WO2018148925A1 - 一种可替换立体型滤纸的法压壶滤压器组装置 - Google Patents

一种可替换立体型滤纸的法压壶滤压器组装置 Download PDF

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WO2018148925A1
WO2018148925A1 PCT/CN2017/073896 CN2017073896W WO2018148925A1 WO 2018148925 A1 WO2018148925 A1 WO 2018148925A1 CN 2017073896 W CN2017073896 W CN 2017073896W WO 2018148925 A1 WO2018148925 A1 WO 2018148925A1
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filter paper
filter
replaceable
pressure
french press
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PCT/CN2017/073896
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English (en)
French (fr)
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朱熙超
张斌
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上海思乐得不锈钢制品有限公司
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Priority to PCT/CN2017/073896 priority Critical patent/WO2018148925A1/zh
Priority to CN201721682872.6U priority patent/CN208551281U/zh
Priority to CN201711279073.9A priority patent/CN107960864A/zh
Publication of WO2018148925A1 publication Critical patent/WO2018148925A1/zh

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    • 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
    • A47J31/00—Apparatus for making beverages
    • A47J31/06—Filters or strainers for coffee or tea makers ; Holders therefor
    • A47J31/08—Paper filter inlays therefor to be disposed after use
    • A47J31/085—Paper filter inlays therefor to be disposed after use to be used for brewing coffee under pressure, e.g. for espresso machines

Definitions

  • the present invention relates to a pressure cooker, and more particularly to a filter device suitable for use in a pressure cooker.
  • the existing method pressure pot is mostly made of metal filter, and its structure is generally similar.
  • the Chinese patent CN204813412U is named as a pressure pot.
  • the pressure pot includes a pot body and a pot lid, and the bottom of the pot body is provided.
  • the main technical problem in the prior art is that the brewing materials such as coffee grounds in the filter group gather at the bottom of the kettle body. During the brewing process, the filter residue at the bottom of the kettle body is caused by the action of the pressure head and the filter press group. Harder to clean. Therefore, there is a design such as the Chinese patent CN204813412U with cleaning bristles under the filter layer. However, in actual use, it is still cumbersome and inconvenient.
  • the structure comprises a kettle body for holding a liquid and a filter assembly;
  • the filter assembly comprises a coffee grounds bowl, a coffee ground filter, a lid and an operating rod, a sleeve is arranged in the center of the lid, and the operating rod vertically passes through the sleeve, the coffee grounds
  • the filter mesh is fixed on the bottom of the operating rod, and the outer ring of the coffee slag filter is sleeved with a sealing ring that maintains an interference fit with the inner wall of the kettle body, and an annular bayonet opening is formed on the outer peripheral wall of the sealing ring; the coffee grounds bowl is placed at the bottom of the kettle body.
  • the coffee grounds bowl neck is provided with an annular concave protrusion; when the coffee ground filter moves down to the lowest position with the operating rod, the annular ring of the sealing ring is engaged with the annular concave protrusion of the coffee grounds bowl neck So that when the lever is lifted up, the coffee grounds bowl will be brought along with the coffee grounds filter.
  • the structure of the pressure pot filter assembly through a built-in coffee grounds bowl makes the cleaning work after the process relatively easy and convenient, and is conducive to water conservation, but the structure is more complicated, due to the use of plastic sealing ring, and the aging characteristics of plastic products It is inherent, even if the quality of the plastic sealing ring, after long-term use, especially in the use of high-temperature brewing coffee, there is a potential adverse effect on human health.
  • the Chinese patent CN204813412U is a second filter layer on the pressure bar structure to further filter the coffee to enhance the coffee mouthfeel.
  • the name is a double-layer filtering method pressure pot, the method is provided with an opening at a position corresponding to the spout on the casing, and a filter net and a sealing ring are arranged at the opening.
  • the second interception residue is carried out to enhance the effect of filtering coffee grounds or tea leaves.
  • the pore diameter of the filter pores on the filter screen is higher than that of the ultrafine coffee slag. As the use time is prolonged, the problem of clogging always occurs, and at the same time, the filtration is affected. The means of increasing the filtration effect by increasing the number of filtration times will again cause difficulty in cleaning and troublesome practical use of the filter unit.
  • Chinese patent CN106108648A the name is a high-efficiency pressure pot
  • the pressure pot includes a filter press mechanism
  • the press filter mechanism includes a press rod, an upper clamping ring, a lower clamping ring, a spring member and a filter paper
  • the pressure bar Extending from top to bottom, the center of the upper clamping ring is fixedly connected with the bottom end of the pressing rod
  • the spring member has an upper end and a lower end, the upper end is fixedly connected with the upper clamping ring, and the lower end is fixedly connected with the lower clamping ring
  • the filter paper is clamped and fixed by an upper clamping ring and a lower clamping ring.
  • the filter press mechanism of the pressure pot clamps and fixes the filter paper between the upper and lower clamp rings through the interaction of the upper clamp ring, the lower clamp ring and the spring members connected therebetween, through the filter paper pair
  • the coffee powder is filtered to enhance the filtration.
  • the use of plastic sealing rings has a potential adverse effect on human health after long-term use, especially in the use of high-temperature brewed coffee.
  • the object of the present invention is to overcome the deficiencies of the prior art mentioned above, and to provide a metal filter or a common flat filter paper which replaces the pressure pot with a replaceable three-dimensional filter paper, thereby avoiding the use of a plastic sealing ring, thereby achieving an always efficient filtering effect. And a pressure washer pot filter unit that is easy to use and replaces the filter paper.
  • a specific technical solution of the present invention is: a pressure presser filter set device for replacing a three-dimensional filter paper, the device comprising a press bar 1, a metal bracket 2 and a replaceable three-dimensional filter paper 3;
  • the pressure bar is fixedly connected, and the replaceable three-dimensional filter paper is wrapped on the outside of the metal bracket, and can maintain an interference fit with the inner wall of the pot body of the pressure pot, and the frictional force generated by the interference fit and the inner wall of the pot of the pressure pot is greater than It is equal to the sealing force required to prevent the filter residue from leaking, and the frictional force generated by the interference fit with the inner wall of the pressure pot is smaller than the pressure from the pressure bar and the metal bracket during normal use.
  • planar structure of the metal bracket 2 needs to effectively support the replaceable three-dimensional filter paper coated on the outside, and the shape of the filter hole can be variously used.
  • the material of the replaceable three-dimensional filter paper 3 may be ordinary filter paper or wrinkle filter paper.
  • the invention adopts the replaceable three-dimensional filter paper instead of the prior art pressure press metal filter screen, and the replaceable three-dimensional filter paper can replace two parts, one is to replace the metal filter part of the original metal filter system, and the second is to use the three-dimensional
  • the frictional effect produced by the interference fit between the filter paper and the side wall replaces the silicone seal ring commonly used in the prior art, thereby achieving a more
  • the good filtering effect and the convenience of being discarded after use also enhance the user experience, greatly improving convenience and health and safety.
  • FIG. 1 is a view showing a state of use of a pressure pot filter unit of an alternative three-dimensional type filter paper of the present invention.
  • FIG. 2 is a schematic view showing the structure of a device for a pressure presser filter unit of the replaceable three-dimensional filter paper of the present invention.
  • Fig. 3 is a schematic view showing the assembly of a pressure vessel pressurizer assembly of the replaceable three-dimensional filter paper of the present invention.
  • FIG. 4 is a schematic plan view showing the structure of a metal bracket of the present invention.
  • Figure 5 is a plan view showing the structure of another metal bracket of the present invention.
  • Figure 6 is a schematic view showing the structure of an alternative three-dimensional filter paper of the present invention.
  • Figure 7 is a schematic view showing the structure of another alternative three-dimensional filter paper of the present invention.
  • FIG. 1 it is a state diagram of the use of the pressure pot filter set device of the replaceable three-dimensional filter paper of the present invention, the structure of which is shown in FIG. 2
  • FIG. 3 is a schematic view of the assembly.
  • the invention relates to a pressure presser filter set device of an alternative three-dimensional filter paper, which comprises a press bar 1, a metal bracket 2 and a replaceable three-dimensional filter paper 3; the metal bracket is fixedly connected with the pressure bar,
  • the replacement three-dimensional filter paper is wrapped on the outside of the metal bracket, and can maintain an interference fit with the inner wall of the pot body of the pressure pot, and the frictional force generated by the interference fit and the inner wall of the pressure pot can be greater than or equal to the prevention of leakage of the filter residue.
  • the sealing force, at the same time, the frictional force generated by the interference fit with the inner wall of the pressure pot is smaller than the pressure from the pressure bar and the metal bracket during normal use.
  • the planar structure of the metal bracket 2 needs to effectively support the replaceable three-dimensional filter paper coated on the outside, and the shape of the filter hole can adopt various styles as shown in FIG. 4 or FIG.
  • the material of the replaceable three-dimensional filter paper 3 can be ordinary filter paper or wrinkle filter paper, as shown in FIG. 6 or FIG.
  • the invention adopts the replaceable three-dimensional filter paper instead of the prior art pressure press metal filter screen, and the replaceable three-dimensional filter paper can replace two parts, one is to replace the metal filter part of the original metal filter system, and the second is to use the three-dimensional
  • the friction effect produced by the interference fit between the filter paper and the side wall replaces the silicone seal ring commonly used in the prior art, thereby achieving better filtering effect, and the convenience of being discarded after use also improves the user experience and greatly improves the user experience. Convenience and health and safety.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)

Abstract

一种法压壶，尤其涉及一种可替换立体型滤纸的法压壶滤压器组装置，该装置包括压杆（1），金属托架（2）和可替换立体型滤纸（3）；所述金属托架（2）与压杆（1）固定连接，可替换立体型滤纸（3）包覆在金属托架（2）外部，并可与法压壶的壶体内壁保持过盈配合，该过盈配合产生的与法压壶壶体内壁的摩擦力大于等于防止滤渣泄露所需的密封力，同时该过盈配合产生的与法压壶内壁的摩擦力小于正常使用时来自压杆（1）和金属托架（2）的压力。采用可替换立体型滤纸（3）来代替现有技术的法压壶金属过滤网，从而实现更好的过滤效果，使用后即弃的便利性也提升了用户体验，提高了便利性和健康安全性。

Description

一种可替换立体型滤纸的法压壶滤压器组装置 技术领域
本发明涉及法压壶，尤其是一种适用于法压壶的过滤装置。
背景技术
现有的法压壶，采用的多是金属过滤网方式，其结构大体上类似，例如中国专利CN204813412U，名称是一种法压壶，该法压壶包括壶体和壶盖，壶体底部设有壶座，壶体一侧设有壶把，壶盖中心设有通孔，压杆穿过通孔，压杆一端设有压头，另一端设有滤压器组，滤压器组包括咖啡碗和过滤层，咖啡碗和过滤层通过螺纹连接，压杆固定在过滤层上，咖啡碗底部设有滤孔。
现有技术中主要存在的技术问题是由于滤压器组咖啡渣等冲泡物聚集在壶体底部，在冲泡过程中，由于压头和滤压器组的作用，使得壶体底部的滤渣较难清洗。于是便有了如中国专利CN204813412U在过滤层下方设有清洗刷毛这样的设计。但在实际使用中，仍然较繁琐不便。
此外，也有如中国专利CN204033119U，名称为一种容易清洗的法压壶，试图通过对法压壶滤压器组的结构改进解决法压壶滤压器组的清洗问题。其结构包括用于盛装液体的壶体及过滤组件；过滤组件包括咖啡渣碗、咖啡渣滤网、壶盖和操作杆，壶盖中央设置有套筒，操作杆垂直穿过套筒，咖啡渣滤网固定于操作杆的底部，咖啡渣滤网外圈套置有与壶体内壁保持过盈配合的密封圈，密封圈的外周壁上开设有环形卡口；咖啡渣碗放置于壶体内底部，咖啡渣碗颈部设置有环形内凹突起；当咖啡渣滤网随着操作杆向下运动至最低位置时，密封圈的环形卡口与咖啡渣碗颈部的环形内凹突起卡合在一起，从而使得当向上提起操作杆时，咖啡渣碗将随同咖啡渣滤网一并带出。虽然该法压壶过滤组件结构通过一内置的咖啡渣碗令事后的清洗工作变得相对轻松简单，有利于节约用水，但其结构较为复杂，因采用了塑胶密封圈，而塑胶制品老化的特性是固有的，即便质量上乘的塑胶密封圈，在长期使用后，尤其是在高温冲泡咖啡的使用情况下，对人体健康是存在潜在的不利影响。
除了上述法压壶滤压器组使用后的清洗问题之外，对过滤效果的提升，也是目前现有技术中所试图解决的。
如中国专利CN204813412U，是在压杆结构上设置第二个过滤层，以此进一步对咖啡进行过滤，以提升咖啡口感。或者如中国专利CN205306769U，名称是一种双层过滤法压壶，该法压壶结构是在壳体上与壶口相对应的位置设置开口，并在该开口处设置过滤网和密封圈， 以此来进行二次拦截残渣，提升过滤咖啡渣或者茶叶渣的效果。但由于金属滤网本身材质和加工手段的限制，其滤网上过滤孔的孔径相较超细的咖啡渣而言，随着使用时间的延长，总会发生堵塞的问题，久之则影响过滤，同时以增多过滤次数的方式提升过滤效果的手段，又会重新造成滤压器组清洗困难和麻烦的实际使用问题。
中国专利CN106108648A，名称是一种高效法压壶，该法压壶包括压滤机构，所述压滤机构包括压杆、上夹紧环、下夹紧环、弹簧件和滤纸，所述压杆自上而下延伸设置，所述上夹紧环的中心与压杆底端固定连接，所述弹簧件具有上端和下端，上端与上夹紧环固定连接，下端与下夹紧环固定连接，所述滤纸通过上夹紧环和下夹紧环夹紧固定。该法压壶的压滤机构通过上夹紧环、下夹紧环及其之间连接的弹簧件的相互作用，对位于上、下夹紧环之间的滤纸进行夹紧固定，通过滤纸对咖啡粉进行过滤，从而提升过滤效果。但如前述，也因采用了塑胶密封圈，带来了在长期使用后，尤其是在高温冲泡咖啡的使用情况下，对人体健康是存在潜在的不利影响。
综上所述，如何在法压壶的使用中，不但提升过滤效果，且又要便于清洗，更重要的是在过滤组件中，避免采用塑胶密封圈，从而即使在长期使用的情况下，也不会对人体健康造成不利影响，是本发明所要解决的技术问题。
发明内容
本发明的目的是克服上述现有技术的不足，提出一种采用可替换立体型滤纸来代替法压壶的金属过滤网或普通的平面滤纸，避免采用塑胶密封圈，从而实现始终高效的过滤效果和可替换滤纸的免清洗便利使用的法压壶滤压器组装置。
本发明的具体技术方案是：一种可替换立体型滤纸的法压壶滤压器组装置，该装置包括压杆1，金属托架2和可替换立体型滤纸3；所述金属托架与压杆固定连接，可替换立体型滤纸包覆在金属托架外部，并可与法压壶的壶体内壁保持过盈配合，该过盈配合产生的与法压壶壶体内壁的摩擦力大于等于防止滤渣泄露所需的密封力，同时该过盈配合产生的与法压壶内壁的摩擦力小于正常使用时来自压杆和金属托架的压力。
进一步的，金属托架2的平面结构需对包覆在外部的可替换立体型滤纸起到有效的支撑作用，过滤孔的形状可以采用各种款式。
进一步的，可替换立体型滤纸3的材质可以采用普通滤纸或皱纹滤纸。
本发明采用可替换立体型滤纸来代替现有技术的法压壶金属过滤网，可替换立体型滤纸可以取代两个部件，一是代替原有金属过滤系统的金属滤网部分，二是利用立体型滤纸和侧壁的过盈配合产生的摩擦力效果以代替现有技术中普遍采用的硅胶密封圈，从而实现更 好的过滤效果，使用后即弃的便利性也提升了用户体验，大大提高了便利性和健康安全性。
附图说明
图1是本发明可替换立体型滤纸的法压壶滤压器组装置使用状态图。
图2是本发明可替换立体型滤纸的法压壶滤压器组装置结构示意图。
图3是本发明可替换立体型滤纸的法压壶滤压器组装置装配示意图。
图4是本发明一种金属托架的平面结构示意图。
图5是本发明另一种金属托架的平面结构示意图。
图6是本发明一种可替换立体型滤纸的结构示意图。
图7是本发明另一种可替换立体型滤纸的结构示意图。
具体实施方式
实施例
如图1所示，是本发明可替换立体型滤纸的法压壶滤压器组装置使用状态图，其结构如图2所示，图3是装配示意图。本发明一种可替换立体型滤纸的法压壶滤压器组装置，该装置包括压杆1，金属托架2和可替换立体型滤纸3；所述金属托架与压杆固定连接，可替换立体型滤纸包覆在金属托架外部，并可与法压壶的壶体内壁保持过盈配合，该过盈配合产生的与法压壶壶体内壁的摩擦力大于等于防止滤渣泄露所需的密封力，同时该过盈配合产生的与法压壶内壁的摩擦力小于正常使用时来自压杆和金属托架的压力。金属托架2的平面结构需对包覆在外部的可替换立体型滤纸起到有效的支撑作用，过滤孔的形状可以采用如图4或图5的各种款式。可替换立体型滤纸3的材质可以采用普通滤纸或皱纹滤纸，如图6或图7。
本发明采用可替换立体型滤纸来代替现有技术的法压壶金属过滤网，可替换立体型滤纸可以取代两个部件，一是代替原有金属过滤系统的金属滤网部分，二是利用立体型滤纸和侧壁的过盈配合产生的摩擦力效果以代替现有技术中普遍采用的硅胶密封圈，从而实现更好的过滤效果，使用后即弃的便利性也提升了用户体验，大大提高了便利性和健康安全性。

Claims (3)

  1. 一种可替换立体型滤纸的法压壶滤压器组装置，其特征在于，该装置包括压杆(1)，金属托架(2)和可替换立体型滤纸(3)；所述金属托架与压杆固定连接，可替换立体型滤纸包覆在金属托架外部，并可与法压壶的壶体内壁保持过盈配合，该过盈配合产生的与法压壶壶体内壁的摩擦力大于等于防止滤渣泄露所需的密封力，同时该过盈配合产生的与法压壶内壁的摩擦力小于正常使用时来自压杆和金属托架的压力。
  2. 根据权利要求1所述的一种可替换立体型滤纸的法压壶滤压器组装置，其特征在于，所述金属托架(2)的平面结构对包覆在外部的可替换立体型滤纸起到支撑作用。
  3. 根据权利要求1所述的一种可替换立体型滤纸的法压壶滤压器组装置，其特征在于，所述可替换立体型滤纸(3)的材质采用普通滤纸或皱纹滤纸。
PCT/CN2017/073896 2017-02-17 2017-02-17 一种可替换立体型滤纸的法压壶滤压器组装置 WO2018148925A1 (zh)

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Application Number Priority Date Filing Date Title
PCT/CN2017/073896 WO2018148925A1 (zh) 2017-02-17 2017-02-17 一种可替换立体型滤纸的法压壶滤压器组装置
CN201721682872.6U CN208551281U (zh) 2017-02-17 2017-12-06 一种可替换立体型滤纸的法压壶滤压器组装置
CN201711279073.9A CN107960864A (zh) 2017-02-17 2017-12-06 一种可替换立体型滤纸的法压壶滤压器组装置

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