JPH0747066Y2 - Liquid heating supply device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a liquid heating and supplying device equipped with a manual switch for opening and closing electrical connection to a heating device.

[Prior Art] Conventionally, as shown in FIG. 5, for example, a liquid heating and supplying device has been used for a drip-type coffee brewing machine in which a favorite beverage such as coffee or tea is dropped into hot water and extracted with the hot water. Has been.

The liquid heating / supplying device has a tank 1 for containing a liquid, and a heating device 3 for heating the liquid drawn out from the tank 1, that is, water. The tank 1 and the heating device 3 are held in a case 5. Further, the tank 1 and the heating device 3 are connected by a lead-out pipe (not shown). The liquid heated by the heating device 3 is discharged from one end of the outlet pipe led to the outside of the case.

A manual switch 7 is attached to the side surface 5a of the case 5. Further, the case 5 has an installation portion 9 facing the installation target surface on which the case 5 is installed. Manual switch 7
Has an operation unit 11 that is pressed in a direction of pressing in parallel with the installation unit 9.

Further, the case 5 has an opening 13 formed with an opening parallel to the installation target surface. The opening 13 is closed by one surface of the heating device 3. A bottle 15 for storing a favorite beverage is detachably placed on one surface of the heating device 3. On the upper part of the bottle 15, there is provided a filter 17 for storing taste materials such as coffee powder and tea leaves. This filter 17
A diffusion lid 19 for diffusing the hot water discharged from the outlet pipe and dropping it into the filter 15 is provided in the. A diffusion port 21 is formed in the central portion of the diffusion lid 19. One end of the outlet pipe is directed above the diffusion port 21.

Now, when the manual switch 7 is opened and closed while water is stored in the tank 1, the power supply of the heating device 3 can be opened and closed.
In this state, when the manual switch is turned on, the outlet pipe provided integrally with the heating device 3 is heated. Hot water is obtained by heating the water in this outlet pipe. The hot water drops from one end of the outlet pipe to the diffusion port 21 and enters the filter 19. In the filter 19, hot water passes through the favorite material to obtain a favorite beverage. The favorite beverage falls from the filter 17 into the bottle 15 and is stored.

[Problems to be Solved by the Invention] However, since the operation unit 11 is pressed in a direction parallel to the installation unit 9, the installation unit 9 slides on the installation target surface and moves. Therefore, when the manual switch 7 is operated, it is necessary to open and close the manual switch 7 while holding a part of the case 5, which causes a problem that it is difficult to operate.

Further, since the manual switch 7 is attached to the side surface portion 5a, it is necessary to perform a screwing operation for attaching the manual switch 7 and a wiring operation for connecting to the manual switch 7 inside the case 5. However, there is a problem that complicated work must be performed in a small space.

Further, a hole for attaching the manual switch 7 is formed in the side surface portion 5a of the case 5, but when the case 5 is resin-molded with a mold, the mold cannot be molded with the biaxial direction die,
Molding becomes complicated because at least three types of molds are required.

In addition, since the liquid heating and supplying device heats water, when water adheres to the side surface portion 5a, the side surface portion 5a
When water reaches the manual switch 7, water leaks or corrosion of contacts is dangerous.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a liquid heating and supplying device which prevents the case from sliding by opening and closing a manual switch and facilitates mold forming and assembling work.

Another object of the present invention is to provide a liquid heating / supplying device which prevents water drops on the manual switch.

[Means for Solving the Problems] According to the present invention, a tank for holding a liquid, a case holding a heating device for heating the liquid drawn out from the tank, and a liquid heated by the heating device are provided. In a liquid heating and supply device including a lead-out pipe for leading out to the outside and a manual switch that opens and closes an electrical connection to the heating device, the case includes a side surface part to which the manual switch is attached, and the case. An installation section facing an installation target surface for installation, and the manual switch has an operation section that is pressed in a direction of pressing the installation section against the installation target surface. A liquid heating device is obtained.

Further, according to the present invention, it is possible to obtain a liquid heating and supplying device having a switch mounting surface having a recess formed on the side surface, and the switch mounting surface having the manual switch mounted thereon.

[Embodiment] FIGS. 1 to 4 show a liquid heating and supplying apparatus according to an embodiment of the present invention. In this embodiment, the same parts as those in FIG.

With reference to FIGS. 1 to 4, the case 5 has a side surface portion 5a to which the manual switch 7 is attached, and an installation portion 9 facing the installation target surface for installing the case 5. The manual switch 7 has an operation unit 11 that is pressed in a direction in which the installation unit 9 is pressed against the installation target surface.

The heating device 3 includes an electric heater 31 on a metal plate 3a having good heat conduction.
And the outlet pipe 33 are integrally provided. Both ends of the lead-out pipe 33 extend outward from the metal pipe 3a. One end of the outlet pipe is connected to the bottom of the tank 1 via a check valve (not shown). The other end of the outlet pipe 33 extends above the diffusion lid 19, and the tip 20 thereof is located above the diffusion port 21.

The tank 1 is formed by forming a bottom portion on one side of a tubular portion of the case 5 formed into a tubular shape. A lid 35 is removably provided on the opening on the other side of the tank 1, that is, on the upper portion.
Water can be supplied to the tank 1 by removing the lid 35.

The side surface portion 5a of the case 5 has a dent portion 39 formed by denting the side surface portion 5a inward, and a switch mounting surface 37 facing the installation portion 9 in the dent portion 39. The manual switch 7 is mounted on the switch mounting surface 37. The manual switch 7 has a hole formed in the switch mounting surface 37.
It is fitted in 41 and is fixed by tightening with case 5 and screws 43.

Further, the heating device 3 is held by the holding ring body 46, and a plurality of screws are attached to the case 5 via the heat retaining plate 45 and the waterproof packing 47 so as to close the opening 13 formed in the case 5.
Installed by 49.

Further, the installation section 9 is provided with a plurality of legs 51.
A bottom plate 53 is attached to the installation portion 9.

Now, with the water stored in the tank 1, the manual switch 7
The power supply of the heating device 3 can be opened and closed by opening and closing. When the manual switch 7 is turned on in this state,
The operation unit 11 of the manual switch 7 is pressed in a direction of pressing the installation unit 9 against the installation target surface. In this way the operation part
By operating 11, the case 5 can be operated without sliding on the surface to be attached.

Furthermore, the heating device 3 heats the outlet pipe 33 to obtain hot water. Since there is a check valve in the direction of the tank 1, the hot water does not return and falls from the tip of the outlet pipe 33 to the diffusion lid 19 and enters the filter 17. In the filter 17, hot water passes through while being permeated by the hot water, so that the hot water is obtained.

Further, the heating device 3 is controlled in temperature during heating by a thermostat 53 provided in a part thereof. Then, the favorite beverage that has passed through the filter 7 is stored in the bottle 15.

This case 5 has a hole 41 for inserting the manual switch 7, an opening 13 and the like formed in a uniaxial direction, so that
Molding is possible by preparing different types.

Further, when the manual switch 7 is fitted into the hole 41 and tightened by the screw 43, the manual switch 7 can be tightened by a tightening tool from the outside of the installation portion 9, that is, the outside of the case 5. This work can also be done in one axis.

[Effects of the Invention] As described above with reference to the embodiments, the manual switch of the present invention is mounted on the side surface of the case and presses the operating portion toward the installation target surface, so that the case slides on the installation target surface. There is no need to move.

Further, since the screw tightening for attaching the manual switch and the wiring can be performed from the outside of the case, the work is simplified and it is suitable for automatic assembly.

Further, since the switch mounting surface is formed with a hole for mounting the manual switch, the case can be molded by two types of molds, which simplifies the molding work and can reduce the cost.

Further, in this liquid heating and supplying device, since the manual switch is attached to the hollow portion, it is possible to prevent water from splashing on the manual switch.

[Brief description of drawings]

1 is a perspective view of a liquid heating and supplying apparatus according to an embodiment of the present invention, FIG. 2 is a side view of FIG. 1, FIG. 3 is a front view of FIG. 1, and FIG. 4 is a liquid of FIG. An exploded perspective view of the heating supply device,
FIG. 5 is a perspective view of a conventional liquid heating and supplying device. 1; tank, 3; heating device, 5; case, 7; manual switch, 9;
Installation portion, 11; operation portion, 17; filter, 33; outlet pipe, 37; switch mounting surface. 39; Dimple part.

Claims (2)

[Scope of utility model registration request] 1. A case holding a tank for containing a liquid and a heating device for heating the liquid drawn from the tank, and a drawing pipe for drawing the liquid heated by the heating device to the outside. In a liquid heating and supply device including a manual switch that opens and closes electrical connection to the heating device, the case faces a side surface part to which the manual switch is attached and an installation target surface for installing the case. A liquid heating supply device, comprising: an installation section, and the manual switch having an operation section that is operated to press the installation section with respect to the installation target surface. 2. A liquid heating and supplying device according to claim 1, further comprising a switch mounting surface having a recess formed on the side surface, and the switch mounting surface having the manual switch mounted thereon.