JP4811296B2 - Household rice milling machine - Google Patents

Description

The present invention relates to a rice mill for home use.

In recent years, small brown households that do not get in the way even when placed in a small place such as a kitchen, so that brown rice can be purchased directly from a farmer and then cooked at home can be immediately started. Rice milling machines have become widespread (see, for example, Patent Document 1 and Patent Document 2).

In such a domestic rice milling machine, the one disclosed in Patent Document 1 reliably removes the mortar-shaped container and the collecting container from the outer frame that houses a motor or the like serving as a drive source. The joint between the mortar container and the collecting container is formed on the male screw and the female screw so that the mortar can be removed from the outer frame by hand when the milling is finished. Since the shaped container and the collecting container are screwed together, there is an advantage that the collecting container can be reliably taken out without being detached from the mortar-shaped container, and there is no risk of spilling the pestle.

However, in the rice milling machine of the above-mentioned patent document 1, when the mortar container and the collecting container taken out from the outer frame are screwed off, the screwing of the male screw and the female screw is tightened. There was a problem that it was difficult to remove. In particular, since the material of the collecting container is formed of a resin such as polypropylene, the problem may appear remarkably in some cases when the temperature is lowered such as in winter.

On the other hand, the rice milling machine disclosed in Patent Document 2 has at least a part of the outer peripheral portion of the annular flange of the polished rice basket protruding from the top opening edge of the rice bran container as a handle for attaching / detaching the polished rice basket. It can be used, and it is easy to take out polished white rice and rice bran and has an advantage that the rice basket can be easily removed from the rice bran container.

However, in the domestic rice milling machine of Patent Document 2, at least a part of the outer peripheral portion of the annular flange of the polished rice basket protrudes from the upper end opening edge of the rice bran container. Has a circular shape large enough to hide the overhanging flange, and is provided with a grip portion protruding from the dredger container on the outer peripheral surface of the dredger container, and the volume of the dredger container itself is increased. There is a problem that it becomes too narrow when placed in a narrow place.

JP 2000-262910 A JP 2000-210576 A

In view of the above problems, the present invention is a case where the mortar-shaped container and the collecting container can be easily taken out integrally from the outer frame containing the motor as a driving source and placed in a narrow place such as a kitchen. The technical challenge is to provide a household rice mill with a smart shape that will not be too narrow.

In order to solve the above-mentioned problems, the invention described in claim 1 is characterized in that a mortar-shaped container having a porous wall for removal and a collecting container surrounding it are detachably accommodated in a substantially cylindrical outer frame. The open upper portion is covered with a lid, and a vertical axis provided with a stirring protrusion is erected at the center of the bottom of the mortar container, and the vertical axis is driven below the outer frame. In the domestic rice milling machine having the built-in means, the upper surface opening of the outer frame is formed on the outer side on which the stepped portion for contacting the outer peripheral flange edge of the lid and the lid fixing concave portion for fixing the lid are formed. A rib and an inner rib standing to support an outer peripheral flange of the collecting container are integrally formed stepwise from the outer frame toward the center, while the inner container includes the collecting container The inner rib is partly cut in the vertical direction for positioning when attaching or detaching And a recessed portion formed by lowering the height of the inner rib, and a space portion in which the inner rib is notched in the longitudinal direction and the inner rib is eliminated to make a handle space for lifting the collecting container by hand. The outer peripheral flange of the collecting container accommodated in the outer frame has the same shape as the fitting recess at a position corresponding to the fitting recess formed in the inner rib. A technique of providing a plurality of fitting convex portions and a structure in which a plurality of short horizontal handles from the outer peripheral flange to the outer rib are provided in a position corresponding to the space formed in the inner rib. Took appropriate measures.

Further, the invention according to claim 2 is provided with a plurality of concave container support portions on the inner side of the handle upper surface, and on the lower surface side of the outer peripheral flange of the mortar-shaped container at a position corresponding to the container support portion, A plurality of lower protrusions for stopping the rotation are provided.

Furthermore, the invention described in claim 3 is characterized in that a plurality of lid fixing keys that fit into lid fixing concave portions formed in the outer frame are provided on the back side of the outer peripheral flange edge of the lid.

According to a fourth aspect of the present invention, there is provided a lower end surface of the space portion and an outer edge of the handle for aligning the outer frame, the collecting container, and the mortar container. A matching mark is affixed to each of the container support portions.

When the preset driving time has elapsed and the rice milling is finished, the rice milled from the milled rice and the brown rice is taken out from the rice milling machine for home use. According to the invention of claim 1, the rice milling is finished. When the lid is detached from the outer frame, a space portion serving as a handle space for the collecting container is exposed on the side surface of the outer frame. The space portion is a portion where the inner rib is notched in the vertical direction and the inner rib is removed, so that the fingers can be easily inserted into the outer peripheral flange of the collecting container, and the outer flange is arranged horizontally. Since a short protruding handle is provided, the finger hooking is ensured even with a short handle, and the rice collection container and mortar container can be easily removed from the outer frame, and the milled rice and rice bran can be carried. At this time, the handle does not protrude from the lid, and since there is no need to project a handle on the outer peripheral surface of the basket container, it is smart that it does not become too narrow even when placed in a narrow place such as a kitchen. It becomes possible to provide a household rice mill with a shape.

According to the second aspect of the present invention, the mortar container and the collecting container are configured such that the lower protrusion on the lower surface of the outer peripheral flange of the mortar container is placed on the container support part on the inner side of the handle upper surface of the collecting container. The mortar-shaped container and the collecting container are easily separable. If you want to use the candy for food, you can take out the candy from the collecting container, and wash it after use. Maintenance is also easy.

According to the third aspect of the present invention, since the back side of the outer peripheral flange edge of the lid is provided with a plurality of lid fixing keys that fit into the lid fixing recesses formed in the outer frame, On the other hand, the lid can be closed securely, there is no possibility that the lid will come off due to vibration, etc., and it is also possible to provide a safety switch etc. that operates by fitting the lid fixing key and the lid fixing recess on the outer frame Become.

According to the fourth aspect of the present invention, in order to align the outer frame, the collecting container, and the mortar container, the lower end surface of the space, the outer edge of the handle, and the container support part Since the alignment mark is attached to each, even a worker who uses a home-grown rice mill for the first time must store the collecting container in the outer frame and then store the mortar container in the collecting container. Alignment and assembly mistakes can be prevented, and it can be used smoothly.

Hereinafter, a domestic rice mill according to an embodiment of the present invention will be described with reference to the drawings.

1 is a perspective view showing an outline of a rice mill for home use, FIG. 2 is a longitudinal sectional view showing an internal structure when cut along the line AA 'in FIG. 1, and FIG. It is a longitudinal cross-sectional view which shows an internal structure when it fractures | ruptures by B 'line.

1 to 3, reference numeral 1 is a home-grown rice mill, reference numeral 2 is a base that accommodates a motor 3 or the like serving as a drive source, and an upper part of the base 2 is integrated with the base 2. An outer frame 2a is formed, and an inner frame 2b is provided inside the outer frame 2a so as to accommodate the mortar container 4 and the like so as to be removable. The mortar-shaped container 4 is formed in a hopper shape whose upper part can be opened by removing the lid 5, and at least the lower peripheral wall of the mortar-shaped container 4 is formed on the porous wall 6 for removal. And the lower peripheral wall part of this porous wall 6 for removal is formed in the cylindrical part 7 whose internal diameter is smaller than the internal diameter of the upper end edge of the said mortar-shaped container 4. FIG. Reference numeral 8 denotes a non-porous bottom, and reference numeral 9 denotes fixing means for fixing the mortar container 4 to the collecting container 10. Reference numeral 23 denotes a protruding portion of the collecting container 10, and the fixing means 9 of the cylindrical portion 7 is fitted to the outer periphery of the protruding portion 23 to fix the non-porous bottom portion.

The outer periphery of the mortar container 4 is surrounded by a cylindrical collecting container 10. At this time, since the lower peripheral wall of the removal porous wall 6 is formed in the cylindrical portion 7 having a small diameter, the removal chamber 11 is formed in the gap between the mortar container 4 and the collecting container 10. The mortar container 4 is fixed to the inner frame 2a by the protrusion 23 and the outer peripheral flange 10a at the upper end of the collecting container 10. In the center of the bottom portion 8 of the mortar container 4, a vertical axis 12 is rotatably mounted, and a vertical axis 24 for rice milling provided with a plurality of stirring protrusions 13 radially is mounted on the vertical axis 12. Then, one side of the joint 14 capable of separating the rotational force from the motor 3 is connected to the lower portion of the vertical axis 12.

Next, the structure of the drive source etc. accommodated in the base 2 is demonstrated. The base 2 accommodates a motor 3 that can change the number of rotations, and a vertical axis 16 that is rotatable by a bearing 15 is provided directly below the vertical axis 12. A motor pulley 17 is mounted on the motor shaft 27 of the motor 3, while a relay pulley 18 is mounted on the upper portion of the vertical axis 16, and the other joint 25 of the joint 14 is mounted on the upper portion of the relay pulley 18. Provide. A belt 19 is wound between the motor pulley 17 and the relay pulley 18 so that the rotational force of the motor 3 is transmitted to the vertical axis, for example, with a reduction ratio of 1: 3. Reference numeral 20 denotes a rotation sensor that detects the number of rotations of the vertical axis 16, reference numeral 21 denotes a control device for a domestic rice mill, and reference numeral 22 denotes an operation panel.

FIG. 4 is an enlarged cross-sectional view of the main part showing the structure of the outer peripheral edge of the portion surrounded by the symbol C in FIG. 2, that is, the outer frame 2a, the collecting container 10, the mortar container 4, and the lid 5. 3 is an enlarged cross-sectional view of the main part showing the structure of the outer peripheral edge of the portion surrounded by the symbol D of 3, that is, the outer frame 2a, the collecting container 10, the mortar container 4, and the lid 5. FIG. It is a schematic perspective view which shows the removal | desorption state of a container, a mortar container, and a lid | cover.

As shown in FIGS. 4 to 6, the upper surface opening of the outer frame 2 a is fixed with the lid 27 so that the outer peripheral flange edge 5 a of the lid 5 is brought into contact with the lid fixing key on the rear surface of the lid 5. A direction in which the diameter decreases from the outer frame 2a (the direction of the inner frame 2b), the outer rib 28 in which the recesses 33 are formed and the inner rib 29 that is erected to support the outer peripheral flange 10a of the collecting container 10 ) Integrally formed. The inner rib 29 is partially cut away in the vertical direction to reduce the height of the rib so that the inner rib 29 is positioned when the collecting container 10 is attached / detached or is prevented from rotating around the outer frame 2a. In order to provide a space for lifting the outer peripheral flange 10a of the collecting container 10 by hand, the inner rib 29 is formed vertically. A plurality of (for example, a pair of) space portions 31 (for example, a shape in which a trapezoid is inverted in a side view) in which the ribs are cut away in the direction are provided (see FIG. 6). Reference numeral 32 denotes a packing fitted between the outer peripheral flange edge 5 of the lid 5 and the stepped portion 27.

On the other hand, an outer peripheral flange 10a is provided at the upper surface opening of the collecting container 10, and the outer peripheral flange 10a has a position corresponding to the fitting recess 30 formed in the inner rib 29 of the outer frame 2a. A plurality of (for example, a pair of) fitting protrusions 34 having the same shape as the fitting recesses 30 (for example, a shape obtained by inverting the trapezoid in a side view) are provided. Further, the outer peripheral flange 10a has a handle 35 that protrudes in a short horizontal manner between the outer peripheral flange 10a and the outer rib 28 at a position corresponding to the space 31 formed in the inner rib 29 of the outer frame 2a. A plurality (for example, a pair) are extended. Further, a plurality (for example, a pair) of container support portions 36 for supporting lower projections of an outer peripheral flange 4a of the mortar container 4 to be described later are provided on the inner side of the upper surface 35. Yes.

Further, the upper surface opening of the mortar-shaped container 4 is provided with an outer peripheral flange 4a (see FIG. 6), and the outer peripheral flange 4a is located on the lower surface side of the outer peripheral flange 4a at a position corresponding to the container support 36. A plurality of (for example, a pair) lower projections 37 for stopping rotation are provided.

The lid 5 is formed with a resinous outer peripheral flange edge 5a and a handle 5b formed by being greatly recessed in the center of the cover 5 (see FIG. 1), and formed on the outer frame 2a on the back side of the outer peripheral flange edge 5a. A plurality of (for example, two pairs) lid fixing keys 38 that are fitted to the lid fixing recesses 33 are provided (see FIG. 7). The outer frame 2a may be provided with a safety switch or the like that is operated by fitting the lid fixing key 38 and the lid fixing recess 33, and the lid 5 covers the opening surfaces of the mortar container 4 and the collecting container 5; And if the lid | cover 5 is not the state fixed to the outer frame 2a completely, it is good to design the control apparatus 21 so that the motor 3 which rotates the protrusion 13 for stirring may not be started.

Hereinafter, the operation of the above configuration will be described.

First, as shown in FIG. 6, the collecting container 10 is accommodated in the outer frame 2a so that the fitting protrusions 34 are fitted in the fitting recesses 30, and the lower protrusions 37 are container support parts 36. The mortar-shaped container 4 is accommodated in the collecting container 10 so as to be fitted to each other, and then the vertical axis 24 for rice milling is fitted to the vertical axis 12 (see FIGS. 2 and 3). Then, a desired amount of brown rice is put into the mortar container 4, covered with the lid 5, and the lid 5 is rotated by holding the handle 5b so that the lid 5 is completely fixed to the outer frame 2a. At the stage where the key 38 and the lid fixing recess 33 are fitted, the safety switch is turned on and the motor 3 can be started.

Next, when the rice milling amount switch and the whiteness switch on the operation panel 22 are set to desired values and the operation switch (both not shown) is turned on to start the rice milling, the preset motor rotation speed and motor driving time are set. Is read and the motor 3 is driven.

When the set drive time elapses and the rice milling is finished, the rice bran scraped from the rice milling and brown rice is taken out in a procedure opposite to the above. That is, when the lid 5 is reversely rotated with the handle 5b and the lid 5 is detached from the outer frame 2a, the space portion 31 serving as a handle space for the collecting container 10 is exposed on the side surface of the outer frame 2a. Since the space portion 31 is a portion where the inner rib 29 of the outer frame 2a is notched in the vertical direction and the inner rib 29 is eliminated, a finger can be easily inserted into the outer peripheral flange 10a of the collecting container 10. And, from the outer peripheral flange 10a, there is provided a handle 35 ... that protrudes in a short horizontal manner from the outer rib 28. However, by providing the space portion 31, even if it is a short handle 35 ... Thus, the rice collecting container 10 and the mortar container 4 can be removed from the outer frame 2a by placing both hands on the pair of handles 35, so that the milled rice and rice bran can be carried.

Also, the mortar container 4 and the collecting container 10 are arranged such that the lower protrusions 37 on the lower surface of the outer peripheral flange 4a of the mortar container 4 are mounted on the handle 35 of the collecting container 10. The mortar-shaped container 4 and the collecting container 10 can be easily separated from each other, and if it is desired to use the candy for food, the candy can be taken out from the collecting container 10; Maintenance such as washing after use can also be easily performed.

In addition, as shown in FIG. 8, in order to align each of the outer frame 2a, the collecting container 10 and the mortar container 4, the alignment mark 100 is placed on the lower end surface 31a of the space 31. The alignment mark 101 may be adhered to the outer edge 35a of the handle 35, and the alignment mark 102 may be adhered to the container support portion 36, respectively. Thereby, even the worker who uses the home-grown rice mill 1 for the first time accommodates the collecting container 10 in the outer frame 2a, and further aligns when the mortar container 4 is stored in the collecting container 10. , Prevent mistakes and can be used smoothly.

As described above, according to the present embodiment, the inner rib 29 of the outer frame 2a is formed with the space portion 31 serving as a handle space for the collecting container 10, while the outer peripheral flange 10a of the collecting container 10 has the Since a plurality of short horizontal handles 35 between the outer ribs 28 are provided at positions corresponding to the spaces 31..., Fingers can be easily inserted into the outer peripheral flange 10 a of the collecting container 10. The finger hooking to 35... Is improved, and the mortar container and the collecting container can be easily taken out integrally from the outer frame containing a motor or the like as a driving source. Unlike Patent Document 2, it is not necessary for the handle 35 to protrude from the lid 5 or to project the handle on the outer peripheral surface of the basket container. It is possible to provide a rice mill with a smart shape that never becomes.

It is a perspective view which shows the outline of a rice mill for home use. It is a longitudinal cross-sectional view which shows an internal structure when fractured | ruptured by the A-A 'line | wire of FIG. It is a longitudinal cross-sectional view which shows an internal structure when it fractures | ruptures by the B-B 'line | wire of FIG. It is a principal part expanded sectional view of the part enclosed with the code | symbol C of FIG. It is a principal part expanded sectional view of the part enclosed with the code | symbol D of FIG. It is a schematic perspective view which shows the removal | desorption state of an outer frame, a collecting container, a mortar container, and a lid | cover. It is a perspective view for showing the back surface structure of a lid. It is the Example figure which stuck the alignment mark for the position alignment in the case of attachment or detachment with an outer frame and a collection container.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Household rice mill 2 Base 3 Motor 4 Mortar container 5 Lid 6 Porous wall 7 for removal of debris Cylindrical part 8 Bottom part 9 Fixing means 10 Collection container 11 Dehumidification chamber 12 Vertical axis 13 Protrusion piece for stirring 14 Joint 15 Bearing DESCRIPTION OF SYMBOLS 16 Vertical axis | shaft 17 Motor pulley 18 Relay pulley 19 Belt 20 Rotation sensor 21 Control apparatus 22 Operation panel 23 Protrusion part 24 Vertical axis | shaft for rice milling 25 Other side joint 26 Motor shaft 27 Step part 28 Outer rib 29 Inner rib 30 Fitting recessed part 31 Space part 32 Packing 33 Lid fixing concave part 34 Fitting convex part 35 Handle 36 Container support part 37 Lower projection part 38 Lid fixing key 100 Alignment mark 101 Alignment mark 102 Alignment mark

Claims (4)

A mortar-shaped container having a porous wall for removal and a collecting container that surrounds the mortar-shaped container are detachably accommodated in a substantially cylindrical outer frame, and the open upper portion is covered with a lid, and the mortar is At the bottom center of the shape container, a vertical axis provided with a stirring projection piece is erected, and below the outer frame, a domestic rice milling machine incorporating a driving means for driving the vertical axis,
The upper surface opening of the outer frame supports a stepped portion that abuts the outer peripheral flange edge of the lid, an outer rib in which a lid fixing recess for fixing the lid is formed, and an outer peripheral flange of the collecting container. An inner rib standing upright is integrally formed in a stepwise manner from the outer frame toward the center, while the inner rib is positioned around the outer frame or positioned when the collecting container is attached or detached. A fitting recess formed by cutting the inner rib partly in the vertical direction to reduce the height of the inner rib for stopping, and an inner side for making a handle space for lifting the collecting container by hand A structure in which a plurality of spaces each having a rib cut in the vertical direction and the inner rib removed is provided,
On the other hand, the outer peripheral flange of the collecting container accommodated in the outer frame is provided with a plurality of fitting convex portions having the same shape as the fitting concave portions at positions corresponding to the fitting concave portions formed on the inner rib, A domestic rice milling machine having a structure in which a plurality of short horizontal handles extending from the outer peripheral flange to the outer rib are provided at positions corresponding to the space formed in the inner rib. A plurality of concave container support portions are provided on the inner side of the handle upper surface, and a plurality of lower protrusions for preventing rotation are provided on the lower surface of the outer peripheral flange of the mortar container at a position corresponding to the container support portion. The household rice mill according to claim 1 provided. The domestic rice milling machine according to claim 1 or 2, wherein a plurality of lid fixing keys are provided on the back side of the outer peripheral flange edge of the lid so as to be fitted with lid fixing recesses formed in the outer frame. In order to align the outer frame, the collecting container, and the mortar container, the lower end surface of the space part, the outer edge of the handle, and the container support part are respectively matched. The household rice mill according to any one of claims 1 to 3, wherein the mark is attached.

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