KR101527021B1 - Dryer - Google Patents

Abstract

A dryer according to the present invention includes: a cabinet; A drying drum rotatably installed in the cabinet and receiving a dried material; A heater for supplying hot air to the inside of the drying drum; A door provided at a front portion of the cabinet; A lint filter provided inside the cabinet for filtering impurities in the air in the drying drum; And a door blocking portion that prevents the door from being closed when the lint filter is detached from the dryer.

Dryer, door, lint filter, door blocking portion, door blocking member,

Description

Dryer {Dryer}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dryer, and more particularly, to a dryer improved in structure such that a door is not closed when a lint filter is detached.

Generally, the dryer includes a cabinet having a predetermined shape, a drying drum installed in the cabinet and accommodating the dried material, a heater for supplying air heated and dried to the inside of the drying drum, and a heater for rotating the drying drum And a drive motor.

Such a dryer can be divided into a condensing type and an exhaust type. In the condensing type, the heat generated in the heater is sent to the drying drum side by a blowing fan to dry the dried material in the drying drum. At this time, the air in the drying drum, which is dried, is in a state of high temperature and high humidity, and is dried by removing the moisture by the condenser, and then flows into the drying drum again by the blowing fan.

The exhausting system has a structure in which hot air having passed through a drying drum by a heater and a blowing fan is discharged to the outside through an exhaust port formed at one side of the washing machine.

In such an exhaust-type dryer, a lint (fine lint) generated in the dried product during drying is discharged through the exhaust port to the outside of the dryer by hot air.

At this time, the dryer is a structure capable of collecting lint in hot air regularly so as to prevent the lint from accumulating in the exhaust port, and has a lint filter in the exhaust port.

The dryer configured as described above sometimes removes the lint filter from the cabinet for cleaning and replacement of the lint filter. In this case, as the lint filter is closed to the dryer and the dryer is operated, the dryer is operated without the lint filter and the lint is not filtered.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a dryer in which the door is not closed when the lint filter is detached.

According to an aspect of the present invention, there is provided a dryer comprising: a cabinet; A drying drum rotatably installed in the cabinet and receiving a dried material; A heater for supplying hot air to the inside of the drying drum; A door provided at a front portion of the cabinet; A lint filter provided inside the cabinet for filtering impurities in the air in the drying drum; And a door blocking portion that prevents the door from being closed when the lint filter is detached from the dryer.

At this time, according to the present invention, the door blocking portion includes: a door blocking member rotatably installed in a vicinity of the drying drum adjacent to the lint filter; And a turning means for turning the door blocking member to a position for preventing the door from being closed.

Preferably, the pivoting means is a torsion coil spring which is fitted to the pivot of the door blocking member, one end of which is caught by the door blocking member and the other end is caught by the front supporter or the lint duct.

Alternatively, the pivoting means may be a latching protrusion formed on any one of surfaces of the door blocking member and the lint filter facing each other, and a latching groove formed on the other surface of the latching protrusion so as to correspond to the latching protrusion.

Furthermore, it is preferable that the door blocking member is configured so that one end of the door blocking member is inclined downward after the door is rotated by the rotation unit.

According to another aspect of the present invention, there is provided a washing machine comprising: a front supporter for supporting a front end of the drying drum so that the drying drum can rotate; and a lint duct disposed below the front supporter to receive the lint filter, It is preferable that the lint duct is one side of the lint duct.

In the dryer according to the present invention, the structure is improved so that the door is not closed when the lint filter is detached, so that the dryer can be prevented from operating in the absence of the lint filter.

FIG. 1 is a side sectional view schematically showing a dryer according to a preferred embodiment of the present invention, and FIG. 2 is a perspective view showing a front part of the dryer shown in FIG.

Referring to the drawings, the dryer of the present invention includes a cabinet 210 forming an outer appearance and a drying drum 130 rotatably installed in a cabinet 110.

A heater 170 for generating hot air, that is, hot air, and a hot air supply duct 172 for supplying hot air generated from the heater 170 to the drying drum 130 are installed at predetermined positions of the cabinet 110, Is installed.

In addition, an exhaust duct 179 for exhausting the highly humid air heat-exchanged with the dried material in the drying drum 130, and a blower unit 178 for sucking the humid air are also mounted.

While the present invention is illustrated and described as an indirect drive method for rotating the drying drum 130 using the motor 160 and the belt 165, the present invention is not limited thereto.

That is, the present invention is also applicable to a direct drive type in which a motor is directly connected to the rear surface of the drying drum 130 to rotate the drying drum 130 directly.

The inner space of the drying drum 130 functions as a drying chamber in which drying is performed and a lift 131 is installed to drag the dried material into the inside of the drying drum 130 and drop the dried material to turn the dried material upward to improve the drying efficiency Do.

A front supporter 140 and a rear supporter 150 are installed between the drying drum 130 and the cabinet 110, respectively.

That is, a drying drum 130 is rotatably installed between the front supporter 140 and the rear supporter 150, and a leakage is provided between the front supporter 140 and the rear supporter 150 and the drying drum 130 A sealing member (not shown) is provided.

The front supporter 140 and the rear supporter 150 block the front and rear surfaces of the drying drum 130 to form a drying chamber and support the front and rear ends of the drying drum 130.

At this time, the front supporter 140 is provided with an opening for communicating the drying drum 130 with the outside of the dryer, and the opening is selectively opened and closed by the door 114.

A lint duct 174 is connected to the front supporter 140 and a lint filter 175 is installed in the lint duct 174. The lint duct 174 is connected to the front supporter 140 through which the air of the drying drum 130 is discharged.

On the other hand, one side of the blower unit 178 is connected to the lint duct 174, and the other side of the blower unit 178 is connected to the exhaust duct 179.

Accordingly, when the blower unit 178 operates, the air inside the drying drum 130 is discharged to the outside through the lint duct 174 and the exhaust duct 179. Here, foreign substances such as lint are filtered in the lint filter 175.

A plurality of through holes 150a are formed in the rear supporter 150 and a hot air supply duct 172 is connected to the through holes 150a.

On the other hand, the rear cover 112 is formed with a suction hole 112a through which external air flows.

In such a dryer, the lint filter 175 may be detached from the cabinet for cleaning and replacement of the lint filter 175.

In this case, if the door 114 is closed and the dryer is operated by the user even before the lint filter 175 is coupled to the dryer, the dryer will operate without the lint filter 175.

The present invention has a door blocking portion 180 to prevent the dryer from operating in a state where the lint filter 175 necessary for removing the lint is not installed again.

That is, the door blocking unit 180 prevents the door 114 from being closed when the lint filter 175 is detached from the dryer, thereby preventing the dryer from operating in the absence of the lint filter 175.

The door blocking unit 180 includes a door blocking member 182 rotatably installed in the vicinity of the lint filter 175 adjacent to the lint filter 175 in the drying drum 130 and a door blocking member 182 And a rotating means for rotating the door 114 to a position where the door 114 is prevented from being closed.

The adjacent portion 199 where the door blocking member 182 is installed is a side portion of the lint duct 174 in which the lint filter 175 is inserted or the front supporter 140 into which the lint filter 175 is inserted .

That is, the door blocking member 182 is disposed in the vicinity of the opening of the front supporter 140 close to the lint filter 175, so that the door blocking member 182 can be configured to rotate in conjunction with the flow of the lint filter 175 when the lint filter 175 is detached. And may be installed at the upper end of the lint duct 174.

The holes or grooves are formed in one side of the door blocking member 182 and the holes or grooves are fitted to the rotary shaft 190 formed in the front supporter 140 or the lint duct 174, do.

The door blocking member 182 is pivotable about the pivot shaft 190 and is selectively rotated by the pivoting means for blocking the door 114 to be closed.

Hereinafter, a door blocking unit according to a preferred embodiment of the present invention will be described with reference to FIGS. 3 and 4. FIG.

FIG. 3 is a view showing that a door blocking unit according to an embodiment is installed in a vicinity of the lint filter in the drying drum of FIG. 1, and FIG. 4 is a side view of the door blocking unit of FIG. Fig. 6 is a view showing closing of a door being closed; Fig.

Referring to the drawings, the pivoting means is preferably a torsion coil spring 186 configured to pivot the door blocking member 182 to a position where the door 114 is closed.

At this time, the torsion coil spring 186 is fitted to the pivot shaft 190 of the door blocking member 182 to fix the position thereof and to connect the pivotable door blocking member 182 to the fixed adjacent portion 199 do.

One end 186a of the torsion coil spring 186 is caught by the door blocking member 182 and the other end 186b is fixed to the adjacent portion 199.

Here, the torsion coil spring 186 is a spring that generates a torque such that both ends thereof are distant from each other when the gap between the both ends is narrowed below a certain distance.

Although the other end 186b of the torsion coil spring 186 is not fixed to the abutting portion 199 in FIGS. 3 and 4, the torsion coil spring 186 may have the other end 186b, Is fixed at a proper position of the abutting portion (199).

The torsion coil spring 186 is installed such that the other end 186b of the torsion coil spring 186 is fixed to the adjacent portion 199 and the one end 186a of the torsion coil spring 186 is hooked on the door blocking member 182, The door block member 182 is rotated in the counterclockwise direction to rotate the one end portion 182a of the door blocking member 182 toward the door 114 side.

5 and 6, a door blocking unit according to another preferred embodiment of the present invention will be described.

FIG. 5 is a view showing that a door blocking unit according to another embodiment is installed in a vicinity of the lint filter in the drying drum of FIG. 1, and FIG. 6 is a side view of the door blocking member of FIG. Fig. 6 is a view showing closing of a door being closed; Fig.

Referring to the drawings, the pivoting means includes a latching protrusion 187 'formed on one of surfaces of the door blocking member 182' and the lint filter 175 'facing each other, Is an engaging groove 188 'formed to correspond to the engaging portion 187'.

That is, since the latching protrusion 187 'and the latching groove 188', which can engage with each other, are formed on the facing surfaces of the door blocking member 182 'and the lint filter 175', the lint filter 175 ' The door blocking member 182 'is interlocked and rotated so that the one end 182'a of the door blocking member 182' is rotated toward the door 114 side.

5 and 6, the door blocking member 182 'has a latching groove 188' formed therein and the lint filter 175 'has a latching protrusion 187' formed therein.

Hereinafter, a process of removing the lint filters 175 and 175 'from the dryer having the door blocking portions 180 and 180' having the above-described rotating means will be described.

First, from the structure in which the one end portion 182'a of the door blocking members 182 and 182 'is arranged upward by the lint filters 175 and 175', the lint filters 175 and 175 ' The one end portions 182a and 182'a of the door blocking members 182 and 182 'are rotated toward the door 114 side.

That is, before the lint filters 175 and 175 'are detached, the door blocking members 182 and 182' are in a state in which their opposing surfaces are in contact with the lint filters 175 and 175 ' When the lint filter 175 or 175 'is lifted upward to be detached, the one end 182a or 182'a of the door blocking member 182' is rotated toward the door 114 as the door blocking member 182 or 182 ' It turns.

The door blocking members 182 and 182 'have a structure in which the one end portions 182a and 182'a of the door blocking members 182 and 182' are extended toward the door 114 to a certain extent, thereby moving the door 114 to the inside of the dryer Is blocked by the one end portions 182a and 182'a of the door blocking members 182 and 182 '.

At this time, it is preferable that the door blocking members 182 and 182 'are configured such that the one end portions 182a and 182'a closing the door 114 by the turning means are disposed to be inclined downward.

Even though the one end portions 182a and 182'a of the door blocking members 182 and 182 'are pivoted by the pivoting means so as to block the door 114 that is closed, the closing force of the door 114 So that it can be pivoted inside the dryer again.

In order to prevent this, the one end portions 182a and 182'a of the door blocking members 182 and 182 'are configured so as to be inclined downwardly after pivoting, so that the door 114 is closed to the inside of the dryer by the closed door 114, That is, it can not rotate in the clockwise direction.

3 and 4, when the lint filter 175 is lowered toward the original installation position so that the lint filter 175 is again fastened to the dryer, the lower end of the lint filter 175 contacts the door blocking member 182 By pushing down the end portion 182b, the door blocking member 182 rotates again.

5 and 6, when the lint filter 175 'is lowered toward the original installation position so that the lint filter 175' is fastened to the dryer again, the engagement protrusion 187 'of the lint filter 175' The door blocking member 182 'is returned to its original state by being inserted into the latching groove 188' while pushing down the other end 182'b of the door blocking member 182 '.

As a result, the present invention configured as described above prevents the door 114 from being closed by the door blocking members 182 and 182 'in the absence of the lint filters 175 and 175' And maintains the state of absence.

It goes without saying that the dryer is controlled by the control unit so as not to operate when the door 114 is not completely closed.

It should be understood that the present invention can be applied not only to a dryer but also to any washing machine including a drying and washing machine.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be understood that various modifications and changes may be made without departing from the scope of the appended claims.

1 is a side sectional view schematically showing a dryer according to a preferred embodiment of the present invention.

2 is a perspective view showing the front part of the dryer of FIG.

FIG. 3 is a view illustrating the installation of a door blocking unit according to an embodiment in the vicinity of the lint filter in the drying drum of FIG. 1; FIG.

FIG. 4 is a view showing that the door blocking member of the door blocking unit of FIG. 3 rotates to close a closed door.

FIG. 5 is a view showing that a door blocking unit according to another embodiment is installed in a vicinity of the drying drum of FIG. 1, which is adjacent to the lint filter.

FIG. 6 is a view showing that the door blocking member of the door blocking unit of FIG. 5 rotates to close a closed door.

DESCRIPTION OF THE REFERENCE SYMBOLS

110: cabinet 130: drying drum

140: front supporter 174: lint duct

175: Lint filter 180: Door blocking part

182: Door blocking member 186: Torsion coil spring

187 ': Locking protrusion 188': Locking groove

Claims (6)

cabinet; A drying drum rotatably installed in the cabinet and receiving a dried material; A heater for supplying hot air to the inside of the drying drum; A door provided at a front portion of the cabinet; A lint filter provided inside the cabinet for filtering impurities in the air in the drying drum; And A door blocking portion for blocking the door from being closed when the lint filter is detached from the cabinet; And a drying device for drying the dryer. The method according to claim 1, The door blocking portion A door blocking member rotatably installed in a vicinity of the drying drum adjacent to the lint filter; And Rotating means for rotating the door blocking member to a position where the door is closed; . 3. The method of claim 2, The rotating means And a torsion coil spring fitted to the rotation shaft of the door blocking member and having one end hooked to the door blocking member and the other end fixed to the adjacent portion. 3. The method of claim 2, The rotating means And a latching protrusion formed on one of surfaces of the door blocking member and the lint filter facing each other, and the latching recess formed on the other surface of the door blocking member so as to correspond to the latching protrusion. The method according to claim 3 or 4, Wherein the door blocking member is configured such that one end of the door blocking member is inclined downward after being rotated by the rotating unit. The method according to claim 3 or 4, A front supporter for supporting a front end of the drying drum to allow the drying drum to rotate; and a lint duct disposed below the front supporter to receive the lint filter, Wherein the adjacent portion is one side of the front supporter or the lint duct.

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