KR101332863B1 - Washing machine - Google Patents

Abstract

Disclosed is a washing machine that can be easily equipped with a spray device for spraying water in the form of particulates into a washing tank. The washing machine is equipped with a water tank, a washing tank installed in the tank, a detergent supply device installed at the top of the tank, an injector mounted on the detergent supply device for spraying particulate water into the washing tank, and a hooking device. It includes a locking device provided in the detergent supply device and the injection device so that.

Description

Washing machine {WASHING MACHINE}

1 is a cross-sectional view showing the internal configuration of a washing machine according to the present invention.

Figure 2 is a perspective view showing an exploded state of the detergent supply device and the injection device of FIG.

Figure 3 is a perspective view showing a state in which the detergent supply device and the injection device of FIG.

Explanation of symbols on the main parts of the drawings

10: body, 11: tank,

12: washing tub, 13: pulsator,

17: water supply device, 18: detergent supply device,

19: drainage, 20: drive,

21: power train, 22: drive motor,

30: injector, 40: catch,

41: the first projection, 42: the second projection,

43: first jamming groove, 44: second jamming groove,

47: first departure preventing portion, 48: second departure preventing portion.

The present invention relates to a washing machine, and more particularly to a washing machine having a spray device for spraying water in the form of particulates to the laundry.

In general, a washing machine is a device for washing a laundry by rotating a washing tank or a pulsator while stirring laundry in a washing tank and stirring the laundry and the washing water. Such a washing machine typically completes washing by performing a washing stroke in which laundry is immersed in a washing water in which detergent is added, a rinsing stroke in which the laundry is rinsed with clear water, and a dehydration stroke in which the water of the laundry is removed.

On the other hand, some of these washing machines are equipped with a spray device for spraying water in the form of particulates into the washing tank. By dispensing the water in the form of particulates into the washing tank at the beginning of the washing process, it is easy to dissolve the detergent, or by spraying the water in the form of particulates at the beginning of the rinsing cycle to remove the foam of the laundry to enhance the rinsing effect. In this washing machine, the injection device is coupled by fastening screws to the lower surface or the side of the detergent supply device at the top of the tank.

However, such a washing machine is cumbersome and complicated to install the injector because a plurality of fixing screws must be fastened when the injector is combined.

The present invention is to solve such a problem, it is an object of the present invention to provide a washing machine that can be easily mounted injector.

Washing machine according to the present invention for achieving this object is equipped with a water tank, a washing tank installed in the tank, a detergent supply apparatus installed on the upper tank, and the detergent supply apparatus for spraying water in the form of particulates into the washing tank. It characterized in that it comprises an injection device, and the locking device provided in the detergent supply device and the injection device so that the injection device can be mounted by hooking.

In addition, the locking device is provided in the detergent supply device for preventing the separation of the locking projection provided in the injection device, the locking groove provided in the detergent supply device so that the locking projection enters and caught, and the locking projection entering the locking groove. And it characterized in that it comprises a departure prevention portion elastically deformed.

In addition, the separation prevention portion is characterized in that it comprises a hook-type locking portion for engaging by engaging the end of the locking projection.

In addition, the locking projections include first and second locking projections protruding in a flat form, respectively, from both sides of the injector, and the locking grooves are provided at both sides of the detergent supply device so that the first and second locking projections respectively enter and slide in a sliding manner. And first and second locking grooves respectively formed in the first and second protrusion ribs protruding from the first and second protrusion ribs, respectively, wherein the release preventing part is provided on both sides of the detergent supply device adjacent to the first and second locking grooves, respectively. And a second departure preventing unit.

In addition, the first and the second escape prevention portion is characterized in that it comprises a hook-type locking portion for engaging the first and second locking projection end to bind.

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

As shown in FIG. 1, the washing machine according to the present invention includes a water tank 11 installed inside the main body 10, a washing tank 11 installed in the water tank 11, a pulsator 13 installed in the washing tank 11, And a driving device 20 for driving the washing tub 12 and the pulsator 13.

The main body 10 includes a laundry inlet 14 for inserting laundry in an upper portion thereof, and a door 15 that can be opened and closed is installed in the laundry inlet 14. The water tank 11 is cushionedly supported in the main body 10 by a plurality of suspensions 16 coupled to the lower side of the cylindrical shape with an open top. The plurality of suspensions 16 are each upper end is coupled to the inner upper portion of the main body 10 and each lower end is coupled to the lower periphery of the water tank (11).

The washing tank 12 has a cylindrical shape with an open top, and has a plurality of dehydration holes 12a formed around the washing tank 12 and is rotatably installed in the water tank 11. The washing tub 12 may dehydrate the laundry contained therein while rotating at a high speed by receiving the power of the driving device 20 during the dehydration stroke.

The pulsator 13 is rotatably installed inside the washing tank 12. The pulsator 13 performs washing by stirring the laundry and the washing water in the washing tank 12 while rotating in the forward or reverse direction by receiving the power of the driving device 20 during the washing operation.

The driving device 20 includes a power transmission device 21 installed in the lower center portion of the water tank 11 and a driving motor 22 for driving the power transmission device 21. The power transmission device 21 may receive the power of the driving motor 22 to rotate the washing tank 12 and the pulsator 13 simultaneously or selectively. Although not shown in detail in the drawings, the power transmission device 21 includes a clutch mechanism for controlling power and a braking device for braking the washing tub 12 when necessary. The power of the drive motor 22 is transmitted to the power transmission device 21 by the belt 23 and the pulleys 21a and 22a. The driving device 20 may rotate the pulsator 13 at a low speed in a state in which the washing tank 12 is braked at the time of washing, and at the same time, the washing tank 12 and the pulsator 13 are rotated at the same time at high speed. You can.

A water supply device 17 for supplying the washing water into the water tank 11 and a detergent supply device 18 for supplying detergent in the water supply process is installed at the upper part of the water tank 11, and the water tank 11 is provided under the water tank 11. A drainage device 19 for draining the wash water of (11) is provided.

The water supply device 17 includes at least one water supply valve 17a for controlling water supply and at least one water supply pipe 17b for connecting the water supply valve 17a and the detergent supply device 18.

Detergent supply device 18 includes a case (18a), and a detergent container (not shown) mounted in the drawer type on the case (18a). This configuration is such that the water supplied through the water supply pipe 17b is supplied to the detergent container inside the case 18a to dissolve the detergent, and the water in which the detergent is dissolved can be supplied into the water tank 11. will be. In the process of watering the tank (11) is to be able to supply a detergent with water.

The drainage device 19 includes a drain valve 19a installed at the bottom of the water tank 11 and a drain pipe 19b connected to the drain valve 19a for guiding the wash water to the outside. This allows the washing water of the water tank 11 to be drained through the drain pipe 19b when the drain valve 19a is opened.

The lower surface of the detergent supply device 18 above the water tank 11 is provided with an injection device 30 for injecting water in the form of particulates into the washing tank 12. As shown in FIG. 2, the injector 30 is provided with an inlet port 31 through which water is introduced, and first and second provided on both sides of the lower surface to spray the water introduced therein into the washing tank 12. Two injection nozzles 32 and 33 are provided. As shown in FIG. 1, a separate water supply pipe 17c connected to the water supply valve 17a is connected to the inlet port 31 of the injector 30.

The injector 30 sprays the water in the form of particulates into the washing tank 12 before the initial washing administration water supply so that the detergent sprayed on the laundry can be dissolved. This allows the user to easily dissolve the detergent by spraying water before water supply to wet the detergent and the laundry in advance in consideration of the case where the user directly put the detergent into the washing tank 12. In addition, the injection device 30 may increase the rinsing effect by spraying the water in the form of particles into the washing tank 12 at the beginning of the rinsing stroke to remove the foam of the laundry and dilute the detergent component of the laundry.

2 and 3, the injector 30 is mounted in a manner of being hooked under the case 18a of the detergent supply device 18. For this coupling, a locking device 40 is provided at the lower portion of the case 18a of the injection device 30 and the detergent supply device 18 so as to be fitted to each other.

In the locking device 40, the first locking projections 41, the second locking projections 42, and the first and second locking projections 41 and 42, respectively provided on both sides of the injection device 30, enter the sliding method. The first catching grooves 43 and the second catching grooves 44 are provided on both sides of the detergent supply device case 18a so as to be caught. In addition, the locking device 40 is the first and second locking grooves 43 and 44 to prevent the first and second locking projections 41 and 42 from entering the first and second locking grooves 43 and 44. ) And first and second departure preventing parts 47 and 48 provided on both sides of the case 18a at positions adjacent to each other.

The first and second locking projections 41 and 42 extend in a flat form from both sides of the injector 30. In addition, the first locking protrusion 41 and the second locking protrusion 42 are provided with reinforcing ribs 41a and 42a to reinforce rigidity, respectively.

The first and second locking grooves 43 and 44 are formed in the first and second protruding ribs 45 and 46, respectively, protruding from both sides of the lower surface of the case 18a of the detergent supply device 18, respectively. The first and second locking grooves 43 and 44 are formed long in the front-rear direction so that the first and second locking protrusions 41 and 42 can enter and be caught when the injector 30 is moved from the rear to the front. The rear is open respectively.

The first and second departure preventing parts 47 and 48 are located at the rear of the first and second locking grooves 43 and 44, respectively, and the first and second departure preventing parts 47 and 48 respectively enter the first and second locking grooves 43 and 44. The rear ends of the second engaging projections 41 and 42 are engaged, respectively, to prevent the first and second engaging projections 41 and 42 from being separated. The first and second departure prevention parts 47 and 48 include hook type locking parts 47a and 48a, respectively, capable of elastic deformation.

The following describes how to mount the injector to the bottom of the detergent supply.

When the injector 30 is mounted, the first and second catching protrusions 41 and 42 on both sides of the injector 30 are disposed in the detergent supply station while the injector 30 is positioned below the detergent supply device 18. The first and second locking grooves 43 and 44 of the tooth 18 are slidably entered. In this way, the first and second locking projections 41 and 42 are caught by the first and second locking grooves 43 and 44, respectively, so that the injection device 30 does not fall downward. In addition, the first and second locking projections 41 and 42 do not separate from the rear side because the rear ends are engaged by the first and second release preventing portions 47 and 48. Therefore, the injection device 30 remains tightly bound to the detergent supply device 18 unless the user exerts external force.

As described above in detail, the washing machine according to the present invention can be mounted in a manner of hanging by inserting the injection device for spraying water into the washing tank by using the locking device in the detergent supply device, without having to fasten a separate fixing screw or the like. There is an effect that can easily mount the injection device.

Claims (5)

A washing machine including a water tank, a washing tank installed in the water tank, a detergent supplying device installed above the water tank, and a spraying device mounted to the detergent supplying device to spray water in the form of particulates into the washing tank. It includes a locking device provided to be mounted by hanging the injection device, The locking device is a washing machine, characterized in that it comprises a locking groove provided in the detergent supply device and the locking projection provided in the injection device. The method of claim 1, The locking groove is provided so that the locking projection enters and is caught, The locking device is a washing machine, characterized in that provided in the detergent supply device for preventing the separation of the locking projections entered into the locking groove and includes a separation preventing portion elastically deformed. 3. The method of claim 2, The separation prevention unit is a washing machine, characterized in that it comprises a hook-type locking portion for engaging by engaging the end of the locking projection. 3. The method of claim 2, The locking projections include first and second locking projections protruding in a flat form from both sides of the injector, respectively. The locking groove includes first and second locking grooves respectively formed on the first and second protrusion ribs protruding from both sides of the detergent supply device so that the first and second locking protrusions enter and slide in a sliding manner, respectively. And the separation prevention part includes first and second departure prevention parts respectively provided on both sides of the detergent supply device adjacent to the first and second locking grooves. 5. The method of claim 4, The first and second release preventing unit washing machine, characterized in that it comprises a hook-type locking portion for engaging by binding the first and second locking projection end, respectively.

Images