KR19990042015U - Lid opening and closing device of electric insulation pressure cooker - Google Patents

Abstract

The present invention relates to a lid opening and closing device of the electric thermal pressure cooker, in particular a stepped portion 12 is formed in the middle of the top of the lid having a coupling groove 12 on the bottom and the handle 10 to rotate left and right according to the user's choice ; A rotating plate 20 having a coupling protrusion 21 formed at a corresponding position and a plurality of guide grooves 22 formed at an edge thereof so as to be inserted into and fixed to the coupling groove 12 of the handle 10; A guide plate (31) inserted into the guide groove (22) to be inserted and moved by the guide protrusion (31) along the guide rail (32) to move left and right or back and forth; When the movable plate 30 is moved, the lock portion 50 is rotated about the fixing bracket 61 formed on the inner pot lid 60 to be coupled / separated with the flange portion 71 of the inner pot 70; One end is coupled to the upper end of the lock portion 50 and the other end is connected to the moving plate 30 is composed of a spring 40 to perform the opening and closing operation of the lock portion 50, the simple left and right rotation operation of the handle The opening and closing operation of the lid is made convenient, and at the same time, the pressure packing is prevented from being pulled to one side during the opening and closing operation to improve the reliability of the product.

Description

Lid opening and closing device of electric insulation pressure cooker

The present invention relates to a lid opening and closing device of the electric thermal pressure cooker, in particular the opening and closing operation of the lid is convenient by the simple left and right rotation operation of the handle at the same time to prevent the pressure packing to be pushed to one side during the opening and closing operation to improve the reliability of the product It relates to a lid opening and closing device of the electric thermal pressure cooker.

In general, the electric thermal pressure cooker used at home is capable of performing the cooking in a high temperature and high pressure atmosphere for the cooking object loaded in the rice cooker using electric energy. When the lid is closed for the inner container, airtightness is required to maintain a high temperature and high pressure state, and for this purpose, an opening and closing device for easily opening and closing the lid is required.

Therefore, in the related art, the lid opening and closing apparatus of the electric thermal pressure cooker capable of satisfying the above requirements has been filed by the present applicant. (Utility Model Registration Application No. 91-14994)

Looking at the configuration of the lid opening and closing device of the electric thermal pressure cooker briefly, the conventional lid opening and closing device is provided with an inner cooker having a plurality of engaging protrusions arranged at regular intervals on the upper outer periphery, the rotating body is provided with a locking projection of the inner cooker It has a configuration in which a plurality of locking projections and handles are formed on the bottom with the same spacing.

The lid opening and closing device of the conventional electric thermal pressure cooker configured as described above rotates the handle in one direction, so that the rotating body rotates. Accordingly, when the locking protrusion of the rotating body and the locking protrusion of the inner rice cooker overlap each other, the closing operation of the lid is made, When rotating in the opposite direction, the locking protrusion of the rotating body and the locking protrusion of the inner rice cooker were separated, thereby opening the lid.

However, such a conventional lid opening and closing device to realize the opening and closing operation of the lid while the user grasps the handle and rotates the rotating body one by one, there is not only the inconvenience of rotating the handle to the left and right one by one when the lid is opened and thus coupled to the inner lid Pressure packing tends to drift to one side, which greatly reduces the quality of the product.

In addition, since the handle is exposed to the side of the main body, it is easily brought into contact with other products, causing a problem in that the appearance or appearance is not beautiful.

The present invention is devised to solve the problems of the prior art, the purpose of which is to easily open and close the lid by the simple left and right rotation operation of the handle and at the same time prevent the pressure packing to be pulled to one side during the opening and closing operation To provide a lid opening and closing device of the electric thermal pressure cooker to improve the reliability of.

1 is a plan view of the lid opening and closing device according to the present invention,

Figure 2 is a cross-sectional view showing a closed state opening and closing device according to the present invention,

Figure 3 is a sectional view showing a lid opening and closing state according to the present invention.

<Explanation of symbols for main parts of the drawings>

10; Handle 11; Step 12; Combined groove

20; Rotating plate 21; Coupling protrusion 22; Guide

22a: open end 22b; Closed end 30; Moving plate

31; Guide protrusion 40; Spring 50; Lock

60; Inner pot lid 61; Fixing bracket 70; Inner pot

71; Flange

The present invention as a means for achieving the above object is in the lid opening and closing device of the electric thermal pressure cooker to be coupled to the main body by opening and closing operation with the inner pot, the step is formed in the middle of the lid having a coupling groove on the bottom And the handle to rotate left and right according to the user's selection, and the rotating plate is formed with a plurality of guide grooves formed on the edge and the engaging projection is formed in the corresponding position so as to be fixed to the coupling groove of the handle; The guide protrusion is inserted into the guide groove is formed and the moving plate to move left and right or back and forth along the guide rail by the guide protrusion, and when the moving plate is moved around the fixing bracket formed on the inner pot lid flange part of the inner pot The lock portion is coupled to / separated from the upper end of the lock portion is coupled to one end and the other end is connected to the moving plate is composed of a spring to perform the opening and closing operation of the lock portion is characterized in its technical features.

(Example)

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

1 is a plan view of the lid opening and closing device according to the present invention, Figure 2 is a cross-sectional view showing a closed state of the lid opening and closing device according to the present invention, Figure 3 is a cross-sectional view showing an open state of the lid opening and closing device according to the present invention.

The present invention, as shown in Figures 1 to 3 as a means for opening and closing the lid (not shown) in the inner pot 70, the handle 10, the rotating plate 20 to rotate with the handle 10, and the rotating plate ( 20 is rotated when the moving plate 30, the locking portion 50 coupled to and separated from the flange portion 71 of the inner pot 70 by the moving plate 30, the opening and closing operation of the lock portion 50 The spring 40 to smoothly is mobilized by default.

Here, the lid corresponds to the rotating plate 20, the handle 10, the moving plate 30, the lock portion 50 and the spring 40, and the like.

The handle 10 is located in the middle of the top of the lid to rotate left and right according to the user's choice, the lower end of the handle 10 is formed with a step 12 having a coupling groove 12 on the bottom.

The rotating plate 20 has a coupling protrusion 21 formed at a corresponding position so that the rotating plate 20 can be inserted into and fixed to the coupling groove 12 of the handle 10, and a plurality of guide grooves 22 moving the moving plate 30 at the edge thereof. Is formed.

Here, the guide grooves 22 are inclined in the inward direction, and the open ends 22b are inclined in the inward direction while maintaining the same direction in the plan view, respectively, and the inclination angle is the lock part ( It is preferable to maintain the extent that the 50 can be combined / separated from the flange portion 71 of the inner pot 70.

A guide protrusion 31 inserted into the guide groove 22 is formed at one side of the moving plate 30, and the guide protrusion 31 moves left and right along the guide rail 32.

The lock unit 50 is rotated around the fixing bracket 61 formed on the inner pot lid 60 when the movable plate 30 moves in a state located at the lower end of the movable plate 30, respectively, the flange portion of the inner pot 70. Combined / separated with (71).

One end of the spring 40 is coupled to the upper end and the other end is connected to the moving plate 30 so that the opening and closing operation of the lock unit 50 can be smoothly performed.

Reference numeral 80 is a pressure packing that is inserted into the inner pot lid fixed.

When the present invention configured as described above is coupled to the engaging projection 21 is formed in the coupling groove 12 formed in the step 11 of the handle 10, the rotating plate 20 has a state that can be rotated like the handle 10 When the guide plate 31 is guided along the guide groove 22, the movable plate 30 is in a state capable of moving left and right, back and forth, and the lock part 50 is connected to the flange portion 71 of the inner pot 70. It is connected to the fixing bracket 61 of the inner pot lid 60 so that it can be combined / separated.

On the other hand, when opening the lid in the state that the entire lid is closed as shown in Figure 2 first turn the handle 10 clockwise. Then, since the coupling protrusion 21 is coupled to the coupling groove 12, the rotating plate 20 rotates to the right side, and the guide protrusion 21 moves toward the opening end 22a along the guide groove 22.

At this time, the moving plate 30 is moved inward along the guide rail 32 by the guide protrusion 31 guided to the open end 22b and the spring 40 pulls the lock part 50 of the inner pot 70. It is separated from the flange portion 71 so that the lid is opened.

Contrary to the above, when the lid is to be closed in the open state as shown in FIG. 3, the handle 10 is turned counterclockwise. Then, the rotating plate 20 rotates to the left side, the guide protrusion 31 moves toward the open end 22a, and the moving plate 30 moves outward, so that the spring force of the spring 40 is released to the inner pot 70. Lock portion 50 is coupled to the flange portion 71 of the) to close the lid.

As described above, according to the present invention, when the handle is rotated clockwise, the lid is opened, and when the handle is rotated counterclockwise, the lid is locked. This convenience is made, of course, it is possible to prevent the pressure packing from being pulled to one side during the opening and closing operation to improve the reliability of the product.

The present invention has been described with reference to specific preferred embodiments, but the present invention is not limited to the above-described embodiments and should be made by those skilled in the art to which the present invention pertains without departing from the gist of the present invention. Various changes and modifications can be made.

Claims (2)

In the lid opening and closing device of the electric thermal pressure cooker to open and close the inner pot 70 and coupled to the main body, A handle 10 positioned on an upper part of the lid and having a coupling groove 12 formed on a bottom thereof, and rotating left and right according to a user's selection; A rotating plate 20 having a coupling protrusion 21 formed at a corresponding position and a plurality of guide grooves 22 formed at an edge thereof so as to be inserted into and fixed to the coupling groove 12 of the handle 10; A guide plate (31) inserted into the guide groove (22) to be inserted and moved by the guide protrusion (31) along the guide rail (32) to move left and right or back and forth; When the movable plate 30 is moved, the lock portion 50 is rotated about the fixing bracket 61 formed on the inner pot lid 60 to be coupled / separated with the flange portion 71 of the inner pot 70; One end is coupled to the upper end of the lock portion 50 and the other end is connected to the moving plate 30, the electric thermal pressure cooker, characterized in that consisting of a spring 40 to perform the opening and closing operation of the lock unit 50 Lid opening and closing device. According to claim 1, wherein the guide groove 22 is formed on the edge of the rotating plate 20 so that the guide projection 31 can be inserted and coupled, the guide groove 22 is inclined in the same direction when viewed in a plan view In the closed end (22b) is inclined inward, the open end (22a) is inclined in the outward lid opening and closing device of the electric thermal pressure cooker.