JP3016046U - Electric warming pressure rice cooker lid lock device - Google Patents

Abstract

(57) [Summary] [Purpose] The locking and opening / closing operation of the lid is very quick and simple, and the manufacturing process of the inner container is also very simple, so productivity is improved, and the knob for adjusting the lock bar is attached to the lid. Since the lock device operates by being rotated in the state of being placed in the center of the upper part of the lid, the appearance is simple and the selection of installation places is wide, and the lock bar can be operated with one hand, so the lid lock device can be handled easily Is to provide. [Structure] By rotating a knob 10 installed on a lid 7 while being exposed to the outside, a plurality of lock bars 50 axially installed on a rotating disc 42 of an operating member 40 are moved forward and backward. A structure in which the lock bar 50 is selectively inserted into and removed from the annular locking groove 70 formed integrally with the edge portion of the inner container 2 so that the lid 7 can be locked and unlocked. The locking groove 70 is not formed locally, but is provided over the entire upper peripheral edge of the inner container 2.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a lid lock device for an electric insulation pressure rice cooker, and more specifically, an operating member is rotatably installed within a predetermined angle range so as to be interlocked with a knob installed in the center of the upper surface of the lid. A lid locking device for an electric heat insulation pressure cooker that locks and unlocks the lid by rotating the disc so that a plurality of lock bars axially installed on the edge of the disc can be advanced and retracted at the same time. It is about.

[0002]

[Prior art]

 In general, various types of lid opening / closing devices have been introduced. One of them, the technical content of Japanese Patent Publication No. 61-41206, is briefly described as follows: an internal container into which an object to be cooked is charged. When the lid is closed, the airtightness that can maintain the set high temperature and high pressure in the cooking situation is an absolute requirement.Therefore, in order to satisfy the applicable condition, the lid should be placed near the top edge of the inner container of the pot. With an inner lid that can maintain airtightness by being closely attached to, and a hook that has a locking projection that engages correspondingly with a locking projection that is formed on the peripheral edge of the inner container. When the handle formed on the lock disk is moved in an arc, the inner lid is airtight and unlocked while being in close contact with the upper edge of the inner container.

In addition, to describe the technical contents presented in Korean Utility Model Publication No. 94-1932, an inner container in which the locking projections 10a are radially formed at the upper end periphery inside the rice cooker main body 100 is described. When the lid 10 is seated and the lid 20 is opened / closed with respect to the inner container 10, a locking projection 21a corresponding to the locking projection 10a is provided, and the handle 21b exposed to the outside is moved in an arc to form a meshed state. In an ordinary electric insulation rice cooker in which the inner lid 22 is in close contact with the inner container 10, the lid main body 20a forming the lid 20 is provided with a circular guide member 23, and An annular hook and an unlocking rotary body 21 provided with a locking projection 21a corresponding to the locking projection 10a of the container 10 and provided with a handle 21b are rotatably assembled in the inner area of the guide member 23, and , A disc-shaped inner lid 22 capable of sealing the upper end peripheral edge of the inner lid 22 is attached to the outside of the unlocking rotary body 21 by a fastening member 22a.

[0004]

[Problems to be solved by the device]

 However, according to the technique of Japanese Patent Publication No. 61-41206, the inner lid, the hook, and the unlocking disc have a disc shape and are superposed on the central portion of the lid at the assembly center axis. Since it is configured, the weight is applied to the entire lid, so that it is necessary for the user to operate the unlocking disc by operating the unlocking disc, including the cause of the failure due to the excessive weight for opening and closing the lid. There is a defect that requires operating force, and the airtight and close contact state is maintained by maintaining the gap between the inner lid and the lock and the unlocking disc in the centrally overlapped state. There was a drawback that the hermetically sealed state could not be maintained due to the change phenomenon of.

Further, according to the technique of Korean Utility Model Publication No. 94-1932, there are the following problems.

[0006] When opening and closing the lid, the locking projections of the inner container should be hooked, and the locking projections of the unlocking rotating body should be arranged in mutually separated states, that is, in a state that does not hinder vertical movement. There is a problem that handling is very troublesome.

Since the locking protrusion and the locking groove should be separately formed on the edge of the inner container or the hanging or unlocking rotary member, the manufacturing process is complicated and the productivity is lowered.

Since the turning handle of the hanging and unlocking rotary body is configured to project to the side surface of the rice cooker main body, the appearance is not simple, and the turning handle is moved within the predetermined guide slot, and the predetermined Since there is an indispensable requirement for the rotation allowance space, there is a limit to the location.

When the rotating handle is rotated, the rotating handle should always be rotated with one hand pressing the rice cooker main body so as not to move, so that the hanging and unlocking work is not quick and easy. is there.

The present invention has been made in order to solve and complement the above-mentioned various problems of the related art, and the rotation disk of the operating member is rotated by the rotation of the knob installed on the lid while being exposed to the outside. By allowing a plurality of lock bars that are axially installed in the container to move forward and backward, the lock bars can be selectively inserted into and removed from the annular locking groove that is integrally formed at the edge of the inner container. , The lid can be locked and unlocked, and the locking groove is not formed locally but is provided over the entire upper peripheral edge of the inner container, so that the locking and opening / closing operation of the lid is extremely easy. It is quick and easy, and the process of making the inner container is very simple, which improves productivity and the locking device operates by rotation with the lock bar adjustment knob located in the center of the top of the lid. , When the appearance becomes concise It is an object of the present invention to provide a lid lock device that allows a wide range of installation locations and allows the lock bar to be operated with one hand, thus facilitating handling.

[0011]

[Means for Solving the Problems]

 The present invention to achieve the above object is to provide an inner container inside a rice cooker main body, open and close so as to be rotatable about a fixed shaft, and have a locking means at one end. In an electric insulation pressure cooker equipped with a lid attached to the lid, a knob is provided rotatably in the upper center of the lid and has a fastening hook, and is located immediately below the knob, and is attached to the inner frame of the lid. The shaft support pipe to be installed and the side flange of the shaft support pipe are formed with arc-shaped guide slots that are drilled at a predetermined angle so as to face each other, and hook locking holes are formed at the upper end, and are inserted into the guide slots. An operating member composed of a rotating piece and an annular rotating disk integrally formed at the lower end of the rotating piece, and a rotating disk movably mounted on the rotating disk. Of multiple lock bars that move forward and backward by the angular movement of A guide member for guiding the movement trajectory so as not to be changed, and an annular lock formed on the upper edge of the inner container so that the end of the lock bar is selectively supported by the operation of the knob. The groove and the groove are connected to each other.

[0012]

【Example】

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

The lid lock device for an electric warming pressure cooker according to the present invention accommodates an internal container 2 inside a cooker body 1, is rotatably opened and closed about a fixed shaft 3, and has locking means 4 at one end. In the electric insulation pressure cooker including the lid 7 to which the inner lid 6 is attached by the fastening member 5, the knob 10 provided rotatably in the upper center of the lid 7 and including the fastening hook 11. The shaft support pipe 20 located directly below the knob 10 and installed in the inner frame 7'of the lid 7, and the side surface flange 20 'of the shaft support pipe 20 are perforated at a predetermined angle so as to face each other. A guide elongated hole 30 having a circular arc shape and a hook locking hole 43 formed at the upper end, and a rotating piece 41 inserted into the elongated guide hole 30 and an annular piece integrally formed at the lower end of the rotating piece 41. The actuating member 40 including a rotating disc 42, and A plurality of lock bars 50 axially movably mounted on the rotary disk 42 and moving forward and backward by the angular motion of the rotary disk 42, and a guide for guiding the motion trajectory of the lock bar 50 so as not to change. The member 60 and the annular locking groove 70 formed at the upper edge of the inner container 2 for allowing the end of the lock bar 50 to be selectively inserted and supported by the operation of the knob 10 are coupled to each other. It is configured by.

In the figure, an unexplained reference numeral 80 is a resilient spring, 81 is a sealing packing attached to the inner lid 6, and 82 is a safety device.

The operation and effect of the present invention constructed as above will be described in detail as follows.

The solid line in FIG. 1 shows the locked state of the lid 6, and the solid line in FIG. 3 shows the state in which the lock bar 50 is not inserted into the locking groove 70 of the internal container 2, that is, the unlocked state. In this state, in order to operate the locking device, the knob 10 is turned in a predetermined direction, and the turning piece 41 connected to the hook 11 of the knob 10 is turned to the end of the elongated guide hole 30 as shown in FIG. As the rotating disc 42 rotates within a predetermined angle, the lock bar 50 axially installed on the rotating disc 42 is advanced and inserted into the locking groove 70 of the inner container 2 as shown by the chain line. The lid 7 is locked as in the state of.

In such a state, the sealing packing 81 of the inner lid 6 is brought into close contact with the upper edge portion of the inner container 3, so that leakage of air pressure is prevented.

On the other hand, when the completion of cooking is recognized, the air pressure of the inner container 2 is exhausted through the exhaust valve, and then the knob 10 is turned in the opposite direction to the lock bar 50 to return to the initial state. After the locking means 4 is released from the locking groove 70 as described above, the locking of the locking means 4 is released, and then the lid 7 is opened.

[0019]

[Effect of device]

 In the present invention, since the knob 10 is located on the center line of the rice cooker main body 1, that is, on the weight center line, movement of the rice cooker is prevented when the knob 10 is operated, and it can be easily operated by hand. Not only is it simple, but also the location can be set easily, the lock bar 50 can be moved back and forth smoothly, and no unreasonable weight is applied to the operating components. Therefore, the knob 10 is easy to handle and requires little force.

Further, since the locking groove 70 is provided over the entire upper peripheral edge portion of the inner container 2, when the lid 6 is closed, the locking projection of the inner container is separated from the locking projection of the lid as in the conventional case. Compared with the ones that should be placed one by one, the lock bar 50 is locked and unlocked regardless of the direction of the inner container 2, so there are many advantages such as quick and easy handling. There is a useful idea.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a main portion of a rice cooker showing a state in which a lid locking device of the present invention is applied.

FIG. 2 is an exploded perspective view of a lid locking device of the present invention.

FIG. 3 is an exemplary plan view showing an operating state of the lid locking device of the present invention.

[Explanation of symbols]

 10 Knob 20 Shaft Support Body 30 Guide Long Hole 40 Actuating Member 41 Rotating Piece 42 Rotating Disc 43 Hook Locking Hole 50 Lock Bar 60 Guide Member 70 Locking Groove

Claims (1)

[Scope of utility model registration request] 1. An inner container 2 is disposed inside a rice cooker main body 1, is opened and closed so as to be rotatable about a fixed shaft 3, a locking means 4 is provided at one end, and an inner lid 6 is fixed by a fastening member 5. In an electric warming pressure cooker including a lid 7 attached, a knob 10 that is rotatably installed in the upper center of the lid 7 and includes a fastening hook 11, and a lid 10 that is located immediately below the knob 10. 7, a shaft support tube 20 installed in the inner frame 7 ', a side guide flange 20' of the shaft support tube 20 and an arcuate guide elongated hole 30 drilled at a predetermined angle so as to face each other, and a hook at the upper end. An actuating member 4 having a locking hole 43 formed therein and including a rotating piece 41 inserted into the elongated guide hole 30 and an annular rotating disk 42 integrally formed at the lower end of the rotating piece 41.
0, and is rotatably mounted on the rotating disc 42,
A plurality of lock bars 50 that move forward and backward due to the angular movement of the lock bar 50; A lid lock device for an electric insulation pressure cooker, characterized in that the lock bar 50 is configured to be coupled to an annular locking groove 70 for selectively supporting the end portion of the lock bar 50 by an operation.