JP3321903B2 - Humidifier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a humidifier for humidifying a room by steam generated by boiling water.

[0002]

2. Description of the Related Art FIG. 2 is a sectional view showing a conventional humidifier. In the drawing, 1 is a main body frame integrally formed of plastic, 2 is a water tank for supplying water to an evaporating dish 4 via a rubber hose 3, 5 is a heating element for heating the evaporating dish 4, 6
Is a steam guide tube whose lower part is supported by the evaporating dish 4, and has a cooling air inlet 6a at the upper side and a steam outlet 6b at the upper side. A hood 7a is provided so as to cover the side surface and the upper surface of the steam guide tube 6, and mixes the cooling air with the steam from the steam guide tube 6, lowers the temperature of the steam, and guides the steam to the steam outlet 9. Is a steam outlet provided above the hood 7;
Are fixing screws for fixing the hood 7 to the body frame 1;
Is a blower, 11 is provided to protrude into the hood 7,
A cooling air guide tube for sending the cooling air from the blower 10 through the hood 7 to the steam guide tube 6 from the blowing port 11a, and is integrally formed with the main body frame 1. Reference numeral 12 denotes a lid provided with the steam outlet 9, which simultaneously covers the hood 7 and the upper surface of the water tank 2.

Next, the operation will be described. Water is supplied from the water tank 2 into the evaporating dish 4 via the rubber hose 3.
The evaporating dish 4 heated by the heating element 5 evaporates water by boiling. The steam generated in the evaporating dish 4 passes through the steam guide tube 6 and the hood 7 and is appropriately mixed with the cooling air from the blower 10 sent from the cooling air guide tube 11 to the outside from the steam outlet 9 of the lid 12. Released. At this time, since the temperature of the evaporating dish 4 and the steam guide cylinder 6 is high, the side and top surfaces are covered and protected by the hood 7. The hood 7 has a lower flange 7 b fixed to the bottom of the body frame 1 by fixing screws 8.

[0004]

In the conventional humidifier as described above, the flange 7b provided at the lower portion of the hood 7 is fixed to the bottom of the main body frame 1 by fixing screws 8.
When attaching and detaching the hood 7 such as when cleaning the evaporating dish 4, the hand must be inserted deep into the body frame 1, and there is a problem that the work of removing the fixing screw 8 is difficult. Further, as shown in FIG. 2, a part of the steam leaks from the gap formed between the steam outlet 9 provided in the lid 12 and the steam outlet 7a of the hood 7 into the inside of the main body frame 1 to cause dew condensation. There was a problem of doing.

[0005] The present invention has been made to solve the above-mentioned problems, and the hood can be easily attached and detached.
It is an object of the present invention to prevent steam from leaking from a gap formed between a lid and a hood into the main body frame.

[0006]

The humidifier according to the present invention comprises:
A steam guide tube for guiding the steam generated by the evaporator plate upward flop
Molded integrally with the main unit frame composed of plastic,
Cooling air guide tube for sending cooling air from the machine, and this cooling air
A steam pipe is provided so as to cover the guide pipe and the steam pipe.
Mixing the cooling air from the cooling air guide cylinder with the steam from the inner cylinder
Smell with hood to guide to steam outlet
Then, fix the hood to the body frame of the cooling air guide cylinder.
It is intended to be performed at the top . Further, a closed space is formed by the annular rib provided on the upper surface of the hood and the annular rib provided on the inner surface of the lid on the outer periphery of the steam outlet at the upper portion of the hood, and a part of the cooling air is supplied into the closed space. The present invention prevents steam from leaking into the main body frame from a gap formed between the lid and the hood.

[0007]

In the humidifier constructed as described above, when the hood is to be detached and attached when cleaning the evaporating dish and the like, it is not necessary to put the hand deep into the main body frame, and the hood can be detached and attached very easily. In addition, by increasing the internal pressure of the closed space, it is possible to prevent steam from leaking into the main body frame from the gap formed between the lid and the hood.

[0008]

[Embodiment 1] FIG. 1 is a sectional view showing one embodiment of the present invention. 1 is a main body frame integrally formed of plastic, 2 is a rubber hose 3
A water tank for supplying water to the evaporating dish 4 through the heater 5, a heating element for heating the evaporating dish 4, a steam guide cylinder 6 having a lower part mounted and supported on the evaporating dish 4, Steam outlet 6
An annular rib 6c is provided so as to surround b and its periphery. Reference numeral 7 denotes a hood provided so as to cover the side surface and the upper surface of the steam guide cylinder 6, a steam outlet 7a at an upper portion, annular ribs 7c and 7d projecting upward so as to surround an outer periphery of the steam outlet 7a, A rib 7e protruding between the steam outlet 6b and the rib 6b of the cylinder 6, a ventilation hole 7f located between the annular ribs 7c and 7d, and a fixing hook mounting portion 7g described later are provided. 9 is a steam outlet, 10 is a blower, 11 is provided to protrude into the hood 7, and cools the blown air from the blower 10 through an air outlet 11 a to the hood 7.
This is a cooling air guide tube for feeding into the inside, and is formed integrally with the main body frame 1. 12 is the hood 7 and the water tank 2
Are covered at the same time, and annular ribs 12a and 12b are provided on the inner surface so as to surround the outer periphery of the steam outlet 9. Reference numeral 13 denotes a mounting hole provided at the top of the cooling air guide tube 11, and reference numeral 14 denotes a mounting hole provided on the mounting portion 7g of the hood 7, and
A fixing hook 4a engages and fixes the hood 7 at a predetermined position. Reference numeral 15 denotes an annular rib 7 formed on the upper surface of the hood 7.
c, 7d and annular ribs 12a, 12 formed on the inner surface of the lid 12.
and b is a closed space formed on the outer periphery of the steam outlet 7a.

Next, the operation of the above embodiment will be described.
When heated by the heating element 5, the water in the evaporating dish 4 boils and evaporates. This steam passes through the steam guide tube 6 and is sent into the vicinity of the steam outlet 7 a of the hood 7. On the other hand, cooling air is blown into the hood 7 from the blowing port 11 a of the cooling guide tube 11 by the blower 10, and a steam outlet 7 a
It is mixed with steam in the foreground. The steam, which has been mixed with the cooling air and lowered in temperature, is discharged to the outside from the steam outlet 9 provided in the lid 12 through the steam outlet 7a at the top of the hood 7. At this time, even if the steam leaks from the gap formed between the steam outlet 9 provided in the lid 12 and the steam outlet 7a in the upper portion of the hood 7 to the inside of the main body frame 1, the structure shown in the present embodiment is used. According to the above, the annular rib 7 provided on the hood 7
c, 7d and annular ribs 12a, 12 formed on the inner surface of the lid 12.
b, a part of the cooling air is supplied into the closed space 15 through the vent 7f, and the internal pressure of the closed space 15 is increased.
It is possible to prevent the steam from leaking into the main body frame 1. Further, the hood 7 is fixed by engaging the distal end portion 14a of the fixing hook 14 with the mounting hole 13 provided at the top of the cooling air guide cylinder 11 integrally formed with the main body frame 1. In this case, it is only necessary to pick up the upper fixed hook 14 in the main body frame 1 by hand and change the positional relationship between the distal end portion 14a of the fixed hook 14 and the mounting hole 13 as in the conventional case. There is no need to reach into the interior of the hood 7, and the hood 7 can be attached and detached very easily.

[0010] The present invention is not limited to the configuration of the above embodiment, and it is needless to say that the design can be appropriately changed without departing from the scope of the invention.

[0011]

As described above, according to the present invention, since the hood is fixed to the top of the cooling air guide tube, the hood can be attached and detached during cleaning or the like without putting the hand deep into the body frame. Therefore, the work can be performed very easily. Also,
A closed space was formed around the outer periphery of the steam outlet at the top of the hood, and a part of the cooling air from the blower was sent into this closed space. Leakage into the frame can be prevented.

[Brief description of the drawings]

FIG. 1 is a sectional view of a humidifier showing one embodiment of the present invention.

FIG. 2 is a sectional view showing a conventional humidifier.

[Explanation of symbols]

Reference Signs List 1 body frame, 4 evaporating dish, 6 steam guide tube, 6a steam outlet, 7 hood, 7a steam outlet, 7c, 7d annular rib on top of hood, 7f ventilation port, 7g mounting portion, 9
Steam outlet, 10 blower, 11 cooling air guide tube, 1
1a ventilation port, 11b mounting hole, 12 lid, 12a, 1
2b annular rib on inner surface of lid, 14 fixing hook, 15
Closed space.

Continuation of the front page (56) References JP-A-5-26483 (JP, A) JP-A-56-5940 (JP, U) JP-A-5-83638 (JP, U) (58) Fields investigated (Int) .Cl. ⁷ , DB name) F24F 6/00 F24F 6/02

Claims (2)

(57) [Claims] 1. A steam guide tube for guiding steam generated by an evaporating dish upward, and a main body frame made of plastic and integrated with the main body frame.
Cooling air guide tube that is molded and sends cooling air from the blower
The cooling air guide tube and the steam guide tube
The steam from the steam guide tube is cooled by the cooling air guide tube.
A hood for mixing the wind and guiding it to the steam outlet
The hood to the main unit frame.
A humidifier characterized in that the cooling is performed at the top of the cooling air guide tube . 2. An outer periphery of a steam outlet at an upper portion of the hood ,
An annular rib provided on the inner surface of the lid and an annular rib provided on the lid
To form a closed space, and supply a part of the cooling air in this closed space.
By supplying water, steam can be generated from the gap between the lid and the hood.
To prevent leaks into the machine frame.
The humidifier according to claim 1, characterized in that: