KR20100094684A - Dryer - Google Patents

Abstract

PURPOSE: A drier is provided not to be operated by preventing a door from closing when there is no lint filter. CONSTITUTION: A drier is composed of a cabinet, a drying drum, a heater, a door, a lint filter(175), and an anti-door closing unit(180). The drying drum is rotatably installed in the cabinet. The heater supplies high temperature and dry air to the inside of the drying drum. The door is installed on the front of the cabinet. The lint filter filters the impurities from the air in the drying drum. The anti-door closing unit prevents the door from closing if the lint filter is separated from the drier.

Description

Dryer {Dryer}

The present invention relates to a dryer, and more particularly, to a dryer having an improved structure so that the door is not closed when the lint filter is removed.

In general, a dryer includes a cabinet having a predetermined shape, a drying drum installed inside the cabinet to accommodate a dry matter, a heater supplying hot dry air into the drying drum, and a drying drum rotated by a belt. It consists of a drive motor.

Such a dryer may be divided into a condensation type and an exhaust type. The condensation type sends heat generated by a heater to a drying drum by a blower fan to dry the dry matter in the drying drum. At this time, the air in the drying drum that dried the dry matter becomes a high temperature and high humidity state and is dried by removing moisture by a condenser, and then flows into the drying drum again by a blowing fan.

In addition, the exhaust type has a structure for discharging the hot air passed through the drying drum by the heater and the blowing fan to the outside through the exhaust port formed on one side of the washing machine.

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

At this time, the dryer is a structure that can filter and regularly collect the lint in the hot air to prevent lint from accumulating in the exhaust port, and includes a lint filter in the exhaust port.

In the dryer configured as described above, the lint filter may be removed from the cabinet for cleaning and replacing the lint filter. In this case, a problem occurs because the dryer is operated without the lint filter and the lint is not filtered as the door is closed and the dryer is operated before the lint filter is coupled to the dryer.

The present invention was devised to solve the above problems, and an object thereof is to provide a dryer having an improved structure so that the door does not close when the lint filter is removed.

Dryer according to a preferred embodiment of the present invention to achieve the above object, the cabinet; A drying drum rotatably installed in the cabinet and accommodating a dry matter; A heater for supplying hot dry air into the drying drum; A door installed at the front of the cabinet; A lint filter provided in the cabinet and filtering impurities in the air in the drying drum; And a door blocking part preventing the door from being closed when the lint filter is removed from the dryer.

At this time, the door blocking portion, the door blocking member rotatably installed in the adjacent portion which is a position adjacent to the lint filter in the drying drum; And rotating means for rotating the door blocking member to a position for preventing the closing of the door.

In addition, the rotation means is preferably a torsion coil spring which is fitted to the rotation shaft of the door blocking member, one end is caught by the door blocking member and the other end is caught by the front supporter or the lint duct.

Alternatively, the rotation means may be a locking projection formed on any one surface of the door blocking member and the lint filter facing each other, and a locking groove formed to correspond to the locking projection on the remaining surface.

Furthermore, the door blocking member is preferably configured such that one end of the door blocking member is tilted downward after being rotated by the rotating means.

On the other hand, the present invention comprises a front supporter for supporting the front end of the drying drum so that the drying drum is rotatable, and a lint duct disposed below the front supporter to accommodate the lint filter, the adjacent portion is the front supporter or It is preferable that it is one side part of the said 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 removed, thereby preventing the dryer from operating in the absence of the lint filter.

1 is a side cross-sectional view schematically showing a dryer according to a preferred embodiment of the present invention, Figure 2 is a perspective view showing the front of the dryer of Figure 1;

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

In addition, in a predetermined position of the cabinet 110, hot air supply duct 172 for supplying hot air generated by heating the air, that is, hot air, that is, hot air generated by the heater 170, to the drying drum 130. ) Is installed.

In addition, an exhaust duct 179 for discharging the humid air heat-exchanged with the dry matter in the drying drum 130, a blower unit 178 for sucking the humid air is also mounted.

On the other hand, the present invention illustrates and describes an indirect drive method for rotating the drying drum 130 using the motor 160 and the belt 165 for convenience, but is not limited thereto.

That is, the present invention is also applicable to a direct drive method (Direct Drive Type) in which a motor is directly connected to the rear surface of the drying drum 130 to directly rotate the drying drum 130.

The interior space of the drying drum 130 functions as a drying chamber in which the drying proceeds, and inside the drying drum 130, the lift 131 is installed to draw up and drop the building to invert the building to increase the drying efficiency. Do.

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

That is, the drying drum 130 is rotatably installed between the front supporter 140 and the supporter 150, and leaks are formed between the front supporter 140 and the supporter 150 and the drying drum 130, respectively. A sealing member (not shown) for preventing is installed.

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

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

In addition, the front supporter 140 is connected to the lint duct 174 which is a passage through which the air of the drying drum 130 is discharged to the outside, and the lint duct 174 is provided with a lint filter 175.

Meanwhile, 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.

Therefore, when the blower unit 178 is operated, air in the drying drum 130 is discharged to the outside through the lint duct 174 and the exhaust duct 179. Here, foreign matter such as lint is filtered in the lint filter 175.

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

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

In the dryer as described above, the lint filter 175 is removed from the cabinet to clean and replace the lint filter 175.

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

The present invention, in order to prevent the dryer is operated in the state that the lint filter 175 necessary for the removal of the lint is not installed again, is provided with a door blocking unit 180.

That is, the door blocking unit 180 prevents the dryer from operating in the absence of the lint filter 175 by preventing the door 114 from closing when the lint filter 175 is removed from the dryer.

The door blocking unit 180 includes a door blocking member 182 and a door blocking member 182 rotatably installed at an adjacent part 199 which is a position adjacent to the lint filter 175 in the drying drum 130. Rotating means for rotating to a position that prevents the door 114 is closed.

At this time, the adjacent portion 199 in which the door blocking member 182 is installed is one side of the front supporter 140 into which the lint filter 175 is inserted or the lint duct 174 in which the lint filter 175 is accommodated. .

That is, the door blocking member 182 is configured to rotate in conjunction with the flow of the lint filter 175 when the lint filter 175 is removed, the opening of the front supporter 140 in close proximity to the lint filter 175 It may be installed at the top of the site or lint duct 174.

Here, the door blocking member 182 is formed with a hole or a groove on one side, the position is fixed by fitting the hole or groove to the pivot shaft 190 formed on the front supporter 140 or lint duct 174. do.

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

Here, the door blocking unit according to an embodiment of the present invention will be described with reference to FIGS. 3 and 4.

FIG. 3 is a view illustrating a door blocking unit according to an embodiment of the present invention, in which a door blocking unit is installed in an adjacent portion of a drying drum of FIG. It is a figure which shows the blocking of the closed door.

Referring to the drawings, it is preferable that the rotation means is a torsion coil spring 186 configured to rotate the door blocking member 182 to a position which prevents the door 114 from closing.

At this time, the torsion coil spring 186 is fitted to the rotation shaft 190 of the door blocking member 182, its position is fixed, and configured to connect the rotatable door blocking member 182 and the fixed adjacent portion 199. do.

In this torsion coil spring 186, one end 186a 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 torque so that both ends are far from each other when the two ends are narrowed to a predetermined distance or less.

Although the other end of the torsion coil spring 186 is fixed to the adjacent portion 199 in FIGS. 3 and 4, the other end of the torsion coil spring 186 may generate torque so that the torsion coil spring 186 may generate torque. Is locked at an appropriate position of the adjacent portion 199.

As described above, the torsion coil spring 186 is installed such that the other end 186b is fixed to the adjacent portion 199 and one end 186a is caught by the door blocking member 182, thereby engaging the door blocking member 186a. 182 is rotated counterclockwise to rotate one end 182a of the door blocking member 182 toward the door 114 side.

Meanwhile, a door blocking unit according to another exemplary embodiment of the present invention will be described with reference to FIGS. 5 and 6.

FIG. 5 is a view illustrating a door blocking unit according to another embodiment of the present invention, wherein the door blocking unit is rotated in the door blocking unit of FIG. 5. It is a figure which shows the blocking the closing door.

Referring to the drawings, the rotating means includes a locking protrusion 187 'formed on one of the surfaces of the door blocking member 182' and the lint filter 175 'facing each other, and the locking protrusion on the remaining surface. A locking groove 188 'is formed to correspond to the (187').

That is, the rotation means includes a lint filter 175 'as the locking protrusion 187' and the locking groove 188 'which are engaged with each other are formed on the surfaces of the door blocking member 182' and the lint filter 175 'facing each other. The door blocking member 182 'is rotated in conjunction with the upward movement of the) so that one end 182'a is rotated toward the door 114 side.

5 and 6, as an example, a locking groove 188 ′ is formed in the door blocking member 182 ′ and a locking protrusion 187 ′ is formed in the lint filter 175 ′.

Then, a process of removing the lint filters 175 and 175 'from the dryer having the door blocking units 180 and 180' having the rotation means as described above is as follows.

First, the lint filters 175 and 175 'are removed from the structure in which one end portion 182'a of the door blocking members 182 and 182' is arranged upward by lint filters 175 and 175 '. When lifted upward to remove from the dryer, one end 182a, 182'a of the door blocking members 182, 182 'is rotated to the door 114 side.

That is, the door blocking members 182 and 182 'are in contact with the lint filters 175 and 175' without being removed until the lint filters 175 and 175 'are removed. When the lint filters 175 and 175 'are lifted upward to be removed, one end portion 182a and 182'a is rotated toward the door 114 as the door blocking members 182 and 182' are rotated. Rotate.

The door blocking members 182 and 182 'have a structure in which one ends 182a and 182'a are pushed out toward the door 114 to some extent so that the door 114 is moved inside the dryer to be closed. It is blocked by one ends 182a and 182'a of the door blocking members 182 and 182 '.

At this time, the door blocking members 182 and 182 'are preferably configured such that one end portions 182a and 182'a blocking the door 114 after the rotation by the rotating means are inclined downward.

Although the end portions 182a and 182'a of the door blocking members 182 and 182 'are rotated by the rotation means, the closing force of the door 114 is prevented. It can be pushed by and rotated back inside a dryer.

In order to prevent such a point, one end portion 182a, 182'a of the door blocking members 182, 182 'is configured to be inclined downwardly after rotation, so that the door 114 is closed to the inside of the dryer. In other words, the structure cannot be rotated clockwise.

Meanwhile, in FIGS. 3 and 4, when the lint filter 175 is lowered toward the original installation position in order for the lint filter 175 to be fastened to the dryer again, the lower end of the lint filter 175 is formed on the other end of the door blocking member 182. By pushing down the end portion 182b, the door blocking member 182 rotates back to its original state.

In addition, in FIGS. 5 and 6, when the lint filter 175 'is lowered toward the original installation position in order for the lint filter 175' to be fastened to the dryer again, the locking projection 187 'of the lint filter 175' is removed. By fitting the other end portion 182'b of the door blocking member 182 'into the locking groove 188', the door blocking member 182 'is rotated again.

As a result, the present invention constituted as described above, the dryer can be operated by preventing the door 114 from being closed by the door blocking members 182 and 182 'in the absence of the lint filter 175 and 175'. Keep it out.

Here, the dryer is of course controlled by the control unit so that the door 114 is not operated when the door 114 is not completely closed.

On the other hand, the present invention is not only applied to the dryer, of course, can be applied to all the washing machine is a drying operation including a dry washing machine.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

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

FIG. 2 is a perspective view illustrating a front part of the dryer of FIG. 1. FIG.

FIG. 3 is a view illustrating a door blocking unit according to an embodiment installed at an adjacent portion that is a position adjacent to a lint filter in the drying drum of FIG. 1.

FIG. 4 is a view illustrating a door blocking member blocking a door that is closed by rotating the door blocking member of FIG. 3.

FIG. 5 is a view illustrating a door blocking unit according to another exemplary embodiment in a neighboring portion which is a position adjacent to a lint filter in the drying drum of FIG. 1.

FIG. 6 is a view illustrating a door blocking member blocking a door that is closed by rotating the door blocking member of FIG. 5.

<Explanation of symbols for the main parts of the drawings>

110: cabinet 130: drying drum

140: front supporter 174: lint duct

175: lint filter 180: door cutout

182: door blocking member 186: torsion coil spring

187 ': Jamming protrusion 188': Hanging groove

Claims (6)

cabinet; A drying drum rotatably installed in the cabinet and accommodating a dry matter; A heater for supplying hot dry air into the drying drum; A door installed at the front of the cabinet; A lint filter provided in the cabinet and filtering impurities in the air in the drying drum; And A door cut-off unit preventing the door from being closed when the lint filter is removed from the dryer; Dryer comprising a. The method of claim 1, The door blocking portion, A door blocking member rotatably installed in an adjacent portion at a position adjacent to the lint filter in the drying drum; And Rotating means for rotating the door blocking member to a position for preventing the closing of the door; Dryer comprising a. The method of claim 2, The rotation 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. The method of claim 2, The rotation means, And a locking protrusion formed on one of the surfaces of the door blocking member and the lint filter facing each other, and a locking groove formed on the remaining surface to correspond to the locking protrusion. The method according to claim 3 or 4, And the door blocking member is configured such that one end of the door blocking member is inclined downward after the door blocking member is rotated by the pivoting means. The method according to claim 3 or 4, A front supporter for supporting the front end of the drying drum such that the drying drum is rotatable, and a lint duct disposed under the front supporter to accommodate the lint filter; The adjacent portion is a dryer, characterized in that one side of the front supporter or the lint duct.

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