JP4745120B2 - Structure of safety switch of rotary cooker - Google Patents

Description

  The present invention relates to a structure of a safety switch of a rotary cooker such as a juicer or a mixer.

  As described in Patent Document 1, a safety switch of a conventional rotary cooker uses a pin-like one that protrudes vertically from the apparatus main body and is pressed by attaching a cooking container to the apparatus main body. .

In a rotary cooker that fixes a cooking container with a bayonet, the cooking container may be horizontally rotated while being pressed against the apparatus body. Even in such a case, in order to be able to smoothly press the pin-shaped safety switch, the portion of the cooking container where the safety switch is pressed is made long in the rotation direction, or pressure that allows the safety switch to be pressed by rotation. What is necessary is just to make it have the inclination which forms a corner | angular. However, in such a structure, there is a risk that the motor is started by pressing the safety switch even when the cooking container is not completely attached. If the safety switch is pressed with a small protrusion so that the proper mounting angle of the cooking container can be detected, a sufficient pressure angle cannot be obtained, and the safety switch cannot be operated smoothly, or a pin-shaped safety There was also a risk of deformation or breakage due to horizontal force acting on the switch.
JP 2004-337524 A

  Then, this invention makes it a subject to provide the structure of the safety switch of the rotary cooker which can be smoothly pressed down also by rotating a cooking container in a horizontal direction.

In order to solve the above-mentioned problem, the structure of the safety switch of the rotary cooker according to the present invention is provided in an apparatus main body to which a cooking container is attached, and is pivotally supported by a pivot shaft inside the apparatus main body. , A projecting portion that extends from the pivot support and projects upward from the apparatus main body, and a lock mechanism provided in the apparatus main body by driving around the pivot support shaft to drive the rotary cooker. A safety switch lever having an operating portion, and the projecting portion is inclined on the upper surface from the top toward the inside of the apparatus main body, and an inclined portion on which the member of the cooking container can contact is provided. Yes, and the top has two protrusions adjacent said two protrusions, when the cooking container is not mounted, the pivot portion side of it is low, and properly mounting the cooking container Sometimes the two are approximately the same height and the part of the cooking container It shall contact between the two protrusions when properly mounted the cooking container.

According to this configuration, when the cooking container is rotated and attached to the apparatus main body, the safety switch lever is gradually pushed down while the member of the cooking container slides on the inclined portion, so that a large load is not applied to the safety switch lever. The safety switch works smoothly. In addition, since the cooking container abuts between the two convex portions, the reaction force of the safety switch lever acts in a direction perpendicular to the protrusion of the cooking container, and the cooking container member is not greatly bent, and cooking is performed. There is no deformation or breakage of the container members.

  Moreover, the structure of the safety switch of the rotary cooker by this invention WHEREIN: The said inclination part may be extended toward the said pivot part from the said top part.

  According to this configuration, the turning radius necessary for securing the vertical stroke of the top portion can be allocated to the horizontal distance necessary for reducing the inclination of the inclined portion. There is no need to increase the size of the safety switch.

  Further, in the structure of the safety switch of the rotary cooker according to the present invention, the cooking container is mounted on the apparatus main body with a bayonet, and the pivotal support is upstream of the rotation direction of the cooking container for mounting on the apparatus main body. It may be arranged on the side.

  According to this configuration, since the protrusion of the cooking container only contacts the upstream side of the top, it is only necessary to provide the inclined portion in one direction, the safety switch lever can be made smaller, and the safety switch lever can be pressed more smoothly. Can do.

Moreover, in the structure of the safety switch of the rotary cooker according to the present invention, a lid may be attached to the cooking container, and the member of the cooking container may be an operation pin that is pushed down by the lid and protrudes.

  According to the present invention, since the safety switch lever is provided with the inclined portion that forms a pressure angle that allows the safety switch lever to be pressed vertically by the horizontal rotational force of the cooking container, the cooking container is rotated while being pressed against the apparatus body. Even if it is installed, the safety switch operates properly.

Embodiments of the present invention will now be described with reference to the drawings.
FIG. 1 shows a juicer 1 having a structure of a safety switch for a rotary cooker according to a first embodiment of the present invention. In the juicer 1, a cooking container including a partition container 3, a partition plate 4, a lid 5, and an exterior cover 6 is mounted on the apparatus main body 2. The partition container 3 can be fixed to the apparatus main body 2 by the bayonet 7 by rotating in the direction of arrow R. An inverted frustoconical rotary filter 8 having a flat cutter at the bottom is connected to a rotary joint 9 that can be rotated by a motor built in the apparatus body 2 and supported in a cooking container.

  A safety switch lever 10 is provided on the upper part of the apparatus main body 2, and when the safety switch lever 10 is pressed, the operation button 11 is pushed in so that the juicer 1 can be operated. The safety switch lever 10 is driven by pressing the operation pin 12 held by the partition container 3 through the projection 13 of the lid 5 by the exterior cover 6.

  FIG. 2 shows a cross section of the juicer 1. The safety switch lever 10 is configured to depress a lock release lever 14 that constitutes a part of the lock mechanism of the operation button 11. The lock release lever 14 is urged upward and normally pushes up the safety switch lever 10 and locks the operation button 11 in an inoperable state. When the safety switch lever 10 is pressed down, the lock of the operation button 11 is locked. Is released to enable the operation of the juicer 1.

  FIG. 3 shows the structure of the safety switch in more detail. The safety switch lever 10 includes a pivot part 16 pivotally supported by a pivot axis 15 located upstream in the rotation R direction of the compartment 3 for mounting on the apparatus main body 2 by the bayonet 7, and the pivot part 16 to R A protrusion 17 that extends downstream in the direction and protrudes upward from the opening of the apparatus main body 2 is formed at the tip of the protrusion 17, and the lock release lever 14 is moved by pivoting around the pivot shaft 15 of the safety switch lever 10. The operation unit 18 is pressed down.

  The projecting portion 17 is formed in an approximately “<” shape, and an upper surface of the projecting portion 17 is inclined from the top portion 19 that is a bending point toward the pivot portion 16 inside the apparatus main body 2 and extends. The extending portion 21 extends from the top portion 19 toward the operation portion 18 inside the apparatus main body 2.

  More specifically, the top portion 19 includes a first convex portion 22 having a convex shape on the pivot portion 16 side and a second convex portion 23 having a convex shape adjacent to the operation portion 18 side of the first convex portion 22. Have.

  FIG. 3 shows a state in which the compartment container 2 is attached to the apparatus main body 2 with the bayonet 7 and the exterior cover 6 is not attached. At this time, the first convex portion 22 is lower than the second convex portion 23. It is formed to become.

  When the outer cover 6 is attached after the partition container 3 is closed with the lid 5, the operation pin 12 of the partition container 3 is pressed through the protrusion 13 of the lid 5, and the second convex portion 23 of the safety switch lever 10 is pressed. The safety switch lever 10 is pivoted about the pivot shaft 15 in contact. Since the safety switch lever 10 rotates in a direction in which the inclination of the inclined portion 20 becomes smaller, the second convex portion 23 moves in a direction away from the pivot shaft 15 in the horizontal direction.

  When the exterior cover 6 is pushed down and completely attached to the apparatus main body 2, the safety switch lever 10 has the first convex portion 22 and the second convex portion 23 at substantially the same height as shown in FIG. 12 is located approximately at the center between the first convex portion 22 and the second convex portion 23.

  The upward reaction force of the safety switch lever 10 due to the urging force of the unlocking lever 14 acts to bend the tip of the operation pin 12 in the lateral direction by the inclination of the top portion 19, but the tip of the operation pin 12 is the first. Since the convex portion 22 and the second convex portion 23 are in contact with each other, the reaction force of the safety switch lever 10 sandwiches the tip of the operation pin 12, and the first convex portion 22 and the second convex portion 23 It acts to position the center. That is, by providing the first convex portion 22 and the second convex portion 23 on the top portion 19, the safety switch lever 10 does not greatly deflect the operation pin 12, and the operation pin 12 is not deformed or damaged.

  5 and 6 show the operation of the safety switch when the compartment container 3 is closed by the lid 5 and rotated in the R direction and fixed by the bayonet 7. FIG.

  As shown in FIG. 5, on the upstream side in the R direction, the operation pin 12 is pushed so that the tip is lower than the top 19 of the safety switch lever 10 and close to the upper surface of the apparatus body 2, and then rotated in the R direction. Be made.

  As the partition container 3 rotates, the operation pin 12 moves in the R direction so that the tip contacts the inclined portion 20 of the safety switch lever 10. As shown in FIG. 6, when the operation pin 12 further moves in the R direction, the inclination of the inclined portion 20 becomes a pressure angle, and the safety switch lever 10 is pushed down to rotate about the pivot shaft 15.

  When the compartment container 3 reaches the proper mounting position, as shown in FIG. 4, the operation pin 12 comes into contact with the top 19 of the safety switch lever 10 and depresses the lock release lever 14.

  Further, as in the second embodiment of the present invention shown in FIG. 7, when it is necessary to provide the pivotal support portion 16 of the safety switch lever 10 on the rear side in the movement R direction of the operation pin 12, the inclined portion 20 is You may provide so that it may extend on the opposite side to the pivot 16.

  Further, as in the third embodiment of the present invention shown in FIG. 8, inclined portions 20 that are inclined toward the inside of the main body 2 may be provided on both sides of the top portion 19 of the safety switch lever 10. As a result, the safety switch lever 10 can be smoothly rotated and the operation button 11 can be unlocked regardless of whether the partition container 3 is mounted in the R direction or the reverse R ′ direction. In addition, the inclined portion 20 is formed in a curved surface so as to exhibit a certain inclination so that the safety switch lever 10 can be smoothly rotated when the operation pin 12 that horizontally moves at the height of the surface of the main body 2 is in sliding contact. May be.

  Further, as in the fourth embodiment of the present invention shown in FIG. 9, the operation unit 18 does not necessarily have to be provided at the end of the safety switch lever 10 opposite to the pivotal support portion 16. As in the fifth embodiment of the invention, it may be provided closer to the pivot shaft 15 in the horizontal direction than the top portion 19. Further, when the lock release lever 14 is reversely operated and the operation button 11 is unlocked by being pulled up, the operation portion 18 protrudes from the pivotal support portion 16 as in the sixth embodiment of the present invention shown in FIG. It may be provided so as to protrude on the opposite side of the portion 17.

The disassembled perspective view of the juicer which has the safety switch of 1st Embodiment of this invention. FIG. 2 is a cross-sectional view of the juicer of FIG. FIG. 3 is a detailed view of the safety switch when the lid is not closed in the juicer of FIG. 1. FIG. 2 is a detailed view of a safety switch when the cooking container is correctly attached in the juicer of FIG. 1. The detailed view of a safety switch when the rotation position of a cooking container has shifted | deviated in the juicer of FIG. FIG. 2 is a detailed view of a safety switch that is rotating the cooking container in the juicer of FIG. 1. The detail drawing of the safety switch of 2nd Embodiment of this invention. Detailed drawing of the safety switch of 3rd Embodiment of this invention. Detailed drawing of the safety switch of 4th Embodiment of this invention. Detailed drawing of the safety switch of 5th Embodiment of this invention. Detailed drawing of the safety switch of 6th Embodiment of this invention.

Explanation of symbols

1 Juicer (rotary cooker)
2 Main unit 3 Compartment container (cooking container)
5 Lid (cooking container)
6 Exterior cover (cooking container)
7 Bayonet 8 Rotary filter 10 Safety switch lever 12 Operation pin 14 Lock release lever (lock mechanism)
DESCRIPTION OF SYMBOLS 15 Pivot shaft 16 Pivot part 17 Protrusion part 18 Operation part 19 Top part 20 Inclination part 21 Extension part 22 1st convex part 23 2nd convex part

Claims (4)

In a rotary cooker in which a cooking container is attached to the apparatus body,
A pivot portion which is pivotally supported by the pivot shaft in the interior of the apparatus main body,
A projecting portion extending from the pivot and projecting upward from the apparatus body;
A safety switch lever having an operation unit that drives a lock mechanism provided in the apparatus main body by rotation around the pivot shaft and enables operation of the rotary cooker;
The protrusion on the upper surface, extending inclined toward the interior of the apparatus main body from the top, member of the cooking vessel have a sloped portion capable of contacting,
The top portion has two adjacent convex portions,
The two convex portions are lower on the pivot portion side when the cooking container is not attached, and when the cooking container is correctly attached, the two become substantially the same height,
The structure of the safety switch of the rotary cooker , wherein the member of the cooking container abuts between the two convex portions when the cooking container is correctly attached .   The structure of the safety switch of the rotary cooker according to claim 1, wherein the inclined part extends from the top part toward the pivotal support part. The cooking container is attached to the apparatus body with a bayonet,
The structure of the safety switch of the rotary cooker according to claim 2, wherein the pivot portion is arranged on the upstream side in the rotation direction of the cooking container to be mounted on the apparatus main body. A lid is attached to the cooking container,
The structure of the safety switch of the rotary cooker according to any one of claims 1 to 3, wherein the member of the cooking container is an operation pin that is pushed down by the lid and protrudes.

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