WO2017157209A1 - Dispositif d'extraction de jus - Google Patents

Dispositif d'extraction de jus Download PDF

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Publication number
WO2017157209A1
WO2017157209A1 PCT/CN2017/075959 CN2017075959W WO2017157209A1 WO 2017157209 A1 WO2017157209 A1 WO 2017157209A1 CN 2017075959 W CN2017075959 W CN 2017075959W WO 2017157209 A1 WO2017157209 A1 WO 2017157209A1
Authority
WO
WIPO (PCT)
Prior art keywords
juice extraction
extraction device
juice
scraper
mesh filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/075959
Other languages
English (en)
Inventor
Chung Ming Chan
Kwan Kit Chan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Golden Choice Products Ltd
Original Assignee
Golden Choice Products Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Golden Choice Products Ltd filed Critical Golden Choice Products Ltd
Publication of WO2017157209A1 publication Critical patent/WO2017157209A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J19/00—Household machines for straining foodstuffs; Household implements for mashing or straining foodstuffs
    • A47J19/02—Citrus fruit squeezers; Other fruit juice extracting devices
    • A47J19/025—Citrus fruit squeezers; Other fruit juice extracting devices including a pressing screw
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J19/00—Household machines for straining foodstuffs; Household implements for mashing or straining foodstuffs
    • A47J19/02—Citrus fruit squeezers; Other fruit juice extracting devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J19/00—Household machines for straining foodstuffs; Household implements for mashing or straining foodstuffs
    • A47J19/06—Juice presses for vegetables

Definitions

  • This invention relates to a juice extraction device, such as a slow juicer, a puree maker and the like, for extracting juice from food material.
  • this invention relates to a juice extraction device comprising scraper (s) for scraping a mesh filter of the juice extraction device.
  • Juice extraction device is a kind of home appliance for extracting juice from food materials, such as fruit, herbs, leafy greens, vegetable and the like.
  • the speed is relatively slow in the region of lower hundreds RPM.
  • Some of these so called slow juicers are known.
  • such slow juicers include a juice extraction screw and a mesh filter encompassing the juice extraction screw, and a work chamber is defined as the cavity spacing between the juice extraction screw and the mesh filter.
  • a housing is also provided to encompass the mesh filter.
  • the juice extraction screw typically has a juice extraction spiral rib running from the front to the end of the juice extraction screw, and defines a plurality of spiral gaps along the length of the juice extraction screw.
  • Food material from which juice is to be extracted, is crushed, pressed and then pushed out of the work chamber, during which the food material is pressed against the mesh filter to extract juice.
  • the extracted juice flows through the filter openings, and is finally discharged from a juice exit of the housing.
  • citrus fruits such as orange, lemon, lime and grape have a common characteristic that the fruit juice is confined by pulp cells (membranous content of the fruit endocarp, or technically called juice vesicles) .
  • the vesicles contain the juice of the fruit.
  • the pulp is usually removed from the juice by the use of citrus reamer or citrus juicer with which the membranes are pressed against a ridged cone to release the juice within.
  • the citrus fruit juice will freely flow through arrays of slit openings or reams where juice is allowed to flow through while the membranes are blocked by the slit filter openings or by these reams.
  • Citrus press or reamer may not be applicable to fruit such as pears, apples or various fruits where the juice is fused with the fleshy hypanthium.
  • slow juicers can work on such types of fruits relatively nicely because the compression screw presses the fleshy hypanthium against a mesh filter where the juice is separated from the fruit and flow through the filter openings while the fiber tissues are removed by the helical compression screw from the inside wall of the mesh filter.
  • Slow juicer has different sizes filter openings to effectively allowing the juice to flow through effectively while keeping the fiber tissues confined within the inside wall of the mesh filter.
  • a similar scenario applies to extracting vegetable juice with which the juice is fused with the leaves fiber.
  • slow juicer can extract juice from a wide variety of fruits and vegetables, and therefore the mesh filter has to handle all types of juices that mix with a wide variety fiber tissues.
  • the extracted juice flow out of the filter openings is viscous juice-containing fluid, fiber tissues and air bubbles entrained during the extraction process. Fiber tissues with all sizes and shapes tend to adhere to the walls with the filter openings and block or limit the juice flow.
  • sweepers such as brushes and cleaning blades are provided and rotated continuously along with the juice extraction screw to clean an outer surface of the mesh filter.
  • Such continuous unidirectional sweeping is only able to clean the outer surface of the mesh filter, but may not be able to effectively resolve the blockage of the juice flow within the filter openings, and may not be able to remove residuals that adhered on the outer surface of the mesh filter, in particular, those areas surrounding the openings.
  • this invention provides a juice extraction device (100) that includes
  • the scraper is capable of revolving reciprocally around the rotation axis by starting to revolve in a first direction from a starting point, revolve backwardly in an opposite second direction after passing a predetermined angle, and start again to revolve in said first direction after returning to the starting point.
  • the mesh filter has a plurality of openings (132, 232) from which juice flows out
  • the at least one scraper has a plurality of protrusions (126, 226) , and as the scraper revolves, the protrusions of the scraper are respectively inserted into and drawn from the openings of the mesh filter so as to clean the openings.
  • the plurality of openings are arranged in rows along the rotation axis. Even preferably, there are equal intervals between the rows, while a plurality of scrapers are provided along the rotation axis with the equal intervals between the scrapers.
  • the predetermined angle equals to 360°/N.
  • the scraper is a flat blade capable of scraping an outer circumference of the mesh filter.
  • the scraper has a sweeping portion (227) capable of scraping an inner circumference of the housing.
  • the scraper is made of elastic material. More preferably, the elastic material includes plastic or metal.
  • Figure 1 is an exploded view of an embodiment of the exemplary juice extraction device of this invention
  • Figure 2 is an exploded partial side view of the exemplary juice extraction device of Figure 1;
  • Figure 3 is an exploded partial side view of the exemplary juice extraction device of Figure 1, showing the food material from which the juice is being extracted;
  • Figure 4 is a perspective view of the exemplary juice extraction device of Figure 1, in which a part of a mesh filter is cut off;
  • Figure 5 is an exploded view of another embodiment of the exemplary juice extraction device of this invention.
  • Figure 6A shows an assembled view of the exemplary juice extraction device in Figure 5, in which a part of the assembly is cut off for the purpose of clearer illustration;
  • Figure 6B shows an enlarged view of the portion in the circular region in Figure 6A;
  • FIGS 7A to 7F show the process as to how the scrapers perform scraping
  • Figure 8 is a side view of another embodiment of the exemplary juice extraction device of this invention.
  • Figure 9 schematically shows plan views of an embodiment of a driving mechanism of the scrapers.
  • Juice extraction device 110 Housing 111 Juice exit 120, 220, 420 Scraping assembly 121, 221 Scraper 122 Driving mechanism 123 Linkage 124 Lower frame 125 Upper frame 126, 226 Protrusion 130 Mesh filter 131, 231 Outer surface of the mesh filter 132, 232 Filter opening 140 Juice extraction screw 141 Spiral rib 142 Rotation axis of the juice extraction screw 150 Food material cutter 160 Upper assembly of the juice extraction device 161 Push rod 162 Housing lid 163 Residue exit 170 Food material from which the juice is being extracted 180 Juice 227 Scraping blade 232A, 232B, 232C Row in which the filter openings are arranged 327 Handle 491 Driving gear
  • FIG 1 showsan exploded view the juice extraction device 100.
  • the juice extraction device 100 is in the so-called vertical configuration, which comprises an upper assembly 160, a hollow juice extraction screw 140 rotatable about its rotation axis 142 (see Figure 2) , a food material cutter 150 provided at the bottom of the juice extraction screw 140; a mesh filter 130 encompassing the juice extraction screw 140; a scraping assembly 120for scraping the mesh filter 130; and a housing 110 accommodating all of the above components.
  • Scraping assembly rotates reciprocally about juice extraction screw 140 by starting to revolve in a first direction from a starting point, revolve backwardly in an opposite second direction after passing a predetermined angle, and start again to revolve in said first direction after returning to the starting point.
  • the housing 110 has a juice exit 111 (more clearly shown in Figures 5, 6A and 7A-7F) at the bottom thereof from which juice extracted from the food material exits.
  • the upper assembly 160 includes a push rod 161, a housing lid 162 and a residue exit 163. It should be noted that although a hollow juice extraction screw 140 is shown in this embodiment, the scraping mechanism of this invention would also work on non-hollow juice extraction screw.
  • the scraping assembly 120 comprises a plurality of scrapers 121, preferably provided in N rows along a direction of the rotation axis 142 of the juice extraction screw 140 with equal intervals between every two adjacent rows of scrapers 121.
  • the intervals between every two adjacent rows of scrapers 121 are preferably the same, each of which corresponds to 45°, that is, 360°/N) with respect to the rotation axis 142 of the juice extraction screw 140, but the angel can be any degree as desired.
  • the scraping assembly 120 further comprises a driving mechanism 122 to provide a driving force (not completely shown) ; and a rigid linkage 123that connects the driving mechanism 122and the frame 124.
  • rotation can be transmitted from the driving mechanism 122 to the frame 124 so as to bring the scrapers 121 to revolve around the rotation axis 142 of the juice extraction screw 140.
  • Each row of the scrapers 121 has a plurality of protrusions 126.
  • the protrusions 126 could be inserted and drawn from the filter openings 132 of the mesh filter 130, which will be described later) , while the straight portions between the protrusions 126of the scrapers 121 pressing against the outer surface 131 of the mesh filter 130. Accordingly, both of the outer surface 131 and the filter openings 132 of the mesh filter 130 could be scrapped.
  • the juice extraction screw 140 has a spiral rib 141 on the outer surface thereof and is rotatable about its rotation axis 142. As the juice extraction screw 140 rotates, food material170 is pushed from a lower end towards an upper end of the juice extraction screw 140 along the spiral rib 141, crushed and pressed between the spiral gaps formed by the spiral rib 141 and the inner side of the mesh filter 130. Thus, juice is extracted from the food material 170.
  • the mesh filter 130 has a plurality of filter openings 132 to allow the extracted juice 180 to pass.
  • the plurality of filter openings 132 are arranged in M rows along a direction of the rotation axis142of the juice extraction screw 140 preferably with equal intervals between the rows.
  • the intervals between every two adjacent rows of filter opening 132 are preferably the same, each of which corresponds to a central angle of 22.5° (i.e., 360°/M) with respect to the rotation axis 142 of the juice extraction screw 140.
  • the juice extraction screw 140 is in general cylindrical shape due to simplicity, it is not necessarily so and other shapes can be used, such as wedge shape. Naturally, if the juice extraction screw 140 is of shape different from cylindrical shape, the shapes of the housing 110, the mesh filter 130, etc have to be adjusted accordingly.
  • an optional driver housing holding a driver (not shown in the figures) may be provided if desired, which can also be used to provide support to the housing 110 on a flat surface, like table top.
  • the drivers of the scraping assembly 120 and the juice extraction screw 140 are optional, both of which can be motor driven or hand driven.
  • the food material 170 When extracting juice from food material 170, the food material 170 is put into a sleeve through the center of the housing lid 162, pressed downwardly by the push rod 161, cut by the cutter 150 at the bottom of the juice extraction screw 140, crushed and pushed from a lower end towards an upper end of the juice extraction screw 140 along the spiral rib 141, and finally discharged from the residue exit 163. Meanwhile, the extracted juice 180 flows through the filter openings 132 and finally exits from the juice exit 111.
  • the scrapers 121 are rotated by the driving mechanism 122 via the linkage 123 so that the outer surface 131 and the filter openings 132 of the mesh filter 130 could be scrapped.
  • This invention distinguishes from the prior art mainly in the following:
  • the scrapers 121 could revolve back and forth, that is, reciprocally or circumferentially oscillating, about the rotation axis 142 by starting to revolve in a first direction from a starting point, revolve backwardly in an opposite second direction after passing a predetermined angle, and start again to revolve in said first direction after returning to the starting point, instead of revolving continuously in one direction as the juice extraction screw 140 rotates; and
  • the protrusions 126 may be inserted into and drawn from the filter openings 132.
  • the driving mechanism 122 may be a stepping motor, a swing motor or the like, for which the rotation speed and rotation amplitude can be controlled by a control unit (not shown in the figures) .
  • the linkage 123 may be substituted by a gear set.
  • the rotation speed and rotation amplitude of the scrapers 121 can be adjusted by adjusting the transmission ratio between the driving mechanism 122 and the lower frame 124 on which the scrapers 121 are mounted.
  • the rocker-slider mechanism includes a driving gear 491 mounted on the rotation axis 142 of the juice extraction screw 140; a driven gear 492 engaged with the driving gearing 491; a rocker 493, one end of which is pivotally positioned at the center of the driving gearing 491, while the other end of the rocker 493 is connected to a scraping assembly 420 on which the plurality of scrapers 121 are mounted; a guiding slot 494 provided in the rocker 493 and along the length of the rocker 493; and a slider 495provided on the driven gear 492 and positioned apart from center of the driven gear 492.
  • the slider 495 is inserted in and slidable along the guiding slot 494.
  • FIG. 9 The plan views (a) - (h) in Figure 9schematicallyshow how the rocker-slider mechanism works. Specifically, as the driving gear 491 rotates, the rocker 493 oscillates about the center of the driving gearing 491, and thus the scraping assembly 420 is rotated back and forth.
  • the rotation speed of the scraping assembly 420 can be controlled by adjusting the transmission ratio between the driving gear 491 and the driven gear 492, while the rotation amplitude of the scraping assembly 420 can be controlled by adjusting the distance between the slider 495 and the center of the driven gear 492.
  • Such a rocker-slider mechanism is advantageous in that it does not require any additional driver (e.g., a stepping motor or a swing motor) to rotate the scraping assembly 420.
  • the protrusions 126 should have elasticity so that they could be deformed as passing the region between two adjacent rows of the filter openings 132, and they could restore their protruding shape when they reach the filter openings 132.
  • the protrusions 126 are configured in tongue-shaped pieces, picks or the like.
  • the protrusions 126 are made of elastic materials like elastic plastic or metal. Accordingly, as the protrusions 126 passing the region between two adjacent rows of the filter openings 132, the protrusions 126 are bent against the outer surface 131 of the mesh filter 130 toward a direction opposite to the direction in which the protrusions 126 are moving. When the protrusions 126 reach the filter openings 132, the protrusions 126 are unbent so as to insert into the filter openings 132.
  • 8 rows of scrapers 121 and 16 rows of filter openings 132 are provided, with equal intervals between every two adjacent rows of scrapers 121, and between every two adjacent rows of filter openings 132.
  • the mesh filter 130 requires scraping, for example, all the 8rows of scrapers are rotated by the driving mechanism 122 to revolve in a first direction from a starting point, revolve backwardly in an opposite second direction after passing a central angle of 45°, and start again to revolve in said first direction after returning to the starting point. In this way, it could be guaranteed that all of the filter openings 132 and the outer surface 131 of the mesh filter 130 are scrapped.
  • M/N equals to an integer, such as 1, 2, 3 and the like.
  • M/N equals to an integer
  • each row of the scrapers 121 is assigned with the same amount of rows of filter openings 132 to clean. If M/N does not equals to an integer, it means that the amounts of rows of filter openings 132 to be scrapped by every row of scrapers 121 is different from one to the other, which may result in difficulties in installation, and/or different wear speed of the scrapers 121.
  • Figure 5 isan exploded view of another embodiment of the exemplary juice extraction device of this invention.
  • Figure 6A shows an assembled view of the exemplary juice extraction device in Figure 5, in which a part of the assembly is cut off.
  • Figure 6B shows an enlarged view of the portion in the circular region in Figure 6A.
  • a sweeping portion 227 is provided on an outer side of the scraping assembly 220 to clean the inner wall of the housing 110.
  • the scrapers 221 and the mesh filter are respectively separated into an upper portion and a lower portion.
  • Other configurations of this embodiment are similar to those in Figures 1 and 2. Thus, detailed descriptions about these configurations are omitted for simplicity.
  • FIGs 7A to 7F show the process as to how the scrapers 221 perform scraping, in which a part of the juice extraction device is cut off for the purpose of clearer illustration.
  • scrapers 221 are shown in Figures 7A to 7F, a skilled person could readily understand that the same mechanism is applicable to scrapers 121 in previous embodiment.
  • the scraper 221 begins to revolve in a direction R towards a row 232B of the filter openings, and the protrusions 226 of the scraper 221 have inserted into the corresponding filter openings 232 in a row 232A.
  • Figure 7B shows a state that the scraper 221 is passing a region between the row 232A and the row 232B.
  • Figures 7C shows a state that the scraper 221 has reached the row 232B, and the protrusions 226 have inserted into the corresponding filter openings.
  • the scraper 221 keeps on revolving towards the next row 232C of filter openings
  • Figure 7D shows a state that the scraper 221 is passing a region between the row 232B and the row 232C.
  • the scraper221 stops until it has passed60°, that is, 360°/6 in this embodiment, from its starting point. Then, the scraper221starts to revolve back towards its starting point in a direction R’ opposite to the direction R.
  • Figures 7E and 7F show the states of the scraper221 during its returning.
  • FIG 8 is a side view of another embodiment of the exemplary juice extraction device of this invention.
  • the scrapers 121 may be rotated by hand.
  • a handle 327 of the bottom frame 124 is extended out of the housing 110, and could be rotated by hand.
  • a guiding slot (not shown in Figure 8) is provided in the housing 110, through which the handle 327 passes.
  • the rotation amplitude of the handle 327 could be limited by a central angle of the guiding slot with respect to the rotation axis 142, while the rotation speed is controlled by hand.
  • Figure 8 shows a state that the handle 327 is provided at a lower part of the housing 110.
  • the handle 327 may be provided at an upper part of the housing 110, in which the handle 327 is connected to the upper frame 125.
  • the present invention provides a reciprocating/oscillating fashion of motion whereby section-wise rather than uni-directional continuous scraping process is possible.
  • This section-wise motion option enables a variety of performance enhancement devices could be installed to the slow juicers, and in particular, those enhancement devices form an obstruction where continuous scraping is not possible.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)

Abstract

La présente invention concerne un dispositif d'extraction de jus (100). Le dispositif d'extraction de jus (100) comprend : une vis (140), pouvant tourner autour d'un axe de rotation ; un filtre à mailles (130), comprenant la vis (140) ; au moins un racloir (121, 221), prévu autour du filtre à mailles (130) ; et un boîtier (110), recevant la vis (140), le filtre à mailles et le racloir (121, 221) ; le racloir est apte à tourner en va-et-vient autour de l'axe de rotation en commençant à tourner dans une première direction à partir d'un point de départ, tourner vers l'arrière dans une seconde direction opposée après le passage d'un angle prédéfini, et commencer de nouveau à tourner dans ladite première direction après être revenu au point de départ. Le dispositif d'extraction de jus permet d'éliminer les résidus collés sur les racloirs.
PCT/CN2017/075959 2016-03-15 2017-03-08 Dispositif d'extraction de jus Ceased WO2017157209A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
HK16103001.3 2016-03-15
HK16103001.3A HK1221115A2 (zh) 2016-03-15 2016-03-15 取汁装置

Publications (1)

Publication Number Publication Date
WO2017157209A1 true WO2017157209A1 (fr) 2017-09-21

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PCT/CN2017/075959 Ceased WO2017157209A1 (fr) 2016-03-15 2017-03-08 Dispositif d'extraction de jus

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CN (2) CN107184070A (fr)
HK (1) HK1221115A2 (fr)
WO (1) WO2017157209A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3650531A1 (fr) * 2018-11-09 2020-05-13 DSM IP Assets B.V. Dispositif de traitement de l'adipose

Citations (5)

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KR101181103B1 (ko) * 2012-01-13 2012-09-07 조종연 커터식 주서기
CN202665184U (zh) * 2012-05-10 2013-01-16 九阳股份有限公司 一种易清洗挤压式榨汁机
KR20130098700A (ko) * 2012-02-28 2013-09-05 주식회사 해피콜 착즙기
CN104739206A (zh) * 2014-06-13 2015-07-01 金再垣 用于榨汁机的榨汁模块
WO2016004831A1 (fr) * 2014-07-10 2016-01-14 Golden Choice Products Ltd. Dispositifs d'extraction de jus dotés d'un dispositif de balayage

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Publication number Priority date Publication date Assignee Title
CN2787137Y (zh) * 2005-04-21 2006-06-14 陈若愚 一种清洁擦
CN102029084A (zh) * 2010-11-11 2011-04-27 中国水产科学研究院渔业机械仪器研究所 水产养殖用弧形筛过滤设备
CN201929686U (zh) * 2011-01-18 2011-08-17 陈宜文 榨汁机网筒清理装置
CN103639109A (zh) * 2013-12-22 2014-03-19 重庆市合川区互帮机械电器加工厂 快速筛粉机
CN204765080U (zh) * 2015-06-18 2015-11-18 深圳市人和智聚科技开发有限公司 一种豆浆过滤器
CN207285480U (zh) * 2017-09-27 2018-05-01 江苏经贸职业技术学院 公文包

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101181103B1 (ko) * 2012-01-13 2012-09-07 조종연 커터식 주서기
KR20130098700A (ko) * 2012-02-28 2013-09-05 주식회사 해피콜 착즙기
CN202665184U (zh) * 2012-05-10 2013-01-16 九阳股份有限公司 一种易清洗挤压式榨汁机
CN104739206A (zh) * 2014-06-13 2015-07-01 金再垣 用于榨汁机的榨汁模块
WO2016004831A1 (fr) * 2014-07-10 2016-01-14 Golden Choice Products Ltd. Dispositifs d'extraction de jus dotés d'un dispositif de balayage

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Publication number Publication date
CN107184070A (zh) 2017-09-22
CN207285840U (zh) 2018-05-01
HK1221115A2 (zh) 2017-05-19

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