JPH09122019A - Cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cooker like a food processor to work vegetables with the improved safety by allowing an engaging lug part of a rotary drive shaft to engage an engaging recess part of a disk and a fastening member to threadingly engage the rotary drive shaft so that the disk does not get out of the rotary drive shaft during use. SOLUTION: When a disk 55 is a braying cutter for example which is secured fixedly to a rotary drive shaft, first the rotary drive shaft 60 is inserted into an engaging hole 55a of the disk 55 from above the disk. A screw lug part 64 of the rotary drive shaft 60 is inserted into a through hole 58 of the disk 55 to make engaging lug parts 62, 62 contact with engaging recess parts 57, 57 of the disk 55 respectively. Next, a fastening member 71 is inserted in the rotary drive shaft 60 from the lower end and moved upward. After the screw lug part 64 abuts against a screw lug part 71a of the fastening member 71, the fastening member 7 is rotated so that the screw lug part 71a threadingly engages the screw lug part 64 to fixedly engage and fasten the rotary drive shaft 60.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention rotates a disk having a substantially disk shape having a blade on at least an upper surface in a container,
The present invention relates to a cooking device such as a hood processor that processes vegetables and other food materials.

[0002]

2. Description of the Related Art For example, in a conventional cooking device shown in FIG. 8, a container 2 made of glass or the like having a bottomed cylindrical shape with an upper surface opening is detachably attached to a lateral upper surface of a main body 1 made of synthetic resin or the like. ing. A rotary shaft 3 which is rotated by an electric motor (not shown) built in the main body 1 penetrates the lateral upper surface of the main body 1 and the bottom surface of the container 2, and is formed to project into the container 2. A lid 4 made of synthetic resin or the like is detachably attached to the upper opening of the container 2 to close the opening.

A rotary drive shaft 5 to which a disc 13 having a substantially disk shape is attached is detachably fitted on a rotary shaft 3 formed to project in the container 2.

The rotary drive shaft 5 is, as shown in FIG.
A substantially disc-shaped drive shaft main body 6 provided at an upper position
The driving shaft main body 6 is formed to project downward from the center of the driving shaft main body 6, and the rotation shaft 3 is detachably fitted into the fitting cylindrical portion 8. And a substantially cylindrical fitting protrusion 10 having a large number of blades 9 arranged in a line on the upper surface.

Further, on the outer peripheral wall of the fitting convex portion 10,
When the disk 13 is attached to the fitting protrusion 10, the disk 1
The positioning boss 11 is formed so that the upper surface of 3 and the upper surface of the fitting convex portion 10 of the rotary drive shaft 5 are substantially flush with each other. Further, a pair of concave knobs 16 for removing the fitting protrusion 10 upward from the rotary shaft 3 is formed.

Further, on the outer peripheral edge of the upper surface of the drive shaft main body 6,
A pair of engaging claws 7 are formed so as to project upward and elastically deform in the circumferential direction.

A disk 13 attached to the rotary drive shaft 5.
As shown in FIG. 6, a large number of blades 9 are provided on the upper and lower surfaces, and a round hole-shaped fitting hole portion 14 that fits with the fitting convex portion 10 of the rotary drive shaft 5 is formed at the center. Has been done. Further, outside the fitting hole portion 14, engagement holes 15, 15 with which the engagement claws 7, 7 of the rotary drive shaft 5 engage are provided, respectively.

In order to mount the disk 13 on the rotary drive shaft 5, first, the engaging claws 7, which are respectively deformed inward,
The tips of 7 are aligned with the engaging holes 15, 15 of the disk 13, respectively. Then, the engaging claws 7, 7 are attached to the engaging hole 1
When the engaging claws 7.7 are respectively set to free after being inserted into the discs 5 and 15, the engaging claws 7 and 7 try to return to their original positions, and the pressing force that presses outwardly is applied to the disc 13.
Act on. The disk 13 is connected to the rotary drive shaft 5 by this outward pressing force. Finally, pick the concave portions of the knobs 16 and 16 of the disk 13 engaged with the rotary drive shaft 5 with fingers,
The fitting cylinder portion 8 of the rotary drive shaft 5 is inserted and fitted into the rotary shaft 3 protruding into the container 8.

[0009]

As described above, the conventional disk 13 is mounted on the rotary drive shaft 5 by the rotary drive shaft 5 as described above.
The elastic force of the pair of engaging claws provided on the is utilized. Therefore, when vegetables or other food materials bounce on the disc 13, a part of the disc 13 comes into contact with the container 2, the disc 13 is disengaged from the rotary drive shaft 5, and the disc 13 collides with the container 2. There was a problem that it could lead to an accident.

Therefore, in order to prevent the disk 13 from coming off from the rotary drive shaft 5, the thickness of the engaging claws 7, 7 is increased so that the engaging claws 7, 7 are less likely to be elastically deformed. If an attempt is made to increase the attachment force to the rotary drive shaft 5, the disk 13 may not be attached to the rotary drive shaft 5 in some cases. As described above, there is a problem that it is very difficult to manage the elastic force of the engaging claws 7, 7.

The present invention has been made in view of the above points, and an object of the present invention is to provide a safe cooker in which the disc does not come off from the rotary drive shaft during use.

[0012]

In order to achieve the above-mentioned object, the cooking device of the present invention comprises a bottomed cylindrical container, a rotary shaft erected at the center of the bottom of the container, and the rotary shaft. And a rotation drive shaft having an engagement protrusion formed to project from the upper end surface in a substantially horizontal direction and a screw protrusion formed on an upper outer peripheral surface, and the rotation drive shaft is fitted in a central portion. A substantially disk-shaped disc having a fitting hole, an engaging recess for engaging the engaging projection at the outer peripheral edge of the fitting hole, and a blade at least on the upper surface, and a screw projection of the rotary drive shaft. A tightening member that is screwed onto the disk, the engaging projection of the rotary drive shaft is engaged with the engaging recess of the disk, and the tightening member disposed below the disk is attached to the rotary drive shaft. The disc is pinched by the engaging projection of the rotary drive shaft and the tightening member by being screwed onto the disc. Characterized in that fixed.

In the above structure, the mounting structure of the rotary drive shaft of the disk is configured such that the pair of engaging projections of the rotary drive shaft and the pair of engaging recesses provided on the upper surface side of the disk are engaged with each other. Insert the tightening member from below the rotary drive shaft,
The screw protrusions provided on the outer surface of the rotary drive shaft and the screw protrusions provided on the inner surface of the tightening member are rotated in the rotational direction of the disc to be screwed together, and the disc is formed into a pair of engaging protrusions of the rotary drive shaft. The disc is attached to the rotary drive shaft by being sandwiched between the fastening member and the fastening member. Therefore, even if the material bounces on the disk, the rotary drive shaft forming a part of the tightening member does not elastically deform in the outer peripheral direction unlike the engaging claws of the related art. Therefore, even if the disk touches the container, the tightening member does not loosen, which is safe.

Further, since the tightening member is rotated in the rotating direction of the disk and is sandwiched between the engaging convex portion and the tightening member, the tightening member is not loosened by vibration of the disk or the like. It's safe because it doesn't exist. Further, since the disk is attached to the rotary drive shaft only by fastening the tightening member to the screw portion of the rotary drive shaft, it is not necessary to adjust the elastic force of the engaging claws as in the prior art. It is easy to manage the mounting force.

Further, since the tightening member is arranged on the lower side of the disk, the upper surface of the disk can be effectively used. For this reason, it is not necessary to cut the material into small pieces, and it is possible to cook in a large shape.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS.

FIG. 4 is a cross-sectional view of essential parts showing the overall structure of the cooker according to the embodiment of the present invention.

Reference numeral 20 designates a box-shaped main body having a lower surface opened which houses an electric motor and a drive unit (not shown), and is formed between the protrusions on the upper peripheral portion of the base portion 20a formed on the lateral upper surface of the main body 20. A fitting groove 21 having a substantially arc shape is formed.
Further, a through hole (not shown) is provided in the central portion of the base portion 20a, and the rotary shaft 2 that protrudes from the through hole and is connected to the electric motor and the drive unit (not shown) to rotate.
5 are erected.

Further, the rotary shaft 25 has a base portion 20a.
A draining disk 24, which is in the shape of a substantially disk and is larger than the through hole (not shown), is mounted in close proximity to. The drain disc 24 prevents water or the like from entering the main body 20 through the through hole (not shown).

Reference numeral 30 denotes a glass container having a substantially bottomed cylindrical shape with an open top surface. A carrying handle 31 is integrally formed on the lateral side, and the bottom wall has a substantially trapezoidal cross section. An arcuate fitting protrusion 32 is formed so as to protrude downward. The fitting protrusion 32 is detachably fitted and mounted in the fitting groove 21 formed in the base portion 20a of the container 30. Further, a through hole 33 through which the rotary shaft 25 penetrates is formed in the central portion of the bottom wall of the container 30.

Reference numeral 40 is a standing cylinder having a substantially cylindrical shape. A threaded portion 40a is formed on the lower inner peripheral surface of the standing cylinder 40, and a seal rubber 41 is attached to the outer periphery of the lower end. . Further, reference numeral 45 denotes a mounting member having a substantially cylindrical shape, and a screw portion 45a to be screwed to the screw portion 40a of the standing tubular body 40 is formed on the upper portion of the outer peripheral surface of the mounting member 45.
Next, a procedure for attaching the standing cylinder 40 to the container 30 will be described. First, the seal rubber 41 attached to the standing tubular body 40 is placed inside the container 30 so as to contact the inner edge of the through hole 33 of the container 30. Next, the mounting member 45 is inserted into the through hole 33 from below the container 30, and the mounting member 45 is inserted.
By screwing the threaded portion 45 a of the upright tube with the threaded portion 40 a of the upright tubular body 40, the upright tubular body 40 is clamped and fixed to the container 30 by the attachment member 45. This standing cylinder 40 is used for the container 3
It is provided to prevent water leakage from the zero bottom wall. Further, the seal rubber 41 is for more surely preventing water leakage.

Reference numeral 50 denotes a deep dish adapter which opens upward.
Then, while being attached to the outer periphery of the upper portion of the standing tubular body 40,
The upper end of the opening of the adapter 50 is attached in proximity to the lower surface of the disk 55 described later. This adapter-50
Vegetables and other food materials are cut by the blades 56 of the disc 55, and the liquid substance accumulated inside the container 30 is rotated by the rotary shaft 2.
It is also to prevent the invasion into the inside 20 of the main body through the route 5.

The container 30 has a lid 5 with its upper opening closed.
1 is detachably attached. This lid 51 is for the main body 20
It has a fitting portion 51a that fits into the standing portion 20b located above the base portion 20a, and a downward switch pushing convex portion 52 is integrally provided on the inner surface of the fitting portion 51a. The switch pushing convex portion 52 is provided with the safety switch 5 mounted in the upright portion 20b when the lid 51 is put on the upright portion 20b.
3 is to be closed. The safety switch 53 is provided separately from the main switch (not shown), and when both these switches are closed, the electric motor (not shown) built into the main body 20 is operated.

Reference numeral 60 denotes a substantially cylindrical rotary drive shaft, which has a cylindrical portion 61 having an upper wall, and a pair of rectangular engaging projections 62, 62 protruding in opposite directions from the upper end of the cylindrical portion 61.
Consists of Further, on the line connecting the engaging convex portions 62, 62 and on the outer peripheral upper portion of the cylindrical portion 61 orthogonal to the axis O of the cylindrical portion 61, a screw convex portion inclined in the rotating direction of the cylindrical portion 61. 64 and 64 are formed respectively.

A fitting hole 60a fitted into the rotary shaft 25 is formed in the axial direction of the cylindrical portion 61, and a fitting convex portion 63 is formed below the fitting hole 60a. ing.

A fitting concave portion 26 is formed on the rotary shaft 25 corresponding to the fitting convex portion 63. The fitting convex portion 63 of the rotary drive shaft 60 is rotationally fitted into the fitting concave portion 26 of the rotary shaft 25, and the rotary drive shaft 60 rotates together with the rotary shaft 25. The rotary shaft 25 protruding from the base portion 20 a of the main body 20 is formed so as to project from the tip of the standing tubular body 40. The rotation shaft 25 is formed so as to project from the tip of the standing cylinder 40.
A rotary drive shaft 60, to which a disk 55 described later is assembled, is easily inserted into the rotary shaft 25.

Reference numeral 55 is a disk having a substantially disc shape, which is reversibly attached to the rotary drive shaft 60 so as to be replaceable. This disk 55 is made of synthetic resin, and as shown in FIG. 1, a large number of different small convex blades 56 are provided upright on the upper surface and the lower surface.

At the center of the disk 55, the rotary drive shaft 6
A fitting hole 55a into which the 0 cylindrical portion 61 is fitted is formed. Further, rectangular engaging recesses 57, 57 facing the pair of engaging protrusions 62, 62 formed at the tip of the rotary drive shaft 60 are formed on the periphery of the fitting hole 55a. Further, as shown by the dotted line in FIG.
The rectangular engaging recess 57 is formed on the rear surface side of the peripheral edge of the fitting hole 55a which is orthogonal to the engaging recesses 57, 57 through the axial center of 5.
a and 57a are formed respectively. Inside these engaging recesses 57, 57a, at the periphery of the fitting hole 55a, the screw protrusion 64 is formed.
Through holes 58, 58, 58, 58 are provided. Further, substantially fan-shaped knob holes 59, 59 are provided in the middle of the disk 55.

The material thickness t1 of the engaging projection 62 of the rotary drive shaft 60 and the depth t2 of the engaging recess 57 and the depth t3 of the engaging recess 57a of the disk 55 are t1 = t2, t1≤.
There is a relationship of t2 and t1 ≦ t3.

Reference numeral 71 is a substantially cylindrical tightening member. Rectangular grips 72, 72 are formed on the outer circumference of the tightening member 71, and the inner peripheral surface of the tightening member has a threaded projection of the rotary drive shaft 60. A plurality of screw convex portions 71a screwed to the portion 64 are formed.

In the cooker having the above structure, the disk 5
5 is, for example, a grater cutter, and this grater cutter
When the food material is rubbed down using a rotary drive shaft 6 from above the disk 55, as shown in FIG.
0 is inserted into the fitting hole 55a of the disc 55. Then, the screw protrusions 64 of the rotary drive shaft 60 are inserted through the through holes 58, 58 of the disc 55, respectively, and the engaging protrusions 62, 62 of the rotary drive shaft 60 are engaged with the engaging recess 5 of the disc 55.
7 and 57, respectively.

Next, when the tightening member 71 is inserted into the rotary drive shaft 60 from the lower end and moved upward, the lower surface of the screw projection 64 of the rotary drive shaft 60 and the screw projection 7 of the tightening member 71.
The upper surface of 1a hits. Then, when the tightening member 71 is rotated in the rotation direction of the disc 55, the screw convex portion 71a of the tightening member 71 and the screw convex portion 64 of the rotary drive shaft 60 are screwed together, and the disc 55 is rotated by the rotary drive shaft 60. Engaging projection 6
The clamping member 7 is sandwiched between the clamping members 7 and 2, 62 and the clamping member 71.
It is fixed by tightening with 1. That is, it is attached as shown in FIG. When the disc 55 and the rotary drive shaft 60 are engaged with each other by the tightening member 71, the upper surface of the engagement convex portion 62 of the rotary drive shaft 60 is the same as the surface of the disc 55 or slightly inserted deeply. It is in a state.

Finally, when a finger is inserted into and supported by the pair of knob holes 59 of the disk 55 assembled to the rotary drive shaft 60 and the rotary drive shaft 60 is inserted into the rotary shaft 25, the lower end of the rotary drive shaft 60 is inserted. Is abuttingly attached to the upper surface of the draining disk 24.

When the disk 55 is turned upside down, the tightening member 71 is removed from the rotary drive shaft 60, and the rotary drive shaft 60 is lifted upward to move the disk 55.
Remove from Next, the disc 55 is turned upside down, the rotary drive shaft 60 is inserted into the fitting hole 55a of the disc 55, and the tightening member 71 is inserted from below the rotary drive shaft 60 to rotate in the rotational direction of the disc 55. Let me disk 55
Is fixed to the rotary drive shaft 60 with a tightening member 71.

When the lid 51 is removed from the container 30 and food materials such as radish are put in the container 30, these food materials are placed on the upper surface of the disc 55. Then, the lid 51 is put on the upper opening of the container 30. Then
When the rotating shaft 25 is rotated by operating an electric motor (not shown), the rotary driving shaft 60 rotates due to the rotary fitting between the fitting concave portion 26 of the rotary shaft 25 and the fitting convex portion 63 of the rotary driving shaft 60. The disc 55 is rotated together with the rotary drive shaft 60 through the engagement between the engagement convex portion 62 of the rotary drive shaft 60 and the engagement concave portion 57 of the disc 55. Therefore, the food material is rubbed by the blades 56 of the disc 55, and the rubbed material passes through the gap between the outer peripheral surface of the disc 55 and the inner peripheral surface of the container 30 to the bottom side of the container 30. It is stored. The adapter 50 has a dish shape so that it does not go around the rotary shaft 25 when it is excessively accumulated on the bottom side of the container 30. In this way, when the food material is grated by the blades 56 of the disc 55 and the food material bounces on the disc 55 and the disc 55 is shaken,
Since the disc 55 is fixed to the rotary drive shaft 60 by the tightening member 71, there is no dance of the disc 55 itself,
It is possible to provide a safe cooking device in which the disc 55 does not come off from the rotary drive shaft 60. Further, since the fastening member 71 is fastened in the rotation direction of the rotary drive shaft 60, the fastening member 71 does not come off from the rotary drive shaft 60 due to vibration or the like. Further, since the disk 55 is attached to the rotary drive shaft 60 by simply screwing the tightening member 71 onto the screw convex portion 64 of the rotary drive shaft 60, the elastic force of the engaging claws is increased as in the prior art. Since there is no need to adjust, it is easy to manage the mounting force.

Further, since the tightening member 71 is arranged below the disc 55, the upper surface of the disc 55 can be effectively used. Therefore, it is not necessary to cut the material into small pieces, and the large shape can be cooked, so that it is possible to provide a cooker with good cookability.

[0037]

As described above in detail, according to the present invention, since the disc is fixed to the rotary drive shaft by the tightening member, the disc itself does not dance and the disc does not come off from the rotary drive shaft. Can provide a safe cooker.

Further, since the disk is attached to the rotary drive shaft only by fastening the tightening member to the threaded projection of the rotary drive shaft, the elastic force of the engaging claw is adjusted as in the prior art. Since there is no need, it is easy to manage the mounting force.

Further, since the tightening member is arranged on the lower side of the disk, the upper surface of the disk can be effectively used. Therefore, it is not necessary to cut the material into small pieces, and the large shape can be cooked, so that it is possible to provide a cooker with good cookability.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a disk, a rotation drive shaft, and a fastening member according to an embodiment of the present invention.

FIG. 2 is a top plan view showing a disc in the example.

FIG. 3 is a cross-sectional view of essential parts showing a disk according to the embodiment.

FIG. 4 is a cross-sectional view of essential parts showing the configuration of the cooking device according to the embodiment.

FIG. 5 is a cross-sectional view showing a state in which the disc in the embodiment is fastened and fixed to a rotary drive shaft by a fastening member.

FIG. 6 is a perspective view showing a disk according to a conventional technique.

FIG. 7 is a perspective view showing a rotary drive shaft according to a conventional technique.

FIG. 8 is a cross-sectional view of an essential part showing the configuration of a cooking device according to the related art.

[Explanation of symbols]

 25 ... Rotating shaft, 30 ... Container, 55 ... Disk, 55a ... Fitting hole, 56 ... Blade, 57 ... Engagement recess, 60 ... Rotation drive shaft, 62 ... Engagement projection, 64 ... Screw projection, 71 ... Tightening member.

Claims (1)

[Claims] 1. A bottomed cylindrical container, a rotary shaft erected at the center of the bottom surface of the container, and an engagement projection fitted to the rotary shaft and formed to project from the upper end surface in a substantially horizontal direction. And a rotation drive shaft having a screw protrusion formed on the outer peripheral surface of the upper portion, a fitting hole into which the rotation drive shaft is fitted in the central portion, and the engagement protrusion on the outer peripheral edge of the fitting hole. A substantially disk-shaped disc provided with a mating engagement recess and at least a blade on the upper surface, and a tightening member screwed into the screw projection of the rotary drive shaft. By engaging the engaging protrusion of the rotary drive shaft and screwing the tightening member arranged below the disc onto the rotary drive shaft, the disc is engaged with the engaging protrusion of the rotary drive shaft. A cooker characterized by being clamped and fixed by the clamp member and the tightening member.