CN218074509U

CN218074509U - Safety valve and pressure cooker

Info

Publication number: CN218074509U
Application number: CN202222144583.8U
Authority: CN
Inventors: 刘夏菲
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-12-20
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a safety valve and a pressure cooker, wherein the safety valve comprises a valve body, a first air inlet, an air outlet and an air outlet channel communicated with the first air inlet and the air outlet are arranged on the valve body, and a plurality of air outlet grooves are sunken on the side wall of the air outlet channel; the valve rod is positioned in the air outlet channel, and one end of the valve rod extends out of the air outlet; a bonnet connected to one end of the valve stem; the spring is positioned in the air outlet channel, and two ends of the spring are respectively abutted against the bottom surface of the air outlet channel and the other end of the valve rod; the valve body is provided with a first air inlet and a second air inlet, the first air inlet is communicated with the air inlet base, the second air inlet is communicated with the air inlet base, the valve bonnet is provided with a plurality of second air inlets, and the valve bonnet can seal the air outlet when the pressure in the cooker reaches a limit value or can open the air outlet when the pressure in the cooker reaches the limit value; through having a plurality of to go out the air channel sunken on the lateral wall at the gas outlet channel to can improve the internal diameter of gas outlet channel to a certain extent when not increasing the whole interval between valve rod and the gas outlet channel, make the gas outlet be difficult for blockking up, improve the security of relief valve.

Description

Safety valve and pressure cooker

Technical Field

The utility model relates to a pressure cooker field, in particular to relief valve and pressure cooker.

Background

The pressure cooker is a common cooking appliance in families, and utilizes the physical phenomenon that the boiling point of liquid can be improved under higher air pressure to ensure that water can reach higher temperature without boiling so as to accelerate the efficiency of stewing food; the pressure cooker can be used for heating the cooked food to be more than 100 ℃, and in a high-altitude area, the problem that the food is not easy to cook due to the reduction of the boiling point of water can be avoided by using the pressure cooker, so that the pressure cooker has the advantages of time saving and energy saving, and has the defect that the food is possibly exploded to cause damage when the pressure cooker is not operated correctly or has defects; the existing pressure cooker is provided with a safety valve, which can keep a certain pressure in the cooker and exhaust when the pressure in the cooker exceeds a certain limit value, but the gap between the valve core and the outer shell of the existing safety valve is small, so that the channel between the valve core and the exhaust hole is easily blocked by food residues, and the pressure in the pressure cooker exceeds the limit value to cause explosion danger, therefore, a safety valve and a pressure cooker are urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a relief valve and pressure cooker.

The utility model discloses an embodiment solves the technical scheme that its technical problem adopted and is: a safety valve, comprising:

the valve body is provided with a first air inlet, an air outlet and an air outlet channel communicated with the first air inlet and the air outlet, and a plurality of air outlet grooves are sunken in the side wall of the air outlet channel;

the valve rod is positioned in the air outlet channel, and one end of the valve rod extends out of the air outlet;

a bonnet connected to one end of the valve stem;

the spring is positioned in the air outlet channel, and two ends of the spring are respectively abutted against the bottom surface of the air outlet channel and the other end of the valve rod;

the valve body is provided with a first air inlet, a second air inlet, a valve bonnet, a valve body and a valve cover, wherein the first air inlet is arranged on the valve body, the valve bonnet is connected with one end, where the first air inlet is arranged, of the valve body, air can be discharged through the second air inlet, the first air inlet, the air outlet and the air outlet, the valve bonnet can seal the air outlet when the pressure in the cooker does not reach a limit value, or the air outlet can be opened when the pressure in the cooker reaches the limit value.

Further, the number of the air outlet grooves is 4, and the air outlet grooves are uniformly arranged along the peripheral side of the air outlet channel.

Further, a relief valve still includes the bolt, and the one end of valve rod is provided with the screw hole, and the bolt spiro union is in the screw hole, the spiral shell head butt of spring and bolt.

Furthermore, at least one groove or convex part is arranged at one end, close to the valve body, of the valve cap, at least one convex part or groove is arranged at one end, close to the valve cap, of the valve body, the convex part can extend into the groove, or the convex part can be separated from the groove when the valve cap is rotated.

Further, the air inlet base is connected with one end, where the first air inlet is, of the valve body through a detachable structure.

Further, the detachable structure is provided as a screw connection structure.

Further, the detachable structure is a clamping structure.

A pressure cooker comprises the safety valve.

The utility model has the advantages that: a safety valve and a pressure cooker are provided, the safety valve comprises a valve body, a first air inlet, an air outlet and an air outlet channel communicated with the first air inlet and the air outlet are arranged on the valve body, and a plurality of air outlet grooves are sunken on the side wall of the air outlet channel; the valve rod is positioned in the air outlet channel, and one end of the valve rod extends out of the air outlet; a bonnet connected to one end of the valve stem; the spring is positioned in the air outlet channel, and two ends of the spring are respectively abutted against the bottom surface of the air outlet channel and the other end of the valve rod; the valve body is provided with a first air inlet, a second air inlet, a plurality of first air outlets, a valve cap, a first air inlet, a second air outlet, a valve cover and a valve cover, wherein the first air inlet is arranged on the valve body; through having a plurality of to go out the air channel sunken on the lateral wall at the gas outlet channel to can improve the internal diameter of gas outlet channel to a certain extent when not increasing the whole interval between valve rod and the gas outlet channel, make the gas outlet be difficult for blockking up, improve the security of relief valve.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a pressure cooker;

FIG. 2 is a schematic view of a safety valve;

FIG. 3 is a first exploded view of a relief valve;

fig. 4 is a second exploded view of a relief valve.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.

In the description of the present invention, the meaning of a plurality is two or more, and the terms greater than, less than, exceeding, etc. are understood as excluding the number, and the terms greater than, less than, and the like are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 4, a safety valve includes:

the valve body 10 is provided with a first air inlet 11, an air outlet 12 and an air outlet channel 13 communicated with the first air inlet 11 and the air outlet 12, and a plurality of air outlet grooves 14 are recessed in the side wall of the air outlet channel 13;

the valve rod 20 is positioned in the air outlet channel 13, and one end of the valve rod extends out of the air outlet 12;

a bonnet 30 connected to one end of the valve stem 20;

the spring 40 is positioned in the air outlet channel 13, and two ends of the spring are respectively abutted with the bottom surface of the air outlet channel 13 and the other end of the valve rod 20;

the gas inlet base 50 is connected with one end of the valve body 10 where the first gas inlet 11 is located, a plurality of second gas inlets 51 are arranged on the gas inlet base, gas can be discharged through the second gas inlets 51, the first gas inlet 11, the gas outlet channel 13 and the gas outlet 12, the valve cap 30 can seal the gas outlet 12 when the pressure in the cooker does not reach a limit value, or can open the gas outlet 12 when the pressure in the cooker reaches the limit value.

The utility model discloses in, the theory of operation of relief valve is as follows: by reasonably setting the elastic force of the spring 40 and the normal pressure in the cooker, the rated pressure of the pressure cooker in the normal working state is slightly smaller than the elastic force of the spring 40, and the pressure in the cooker at the moment can not offset the elastic force of the spring 40, so that the spring 40 can drive the valve rod 20 to move towards the cooker, and the valve cap 30 keeps sealing the air outlet 12 under the pulling of the valve rod 20, thereby keeping a certain pressure in the pressure cooker; when the pressure in the pressure cooker is greater than the elastic force of the spring 40, the valve rod 20 will move outwards under the action of the pressure in the pressure cooker, i.e. jack up the valve cap 30, so that the valve cap 30 no longer seals the air outlet 12, and the air in the pressure cooker will be discharged through the second air inlet 51, the first air inlet 11, the air outlet channel 13 and the air outlet 12 in sequence, thereby completing the pressure relief and avoiding the explosion danger caused by the pressure in the pressure cooker exceeding the limit value; further, because there are more food waste in the pressure cooker, food waste can be discharged along with gas through above-mentioned exhaust route, and whole interval between valve rod 20 and the gas outlet channel 13 can not be too big, otherwise will cause rocking of relief valve, consequently, there are a plurality of gas outlet groove 14 through sunken on the lateral wall at gas outlet channel 13, thereby can improve the internal diameter of gas outlet channel 13 to a certain extent when not increasing whole interval between valve rod 20 and the gas outlet channel 13, make gas outlet 12 be difficult for blockking up, improve the security of relief valve.

As a preferred embodiment of the gas outlet grooves 14, the gas outlet grooves 14 are provided in 4 numbers and arranged uniformly along the peripheral side of the gas outlet channel 13; of course, the number of the air outlet slots 14 may also be 1, 2, 3, etc., which is not limited herein.

The safety valve further comprises a bolt, one end of the valve rod 20 is provided with a threaded hole 61, the bolt 62 is in threaded connection with the threaded hole 61, and the spring 40 is abutted to the head of the bolt 62; this arrangement enables the valve stem 20 to be secured while facilitating the installation of the spring 40.

At least one groove 71 or protrusion 72 is formed on one end of the bonnet 30 close to the valve body 10, at least one protrusion 72 or groove 71 is formed on one end of the valve body 10 close to the bonnet 30, the protrusion 72 can extend into the groove 71, or the protrusion 72 can be disengaged from the groove 71 when the bonnet 30 is rotated; this setting can realize initiative pressure release through simple rotation, avoids taking place the excessive pressure explosion.

The inlet base 50 is connected to the valve body 10 at the end where the first inlet 11 is located by a detachable structure 80.

As a first embodiment of the detachable structure 80, the detachable structure 80 is provided as a screw coupling structure.

As a second embodiment of the detachable structure 80, the detachable structure 80 is provided as a snap structure.

A pressure cooker comprises the safety valve.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications and substitutions are included in the scope defined by the claims of the present application.

Claims

1. A safety valve, comprising:

the valve body (10) is provided with a first air inlet (11), an air outlet (12) and an air outlet channel (13) communicated with the first air inlet (11) and the air outlet (12), and a plurality of air outlet grooves (14) are recessed on the side wall of the air outlet channel (13);

the valve rod (20) is positioned in the air outlet channel (13) and one end of the valve rod extends out of the air outlet (12);

a bonnet (30) connected to one end of the valve stem (20);

the spring (40) is positioned in the air outlet channel (13), and two ends of the spring are respectively abutted against the bottom surface of the air outlet channel (13) and the other end of the valve rod (20);

admit air base (50), with first air inlet (11) place one end is connected on valve body (10), is provided with a plurality of second air inlet (51) on it, and gas can pass through second air inlet (51), first air inlet (11), gas outlet channel (13) and gas outlet (12) are discharged, valve cap (30) can seal when pot internal pressure does not reach the limit value gas outlet (12), can open when pot internal pressure reaches the limit value gas outlet (12).

2. A safety valve according to claim 1, wherein: the air outlet grooves (14) are arranged to be 4 and are evenly distributed along the peripheral side of the air outlet channel (13).

3. A safety valve according to claim 1, wherein: the valve rod (20) is characterized by further comprising a bolt, a threaded hole (61) is formed in one end of the valve rod (20), the bolt (62) is screwed in the threaded hole (61), and the spring (40) is abutted to a screw head of the bolt (62).

4. A safety valve according to claim 1, characterized in that: the valve cap (30) is close to be provided with at least one recess (71) or protruding portion (72) on the one end of valve body (10), valve body (10) is close to be provided with at least one protruding portion (72) or recess (71) on the one end of valve cap (30), protruding portion (72) can stretch into in recess (71), or protruding portion (72) can break away from in recess (71) when rotating valve cap (30).

5. A safety valve according to claim 1, wherein: the air inlet base (50) is connected with one end, where the first air inlet (11) is located, of the valve body (10) through a detachable structure (80).

6. A safety valve according to claim 5, characterized in that: the detachable structure (80) is a threaded connection structure.

7. A safety valve according to claim 5, wherein: the detachable structure (80) is a clamping structure.

8. A pressure cooker, characterized in that: comprising a safety valve according to claims 1-7.