KR20060096712A - Drum type washing machine having steam production device - Google Patents

Abstract

The present invention relates to a drum washing machine having a steam generator for spraying steam into a rotating tank to improve sterilization and washing performance.

And a spray nozzle provided at an end of the steam generator for generating steam, and an inflow nozzle provided at a drying duct for guiding hot air into a water tank to introduce steam injected from the spray nozzle, wherein the spray nozzle and the inflow nozzle Since at least one of them is installed to be inclined toward the other nozzle, it is possible to prevent the connection hose connecting the steam generator and the drying duct from being damaged by friction or vibration.

Description

Drum Washing Machine with Steam Generator {DRUM TYPE WASHING MACHINE HAVING STEAM PRODUCTION DEVICE}

1 is a perspective view showing the overall appearance of a drum washing machine having a steam generator according to the present invention.

Figure 2 is a perspective view showing a state in which the inlet nozzle according to the first embodiment of the present invention is mounted on a drying duct.

3 is a perspective view showing the steam generator of the present invention mounted on a steam bracket.

Figure 4 is a perspective view showing a state in which the inlet nozzle according to the second embodiment of the present invention is mounted on a drying duct.

Explanation of symbols on the main parts of the drawings

10: housing 25: drying duct

25b: nozzle mounting portion 27: nozzle assembly

29: inlet nozzle 40: steam generator

41: injection nozzle 42: connection hose

50: steam bracket 60: steam assembly

The present invention relates to a drum washing machine, and more particularly, to a drum washing machine having a steam generator that can improve the sterilization and washing performance by spraying hot steam into the rotating tank.

In general, the drum washing machine is installed in a horizontal tank and the inside of the tank to wash by using the friction of the rotating tank and the water rotated by the driving force of the motor in the state in which detergent, washing water and laundry are put in a lot of users recently. have.

The drum washing machine is equipped with a hot air generating device for generating hot air to dry the laundry quickly after the washing process, and adds a drying function to dry the laundry quickly by blowing hot air through the drying duct. In particular, in recent years, a drum washing machine equipped with a steam generator to spray hot steam into the rotary bath to improve sterilization and washing performance has come out. Korean Laid-Open Patent Publication No. 10-2004-0085509 discloses a drum washing machine having such a steam generator.

In order to inject steam generated from the steam generator into the rotating tank, a drying duct communicating with the rotating tank may be used. In this case, an inlet nozzle is installed in the front of the drying duct, and the inlet nozzle is connected to the steam generator through a connection hose. Thus, the steam generated in the steam generator was introduced into the rotary tank.

However, the water tank vibrates during the washing or dewatering stroke, and the inflow nozzle provided in the drying duct mounted on the water tank also vibrates. At this time, the connection hose connecting the steam generator and the drying duct protrudes toward the front of the washing machine with a sharp curve. And it is installed, there was a case that was broken by colliding with the front of the washing machine, and had a problem that is easily damaged even by the impact of the vibration of the repeated tank.

The present invention is to solve the above problems, an object of the present invention is to provide a steam generating device for preventing the connection hose connecting the steam generating device and the drying duct during the operation of the drum washing machine is damaged by friction or vibration. One drum washing machine is provided.

In order to achieve the above object, a drum washing machine having a steam generator according to the present invention is provided at an end of a steam generator for generating steam and is provided in a spray nozzle for injecting steam and a drying duct for guiding hot air into a water tank. And an inflow nozzle for introducing steam injected from the injection nozzle, and at least one of the injection nozzle and the inlet nozzle is inclined toward the other nozzle.

In addition, the steam generator is installed obliquely on the steam bracket for fixing the steam generator so that the injection nozzle of the steam generator is directed toward the inlet nozzle.

In addition, the injection nozzle is characterized in that it is formed at an acute angle with the end surface of the steam generating device is inclined toward the inflow nozzle.

In addition, the inlet nozzle is acutely formed in front of the drying duct, characterized in that it is mounted inclined toward the injection nozzle.

In addition, the inlet nozzle is characterized in that mounted on the side of the drying duct in the injection nozzle direction.

Hereinafter, a drum washing machine according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, the drum washing machine according to the present invention includes a cylindrical water tank 11 in which washing water is filled in the housing 10 forming an external appearance, and a cylindrical water inside the water tank 11. The rotating tub 12 is installed to be rotatable.

At this time, the water tank 11 and the rotating tank 12 is opened to the front side so that the user can put and take out the laundry from the front, the housing 10, the opening of the water tank 11 and the rotating tank 12 The door 13 is hinged to one side of the front side to open and close the door.

A drain pipe 15 and a drain pump 16 are installed at the lower side of the water tank 11 to allow the washing water to be drained to the outside, and the water tank 11 to absorb vibrations generated when the rotary water tank 12 is rotated. Suspension device 17 for supporting the is provided.

The rotating tub 12 is rotated by receiving a rotational force from the driving motor 18 installed in the inner lower portion of the housing 10, and a through hole 12a is provided on the outer circumferential surface to allow water to flow in and out. . In addition, a plurality of lifters 12b protruding inwardly are installed inside the rotary tub 12 to lift the laundry upwards as the rotary tub 12 rotates so that the laundry can be washed by falling. In the upper part of the (12) is provided with a hot air supply device 20 for supplying hot air so that the laundry is dried quickly after the washing administration. The hot air supply device 20 is connected to the motor 21 by a motor 21 and a belt 22 for generating power to guide the air supplied by the rotating force of the fan 23 and the fan 23 that rotate. It consists of a drying duct (25). Inside the drying duct 25, a heater (not shown) for heating air supplied by the rotational force of the fan 23 is provided. The drying duct 25 communicates with the upper portion of the front surface of the water tank 11, and supplies the hot air heated by the heater to the water tank 11, and the laundry inside the rotary tank 12 is dried by hot air while rotating. . The drying duct 25 is divided into a heater mounting part 25a having a heater mounted therein and a nozzle mounting part 25b having a connection nozzle to be described later, which communicates with the front surface of the water tank along the upper outer surface of the water tank 11.

The top plate 28 is supported on the upper portion of the housing 10 to cover the upper portion of the housing 10 and fixed by a screw or the like. The top plate 28 is provided in the front and back of the housing 10, respectively. At the center of the front top plate 28a and the rear top plate 28b, a spring bracket 30 is provided to connect the center portions of the respective top plates 28a and 28b. A silver nano device (not shown) for generating silver nano particles is fixed to the spring bracket 30, and a suspension spring 37 for fixing vibration of the water tank when the rotating tank 12 is rotated is fixed to the spring bracket 30.

On the other hand, the upper portion of the housing 10 is equipped with a steam generator 40 for injecting steam to improve the sterilization and washing performance. Steam generator 40 is preferably a direct steam generator 40 to control the water inlet valve (not shown), so that the water is introduced into the heater little by little to convert the water directly into steam with a large amount of heat. One end of the steam generator 40 is provided with a spray nozzle 41 for injecting steam made by the state change of the introduced water.

The nozzle assembly 27 provided with an inlet nozzle 29 for introducing steam made by the steam generator 40 is provided in the nozzle mounting portion 25b on the front of the drying duct 25 so as to correspond to the injection nozzle 41. Are combined. The injection nozzle 41 and the inlet nozzle 29 are connected by a connection hose 42, and the portion where the nozzles 29, 41 and the connection hose 42 are coupled is fastened with a clip or the like to connect the hose 42. Is prevented from falling out of the nozzles 29 and 41. The connection hose 42 is preferably made of a member having elasticity, such as a rubber member so as to have fluidity even in the vibration of the water tank and to elastically respond.

Figure 2 is a perspective view showing a state in which the inlet nozzle according to the first embodiment of the present invention is mounted on a drying duct.

As shown in FIG. 2, the nozzle assembly 27 includes a plate 28 and a plate 28 provided with screw fastening holes 26 to engage the nozzle mounting portion 25b provided on the front surface of the drying duct 25. It consists of an inlet nozzle 29 to which the connection hose 42 protruding from 28 is coupled. An inlet 29a is provided at the end face of the inlet nozzle 29 to suck steam generated by the steam generator into the drying duct.

The inlet nozzle 29 is formed to form an acute angle W1 with the surface of the plate 28 so that the inlet 29a faces the injection nozzle 41. When the nozzle assembly 27 is assembled to the drying duct 25, the inflow nozzle 29 is also mounted at an acute angle with the nozzle mounting portion 25b provided on the front surface of the drying duct 25. When the connection hose 42 is coupled to the inlet nozzle 29 formed as described above, the connection hose 42 connecting the injection nozzle 41 and the inlet nozzle 29 forms a gentle curve, so that the tank 11 There is little possibility of hitting the front of the drum washing machine during the vibration of), it is possible to prevent the connection hose 42 is twisted by the vibration.

As shown in FIG. 3, the steam generator 40 mounted on the drum washing machine to generate steam is fixed to one side of the steam bracket 50, and the other side of the steam bracket 50 includes a suspension spring 37. It is fixed to the spring bracket 30 for fixing.

The steam generator 40 is combined with the steam bracket 50 and the screw 45 to form a steam assembly 60 as one assembly. It is not preferable to separate the steam assembly 60 to which the steam generator 40 and the steam bracket 50 are combined once again. The reason for this is that the steam generator 40 is usually manufactured by aluminum die casting. When the screw 45 is loosened and twisted, the screw fastening holes provided in the steam generator 40 are agglomerated, and the steam bracket 50 and This is because the bonding strength of is significantly reduced. Thus, the steam assembly 60 is preferably treated as one part.

When the steam generator 40 is coupled to the steam bracket 50 to form the steam assembly 60, the steam generator 40 is not coupled in parallel with the axis formed by the spring bracket 30. It is preferable that the steam generator 40 is installed obliquely on the steam bracket 50 so that the nozzle 41 faces the inflow nozzle 29 mounted on the drying duct 25.

In addition, the injection nozzle 41 is provided at the end of the steam generator 40, the steam is injected to the end surface 43 and the acute angle (W2) of the steam generator 40 to face the inlet nozzle (29). It is preferable to form inclined.

As described above, the injection nozzle 41 of the steam generator 40 is installed obliquely to the steam bracket 50 in the direction of the inlet nozzle 29 mounted on the drying duct 25, and the injection nozzle 41 is also the inlet nozzle. By forming the inclined to form an acute angle (W2) with the end surface 43 of the steam generator 40 in the (29) direction, the connection hose 42 coupled to the injection nozzle 41 is without a sharp bent portion Draw a gentle curve, it can be combined with the inlet nozzle 29 provided in the drying duct (25).

Figure 4 is a perspective view showing that the inlet nozzle according to the second embodiment of the present invention is coupled to the drying duct. Hereinafter, the same parts as those described in the first embodiment are omitted.

As shown in FIG. 4, the nozzle assembly 27 provided with the inlet nozzle 29 may be coupled to the side surface 25c of the drying duct 25 facing the injection nozzle.

As described above, the nozzle assembly 27 is configured to be coupled to the side surface 25c of the drying duct 25, so that the inlet nozzle 29 moves the drying duct 25 in the direction of the injection nozzle 41 as in the first embodiment. The same effects as those described in the first embodiment can be achieved without forming the inclined portion with the nozzle mounting portion 25b on the front surface.

Drum washing machine having a steam generator according to the present invention configured as described above is connected to the injection nozzle and the inlet nozzle so that the connection hose connecting the injection nozzle and the inlet nozzle, respectively, to form a gentle curve, the connection hose is the front of the washing machine It can be prevented from colliding with, there is an advantage that can withstand the shock caused by vibration of the tank during washing or dehydration stroke.

Claims (5)

And a spray nozzle provided at an end of the steam generating device for generating steam and an inflow nozzle provided at a drying duct for guiding hot air into a water tank to introduce steam injected from the spray nozzle. Drum washing machine having a steam generator, characterized in that one or more of which is installed inclined toward the other nozzle. The method of claim 1, And a steam generator installed at an angle to a steam bracket for fixing the steam generator so that the injection nozzle of the steam generator faces the inlet nozzle. The method of claim 2, The drum washing machine having a steam generator, characterized in that the injection nozzle is formed at an acute angle with the end surface of the steam generating device and inclined toward the inflow nozzle. The method of claim 2, The inflow nozzle is provided with an acute angle with the front surface of the drying duct drum washing machine having a steam generator, characterized in that mounted inclined in the direction of the injection nozzle. The method of claim 2, The inlet nozzle is a drum washing machine having a steam generator, characterized in that mounted on the side of the drying duct in the injection nozzle direction.

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