CN213721399U - Pressure limiting valve and pressure cooker - Google Patents

Abstract

The application relates to the technical field of cooking utensils, especially, relate to a pressure limiting valve and pressure cooker, include: the pot body, pot cover, valve body and depression bar subassembly. Wherein, the pot cover is covered on the pot body, the pot cover is provided with an exhaust port, the valve body is arranged at the exhaust port, the pressure lever component is rotatably connected on the pot cover, and the pressure lever component is connected with the valve body. The valve body is sealed in the exhaust port when the pressure lever assembly is not pressed, and a gap is formed between the valve body and the exhaust port and the valve body is not separated from the exhaust port when the pressure lever assembly is pressed. Compared with the prior art, the steam in the pot of the pressure cooker can be quickly discharged by pressing the pressure lever component, and the foodstuff soup in the pot can not be splashed out. Meanwhile, the user does not need to pull out and insert the valve body by hands, and the risk that the user is scalded by high-temperature steam in the pot is further avoided.

Description

Pressure limiting valve and pressure cooker

Technical Field

The application relates to the technical field of cookers, in particular to a pressure limiting valve and a pressure cooker.

Background

With the improvement of the living standard of people, the pressure cooker is an indispensable cooker in daily life and is more and more widely applied. In the prior art, the pressure cooker is provided with the pressure limiting valve on the cooker cover, after food cooking is finished, a user needs to wait for a long time to cool the pressure cooker, so that the cooker cover can be opened after the pressure inside the pressure cooker is reduced to atmospheric pressure, the cooking efficiency of the user is undoubtedly reduced, and inconvenience is brought to the user. If the user directly takes off the pressure limiting valve to quickly reduce the air pressure in the cooker, food soup in the pressure cooker can be splashed out, thereby bringing bad experience to the user.

Therefore, there is a need for a pressure cooker to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present application provides a pressure limiting valve and a pressure cooker, which are used to solve the technical problems that the gas in the pressure cooker cannot be discharged quickly after the pressure cooker is finished cooking, and soup splashes.

The application provides a pressure limiting valve, includes:

a base provided with an exhaust port for communicating with an exhaust hole of the pot cover;

the valve body is arranged at the exhaust port;

the pressure lever assembly is rotatably connected to the base and is connected to the valve body;

when the pressure lever assembly is not pressed, the valve body is sealed in the exhaust port; when the pressure lever assembly is pressed, a gap is formed between the valve body and the exhaust port, and the valve body is not separated from the exhaust port.

In this application, the depression bar subassembly one end is rotatably connected on the base, and the other end is connected to the valve body, and the valve body is connected in the gas vent. The valve body is sealed at the exhaust port under the state that the pressure lever component is not pressed, so that the valve body plays a role in heat preservation and pressure maintaining for the inner part of the pressure cooker. After the user cooks, when the user pressed the depression bar subassembly, depression bar subassembly was round base rotary motion, and then can drive the valve body and move towards the direction of keeping away from the gas vent to make to have the clearance between valve body and the gas vent, the inside gas of pot just can be followed the clearance between valve body and the gas vent and discharged fast. When the pressure in the cooker is reduced to be equal to the external atmospheric pressure, the user can open the cooker cover conveniently. The valve body is not separated from the exhaust port, so that most of the exhaust port is blocked by the valve body while exhausting air by utilizing the gap, and soup cannot be splashed out.

In one possible design, the valve body comprises a pressing portion and a stem portion connected to the pressing portion;

the pressing rod assembly is connected to the pressing part;

the rod part can seal the air outlet when the pressure rod assembly is not pressed, and the rod part can have a gap with the air outlet when the pressure rod assembly is pressed.

The valve body comprises a pressing part and a rod part, the pressing rod component is connected with the pressing part, and when the pressing rod component is pressed, the pressing part can be driven by the pressing rod component to move towards the direction far away from the exhaust port, so that the gap between the rod part and the exhaust port is opened, and gas in the pot can be discharged along the gap. When the air in the cooker is exhausted, the user presses the pressing part of the valve body to make the rod part move towards the inside of the pressure cooker, namely the rod part is sealed with the exhaust port.

In one possible design, the stem portion comprises a first stem portion and a second stem portion connected to the first stem portion;

the first rod part is also connected with the pressing part;

when the pressure lever assembly is not pressed, the first rod part is sealed in the exhaust port; when the pressure lever assembly is pressed, a gap is formed between the second rod part and the air outlet.

In the above scheme, the rod part is mainly divided into two parts, one part is a first rod part, and the other part is a second rod part. Wherein the first rod part is connected with the pressing part, and the second rod part is connected with the first rod part. When the pressure lever assembly is pressed, the first rod part is separated from the exhaust port, gas in the pot can be discharged out of the pot along a gap between the second rod part and the exhaust port, when the pressure lever assembly is not pressed, the second rod part is positioned below the exhaust port, and the first rod part is in sealing fit with the exhaust port.

In one possible design, the base includes a body;

an extending part is arranged on one side of the body, and the exhaust port is arranged on the extending part;

the anti-falling device comprises a body and is characterized in that an anti-falling boss is arranged on the other side of the body, a sealing ring is arranged in the anti-falling boss, and the sealing ring is used for being in sealing fit with the first rod part.

In the above scheme, the base comprises a body, an extension part is arranged on one side of the body, an anti-falling boss is arranged on the other side of the body, an air outlet is formed in the extension part, and a sealing ring is arranged in the anti-falling boss. Therefore, the gas in the pot can flow along the extension part on one side of the body and can be exhausted from the exhaust port of the extension part. The extension part can play a certain role in guiding high-temperature gas in the pot. After the sealing ring is matched with the first rod part, the sealing effect is better.

In one possible design, the base further includes a support post connected to the body;

the supporting column is provided with a groove part;

the compression bar assembly comprises a compression bar, and a rotating shaft is arranged on the compression bar;

the rotation shaft is engaged with the groove portion to enable the pressing rod to rotate relative to the supporting column.

The support column includes the slot part, and the rotation axis on the depression bar cooperates with the slot part to be connected, and when the depression bar was pressed, the depression bar can use the rotation axis as the fulcrum, rotates on certain angle round the support column to drive the splenium of pressing of valve body and keep away from or be close to the inside of pot and move.

In one possible design, the supporting column is provided with a first fixing column;

the compression bar is provided with a second fixing column;

the compression bar assembly further comprises an elastic piece, and two ends of the elastic piece are respectively connected to the first fixing column and the second fixing column.

Use the elastic component to connect first fixed column and second fixed column, when pressing down the depression bar subassembly like this, the depression bar subassembly drives pressing the splenium of valve body and to keeping away from the direction motion of the internal portion of pot, and the valve body opens the gas vent, because the elastic component is in the extension state this moment, the elastic component can have certain pulling force to the second fixed column, and the direction of this pulling force is along first fixed column to make the valve body can not fall into the pot.

In one possible design, the support column is provided with a swing cavity;

the first fixing column is arranged in the swinging cavity.

When the user pressed the depression bar subassembly, the elastic component can drive the valve body to keeping away from the direction motion of the internal portion of pot, and the elastic component can carry out ascending certain range swing at swing intracavity portion this moment, and when the user pressed the splenium of valve body, the valve body can be to the direction motion of being close to the internal portion of pot, and the elastic component carries out the swing of certain range downwards in swing intracavity portion this moment. The arrangement of the swing cavity can provide a certain movement space for the elastic element so that the elastic element can better play a role.

In one possible design, the pressure lever is provided with a connecting groove;

the pressing part is provided with a fixing boss;

the spread groove with fixed boss joint, in order with the depression bar with the valve body is connected.

The spread groove and the fixed boss are matched through clamping, so that when a user presses the pressure bar assembly, the spread groove can drive the fixed boss to enable the fixed boss to receive an upward pulling force, and then the drive valve body moves upwards.

In one possible embodiment, the plunger comprises a first rod and a second rod;

the first rod body and the second rod body are both provided with the connecting grooves;

the number of the fixed bosses is two, and the two fixed bosses are respectively matched with the first rod body and the second rod body.

Set up the first body of rod and the second body of rod on the depression bar, and all be provided with the spread groove on the first body of rod and the second body of rod, two fixed bosss cooperate with the first body of rod and the second body of rod respectively simultaneously, when the user pressed down the depression bar subassembly, the spread groove and the fixed boss contact atress of the first body of rod and the second body of rod department made two fixed bosss receive ascending power, and then driven valve body opened the gas vent. The structure can make the motion of the valve body more stable.

The pressure cooker comprises a cooker body, a cooker cover, a pressure limiting valve and a pressure control valve, wherein the cooker cover covers the cooker body, the cooker cover is provided with an exhaust hole, and the pressure limiting valve is arranged on the cooker cover;

the base is connected to the pot cover, and the exhaust port of the base is communicated with the exhaust hole. The cooker cover is provided with an exhaust hole, the exhaust hole on the base is communicated with the exhaust hole on the cooker cover, so that when the pressure limiting valve and the exhaust hole have a certain gap, the exhaust hole is communicated with the exhaust hole, and high-pressure gas in the cooker body can be exhausted from the gap. When the pressure limiting valve is sealed with the exhaust port, the exhaust port and the exhaust hole are blocked, so that the gas in the pot body cannot leak, and the effects of heat preservation and pressure maintaining are achieved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of a pressure limiting valve provided in an embodiment of the present application;

FIG. 2 is an exploded view of the structure of FIG. 1;

FIG. 3 is a schematic diagram of the structure of the components of the pressure cooker when the pressure lever assembly is not pressed;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a schematic diagram of the structure of the components of the pressure cooker when the pressure lever assembly is pressed;

FIG. 6 is a cross-sectional view of FIG. 5;

FIG. 7 is a cross-sectional view of the base;

FIG. 8 is a schematic structural view of a base;

FIG. 9 is a schematic view of the base from another perspective;

FIG. 10 is a cross-sectional view of the valve body;

FIG. 11 is a schematic structural view of a valve body;

FIG. 12 is a schematic view of the compression bar assembly;

FIG. 13 is a schematic view of the strut assembly from another perspective.

Reference numerals:

0-exhaust port;

1-a base;

12-a body;

13-an extension;

14-anti-falling boss;

15-sealing ring;

16-a support column;

161-groove portion;

162-first fixed column;

163-a wobble chamber;

2-a valve body;

21-a pressing part;

211-fixed boss;

22-a stem portion;

221-a first stem portion;

222-a second shaft portion;

3-a compression bar assembly;

31-a pressure bar;

311-rotation axis;

312-a second fixed column;

313-a connecting trough;

314-a first stick body;

315-second stick body;

32-an elastic member;

33-connecting plate.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

As shown in fig. 1 to 6, an embodiment of the present application provides a pressure limiting valve, including: base 1, valve body 2 and depression bar assembly 3. Wherein, base 1 is provided with the gas vent 0 that is used for with the exhaust hole intercommunication of pot cover, valve body 2 set up in gas vent 0, depression bar component 3 rotatably connects on base 1, just depression bar component 3 connect in valve body 2.

When the plunger assembly 3 is not pressed, the valve body 2 is sealed in the exhaust port 0. When the pressure lever assembly 3 is pressed, a gap is formed between the valve body 2 and the exhaust port 0, and the valve body 2 is not separated from the exhaust port 0.

In the present application, one end of the pressure lever assembly 3 is rotatably connected to the base 1, the other end is connected to the valve body 2, and the valve body 2 is connected to the exhaust port 0. When the pressure lever component 3 is not pressed, the valve body 2 is sealed at the exhaust port 0, so that the valve body 2 plays a role in heat preservation and pressure maintaining for the inner part of the pressure cooker. After the user cooks, when the user pressed depression bar assembly 3, depression bar assembly 3 was round 1 rotary motion of base, and then can be driving valve body 2 and moving towards the direction of keeping away from gas vent 0 to make the clearance have between valve body 2 and the gas vent 0, the inside gas of pot just can be followed the quick discharge in clearance between valve body 2 and the gas vent 0. When the pressure in the cooker is reduced to be equal to the external atmospheric pressure, the user can open the cooker cover conveniently. The valve body 2 is not separated from the exhaust port 0, so that most of the exhaust port 0 is blocked by the valve body 2 while exhausting air by utilizing the gap, and soup cannot splash out.

Specifically, after the culinary art was ended, the user only need press depression bar assembly 3, then depression bar assembly 3 can carry out rotary motion round base 1 to can drive valve body 2 and move towards the direction of keeping away from gas vent 0, and then open gas vent 0 and valve body 2's clearance, because gas vent 0 is less with valve body 2's clearance, the gas of pot inside can only be along the slow discharge in clearance, thereby avoid the phenomenon of the inside foodstuff soup juice splash of pot of atmospheric pressure shock dip in the pot to take place. Meanwhile, the user does not need to pull out and insert the valve body 2 by hands, and the risk that the user is scalded by high-temperature steam in the pot is further avoided.

In an alternative of the present embodiment, as shown in fig. 1 to 2, the valve body 2 includes a pressing portion 21 and a rod portion 22 connected to the pressing portion 21, and the plunger assembly 3 is connected to the pressing portion 21. The rod portion 22 can seal the exhaust port 0 when the plunger assembly 3 is not pressed, and the rod portion 22 can have a gap with the exhaust port 0 when the plunger assembly 3 is pressed.

The valve body 2 comprises a pressing part 21 and a rod part 22, the pressing rod assembly 3 is connected with the pressing part 21, when the pressing rod assembly 3 is pressed, the pressing part 21 can be driven by the pressing rod assembly 3 to move towards the direction far away from the exhaust port 0, and then the gap between the rod part 22 and the exhaust port 0 is opened, so that the gas in the pot can be exhausted along the gap. When the gas in the cooker is exhausted, the user presses the pressing portion 21 of the valve body 2 to move the rod portion 22 toward the inside of the pressure cooker, i.e., the rod portion 22 seals the exhaust port 0.

Specifically, the outer diameter of the pressing portion 21 is not smaller than the outer diameter of the rod portion 22, and the pressing portion 21 and the plunger assembly 3 are rotatably connected. When the rod part 22 is sealed at the exhaust port 0, the outer diameter of the pressing part 21 is larger than that of the rod part 22, so that the pressing part 21 is positioned on the exhaust port 0, and the end face, close to the exhaust port 0, of the pressing part 21 can further play a role in sealing the exhaust port 0, thereby ensuring that the air pressure temperature in the cooker cannot be reduced.

In an alternative of this embodiment, as shown in fig. 1 to 6 and fig. 10 to 11, the lever portion 22 includes a first lever portion 221 and a second lever portion 222 connected to the first lever portion 221, and the first lever portion 221 is further connected to the pressing portion 21. When the plunger assembly 3 is not pressed, the first rod 221 seals the exhaust port 0. When the plunger assembly 3 is pressed, a gap is formed between the second rod portion 222 and the exhaust port 0.

The rod 22 is mainly divided into two parts, one part is a first rod 221, and the other part is a second rod 222. The first rod portion 221 is connected to the pressing portion 21, and the second rod portion 222 is connected to the first rod portion 221. When the pressing rod assembly 3 is pressed, the first rod part 221 is separated from the air outlet 0, the air in the pot can be discharged out of the pot along the gap between the second rod part 222 and the air outlet 0, when the pressing rod assembly 3 is not pressed, the second rod part 222 is located below the air outlet 0, and the first rod part 221 is in sealing fit with the air outlet 0.

In an alternative of the present embodiment, as shown in fig. 1 to 6, the base 1 includes a body 12, an extending portion 13 is provided at one side of the body 12, and the exhaust port 0 is provided at the extending portion 13. The other side of the body 12 is provided with an anti-falling boss 14, a sealing ring 15 is arranged in the anti-falling boss 14, and the sealing ring 15 is used for being in sealing fit with the first rod part 221.

In the above scheme, one side of the body 12 is provided with the extension portion 13, the other side is provided with the anti-falling boss 14, the inside of the extension portion 13 is provided with the exhaust port 0, and the anti-falling boss 14 is internally provided with the sealing ring 15. Thus, the gas in the pot can flow along the extension part 13 on one side of the body 12, and can be discharged from the gas outlet 0 of the extension part 13. The extension part 13 can play a certain role of guiding the high-temperature gas in the pot. After the sealing ring 15 is matched with the first rod part 221, the sealing effect is better.

Specifically, at least a portion of the rod 22 is located inside the extension 13, the sealing ring 15 is disposed inside the anti-falling boss 14, and the diameter inside the anti-falling boss 14 is smaller than the inner diameter of the sealing ring 15, so that the sealing ring 15 is firmly fixed inside the anti-falling boss 14, and when the first rod 221 on the rod 22 is separated from the sealing ring 15, the gas inside the pot can be discharged along the gap between the second rod 222 and the exhaust port 0. When the first rod part 221 of the rod part 22 is fitted with the sealing ring 15, the exhaust port 0 is blocked.

In an alternative of this embodiment, as shown in fig. 3 to 9, the base 1 further includes a supporting column 16, the supporting column 16 is connected to the body 12, and the supporting column 16 is provided with a groove 161. The pressing rod assembly 3 includes a pressing rod 31, a rotating shaft 311 is disposed on the pressing rod 31, and the rotating shaft 311 is engaged with the groove portion 161 to enable the pressing rod 31 to rotate relative to the supporting column 16.

The supporting column 16 includes a groove 161, the rotating shaft 311 of the pressing rod 31 is connected to the groove 161 in a matching manner, when the pressing rod 31 is pressed, the pressing rod 31 can rotate around the supporting column 16 at a certain angle with the rotating shaft 311 as a fulcrum, so as to drive the pressing portion 21 of the valve body 2 to move away from or close to the inside of the pot body.

Specifically, the groove 161 may be provided on a side wall of the support post 16, or may be provided inside the support post 16. It should be noted that the slot 161 penetrates two opposite sides of the supporting post 16, so that the rotating shaft 311 can rotate in the slot 161. Further, the rotating shafts 311 are disposed on the pressing rod 31, and there are 2 rotating shafts 311, and 2 rotating shafts 311 are at the same height with respect to the pressing rod 31, so as to facilitate the installation and the fitting connection of the rotating shafts 311 and the groove portions 161.

In an alternative of this embodiment, as shown in fig. 3 to 6, the supporting column 16 is provided with a first fixing column 162, the pressing rod 31 is provided with a second fixing column 312, the pressing rod assembly 3 further includes an elastic member 32, and two ends of the elastic member 32 are respectively connected to the first fixing column 162 and the second fixing column 312.

Use elastic component 32 to connect first fixed column 162 and second fixed column 312, when pressing depression bar assembly 3 like this, depression bar assembly 3 drives the splenium 21 of valve body 2 and moves to the direction of keeping away from the pot body inside, and valve body 2 opens gas vent 0, because elastic component 32 is in the extension state this moment, elastic component 32 can have certain pulling force to second fixed column 312, and the direction of this pulling force is along first fixed column 162 to make valve body 2 can not fall into in the extension 13 automatically.

Specifically, when the user presses the pressing rod assembly 3, the elastic member 32 is in an extended state, and the elastic member 32 has a pulling force along the second fixing column 312 to the first fixing column 162, so that the pressing portion 21 of the valve body 2 is forced upward, that is, the valve body 2 does not fall into the extending portion 13, that is, the valve body 2 does not return to the initial state. Further, first fixed column 162 and second fixed column 312 are both cylindrical, and the external diameter of first fixed column 162 and second fixed column 312 is not greater than the internal diameter of elastic component 32, and then be convenient for the installation cooperation of elastic component 32 and first fixed column 162 and second fixed column 312.

In an alternative of the present embodiment, as shown in fig. 2 to 8, the supporting column 16 is provided with a swing cavity 163, and the first fixing column 162 is provided in the swing cavity 163.

When a user presses the pressing rod assembly 3, the elastic member 32 can drive the valve body 2 to move in a direction away from the inside of the pot body, at this time, the elastic member 32 can swing upwards in the swing cavity 163 by a certain range, when the user presses the pressing portion 21 of the valve body 2, the valve body 2 can move in a direction close to the inside of the pot body, and at this time, the elastic member 32 swings downwards in the swing cavity 163 by a certain range. The swing cavity 163 is provided to provide a certain movement space for the elastic member 32 so that the elastic member 32 can function better.

Specifically, the volume of the swing cavity 163 is not less than the volume of the elastic element 32, so that the elastic element 32 does not touch the inner wall of the supporting column 16 during the swing process, thereby protecting the elastic element 32 to a certain extent and further prolonging the service life of the elastic element 32.

In an alternative of this embodiment, as shown in fig. 10 to 13, the pressing rod 31 is provided with a connecting groove 313, the pressing portion 21 is provided with a fixing boss 211, and the connecting groove 313 is snapped with the fixing boss 211 to connect the pressing rod 31 with the valve body 2.

The connecting groove 313 and the fixed boss 211 are matched through clamping, so that when a user presses the pressure lever assembly 3, the connecting groove 313 can drive the fixed boss 211 to enable the fixed boss 211 to receive upward pulling force, and then the valve body 2 is driven to move upwards.

Specifically, the fixing boss 211 and the pressing portion 21 are integrally formed, which facilitates the connection between the fixing boss 211 and the connection groove 313, and also improves the stress strength of the fixing boss 211. Preferably, the fixing boss 211 is provided in a cylindrical shape, and an outer diameter of the fixing boss 211 is not greater than an inner diameter of the coupling groove 313, thereby facilitating the coupling of the coupling groove 313 and the fixing boss 211.

In an alternative embodiment, as shown in fig. 10 to 13, the pressing rod 31 includes a first rod 314 and a second rod 315, and the first rod 314 and the second rod 315 are both provided with a connecting groove 313. The number of the fixing bosses 211 is two, and the two fixing bosses 211 are respectively matched with the first rod 314 and the second rod 315.

Set up first body of rod 314 and second body of rod 315 on depression bar 31, and all be provided with spread groove 313 on first body of rod 314 and the second body of rod 315, two fixed bosss 211 cooperate with first body of rod 314 and second body of rod 315 respectively simultaneously, when the user pressed depression bar subassembly 3, spread groove 313 and the fixed boss 211 contact atress of first body of rod 314 and the second body of rod 315 department, make two fixed bosses 211 receive ascending power, and then drive valve body 2 and open gas vent 0. The above structure enables the movement of the valve body 2 to be more stable.

Specifically, the first rod body 314 and the second rod body 315 are respectively connected in a matching manner with two fixed bosses 211 on the valve body 2, so that the pressure rod assembly 3 and the two fixed bosses 211 are stressed uniformly in the pressing process, the valve body 2 can be further enabled to open and close the exhaust port 0 stably, and the risk of shaking the valve body 2 is avoided.

Further, the first rod 314 and the second rod 315 are connected by a connecting plate 33, and the second fixing column 312 is disposed on the connecting plate 33. The first rod 314 and the second rod 315 are connected by the connecting plate 33, so that the first rod 314, the second rod 315 and the connecting plate 33 form a relatively closed structure, and the first rod 314 and the second rod 315 can be firmly fixed on the compression bar assembly 3, thereby preventing the first rod 314 and the second rod 315 from deforming.

Specifically, the coupling plate 33 is disposed offset from the coupling groove 313, that is, the coupling plate 33 is disposed on the side away from the valve body 2, while the second fixing column 312 is disposed on the side close to the rotation shaft 311. This facilitates the mounting engagement of the resilient member 32 with the first and second mounting posts 162 and 312.

The embodiment of the application also provides a pressure cooker, which comprises a cooker body and a cooker cover (the cooker body and the cooker cover are not marked in the figure). The pot cover covers the pot body, and the pot cover is provided with an exhaust hole. The pressure cooker also comprises the pressure limiting valve, wherein the base 1 is connected with the cooker cover, and the exhaust port 0 of the base 1 is communicated with the exhaust hole.

In this embodiment, the pot cover is provided with an exhaust hole, and the exhaust hole 0 on the base 1 is communicated with the exhaust hole on the pot cover, so that when the pressure limiting valve and the exhaust hole have a certain gap, the exhaust hole 0 is communicated with the exhaust hole, and the high-pressure gas in the pot body is discharged from the gap. When the pressure limiting valve is sealed with the exhaust port 0, the exhaust port 0 and the exhaust hole are blocked, so that the gas in the pot body cannot leak, and the effects of heat preservation and pressure maintaining are achieved.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A pressure limiting valve, comprising:

a base (1) provided with an exhaust port (0) for communicating with an exhaust hole of a pot cover;

a valve body (2) disposed at the exhaust port (0);

the pressure lever assembly (3) is rotatably connected to the base (1), and the pressure lever assembly (3) is connected to the valve body (2);

when the pressure lever assembly (3) is not pressed, the valve body (2) is sealed in the exhaust port (0); when the pressure lever assembly (3) is pressed, a gap is formed between the valve body (2) and the exhaust port (0), and the valve body (2) does not separate from the exhaust port (0).

2. Pressure limiting valve according to claim 1, characterized in that the valve body (2) comprises a pressing portion (21) and a stem portion (22) connected to the pressing portion (21);

the pressure lever assembly (3) is connected to the pressing part (21);

the rod part (22) can be sealed in the exhaust port (0) when the pressure lever assembly (3) is not pressed, and the rod part (22) can have a gap with the exhaust port (0) when the pressure lever assembly (3) is pressed.

3. The pressure limiting valve according to claim 2, wherein the stem (22) comprises a first stem (221) and a second stem (222) connected to the first stem (221);

the first rod part (221) is also connected to the pressing part (21);

when the pressure lever assembly (3) is not pressed, the first rod part (221) is sealed in the exhaust port (0); when the pressure lever assembly (3) is pressed, a gap is formed between the second rod part (222) and the exhaust port (0).

4. The pressure limiting valve according to claim 3, characterized in that the base (1) comprises a body (12);

an extension part (13) is arranged on one side of the body (12), and the exhaust port (0) is arranged on the extension part (13);

the anti-falling device is characterized in that an anti-falling boss (14) is arranged on the other side of the body (12), a sealing ring (15) is arranged in the anti-falling boss (14), and the sealing ring (15) is used for being in sealing fit with the first rod portion (221).

5. The pressure limiting valve according to claim 4, characterized in that the base (1) further comprises a support post (16), the support post (16) being connected to the body (12);

a groove part (161) is arranged on the supporting column (16);

the pressure lever assembly (3) comprises a pressure lever (31), and a rotating shaft (311) is arranged on the pressure lever (31);

the rotation shaft (311) is engaged with the groove portion (161) to enable the pressing lever (31) to rotate relative to the support column (16).

6. Pressure limiting valve according to claim 5, characterized in that the supporting column (16) is provided with a first fixing column (162);

the compression bar (31) is provided with a second fixing column (312);

the pressure lever assembly (3) further comprises an elastic piece (32), and two ends of the elastic piece (32) are respectively connected to the first fixing column (162) and the second fixing column (312).

7. Pressure limiting valve according to claim 6, characterized in that the supporting column (16) is provided with a swing cavity (163);

the first fixing column (162) is arranged in the swinging cavity (163).

8. Pressure limiting valve according to claim 7, characterized in that the pressure lever (31) is provided with a connecting groove (313);

the pressing part (21) is provided with a fixing boss (211);

the connecting groove (313) is connected with the fixed boss (211) in a clamping mode, so that the pressure rod (31) is connected with the valve body (2).

9. The pressure limiting valve according to claim 8, wherein the pressure lever (31) comprises a first rod (314) and a second rod (315);

the first rod body (314) and the second rod body (315) are provided with the connecting grooves (313);

the number of the fixed bosses (211) is two, and the two fixed bosses (211) are respectively matched with the first rod body (314) and the second rod body (315).

10. A pressure cooker, comprising a cooker body and a cooker cover, wherein the cooker cover covers the cooker body, and the cooker cover is provided with a vent hole, characterized in that the pressure cooker also comprises a pressure limiting valve as claimed in any one of claims 1 to 9;

the base (1) is connected to the pot cover, and an exhaust port (0) of the base (1) is communicated with the exhaust hole.

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