JPH0526031U - Electric cooking equipment - Google Patents

Abstract

(57) [Summary] (Correction) [Purpose] The blade member can be rotated by connecting the blade member and the drive shaft only when the ball container with the blade member attached to the drive unit is attached in a predetermined state. To ensure the safety of workers. A container is detachably attached to a drive unit, and a blade member connected to a drive shaft is rotatably attached in the container. A plurality of engaging claws are provided at the shaft end of the drive shaft, and the blade member is provided with a hollow first shaft having an opening at the upper end surface, a lower end portion rotatably supported, and the opening at the upper end portion. A second shaft having an engaged claw portion that can project through the second shaft;
It is composed of an elastic member for urging the shaft of the first shaft downward and an cutter attached to the lower end of the first shaft. When the container is attached to the drive unit with the blade member attached, the first shaft that comes into contact with the drive shaft is pushed downward against the elastic force of the elastic member, and the engaged claw of the second shaft is provided. The blade member can be rotated by projecting the portion from the opening and engaging the engaging claw portion of the drive shaft.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention is an electric cooking device for chopping and slicing cooking ingredients, and more specifically, a drive shaft of a drive unit when a ball container with a blade member attached to the drive unit is mounted in a predetermined state. The present invention relates to a blade member connecting mechanism for connecting a blade member.

[0002]

[Prior art]

 The applicant of the present application discloses, in Japanese Patent Application No. 3-7299, a main body case having a driving part in which a gripping part is provided on one side and an electric motor is built in the other side, and a first case rotatably supported by the driving part coaxially. And a second rotation shaft, a first gear train that connects the first rotation shaft and the electric motor, a second gear train that connects the second rotation shaft and the electric motor, and a first rotation A dish member which is inserted through the shaft so as to cover the upper surface of the drive unit, and a first rotary shaft which is attached to the first rotary shaft through which the dish member is inserted and which is attached with a blade for cooking the cooking material into a desired state. The cutter is detachably attached to the drive unit or the dish member so as to cover the first cutter, and the lid having the cooking material feeding portion for the first cutter and the second rotating shaft are attached. Cover the bottom of the drive unit, and make a through hole in the center. Mounted mounting plate, a ball container detachably mounted to the mounting plate, a bearing member mounted in the center of the ball container, a support shaft rotatably supported by the bearing member, and a lower end part supported. The lower end of the shaft member, which is connected to the shaft so as to be able to prevent rotation and whose upper end is connected to be able to engage and disengage with the second rotating shaft, extends radially toward the inner peripheral surface of the ball container. We proposed a small electric cooking device consisting of a second cutter to be ejected.

[0003]

[Problems to be solved by the device]

 However, in the above-described small electric cooking apparatus, the second rotary shaft and the second cutter are provided with the respective claw portions which engage with each other at the opposite shaft ends thereof, and the ball container is connected to the drive portion. When attached, the claw portions are engaged with each other so that the second rotating shaft and the second cutter are connected.

Therefore, even when the ball container to which the second cutter is attached is attached to the drive portion in an incomplete state, the claw portions are engaged with each other and connected.

That is, if the claw portions can be engaged with each other, the second drive shaft and the second cutter are connected even if there is a gap between the drive portion and the ball container.

Therefore, when the power switch is turned on in the incompletely mounted state as described above, the second cutter can rotate, which may cause injury to the worker. ..

This drawback is that a safety switch that is turned on is attached only when the ball container is attached to the drive unit in a normal state, and the safety switch of the power switch is turned on only when this safety switch is in the ON state. This can be solved by enabling the ON operation or the rotation of the second rotary shaft, but the safety switch mechanism becomes complicated and the number of parts increases, which causes a problem of high cost of the device.

The present invention was devised in order to solve the above-mentioned conventional drawbacks, and its purpose is to attach a ball container in which a blade member is mounted to a drive unit in a normal state. The purpose of the present invention is to provide an electric cooking device that can secure the safety of the worker by connecting the drive shaft and the blade member only when it is used.

Another object of the present invention is to provide an electric cooking device which can secure the safety of an operator and reduce the cost of the device without providing a safety mechanism.

[0010]

[Means for solving problems]

 Therefore, in the invention of claim 1, the drive unit rotatably supporting the drive shaft connected to the electric motor, the container detachably attached to the drive unit, and the drive unit rotatably attached to the drive unit. In an electric cooking device comprising a blade member connected to a shaft, a plurality of engaging claws are provided at the shaft end of the drive shaft, and the blade member has a plurality of openings on the upper end surface thereof which coincide with the engaging claws. A hollow first shaft having a hollow shaft and a hollow portion of the first shaft are movably supported in the axial direction, and a lower end of the hollow shaft is rotatably supported by a supporting shaft provided at the center of the container. And a second shaft having an engaged claw that can be projected through the opening at the upper end and a hollow part of the first shaft, and the second shaft is attached to the lower part of the axis. A cutter attached to the lower end of the first shaft, When the container is attached to the drive unit with the material attached, the first shaft that contacts the drive shaft is pushed downward against the elastic force of the elastic member, so that the second shaft is engaged. It is characterized in that the engaging claw portion is projected from the opening so that it can be engaged with the engaging claw portion of the drive shaft.

[0012] According to a second aspect of the present invention, a drive unit rotatably supporting a drive shaft connected to an electric motor, a container detachably attached to the drive unit, and a rotatably attached inside the container. , An electric cooking device comprising a blade member connected to a drive shaft, wherein a plurality of engaging claw portions are provided at a shaft end of the drive shaft, and the blade member has a plurality of engaging claw portions on an upper end surface thereof, the plurality of engaging claw portions corresponding to each other A hollow first shaft having an opening, and a hollow shaft of the first shaft are movably supported in the axial direction, and a lower end of the shaft is rotatably supported by a support shaft provided in the center of the container. The second shaft is supported and is attached to the hollow part of the first shaft and the second shaft having the engaged claw part which can be projected through the opening at the upper end, and the second shaft is moved downward in the axis line. It consists of an elastic member for urging and a cutter attached to the lower end of the second shaft. When the container is attached to the drive unit with the blade member attached, the first shaft that abuts the drive shaft is pushed downward against the elastic force of the elastic member so that the second shaft It is characterized in that the engaged claw portion of is projected from the opening so that it can be engaged with the engaging claw portion of the drive shaft.

[0012]

[Function of the device]

 Since the present invention is configured as described above, when the container in which the blade member is rotatably attached to the support shaft is attached to the drive unit, the first shaft is moved downward in the axial direction due to the contact with the drive shaft. Is pushed down to.

When the first shaft is pushed down, the engaged claw portion provided on the second shaft is inserted through the opening and protrudes upward to engage with the engaging claw of the drive shaft to rotate the blade member. Enable.

[0014]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a partially cutaway exploded perspective view showing an outline of an electric cooking apparatus.

FIG. 2 is a central longitudinal sectional view of the electric cooking device.

FIG. 3 is an exploded perspective view of the blade member.

The body case 3 of the electric cooking apparatus 1 is integrally formed with a grip portion 5 and a drive portion 7.

The grip portion 5 is formed with a grip hole 9 having a size through which a finger can be inserted.

The drive unit 7 is formed in a substantially cylindrical shape that extends in the horizontal direction in the middle portion of the main body case 3, and the first rotating shaft 11 is provided at the center of the upper portion of the drive unit 7 and the upper portion of the shaft is provided as the drive unit. It projects upward from the upper surface of 7 and is rotatably supported.

A second rotating shaft 13 is rotatably supported at the center of the lower part of the drive unit 7, and the lower part of the shaft is located inside the drive unit 7.

A shaft support hole 13b is formed in the center of the lower end surface of the second rotary shaft 13, and three engaging claws 13a are formed around the shaft support hole 13b at predetermined intervals around the axis. Has been formed.

An electric motor 15 built in the body case 3 is connected to the first rotating shaft 11 via a first gear train 17. An electric motor 15 is connected to the second rotating shaft 13 via a second gear train 19.

The first gear train 17 is set to a gear ratio that allows the first rotating shaft 11 to rotate at a low speed of about 300 to 500 rpm. The second gear train 19 is set to a gear ratio that rotates the second rotating shaft 13 at a high speed of about 2000 to 3000 rpm.

A dish plate 21 is detachably attached to the upper surface of the drive unit 7. A through hole is formed in the center of the plate 21 so that the first rotating shaft 11 is inserted therethrough.

A standing portion 21b is integrally formed on the outer periphery of the plate 21 with an opening 21c at the tip.

A first cutter 23 is removably attached to the first rotating shaft 11 which is inserted through the through hole. The first cutter 23 is a slicing cutter, and a notch (not shown) is formed on the upper surface of the first cutter 23 so as to extend in the radial direction from the central portion, and the notch has a lower side in the rotational direction. A blade (not shown) is attached to the upper surface of the first cutter 23.

A discharge plate 23 b is integrally formed on a part of the lower surface of the first cutter 23 so as to face the outer peripheral side from the center and to be close to the upper surface of the plate 21.

A lid 27 is detachably attached to the drive unit 7 to which the plate 21 and the first cutter 23 are attached.

A hanging portion 27a is integrally formed on the outer peripheral portion of the lid body 27 by providing an opening 27b at the tip portion, and a discharge guide portion 27c extends horizontally in the lid body 27 corresponding to the opening 27b. , Are integrally formed so as to hang downward.

A pair of engagement pieces 29 are integrally formed on the outer circumference of the lid 27, and an engagement hole (not shown) formed in the engagement piece 29 and an engagement protrusion formed on the outer circumference of the drive unit 7. The lid 27 is attached to the drive unit 7 by engagement with a portion (not shown).

An operating piece 31 extends horizontally in the hanging portion 27 a and is integrally formed so as to be insertable into an opening 33 formed in the main body case 3.

The cover 27 is integrally formed with a charging cylinder portion 35 so as to communicate with the inside.

A power switch 37 is attached through a safety mechanism (not shown) in the body case 3 corresponding to the opening 33, and a switch button 37 a of the power switch 37 projects from the upper surface of the body case 3.

A mounting plate 39 is attached to the lower surface of the drive unit 7. A through hole 39a is formed in the center of the mounting plate 39. Further, an engaging portion 39c is integrally formed on the outer periphery of the mounting plate 39, which stands up along the outer periphery of the drive portion 7, extends in the radial direction, and hangs downward.

A ball container 41 is detachably attached to the attachment plate 39 with its upper end edge engaged with the engagement portion 39c.

A support shaft 43 is attached to the center of the bottom surface of the ball container 41.

A blade member 45 is rotatably supported on the support shaft 43.

The outer shaft 47 forming the first shaft of the blade member 45 is formed in a hollow shape, and the blade mounting portion 49 is formed at the lower end portion of the outer shaft 47 so as to project in a radial direction at a diagonal position. Is formed integrally with the.

Two cutters 51 and 53 are fixed to the blade mounting portion 49, respectively.

A small-diameter shaft 55 is integrally formed on the upper end surface of the outer shaft 47, and three openings 57 are formed on the upper end surface corresponding to the circumference of the shaft 55 at equal intervals in the direction around the axis. ing.

The opening 57 is formed in a tapered shape in which the opening width gradually increases from the upper end to the lower end.

An inner shaft 59 forming a second shaft is inserted into the hollow portion of the outer shaft 47 so as to be movable in the axial direction.

Three engaging claws 61 are integrally formed on the upper end of the inner shaft 59 so as to be inserted into the opening 57.

Each of the engaging claws 61 is formed in a tapered shape whose width gradually increases from the upper end to the lower end.

Further, a mounting shaft 59a is integrally formed on the lower part of the inner shaft 59, and a wear-resistant bearing 63 of sintered metal or the like is inserted into the mounting shaft 59a.

The support shaft 43 is rotatably supported in a through hole 63 a provided in the center of the bearing 63.

A compression spring 65 as an elastic member is mounted between the inner shaft 59 and the outer shaft 47.

Next, the operation of the electric cooking apparatus configured as described above will be described with reference to FIGS. 4 and 5.

FIG. 4 is a partially cutaway perspective view showing the state in which the blade member 45 is attached to the ball container 41.

FIG. 5 is a perspective view, partly broken away, showing the connection between the blade member 45 and the second rotary shaft 13.

First, the cooking operation by the first cutter 23 will be described.

When the lid 27 is not attached to the drive unit 7, the operating piece 31 is in a non-penetrating state in the opening 33. Therefore, the safety mechanism operated by the operating piece 31 causes the power switch to operate. ON operation of 37 is disabled.

In the above state, when the dish plate 21, the first cutter 23 and the lid 27 are mounted on the upper surface of the drive unit 7 so that the operating piece 31 of the lid 27 is located in the opening 33, the operation is performed. The safety mechanism is released by the piece 31 to enable the ON device of the power switch 37.

When the power switch 37 is pressed, the electric motor 15 is driven to rotate the first cutter 23 in a predetermined direction to cook the cooking material fed from the feeding cylindrical portion 35 into a desired state. To do.

Next, a case of cooking with the blade member 45 will be described.

The bearing 63 is inserted into the support shaft 43 of the ball container 41 to attach the blade member 45 to the inside of the ball container 41.

At this time, since the outer shaft 47 is moved upward by the elastic force of the compression spring 65 with respect to the inner shaft 59, the engaging claw 61 is in a non-penetrating state with respect to the opening 57. ..

Next, after the mounting plate 39 is attached to the lower surface of the drive unit 7, the ball container 41 to which the blade member 45 is attached is attached to the mounting plate 39 so that the outer peripheral edge of the upper end of the ball container 41 is the engaging portion 39c. To engage with.

At this time, the second rotary shaft 13 and the blade member 45 are positioned by the shaft 55 of the outer shaft 47 inserted into the shaft support hole 13b.

Also, when the outer shaft 47 is pushed down against the elastic force of the compression spring 65 along with the mounting of the ball container 41 to the mounting plate 39, the engaging claws 61 of the inner shaft 59 move to the outer side. It projects from the opening 57 of the shaft 47 to the outside and is engaged with the engaging claw portion 13 a of the second rotating shaft 13.

At this time, since the opening 57 and the engaging claw 61 are tapered from the upper end toward the lower end, the engaging claw 61 can easily enter the opening 57.

As a result, the second rotary shaft 13 and the blade member 45 are connected to each other to enable the blade member 45 to rotate.

When the power switch 37 is pressed down in the above state, the driven electric motor 15 causes the second rotary shaft 13 to rotate in a predetermined direction and the blade member 45 to rotate in a predetermined direction. , The cooking material in the ball container 41 is cut and cooked in a predetermined state.

As described above, in this embodiment, when the ball container 41 is attached to the lower surface of the drive unit 7 so that the upper outer peripheral edge of the ball container 41 and the engaging portion 39c of the attachment plate 39 are securely engaged with each other, When the outer shaft 47 comes into contact with the second rotating shaft 13, the engaging claw 61 of the inner shaft 59 is projected from the opening 57 to be engaged with the engaging claw portion 13a of the second rotating shaft 13. The blade member 45 can be rotated by connecting 13 and the blade member 45.

Therefore, even if the safety mechanism is not provided, the second rotary shaft 13 and the blade member 45 are not connected to each other when the blade member 45 is not attached to the drive unit 7 in a predetermined state. By disabling the rotation of the blade member 45 in this state, the safety of the operator can be secured.

In the above description, the first cutter 23 that rotates at a low speed is attached to the upper part of the drive unit 7, and the blade member 45 that rotates at a high speed is attached to the lower part, but the present invention is simply put in the ball container. The cooking material may be cooked by a blade member that rotates at low speed or at high speed.

In the above description, the cutter is attached to the lower end of the outer shaft, but the invention of claim 2 is attached to the lower end of the inner shaft 71.

By thus attaching the cutter to the lower end of the inner shaft 71, the distance between the bottom of the ball container and the cutter is constant when the blade member is attached to the ball container and when the ball container is attached to the drive unit. Can be

Further, in the present invention, the cooking material is finely chopped by the cutters 51 and 53 of the blade member 45, but the kind of the cutter and the cooking mode are not limited to the present embodiment.

[0071]

[Effect of the device]

 Therefore, according to the present invention, the safety of the operator can be ensured by connecting the drive shaft and the blade member only when the ball container in which the blade member is attached to the drive unit is attached in a normal state. An electric cooking device that can be provided can be provided.

Further, the present invention can provide an electric cooking device that can secure the safety of the operator and can reduce the cost of the device without providing a safety mechanism.

[Brief description of drawings]

FIG. 1 is a partially cutaway exploded perspective view showing an outline of an electric cooking apparatus.

FIG. 2 is a central vertical cross-sectional view of the electric cooking device.

FIG. 3 is an exploded perspective view of a blade member.

FIG. 4 is an exploded perspective view, partly broken, showing a state in which a blade member is attached to a ball container.

FIG. 5 is a perspective view, partly broken away, showing the connection between the blade member and the second rotating shaft. 1: Electric cooking device 3: Main body case 5: Grip part 7: Drive part 11: First rotary shaft 13: Second rotary shaft 13a: Engaging claw part 15: Electric motor 23: First cutter 25: Blade 41: ball container 45: second cutter shaft 57: opening 61: engaging claw 65: compression spring as elastic member

Claims (2)

[Scope of utility model registration request] 1. A drive unit rotatably supporting a drive shaft connected to an electric motor, a container detachably attached to the drive unit, and a container rotatably mounted in the container and connected to the drive shaft. In an electric cooking device comprising a blade member, a plurality of engaging claw portions are provided at a shaft end of the drive shaft, and the blade member has a hollow shape having a plurality of openings at an upper end surface thereof, the openings corresponding to the engaging claw portions. Of the first shaft and the hollow portion of the first shaft so as to be movable in the axial direction, the lower end of which is rotatably supported by a support shaft provided at the center of the container and the upper end of which is supported. A second shaft having an engaged claw that can project through the opening; an elastic member that is attached to the hollow part of the first shaft and urges the second shaft downward in the axis line; It consisted of a cutter attached to the lower end of the first shaft, and a blade member was attached. When mounting the container on the drive unit in state,
When the first shaft that abuts the drive shaft is pushed downward against the elastic force of the elastic member, the engaged pawl portion of the second shaft is projected from the opening to the engaging pawl portion of the drive shaft. An electric cooking device, which is engageable. 2. A drive unit rotatably supporting a drive shaft connected to an electric motor, a container detachably attached to the drive unit, and a container rotatably attached in the container and connected to the drive shaft. In an electric cooking device comprising a blade member, a plurality of engaging claw portions are provided at a shaft end of the drive shaft, and the blade member has a hollow shape having a plurality of openings at an upper end surface thereof, the openings corresponding to the engaging claw portions. Of the first shaft and the hollow portion of the first shaft so as to be movable in the axial direction, the lower end of which is rotatably supported by a support shaft provided at the center of the container and the upper end of which is supported. A second shaft having an engaged claw that can project through the opening; an elastic member that is attached to the hollow part of the first shaft and urges the second shaft downward in the axis line; It consists of a cutter attached to the lower end of the second shaft, and the blade member is attached. When mounting the container on the drive unit in state,
When the first shaft that abuts the drive shaft is pushed downward against the elastic force of the elastic member, the engaged pawl portion of the second shaft is projected from the opening to the engaging pawl portion of the drive shaft. An electric cooking device, which is engageable.