KR19990042014U - 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, and in particular, the handle 100 and the top and bottom operating by the user coupled to the lid 530; A pair of moving plates 200 linearly reciprocating from side to side in a predetermined section on the inner pot lid 500 by vertically operating the handle 100; Lock parts 400 attached to the lower edges of the moving plate 200 and coupled / separated from the flange portion 520 of the inner pot 510 as the moving plate 200 linearly reciprocates; When the handle 100 is lowered and opened and raised, it is composed of a return spring 300 is coupled to both ends to the engaging projections (212,222) formed on the upper end of the moving plate 200 so that the lock portion 400 can be collected inwardly. The opening and closing operation of the lid is made easy by the simple lifting and lowering operation of the handle, and at the same time, the pressure packing is prevented from being pushed 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 lifting and lowering 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 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 the state of high temperature and high pressure, and for this purpose, an opening and closing device that can be easily opened and closed with the inner rice cooker is required.

Therefore, conventionally, the lid opening and closing device of the electric thermal pressure cooker capable of meeting the requirements as described above 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.

Therefore, the present invention has been devised to fundamentally solve the problems of the prior art, and its purpose is to facilitate the opening and closing operation of the lid by a simple lifting and lowering operation of the handle, and to prevent the pressure packing from being pulled to one side during the opening and closing operation. It is to provide a lid opening and closing device of an electric thermal pressure cooker to improve the reliability of the product.

1 is an exploded perspective view of the lid opening and closing device according to the present invention,

Figure 2 is a bottom view of the handle according to the present invention,

Figure 3 is a plan view showing a state in which the moving plate and the lock unit according to the present invention,

Figure 4 is a cross-sectional view showing a closed state opening and closing device according to the present invention,

Figure 5 is a cross-sectional view showing a lid opening and closing device according to the present invention.

<Explanation of symbols for main parts of the drawings>

100; Handle 110; Step 120; incline

200; Moving plate 210,220; Left and right moving plates 211,221; guide pin

212,222; Jamming projections 213,223; Long groove 214; Home

300; Return spring 400; Lock portions 410,420; Left and Right Lock

500; Inner pot lid 510; Inner pot 520; Flange

530; Lid

The present invention as a means for achieving the above object is a handle coupled to the middle of the top of the lid and operated by the user up and down, a pair of moving plate to linearly reciprocate the left and right a certain section on the inner pot lid by the vertical operation of the handle and And a lock part attached to each of the lower edges of the moving plate and coupled / separated with the flange portion of the inner pot as the moving plate is linearly reciprocated, and when the handle is lowered, the lock part is opened and the lock part can be collected inward. It is a basic feature of the technical configuration that is composed of a return spring coupled to both ends to the engaging projection formed on the top.

(Example)

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

1 is an exploded perspective view of the lid opening and closing device according to the present invention, Figure 2 is a bottom view of the handle according to the present invention, Figure 3 is a plan view showing a coupling state of the moving plate and the lock according to the present invention, Figure 4 5 is a cross-sectional view illustrating a state in which the lid opening and closing device according to the present invention is closed, and FIG.

The present invention is coupled to the middle of the top of the lid 530, as shown in Figures 1 to 5, the handle 100 and the upper and lower operation by the user, the predetermined period on the inner pot lid 500 by the vertical operation of the handle 100 A pair of moving plates 200 linearly reciprocating from side to side, and the flanges 520 of the inner pot 510 are attached to the lower edges of the moving plates 200 and the moving plates 200 linearly reciprocate. Engaged / separated lock portion 400, and the handle 200 is opened and lowered when the lower portion is raised to the locking projections (212,222) formed on the upper end of the movable plate 200 so that the lock portion 400 can be collected inward Return spring 300 is coupled is basically configured.

The handle 200 has a stepped portion 110 formed at a lower end thereof, and an inclined surface 120 is formed at a portion facing the stepped portion 110 in a linear direction, respectively, and the length of the inclined surface 120 is the lock portion 400. The inner pot 510 has an appropriate length that can be combined / separated with the flange portion 520 of the inner pot 510 is inclined upward from the outside.

The moving plate 200 is divided into a left side moving plate 210 and a right side moving plate 220, and the guide pins 211 and 221 corresponding to the inclined surface 120 of the handle 100 are disposed on both sides of the moving plate 200. It is formed in the middle of the long grooves (213, 223) are formed, respectively, the left moving plate 210, the guide groove 214 of the right moving plate 220 is exposed to the outside and the guide groove 214 is guided for a certain section Is formed.

The lock unit 400 is divided into a left lock 410 and a right lock 420, and the left lock 410 and the right lock 420 have a diameter larger than that of the movable plate 200 and have a flange of the inner pot 510. Configured to round correspondingly with portion 520.

Reference numeral 540 is a pressure packing is fixed to the inner pot lid.

4 and the guide pins 211 and 221 face the inclined surface 120 formed on the step 110 of the handle 100 when the handle 100 is coupled to the upper middle of the lid 530 as shown in FIG. 4. It becomes a state, the lower end of the moving plate 200 is a state in which the lock portion 400 is coupled, the lock portion 400 is a state in which the flange portion 520 of the inner pot 510 is constrained.

Pressing the handle 100 formed in the middle of the top of the lid 530 to open the lid 530 in the above state, the handle 100 is lowered by the user's pressing force. At this time, the guide pins 211 and 221 move along the inclined surface 120 and overcome the spring force of the return spring 300 by the guide pins 211 and 221 moving along the inclined surface 120. When the right side plates 210 and 220 open to the left and right, respectively, the left and right locks 410 and 420 of the lock portion 400 coupled to the flange portion 520 of the inner pot 510 are opened to both sides, so that the lid 530. The locked state is released, and the lid 530 is opened.

On the contrary, when the lid 530 is closed, the left and right movable plates 210 and 220 of the movable plate 200 are moved inward by the restoring force of the return spring 300 when the handle 100 is raised. Accordingly, the left and right locks 410 and 420 of the lock unit 400 are coupled to the flange portion 520 of the inner pot 510 to maintain the lid 530 locked state. At this time, the guide pins 221 and 221 are returned to their original shape along the inclined surface 120 to be in a standby state to open the lid 530.

As described above, according to the present invention, when the handle is lowered, the lid is unlocked, and when the handle is raised, the lid is locked. Meanwhile, the pressure packing is prevented from being pulled to one side during the opening and closing operation, thereby improving 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 (5)

In the lid opening and closing device of the electric thermal pressure cooker to open and close the inner pot and coupled to the main body, A handle 100 operated by a user; A pair of moving plates 200 linearly reciprocating a predetermined section on the inner pot lid 500 by vertically operating the handle 100; A lock unit 400 coupled / separated from the flange portion 520 of the inner pot 510 as the movable plate 200 linearly reciprocates; Opening and closing the lid of the electric thermal pressure cooker, characterized in that consisting of a return spring 300 is coupled between the engaging projections (212,222) so that the lock portion 400 moved outward by the handle 100 can be returned to the original Device. The inclined surface 120 of claim 1, wherein the handle 100 has a stepped portion 110 formed at a lower end thereof, and the stepped portion 110 is guided along the guide pins 211 and 221 to operate the moving plate 200. Lid opening and closing device of the electric thermal pressure cooker, characterized in that the formation. According to claim 1, The moving plate 200 is divided into a left moving plate 210 and a right moving plate 220, the guide pins (211, 212) on the handle 100, the upper end in a state where both ends overlap each other inwardly Is formed in a position corresponding to the inclined surface 120, the middle of the lid opening and closing device of the electric thermal pressure cooker, characterized in that the long grooves (213, 223) are formed respectively. According to claim 4, The left moving plate 210 is electrically insulated, characterized in that the guide groove 214 is formed so that the guide pin 221 of the right moving plate 220 is exposed to the outside and guided for a certain period Lid opening and closing device of pressure cooker. According to claim 1, wherein the lock portion 400 is divided into a left lock 410 and a right lock 420, the left lock 410 and the right lock 420 has a larger diameter than the moving plate 200 Has a lid opening and closing device of the electric thermal pressure cooker, characterized in that the round load corresponding to the flange portion 520 of the inner pot (510).