JPS6031635Y2 - Automatic stop mechanism of electric cooker - Google Patents

Description

[Detailed description of the invention] This invention rotates a predetermined rotary cutter with a motor,
A switch mechanism that switches the operating mode of the motor for driving the rotary cutter in an electric cooker that cooks food materials such as meat and vegetables by cutting or rubbing them together is automatically turned off under predetermined conditions. This invention relates to an automatic stop mechanism for an electric cooker.

Conventionally, the ON/OFF switching operation of the switch mechanism for switching the operating mode of the motor in the above-mentioned electric cooking appliances has been performed exclusively by manual operation.

Therefore, even after the desired cooking food material is put into a portion of the rotary cutter and the cutting and cooking of the food material is finished, the rotary cutter will continue to rotate unless the switch mechanism is manually turned off. Put it away.

This rotary cutter will continue to rotate without any load. Leaving the rotary cutter in the rotating state even after switching cooking is finished is not only a waste of electricity, but is also extremely dangerous. It is.

In other words, if you forget to turn off the switch and remove the lid that covers the rotary cutter to take out the cooked food after cutting and cooking, the rotary cutter that rotates at high speed will be exposed and hurt your hands and fingers. Danger arises.

Therefore, the present invention is proposed with the aim of ensuring the safety of cutting, cooking, etc. by automatically stopping the motor for driving the rotary cutter when the food material has been fed into a portion of the rotating cutter, that is, when cutting and cooking are completed. It is what was done.

Hereinafter, the present invention will be described with reference to embodiments shown in the drawings.

As shown in FIG. 1, the present invention is equipped with a rotary cutter 2 that is fitted onto the output shaft of a motor built into an electric cooker body 1 and rotated by the motor to cut and cook food materials. It has a storage container 3.

As described above, this storage container 3 is provided with the rotary cutter 2 and constitutes a cutting/cooking section, and also constitutes a storage section for storing cooked food.

The upper end side of the storage container 3 has an opening 4 so that the rotary cutter 2 can be removed freely, and an upper lid 5, which is a cover, can be removably fitted into the upper end opening 4. It is configured.

This lid 5 has a storage container 3 in which a rotary cutter 2 is disposed.
A cylindrical food inlet 6 into which food materials for cooking are introduced is arranged so as to stand upright.

The food inlet 6 may be formed integrally with the upper lid 5, or may be constructed separately from the upper lid 5 so as to be removable as shown in the figure.

The cylindrical food inlet 6 is disposed on the upper M5 so that one side edge is located near the outer peripheral edge of the upper lid 5,
A guide groove 7 is provided in the peripheral wall of the food inlet 6 in the axial direction (height direction in the figure) over substantially the entire length thereof.

Note that the guide groove 7 may be one in which at least the upper end of the food inlet 6 is open, and the lower end of the food inlet 6 may be open or closed.

Furthermore, the present invention has a push rod 8 that presses and supports the food material introduced into the food inlet 6 against the rotary cutter 2 disposed in the storage container 3.

This push rod 8 is formed to have a slightly smaller diameter than the diameter of the food input port 6, and is formed to have approximately the same length as the food input port 6.

Further, a handle portion 9 of the push rod 8 is provided on the upper end side of the push rod 8.
and a protruding piece 1 inserted into the guide groove 7 at the base end.
0 is provided so as to protrude laterally, and when inserted into the food inlet 6, the protrusion 10 is inserted so as to engage with the guide groove 7, and is guided by the guide groove 7 to insert the food. It is configured to move forward and backward within the mouth 6.

Further, the side portion of the electric cooker main body 1 on which the motor is installed and the storage container 3 is placed is configured to be parallel to the storage container 3, and the drive circuit section of the motor, the storage section for the power cord, etc. are arranged in parallel with the storage container 3. A mechanical section 11 constitutes the structure.

In addition to the drive circuit described above, the mechanism section 11 is provided with a switch mechanism 12 for switching the operating mode of the motor for driving the rotary cutter 2, as shown in FIG.

This switch mechanism 12 includes a first operating rod 13 that constitutes a first switch that selects a high rotational speed of the motor.
A second operating rod 14 constituting a second switch for selecting the speed to be low, and a third operating rod 15 constituting a third switch that remains ON as long as it is manually pressed are arranged side by side. At the same time, the first and second operating levers 13.1
4, and a lock plate 16 that preferentially locks the operated one of the four, and a lock release operation lever 17 that releases the lock by the lock plate 16.
It is configured in parallel with 14 and 15.

The lock plate 16 is biased in the direction of arrow A in FIG. 2 by a spring 18, and the first and second operating rods 13.1
The engaging portion 21.4 engages with the engaging protrusion 19.20 provided on the engaging portion 21.4.
22 is formed.

Further, a portion corresponding to the protrusion 23 of the third operating rod 15, a portion corresponding to the protrusion 23 of the lock operating rod 15, and a portion corresponding to the protrusion 24 of the unlocking operating rod 17 are inclined sliding surfaces 25 and 26, respectively. It is formed as.

When the switch 99812 is operated by pressing the operating rod 17 for unlocking, the protrusion 24 of the operating rod 17 presses the inclined sliding surface 26 of the locking plate 16, and the locking plate 16 is moved against the spring 18. 13.14 capable of sliding in the opposite direction of arrow A and engaging with the locking plate 16;
Acts to unlock.

Therefore, this lock release operation lever 17 acts to turn off the switch mechanism 12.

That is, the switch mechanism 12 is configured to be always in the OFF state by sliding the lock plate 16 against the spring 18 in the direction opposite to arrow A in the figure.

The present invention extends one end of the lock plate 16 of the switch mechanism 12, that is, the end of the lock plate 16 in the direction biased by the spring 18, from the main body of the electric cooker, and It is configured to face a position near the proximal end of the guide groove 7 provided in the opening 6 and to come into contact with a protrusion 10 provided on the push rod 8 inserted into the food input opening 6. The pressing operation section 27 is formed by the projecting piece 10.

In this way, one end of the lock plate 16 is exposed to a position near the proximal end of the guide groove 7, and by using the push rod 8 as a push operation section 27 by the protrusion 10, the push rod 8 can be moved into the food input slot 6.
When the protruding piece 10 provided at the base end of the push rod 8 reaches the proximal end of the guide groove 7, the pressing operation portion 27 is pressed by the protruding piece 10, and the locking plate 16 is pressed against the spring 18.
Slide it in the direction opposite to the arrow A in the figure.

When the lock plate 16 is slid against the spring 18, the operating rod 1 can be engaged with the lock plate 16 as described above.
3 and 14 are always in the released state, and the switch mechanism 12
is always kept in the OFF state.

Therefore, the food material is put into the food inlet 6, and cutting and cooking is performed while being pressed by the push rod 8. When the cutting and cooking of the food material is completed, the push rod 8 reaches the base end of the food inlet 6, Along with this, the protruding piece 10 also has a guide groove 7.
reaches the proximal end of.

Since the switch mechanism 12 is turned OFF by pressing the protrusion 10, the rotation of the motor can be automatically stopped upon completion of cutting and cooking without having to operate a push button or the like of the switch mechanism 12. I can do it.

Note that the switch mechanism constituting the present invention is not limited to the above-mentioned example, but has a locking plate that can be configured to be pressed and operated by the protrusion provided on the push rod in relation to the protrusion. The selectable operation modes are not limited to the above-mentioned examples.

As described above, according to the present invention, unlike conventional methods, the rotary cutter does not have to continue to rotate without a load after cooking is finished, and safety can be ensured.

[Brief explanation of drawings]

FIG. 1 is a schematic perspective view showing an embodiment of the present invention, and FIG. 2 is a schematic sectional view of the main parts thereof. 1...Electric cooker body, 3...Storage container, 5...Top lid, 6...Food inlet,
7... Guide groove, 8... Push rod, 10
...Protruding piece of the push rod, 12...Switch mechanism, 16...Lock plate, 27...Press operation section which is one end of the lock plate.

Claims (1)

[Scope of utility model registration request] A storage container in which a rotary cutter rotated by a motor is disposed, and a cylinder disposed in a top lid that fits into the upper end opening of the storage container and in which a guide groove is provided in the peripheral wall over substantially the entire length in the axial direction. a push rod inserted into the food inlet having a protrusion inserted into the guide groove at its base end; and an electric device for switching the operating mode of the motor for driving the rotary cutter. a switch mechanism disposed within the cooking device main body, one end of a locking plate for holding a switch operating rod of the switch mechanism is placed near a base end of a guide groove provided in the food inlet; When the push rod is inserted into the food inlet and the protrusion of the push rod reaches the base end of the guide groove, the hold plate is pressed by the protrusion to turn the switch mechanism into an OFF state. automatic stop mechanism for electric cookers.