KR200172801Y1 - Relief valve of compulsory apparatus - Google Patents

Abstract

The present invention relates to a pressure cooker pressure control valve having a forced discharge function to serve as forced discharge as well as steam pressure discharge control in the pressure cooker during the cooking process.

Accordingly, the configuration of the present invention, the locking jaw formed so as to be able to move in one direction only in the valve cap, the first cam groove formed at a predetermined distance from the locking jaw, and the predetermined interval and phase difference (α) from the first cam groove Including a second cam groove formed to have, the second cam groove is configured to lead to the locking jaw again, the steam control cap opposite to the locking projection facing the locking groove, and each cam groove according to the rotation of the steam control cap While having a cam protrusion for displacing the valve body.

Description

Pressure cooker pressure control valve with a forced discharge function {Relief valve of compulsory apparatus}

The present invention relates to a pressure control valve of a pressure cooker, and more particularly, to a pressure cooker pressure control valve having a forced discharge function to serve as forced discharge as well as steam pressure discharge control in the pressure cooker during the cooking process.

In general, the pressure cooker prepares the cooking in the pressure cooker and when heated for a predetermined time by using a heating means such as a commercial power source (electric) or a gas range has an effect that the internal pressure is increased to complete the cooking in a short time. In this case, the pressure cooker has a pressure control valve (1) as shown in Figure 1, when a certain pressure or more is generated in the pressure cooker, steam is discharged through the valve, while the pressure weight (2) is rotated by the discharged steam pressure, steam discharge and discharge sound Generates an alarm. Thus, even if the housewives are tired and resting for a while, there is an advantage that they can hear the sound and reduce or turn off the intensity of the fire.

However, since the pressure control valve 4 is additionally installed and used in the lid 3 of the pressure cooker in preparation for the abnormality of the pressure weight 2, it is an increase factor of assembly labor and an increase in manufacturing cost.

In addition, in the case of oily soups or other cooking, the problem that the high viscosity of the steam pressure to block the internal steam path of the pressure control valve (1) to generate an abnormal pressure.

In addition, since the conventional pressure weight 2 is made of a material which is easy to transfer heat, when a user forcibly discharges the pressure in the pressure cooker, a user often suffers a burn.

Therefore, the present invention was created to solve the above problems, the purpose of the pressure cooker pressure having a forced discharge function to serve as a function of the safety valve for controlling the steam pressure discharge in the pressure cooker during the cooking process as well as forced discharge. In providing a control valve.

In addition, another object of the present invention is to configure the forced discharge function according to the positional movement of the cam means pressure cooker having a forced discharge function to simultaneously perform the role of a pressure weight to forcibly discharge the steam pressure in the case of malfunction of the pressure control valve To provide a pressure regulating valve.

In order to achieve the above object, the present invention, in the installation of the valve in the coupling hole of the pressure cooker lid to discharge the steam of the pressure cooker,

A valve casing inserted into the coupling hole of the lid and fixedly coupled to the inside thereof, the inside of which communicates with each other with a predetermined inner diameter, and a tapered portion having a narrower width at an inner lower end thereof;

It is configured to have a predetermined interval inside the valve casing, and the pressure indicator rod therein is loosely fitted so as to regulate the discharge of the vapor pressure in accordance with the movement in a certain vertical range, and supports one side of the first spring having a certain elastic force thereon A valve body having a curved portion larger than the inner diameter of the tapered portion so as to have a closed structure on the outer circumference thereof while contacting the tapered portion of the valve casing;

The valve casing is fixedly coupled to the upper portion, and the upper and lower portions are formed in communication with each other, the multi-stage structure of the cam groove means having a different height is formed on the upper, the separate steam discharged in communication with each other to the upper and lower A valve cap with a ball formed;

A steam control cap which is positioned in a form opposite to the upper portion of the valve cap and has a cam protrusion means to face the cam groove means, and a steam interruption hole is formed to selectively open and close the steam discharge hole according to a rotation range;

A valve body casing which is inserted into an upper portion of the steam control cap but has an upper end thereof with a catching flange formed to be caught by the cap and a lower end thereof coupled to the valve body to support the other side of the first spring;

A second spring which is supported to be caught by one side of the valve cap and one side of the valve body, respectively; It has a feature consisting of.

In addition, in order to achieve the object of the present invention, the cam groove means of the valve cap is a locking jaw formed to be movable in only one direction, a first cam groove formed at a predetermined distance from the locking jaw, and from the first cam groove It includes a second cam groove formed to have a predetermined interval and a phase difference (α), the second cam groove is configured to lead to the locking jaw again, the cam projection means of the steam control cap opposite to the locking projection facing the locking groove In addition, the cam projection has a feature of displacing the valve body while passing through each cam groove according to the rotation of the steam control cap.

1 is a perspective view showing a conventional pressure cooker.

Figure 2 is an exploded perspective view showing a pressure cooker pressure control valve having a forced discharge function according to the present invention.

3 is a cross-sectional view of the coupled state of FIG.

Figure 4a is a side cross-sectional view of the operation of the circular cam groove means and the cam projection means in a straight line in the pressure control valve according to the present invention and the corresponding pressure control valve.

Figure 4b is a side cross-sectional view of the operation of the circular cam groove means and the cam projection means in a straight line in the pressure control valve according to the present invention and the corresponding pressure control valve.

※ Explanation of code about main part of drawing ※

3: lid, 3a: union hole,

10: valve casing, 12, 14: screw connection,

16: tapered, 18: nut,

20: the valve body, 22: the bent portion,

24: communication hole, 26: first spring,

30: pressure indicator rod, 32: level portion,

34: steam outlet, 40: valve cap,

42: locking jaw, 44: first cam groove,

46: second cam groove, 48: steam exhaust hole,

50: steam control cap, 52: jamming,

54: cam turning, 56: steam arrester,

58: handle portion, 60: valve body casing,

62: locking flange, 70: second spring,

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

2 is an exploded view showing a pressure cooker pressure display valve having a forced discharge function according to the present invention, Figure 3 is a cross-sectional view of the combined state of FIG.

In the constitution of the present invention, in the installation of the valve to allow the steam of the pressure cooker to be discharged in the coupling hole 3a of the pressure cooker lid 3,

The screw fastening portion 12 is formed at the lower portion thereof so as to be fixed to the coupling hole 3a of the lid 3 and fixedly coupled by the nut 18, and the upper portion opposite to the cap 3 is fixed to the valve cap 40 to be described later. The valve casing 10 in which the screwed portion 14 is formed was constructed.

The valve casing 10 is configured to communicate with each other to have a predetermined inner diameter while forming a tapered portion 16 having a narrow width at an inner lower end thereof.

In addition, the valve casing 10 is configured to have a predetermined interval therein, the pressure display rod 30 described later therein is loosely fitted so that the vapor pressure is controlled to discharge as the movement in a certain vertical range, the upper portion A curved portion larger than the inner diameter of the tapered portion 16 is formed so as to support one side of the first spring 26 having a predetermined elastic force, and to have a blockage structure while contacting the tapered portion 16 of the valve casing 10 at its outer circumference. The valve body 20 in which the 22 was formed was comprised.

On the other hand, the upper outer periphery of the pressure display rod 30 that is loosely fitted in the valve body 20 has a level portion 32 formed with about three equal parts at regular intervals, and the pressure display rod at the lower outer periphery thereof. It has a vapor discharge recess 34 having a smaller width than the other parts of 30.

In addition, when the pressure display rod 30 is displaced upward, a communication hole 24 is formed at the lower end of the outer circumference of the valve body 20 so that steam is discharged in communication.

Meanwhile, a structure is fixedly coupled to an upper portion of the valve casing 10 and upper and lower portions communicate with each other, and a cam groove means having a multistage structure having different heights is formed on the upper portion, and communicates with each other upward and downward. To be provided with a valve cap 40 is formed a separate steam outlet hole 48.

In addition, the valve cap 40 is located in the form of the upper portion, the cam projection means is formed to face the cam groove means, even if the position is displaced by the movement of the cam projection means steam discharge hole ( 48) constitutes a steam control cap 50 is formed with a steam interruption hole 56 is always in communication structure. On the outside of the steam control cap 50, the user is formed to protrude the handle 58 in order to facilitate the rotation of the cap.

In addition, the engaging flange 62 is formed so that the upper end is caught by the cap 50 while being inserted into the upper portion of the steam control cap 50 and the lower end is screwed to the valve body 20 of the first spring 26. The valve body casing 60 supporting the other side was configured.

In addition, a second spring 70 which is supported to be caught by one side of the valve cap 40 and one side of the valve body 20 is configured.

On the other hand, the cam groove means of the valve cap 40 is a locking jaw 42 formed to be movable in only one direction, the first cam groove 44 formed at a predetermined distance from the locking jaw 42, and the first 1 includes a second cam groove 46 formed to have a predetermined distance and a phase difference (α) from the cam groove 44, the second cam groove 46 is configured to lead to the latching jaw (42) again, the steam opposed thereto Cam projection means of the adjustment cap 50 is the valve body (44) and 46 through the cam projections 44 and 46 in accordance with the rotation of the locking projection 52 and the steam adjustment cap 50, the locking projection (42) The cam protrusion 54 displacing 20) was configured to be connected to each other.

It describes the operation of the present invention configured as described above.

Figure 4a is an operation of the circular cam groove means and the cam projection means in a straight state in the pressure control valve according to the present invention and a side cross-sectional view of the pressure control valve corresponding thereto (before the steam pressure is forcibly discharged), Figure 4b is In the pressure control valve according to the present invention, the operation of the circular cam groove means and the cam protrusion means in a straight line state and a cross-sectional side view of the pressure control valve corresponding thereto (a state in which the steam pressure is forced out).

In the control state of the steam pressure of the pressure cooker, when the generated steam pressure is in a state where the level part 32 of the pressure indicating rod 30 protrudes to the outside, the user recognizes whether the pressure state in the pressure cooker is high or low and the steam pressure In the case where the titration exceeds the proper amount, the communication hole 24 of the valve body 20 and the vapor discharge recess 34 of the pressure indicating rod 30 communicate with each other while pushing up the first spring 26. The steam pressure is discharged to the outside through the space between the valve body 20 and the valve casing 10 through the steam discharge hole 48 of the valve cap 40 and the steam interruption hole 56 of the steam control cap 50. (Not shown)

However, when cooking highly viscous oily foods, since the oil vaporizes with water vapor, the discharge path of the pressure control valve may be blocked.

In this case, the user interviews the locking jaw 42 of the valve cap 40 with the locking protrusion 52 of the steam control cap 50 facing each other, and the cam protrusion 54 is the first cam groove of the valve cap 40. When the steam control cap 50 is rotated in one direction while being positioned on the 44, the cam protrusion 54 is moved on an inclined surface, and the cam protrusion 54 is out of phase with the first cam groove 44. When it reaches the second cam groove (46) with the valve is separated from the valve cap 40 by the height of the cam protrusion 54 and at the same time the valve is caught on the steam control cap 50 by the engaging flange 62 The main body casing 60 is moved upward, and the valve body 20 screwed with the valve body casing 60 is also displaced upward while overcoming the elastic force of the second spring 70 so that the valve body 20 The curved surface 22 is separated from the tapered portion 16 of the valve casing 10 to form a forced vapor discharge path.

The steam flowing out between the curved surface 22 of the valve body 20 and the taper portion 16 of the valve casing 10, as well as the steam discharge hole 48 and the steam control cap 50 of the valve cap 40. It is discharged to the outside through the steam interruption hole (56).

If the valve body 20 is to be returned to its original state, hold the handle 58 of the steam control cap 50 and rotate it for a predetermined time in the same direction as the above operation direction. ) Is brought into contact with the engaging jaw 42 of the valve cap 40 at the same time, and the pressing force compressing the second spring 70 is canceled, and the valve body 20 according to the downward movement of the valve body casing 60. ) Is the original position, that is, the vaporized surface 22 of the valve body 20 and the taper portion 16 of the valve casing 10 is in contact with the vapor pressure discharge path is blocked.

When the present invention is applied as described above, it is possible to expect the improvement of productivity, such as the reduction of the assembly labor and the reduction of the assembly time for the pressure cooker by playing the role of the pressure regulating valve and the pressure weight together, Since the steam is discharged without fear of burns, the operability and stability are expected to be secured.

Claims (2)

In installing the valve in the coupling hole of the pressure cooker lid to discharge the steam of the pressure cooker, A valve casing inserted into the coupling hole of the lid and fixedly coupled to the inside thereof, the inside of which communicates with each other with a predetermined inner diameter, and a tapered portion having a narrower width at an inner lower end thereof; It is configured to have a predetermined interval inside the valve casing, and the pressure indicator rod therein is loosely fitted so as to regulate the discharge of the vapor pressure in accordance with the movement in a certain vertical range, and supports one side of the first spring having a certain elastic force thereon A valve body having a curved portion larger than the inner diameter of the tapered portion so as to have a closed structure on the outer circumference thereof while contacting the tapered portion of the valve casing; The valve casing is fixedly coupled to the upper portion, and the upper and lower portions are formed in communication with each other, the multi-stage structure of the cam groove means having a different height is formed on the upper, the separate steam discharged in communication with each other to the upper and lower A valve cap with a ball formed; A steam control cap which is positioned in a form opposite to the upper portion of the valve cap and has a cam protrusion means to face the cam groove means, and a steam interruption hole is formed to selectively open and close the steam discharge hole according to a rotation range; A valve body casing which is inserted into an upper portion of the steam control cap but has an upper end thereof with a catching flange formed to be caught by the cap and a lower end thereof coupled to the valve body to support the other side of the first spring; A second spring which is supported to be caught by one side of the valve cap and one side of the valve body, respectively; Pressure cooker pressure control valve having a forced discharge function characterized in that it comprises a. The method of claim 1, wherein the cam groove means of the valve cap is a locking jaw formed so as to be movable in only one direction, a first cam groove formed at a predetermined distance from the locking jaw, a predetermined interval and phase difference from the first cam groove ( It includes a second cam groove formed to have a), wherein the second cam groove is configured to lead to the locking jaw again, the cam projection means of the steam control cap opposed to the locking projection facing the locking groove, and the steam control cap Pressure cooker pressure control valve having a forced discharge function characterized in that it comprises a cam projection for displacing the valve body while passing through each cam groove according to rotation.