KR200299173Y1 - Lid locking apparatus for an electric pressure jar - Google Patents

Abstract

The present invention facilitates the fastening of the rotating member of the electric pressure cooker lid locking device and at the same time prevents the up and down flow of the rotating member to the separation, and consequently, to improve the productivity and operation stability and reliability of the electric pressure cooker, the rotating member And, the locking lever of the electric pressure cooker consisting of a rotating lever which rotates together with the rotation of the rotating member, and a locking ring that rotates in accordance with the rotation of the rotary lever to close the inner pot lid to the inner pot to seal the inner pot from the outside. In the rotation member includes a projection on the outer surface, the projection is provided with a cap locking device of the electric pressure cooker to prevent the rotation of the rotation member is caught by the end of the guide groove.

Description

Lid locking device of electric pressure cooker {LID LOCKING APPARATUS FOR AN ELECTRIC PRESSURE JAR}

The present invention relates to a lid locking device of an electric pressure cooker, and more particularly to a lid locking device that can achieve a productivity improvement and cost reduction by integrally forming the rotating member and the rotary lever of the lid locking device.

In general, an electric pressure cooker uses a heating source (not shown) using electricity, and maintains the inside of the inner pot 1 at a high temperature and a high pressure during cooking and cooking. Close the inner pot lid (2) so that the inside of the inner pot (1)

Locking ring (3) for sealing, pressure control means (not shown) for maintaining the pressure inside, and discharge device (not shown) for discharging the high temperature, high pressure steam inside after cooking.

In the conventional electric pressure cooker, a lid locking device having a structure shown in FIGS. 1 to 4 has been used. First, in the case of the conventional lid lock device shown in Figure 1, the locking having a locking portion 32 that can be engaged with the locking stone piece 11 is installed on the upper outer peripheral surface of the inner pot (1) inserted into the cooker body. A rotation including a ring 3, a locking pin 31 fixed to an upper end of the locking ring 3 to rotate the locking ring 3, and a long hole 41 to rotate the locking pin 31; It is composed of a rotating member (6) coupled to the lever (4), the rotary lever (4) and the fastening screw (7) to rotate the rotary lever (4). Here, the rotation member 6 is supported by a support rod 21 protruding from the upper surface of the inner pot lid 2 and rotatable about the support rod 21, and an outer lid 8 on the rotation member 6. The operation knob 61 is protruded outward to facilitate the operation of the user. Reference numeral 5 not mentioned above points to the lid frame.

In the conventional lid lock device having such a configuration, when the operation knob 61 is rotated, the rotating member 6 coupled to the lower end of the operating knob 61 rotates around the supporting rod 21, and the rotating member 6 is rotated. As the rotary lever 4 coupled by the fastening screw 21 rotates together, the long hole 41 serves as a guide of the locking pin 31 to rotate the locking pin 31. At this time, as shown in Figure 4, the engaging portion 32 formed in the lower portion of the locking ring (3) enters under the locking protrusion piece 11 of the inner pot (1) while engaging the inner pot lid (2) to the inner pot (1) Close contact is completed. 4 shows the unlocked state, when the rotating member 6 is rotated in the locked state, that is, clockwise, the locking ring 3 rotates to complete the locking operation. In this state, when the rotating member 6 is rotated in the opposite direction, it is in the unlocked state.

However, in such a conventional lid lock device there is a problem that the reliability in operation is lowered by assembling the rotary lever (4), the fastening screw (7) using a separate part, such as poor productivity and poor assembly of parts. In addition, the above-described conventional lid locking device has a high possibility of vertical flow and detachment of the rotation member 6, there was a problem of operation stability and reliability.

In another conventional technique for solving the above-described problems, as shown in FIG. 3, while the pivot member 6 and the rotary lever 4 are integrally formed, the screw fastening rod 21 is formed on the inner pot lid 2. There is a method to fix the rotation member (6) and the inner pot lid (2) using a fastening screw (71). However, in the above-described prior art, a special type of screw having a thread non-forming part must be used in a predetermined section, which causes a rise in production cost, and deteriorates operation stability depending on the degree of screwing, and a separate screw fastening process. There was an issue that was added.

Accordingly, the present invention provides a protrusion on the outer surface of the rotating member and the protrusion engages with a specific portion of the outer lid of the cooker, thereby facilitating the fastening of the rotating member and preventing the up and down flow of the rotating member. As a result, the electric pressure

An object of the present invention is to provide a lid locking device for an electric pressure cooker that improves productivity and improves operation stability and reliability.

1 is a partial cut cross-sectional view of a rice cooker showing an example of a lid locking device structure of a conventional electric pressure cooker.

Figure 2 is a perspective view showing a rotating member of the conventional lid locking device of FIG.

Figure 3 is a partial cut cross-sectional view of the rice cooker showing another example of the lid locking device structure of a conventional electric pressure cooker.

Figure 4 is a schematic diagram showing the operating principle of the lid locking device in relation to the inner pot and the locking ring of the electric pressure cooker.

5 is a perspective view showing a rotating member of the lid locking device of the electric pressure cooker according to the present invention.

6 is a partial cross-sectional view of the cooker showing the structure of the lid locking device employing the rotating member of FIG.

Explanation of symbols for the main parts of the drawings

1: inner pot 11: inner pot locking stone

2: inner pot lid 21: support rod and screw connection

3: locking ring 31: locking pin

32: locking ring catch

4: slew lever 41: slew lever

5: lid frame 6: rotating member

61: operation knob 62: protrusion

63: support groove

7: Rotating lever tightening screw 71: Rotating member tightening screw

8: outer lid 81: slope

82: home

The present invention is composed of a rotating member, a rotating lever that rotates together in accordance with the rotation of the rotating member, and a locking ring that rotates in accordance with the rotation of the rotating lever to close the inner pot lid to the inner pot to seal the inside of the inner pot from the outside. In the lid lock device of the pressure cooker, the rotating member includes a projection on the outer surface, the projection is caught on the end of the guide groove to provide a lid locking device of the electric pressure cooker to prevent the rotation of the rotating member. .

Here, preferably, the protrusion may be formed with a plurality of protrusions on the outer surface of the rotating member, and more preferably, three or more protrusions may be formed at equal intervals. In addition, the protrusion may be continuously formed on the outer surface of the rotating member, preferably, the end of the guide groove may include an inclined surface to facilitate the insertion of the rotating member.

In addition, more preferably, the rotating member may be rotatably supported by a support rod formed from the inner pot lid in the support groove formed at the lower end thereof, and the rotating member may be integrally formed with the rotary lever, and operated. A handle may be further formed on the pivot member.

Hereinafter, the present invention further based on the preferred embodiments of the present invention and the accompanying drawings.

It demonstrates in detail. However, the following description does not limit the scope of the present invention, and the scope of the present invention will be limited only by the following claims. Hereinafter, the same reference numerals are given to the same members as those described in the prior art.

The present invention provided to achieve the above object, as shown in Figures 5 and 6, the rotating member 6, the rotary lever 4 to rotate together in accordance with the rotation of the rotating member 6, Rotating according to the rotation of the rotary lever 4 to close the inner pot lid (2) to the inner pot (1) to the lid lock device of the electric pressure cooker consisting of a locking ring (3) for sealing the inside of the inner pot (1) from the outside. In this case, the pivot member 6 includes a projection 62 on the outer surface, the projection 62 is caught in the end of the guide groove 82 to prevent the separation of the pivot member 6 is characterized in that have.

As shown in FIG. 5, the protrusions 62 may include a plurality of protrusions, more preferably, three or more protrusions may be formed at equal intervals (for example, at 120-degree intervals), or alternatively, a continuous ring shape. It can be formed integrally with the rotating member 6 or as a separate part and fixed to the rotating member 6. In addition, the guide groove 82 may include an inclined surface 81 so that the rotation member 6 including the protrusion 62 may be easily inserted. Since the protrusion 62 is inserted along the inclined surface 81 of the guide groove 82, the protrusion 62 is caught at the end of the guide groove 82, thereby preventing the rotation of the pivot member 6. Will be prevented.

In addition, the pivot member 6 has a support groove 63 formed at the center lower end thereof so that the support rod 21 protruding from the inner pot lid is inserted into the support groove 63 to be rotatable in the support rod 21. It is supported so that, there is no fear that the rotating member (6) flows down or escapes. Therefore, when the pivot member 6 is inserted through the guide groove 82, the protrusion 62 is caught by the end of the guide groove 82, thereby preventing the flow or separation in the upward direction, and is supported by the support rod 21. It is possible to complete the fastening of the rotating member 6 very easily since the flow or separation is prevented in the downward direction.

Therefore, unlike the conventional configuration, there is no need to fasten the rotating member 6 and the inner pot lid 2 with a special type of screw, thereby simplifying the overall assembly process and reducing the manufacturing cost.

Here, since the inner pot lid 2 is fastened to the lid frame 5 with a screw (not shown), the inner pot lid 2 is also opened and closed when the lid is opened and closed. In addition, as shown in FIG. 6, the outer lid 8 is positioned outside the lid frame 5 to form an outer appearance of the lid part, and is screwed (not shown) or hooks to the lid frame 5 (not shown). The lid is fixed to the frame by the method.

In addition, if the rotating member (6) is formed integrally with the rotary lever (5) can reduce the number of parts and facilitate the assembly work. The rotary lever 5 has a long hole 41 into which the locking pin 31 is fitted at the other end thereof to assist the rotation of the locking ring 3 as described in connection with the prior art.

In addition, when the operation knob 61 is formed on the rotation member 6, it is advantageous that the user can easily perform the rotation operation with the operation knob 61. The operation handle 61 is for the user's operation, is located on the top of the outer lid 8 and may be screwed to the rotation member 6, or may be integrally molded to the rotation member (6).

As shown in FIG. 4 in the present invention having the configuration as described above, when the user rotates the operation knob 61 on the top of the outer lid 8 (in this example, clockwise rotation), the operation knob 61 is lower The rotating member 6 of the rotating member 6 rotates around the support rod 21, and rotates the locking pin 31 fitted in the long hole 41 of the rotary lever 4 integrally formed on one side of the rotating member 6. The locking ring 3 fixed therein is rotated. Accordingly, the locking protrusion piece 11 formed on the edge of the inner pot 1 and the engaging portion 32 of the locking ring 3 are engaged, so that the inner pot lid 2 is in close contact with the inner pot 2 and is locked. Rotates the operation knob 61 in the opposite direction (counterclockwise in this example), the engagement between the locking protrusion 11 of the inner pot 1 and the locking portion 32 of the locking ring 3 is released to unlock the state. It becomes the opening and shutting of the whole lid.

According to the present invention, the rotating member 6 is rotatably supported on the support rod 21 of the upper portion of the inner pot lid 2 without additional screwing, and the protrusion 62 formed on the outer surface of the rotating member 62 and the like. As the end portions of the lid guide grooves 82 are engaged with each other to prevent separation and flow, a separate screw fastening process is unnecessary, and its configuration is simple and easy to assemble, resulting in improved productivity and cost reduction of the entire rice cooker. And it helps to ensure the operation stability and reliability.

Claims (8)

A lid of an electric pressure cooker comprising a rotating member, a rotating lever rotating together with the rotation of the rotating member, and a locking ring that rotates according to the rotation of the rotating lever to close the inner pot lid to the inner pot to seal the inside of the inner pot from the outside. In the locking device, The rotation member includes a projection on the outer surface, the cap locking device of the electric pressure cooker, characterized in that the projection is caught on the end of the guide groove to prevent the separation of the rotation member. The lid locking device of claim 1, wherein the protrusion is a plurality of protrusions formed on an outer surface of the pivot member. The lid locking device of claim 2, wherein the protrusion has three or more protrusions formed at equal intervals. The lid locking device of claim 1, wherein the protrusion is continuously formed on an outer surface of the pivot member. The lid locking device of claim 1, wherein an end of the guide groove includes an inclined surface to facilitate insertion of the pivot member. 6. The lid lock device of an electric pressure cooker according to any one of claims 1 to 5, wherein the pivot member is rotatably supported by a support rod formed from an inner pot lid in a support groove formed at a lower end of the pivot member. The cap locking device of claim 1, wherein the rotation member is integrally formed with the rotary lever. 6. The cap locking device of an electric pressure cooker according to any one of claims 1 to 5, wherein an operation handle is further formed on the rotating member.