CN216293767U

CN216293767U - Coffee filter

Info

Publication number: CN216293767U
Application number: CN202120288964.6U
Authority: CN
Inventors: 周峻炜; 吉田三纪
Original assignee: Hario Shanghai Commerce And Trade Co ltd
Current assignee: Hario Shanghai Commerce And Trade Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2022-04-15
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a coffee filter, which relates to the technical field of coffee filtration and is used for being placed on a container for containing coffee and comprises a funnel-shaped filtering part; the filtering part is provided with a conical inner wall, and at least one longitudinally-arranged exhaust groove is formed in the conical inner wall; the two ends of the exhaust groove extend towards the top and the bottom of the filtering part respectively, so that the problem that when the coffee is brewed by hand, the braising process is complex, the manual accurate control is needed, and the taste of the coffee is not good is solved.

Description

Coffee filter

Technical Field

The utility model relates to the technical field of coffee filtration, in particular to a coffee filter.

Background

Coffee is a beverage made of roasted coffee beans, most of instant coffee appearing in the market is convenient to carry and use, but has single taste and insufficient aroma, and the requirements of people are difficult to meet. In recent years, with the improvement of living standard of people, coffee brewed by coffee particles ground by coffee beans is more and more popular among people who pursue new trends and give full play to living tastes because the original flavor of the coffee is maintained.

When coffee is brewed by hand, a small amount of water is added to steam the coffee particles tightly, the steam-stewing effect is mainly to release gas in the coffee particles, so that the coffee particles after gas discharge can absorb water uniformly and saturate, and subsequent extraction is more uniform.

The spiral arc-shaped convex ridge arranged on the inner wall of the existing HARIO V60 coffee filter can lead water flow to rotate to the center to extrude coffee particles when in brewing, thereby improving the extraction degree, but the air can not be effectively exhausted, so that the coffee filter still needs to stew the coffee particles before extraction.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coffee filter, which is used for solving the problems that the braising process is complex and the manual accurate control is needed when the hand-brewed coffee is brewed.

In order to achieve the above object, the present invention provides a coffee filter for use in a container for holding coffee, comprising a funnel-shaped filter portion;

the filtering part is provided with a conical inner wall, and at least one longitudinally-arranged exhaust groove is formed in the conical inner wall;

and two ends of the exhaust groove extend to the top and the bottom of the filter part respectively.

In the scheme, the filter paper can be completely attached to the inner wall of the filter due to the design of the conical inner wall without ribs, and the coffee powder is uniformly extruded by water flow and the filter paper in the brewing process; the arrangement of the exhaust grooves forms longitudinal exhaust channels, so that gas generated by coffee powder during brewing is discharged from the exhaust grooves, the filter paper is matched to be attached to the inner wall of the filter near the exhaust grooves, the channel effect during brewing can be effectively reduced on the premise that stewing is not needed, hot water can uniformly penetrate through the coffee powder, the extraction uniformity is improved, and the flavor and the taste of coffee are improved.

Further, the exhaust groove extends to a liquid outlet at the bottom of the filtering part.

Further, the exhaust grooves are arranged in a longitudinal straight line.

Furthermore, exhaust recess sets up to four, and around the liquid outlet interval of filter house evenly sets up.

Furthermore, a wave-shaped groove is further formed in the inner wall of the filtering portion, the wave crest of the wave-shaped groove extends to the liquid inlet in the top of the filtering portion, and the wave trough of the wave-shaped groove is communicated with the top end of each exhaust groove to form a groove penetrating through the top and the bottom of the filtering portion.

Further, the outer wall of the filtering part protrudes outwards at the corresponding position of the wave-shaped groove and extends downwards to the bottom of the filtering part to form a thickened part.

Further, the width of the exhaust groove and/or the wave-shaped groove is 0.5-3mm, and the depth of the exhaust groove and/or the wave-shaped groove is 0.5-3 mm.

Furthermore, the filtering part also comprises a bearing part, and the bearing part is detachably connected with the liquid outlet of the filtering part.

Furthermore, the bearing part is provided with a connecting part which is sleeved outside the liquid outlet of the filtering part and is clamped with the liquid outlet of the filtering part;

the bearing part is arranged to be longer than the opening of the container in at least one direction, so that the bearing part can be placed on the container and the liquid outlet of the filtering part corresponds to the opening of the container.

Further, the bearing part is provided with a gap extending out of at least one side of the connecting part, and the gap is set to be capable of observing the height of the liquid in the container through the gap when the bearing part is placed on the container.

Furthermore, the end part of the gap is provided with a round hole for being penetrated through the hanging piece to enable the filter to be hung.

Furthermore, the filtering part is made of glass, ceramics or resin.

The utility model provides a coffee filter, which has the beneficial effects that: according to the utility model, the filter paper can be completely attached to the inner wall of the filter through the design of the conical inner wall without ribs, and the water flow and the filter paper can uniformly extrude coffee powder in the brewing process; the arrangement of the exhaust grooves forms longitudinal exhaust channels, so that gas generated by coffee powder during brewing is discharged from the exhaust grooves, the filter paper is matched with the inner wall of the filter close to the exhaust grooves, the channel effect during brewing can be effectively reduced on the premise of not needing stewing, hot water can uniformly penetrate through the coffee powder, the extraction uniformity is improved, and the flavor and the taste of coffee are improved.

Drawings

FIG. 1 is a schematic structural view of a coffee filter according to a first embodiment of the present invention;

FIG. 2 is a schematic view of a coffee filter embodying an air vent groove according to a first embodiment of the present invention;

FIG. 3 is a side view of a coffee filter according to a first embodiment of the present invention;

fig. 4 is a schematic structural view of a coffee filter according to a first embodiment of the present invention placed on a container for holding coffee.

Reference numerals:

1. a filtering part; 11. a liquid outlet; 2. an exhaust groove; 3. a wave-shaped groove; 4. thickening part; 5. a bearing part; 51. a connecting portion; 52. a gap; 53. a circular hole; 6. a container.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example one

The present embodiment provides a coffee filter, referring to fig. 1 to 3, for use placed on a container 6 (such as the coffee cup of fig. 4) containing coffee, comprising a funnel-shaped filter portion 1; specifically, filter 1 has conical inner wall, this filter 1 internal diameter reduces by the top to the bottom internal diameter gradually, the top is the inlet, the bottom is liquid outlet 11, when this filter 1 is placed and is used on container 6, place filter paper in filter 1 and make filter paper and 1 inner wall of filter closely laminate, then place the coffee granule after grinding on filter paper, after the aforesaid step is accomplished, the user can pour the boiling water into from the inlet, extract the coffee granule, so that the coffee that obtains passes through in the liquid outlet gets into container 6, conical inner wall and the design of no bead can make filter paper hug closely in the filter inner wall completely, make rivers and filter paper more even to the extrusion of coffee granule in the process of making and boiling, and then reach a preferred extraction effect.

In order to solve the problems of complicated steaming process and need of manual accurate control, referring to fig. 2, at least one longitudinally-arranged exhaust groove 2 is arranged on the conical inner wall, the longitudinally-arranged exhaust groove 2 forms a longitudinal exhaust channel, in the above process, when a user contacts with coffee particles in the extraction process, gas is generated, mainly carbon dioxide, generally speaking, the closer to the roasting time, coffee beans with deeper roasting degree have less water content, the gas released in the process is much more than coffee beans with shallower roasting degree, the gas released by the coffee particles can be exhausted through the exhaust groove 2, the coffee particles after exhausting gas can be uniformly saturated with water, the subsequent extraction can be uniform, namely, a short-time gap layer appears on the coffee powder through the exhaust channel (the exhaust groove 2 with two ends respectively extending to the top and the bottom of the filter part 1), make during the water injection hot water see through the particular layer when abundant basis with the coffee granule, in order to realize follow-up abundant extraction, hug closely 1 inner wall of filter part near exhaust groove 2 through exhaust groove 2 cooperation filter paper, can be under the prerequisite that does not need vexed steaming, effectively reduce the channel effect when making a boil, let hot water evenly see through the coffee powder, improve the extraction degree of consistency, utilize exhaust groove 2 to solve the problem that vexed steaming process needs artifical accurate control, thereby further guarantee the flavor and the taste of coffee.

As a preferred embodiment, the air exhaust groove 2 extends to the liquid outlet 11 at the bottom of the filter part 1, so that the air exhaust channel extends from the top of the coffee powder in the filter part 1 to the liquid outlet 11, and the air exhaust effect is improved.

In a more preferred embodiment, the vent grooves 2 are all arranged in a longitudinal straight line, so that the straight line length of the vent channel is shortened compared with an arc shape or a spiral shape, gas is more favorably discharged, coffee obtained after extraction can flow out of the container 6 along the straight vent grooves 2 in the use process, on one hand, the water flow speed is more controllable, on the other hand, the flow speed of the coffee obtained after extraction can be accelerated by utilizing the liquid gravity, and the coffee brewing time is further shortened.

The coffee outflow time is adjusted by arbitrarily adjusting the number of the air exhaust grooves 2, so as to improve the individual requirements. In a preferred embodiment, the number of the exhaust grooves 2 is four, and the exhaust grooves are uniformly spaced around the liquid outlet 11 of the filter unit 1, and the exhaust grooves 2 are oppositely disposed along four directions, so that air circulation in each area can be ensured, and air generated by coffee particles can be rapidly exhausted, and the coffee machine is beautiful.

In a preferred embodiment, the width of the air discharging groove 2 is 0.5-3mm, and the depth thereof is 0.5-3mm, so as to give consideration to the air discharging effect and the coffee outflow effect, and can be set according to the actual use scene and the actual thickness of the filter 1.

In a preferred embodiment, waveform groove 3 has still been seted up on the filter house 1 inner wall, the crest of waveform groove 3 extends to the inlet at filter house 1 top, the trough of waveform groove 3 and each exhaust groove 2's top intercommunication, in order to form the recess that runs through filter house 1 top and bottom, the quantity of the trough of waveform groove 3 is not less than the quantity of exhaust groove 2, in this scheme waveform groove 3 trough and exhaust groove 2 correspond and set into multiunit (four groups), waveform groove 3 forms the recess that runs through filter house top and bottom with exhaust groove 2, further be favorable to discharging the gas that the coffee granule released, in order to replace the effect of evaporating, and then make the choking granule fully extract, ensure the taste of coffee. In order to maintain the aesthetic property, in the present embodiment, the example of each peak of the wave-shaped groove 3 is set to be consistent, and during the actual use, the example may also be set to be inconsistent or periodically changed.

As a further preferred, the outer wall of the filter part 1 protrudes outwards at the corresponding position of the wave-shaped groove 3 and extends downwards to the bottom of the filter part 1 to form a thickened part 4, and the thickened part 4 is beneficial to increasing the thickness and the strength from the wave-shaped groove 3 to the bottom of the filter part 1 so as to meet the requirement of a use scene, and is also convenient for a user to take the filter part 1 in the use process, so that the situation that the outer wall of the filter part 1 is thin and scalded due to overhigh water temperature is reduced, and besides, certain aesthetic property can be maintained. In a preferred embodiment, the wave-shaped grooves 3 have a width of 0.5-3mm and a depth of 0.5-2mm, so as to allow for the venting effect and the outflow effect of the coffee liquid, and may or may not be arranged in line with the venting grooves 2.

As a preferred embodiment, the filter part 1 further includes a bearing part 5, the bearing part 5 is used for placing the filter part 1 on the container 6 and not completely falling into the container 6, and also can be used for a user to grab or move the filter part 1 during use, and the bearing part 5 is detachably connected with the liquid outlet of the filter part 1. Specifically, in the present embodiment, the supporting portion 5 is provided with a connecting portion 51 which is sleeved outside the liquid outlet 11 of the filtering portion 1 and is engaged with the liquid outlet 11 of the filtering portion 1; make 1 liquid outlet 11 of filter house pass connecting portion 51 and press in the use, make 1 joint of filter house fix on load-bearing part 5, above-mentioned connecting portion 51 can adopt elastic material to make, make filter house 1 and load-bearing part 5 can dismantle the connection through the mode of joint, enlarge the application scene that this filter house 1 used, be less than 1 internal diameter of filter house when 6 mouths of container, can directly break away from the filter house 1 and directly place in 6 mouths of container and use, also convenient clearance simultaneously.

In a preferred embodiment, the carrier 5 is arranged to be at least one-dimensionally longer than the opening of the container 6 to be placed, so that the carrier 5 can rest on the container 6 with the liquid outlet 11 of the filter house 1 corresponding to the opening of the container 6, as described above, the carrier 5 is used to place the filter house 1 on the container 6 without completely falling into the container 6, and therefore the carrier 5 needs to be longer than the opening of the container 6 to be placed to limit the filter house 1 from falling into the container 6. Further preferably, the carrying part 5 is provided with a slit 52 extending out of at least one side of the connecting part, the slit 52 is configured to allow the height of the liquid in the container 6 to be observed through the slit 52 when the carrying part 5 is placed on the container 6, and the height of the liquid in the container 6 can be observed at any time during the use of the user, so that the active intervention on the overflow of the liquid in the container 6 can be facilitated, and the safety during the use can be improved.

In a preferred embodiment, the end of the slit 52 is provided with a circular hole 53, and the circular hole 53 is used for being passed through a hanging member to hang the filter house 1, for example, after the filter house 1 is used and cleaned, the filter house 1 can be hung on a hook on a wall through the circular hole to drain water drops on the filter house 1 and keep the filter house 1 clean.

In the above embodiment, the filter part 1 may be made of a material including, but not limited to, glass, ceramic, or resin (for example, PP resin), and may be made transparent, translucent, or opaque to meet the requirements of the use scene, which is not limited herein.

The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A coffee filter for placement in use on a container holding coffee, characterized by:

comprises a funnel-shaped filtering part;

two ends of the exhaust groove extend to the top and the bottom of the filtering part respectively;

the filter comprises a filter part, and is characterized in that the inner wall of the filter part is also provided with a waveform groove, the wave crest of the waveform groove extends to a liquid inlet at the top of the filter part, and the wave trough of the waveform groove is communicated with the top ends of the exhaust grooves to form a groove penetrating through the top and the bottom of the filter part.

2. A coffee filter according to claim 1, wherein:

the exhaust groove extends to a liquid outlet at the bottom of the filtering part.

3. A coffee filter according to claim 2, wherein:

the exhaust grooves are arranged in a longitudinal straight line.

4. A coffee filter according to claim 3, wherein:

the exhaust grooves are four in number and are uniformly arranged around the liquid outlets of the filtering part at intervals.

5. A coffee filter according to claim 1, wherein:

the outer wall of the filtering part protrudes outwards at the corresponding position of the wave-shaped groove and extends downwards to the bottom of the filtering part to form a thickened part.

6. A coffee filter according to claim 1, wherein:

the width of the exhaust groove and/or the waveform groove is 0.5-3mm, and the depth of the exhaust groove and/or the waveform groove is 0.5-3 mm.

7. A coffee filter according to claim 1, wherein:

the filtering part also comprises a bearing part, and the bearing part is detachably connected with the liquid outlet of the filtering part.

8. A coffee filter according to claim 7, wherein:

the bearing part is provided with a connecting part which is sleeved outside the liquid outlet of the filtering part and is clamped with the liquid outlet of the filtering part;

the bearing part is arranged to be longer than the opening of the container in at least one direction, so that the bearing part can be placed in the opening of the container corresponding to the liquid outlet of the filtering part after the bearing part is placed on the container.

9. A coffee filter according to claim 8, wherein:

the bearing part is provided with a gap extending out of at least one side of the connecting part, and the gap is set to be capable of observing the height of liquid in the container through the gap when the bearing part is placed on the container.

10. A coffee filter according to claim 9, wherein:

the end of the gap is provided with a round hole for being penetrated through the hanging piece to enable the filter to be hung.

11. A coffee filter according to claim 1, wherein:

the filtering part is made of glass, ceramics or resin.