JPH09313355A - Coffee kettle - Google Patents

Abstract

(57) [Summary] [Problem] When a spherical activated carbon filter is attached and detached in a conventional coffee brewer, an engaging portion with an upper protruding portion is hard to see and it is difficult to operate. The present invention solves the above-mentioned conventional problems, and an object thereof is to provide a coffee brewing machine which is easy to use. SOLUTION: A spherical activated carbon filter 21 is attached to a watering plate 20.
It is configured to be placed on top of. As a result, it is possible to obtain a convenient coffee brewing machine in which the spherical activated carbon filter 20 can be easily attached and detached.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a general household coffee machine.

[0002]

2. Description of the Related Art A conventional coffee machine will be described. In FIG. 5, which shows a conventional coffee brewer, the main body 1 is provided with a water tank 2, the bottom of the water tank 2 is connected to a water pipe 3 having a built-in check valve 15, and the water pipe 3 is of a sheath heater 4. It passes through the lower part and reaches the pouring port 6 provided in the upper projecting portion 5 of the main body 1. The sheathed heater 4 is cast into an aluminum heat conductive member 7, and a heat insulating plate 9 fixed to the main body 1 by a heat insulating plate mounting frame 8 is mounted on an upper part, and a water pipe 3 is mounted on a lower part. And heat insulation board 9
A glass container 10 is placed on the top of the container, a band 11 is wound around the outer surface of the container 10 to fix a handle 12, and a coffee basket having a hole 19 on the bottom is provided on the container 10. 13 and a coffee basket lid 14 having a sprinkler plate 20 in the center are placed.

Reference numeral 16 is a handle of the coffee basket 13, 17 is a handle of the coffee basket lid 14, and 18 is a handle.
Is a thermostat attached to the heat conducting member 7 for controlling the temperature of the sheath heater 4. Reference numeral 21 denotes a spherical activated carbon filter, which is detachably provided on the upper protruding portion 5.

The operation of the coffee brewer configured as described above will be described below. When a paper filter is set in a coffee basket 13 and coffee grounds are put therein, water is put in a water tank 2 and electricity is supplied to a sheath heater 4. The water in the water pipe 3 in this portion boils through the heat conducting member 7. By the action of the check valve 15, the steam pressure is increased and hot water can be dropped from the pouring port 6. Then, the hot water dropped from the pouring port 6 passes through the spherical activated carbon filter 21, is purified, and then falls into the coffee basket 13 through the sprinkler plate 20 in the center of the coffee basket lid 14 and is sprayed on the coffee powder on the paper filter. Coffee liquid can be extracted from the hole 19 into the container 10.

[0005]

The coffee brewer constructed as described above has the following problems. First, when the spherical activated carbon filter was attached or detached, the engaging portion with the upper protruding portion was difficult to see and the operation was difficult. Also,
Since a large amount of water is supplied from the water tank to the water pipe per unit time, a sheathed heater, which consumes a large amount of power, was necessary to warm it sufficiently.

The present invention solves the above-mentioned conventional problems, and an object thereof is to provide a coffee brewing machine which is easy to use.

[0007]

In order to solve this problem, the present invention has a sprinkler plate provided on a coffee basket lid, and a spherical activated carbon filter for removing the chyle component in the hot water. The spherical activated carbon filter is a coffee brewer characterized by being placed on the water spray plate independently of the main body.

As a result, it is possible to obtain a convenient coffee brewing machine in which the spherical activated carbon filter can be easily attached and detached.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention comprises a main body having a water tank and a heating means for heating water, a coffee basket for extracting coffee,
A coffee basket lid having a water sprinkling plate placed on the upper portion of the coffee basket, a water sprinkling plate provided on the coffee basket lid, and a spherical activated carbon filter for removing a scaly component in hot water, the spherical shape The activated carbon filter is a coffee brewer characterized by being placed on the sprinkler plate independently of the main body, and the engagement part with the sprinkler plate is visible, making it easy to attach and detach the spherical activated carbon filter. Has the effect of.

The invention according to claim 2 is the coffee brewer according to claim 1, which has a spherical activated carbon filter in which meshes of the same shape are provided on the upper and lower sides, and cost reduction can be achieved by sharing parts. Have an effect.

The invention according to claim 3 is the coffee brewing machine according to claim 1, which has a spherical activated carbon filter provided with a flange that engages with the coffee basket lid. This has the effect of further increasing cost reduction.

The invention according to claim 4 is the coffee brewing machine according to claim 3, which has a spherical activated carbon filter provided with a flange having the same diameter as a boss provided for holding the coffee basket lid. And the spherical activated carbon filter can be grabbed at the same time, and the operability is further improved.

The invention according to claim 5 is the coffee brewing machine according to claim 1, which has a water retaining capacity in the gap between the spherical activated carbon filter and the water spray plate, and has the function of uniformly pouring hot water onto the coffee powder. Have.

The invention according to claim 6 has a spherical activated carbon filter provided with a bypass for overflowing hot water.
The coffee brewer described has the function of preventing the outside of the basket from getting wet.

The invention according to claim 7 is the coffee brewing machine according to claim 1, which has a spherical activated carbon filter provided with a gap for loosening the force of the flow of overflowing hot water, and prevents the outside of the basket from getting wet. It has the function of preventing.

The invention according to claim 8 is the coffee brewing machine according to claim 1, which has a spherical activated carbon filter provided with a ring for preventing splashing of hot water on a mesh, and prevents the outside of the basket from getting wet. It has the function of preventing.

The invention as set forth in claim 9 is a coffee brewing machine having a flow rate suppressing pipe between the water tank outlet and the check valve, and has an effect that hot water having a higher temperature than before can be dropped.

The invention according to claim 10 is the coffee brewing machine according to claim 9 in which there is a step on the end face of the flow control pipe, and the step causes the flow control pipe to be present in water at the flow passage inlet end face. It has the effect of preventing air bubbles from adhering to the water flow.

[0019]

EXAMPLE FIG. 1 shows a coffee brewer according to the present invention. In FIG. 1, 21 is a spherical activated carbon filter, which is a water sprinkling plate 2.
It is placed on top of 0. Since the coffee basket lid 14 and the water sprinkling plate 20 that engage with the spherical activated carbon filter 21 are in a position that is easy to see, the spherical activated carbon filter 21 can be easily attached and detached. 22 is a spherical activated carbon case lid, 23 is a mesh, 24 is a spherical activated carbon case, and 25 is a spherical activated carbon. Since the two meshes 23 have the same shape, they are commonly used as parts and the cost can be reduced.

Reference numeral 26 is a flange of the spherical activated carbon case lid 22. Since the flange 26 is simply mounted on the upper surface of the coffee basket lid 14, the spherical activated carbon filter 21 can be used in common by a plurality of models.
27 is a boss of the coffee basket lid 14. Boss 2
Since the diameter of 7 and the diameter of the flange 26 are configured to be the same, they can be grasped and operated at the same time. 28 is the lower end face of the spherical activated carbon case. The gap a between the lower end surface 28 and the water spray plate 20 is set to 2 mm to 3 mm. Note that FIG. 2 is a cross-sectional view of a main part showing details around the spherical activated carbon filter.

The operation will be described below. When hot water is dropped from the pouring port 6 onto the spherical activated carbon filter 21, the hot water is temporarily retained in the gap between the lower end surface 28 and the water spray plate 20 due to surface tension. Next, when the hot water is dripped from the pouring port 6, the hot water that has been retained is uniformly applied with a pressure of 360 degrees, and the hot water jumps out and is evenly applied onto the coffee powder, so that a coffee liquid having an appropriate concentration can be extracted. .

FIG. 3 shows a perspective view of the spherical activated carbon filter in the coffee brewer of the present invention. In FIG. 3, 29 is a bypass hole of the spherical activated carbon case lid 22, and 30 is a bypass rib. When the spherical activated carbon filter is clogged for some reason, the hot water flows laterally and flows down from the bypass hole 29, and the spherical activated carbon case 24 and the coffee basket lid 14 held by the bypass rib 30.
It is possible to prevent the outside of the coffee basket 13 from getting wet by flowing down into the coffee basket 13 through the gap between and.

Reference numeral 31 is a clearance provided in the spherical activated carbon case lid 22. When the spherical activated carbon filter is clogged for some reason, the hot water flows laterally and flows down from the bypass hole 29, but if the momentum of lateral flow is strong, it may pass through the bypass hole 29. Therefore, by providing a gap of 0.5 mm to 1 mm, the force of the flow of the hot water can be slowed down, and the hot water can be surely poured into the bypass hole 29.

Reference numeral 32 is a ring provided on the spherical activated carbon case lid 22. When the spherical activated carbon filter is clogged for some reason, the hot water flows laterally and flows down from the bypass hole 29. However, if the hot water is accumulated below the pouring port 6 to some extent, the hot water discharged from the pouring port 6 will not fly. It may pass through the bypass hole 29. Therefore, by providing the ring 32 at a height of 1.5 mm to 2.0 mm in the upward direction of the mesh 23, the hot water that is about to splash at an angle is pressed down and the hot water is surely passed through the bypass hole 2.
Can be dropped to 9.

FIG. 4 shows a cross-sectional view of the water tank, the flow control pipe and the check valve in the coffee brewer of the present invention.
In FIG. 4, reference numeral 33 is a flow rate suppressing pipe. Water tank 2
The flow rate of the water flowing from the flow rate control pipe 33 is reduced by the flow rate control pipe 33 to reduce the flow rate per unit time. Therefore, since the sheath heater 4 is sufficiently warmed, hot water having a higher temperature than before can be dropped.

Reference numeral 34 is a stepped portion provided on the end face of the flow rate suppressing pipe. By providing the step portion 34, it is possible to prevent air bubbles existing in the water from adhering to the flow path inlet end surface of the flow rate suppressing pipe to prevent water flow obstruction.

[0027]

According to the first aspect of the present invention, since the engaging portion is visible, the spherical activated carbon filter can be easily attached and detached.

According to the second aspect of the present invention, it is possible to reduce the cost by sharing the parts.

According to the third aspect of the invention, it is possible to obtain the effect that the commonality of the spherical activated carbon filter can be enhanced and the cost can be reduced.

According to the invention of claim 4, the coffee basket lid and the spherical activated carbon filter can be grasped at the same time, so that the operability is further improved.

According to the fifth aspect of the invention, the effect that the hot water can be evenly poured on the coffee powder is obtained.

According to the inventions of claims 6 to 8, the effect of preventing the outside of the coffee basket from getting wet can be obtained.

According to the invention of claim 9, it is possible to obtain the effect that hot water having a higher temperature than before can be dripped.

According to the tenth aspect of the present invention, it is possible to prevent air bubbles existing in the water from adhering to the end face of the flow path inlet of the flow rate suppressing pipe to cause a water flow obstacle.

[Brief description of drawings]

FIG. 1 is a sectional view of a coffee brewer of the present invention.

FIG. 2 is a sectional view of a main part of the coffee brewing machine of the present invention.

FIG. 3 is a perspective view of a spherical activated carbon filter in the coffee brewer.

FIG. 4 is a sectional view of a water tank, a flow rate suppressing pipe, and a check valve in the coffee brewer.

FIG. 5 is a cross-sectional view of a conventional coffee machine.

[Explanation of symbols]

 14 Coffee Basket Lid 15 Check Valve 20 Sprinkler Plate 21 Spherical Activated Carbon Filter 26 Flange 31 Gap 32 Ring 33 Flow Suppression Pipe 34 Step

Claims (10)

[Claims] 1. A body containing a water tank and heating means for heating water, a coffee basket for brewing coffee, a coffee basket lid mounted on the top of the coffee basket and having a sprinkler plate, A sprinkler plate provided on the lid of the coffee basket and a spherical activated carbon filter for removing the scaly component in the hot water, and the spherical activated carbon filter was placed on the sprinkler plate independently of the main body. Coffee brewer characterized by. 2. The coffee brewing machine according to claim 1, which has spherical activated carbon filters in which meshes of the same shape are provided above and below. 3. A coffee brewer according to claim 1 having a spherical activated carbon filter provided with a flange that engages with the coffee basket lid. 4. A coffee brewing machine according to claim 3, further comprising a spherical activated carbon filter provided with a flange having the same diameter as a boss provided for gripping the coffee basket lid. 5. The coffee brewer according to claim 1, which has a water retaining capacity in a gap between the spherical activated carbon filter and the water spray plate. 6. The coffee brewer according to claim 1, further comprising a spherical activated carbon filter provided with a bypass for overflowing hot water. 7. A spherical activated carbon filter provided with a gap for loosening the force of the overflowing hot water flow.
The described coffee maker. 8. The coffee brewing machine according to claim 1, further comprising a spherical activated carbon filter provided with a ring for preventing splashing of hot water on a mesh. 9. A coffee brewer having a flow suppressing pipe between the water tank outlet and the check valve. 10. The coffee brewer according to claim 9, wherein the end face of the flow rate suppressing pipe has a step.