, as shown in fig. 2, fig. 3, fig. 4, fig. 7 and fig. 8, the adjusting assembly further includes a locking member 202 and an end cover 201 having a long hole 2011, the end cover 201 is sleeved outside the dial wheel portion 2042 and is spaced from the dial wheel portion 2042, the end cover 201 is matched with the limiting member 203 and/or the valve seat 205, the locking member 202 includes an operating portion 2021 and a clamping portion 2022, the clamping portion 2022 is disposed between the limiting member 203 and the end cover 201, the operating portion 2021 extends through the long hole 2011, the dial wheel portion 2042 is circumferentially spaced from a plurality of clamping blocks 2043, the locking member 202 can move in a direction close to the dial wheel portion 2042 to enable the clamping portion 2022 to be clamped and matched with any one of the clamping blocks 2043, or the locking member 202 can move in a direction away from the dial wheel portion 2042 to enable the clamping portion 2022 to be released from being clamped and matched with any one of. Specifically, a through hole is formed in the end cover 201, a part of the body of the thumb wheel 2042 passes through the through hole, the end cover 201 is disposed on one side of the limiting member 203 away from the valve seat 205, the end cover 201 can be connected and matched with the limiting member 203 and/or the valve seat 205 to achieve fixation of the end cover, the latch 2043 disposed on the thumb wheel 2042 is disposed between the end cover 201 and the limiting member 203, the holding portion 2022 of the locking member 202 is movably disposed between the end cover 201 and the limiting member 203, and the manipulation portion 2021 of the locking member 202 extends out through a long hole 2011 of the end cover 201, as shown in fig. 8, when the pressure valve 20 does not need to be adjusted, the thumb wheel 2042 is locked, the manipulation portion 2021 is driven by external force to move along the length direction of the long hole 2011, the movement driving portion 2022 of the manipulation portion 2021 moves in a direction close to the latch 2043, and when the holding portion 2022 is matched with the latch 2043, the holding, as shown in fig. 7, when the pressure valve 20 needs to be adjusted, the thumb wheel 2042 is unlocked, the operation portion 2021 is driven by external force to move in the opposite direction (the direction opposite to the locking direction) along the length direction of the long hole 2011, the movement of the operation portion 2021 drives the retaining portion 2022 to move in the direction away from the retaining block 2043, and when the retaining portion 2022 is separated from the retaining block 2043, the thumb wheel 2042 can rotate relative to the valve seat 205. Through the arrangement of the locking piece 202, the situation that the opening pressure of the adjusted pressure valve 20 is changed due to the influence of external factors (vibration or misoperation and the like) is avoided, and the opening pressure after adjustment is effectively kept.

It should be pointed out that, card portion 2022 can draw-in groove or joint etc. is held to the card, and in this application, card portion 2022 is the draw-in groove, and the shape of this draw-in groove and the shape looks adaptation of fixture block 2043, after fixture block 2043 got into the draw-in groove, has realized driving piece 204's locking promptly, after fixture block 2043 separated with the draw-in groove, has realized driving piece 204's unblock promptly to the locking intensity and the effect of driving piece 204 have been guaranteed.

Further, as shown in fig. 1 to fig. 3, the wheel shifting portion 2042 is provided with a plurality of ribs 2045, and each rib 2045 is radially disposed on a side of the wheel shifting portion 2042 away from the cavity 2054. Specifically, the user realizes the drive to driving piece 204 through drive thumb wheel portion 2042, through setting up a plurality of beads 2045, has increased the frictional force on thumb wheel portion 2042 surface, has improved the convenience in the user's use, and then has improved the convenience that pressure valve 20 opened the pressure and has adjusted.

Further, as shown in fig. 2 and 3, the pressure valve 20 further includes a sealing member 208, and the sealing member 208 is disposed on the valve core 209 and is sandwiched between the valve core 209 and the inner wall of the cavity 2054. Specifically, by arranging the sealing element 208, the spaces of the cavity 2054 located at the two sides of the valve core 209 can be effectively isolated, the condition that the spaces of the cavity 2054 located at the two sides of the valve core 209 are communicated is avoided, and the pressure maintaining effect of the pressure valve 20 on the cooking cavity of the cooking device 100 is further ensured.

It should be pointed out that sealing member 208 is rubber circle or silica gel circle, and in this application, sealing member 208 is the silica gel circle, and the high temperature resistant of silica gel circle has avoided the adverse effect that high temperature caused sealing member 208.

Specifically, as shown in fig. 1 to 3, the pressure valve 20 further includes a connector 210, one end of the connector 210 is communicated with the air intake hole 2055, and the other end of the connector 210 is used to communicate with the cooking cavity of the cooking apparatus 100. When pressure valve 20 is used for cooking device 100, pressure valve 20's inlet port 2055 passes through connecting piece 210 and culinary art chamber intercommunication, through setting up connecting piece 210 for pressure valve 20 is more reasonable in the overall arrangement on cooking device 100 (keep away from the one side setting of user, has avoided the steam discharge in-process to appear scalding the user's the condition), has guaranteed the security that the user used.

It should be pointed out that connecting piece 210 is hard pipeline or flexible pipeline etc. in this application, and connecting piece 210 is flexible pipeline such as silicone tube, and the flexible pipeline is convenient for arranging of pipeline, has improved the flexibility that the pipeline was arranged for assembly efficiency has obtained the promotion.

As shown in fig. 11 to 14, when the pressure valve 20 in the present embodiment is used in the cooking device 100, the pressure valve 20 is disposed on the cooking device 100 and is communicated with the cooking cavity of the cooking device 100, as shown in fig. 11, the pressure valve 20 is in an initial state, the valve core 209 is located above the open position of the exhaust hole 2051, in this state, the exhaust hole 2051 is communicated with the air inlet hole 2055 through the cavity 2054, that is, the cooking cavity is communicated with the atmosphere, and the steam pressure in the cooking cavity is equal to the atmospheric pressure; as shown in fig. 12, when the internal pressure of the cooking cavity needs to be controlled, the limiting member 203 releases the locking of the driving member 204, and the driving member 204 is controlled, so that the driving member 206 moves downward (in a direction close to the air inlet 2055) along the length direction of the cavity 2054, at this time, the valve core 209 is located below the position where the air outlet 2051 is opened, the limiting member 203 locks the driving member 204, in this state, a sealing structure is formed inside the cooking cavity, the upper side of the valve core 209 is communicated with the atmosphere, and the pressure is equal to the atmospheric pressure; after the cooking device 100 starts to work, as shown in fig. 13, as the pressure inside the cooking cavity increases, the steam inside the cooking cavity pushes the valve plug 209 to move upwards against the resistance of the elastic member 207 until the elastic member 207 is equal to the pressure difference between the upper part and the lower part of the valve plug 209; as shown in fig. 14, as the steam pressure inside the cooking cavity continues to increase, the valve core 209 is pushed above the opening position of the vent hole 2051, at this time, the air inlet hole 2055 is communicated with the atmosphere through the cavity 2054 and the vent hole 2051, and the pressure difference is equal to the elastic force of the elastic element 207; then the pressure in the cooking chamber is rapidly reduced, the pressure difference is smaller than the elastic force of the elastic element 207, and the valve core 209 returns to the position below the opening position of the exhaust hole 2051 again, and the state is returned to the state shown in fig. 11.

As shown in fig. 1 to 14, the present invention further provides a cooking apparatus 100, wherein the cooking apparatus 100 includes a box 10, a pressure valve, the box 10 is provided with a cooking cavity and a steam generating assembly, the pressure valve is a pressure valve 20 as described above, the pressure valve 20 is communicated with the cooking cavity, and the steam generating assembly is provided in the box 10 and is used for providing high-temperature steam to the cooking cavity.

Specifically, an air inlet 2055 of the valve seat 205 of the pressure valve 20 is communicated with a cooking cavity of the cooking device 100, when the pressure of the air inlet 2055 is the same as that of the air outlet 2051 in an initial state, the valve element 209 is located at a position where the cavity 2054 is located between the air inlet 2055 and the air outlet 2051, due to the blocking of the valve element 209, the air inlet 2055 cannot be communicated with the air outlet 2051 through the cavity 2054, that is, the air inlet 2055 is disconnected from the air outlet 2051, the steam generating assembly of the cooking device 100 introduces high-temperature steam into the cooking cavity, the pressure in the cooking cavity gradually increases with the increase of the introduction amount of the high-temperature steam, at this time, the pressure of the air inlet 2055 increases, along the length direction of the cavity 2054 moves along with the increase of the pressure of the air inlet 2055, the elastic element 207 is gradually compressed, when the valve element 209 passes through the opening position of the air, that is, the air inlet hole 2055 and the air outlet hole 2051 are in an open state, steam can be discharged through the air inlet hole 2055, the cavity 2054 and the air outlet hole 2051, and after the pressure of the air inlet hole 2055 is reduced, the valve element 209 moves reversely along the length direction of the cavity 2054 under the action of the elastic element 207 and blocks between the air inlet hole 2055 and the air outlet hole 2051 again, so that the air inlet hole 2055 and the air outlet hole 2051 are in a disconnected state again.

In addition, the cooking device is a steam box or a steam oven, and other structures of the cooking device are referred to the prior art, and are not described herein again.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A pressure valve for a cooking device, the pressure valve comprising:

2. The pressure valve of claim 1, wherein the adjustment assembly comprises:

a driver rotatably disposed on the valve seat;

3. The pressure valve according to claim 2, wherein the driving member includes a cylindrical portion, the cylindrical portion is disposed in the cavity, a protrusion is disposed on an inner wall of the cylindrical portion, the driving member includes a cylindrical portion, a sliding groove is disposed on an outer side surface of the cylindrical portion, the sliding groove is spirally disposed along a circumferential direction of the outer side surface, the cylindrical portion is rotatably fitted on an outer side of the cylindrical portion, and the protrusion is engaged with the sliding groove and is capable of moving relative to the sliding groove.

4. The pressure valve as claimed in claim 4, wherein the transmission member further comprises a plate portion connected to the column portion, the plate portion having a guide groove, the valve seat including a guide portion disposed in the cavity and along a length direction of the cavity, the guide groove being engaged with the guide portion.

5. The pressure valve as claimed in claim 3, wherein the valve seat further has a mounting hole communicating with the receiving chamber, the driving member further includes a dial portion, an outer diameter of the dial portion is larger than a diameter of the mounting hole, the dial portion is disposed outside the valve seat, and the cylindrical portion passes through the mounting hole and is connected to the dial portion.

6. The pressure valve of claim 5, wherein the adjusting assembly further comprises a limiting member, the limiting member is installed on the outer side of the dial wheel portion and is spaced from the dial wheel portion, the limiting member is connected to the valve seat, a first flange is disposed on the limiting member, the first flange extends to the radial inner side of the dial wheel portion, a second flange is disposed on the dial wheel portion, the second flange extends to the radial outer side of the dial wheel portion, and the first flange is used for abutting against the second flange respectively along the two opposite sides of the circumferential direction of the dial wheel portion to control the rotation stroke of the dial wheel portion.

7. The pressure valve of claim 6, wherein the adjusting assembly further comprises a locking member and an end cover having a long hole, the end cover is mounted on the outer side of the dial wheel portion and spaced from the dial wheel portion, the end cover is engaged with the limiting member and/or the valve seat, the locking member comprises a control portion and a clamping portion, the clamping portion is disposed between the limiting member and the end cover, the control portion extends out of the long hole, the dial wheel portion is provided with a plurality of clamping blocks along the circumferential direction thereof, the locking member can move in a direction close to the dial wheel portion to enable the clamping portion to be engaged with any one of the clamping blocks, or the locking member can move in a direction away from the dial wheel portion to enable the clamping portion to be disengaged from any one of the clamping blocks.

8. A pressure valve according to any one of claims 5 to 7, wherein the dial portion is provided with a plurality of ribs, each of the ribs being provided radially on a side of the dial portion remote from the chamber.

9. The pressure valve according to any one of claims 1 to 7, further comprising a seal disposed on said valve element and sandwiched between said valve element and an inner wall of said receptacle;

10. A cooking device, characterized in that it comprises:

a pressure valve according to any one of claims 1 to 9 in communication with the cooking chamber;