JPS6316371Y2 - - Google Patents

Description

[Detailed explanation of the invention] (a) Industrial application field This invention can be used for chopping vegetables, fruits, etc.
This invention relates to a home cooking machine used for chopping and kneading bread crumbs, etc., and relates to an output shaft that transmits power from a motor to various rotating attachments.

(b) Prior Art In conventional cooking machines of this type, not only the various rotating attachments are replaced depending on the purpose of processing the material, but also the rotational speeds thereof are varied to achieve a certain degree of effectiveness.

The cooking machine disclosed in Japanese Patent Publication No. 57-285761 has a high-speed shaft and a low-speed shaft that rotate on the same axis at different speeds, and the rotational drive of the high-speed shaft is increased. It uses a small pulley to reduce speed and transmit it to the low-speed shaft.

However, if the output shaft is taken out with both shafts passing through the central sleeve of the container as in this example, the diameter of the central sleeve increases, resulting in a reduction in the volume of the container. Furthermore, since the low-speed shaft is supported by the high-speed shaft, the central sleeve must be formed high to prevent rotational wobbling of both shafts, and a seal must be provided between the central sleeve and the low-speed shaft. First, it is necessary to further increase the height of the central sleeve in order to prevent the processed material from entering the main case, and a reduction in the volume of the container cannot be prevented.

(c) Purpose of the invention The present invention was developed in view of the problems of the prior art as described above, and it improves the bearing method of the low-speed shaft and improves the sealing with the container, thereby making the central sleeve lower. The purpose is to secure a large volume of the container.

(d) Structure of the invention The above-mentioned mounting base has a main body case that houses a motor and has a mounting base part that protrudes upwardly from a high-speed shaft driven by the motor, and a central sleeve through which the high-speed shaft is inserted. a container removably engaged with the part;
The high-speed shaft is inserted through the low-speed shaft and the low-speed shaft is supported by the inner circumferential wall of the central sleeve.The low-speed shaft also serves as a part of the central sleeve, so that the central sleeve can be made small.

(e) Embodiment 1 is a main body case in which one half has a motor storage part 2, and the other half has a mounting table part 4 on which a high-speed shaft 3 driven by a motor 2a projects upward. It is made of synthetic resin, and its bottom is covered with a bottom cover 6 to which elastic legs 5, 5 are fixed.

A large pulley 7 is connected via a belt 9 to a small pulley 8 fitted to the drive shaft 2b of the motor 2a, and is attached to the lower end of the high speed shaft 3.

Reference numeral 10 denotes a motor support plate attached to the main body case 1 via a buffer body 11, which supports the motor 2.
A is housed and held in the motor storage part 2, and a reduction pulley 12 is rotatably held. This deceleration pulley 12 is connected to the upper narrow diameter portion 7a of the large pulley 7 via a belt B13.

14 is a transmission pulley rotatably supported by the high speed shaft 3 above the large pulley 7;
The transmission pulley 14 is connected to the upper narrow diameter portion 12a of the reduction pulley 12 via a belt C13, and the upper portion of the transmission pulley 14 passes through the central opening 10a of the motor support plate 10, and is connected to a bearing cylinder portion provided in the central opening 10a. It is rotatably held at 15. The upper end of the transmission pulley 14 is made to protrude upward from the opening 4a of the mounting table 4, and is formed with an upward engaging protrusion 16.

Reference numeral 17 denotes a protrusion 18 provided on the outer periphery of the mounting base 4.
The engagement receiving hole 19 that engages in a fixed position with the lower cylindrical part 2
0, and is a translucent synthetic resin cooking container that is rotatably engaged with the mounting table portion 4 in a detachable manner, and has a central sleeve 2 through which the high-speed shaft 3 can be inserted into the center of the bottom surface.
1 is integrally formed. 22 has a cutter plate 23 having a smaller diameter than the inner diameter of the container 17 at the top, and its shaft portion 22a is a rotary attachment for slicing that is fitted into a resin cap 24 crimped to the tip of the high-speed shaft 3. It is.

Reference numeral 25 designates a hollow low-speed shaft that is supported on the inner circumferential wall of the central sleeve 21 via a bearing metal 26, and is provided with an oil seal 26a, and has an internal connection with the high-speed shaft 3 and the shaft portion 22a of the slicing rotary attachment 22. It consists of locating. This low-speed shaft 25 has a notch 27 formed at its upper end for transmitting drive to the shaft of other attachments, and
A downward engaging protrusion 28 that can engage with the upward engaging protrusion 16 on the upper end of the transmission pulley 14 is integrally formed at the lower end.

Reference numeral 29 denotes a container lid which closes the upper part of the cooking container 17 and has a vertically disposed input tube 30 for supplying ingredients into the cooking container 17, and has a protruding tongue piece 3 on its outer periphery.
1 extending horizontally.

A horizontally elongated hole 32 large enough for the protruding tongue piece 31 to fit therein is provided in the upper part of one of the motor storage portions 2, and a switch device 34 having an operation button 33 protruding to the outside is disposed near the horizontally elongated hole 32. ing. Reference numeral 35 denotes a lock plate provided on this switch device 34, which is moved by the protruding tongue piece 31 when the container lid 29 is completely attached to the cooking container 17, and allows the operation button 33 to be pressed. When the container lid 29 is not attached, the lock plate 35 prevents the operation button 33 from being pressed, and if the container lid 29 comes off during use, the lock plate 3
5 releases the closed state of the switch of the operation button 33 and cuts off the power supply to the motor 2a.

Rotatingly engaging the cooking container 17 with the mounting table portion 4;
Rotating attachment to high speed axis 3 or low speed axis 25
When the container lid 29 is completely attached to the cooking container 17 in its normal position, the protruding tongue piece 31 enters the horizontally elongated hole 32, moves the lock plate 35, and unlocks the operation button 33. .

When the operation button 33 is operated to energize the motor 2a, the drive is transmitted from the small pulley 8 to the large pulley 7, and the high speed shaft 3 rotates at a high speed of 1000 to 4500 revolutions. Also, the high speed rotation of the large pulley 7 is caused by the reduction pulley 1
2 to the transmission pulley 14 and the pulley 1
4 rotates at 200 to 400 revolutions/minute. Further, the rotational force is transmitted to a low speed shaft 25 having a downward protrusion 28 that engages with the upward protrusion 16 of the transmission pulley 14, and the low speed shaft 25 is located outside the high speed shaft 3 at an angle of 200~
Rotates at a low speed of 400 rpm. Therefore, high speed axis 3
The rotary attachment fitted to is 1000 to 4500
It rotates at a rotational speed of 200 to 400 revolutions per minute, and the rotary attachment fitted on the low-speed shaft 25 rotates at a rotational speed of 200 to 400 revolutions per minute.

The rotary attachment that fits on the high-speed shaft 3 is suitable for material cutting such as chopping, chopping, and round cutting, and the rotary attachment that fits on the low-speed shaft is suitable for processing such as whisking, kneading, and stirring.

(f) Effects of the invention As explained above, the present invention consists of a main body case that houses a motor, and has a mounting base part that projects upwardly for a high-speed shaft driven by the motor, and a main body case that houses the motor, and a main body case that has a mounting base portion that projects upwardly, and the high-speed shaft that is driven by the motor is inserted through the main body case. The low-speed shaft is comprised of a container that is removably engaged with the mounting base, and a low-speed shaft through which the high-speed shaft is inserted and which is supported by the inner circumferential wall of the central sleeve. The container can also be used as a central sleeve, and since the central sleeve of the container can be formed low, the material storage capacity of the cooking container is expanded, and since the low-speed shaft is supported by the central sleeve, it is difficult for materials etc. to enter between them, making it suitable for use as a cooking machine. The sealing effect will be improved.

[Brief explanation of the drawing]

Fig. 1 is a front sectional view of a cooking machine according to an embodiment of the present invention, Fig. 2 is a perspective view of the main parts near the low speed axis, and Fig. 3
The figure is a perspective view of the main parts near the high-speed axis. 2... Motor storage section, 3... High speed shaft, 4... Mounting table part, 1... Main body case, 21... Central sleeve, 17... Container, 25... Low speed shaft.

Claims (1)

[Claims for Utility Model Registration] (1) A main body case that houses a motor and has a mounting base that projects upwardly from a high-speed shaft driven by the motor, and a central sleeve through which the high-speed shaft is inserted. A cooking machine comprising: a container that is removably engaged with the mounting base; and a low-speed shaft through which the high-speed shaft is inserted and which is supported by the inner circumferential wall of the central sleeve. (2) The scope of the above utility model registration claim, characterized in that the low-speed shaft is formed to protrude upward from the central sleeve, and a seal is provided between the inner peripheral wall of the central sleeve and the outer peripheral surface of the low-speed shaft. The cooking machine described in item 1.