KR20080027677A - Washing machine - Google Patents

Abstract

A front loading washing machine is provided to pull out a detergent box from a dispenser smoothly by setting pull-out distance using a locking unit and an automatic pulling out unit. A front loading washing machine comprises a dispenser, a detergent boxy, a locking unit, and an automatic pulling out unit. The locking unit locks or releases the detergent box inserted to the dispenser. The automatic pulling out unit has a wire unit(55), an elastic unit(53), a housing unit, a rotary shaft(52), and a reel unit(54). The wire unit connects the dispenser and the detergent box. The elastic unit pulls the wire unit to pulling-out direction of the detergent boxy when releasing the locking unit. The housing unit is mounted at one of the dispenser or the detergent boxy. The rotary shaft is elastically rotated on the housing unit to pulling-out direction of the detergent boxy. The reel unit is located at the rotary shaft and winds the wire unit of which an end is connected with one of the dispenser or the detergent boxy.

Description

Washing machine {Washing machine}

1 is a partially exploded perspective view of a drum type washing machine according to one embodiment of the present invention;

Figure 2 is an exploded perspective view of the detergent supply mechanism shown in Figure 1,

Figure 3 is a side view of the detergent box and dispenser housing shown in Figure 2,

4 is a cross-sectional view taken along the line A-A shown in FIG.

5 is a perspective view of the automatic take-out mechanism shown in Figure 4,

FIG. 6 is a partially cutaway perspective view illustrating a main part of the automatic take-out mechanism shown in FIG. 5;

7 is a perspective view showing an automatic withdrawal mechanism of the detergent supply mechanism in the drum type washing machine according to another embodiment of the present invention;

8 is a partial cutaway perspective view of the main portion of the automatic take-out mechanism shown in FIG.

9 is a side view of a detergent box and a dispenser housing of a detergent supply mechanism in a drum type washing machine according to another embodiment of the present invention;

10 is an exploded perspective view illustrating main parts of the detergent box and the dispenser housing shown in FIG. 9;

<Simple description of the code for the main part of the drawing>

1: drum washing machine 14, 114: detergent supply mechanism

20: dispenser 21: dispenser housing

26: jam jaw 30: detergent box

36: height adjustment projection 37: flange

38: hanger 40: locking mechanism

50,100: automatic take-out mechanism 51: housing part

52: rotating shaft 53: elastic portion, spiral spring

54: reel portion 55: wire portion, wire

56: flange 57: wire entrance

59: holder 60: damping part, rotary damper

70: guide mechanism

The present invention relates to a washing machine, and more particularly, to a washing machine which can be easily withdrawn and stored in a detergent box, thereby improving convenience of use of the detergent box.

In general, a washing machine is a device that washes laundry through a process such as washing, rinsing, and dehydrating to remove contamination from clothes, bedding, etc. (hereinafter referred to as 'laundry') using water, detergent, and mechanical action.

In a typical washing machine, a washing tank in which washing water and laundry are accommodated is rotatably disposed therein, and a driving motor is provided at one side of the washing tank to operate the washing tank while the washing tank is operated by the power of the driving motor. The washing machine further includes a water supply mechanism for supplying the washing water to the washing tank, and a drainage mechanism for draining the washing water inside the washing tank to the outside, and a detergent is supplied into the washing tank on the water supply passage of the water supply apparatus. Detergent supply mechanism is arranged.

The detergent supply mechanism includes a dispenser disposed in communication with the water supply passage, and a detergent box disposed in the dispenser so as to be pulled out and completely separated out of the washing machine.

However, the washing machine according to the prior art, since the user draws out the detergent box directly from the dispenser, injects detergent, and stores the detergent box again inside the dispenser, drawing out the detergent box is very inconvenient and cumbersome. There is this.

In addition, there is a problem that the detergent box is incompletely stored or drawn out inside the dispenser due to an incorrect operation in the process of directly withdrawing or storing the detergent box.

An object of the present invention is to provide a washing machine in which the detergent box can be easily withdrawn and stored, thereby improving the usability of the detergent box.

It is another object of the present invention to provide a washing machine in which incomplete withdrawal and storage of a detergent box is prevented.

The present invention includes a dispenser having an opening portion formed at a front portion thereof, a detergent box disposed to be movable inside the dispenser through the opening portion, and a detergent box formed at both sides of the dispenser along a moving direction, and the detergent inserted into the dispenser. Automatic take-out mechanism provided with a locking mechanism for locking or releasing the box, a wire portion connecting the dispenser and the detergent box, and an elastic portion for pulling the wire portion by elastic force in the withdrawal direction of the detergent box when the locking mechanism is released. It provides a washing machine comprising a.

The automatic dispensing mechanism may include a housing unit mounted to one of the dispenser and the detergent box, the housing unit being rotatably disposed, and the elastic unit provided between the housing unit and the housing unit to be elastic in the extraction direction of the detergent box. The rotating shaft may further include a reel unit disposed on the rotating shaft and winding a wire unit having an end connected to the other one of the dispenser and the detergent box.

The rotating shaft, the reel portion, and the elastic portion may be disposed inside the housing portion, and a wire entrance and exit may be formed at one side thereof. A partition wall part may be formed in the housing part so as to partition a space in which the reel part and the elastic part are accommodated, and a through hole may be formed in the center of the partition wall part to allow the rotation shaft to rotate therethrough. The elastic part may include a spiral spring connected to one side of the housing part and the other side connected to the rotating shaft. An end of the wire part may be detachably connected to a side of the dispenser and the detergent box in which the housing part is not mounted. An end portion of the wire portion may be provided with a holder that is detachably hooked to the dispenser or detergent box. The housing part may be mounted on both sides of the dispenser, and the holder may be detachably hooked to the hook parts formed on both sides of the detergent box, respectively. The hook portion is formed on the side end of the detergent box, the washing machine is formed with a hook groove is inserted into the holder to prevent the holder from being separated.

The automatic withdrawal mechanism may further include a damping unit for limiting the withdrawal speed of the detergent box. The damping unit may include a rotary damper mounted on an open side of the housing and connected to an end of the rotation shaft.

The dispenser includes a locking jaw that protrudes inwards, and the detergent box is locked to the locking jaw when stored and is a height at a portion corresponding to the locking jaw so that the dispenser can be removed from the dispenser by avoiding the locking jaw. It may include a height adjustment protrusion formed to be adjusted. The locking mechanism may be disposed in the dispenser and the detergent box so that the detergent box is locked when the detergent box is inserted into the dispenser and the detergent box is released when the detergent box is pressed back into the dispenser.

The detergent box may have a flange portion formed on both sides in a moving direction, and the dispenser may include a guide mechanism for supporting the flange portion in a rolling contact manner on both sides. The guide mechanism may include support frames mounted on inner surfaces of both sides of the dispenser; A pair of rollers disposed on the upper side and the lower side of the flange part to be in contact with the support frame therebetween; It may include roller connectors for rotatably connecting the rollers to the support frame, respectively.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a partially exploded perspective view of a drum type washing machine 1 according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of the detergent supply mechanism 14 shown in FIG. 1, and FIG. 3 is a detergent shown in FIG. 2. A side view of the box 30 and the dispenser housing 21, FIG. 4 is a cross-sectional view taken along line AA of FIG. 3, FIG. 5 is a perspective view of the automatic take-out mechanism 50 shown in FIG. 4, and FIG. 6 is a partially cutaway perspective view of the main portion of the automatic take-out mechanism 50 shown in FIG.

Referring to FIG. 1, the drum type washing machine 1 includes a cabinet 2 forming a left side, a right side and a back side of the drum type washing machine 1, and a spring 3 and a damper inside the cabinet 2. A tub 4 which is disposed to be buffered by a buffer and accommodates the wash water, and is rotatably disposed inside the tub 4 to accommodate the laundry, and a plurality of manual holes 5A through which the wash water passes. A drum 5, a lifter 6 disposed on the inner side of the drum 5 so as to pump up the laundry in the drum 5 to a predetermined height and then drop it, and a rotational force on the drum 5. It comprises a drive mechanism (7) disposed in the rear portion of the tub (4) to supply a.

A cabinet cover 8 having a laundry entrance 8A in the center thereof is mounted on the front surface of the cabinet 2, and a top plate 9 and a base 10 are mounted on the top and bottom surfaces of the cabinet 2, respectively. . The door 11 which opens and closes the laundry entrance 8A is rotatably arranged in the cabinet cover 8. In addition, a control panel 12 for displaying the operation of the drum type washing machine 1 and controlling the operation of the drum type washing machine 1 is disposed above the cabinet cover 8. A drainage mechanism (not shown) is disposed between the base 10 and the tub 4 to drain the wash water stored in the tub 4 to the outside. A water supply device 13 composed of a water supply hose 13A, a water supply valve 13B, and a water supply bellows 13C is disposed between the top plate 9 and the tub 4 to supply water into the tub 4. And supplying, on the water supply flow path of the water supply mechanism 13 is provided with a detergent supply mechanism 14 for supplying a detergent with the water supplied to the tub (4). The detergent supply mechanism 14 is connected between the water supply hose 13A and the water supply bellows 13C, and the detergent box 30 is drawn out through the access hole 12A formed at one side of the control panel 12. And the cabinet 2 and the cabinet cover 8 so as to be accommodated therein.

2 and 3, the detergent supply mechanism 14 is connected to the water supply hose 13A and the water supply bellows 13C, and has an opening in the front of the access hole 12A of the control panel 12. The dispenser 20 is disposed in communication with the dispenser 20, and is housed in the dispenser 20 so as to be movable in the front-rear direction so that the dispenser 20 can move forward and backward through the opening 20A and the access hole 12A of the dispenser 20. And a locking mechanism 40 for locking or releasing the detergent box 30 formed at both sides and the flange portion 37 formed along the moving direction, and the detergent box 30 inserted into the dispenser 20. And an automatic withdrawal mechanism 50 for moving the detergent box 30 forward from the inside of the dispenser 40 when the locking mechanism 40 is released.

The dispenser 20 is disposed in communication with the access hole 12A of the control panel 12 and is mounted on the dispenser housing 21 having an open front and an upper surface, and an open upper surface of the dispenser housing 21. And a dispenser cover 22 in which a water supply hole 24B for supplying water into the detergent box 30 is formed.

The dispenser housing 21 has a drain hole 23 connecting the water supply bellows 13C to supply water and the detergent falling from the detergent box 30 to the tub 4 through the water supply bellows 13C. Is formed at the bottom. In addition, the dispenser housing 21 has stepped portions 21A formed at both upper ends of the dispenser housing 21 such that the flange 37 of the detergent box 30 is movable in the front-rear direction. The stepped portion 21A is spaced apart from the dispenser cover 22 mounted on the upper surface of the dispenser housing 21 in the vertical direction to form a groove portion into which the flange portion 37 is movably inserted. The dispenser cover 22 is mounted on an upper portion of the lower panel 24 to form a flow path together with the lower panel 24 mounted on an open upper surface of the dispenser housing 21 and the lower panel 24. Top panel 25. The lower panel 24 includes a plurality of hose connecting parts 24A connected to the water supply hose 13A at a rear side thereof, and a plurality of hoses for discharging water at a position corresponding to the detergent receiving part of the detergent box 30. Water supply holes 24B are formed, respectively. Inside the upper panel 25 and the lower panel 24, a flow path 24C for guiding water from the hose connection portion 24A to the water supply hole 24B is formed.

The detergent box 30 includes a plurality of detergent accommodating parts 31A and 31B, which are accommodated in the inner space formed by the dispenser housing 21 and the dispenser cover 22 so that the detergent box 30 can be pulled forward and the detergent is accommodated. 31C) (31D) detergent box body 31 is provided, the front panel 32 provided on the front of the detergent box body 31, detergent box cap mounted on the upper surface of the detergent box body 31 (33).

The detergent box body 31 is formed in a box shape having an upper surface and a rear surface thereof, and a plurality of detergent receiving portions 31A, 31B, 31C, and 31D for receiving detergent therein are formed on both sides of the detergent box body 31. Flange portions 37 which are movably seated on the stepped portions 21A of the dispenser housing 21 are respectively formed. The detergent accommodating parts 31A, 31B, 31C, and 31D are formed on the left and right sides of the detergent box main body 31 in the longitudinal direction, respectively, to accommodate the powder detergent used for the main laundry and the laundry washing. The first and second powder detergent accommodating part 31A and 31B, and the bleach which is formed in the inner back of the said 1st and 1st powder detergent accommodating part 31A and 31B, and is spaced apart from the bottom surface, and receives a bleach and a softener, respectively. It consists of the accommodating part 31C and the softening agent accommodating part 31D. Here, the first and second powder detergent accommodating portions 31A and 31B are formed to have an upper surface open to inject the powder detergent or water, and a rear surface thereof so that the powder detergent or water is discharged to the dispenser housing 21. It is formed to be open. The bleaching agent accommodating part 31C and the softening agent accommodating part 31D are formed at positions spaced apart from each other by a predetermined height above the bottom surface of the first and second powder detergent accommodating parts 31A and 31B. And the upper surface is formed in a box shape so that the softener is injected, the siphon tube 34 protrudes upward on the bottom surface so as to communicate with the lower space of the bleach receiving portion 31C and the softening agent receiving portion 31D.

The front panel 32 has the same structure as that of the control panel 12 so as to form the front of the drum washing machine 1 together with the control panel 12 and the cabinet cover 8. Placed in front. The detergent box cap 33 is mounted on the upper surface of the detergent box body 31 to cover the upper surface of the bleach receiving portion 31C and the softening agent receiving portion 31D, and the bleach receiving portion 31C and the softening agent. Input holes 33A for injecting a bleach and a softening agent are respectively formed in portions corresponding to the accommodating portion 31D. Between the bottom of the detergent box cap 33 is covered with the siphon tube 34 so that the bleach and the softener introduced into the bleach receiving portion 31C and the softening agent receiving portion 31D can be discharged by the siphon phenomenon. The phone cap 35 protrudes downward.

Referring to FIG. 2, the dispenser 20 includes a locking jaw 26 protruding inward on a lower surface of the front portion of the lower panel 24, and the detergent box 30 of the detergent box 30 is disposed in the detergent box 30. It includes a height adjusting projection 36 protruding on the upper surface of the detergent box cap 33 so as to be caught on the locking step (26). At this time, the height adjustment projection 36 is formed so that the height can be adjusted so that interference with the locking step (26) can be avoided. Therefore, the withdrawal distance of the detergent box 30 is set by the locking jaw 26 and the height adjustment protrusion 36, and when the height of the height adjustment protrusion 36 is adjusted when necessary, the locking step 26 is provided. ) And the jamming state of the detergent box 30 may be completely removed from the inside of the dispenser 20. Of course, the locking jaw 26 and the height adjustment protrusion 36 may be formed at various positions to correspond to each other on the inner surface of the dispenser 20 and the outer surface of the detergent box 30.

1 and 3, the locking mechanism 40 is locked when inserted into the dispenser 20 and moved back to the inside of the dispenser 20 while the detergent box 30 is locked. It is disposed in the dispenser 20 and the detergent box 30 to be released. That is, the locking mechanism 40 is disposed in the lock hook 41 disposed in the detergent box 30 and the dispenser 20 or the control panel 12, so that the locking hook 41 is inserted. A toggle switch 42 that repeats locking and unlocking. The locking hook 41 is mounted on the lower rear side of the front panel 32 of the detergent box 30. The toggle switch 42 is disposed below the dispenser housing 21 so as to face the locking hook 41, and an insertion groove is formed at the end of which the end of the locking hook 41 is inserted. Here, the toggle switch 42 is mounted on the rear surface of the control panel 12 so that the insertion groove is coincident with the insertion hole 12B formed under the entrance hole portion 12A of the control panel 12. Of course, the toggle switch 42 may be mounted directly under the front portion of the dispenser housing 21 so that the insertion grooves coincide with the insertion holes 12B.

2 to 6, the automatic take-out mechanism 50 is disposed rotatably in the housing 51 and the housing 51 which are mounted to the front of the dispenser housing 21. The rotary shaft 52 and the rotary shaft 52 and the housing 51 to elastically rotate the rotary shaft 52 in the withdrawal direction of the detergent box 30 when the locking mechanism 40 is released. An elastic portion 53, a reel portion 54 disposed on the rotation shaft 52, and a wire portion 55 wound around the reel portion 54 and having an end portion connected to a rear portion of the detergent box body 31. do.

In addition, the automatic withdrawal mechanism 50 is disposed at both sides of the dispenser housing 21, and ends of the wire part 55 are connected to both sides of the detergent box body 31, respectively. Of course, the housing 51 may be mounted to the rear of the detergent box body 31 and the end of the wire 55 may be connected to the front of the dispenser housing 21.

The housing portion 51 is formed in a cylindrical shape having an empty space such that the rotation shaft 52, the reel portion 54, and the elastic portion 53 are disposed therein. A flange 56 having a hole is provided at an outer side of the housing part 51 to be fastened and fastened to the fastening boss 21B formed at the side of the dispenser housing 21 by a fastening member 27. However, the housing 64 may be mounted on the side of the dispenser housing 21 by a hook and a hook hole, an adhesive, or fusion. One side of the housing portion 51 is formed with a wire entrance (57) through which the wire portion 55 is entered. The wire entrances 57 are formed at the upper and lower portions of the wire outlet 57 so that the automatic take-out mechanism 50 can be commonly installed at both sides of the dispenser housing 21. In addition, a partition wall portion 58 partitioning the reel accommodating space 51A in which the reel portion 54 and the elastic portion 53 are accommodated and the spring accommodating space 51B is formed inside the housing portion 51. A first through hole 58A through which a middle portion of the rotation shaft 52 is rotatably penetrated is formed at the center of the partition wall portion 58, and both ends of the rotation shaft 52 are formed at both sides of the housing portion 51. The second and third through holes 51C and 51D are rotatably penetrated.

The rotation shaft 52 is disposed to penetrate the first, second and third through holes 58A, 51C, and 51D, and the second and third through holes are not separated from the housing part 51. Stoppers 52A and 52B are provided at both ends passing through the 51C and 51D. The elastic part 53 includes a spiral spring 53 disposed in the spring receiving space 51B of the housing part 51. Both ends of the spiral spring 53 are connected to the housing portion 51 and the rotating shaft 52, respectively. The reel portion 54 is disposed in the reel accommodation space 51A of the housing portion 51, and the rotation shaft 52 is connected to penetrate the rotation center.

The wire part 55 includes a wire 55 having one end connected to the reel part 54 and wound around an outer circumference of the reel part 54. The other end of the wire portion 55 is drawn out to the outside through the wire entrance and exit 57, the other end of the holder detachably hooked to the hook portion 38 formed on both ends of the detergent box body 31 59 is provided. 2 and 5, the hook portion 38 is formed to extend rearward from both sides of the detergent box body 31, the holder 59 wraps around the hook portion 38 Walk into the structure. In addition, a hook groove 38A into which the holder 59 is inserted is formed in the hook portion 38 to prevent any detachment of the holder 59.

Looking at the operation of the drum type washing machine 1 according to an embodiment of the present invention configured as described above are as follows.

First, laundry is put into the drum 5 through the laundry entrance 8A, and the laundry entrance 8A is sealed with the door 11. Then, powder detergent, bleach, and softening agent are put into the detergent receiving units 31A, 31B, 31C, and 31D of the detergent box 30, and the washing machine is set by operating the control panel 12. Activate (1).

When the drum type washing machine 1 is operated, water and detergent are supplied into the tub 4 by the water supply device 13 and the detergent supply device 14. That is, the water supply mechanism 13 opens the water supply valve 13B to supply water into the tub 4 along the water supply hose 13A and the water supply bellows 13C. The detergent supply mechanism 14, the first and second powder detergent accommodating portion 31A of the detergent box 30 through the water supply hole 24B of the dispenser cover 22 for the water introduced from the water supply hose 13A. It blows into 31B or 31 B of bleach accommodation parts. At this time, the powder detergent or bleach of the detergent box 30 is washed down to the bottom surface of the dispenser housing 21 by water ejected from the water supply hole 24B, the water supply bellows connected to the dispenser housing 21 It is supplied to the inside of the tub 4 along the wood 13C. When water and powder detergent and bleach are supplied into the tub 4 by the water supply device 13 and the detergent supply device 14 as described above, the drum 5 is driven by the motor 7, which is the drive mechanism 7. This is rotated, and as the drum 5 is rotated, the laundry is lifted by the lifter 6, and the laundry is washed in the process of falling down.

When the washing stroke of the laundry is completed, the motor 7 is stopped, and the washing water stored in the tub 4 is drained to the outside by the drainage mechanism. Then, water is supplied to the tub 4 again by the water supply device 13 to the set water level, and the drum 5 is rotated again by the motor 7 to rinse the laundry. At this time, the detergent supply mechanism 14 supplies water to the softener container 31D of the detergent box 30 to supply the softener of the softener container 31D to the inside of the tub 4. When the rinsing stroke of the laundry is completed, the wash water is drained to the outside by the drainage mechanism. When draining is performed in the washing stroke and the rinsing stroke, a dewatering stroke in which the drum 4 is rotated at high speed by the motor 5 is performed to remove the washing water contained in the laundry during the dewatering stroke.

On the other hand, in order to inject detergent into the detergent receiving portion (31A) (31B) (31C) (31D) of the detergent box 30, the process of withdrawing or storing the detergent box 30 in more detail as follows. same.

Withdrawal of the detergent box 30, the front panel 32 of the detergent box 30 accommodated in the dispenser 20 gently pushes the inside of the access hole 12A of the control panel 12, and then The force applied to the front panel 32 may be removed. That is, when the detergent box 30 is slightly moved backward in the locked state by the locking mechanism 40, the locking hook 41 of the detergent box 30 is rearward in the insertion groove of the toggle switch 42. Slightly moved to unlock the locking hook 41 and toggle switch 42. At this time, the rotating shaft 52 is elastically rotated in the direction in which the detergent box 30 is drawn out by the elastic portion 53 of the automatic take-out mechanism 50, and the reel portion 54 is rotated together with the rotating shaft 52 to the The wire part 55 is wound around the reel part 54. As the wire part 55 is wound, the detergent box 30 is led out from the entrance hole part 12A of the control panel 12. Therefore, the locking hook 51 is released from the insertion groove of the toggle switch 52 and the insertion hole 12B of the control panel 12. When the detergent box 30 is pulled out by a predetermined distance or more, the height adjusting protrusion 36 of the detergent box cap 33 is caught on the locking jaw 26 of the dispenser cover 22 so that the detergent box 30 Withdrawal is stopped.

In addition, the storage of the detergent box 30, the detergent box 30 is pushed into the inside of the dispenser 20 until the front panel 32 is in close contact with the access hole 12A of the control panel 12. Put it in. At this time, when the detergent box 30 is pushed backward, the detergent box body 31 of the detergent box 30 is inserted into the dispenser 20, and the locking hook (B) is inserted into the insertion hole 12B. 51) is inserted. Then, when the front panel 32 of the detergent box 30 is in close contact with the access hole 12A, the locking hook 51 penetrating the insertion hole 12B is inserted into the insertion groove so that the toggle switch 52 Is locked by).

Therefore, the detergent box 30 is automatically drawn out or stored by the automatic withdrawal mechanism 50 only by pressing the detergent box 30 into the entrance hole 12A of the control panel 12. Not only is the ease of use of 30) improved, but the problem that the detergent box 30 is incompletely drawn out or stored is also eliminated.

On the other hand, the detergent box 30 is pressed out from the dispenser 20 in the state to push the height adjustment projection 36 to the lower side to avoid the state of engagement with the locking jaw (26), the dispenser 20 In the detergent box 30 is to be separated. Therefore, the replacement and washing of the detergent box 30 is performed easily.

7 and 8 illustrate an automatic withdrawal mechanism 100 configured differently from the automatic withdrawal mechanism 50 of the detergent supply mechanism 14 shown in FIGS. 4 to 6. That is, FIG. 7 is a perspective view of the automatic withdrawal mechanism 100 of the detergent supply mechanism in the drum type washing machine according to another embodiment of the present invention, and FIG. 8 is a main part of the automatic withdrawal mechanism 100 shown in FIG. 7. Some incision perspective view.

In FIG. 7 and FIG. 8, the same reference numerals as in the above-described embodiment indicate the same members. Hereinafter, description will be made mainly on the points different from the above-described embodiment.

7 and 8 is different from the automatic dispensing mechanism 50 shown in FIGS. 4 to 6 is different from the automatic dispensing mechanism 50 shown in FIGS. 60).

The damping unit 60 includes a rotary damper 60 mounted to one open side of the housing unit 51 and connected to an end of the rotation shaft 52. A flange 61 having a hole is provided at an outer side of the rotary damper 60 to be fastened and fixed to the housing part 51 by a fastening member 62. However, the rotary damper 60 may be mounted to the housing 51 by a hook, an adhesive, a fusion method, or the like.

In addition, the rotary damper 60 is connected to one end of the rotation shaft 52 passing through the second through hole 51C of the housing part 51. One end of the rotary shaft 52, as shown in the stopper (52A) of Figures 4 to 6 to prevent the separation of the rotation shaft 52, and the stopper connecting portion 64 to which the rotary shaft 63 of the rotary damper 60 is connected ) Is formed. Therefore, since the axial movement of the housing 51 is prevented by the rotary damper 60 and the stopper connecting portion 64, the other end of the rotating shaft 52 passing through the third through hole 51D is shown in FIGS. Unlike the embodiment of FIG. 6, the stopper 52B may be omitted.

When the rotary damper 60 is mounted to the automatic withdrawal mechanism 50 as described above, the withdrawal speed and the storage speed of the detergent box 30 are limited by the damping action of the rotary damper 60, so that the detergent box 30 is provided. Sudden movement is prevented is gently withdrawn or received. Accordingly, since the withdrawal and storage of the detergent box 30 are smoothly and smoothly operated by the rotary damper 60, damage and collision noise of the detergent box 30 due to rapid withdrawal and storage of the detergent box 30 are caused. This is avoided.

9 and 10 illustrate a detergent supply mechanism 114 configured differently from the detergent supply mechanism 14 of the drum type washing machine 1 shown in FIGS. 2 and 3. That is, FIG. 9 is a side view of the detergent box 130 and the dispenser housing 121 in the detergent supply mechanism 114 of the drum type washing machine according to another embodiment of the present invention, and FIG. 10 is a detergent box shown in FIG. 130 is an exploded perspective view showing main parts of the dispenser housing 121.

9 and 10, the same reference numerals as in the above-described embodiment indicate the same members. Hereinafter, description will be made mainly on the points different from the above-described embodiment.

9 is different from the detergent supply mechanism 14 of FIG. 2 in that the detergent supply mechanism 114 of FIG. 9 moves the flange portion 37 of the detergent box 30 in the rolling contact manner on both sides of the dispenser housing 21. It includes a guide mechanism 70 that possibly supports it.

9 and 10, the guide mechanism 70 is disposed on the support frame 71 mounted on the side inner surface of the dispenser housing 21 and on the upper side and the lower side of the flange portion 37, respectively. A pair of rollers 72 and 73 contacted with the support frame 71 interposed therebetween, and a roller connector rotatably connecting the rollers 72 and 73 to the support frame 71, respectively; 74). The guide mechanism 70 is mounted on both inner surfaces of both sides of the dispenser housing 21 to support the flanges 37 formed on both sides of the detergent box 30, respectively. In addition, the guide mechanism 70 may support only one of the upper side and the lower side of the flange portion 37.

The support frame 71 is mounted to the inner surface of the side portion of the dispenser housing 21, the mounting portion 75 is rotatably supported on one side of the roller connector 74, and the upper portion of the mounting portion 75 and It is formed in the lower portion and the other side of the roller connector 74 includes an upper support portion 76 and the lower support portion 77 is rotatably supported. A fastening hole is formed in the mounting portion 75 so as to be fastened by a fastening member 27 to a fastening portion 21C formed at the side of the dispenser housing 21, and one end of the roller connector 74 is rotatably inserted. First shaft holes 75A are formed in the upper and lower portions thereof, respectively. The upper support portion 76 extends horizontally from the top of the mounting portion 75 to the inside of the dispenser housing 21 and is bent downward, and the lower support portion 77 is formed in the mounting portion ( At the lower portion of 75), the inner side of the dispenser housing 21 extends horizontally and is bent upward. At this time, end portions of the upper support portion 76 and the lower support portion 77 are disposed to be spaced apart in the vertical direction at a height at which the flange portion 37 can be inserted. A second shaft hole 75A is formed in the upper support portion 76 and the lower support portion 77 at a portion corresponding to the first shaft hole 75A so that the other end of the roller connector 74 is rotatably inserted.

The rollers 72 and 73 include an upper roller 72 and a lower roller 73 in contact with the upper and lower surfaces of the flange portion 37, and the upper roller 72 and the lower roller 73. The two are spaced apart in the support frame 71 in the moving direction of the flange portion 37. However, two or more upper rollers 72 and lower rollers 73 may be disposed as necessary. On the other hand, the upper and lower surfaces of the flange portion 37, the fitting projection 137 is formed long in the moving direction of the detergent box 30, the fitting projections (137) on the outer peripheral surface of the roller (72) (73) Fitting grooves 72A and 73A are formed.

The roller connector 74 includes a rotation shaft 52 that is fitted through the hole formed in the rotation center of the roller (72) (73). Both ends of the rotating shaft 52 are rotatably fitted into the first shaft hole 75A and the second shaft hole 75B, respectively.

The detergent supply mechanism 14 including the guide mechanism 70 as described above, the flange portion 37 is the roller 72, 73 of the guide mechanism 70 at the time of withdrawal or storage of the detergent box 30. It is supported smoothly and smoothly by rolling contact method. Therefore, when the withdrawal or storage of the detergent box 30, the degradation of sensitivity and the noise caused by the friction action of the detergent box 30 are prevented. In addition, the fitting protrusions 137 formed on the upper and lower surfaces of the flange portion 37 are moved in a state of being fitted into the fitting grooves 72A and 73A formed on the rollers 72 and 73 of the guide mechanism 70. Therefore, the fitting protrusion 39 is caught by the fitting grooves 72A and 73A to prevent left and right movement of the flange portion 37.

As described above, the washing machine according to the present invention has been described with reference to the illustrated drawings, but the present invention is not limited to the above-described embodiments and drawings, and various modifications are possible by those skilled in the art within the technical scope of the present invention. to be. That is, the present invention can be applied not only to a drum-type washing machine but also to a water-type washing machine or a dish washing machine equipped with a detergent box for introducing detergent. In addition, various methods may be applied to the locking mechanism and the damping mechanism of the present invention in addition to the above-described embodiments.

Washing machine according to the present invention, since the detergent box is easily taken out by the automatic withdrawal mechanism when the locking mechanism is released, there is an advantage that the ease of use is improved.

In addition, the withdrawal distance and the storage distance is set by the locking mechanism and the automatic withdrawal mechanism when the withdrawal or storage of the detergent box, there is an advantage that incomplete withdrawal and storage of the detergent box is prevented.

Claims (15)

A dispenser having an opening formed in the front portion thereof; A detergent box disposed movably in the dispenser through the opening and having flange portions formed in both sides along a moving direction; A locking mechanism for locking or releasing the detergent box inserted into the dispenser; Washing machine comprising a wire portion for connecting the dispenser and the detergent box, and the automatic withdrawal mechanism provided with an elastic portion to pull the wire portion by the elastic force in the withdrawal direction of the detergent box when the locking mechanism is released. The method according to claim 1, The automatic withdrawal mechanism includes: a housing unit mounted to one of the dispenser and the detergent box; A rotating shaft rotatably disposed in the housing part and provided with the elastic part between the housing part and elastically rotating in the extraction direction of the detergent box; The washing machine further comprises a reel unit which is disposed on the rotating shaft and winds up a wire unit having an end connected to the other one of the dispenser and the detergent box. The method according to claim 2, The rotating shaft and the reel portion and the elastic portion is disposed in the housing portion, the washing machine formed with a wire entrance to the wire inlet and out on one side. The method according to claim 3, A partition wall part is formed in the housing part so as to partition a space in which the reel part and the elastic part are accommodated, and a through hole is formed in the center of the partition wall part so that the rotating shaft is rotatably penetrated. The method according to claim 2, The elastic unit, washing machine including a spiral spring is connected to one side of the housing portion and the other side is connected to the rotating shaft. The method according to claim 2, An end of the wire unit is detachably connected to a side of the dispenser and the detergent box in which the housing unit is not mounted. The method according to claim 6, Washing machine having a holder that is detachably hooked to the dispenser or detergent box at the end of the wire portion. The method according to claim 7, The housing parts are mounted on both sides of the dispenser, The holder is a washing machine is detachably hooked to the hook portion formed on both sides of the detergent box. The method according to claim 8, The hook portion is formed on the side end of the detergent box, the washing machine is formed with a hook groove is inserted into the holder to prevent the holder from being separated. The method according to claim 2, The automatic withdrawal mechanism further comprises a damping unit for limiting the withdrawal speed of the detergent box. The method according to claim 9, The damping unit, the washing machine including a rotary damper mounted on one side of the opening of the housing portion connected to the end of the rotating shaft. The method according to claim 1, The dispenser includes a locking projection protruding inwardly, The detergent box is a washing machine including a height adjusting projection is formed so that the height is adjusted to a portion corresponding to the locking jaw so as to be caught on the locking jaw when being stored and to be removed from the dispenser to avoid the locking jaw when taking out. The method according to claim 1, The lock mechanism is disposed in the dispenser and the detergent box so that the lock is locked when the detergent box is inserted into the dispenser, and the lock state of the detergent box is released when the detergent box is pressed back into the dispenser. The method according to claim 1, The detergent box is formed along the direction of movement of the flange portion on both sides, The dispenser includes a guide mechanism for supporting the flange portion in a rolling contact manner on both sides. The method according to claim 14, The guide mechanism may include support frames mounted on inner surfaces of both sides of the dispenser; A pair of rollers disposed on the upper side and the lower side of the flange part to be in contact with the support frame therebetween; Washing machine including roller connectors for rotatably connecting the rollers to the support frame, respectively.

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