KR20080057708A - Dryer with door for repair - Google Patents

Abstract

A dryer equipped with a sub-door is provided to form a service hole part at the side wall of a cabinet corresponding to a heater and install the sub-door at the service hole part, so that the heater is easily repaired without dissembling the cabinet. A dryer equipped with a sub-door includes a cabinet(50), a drum(60), an intake-manifold(70), a heater(100), and a sub-door(250). The drum is installed inside the cabinet to receive laundry. The intake-manifold guides the internal air of the cabinet into the drum. The heater is installed in the intake-manifold. The sub-door is detachably installed in the cabinet corresponding to the heater. The cabinet includes a service hole(240), a plurality of hole parts, and a plurality of coupling holes. The service hole is provided at the sidewall corresponding to the heater. The holes are formed in the frame of the service hole. The coupling holes are formed in the vicinity of the service hole.

Description

Dryer with auxiliary door {DRYER WITH DOOR FOR REPAIR}

1 is a configuration diagram showing a flow path structure of a dryer according to the prior art.

Figure 2 is a partial cutaway perspective view of a dryer according to the prior art.

Figure 3 is a block diagram showing a dryer having a gas heater according to an embodiment of the present invention.

Figure 4 is an exploded perspective view showing an auxiliary door of the dryer according to an embodiment of the present invention.

5 is an exploded perspective view showing a gas heater according to an embodiment of the present invention.

6 is a partially enlarged view illustrating a mixing tube of a gas heater according to an embodiment of the present invention.

7 is a perspective view showing a suction amount adjusting means of the gas heater according to an embodiment of the present invention.

8 is a perspective view illustrating a bracket of a gas heater according to an embodiment of the present invention.

9 is a plan view illustrating a suction passage of a dryer having a gas heater according to an embodiment of the present invention.

10 is a side sectional view showing a circulation passage of a dryer having a gas heater according to an embodiment of the present invention.

11 is a plan view illustrating an exhaust passage of a dryer having a gas heater according to an embodiment of the present invention.

<Explanation of symbols on main parts of the drawings>

50: cabinet 54: discharge port

60 drum 62 support panel

62a: through hole 64a: outlet

70: intake pipe 80: exhaust pipe

82: exhaust fan 84: connector

86 housing 90 drive motor

100: heater 110: guide tube

120: mixing tube 124: mixing section

130 gas pipe 140 nozzle

150: valve 160: bracket

170: spark plug 180: flame holder

190: suction amount control means 200: seating means

230: fastening means 240: service hole

242: coupling hole 244: blocking panel

250: auxiliary door 252: insertion protrusion

The present invention relates to a dryer, and more particularly, to a dryer having an auxiliary door for easy repair and replacement of the heater.

1 is a configuration diagram showing a flow path structure of a dryer according to the prior art, Figure 2 is a partial cutaway perspective view showing a dryer according to the prior art.

1 and 2, the dryer according to the prior art forms the appearance of the dryer and the case (2) is formed in the front door to the object, the rotatable disposed inside the case (2) and the blood inside The drum 12, which is opened in the front-rear direction so that the dry matter is accommodated and the air passes therethrough, the heater 18 which is disposed inside the case 2 and heats the sucked air, and passes through the heater 18 An intake duct 20 for guiding heated air to the rear of the drum 12, an exhaust means 22 for discharging the turbid air while drying the object to the outside of the case 2, and the exhaust means ( 22 is provided with a blowing fan (not shown), a motor (not shown) and a belt 40 for rotationally driving the drum 12 and the blowing fan.

A lifter 11 is disposed on the inner circumferential surface of the drum 12 to lift and drop the object to be dried.

The exhaust means 22 has a lint duct 25 in which air in the drum 12 is sucked and a filter 24 is mounted to filter foreign matter, and the lint duct 25 communicates with the blower fan 30. It consists of a fan housing 26 enclosing the exhaust housing and an exhaust duct 27 having one end communicating with the fan housing 26 and the other end disposed outside the case 2.

Looking at the operation of the prior art configured as described above are as follows.

First, after the object is put into the drum 12, the door is closed and the dryer is operated. As the motor is driven, the drum 12 and the blowing fan rotate, and the heater 18 is also operated. Done.

At this time, as the drum 12 is rotated, the dry matter in the drum 12 is lifted by the lifter 11 and falls. In addition, the outside air is heated by high temperature and low humidity air while being sucked into the inside of the heater 18 by the blowing force generated when the blowing fan is rotated, and then the inside of the drum 12 through the intake duct 20. Is discharged.

After the high temperature and low humidity air supplied into the drum 12 is in direct contact with the object to be dropped, the air is dried and moved to the front end side of the drum 12 while being converted into air of low temperature and high humidity. It is discharged out of the dryer through the exhaust duct 27.

However, the dryer according to the prior art has a heater installed inside the cabinet forming a closed space, so if the heater breaks down, only the cabinet should be opened to repair and replace the heater. There is a problem that is difficult to reduce the cost.

The present invention has been made to improve the above-mentioned problems of the prior art, and an object thereof is to provide a dryer having an auxiliary door to repair or replace the heater without dismantling the cabinet.

Dryer having an auxiliary door according to the present invention for solving the above problems is installed in the cabinet, the drum rotatably installed inside the cabinet to accommodate the laundry, the intake pipe to guide the air inside the cabinet into the drum And a heater installed in the intake pipe, and an auxiliary door detachably installed in the cabinet corresponding to the heater.

In addition, the cabinet of the present invention is characterized in that the service hole is formed on the side wall corresponding to the heater, a plurality of coupling holes are formed on the edge of the service hole, a plurality of fastening holes are formed around the service hole. .

In addition, the auxiliary door of the present invention is formed a predetermined amount smaller than the service hole, a plurality of insertion projections are formed at one end and the other end corresponding to the coupling hole, the fastening member is formed at the end corresponding to the fastening hole It is characterized in that the insertion hole is fitted.

In addition, the upper edge of the service hole of the present invention is characterized in that the blocking panel is formed.

Hereinafter, an embodiment of a dryer having an auxiliary door according to the present invention will be described in detail with reference to the accompanying drawings.

For convenience of description, a dryer having a gas heater will be described as an example. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.

In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator.

Therefore, definitions of these terms should be made based on the contents throughout the specification.

3 is a configuration diagram showing a dryer having a gas heater according to an embodiment of the present invention, Figure 4 is an exploded perspective view showing an auxiliary door of the dryer according to an embodiment of the present invention, Figure 5 An exploded perspective view showing a gas heater according to an embodiment of the present invention.

6 is a partially enlarged view of the mixing tube of the gas heater according to an embodiment of the present invention, Figure 7 is a perspective view showing a suction amount adjusting means of the gas heater according to an embodiment of the present invention, Figure 8 Is a perspective view of the bracket of the gas heater according to an embodiment of the present invention.

9 is a plan view showing a suction flow path of the dryer having a gas heater according to an embodiment of the present invention, Figure 10 is a circulating flow path of the dryer having a gas heater according to an embodiment of the present invention 11 is a side cross-sectional view, and FIG. 11 is a plan view illustrating an exhaust path of a dryer having a gas heater according to an embodiment of the present invention.

3 to 11, a dryer according to an embodiment of the present invention forms a predetermined space, an opening is formed at one side, a cabinet 50 having an inlet (not shown) and an outlet 54, and an opening. The drum 60 rotatably installed inside to accommodate the laundry, a plurality of lifters 60a installed on the inner wall of the drum 60 to rotate the laundry, and air in the cabinet 50 are inside the drum 60. Intake pipe 70 to be guided to, the heater 100 is provided on one side of the intake pipe 70, the exhaust fan 82 provided between the drum 60 and the discharge port 54, exhaust fan 82 ) And an auxiliary door detachably installed in the cabinet 50 corresponding to the heater 100 and the drive motor 90 to which the exhaust pipe 80 installed between the exhaust port 54 and the exhaust fan 82 are connected, and the cabinet 50 corresponding to the heater 100. 250.

Thus, when the power is applied to the drive motor 90 by the user's operation, the exhaust fan 82 is rotated to circulate the air, and the air introduced through the suction port is converted into hot air while passing through the heater 100. Then, the drum 60 is supplied into the drum 60 along the intake pipe 70, and the drying or sterilization operation of the laundry is performed while contacting the laundry in the drum 60.

Thereafter, the air discharged by the exhaust fan 82 is discharged to the outside through the discharge port 54 of the cabinet 50 along the exhaust pipe 80, thereby circulating the air.

Here, the cabinet 50 has a service hole 240 is formed on the side wall corresponding to the heater 100, a plurality of coupling hole 242 is formed on the edge of the service hole 240, the service hole 240 A plurality of fastening hole parts 246 are formed around the periphery.

As a result, the auxiliary door 250 is detachably installed in the service hole 246. The auxiliary door 250 is formed to be smaller than the service hole 240 by a predetermined amount (a), and is formed in the coupling hole 242. A plurality of insertion protrusions 252 are formed at one end portion and the other end portion thereof, and an insertion hole portion 254 into which the fastening member is fitted is formed at an end corresponding to the fastening hole portion 246.

Thus, by inserting the insertion protrusion 252 formed on the upper end of the auxiliary door 250 into the coupling hole 242 to lift the auxiliary door 250 upward, the auxiliary door 250 is slid upward by a predetermined amount. Insertion protrusion 252 formed at the bottom of the) can be inserted corresponding to the coupling hole 242 formed on the lower edge of the service hole 240.

After inserting the insertion protrusions 252 formed at the upper and lower ends of the auxiliary door 250 into the coupling hole 242, the auxiliary door 250 flows downward to correspond to the fastening hole 246 and the insertion hole 254. While the fastening member such as a bolt is coupled to achieve the mounting of the auxiliary door 250.

In addition, since the blocking panel 244 is formed at the upper edge of the service hole 240, the gap between the service hole 240 and the auxiliary door 250 may be closed after the auxiliary door 250 is mounted while sliding downward. do.

In addition, the drum 60 is formed in a cylindrical shape with a front surface and a rear surface opened so that the front surface corresponds to the opening of the cabinet 50, and the rear surface is rotatably installed on the support panel 62 having the through hole 62a formed therein. .

Here, the support panel 62 is installed on the rear inner wall of the cabinet 50 so that the drum 60 can be rotatably supported, and the intake pipe 70 is installed in the through hole 62a.

In addition, the front panel 64 is provided between the front end of the drum 60 and the opening of the cabinet 50, and a discharge port 64a is formed at the lower end of the front panel 64.

An extension pipe 84 facing the exhaust fan 82 side is provided at this discharge port 64a, and a housing 86 is installed between the extension pipe 84 and the exhaust pipe 80 so that the exhaust fan 82 is rotatably embedded. .

In addition, the intake pipe 70 is formed of a passage extending from the heater 100 to the upper portion of the rear surface of the cabinet 50 corresponding to the through hole portion 62a, so that air introduced from the inside of the cabinet 50 is heated by the heater 100. As it passes through the air is converted to a predetermined temperature or more is moved along the intake pipe 70 to the upper side of the cabinet 50, it is introduced into the drum 60 through the through-hole portion 62a.

At this time, as the drum 60 connected to the drive motor 90 and the belt (not shown) is rotated so that the contact area of the hot air and the laundry increases, a drying operation or a sterilization operation of the laundry is performed.

The heater 100 is installed at one side of the cabinet 50 to supply a gas into the cabinet 50, a nozzle 140 installed at an inner end of the gas pipe 130, and one side of the gas pipe 130. A valve 150 installed in the mixing chamber, a mixing pipe 120 connected to the nozzle 140 to mix gas and air, and an ignition plug 170 installed outside the mixing pipe 120 to generate a flame, and mixing The guide pipe 110 and the gas pipe 130, the mixing pipe 120, the guide pipe 110, which are installed outside the pipe 120 and guide the heated air to a predetermined space, are mounted and the wall of the cabinet 50 is installed. A flame holder installed between the bracket 160 installed at one side and the mixing pipe 120 and the guide pipe 110 so as to prevent the spark generated by the spark plug 170 from being formed larger than a predetermined size. 180).

Thus, when the valve 150 is opened and the gas is supplied to the mixing pipe 120 along the gas pipe 130, the valve 150 is mixed with the air in the cabinet 50 to be injected outside the mixing pipe 120, and at this time, the spark plug 170 Flames are generated by the flames generated from).

The flame generated in this way is controlled by the flame holder 180 so that the size and position of the flame are controlled so that the flame is positioned inside the guide tube 110, so that the air introduced along the guide tube 110 passes through the flame and is heated to a high temperature. The temperature is changed by the hot air of the sprayed to the laundry, so the drying operation is made.

Mixing tube 120 is a mixing unit 124 is formed on one side to allow the air in the cabinet 50 to flow in, the mixing unit 124, the nozzle 140 is coupled to the gas to the mixing tube 124 Inflow is made, and the air in the cabinet 50 is introduced to a predetermined amount.

In addition, the mixing pipe 124 has a pair of coupling ribs 122 formed at both ends, the coupling rib 122 is formed with a hole portion (122a) bolts to the fastening hole portion 162a of the bracket 160 to be described later Are combined by.

Here, the mixing part 124 is formed by the end of the mixing tube 120 is extended, the insertion hole portion 124a is formed in a hollow cylindrical shape forcing the nozzle 140 at the end corresponding to the nozzle 140 Is formed, the inlet hole portion 124b is formed on one side of the circumferential surface air is sucked in the cabinet (50).

As a result, when gas is injected into the mixing unit 124 by the nozzle 140, air inside the cabinet 50 is supplied into the mixing unit 124 through the inlet hole 124b, thereby mixing gas and air. The gas flows along the mixing pipe 120 and is injected into the guide pipe 110.

The suction amount adjusting means 190 is installed in the mixing part 124 to adjust the amount of air introduced therein, and the suction amount adjusting means 190 is installed inside the inlet hole part 124b to provide the inlet hole part 124b. By varying the size, the amount of air introduced can be controlled.

The suction amount adjusting unit 190 is rotatably installed inside the mixing unit 124 to adjust the size of the inlet hole 124b and the control tube 192 and the gear unit formed at one side of the control tube 192 ( 192c, the long hole portion 196 formed in the mixing portion 124 corresponding to the gear portion 192c, and is inserted into the mixing portion 124 through the long hole portion 196, the gear bit 192c And a driven gear 198 and a driven gear 198 and a geared motor 194.

Here, the control pipe 192 is formed in a cylindrical shape with one side open and hollow inside, the intake hole 192a is formed on the front side corresponding to the insertion hole 124a, the circumference corresponding to the inlet hole 124b The adjustment hole 192b is formed on the surface.

As a result, when the motor 194 is driven, the control tube 192 is rotated by the rotation of the driven gear 198 geared to the rotation shaft of the motor 194, and the adjustment hole 192b of the control tube 192 The size of the inflow hole 124b may vary according to the distance from the inflow hole 124b.

Gas heater of the present invention is a gas pipe 130, the mixing pipe 120, the guide pipe 110 is mounted, and further includes a bracket 160 is installed on one side of the cabinet 50 inner wall. The bracket 160 is installed between the bracket 160 and the cabinet 50 so that the mounting means 200 may be disposed at the correct position, and the fastening is installed between the bracket 160 and the cabinet 50. Means 230 are formed.

Thus, the bracket 160 may be fixed by the fastening means 230 after the bracket 160 is seated at the correct position of the bottom surface of the cabinet 50 by the seating means 200 when the heater 100 is installed. have.

Here, the bracket 160 is formed in a shape of a long frame in the front and rear direction in the shape of the front surface is open in a square, the seating portion 162 and the guide tube formed on the upper surface corresponding to the mixing tube 120 It comprises a support portion 168 formed with a stepped portion at the rear end portion corresponding to the 110, and a fastening hole portion 162a formed at one side of the seating portion 162 to which the mixing pipe 120 is coupled.

In addition, the seating means 200 is formed on the guide protrusions 210 formed at both end portions of the bracket 160 and the inner wall of the cabinet 50 corresponding to the guide protrusions 210 so that the guide protrusions 210 are slid and fitted. The insertion part 220 and the stopper 212 formed by bending the outer end of the guide protrusion 210 are formed.

In addition, the stopper 212 is formed with a coupling groove 214 for cutting the upper portion to allow the gas pipe 130 is seated.

Thus, when installing the heater 100, after installing the mixing pipe 120 and the gas pipe 130 in the bracket 160, the guide protrusion 210 is pushed into the insertion portion 220, the through-hole portion 232 When the bolt is fastened, the bolt passing through the through hole part 232 is fastened to the coupling hole part 234, and thus the heater 100 is mounted.

Flame holder 180 is installed between the mixing tube 120 and the guide tube 110, a plurality of supports 184 extending from one side of the flame holder 180 is coupled to the end of the mixing tube 120, and ignition A cover 188 is formed on one side of the support 184 corresponding to the plug 170 and partitions between the mixing pipe 120 and the spark plug 170.

In addition, the flame holder 180 is a support 184 extends from the main body 182 formed in a ring shape, a plurality of wings 186 protrude radially between the support 184 and the support 184.

Here, the blade 186 is bent at a predetermined angle toward the mixing tube 120 side, the cover portion 188 is a portion of the support 184 is made by extending a predetermined amount in the circumferential direction.

Thus, the mixed gas injected to the outside of the mixing tube 120 is ignited by the spark generated from the spark plug 170, the spark plug 170 as soon as being injected into the outside of the mixing tube 120 by the cover 188. Since the contact is suppressed, the generation of the flame occurs at a predetermined distance away from the mixing tube 120, and the flame generated because the mixed gas injected by the main body 182 and the blade 186 of the flame holder 180 is dispersed. The shape of the guide tube 110 is not formed long, is formed to be collected near the flame holder.

By this action, the flame is collected in the central portion inside the guide tube 110, so that the mixing pipe 120 or the intake pipe 70 can be prevented from being deformed or damaged by the flame.

Looking at the operation of the gas heater and the dryer having the same according to the present invention configured as described above are as follows.

First, when a user operates a driving button (not shown), power is applied to the driving motor 90 and the heater 100 so that the exhaust fan 82 and the drum 60 are rotated, and the exhaust fan 82 is driven. The air introduced into the drum 60 by the inlet is moved to the upper side of the cabinet 50 along the intake pipe 70 formed long in the vertical direction on the back of the cabinet 50 after passing through the inlet. By the heater 100, it heats with high temperature dry air more than predetermined temperature.

Thereafter, the air introduced into the drum 60 through the through-hole part 62a flows in a tornado shape and contacts the laundry to perform a drying operation.

A discharge port 64a is formed in the front panel 64 provided between the opening of the drum 60 and the inner wall of the cabinet 50, and the air which has undergone the drying operation is discharged to the outside of the drum 60 along the discharge port 64a. And flows into the housing 86 of the exhaust fan 82 through the connecting pipe 84 communicating with the discharge port 64a, and is moved along the exhaust pipe 80 in the housing 86 to the cabinet through the discharge port 54. 50 is discharged to the outside.

Here, looking at the operation of the heater 100, with the start of the drying operation, the valve 150 is opened, the gas is injected into the mixing tube 120 through the nozzle 140, the inlet hole of the mixing unit 124 ( The air inside the cabinet 50 is primarily mixed with gas through 124b.

The mixed gas is injected to the outside of the mixing tube 120, the flame is generated by the spark plug 170 installed on the outside of the mixing tube 120, that is, the inner side of the guide tube 110 is supplied to the intake pipe 70 It is possible to supply thermal energy to the air.

In addition, the flame has a shape that is collected in the central portion of the guide tube 110 by the flame holder 180 to prevent the mixing pipe 120 and the intake pipe 70 is deformed or damaged, which is a flame holder Since the cover portion 188 of 180 divides the mixed gas and the spark plug 170 at the discharge port side of the mixing tube 120, the flame is not formed near the mixing tube 120, and the flame holder 180 Since the mixed gas is dispersed by the main body 182 and the wing 186 of the flame, the shape of the flame is prevented from being formed to the inside of the guide tube 110 to prevent the flame from occurring in the intake pipe 70. do.

When the heater 100 operation of the dryer as described above is repeated for a long time, a failure occurs in the heater 100. When the heater 100 is broken, the fastening member is disassembled from the fastening hole 246 and the insertion hole 254. After sliding the auxiliary cover 250 upward, the insertion protrusion 252 formed at the lower end of the auxiliary door 250 is separated from the coupling hole 246 to separate the auxiliary door 250 from the service hole 240. It becomes possible.

Thus, the repair and replacement work of the heater 100 is performed through the service hole 240 in which the auxiliary door 250 is separated. When the work is completed, the auxiliary door 250 is transferred to the service hole 240 in the reverse order of the above method. Mount it.

When the installation of the auxiliary door 250 is completed, the blocking panel 244 closes the gap between the auxiliary door 250 and the service hole 240 so that the flame and heat energy generated from the heater 100 are outside the cabinet 50. To prevent emissions.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and various modifications and equivalent other embodiments are possible to those skilled in the art. Will understand.

In addition, although a dryer has been described as an example, this is merely exemplary, and the gas heater of the present invention may be used in a gas heater of a product other than the gas heater used in the dryer.

Therefore, the true technical protection scope of the present invention will be defined by the claims below.

The dryer having the auxiliary door according to the present invention configured as described above has a service hole formed in the side wall of the cabinet corresponding to the heater, and the auxiliary door is detachably installed in the service hole so that the auxiliary door is opened when a heater failure occurs. Since the heater can be easily repaired and replaced without removing the cabinet from the cabinet, there is an advantage of reducing the time and cost required for repair and replacement of the heater.

Claims (4)

cabinet; A drum rotatably installed inside the cabinet to accommodate laundry; An air inlet pipe for guiding air inside the cabinet to the inside of the drum; A heater installed in the intake pipe; And an auxiliary door detachably installed in the cabinet corresponding to the heater. The method of claim 1, The cabinet has an auxiliary door, wherein a service hole is formed on a side wall corresponding to the heater, a plurality of coupling holes are formed at an edge of the service hole, and a plurality of fastening holes are formed around the service hole. Drier equipped. The method of claim 2, The auxiliary door is formed to be smaller than the service hole by a predetermined amount, and a plurality of insertion protrusions are formed at one end portion and the other end portion corresponding to the coupling hole portion, and the insertion member is inserted at the end portion corresponding to the coupling hole portion. Dryer having an auxiliary door, characterized in that the hole is formed. The method of claim 1, Dryer having an auxiliary door, characterized in that the blocking panel is formed on the upper edge of the service hole.

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