JP4037388B2 - Beverage extractor - Google Patents

Description

  The present invention relates to a beverage extraction device including a water tank that is replenished with raw water for beverage extraction, such as a drip coffee maker, and a storage case portion that is detachably stored and provided on the main body side. More specifically, the present invention relates to a characteristic of overflow structure.

  Generally, the beverage extraction apparatus as described above heats raw water supplied from the water tank with an electric heater, and is provided with a charging unit such as an operation switch or a socket on the outer surface of the apparatus. In the beverage extraction apparatus having such a charging unit, for safety, when the raw water in the water tank overflows, the raw water overflowing in the storage case unit does not wet the charging unit. An overflow structure is provided.

  For example, conventionally, when the water tank is stored in the storage case portion, raw water overflowing from the water tank into the storage case portion is removed from a notch provided in a side wall of the storage case portion. Some have a structure that overflows outside.

  In designing the overflow structure, it is desirable to provide the notch at a position deviated from the upper side of the charging unit so as to overflow only from the notch.

  However, in the overflow structure as described above, the amount of overflow per minute increases as the capacity of the water tank decreases. Therefore, if the beverage extraction device is made compact while satisfying the above requirement, the notch Need to be large. For this reason, the beverage extraction apparatus provided with the overflow structure as described above has a problem that, as it is made more compact, the cutout becomes more conspicuous in appearance and the appearance is remarkably impaired.

  Then, the subject of this invention is providing the drink extraction apparatus which can provide this notch small when providing the notch for overflow in the side wall of the storage case part provided in the main body side.

  As means for solving the above problems, the present invention comprises a water tank that is replenished with raw water for beverage extraction, and a storage case portion in which the water tank is detachably stored and provided on the main body side, Beverage that overflows raw water overflowing from the water tank into the housing case with the water tank stored in the housing case from the cutout provided on the side wall of the housing case. In the extraction device, the raw water overflowing in the storage case portion at a position lower than the upper end of the notch is allowed to flow into the gap between the water tank and the side wall of the storage case portion, and the raw water that has flowed down the gap is stored in the storage case It was set as the structure which provided the drain hole which drains outside.

  According to the above configuration, the raw water overflowing in the storage case portion is caused to flow into the gap between the water tank and the side wall of the storage case portion at a position lower than the upper end of the notch, and thus overflowed in the storage case portion. Before the raw water level exceeds the upper end of the cutout, a part of the raw water flows down the gap. And since the drain hole which drains the raw | natural water which flowed down to the exterior of a storage case part was provided, the raw | natural water which overflowed in the storage case part will come to overflow outside from the said notch and the said drain hole. Thereby, in the beverage extraction apparatus of this invention, it becomes possible to make the said notch small by the part according to the flow volume which overflows from the said drain hole.

  In this invention, it is preferable to provide the said clearance gap in the side surface of the said water tank. According to this configuration, in the gap, the raw water overflowing in the housing case part flows from the side wall of the water tank to the drain hole, and the flow rate of overflow from the drain hole can be increased.

  Moreover, in this invention, it is also preferable to provide the said drain hole in the bottom of the said storage case part. According to this configuration, since the water tank and the gap are efficiently used in the depth direction, more raw water flows into the gap, and the flow rate overflowing from the drain hole is increased. Can do.

  As described above, according to the present invention, when a notch for overflow is provided on the side wall of the housing case portion provided on the main body side, a beverage extraction device capable of providing a small notch for the notch is provided. it can.

  The best mode for carrying out the present invention will be described below with reference to the accompanying drawings.

  As shown in FIGS. 1 and 2, the beverage extraction apparatus 1 includes a tank unit 2 for storing raw water for beverage extraction, an electric heater 5 for heating a water supply channel 4 leading to a drip hot water outlet 3, and water supply This is a drip coffee maker for home use that includes a main body case 6 incorporating a path 4 and an electric heater 5.

  As shown in FIGS. 3 and 4, the tank unit 2 includes a water tank 7 that is replenished with raw water for beverage extraction, and a storage case unit 8 that is provided on the main body case 6 side.

  The water tank 7 is detachably stored in the bottomed cylindrical portion of the housing case portion 8 whose side wall (hereinafter referred to as the case side wall 9) has a substantially fan-shaped uniform cross section. An inlet member 11 of the water supply channel 4 is attached to the central portion of the case bottom 10 of the housing case portion 8. A valve 13 attached to the tank bottom 12 of the water tank 7 is inserted into the introduction port member 11. In this inserted state, the valve 13 is opened by a valve operating portion 11 a provided in the inlet member 11, and raw water in the water tank flows into the water supply path 4.

  A plurality of boss portions 14 are formed on the case bottom 10, and boss receiving holes 15 are formed on the upper surface of the fixed seat portion 6 a provided in the main body case 6 so as to correspond to the boss portions 14. . In a state where the housing case portion 8 is placed on the fixed seat portion 6 a, each boss portion 14 is inserted into the boss receiving hole 15 and is screwed to the main body case 6 through the boss receiving hole 15. The housing case part 8 is installed in the main body case 6 by screwing each boss part 14.

  As shown in FIGS. 1 and 3, the upper edge of the housing case portion 8 is composed of the upper edge of the case side wall 9 (hereinafter referred to as the case upper edge 16). In the circumferential direction of the beverage extraction device 1, a notch 19 with a drop is provided on the case upper edge 16 portion located between the operation switch 17 provided on the front surface of the device and the socket 18 provided on the back surface of the device. The other upper edge portion is formed horizontally. The notch 19 is provided so that the raw water overflowing from the water tank 7 into the housing case portion overflows to the outside of the housing case portion, and the operation switch 17 and the socket 18 are not wetted when the water overflows. A canopy 20 that covers the upper surface of the housing case 8 and the notch 19 is detachably attached to the case upper edge 16.

  On the other hand, the water tank 7 is formed in a bottomed cylindrical shape with an opening on the upper surface, and is housed in the housing case portion 8, as shown in FIG. 5, its side wall (hereinafter referred to as tank side wall 21) and the case. A gap 22 is provided between the side wall 9 and the entire side surface of the water tank 7. The upper edge of the water tank 7 is composed of the upper edge of the tank side wall 21 (hereinafter referred to as the tank upper edge 23), and is higher than the upper end 19 a of the notch 19 in a state where the water tank 7 is stored in the storage case portion 8. It is provided to be at a low position.

  In addition, an overflow portion 24 is formed at the tank upper edge 23 by notching part of the tank side wall 21 and providing a drop. The overflow portion 24 is provided so as to coincide with the notch 19 in a state where the water tank 7 is stored in the storage case portion 8. In addition, parts other than the overflow part 24 of the tank upper edge 23 are formed horizontally.

  As described above, the beverage extraction device 1 is provided such that the tank upper edge 23 is positioned lower than the case upper edge 16 in a state where the water tank 7 is stored in the storage case portion 8, and the cutout is provided. 19 is provided at a lower position than the upper end 19a. As a result, the beverage extraction device 1 is lower than the upper end 19a of the notch 19, and the raw water overflowing in the storage case portion flows down into the gap 22 between the tank side wall 21 and the case side wall 9. .

  The tank upper edge 23 does not need to be provided at a lower position than the case upper edge 16 and does not need to be provided horizontally. For example, in this embodiment, a knob 25 used when attaching / detaching the water tank 7 is provided on a part of the tank upper edge 23 so as to protrude above the case upper edge 16. The point is that a part of the raw water overflowing the inside of the housing case part 8 flows down the gap 22 before exceeding the upper end 19a of the notch 19, and the case upper edge 16 starts from other than the notch 19 What is necessary is just to provide so that it may not overflow.

  The housing case 8 is provided with a drain hole 26 on the inner surface of the case bottom 10 for draining raw water that has flowed down the gap 22 to the outside of the housing case. The drain hole 26 communicates with an overflow channel 27 formed in the fixed seat 6a. Thereby, the beverage extraction apparatus 1 overflows from the notch 19 through the overflow portion 24 of the water tank 7 and also overflows from the drain hole 26.

  In the beverage extraction device 1, since the overflow from the notch 19 via the overflow portion 24, particularly a large amount of raw water flows from the gap 22 a between the overflow portion 24 and the notch 19. Therefore, the drain hole 26 is provided directly below the notch 19. Thereby, since the raw | natural water which flowed down to the case bottom 10 from the clearance gap 22a flows into the drain hole 26 as it is, the beverage extraction apparatus 1 comes to be smoothly drained from the storage case part 8.

  Further, in order to stabilize the accommodation state of the water tank 7, a rib 28 that supports the vertical load of the water tank 7 is provided in an annular shape on the periphery of the lower surface of the tank bottom 12. Here, as shown in FIG. 4, in the circumferential direction of the tank bottom 12, a gap 29 is provided between the rib 28 on the side opposite to the side where the drain hole 26 is provided and the case bottom 10. As shown in FIG. 1 and FIG. 3, a short-circuit port 30 is provided in a cutout shape in the rib 28 portion on the side where the drain hole 26 is provided. Thereby, since the raw | natural water which flowed down to case bottom 10 from the clearance gap 22b on the opposite side to the side provided with the drain hole 26 flows into the drain hole 26 through the water tank 7, the drink extracting device 1 is stored in the storage case. The raw water is drained more smoothly from the section 8.

The longitudinal section front view of the drink extraction device concerning the best embodiment of this invention. The front view of the drink extracting device of FIG. The disassembled perspective view of the tank part of the drink extracting device of FIG. The cross-sectional enlarged view of the IV-IV line of FIG. The cross-sectional enlarged view of the VV line of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Beverage extraction apparatus 2 Tank part 3 Discharge port 4 Water supply path 5 Electric heater 6 Main body case 6a Fixed seat part 7 Water tank 8 Storage case part 9 Case side wall 10 Case bottom 11 Inlet port member 11a Valve operation part 12 Tank bottom 13 Valve 14 Boss part 15 Boss receiving hole 16 Case upper edge 17 Operation switch 18 Socket 19 Notch 19a Upper end 20 Canopy 21 Tank side wall 22, 22a, 22b Gap 23 Tank upper edge 24 Overflow part 25 Knob 26 Drain hole 27 Overflow channel 28 Rib 29 Gap 30 Short-circuit opening

Claims (2)

In a state where the water tank to which raw water for beverage extraction is replenished, the water tank is detachably stored, and includes a storage case portion provided on the main body side, the water tank is stored in the storage case portion. An upper edge that forms an upper surface opening of the water tank in the beverage extraction device that overflows raw water overflowing from the water tank into the storage case portion from a notch provided on a side wall of the storage case portion to the outside of the storage case portion At least a part of the water tank in a state where the water tank is stored in the storage case part, and is positioned lower than the upper end of the notch, and the raw water overflowing into the storage case part from the upper surface opening of the water tank A beverage brewing apparatus comprising a drainage hole for allowing the raw water flowing down through the gap between the water tank and the side wall of the storage case part to discharge the raw water flowing out of the gap to the outside of the storage case part. The drain hole is provided in the bottom of the housing case part, and an overflowing part is formed on the upper edge of the opening of the water tank by notching a part of the side wall of the tank to form a drop. 2. The beverage extraction device according to claim 1, wherein a tank is provided so as to coincide with the notch in a state of being stored in the storage case portion, and the drain hole is provided immediately below the notch .

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