WO2015034319A1

WO2015034319A1 - Juicer

Info

Publication number: WO2015034319A1
Application number: PCT/KR2014/008408
Authority: WO
Inventors: 김재원
Original assignee: Kim Jae Won
Priority date: 2013-09-06
Filing date: 2014-09-05
Publication date: 2015-03-12
Also published as: KR200480611Y1; CN105658117A; CN107822477A; HK1250615A1; KR20150001135U; CN105658117B; CN107822477B

Abstract

The present invention relates to a juicer in which a drive shaft packing is provided around the circumference of a drive shaft protruding from a main body, thus preventing juice from running down the drive shaft and flowing into the main body, and a screw shaft packing is provided at the bottom of the central shaft of a screw, thus preventing juice from running down the central shaft of the screw and flowing out from the bottom of a housing. A juicer according to a preferred embodiment of the present invention comprises: a main body in which a drive motor is in-built such that a drive shaft protrudes to the outside; a housing which is detachably attached to the top of the main body, and on one side of which a juice discharge port and a remnants discharge port are separately formed; a screw which is rotatably installed in the inside of the housing, and is connected to the drive shaft and rotates, thus extracting the juice of matter from which juice is to be extracted that has been inserted inside the housing; a net drum which is installed so as to surround the screw within the housing and which separates juice and remnants; a lid which is detachably connected to the housing, and in which is formed an insertion port through which the matter from which juice is to be extracted is inserted; a drive shaft packing which is connected to the circumference of the drive shaft protruding from the main body, and the bottom of which contacts the outer surface of the main body, preventing juice from flowing into the main body; and a screw shaft packing which is connected to the circumference of the central shaft of the screw, and the bottom of which contacts the inner surface of the housing, preventing juice from flowing out to the outside of the housing.

Description

Juicer

The present invention relates to a juicer that separates and discharges juice and debris, respectively, after extracting the juice object introduced into the housing using a rotating screw.

Recently, with increasing interest in health, more and more people make their own juice or juice at home. Accordingly, a lot of juicers that can be juiced at home using vegetables or fruits have been developed.

The juicer extracts juice and debris through the mandrel after extracting the juice object (vegetable or fruit) into the housing using a screw driven by a drive motor of the main body. Korean Patent Publication Nos. 10-2006-0101848, 10-2012-0029640, and Patent Registration Publication No. 10-0755440 disclose an example of such a juice machine.

1 is an exploded perspective view of a juicer according to the prior art, and FIG. 2 is a cross-sectional view of the juicer according to the prior art.

The juicer 100 according to the related art has a main body 110 on which the driving motor 115 is mounted so that the driving shaft 115a protrudes upward, and is detachably seated on the main body 110 and the juice outlet 121 at the bottom thereof. ) And the discharge outlet 123 is separated from the housing 120 and rotatably mounted in the center of the housing 120 and coupled to the drive shaft 115a to be driven to rotate the juice object introduced into the interior of the housing 120 A screw 130 for juice extraction, a mandrel 140 installed to surround the screw 130 in the housing 120 to separate and discharge juice and debris, and are detachably coupled to an upper end of the housing 120. The upper opening 151 is formed and the lower surface includes a lid 150 that the upper end of the mandrel 140 is detachably coupled.

Here, the main body 110 is coupled to the upper end of the enclosure shape base 111, the upper surface of the base 111, the upper surface is formed with a seating portion 113a of the housing 120, the through hole in the center A cover 113 is formed and a packing 113

rings

113c and 113d are provided below the through hole 113b, and the drive shaft 115a is provided in the base 111 through the through hole 113b. The juice flowing through the drive shaft 115a interposed between the drive motor 115 protruding upward and the

packing support rings

113c and 113d of the cover 113 and the drive shaft 115a is introduced into the main body 110. And drive

shaft packings

117a and 117b to prevent them. Reference numeral 119 denotes a fastener finishing material covering and covering the fastener for fastening the base 111 and the cover 113.

In the case of the main body 110 of the juicer 100 according to the prior art as described above, the drive shaft packing (117a, 117b) is provided to prevent the juice flows through the drive shaft (115a) into the main body (110) Although there is, this drive shaft packing (117a, 117b) is a post-mortem to prevent the juice flows through the drive shaft (115a) and no longer flows into the gap between the through hole (113b) and the drive shaft (115a) There is only a problem with the packing means.

In addition, in the case of the main body 110 of the juicer 100 according to the prior art as described above, the drive shaft packing (117a, 117b) has a high contact area during rotation of the drive shaft 115a has a high risk of wear and thermal deformation, As a result, the juice leaked into the gap between the through hole 113b and the drive shaft 115a is likely to flow into the main body 110 through the

drive shaft packings

117a and 117b.

In addition, in the case of the juicer 100 according to the prior art as described above, although the screw shaft packing 133 is provided between the lower surface of the housing 120 and the central shaft 131 of the screw 130, the screw shaft Since the central axis 131 of the screw 130 should be rotatably coupled to the packing 133, the juice flows out of the housing 120 through the central axis 131 of the screw 130 and finally, the main body 110. There is a problem that may flow into the inside of).

The present invention is devised to solve the problems described above, the object of the present invention is to prevent the juice flows through the drive shaft flows into the main body as the drive shaft packing is installed around the upper side of the drive shaft protruding from the main body will be.

In addition, the present invention is another object to prevent the juice flows through the central axis of the screw flows into the lower portion of the housing as the screw shaft packing is installed below the central axis of the screw.

Juicer according to an embodiment of the present invention, the main body is a drive motor is built so that the drive shaft protrudes to the outside; A housing which is detachably seated on the main body and has a juice outlet and a waste outlet separated on one side; A screw rotatably installed in the housing and coupled to the drive shaft to rotate the juice to be fed into the housing; A mandrel installed to surround the screw in the housing to separate juice and debris; And a lid detachably coupled to the housing and having an inlet formed therein for inserting the juice object, wherein the juicer has a lid coupled to a circumference of the drive shaft protruding from the main body, the lower end of which is in contact with an outer surface of the main body. It comprises a; drive shaft packing to prevent the juice is introduced into the.

According to a preferred feature of the present invention, the drive shaft packing is characterized in that the lower end is in contact with the upper surface of the main body is extended in the shape of an umbrella inclined downward downward from the upper side coupled to the circumference of the drive shaft.

According to a preferred feature of the present invention, the contact area of the drive shaft packing and the drive shaft is larger than the contact area of the drive shaft packing and the main body, the drive shaft packing is characterized in that the drive shaft is integrally rotated.

According to a preferred feature of the present invention, the upper side of the drive shaft packing is in surface contact with the circumference of the drive shaft and the lower end of the drive shaft packing is in linear contact with the upper surface of the main body in a ring shape.

According to a preferred feature of the present invention, a downwardly inclined portion is formed around the drive shaft of the upper surface of the main body to decrease in the radial direction.

According to a preferred feature of the present invention, a ring-shaped protruding step portion for preventing juice from flowing into the main body is formed at the radially inner end portion of the upper slope of the upper surface of the main body.

Juicer according to another embodiment of the present invention, the main body is a drive motor is built so that the drive shaft protrudes to the outside; A housing which is detachably seated on the main body and has a juice outlet and a waste outlet separated on one side; A screw rotatably installed in the housing and coupled to the drive shaft to rotate the juice to be fed into the housing; A mandrel installed to surround the screw in the housing to separate juice and debris; And a lid detachably coupled to the housing and having an inlet formed therein for inserting the juice object, wherein the juicer has a lid coupled to a circumference of a central axis of the screw, the lower end of which is in contact with the inner surface of the housing and is juiced out of the housing. Characterized in that it comprises a; screw shaft packing to prevent the leakage.

According to a preferred feature of the present invention, the screw shaft packing extends in a longitudinal shape inclined downwardly downward from the upper side coupled to the circumference of the central axis of the screw so that the lower side is in contact with the inner lower surface of the housing.

According to a preferred feature of the present invention, the contact area of the screw shaft packing and the central axis of the screw is smaller than the contact area of the screw shaft packing and the inner bottom surface of the housing, the screw shaft packing is integral with the central axis of the screw Does not rotate.

According to a preferred feature of the present invention, the upper side of the screw shaft packing is in linear contact with the ring shape around the central axis of the screw, the lower side of the screw shaft packing is in surface contact with the inner bottom surface of the housing.

According to a preferred feature of the present invention, a ring-shaped protruding step portion is formed around the central axis of the screw of the inner bottom surface of the housing to prevent juice from flowing downward through the central axis of the screw.

Juicer according to another embodiment of the present invention, the main body is a drive motor is built so that the drive shaft protrudes to the outside; A housing which is detachably seated on the main body and has a juice outlet and a waste outlet separated on one side; A screw rotatably installed in the housing and coupled to the drive shaft to rotate the juice to be fed into the housing; A mandrel installed to surround the screw in the housing to separate juice and debris; And a lid detachably coupled to the housing and having an inlet formed therein for inserting the juice object, wherein the juicer has a lid coupled to a circumference of the drive shaft protruding from the main body, the lower end of which is in contact with an outer surface of the main body. A drive shaft packing to prevent juice from flowing into the inside of the screw shaft, and a screw shaft packing coupled to a circumference of a central axis of the screw, the lower end of which is in contact with an inner surface of the housing to prevent juice from flowing out of the housing; It is characterized by comprising.

Juicer according to an embodiment of the present invention has the following effects.

First, as the drive shaft packing is installed around the upper side of the drive shaft protruding from the main body, juice is prevented from flowing through the drive shaft and flowing into the main body.

Second, the drive shaft packing extends radially outward from the upper side coupled to the periphery of the drive shaft toward the bottom, so that only the lower end is in contact with the upper surface of the main body, so that juice does not flow through the drive shaft and flow into the main body. As the drive shaft is rotated integrally with the drive shaft, the juice is pushed out from the drive shaft packing by the centrifugal force.

Third, as the downwardly inclined portion that becomes lower in the radial direction around the drive shaft of the upper surface of the main body and the ring-shaped protruding step portion is provided in the radially inner side of the downwardly inclined portion, the juice is caused by abrasion or deformation of the drive shaft packing. Even if it flows into the gap between the lower part and the upper surface of the main body, the juice flows down the inclined downward portion and is naturally drained radially outward. do.

Fourth, since only the lower end of the drive shaft packing is linearly contacted with the upper surface of the main body in a ring shape, even if the drive shaft packing is rotated integrally with the drive shaft, the contact area with the upper surface of the main body is small, which greatly reduces the risk of wear or deformation. This greatly increases the durability of the drive shaft packing and prevents seeping through the gap between the drive shaft packing and the upper surface of the main body even if juice is accumulated around the lower end of the drive shaft packing.

Juicer according to another embodiment of the present invention has the following effects.

First, as the screw shaft packing is installed below the central shaft of the screw, juice can be prevented from flowing down the central shaft of the screw and flowing out of the lower portion of the housing.

Secondly, the screw shaft packing extends in a bell shape from the upper side coupled to the lower circumference of the lower portion of the central axis of the screw toward the lower portion so that the lower side is in contact with the inner bottom surface of the housing, so that juice is taken on the central axis of the screw. It does not flow to the bottom of the housing but flows down along the screw shaft packing.

Third, as the ring-shaped protruding step is formed around the central axis of the screw among the inner bottom of the housing, even if juice is introduced into the gap between the lower end of the screw shaft packing and the inner bottom of the housing due to the wear or deformation of the screw shaft packing. Juice can be prevented from flowing downward through the central axis of the screw.

Fourth, as the upper side of the screw shaft packing is linearly contacted around the central shaft of the screw in a ring shape, even if the screw shaft packing is not rotated integrally with the central shaft of the screw, the contact area with the central shaft of the screw is small, resulting in abrasion or deformation. The risk can be greatly reduced, which greatly increases the durability of the screw shaft packing.

Juicer according to another embodiment of the present invention has all the effects of the juicer according to the embodiments of the present invention described above.

1 is an exploded perspective view of a juicer according to the prior art,

2 is a cross-sectional view of a juicer according to the prior art,

3 is an exploded perspective view of a juicer according to an embodiment of the present invention;

4 is a cross-sectional structure diagram of a juicer according to an embodiment of the present invention,

5 is a cross-sectional structure diagram of a juicer according to another embodiment of the present invention,

6 is a cross-sectional view of a juicer according to another embodiment of the present invention.

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

This is intended to describe in detail enough that one of ordinary skill in the art can easily practice the present invention, and this does not mean that the technical spirit and scope of the present invention are limited.

In addition, the size or shape of the components shown in the drawings may be exaggerated for clarity and convenience of description, terms specifically defined in consideration of the configuration and operation of the present invention will vary depending on the intention or custom of the user or operator The definitions of these terms should be made based on the contents throughout the specification.

3 is an exploded perspective view of a juicer according to an embodiment of the present invention, Figure 4 is a cross-sectional view of the juicer according to an embodiment of the present invention.

Juicer 1 according to an embodiment of the present invention, to prevent the juice flowing through the drive shaft 13 into the main body 10, as shown in Figures 3 and 4 The main body 10 in which the drive motor 11 is built so that the drive shaft 13 protrudes upward, and is detachably seated on the main body 10, and the juice outlet 21 and the residue outlet 23 are separated from the lower part. A housing 30 to be formed, a screw 30 rotatably installed in the housing 20 and coupled to the drive shaft 13 to rotate and drive the juice object to be inserted into the housing 20 while the housing 20 is rotated. ) Is installed so as to surround the screw 30 in the) and detachably coupled to the upper end of the housing 20, the mandrel 40 to separate the juice and debris, the upper opening is formed in the inlet 51 and An upper end of the mandrel 40 is detachably attached to the lid 50 and the main body 10 from above. Drive shaft packing 60 to prevent juice from flowing into the main body 10 on the drive shaft 13 as the upper side is coupled to the circumference of the drive shaft 13 protruding negatively and the lower end is in contact with the upper surface of the main body 10. It includes.

Here, the main body 10 corresponds to a support base that generates a driving force for rotating the screw 30 and simultaneously supports the housing 20 from the bottom, and drives the drive shaft 13 to protrude upward. The motor 11 is built in.

In addition, although not shown, the main body 10 is connected to a power line for supplying power to the driving motor 11, and is provided with an operation switch for selecting whether to operate the driving motor 11 and an operation mode. Inside the 10 is mounted a controller that controls the operation of the drive motor 11 in accordance with the operation of the operation switch.

On the main body 10 described above, the housing 20 is detachably seated, and the housing 20 has an internal space so that the juice can be juiced by the combination of the screw 30 and the mandrel 40. To form, the juice discharge port 21 and the waste discharge port 23 is discharged from the juice is discharged separately formed in the lower portion.

In the housing 20 described above, the screw 30 is rotatably installed. The screw 30 is coupled to the drive shaft 13 to rotate and slowly pressurizes the juice object introduced into the housing 20 downward. While moving while applying the juice through a combination with the mandrel 40, the remaining residue after the juice is forced to be transferred to the residue outlet 23, it is formed of a vertical screw formed with a spiral groove 33 on the outer circumferential surface. In addition, a screw spiral 34 protrudes from an outer circumferential surface of the screw 30.

The lower end of the central shaft 31 of the screw 30 is coupled to the driving shaft 13 protruding to the upper portion of the main body 10 to be integrally rotated with the driving shaft 13, the central axis 31 of the screw 30 The top is rotatably coupled to the lower surface of the lid 50 to be described later.

In the housing 20 described above, the mandrel 40 is installed to surround the screw 30. The mandrel 40 passes only the juice to the outside and prevents the dregs from passing through the juice outlet 21. Through and the dregs to be separately discharged through the dregs outlet 23, a number of manholes are formed on the side wall.

In addition, the upper end of the mandrel 40 is detachably coupled to the lower surface of the lid 50 to be described later, the lower end of the mandrel 40 is a ring-shaped seating protrusion protruding from the inner bottom surface of the housing 20 to the upper surface Is coupled to.

The lid 50 is detachably coupled to the upper end of the housing 20 described above. The top of the lid 50, the inlet 51 is protruded and the upper surface of the mandrel 40 is detachably coupled to the lower surface.

The main body 10, the housing 20, the screw 30, the mandrel 40 and the lid 50 is a basic configuration for forming the juicer 1, a further detailed description thereof will be omitted below, The configuration distinguished from the prior art will be described in detail.

The drive shaft packing 60 is coupled to the circumference of the drive shaft 13 protruding upward from the main body 10. The drive shaft packing 60 prevents juice from flowing into the main body 10 by the drive shaft 13. It is configured to extend in an umbrella shape from the upper side coupled to the periphery of the drive shaft 13 toward the lower side in the radial direction, so that only the lower end portion is in contact with the upper surface of the main body 10. Preferably, it is preferable to form a packing coupling groove 13a around the drive shaft 13 protruding upward from the main body 10 for coupling the drive shaft packing 60.

In the case of the juicer 1 according to an embodiment of the present invention, the drive shaft packing 60 is installed around the upper side of the drive shaft 13 protruding from the main body 10 and the drive shaft packing 60 is the drive shaft 13. As the lower end only comes into contact with the upper surface of the main body 10 from the upper side coupled to the radially outward from the upper side coupled to the periphery of the main body 10, the juice flows through the drive shaft 13 and flows through the main body 10. It does not flow into the) and flows down along the upper surface of the drive shaft packing (60).

In addition, the contact area between the drive shaft packing 60 and the drive shaft 13 is in contact with the drive shaft packing 60 and the main body so that the drive shaft packing 60 may be rotated along the drive shaft 13 by the difference in frictional force according to the contact area. It is preferred to be larger than the area in contact with the top surface of 10). To this end, it is preferable that the upper side of the drive shaft packing 60 is in surface contact with the circumference of the drive shaft 13 and the lower end of the drive shaft packing 60 is in linear contact with the upper surface of the main body 10 in a ring shape.

In this case, as the drive shaft packing 60 is also rotated together with the drive shaft 13 at the time of rotation of the drive shaft 13, the juice is pushed out from the drive shaft packing 60 by centrifugal force, so that the juice moves the drive shaft 13. Phenomenon that flows in and flows into the body 10 is prevented.

In addition, since only the lower end of the drive shaft packing 60 is linearly contacted with the upper surface of the main body 10 in contact with the upper surface of the main body 10 even when the drive shaft packing 60 is rotated together with the drive shaft 13. Since the area is small, the risk of wear or deformation may be greatly reduced, and thus the durability of the drive shaft packing 60 may be greatly increased. In addition, even when juice or the like is accumulated around the lower end of the drive shaft packing 60, it is possible to prevent penetration through the gap between the drive shaft packing 60 and the upper surface of the main body 10.

In addition, it is preferable that a downward inclined portion 15 that is lowered toward the radial direction is formed around the drive shaft 13 among the upper surfaces of the main body 10. In this case, even if juice is introduced into the gap between the lower end of the drive shaft packing 60 and the upper surface of the main body 10 due to wear or deformation of the drive shaft packing 60, the juice flows down the inclined portion 15. As it is naturally drained outward in the radial direction, the phenomenon flowing into the main body 10 can be prevented.

In addition, around the drive shaft 13 of the upper surface of the main body 10 has a ring-shaped protruding step 17 which finally prevents the juice from entering the interior of the main body 10 in the radially inner side of the downward inclination part 15. It is preferable to protrude upward from the end. In this case, even if juice is introduced into the gap between the lower end of the drive shaft packing 60 and the upper surface of the main body 10 due to abrasion or deformation of the drive shaft packing 60, the juice flows down through the downward slope 15 to radial direction. Not only natural drainage to the outside, even if the juice rises down the inclined portion 15, by the ring-shaped protrusion step 17 prevents the inflow of juice finally once more.

5 is a cross-sectional view of a juicer according to another embodiment of the present invention.

The juicer 1 ′ according to another embodiment of the present invention is for preventing the juice from flowing out through the central axis 31 of the screw 30, and as shown in the driving shaft 13. The housing 20 in which the drive motor 11 is built so as to protrude upward, and is detachably seated on the main body 10, and the juice outlet 21 and the residue outlet 23 are separately formed at the bottom thereof. ), A screw 30 rotatably installed in the housing 20 and coupled to the drive shaft 13 to rotate and drive the juice object introduced into the housing 20, and a screw in the housing 20. 30 is installed so as to surround the mandrel 40 to separate and discharge the juice and debris, detachably coupled to the upper end of the housing 20, the inlet 51 is formed on the upper side and the mandrel 40 on the lower side Of the central axis 31 of the lid 50 and the screw 30 to which the upper end of The screw shaft packing 70 is coupled to the lower circumference and prevents juice from flowing out of the housing 20 as the lower end contacts the inner bottom surface of the housing 20.

Here, the aforementioned main body 10, the housing 20, the screw 30, the mandrel 40 and the lid 50 is a basic configuration for forming the juicer (1 '), the following further detailed description It will be omitted, and the configuration distinguished from the prior art will be described in detail.

The screw shaft packing 70 is coupled to the central shaft 31 of the screw 30 described above. The screw shaft packing 70 prevents juice from flowing out of the housing 20. It extends in a bell shape from the upper side coupled to the lower circumference of the central axis 31 toward the lower side in the radial direction, and the lower side is formed in a structure in contact with the inner bottom surface of the housing 20. The packing coupling groove 31a is formed around the central axis 31 of the screw 30 to couple the screw shaft packing 70.

In the juicer 1 ′ according to another embodiment of the present invention, the screw shaft packing 70 is installed on the central shaft 31 of the screw 30 and the screw shaft packing 70 is connected to the screw 30. From the upper side coupled around the central axis 31 extends in a bell shape from the upper side to the lower side in a bell shape so that the lower side is in contact with the inner bottom surface of the housing 20, the juice forms the central axis of the screw 30. Ride through the screw shaft packing 70 does not flow out of the lower portion of the housing 20 flows.

In addition, the screw shaft packing 70 and the central shaft 31 of the screw 30 so that the screw shaft packing 70 is not rotated integrally with the central shaft 31 of the screw 30 due to the difference in friction force according to the contact area. ) Contact area is preferably smaller than the area in contact with the inner bottom surface of the screw shaft packing 70 and the housing 20. To this end, the upper side of the screw shaft packing 70 is linearly contacted in a ring shape around the central axis 31 of the screw 30, and the lower side of the screw shaft packing 70 is in surface contact with the inner bottom surface of the housing 20. It is desirable to be.

Around the central axis 31 of the screw 30, in particular, the upper side of the screw shaft packing 70 that is engaged in the packing coupling groove 31a has an "E" shape as shown in the ring shape at a total of three places Line contact.

In this case, as the upper side of the screw shaft packing 70 is linearly contacted in a ring shape around the central shaft 31 of the screw 30, the screw shaft packing 70 is in contact with the central shaft 31 of the screw 30. Even if not integrally rotated, the contact area with the central axis 31 of the screw 30 is small, which can greatly reduce the risk of wear or deformation, thereby significantly increasing the durability of the screw shaft packing (70).

In addition, around the central axis 31 of the screw 30 of the inner bottom surface of the housing 20 ring-shaped protruding end to finally prevent the juice flows through the central axis 31 of the screw 30 It is preferable that the jaw portion 25 is formed.

In this case, even if juice is introduced into the gap between the lower end of the screw shaft packing 70 and the inner bottom surface of the housing 20 due to wear or deformation of the screw shaft packing 70, the ring-shaped protruding step portion 25 is used. The outflow of the juice downward through the central axis 31 of the screw 30 can be finally prevented, and as a result, the inflow of the juice into the body 10 can be prevented in advance.

Juicer 1 "according to another embodiment of the present invention, the juice is prevented from flowing through the drive shaft 13 into the main body 10 and at the same time juice is the central axis of the screw 30 In order to be prevented from flowing out through the 31 and flowing out into the lower portion of the housing 20 and finally introduced into the main body 10, as shown, the drive shaft 13 is protruded upwards as shown in FIG. 11 is embedded in the main body 10, the housing 20 is detachably seated on the main body 10, the juice outlet 21 and the residue discharge port 23 is formed separately in the lower portion, and the housing 20 Screw 30 is rotatably installed and coupled to the drive shaft 13 to drive the juice to be inserted into the interior of the housing 20 while rotating, and installed to surround the screw 30 in the housing 20 Attached to the top of the housing 20 and the mandrel 40 to separate and discharge the residue The cap 50 is detachably coupled, and an inlet 51 is formed at an upper portion thereof, and an upper end of the mandrel 40 is detachably coupled to a lower surface thereof, and a drive shaft 13 protruding upward from the main body 10. Drive shaft packing 60 and the center of the screw 30 to prevent the juice is introduced into the body 10 by the drive shaft 13 as the upper side is coupled to the upper side and the lower end is in contact with the upper surface of the main body 10 A screw shaft packing 70 is coupled to the lower periphery of the shaft 31 and prevents juice from flowing out of the housing 20 as the lower end contacts the inner bottom surface of the housing 20.

Here, the above-described main body 10, the housing 20, the screw 30, the mandrel 40 and the lid 50 is a basic configuration for forming a juicer (1 "), the following detailed description It will be omitted, and the configuration distinguished from the prior art will be described in detail.

In the case of the juicer 1 "according to another embodiment of the present invention, the drive shaft packing 60 is installed around the upper side of the drive shaft 13 protruding from the main body 10, and the drive shaft packing 60 is the drive shaft ( 13, and the lower end is in contact with the upper surface of the main body 10 from the upper side coupled to the radially outward from the upper side coupled to the periphery of the main body 10, the juice flows through the drive shaft 13 if the body spills 10 it does not flow into the drive shaft packing 60 flows down along the upper surface.

In addition, the contact area between the drive shaft packing 60 and the drive shaft 13 is in contact with the drive shaft packing 60 and the main body so that the drive shaft packing 60 may be integrally rotated with the drive shaft 13 due to the difference in frictional force according to the contact area. It is preferred to be larger than the area in contact with the top surface of (10). To this end, it is preferable that the upper side of the drive shaft packing 60 is in surface contact with the circumference of the drive shaft 13 and the lower end of the drive shaft packing 60 is in linear contact with the upper surface of the main body 10 in a ring shape.

In addition, since only the lower end of the drive shaft packing 60 is linearly contacted with the upper surface of the main body 10 in a ring shape, even if the drive shaft packing 60 is integrally rotated with the drive shaft 13, Since the contact area is small, the risk of abrasion or deformation can be greatly reduced, which can greatly increase the durability of the drive shaft packing 60.

In the case of the juicer 1 "according to another embodiment of the present invention, the screw shaft packing 70 is installed on the central shaft 31 of the screw 30 and the screw shaft packing 70 is the screw 30 at the same time. From the upper side coupled around the central axis 31 of the radially outward extending in a bell shape toward the bottom (bottom) as the lower side in contact with the inner bottom surface of the housing 20, the juice of the screw 30 The shaft flows down the screw shaft packing 70 without flowing out of the lower portion of the housing 20.

Around the central axis 31 of the screw 30, in particular, the upper side of the screw shaft packing 70 coupled in the packing coupling groove 31a has an "E" shape as shown in the ring shape at a total of five places Line contact.

* Description of the sign *

1, 1 ', 1 ": juicer 10: main body

11 drive motor 13 drive shaft

15: downward inclination portion 17, 25: ring-shaped protrusion stepped portion

20: housing 21: juice outlet

23: residue outlet 30: screw

31: central axis 40: mesh drum

50: lid 60: central axis packing

70: screw shaft packing

Claims

A main body in which the driving motor is built so that the driving shaft protrudes to the outside;

A housing which is detachably seated on the main body and has a juice outlet and a waste outlet separated on one side;

A screw rotatably installed in the housing and coupled to the drive shaft to rotate the juice to be fed into the housing;

A mandrel installed to surround the screw in the housing to separate juice and debris;

A lid detachably coupled to the housing and having an inlet through which the juice object is inserted; And

And a drive shaft packing coupled to a circumference of the drive shaft protruding from the main body, the lower end of which is in contact with an outer surface of the main body to prevent juice from flowing into the main body.
The method according to claim 1,

The drive shaft packing is a juicer, characterized in that extending from the upper side coupled to the circumference of the drive shaft in the shape of an umbrella inclined downward toward the bottom so that the lower end is in contact with the upper surface of the main body.
The method according to claim 2,

And a contact area between the drive shaft packing and the drive shaft is larger than the contact area between the drive shaft packing and the main body, and the drive shaft packing is integrally rotated with the drive shaft.
The method according to claim 3,

The upper side of the drive shaft packing is in surface contact with the circumference of the drive shaft, the lower end of the drive shaft packing is juicer, characterized in that the line contact with the upper surface of the main body in a ring shape.
The method according to claim 1,

Juicer, characterized in that the downward inclined portion is formed in the upper circumference of the main body of the drive shaft is lowered toward the radial direction.
The method according to claim 5,

Juicer, characterized in that the ring-shaped protruding step portion is formed in the radially inner end of the downward inclined portion of the upper surface of the main body to prevent the juice from flowing into the inside of the main body.
A main body in which the driving motor is built so that the driving shaft protrudes to the outside;

A housing which is detachably seated on the main body and has a juice outlet and a waste outlet separated on one side;

A screw rotatably installed in the housing and coupled to the drive shaft to rotate the juice to be fed into the housing;

A mandrel installed to surround the screw in the housing to separate juice and debris;

A lid detachably coupled to the housing and having an inlet through which the juice object is inserted; And

And a screw shaft packing coupled to a circumference of a central axis of the screw, the lower end of which is in contact with an inner surface of the housing to prevent juice from flowing out of the housing.
The method according to claim 7,

The screw shaft packing is juicer, characterized in that extending from the upper side coupled to the circumference of the central axis of the screw in a longitudinal shape inclined downward toward the bottom so that the lower side is in contact with the inner lower surface of the housing.
The method according to claim 8,

Wherein the contact area between the screw shaft packing and the central shaft of the screw is smaller than the contact area between the screw shaft packing and the inner bottom surface of the housing, and the screw shaft packing is not rotated integrally with the central shaft of the screw. Juicer.
The method according to claim 9,

The upper side of the screw shaft packing is in a ring-shaped line contact around the central axis of the screw, the lower side of the screw shaft packing is juicer, characterized in that the surface contact with the inner bottom surface of the housing.
The method according to claim 7,

Juicer, characterized in that the ring-shaped protrusion step portion is formed around the central axis of the screw of the inner bottom surface of the housing to prevent juice from flowing downward through the central axis of the screw.
A main body in which the driving motor is built so that the driving shaft protrudes to the outside;

A housing which is detachably seated on the main body and has a juice outlet and a waste outlet separated on one side;

A screw rotatably installed in the housing and coupled to the drive shaft to rotate the juice to be fed into the housing;

A mandrel installed to surround the screw in the housing to separate juice and debris;

A lid detachably coupled to the housing and having an inlet through which the juice object is inserted;

A drive shaft packing coupled to a circumference of the drive shaft protruding from the main body, the lower end of which is in contact with an outer surface of the main body to prevent juice from flowing into the main body; And

And a screw shaft packing coupled to a circumference of a central axis of the screw, the lower end of which is in contact with an inner surface of the housing to prevent juice from flowing out of the housing.