WO2003089142A1

WO2003089142A1 - Household rice polishing machine with ozone sterilizing function

Info

Publication number: WO2003089142A1
Application number: PCT/KR2003/000807
Authority: WO
Inventors: Sung-Ho Lee
Original assignee: Sung-Ho Lee
Priority date: 2002-04-19
Filing date: 2003-04-19
Publication date: 2003-10-30
Also published as: KR200284257Y1; AU2003222485A1

Abstract

A house rice polishing machine having an ozone sterilizing function includes a main body (10) including a seating place (12) prepared with a rotary shaft (14) rotating by a driving motor and a manipulating unit (20) for manipulating the driving motor, a cylindrical polishing container (30) seated on the seating place (12) of the main body (10) and having a through hole (36) at a lower center, a peeling net (40) received in the cylindrical polishing container (30) and having a rotational force transmitting unit (48) at a lower center combined with the rotary shaft (14), a rotating blade (50) detachably seated on the rotational force transmitting unit (48) for rotating to peel chaff from the rice when driving the driving motor, and a cover (60) for covering the polishing container (30) with receiving peeling net (40) and the rotating blade (50), wherein an ozone lamp (70) is installed to the cover (60) to radiate ozone during the polishing process for sterilizing the unpolished rice.

Description

HOUSEHOLD RICE POLISHING MACHINE WITH OZONE STERILIZING

FUNCTION

TECHNICAL FIELD

The present invention relates to a polishing machine, and more particularly to a household rice polishing machine conducting a sterilizing function by installing an

ozone lamp during peeling rice and making the hulled rice.

BACKGROUND ART Generally, a polishing machine is used for peeling off chaffs attached to the rice.

Conventionally, the polishing machine is installed in a mill with a large scale, but there

are appeared many small-sized polishing machines for home use.

As an example of the household polishing machine, Korean Utility Model

Registration No. 235479 discloses 'A household machine for both polishing and

cutting' which peels off chaffs from the rice or shatters foodstuffs by rotating a rotation blade by use of a motor. The machine for both polishing and cutting proposed in this

document has a rotary shaft mounted to a main body and rotated by a driving motor so that a rotation blade for polishing rice and a cutting blade for shattering foodstuffs may

be alternatively combined to the rotary shaft. As another example, there is disclosed 'A household polishing machine' in

Korean Utility Model Registration No. 257817. This household polishing machine has substantially similar configuration and operating principle to the above-mentioned

machine for both polishing and cutting. However, in the household polishing machine, a shaft supporting groove is formed on the top of the rotation blade, and a shaft

supporting pin is formed on the lower end of a cover. The shaft supporting pin is inserted into the shaft supporting groove so that the rotation blade may rotate more

stably. However, the polishing machines described above just functions to separate chaffs from the rice, net giving a function for sterilizing the pulled rice. Generally, there may exist various bacteria in the rice such as Bacillus cereus, Bacillus coagulans,

Bacillus stearothermophilus, Bacillus subtilis and Botrytis cinerea. In fact, the existing

large-scaled polishing equipment additionally conducts a separate sterilizing process in order to eliminate such bacteria. However, the above-described conventional

household polishing machines never perform this sterilizing function, so they may cause various bacterial diseases to persons who eat the polished rice.

DISCLOSURE OF INVENTION The present invention is designed to solve the problems of the prior art, and therefore an object of the invention is to provide a household polishing machine having

an ozone sterilizing function which may sterilizes the hulled rice by directly radiating ozone thereto by use of an ozone lamp during peeling off chaffs.

In order to accomplish the above object, the present invention provides a household polishing machine, which includes a main body having a seating place

prepared with a rotary shaft rotating by a driving motor and a manipulating unit for manipulating the driving motor; a cylindrical polishing container seated on the seating

place of the main body and having a through hole at a lower center; a bucket-shaped peeling net received in the cylindrical polishing container and having a rotational force

transmitting unit at a lower center combined with the rotary shaft; a rotating blade detachably seated on the rotational force transmitting unit for rotating to peel off chaff from the rice when driving the driving motor; and a cover for covering the polishing

container with receiving the peeling net and the rotating blade, wherein an ozone lamp is installed to the cover to radiate ozone for sterilizing the hulled rice during the

polishing process.

As an example of a structure for supplying power to the ozone lamp, it is

possible that a first terminal electrically connected to the ozone lamp is formed on an outer circumference of the cover, and a second terminal is formed on the main body so as to contact with the first terminal when the cover is normally shut to the polishing

container.

As another example of a structure for supplying power to the ozone lamp, it is

also possible that a first terminal electrically connected to the ozone lamp is formed on the cover; a second terminal contacted with the first terminal when the cover is normally

shut to the polishing container and a third terminal electrically connected to the second terminal are formed on the polishing container; and a fourth terminal is formed on the

seating place so as to be contacted with the third terminal when the polishing container

is normally seated on the seating place. Preferably, a manipulating key for turning on/off a power of the ozone lamp is

additionally installed in the manipulating unit of the main body.

The ozone lamp may be installed in a lower center of the cover, or it is also

possible that a shaft supporting groove is formed on a top of the rotating blade, and a shaft supporting pin is installed on a lower center of the cover so that the shaft

supporting pin is inserted into the shaft supporting groove when the cover is combined to the polishing container, and there are installed a plurality of the ozone lamps around the shaft supporting pin on a lower surface of the cover.

BRIEF DESCRIPTION OF THE DRAWINGS

These and other features; aspects, and advantages of preferred embodiments of

the present invention will be more fully described in the following detailed description,

taken accompanying drawings. In the drawings: FIG. 1 is an exploded perspective view showing a household polishing machine

according to a first embodiment of the present invention;

FIG. 2 is an exploded perspective view showing a household polishing machine

according to a second embodiment of the present invention;

FIG. 3 is an exploded perspective view showing a household polishing machine

according to a third embodiment of the present invention;

FIG. 4 is a perspective view showing the household polishing machine of FIG. 3

in an assembled state;

FIG. 5 is a perspective view showing a cutting blade which may be installed

instead of a rotating blade in the household polishing machine according to the present

invention; and

FIGs. 6a and 6b show various examples, of an ozone lamp installed to a cover of

the household polishing machine according to the present invention. BEST MODES FOR CARRYING OUT THE INVENTION

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows a household polishing machine having an ozone sterilizing function according to the first embodiment of the present invention. Referring to FIG.

1, the household polishing machine of the present invention in brief includes a main

body 10, a polishing container 30,' a peeling net 40, a rotating blade 50 and a cover 60,

which are respectively configured as follows.

The main body 10 has a substantially oval pillar shape, preferably having a reduced width downward. In addition, this main body 10 has a large groove having a substantially cylindrical shape at one side so that the polishing container 30 is provided

therein. At a lower end of the groove, a seating place 12 is prepared so that the polishing container 30 is seated thereon.

Though not shown in the figure, the main body 10 has a driving motor connected

to an external power source, and a driving force of this driving motor is transferred

through such as a belt to a rotary shaft 14, which is protruded on the seating place 14.

The main body 10 also includes power supply lines connected to an outlet, and this outlet and the power supply lines are received in a space inside a door 18.

In addition, on the top of the main body 10, installed is a manipulating unit 20 in

which a plurality of manipulating keys 22 are mounted for controlling an on/off

operation of the driving motor and a rotating speed of the rotary shaft.

The polishing container 30 is seated on the seating place 12 of the main body as

described above. The polishing container 30 is preferably cylindrically shaped, and a handle 34 for a use to grasp is provided to a side thereof. In addition, the polishing

container 30 has a rotational force transmitting unit 36 at its bottom so that the

rotational force transmitting unit 36 is combined to the rotary shaft 14 for transmitting the rotational force. This rotational force transmitting unit 36 is also combined with a

circular blade 50 described later so as to transmit the rotational force of the rotary shaft 14 to the circular blade 50.

A protrusion 32 is formed on the top of the polishing container 30 and is used

for placing the cover 60.

The peeling net 40 is received in the polishing container 30, and is spaced a

predetermined distance from an inner side of the polishing container 30. This peeling net 40 plays a role of receiving the rice to be polished. In addition, the peeling net 40 has a ring-shaped rim 42 on its top, and a net 44 is formed under the rim 42. This net 44 is formed so dense to discharge chaffs, generated during the rice polishing process, to outside but not discharge the hulled rice.

The net 44 is also configured so that its diameter is gradually reduced downward.

The chaffs generated in the polishing process pass through the net 44 and are then

accumulated in the bottom of the polishing container 30. At this time, owing to the configuration of the net 44 which has a gradually reduced diameter in a downward

direction, there may be provided so sufficient space to accumulate the chaffs in the

bottom of the polishing container 30.

In addition, a hand strap 46 is mounted to the rim 42 so that a user may grip by

the hand. Both ends of the hand strap 46 are rotatably combined to an upper side of the rim 42 so that the rim 42 may be closely positioned on the upper side of the rim 42 when the user does not use the hand strap 46 but the rim 42. may be rotated upward when the user grips the hand strap 46.

At the bottom of the peeling net 40, a vertical pipe 48 is installed so that the rotational force transmitting unit 36 of the polishing container 30 may pass through it.

This vertical pipe 48 gives a passage through which the rotational force transmitting unit 36 of the polishing container 30 may be combined with the rotating blade 50, and also

plays a role of preventing the chaffs generated in the polishing process from flowing into the rotational force transmitting unit 36.

The rotating blade 50 is combined with the rotational force transmitting unit 36

of the polishing container 30 and receives the rotational force caused by the driving motor to rotate in the peeling net 40. This rotating blade 50 has a lower end which is extended to opposite directions, each extended portion of which is bent upward at its end. The rotating blade 50 acts a role of peeling off chaffs from the rice in the peeling

net 40 by means of rotation. Also preferably, the rotating blade 50 is easily detachable from the rotational force transmitting unit 36 so that it may be easily changed. By using this configuration,

the polishing machine of the present invention may also be used as a general household

cutter just by substituting the rotating blade 50 with a cutting blade. In other words, if connecting a cutting blade 80 shown in FIG. 5 directly to the rotational force

transmitting unit of the polishing container 30, the household polishing machine of the present invention may function as a household cutter. In case of using the household polishing machine of the present invention as a cutter, the peeling net 40 may be not used. The cover 60 plays a role of covering an upper portion of the polishing container

30. At this time, the cover 60 is combined to the top of the polishing container 30 with

being seated on the protrusion 32, and preferably combined to always have the regular phase with the polishing container 30. In other words, it is preferable that the cover 60 and the polishing container 30 are always combined at the constant position and keep

this combined state continuously.

The cover 60 also has a handle^J62 at its upper side so that a user may grasp it.

In the present invention, an ozone lamp 70 is installed below the cover 60, which

is well shown in FIGs. 3a and 3b. The ozone lamp 70 plays a role of sterilizing the hulled rice in the polishing process by radiating ozone in the polishing container 30. Most preferably, a UV ozone lamp radiating ultraviolet rays is used for the ozone lamp 70. The ozone is generally generated when ultraviolet rays, X-rays or cathode rays pass through the air, among which the ozone generated by the ultraviolet rays shows excellent sterilizing effects.

As known so far, there may exist various bacteria in the rice such as Bacillus

cereus, Bacillus coagulans, Bacillus stearothermophilus, Bacillus subtilis and Botrytis cinerea. Since the present invention eliminates such bacteria due to the ozone radiated by the ozone lamp 70, it is possible to make the rice into the hulled rice and at the same

time give sterilized and clean hulled rice.

Referring to FIG. 1 again, a first terminal 65 electrically connected to the ozone lamp 70 is installed on the outer circumference of the cove 60, and a second terminal 15 electrically to the external power source is also installed on the outer circumference of

the main body 10 at a position corresponding to the first terminal 65. More specifically, an installation position of the second terminal 65 is located on an upper

portion of the outer side 16 of the main body positioned in the large groove for the

polishing container 30. The first and second terminals 65 and 15 are contacted with each other and electrically connected when the cover 60 is normally shut to the polishing container 30. In other words, if shutting and combining the cover 60 to the polishing container 30 while the polishing container 30 is seated on the seating place 12 of the main body 10, an electric power may be supplied from the external power source

to the ozone lamp 70 due to the electrical contact of the first and second terminals 65 and 15. Though not shown in the figure, there may also be mounted a manipulating key for on/off control of the ozone lamp 70 in the manipulating unit 20 installed to the main body 10. This manipulating key is used for turning on/off the ozone lamp 70 while the

cover 60 is normally closed, or the first and second terminals 65 and 15 are contacted with each other. In addition, the household polishing machine of the present invention may also

be provided with additional configuration for connecting or disconnecting the power supply toward each terminal 65 or 15 in order to improve the stability of each terminal 65 or 15. For example, as shown in FIG. 1, it is possible to form an

externally-protruded insert part 61 on the external circumference of the cover 60 and then form an insert switch 11 in the main body 10 at a position corresponding to the

insert part 61. This insert part 61 and the insert switch 11 are combined each other (or, the insert part 61 is inserted into the insert switch 11) when the first and second

terminals 65 and 15 come in contact with each other while the cover 60 is normally closed. The insert switch 11 supplies power to the first and second terminals 65 and 15

when the insert part 61 is inserted into the insert switch 11, while the insert switch 11 cuts off the power supply to the first and second terminals 65 and 15 when the insert

part 61 is not inserted into the insert switch 11. Thus, if the cover 60 is open or abnormally closed, the power is not supplied to the first and second terminals 65 and 15, thereby preventing an electric shock caused in the terminals 65 and 15 in advance.

FIG. 2 shows a household polishing machine having an ozone sterilizing

function according to a second embodiment of the present invention. In this embodiment, the same reference numeral is endowed to the component substantially identical or similar to the first embodiment, which are not described in detail here.

The ozone lamp 70 for radiating ozone into the polishing container 30 is also installed under the cover 60 in this embodiment. But, a first terminal 67 electrically

connected to the ozone lamp 70 is installed in an inner side of the cover 60. In other words, the cover 60 generally has a circular upper surface and a portion extended downward from the outer circumference of upper surface, and the first terminal 67 is

installed on the inner side of such an extended portion.

In addition, a second terminal 37 is installed to the upper outer circumference of

the polishing container 30. The installation position of the second terminal 37 is located where it is contacted with the inner side of the cover 60 at which the first terminal 67 is installed when the cover 60 is normally shut to the polishing container 30.

In other words, if the cover 60 is normally shut and combined to the polishing container 30, the first and second terminal 67 and 37 are contacted and ensures an electric current

flow through them. A third terminal 39 is installed on the lower outer circumference of the polishing

container 30. The third terminal 39 is electrically connected to the second terminal 37 by such as a wire, and this wire is buried in the polishing container 30.

The third terminal 39 installed on the lower outer circumference of the polishing container 30 is contacted with a fourth terminal 17 installed near the seating place 12

when the polishing container 30 is normally seated on the seating place 12 of the main body 10. In other words, the fourth terminal 17 is located at a lower position of the

outer side 16 of the main body where the large groove of the main body 10 for polishing

container 30 is positioned. The fourth terminal 17 is also connected to an external

power source by using such as a wire.

Thus, in the present embodiment, the ozone lamp 70 may be electrically connected to the external power source only when the polishing container 30 is normally seated on the main body 10 and the cover 60 is normally shut to the polishing container

30. Even in this embodiment, it is possible to additionally install a manipulating key

for on/off control of the above-mentioned ozone lamp 70 in the manipulating unit 20, and this manipulating key is identical to the former one. In other words, this

manipulating key is used for turning on/off the ozone lamp 70 in the state that the polishing container 30 is normally seated on the main body 10 and the cover 60 is

normally closed to the body 10, or that the first and second terminals 67 and 37 and the

third and fourth terminals 39 and 17 are respectively contacted.

In addition, the insert switch 11 and the insert part 61 may also be installed

respectively in the main body 10 and the cover 60 even in this embodiment. In this case, the insert switch 11 supplies power to each terminal 67, 37, 39 and 17 only when

the insert part 61 is inserted into the insert switch 11, and cuts off the power supply if

the insert part 61 is not inserted into the insert switch 11. Thus, this embodiment also prevents a user from receiving an electric shock through the externally exposed terminals 67, 37, 39 and 17.

In this embodiment, a shaft supporting groove 53 is formed on the upper center

of the rotating blade 50, and a shaft supporting pin 63 is formed on the lower center of

the cover 60 so that the shaft supporting pin 63 is inserted into the shaft supporting groove 53 when the cover 60 is shut to the polishing container 30, differently to the first embodiment. This is not peculiar to this embodiment, but it may be applied to the first

embodiment as it is, as a modified example. The shaft supporting groove 53 and the shaft supporting pin 63 also play a role of fixing the rotary shaft at its top, thereby preventing the rotating blade 50 from vibrating during its rotation.

FIGs. 3 and 4 show a household polishing machine according to a third embodiment of the present invention. In the figures, FIG. 3 shows an exploded state of

the household polishing machine according to the third embodiment, and FIG. 4 shows

an assembled state of this household polishing machine. Even in this embodiment, the same reference numeral is endowed to the component substantially identical or similar to the first embodiment, whish is not described in detail here.

Referring to FIG. 3, the household polishing machine of this embodiment has an insertion type contact method using a plug and an outlet, instead of the terminal contact

method of the former embodiments. For this purpose, a plug 19 for receiving a power from an external power source is connected using a wire 19' in the main body 10, and an outlet 69 corresponding to the plug 19 is installed on the outer circumference of the cover 60 so that it is electrically connected to the ozone lamp 70. In the main body 10,

the wire 19' connected to the plug 19 is preferably extended outside through a portion near the cover 60 at an upper portion of the main body 10 in order to minimize the distance between the plug 19 and the outlet 69. In addition, this wire 19' is preferably easily expanded and contracted. In this reason, the wire 19' is made in a twisted shape,

or the wire 19' itself may be inserted into the main body 10 so as to be drawn outside.

In addition, though not shown in the figures, a separate protecting screen may be installed over the outlet 69 formed in the cover 60 so as to block the outlet 69 when the plug 19 is not inserted into the outlet 69.

According to this embodiment, a user may operate the ozone lamp 70 by a simple action just inserting the plug 19 installed to the main body 10 into the outlet 69 formed in the cover 60. In addition, this configuration does not require that the cover 60 must be positioned to a definite direction. Moreover, there is no need of a unit for fixing the cover 60 if the outlet 69 is exposed outside so that it may be connected to the

plug 19. In addition, the installation direction of the polishing container 30 against the

seating place 12 may also be freely changed in this embodiment, of course.

FIGs. 6a and 6b show various examples of the ozone lamp 70 installed under the cover 60 in the household polishing machine according to the present invention. In the

present invention, there is no limitation in the number of used ozone lamp 70.

Representatively, one ozone lamp 70 may be installed on the lower center of the cover 60, as shown in FIG. 6a. However, in case the shaft supporting groove 53 and the shaft supporting pin 63 are provided as shown in FIG. 2 as a modified example, there is already installed the shaft supporting pin 63 at the lower center of the cover 60. Thus,

in this case, a plurality of ozone lamps 70 may be arranged at a regular interval around the shaft supporting pin 63, as shown in FIG. 6b. Though it is shown that two ozone lamps 70 are installed as an example, more ozone lamps may be used.

INDUSTRIAL APPLICABILITY

The household polishing machine according to the present invention constructed as above may sterilize the hulled rice in the polishing process by use of the ozone

radiated from the ozone lamp installed under the cover. Thus, a use may easily obtain the high-quality hulled rice by using the household polishing machine may.

In addition, the household polishing machine of the present invention may use either a plurality of terminals or a plug in order to supply power to the ozone lamp installed to the cover. In case of using the terminals particularly, the household polishing machine may be configured so that the current is applied to the ozone lamp

only when the cover is normally shut.

Moreover, the household polishing machine of the present invention may be

used as a household cutter just by changing the rotating blade with a cutting blade, and additionally play a role of a household sterilizer for sterilizing toothbrush, tableware and

so on by using the function of the ozone lamp only. The present invention has been described in detail. However, it should be understood that the detailed description and specific examples, while indicating

preferred embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art from this detailed description.

Claims

What is claimed is:

1. A household polishing machine comprising:

a main body (10) having a seating place (12) prepared with a rotary shaft (14) rotating by a driving motor and a manipulating unit (20) for manipulating the driving motor;

a cylindrical polishing container (30) seated on the seating place (12) of the main body (10) and having a through hole (36) at a lower center;

a bucket-shaped peeling net (40) received in the cylindrical polishing container (30) and having a rotational force transmitting unit (48) at a lower center combined with the rotary shaft (14);

a rotating blade (50) detachably seated on the rotational force transmitting unit (48) for rotating to peel off chaff from the rice when driving the driving motor; and a cover (60) for covering the polishing container (30) with receiving the peeling net (40) and the rotating blade (50),

wherein an ozone lamp (70) is installed to the cover (60) to radiate ozone for sterilizing the hulled rice during the polishing process.

2. A household polishing machine according to claim 1, wherein a first terminal (65) electrically connected to the ozone lamp (70) is

formed on an outer circumference of the cover (60), and wherein a second terminal (15) is formed on the main body (10) so as to contact

with the first terminal (65) when the cover (60) is normally shut to the polishing container (30).

3. A household polishing machine according to claim 1,

wherein a first terminal (67) electrically connected to the ozone lamp (70) is formed on the cover (60); wherein a second terminal (37) contacted with the first terminal (67) when the

cover (60) is normally shut to the polishing container (30) and a third terminal (39)

electrically connected to the second terminal (37) are formed on the polishing container

(30); and wherein a fourth terminal (17) is formed on the seating place (12) so as to be contacted with the third terminal (39) when the polishing container (30) is normally

seated on the seating place (12).

4. A household polishing machine according to claim 1 , wherein a manipulating key for turning on/off a power of the ozone lamp (70) is

additionally installed in the manipulating unit (20) of the main body.

5. A household polishing machine according to any of claims 2 to 4, wherein an insert part (61) protruded outward is formed on an outer

circumference of the cover (60), and an insertion switch (11) is formed in the main body (10) so that the insert (61) is inserted into the insertion switch (11) when the cover (60)

is normally shut, and wherein the power is supplied to each terminal only when the insert (61) is inserted into the insertion switch (11).

6. A household polishing machine according to claim 1,

wherein an outlet (69) electrically connected to the ozone lamp (70) is formed on

the cover (60), and a plug (69) for supplying power is installed in the body (10) so that the plug (69) is inserted into the outlet (19).

7. A household polishing machine according to claim 1,

wherein the ozone lamp (70) is installed in a lower center of the cover (60).

8. A household polishing machine according to claim 1, wherein a shaft supporting groove (53) is formed on a top of the rotating blade

(50), and a shaft supporting pin (63) is installed on a lower center of the cover (60) so that the shaft supporting pin (63) is inserted into the shaft supporting groove (53) when

the cover (60) is combined to the polishing container (30), wherein there are installed a plurality of the ozone lamps (70) around the shaft

supporting pin (63) on a lower surface of the cover (60).