KR101257703B1 - Drum type washing machine - Google Patents

Abstract

The present invention relates to a drum washing machine having a detergent supplying device for supplying a wash water mixed with detergent to a washing tank, and an object of the present invention is to simplify the configuration of the detergent supplying device so that it is easy to manufacture and reduce manufacturing costs. It is to provide a drum washing machine. The washing machine according to the present invention can simplify the configuration of the detergent supply autonomy by integrally forming the door instead of installing the detergent supply device on the upper front side of the main body, and the laundry supplied to the detergent supply device by the detergent supply device. When the water level rises above a certain level, a discharge means for discharging the detergent dissolved by the washing water is directly supplied to the washing tank, and more specifically, the siphon principle uses the siphon principle to supply the washing water. The present invention relates to a drum washing machine in which the solvent dissolution is improved by delaying the discharge.

Description

Drum Washing Machine {DRUM TYPE WASHING MACHINE}

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

Figure 2 is a perspective view showing a first embodiment of the detergent receiving portion of the drum washing machine according to the present invention.

Figure 3 is an enlarged perspective view showing the discharge means of the detergent receiving unit shown in FIG.

4 is a cross-sectional view illustrating a process of discharging the wash water mixed with detergent by the discharging means of the detergent accommodating part shown in FIG. 2.

5 is a perspective view showing a second embodiment of the detergent receiving portion of the drum washing machine according to the present invention.

                    Description of the Related Art [0002]

                10 ... Main Unit 20 ... Door

                21a ... front window 21b ... rear window

                30 ... washing tank 40 ... corrugated pipe

                50,70 ... Detergent compartment 51,81a ... Discharge means

                51a ... siphon tube 51b ... siphon cap

                51c ... siphon euro 60 ...

                71 ... Laundry detergent compartment 72 ... Softener container

                81 ... Water supply pipe 82 .. Water supply pipe 2

     The present invention relates to a drum washing machine, and more particularly, to a detergent supply device for supplying a detergent dissolved in the washing tank.

     In general, a washing machine is a device for supplying washing water and detergent together inside a washing tank into which laundry is put, and rotating the washing tank by a motor to wash the laundry. One side of the main body of the washing machine together with the washing water in which detergent is supplied. Detergent supply device is provided to be supplied to the inside.

     Korean Laid-Open Patent Publication No. 2003-9847 (published Feb. 5, 2003) discloses a drum washing machine having a detergent supply device for dissolving and adding detergent in a process of supplying wash water.

     The detergent supply apparatus of the drum washing machine includes a box-shaped housing having an opening opening at a front surface thereof, and a detergent container detachably coupled to the inside of the housing through the open front surface of the housing. And the detergent supply device is installed on the upper front portion of the main body to detach the detergent container from the outside of the main body like a drawer.

     In addition, the water supply device for supplying the wash water to the detergent supply device is connected to the external water hose, a plurality of water supply valve to control the water supply, a plurality of water supply pipe connecting the water supply valve and the detergent supply device, and detergent supply device It consists of a connector for guiding the washing water through the washing tank.

     The drum washing machine is to be supplied to the washing tank through the washing water supplied to the washing water supplied to the washing tank is dissolved in the washing water to be supplied to the detergent supply device and then supplied to the washing tank with the washing water.

     However, the detergent supply apparatus of the drum washing machine according to the conventional invention has the following problems.

     First, since the detergent supply device is installed on the upper side of the main body away from the washing tank, a connection pipe for supplying the detergent dissolved in the detergent supplying device into the washing tank must be provided, and the detergent receiving unit can be detached from the outside of the main body in the form of a drawer. Since the container for accommodating the detergent must be separately provided, the structure of the detergent supply device is complicated and the number of parts increases, making manufacturing difficult and having high manufacturing cost.

     Next, the size of the entire washing machine is inevitably increased by the space occupied by the detergent supplying device, thereby causing a problem of being limited in space for installing the washing machine, and allowing the detergent container to be detachable from the outside of the main body in the form of a drawer. Since the handle must be formed in the front of the deterioration there is a problem in appearance aesthetic quality is degraded.

     Lastly, since the detergent container is stored in the detergent container housing, there is a problem that a user can wash the laundry without adding detergent, and furthermore, whether or not all of the detergent added during the washing administration is supplied into the washing tank. There is a problem that cannot be verified by the user.

     The present invention is to solve such problems, an object of the present invention is to first provide a drum washing machine to simplify the structure of the detergent supply device to facilitate the manufacture and to reduce the manufacturing cost.

      Next, to provide a drum washing machine to reduce the size of the washing machine body and improve the aesthetic quality in appearance.

     In addition, it is to provide a drum washing machine that can visually confirm to the user by visually confirming that the detergent is supplied into the washing tank at the time of initial washing water of the washing administration.

     Finally, to improve the dissolving power of the detergent by delaying the discharge of the wash water supplied to the detergent supply device and to supply only the dissolved detergent to the washing tank to provide a drum washing machine that can improve the washing performance.

     The drum washing machine according to the present invention for achieving the above object is provided with an opening having a washing tank therein, a door for opening and closing the opening, a detergent supply device for mixing the detergent and the washing water and supplying the washing tank; In the drum washing machine including a water supply device for supplying the wash water to the detergent supply device, the detergent supply device is a detergent receiving portion recessed a predetermined depth in the lower direction of the door on the upper rear side of the door made of the transparent material It is formed integrally, characterized in that provided with a discharge means for discharging the detergent dissolved by the wash water to the washing tank when the water level of the wash water supplied to the detergent supply device rises above a certain level.

     In addition, the discharge means using a siphon principle, the bottom of the detergent supply device is characterized in that the siphon pipe for communicating with the outside through the detergent supply device, and the siphon cap covering the siphon pipe to form a siphon flow path is installed. It is done.

     In addition, the outlet of the water supply pipe constituting the water supply device is characterized in that connected to the upper side of the corrugated pipe connected between the opening of the main body and the opening of the washing tub to be located above the detergent supply device.

     In addition, according to another embodiment of the present invention, an opening is provided and a washing tank is provided therein, a door for opening and closing the opening, a detergent supply device for mixing laundry water with a detergent and supplying the washing tank to the washing machine, and the detergent supply device. In the washing machine including a water supply device for supplying the washing water, the detergent supply device is integrally formed so as to be recessed a predetermined depth in the lower direction of the door on the upper rear side of the door made of a transparent material, The detergent receiving unit is divided into a plurality of spaces so that the input can be formed, and at least one detergent receiving unit of the plurality of detergent receiving units is characterized in that for supplying the detergent dissolved by the siphon principle to the washing tank.

     Hereinafter, with reference to the accompanying drawings, a washing machine according to a preferred embodiment of the present invention will be described in detail.

     As shown in FIG. 1, the drum washing machine according to the first embodiment of the present invention has a door 20 coupled to the front of the washing machine main body 10 forming the exterior so as to be opened and closed to put laundry therein. It is provided, the operation unit (not shown) for operating the operation of the washing machine is provided on the upper side of the door (20).

     The inside of the main body 10 is provided with a cylindrical washing tub 30 having an opening toward the door 20. The washing tub 30 is provided in a double structure of the fixed tub 31 and the rotating tub 32. Washing water required for washing is stored in the fixing tank 31, the rotating tank 32 is rotatably installed in the interior of the fixing tank 31 to perform the washing.

     A water supply apparatus including a water supply pipe 11 and a water supply control valve 12 for supplying washing water into the fixing tank 31 is installed at an upper portion of the fixing tank 31, and fixed to a lower portion of the fixing tank 31. A drainage device including a drain pipe 13 and a drain pump 14 for draining the wash water of the tank 31 is installed.

     The rotating tub 32 has an opening 32a formed at a position corresponding to the position of the opening 10a of the main body 10 at the front side, and a plurality of through holes 32b formed at the periphery thereof, It is provided with a plurality of lifters (32c) provided on the inner surface so that the rise and fall can be made. The rotating tub 32 is supported by a rotating shaft 15 connected to the center of the rear, the rotating shaft 15 extends through the rear portion of the fixing tank 32 to the rear, the rear of the fixing tank 32 is a rotating shaft ( A drive motor 16 for rotating 15 is installed.

     The driving motor 16 rotates the rotating tub 32 at a low speed to reverse or reverse rotation to perform washing of laundry, and rotates the rotating tub 32 at a high speed to perform dehydration of laundry.

     The opening 31a is formed in the front surface of the fixing tank 31 at the position corresponding to the position of the opening 10a, 32a of the rotating tank 32 and the main body 10, and the opening 31a of the fixing tank 31, Between the openings 10a of the main body 10 are connected to the corrugated pipe 40 of the corrugated pipe shape having elasticity so as to be stretchable in a cylindrical shape.

     The corrugated pipe 40 prevents the wash water from leaking between the opening 31a of the fixing tank 31 and the opening 10a of the main body 10, and because it is stretchable, the rotating tub 32 during the washing stroke or the dehydrating stroke. Do not transmit vibrations or vibrations caused by the rotation of the main body to the main body.

     In addition, the upper side of the corrugated pipe 40 has a connection hole 41 is connected to the outlet 11a of the water supply pipe 11 to supply the washing water to the detergent receiving portion 50 formed integrally with the door 20 to be described later. Is formed.

     As shown in FIGS. 2 and 3, the user opens and closes the opening of the main body 10 through the door 20 from the outside of the main body 10 during the washing operation. The transparent window 21 formed of a transparent material is disposed at the center thereof so that the naked eye can be checked, and the edge portion of the door 20 is formed in a ring shape so that the transparent window 21 can be installed at the center thereof. It includes a door frame 22 to be fixed to the transparent window 22.

     The transparent window 21 has a double structure of a front window 21a installed on the front side of the door 20 and a rear window 21b installed on the rear side of the door 20 so that a hollow part can be formed therebetween. The rear window 21b is formed to protrude in a dome shape from the door frame 21 toward the opening 32a of the rotating tub 32.

     Drum washing machine according to the present invention is a detergent supply device 50 is integrally formed in the door 20, in particular, the rotary bath 32 to supply the detergent dissolved in the detergent supply device 50 directly into the washing tank (30) It is formed integrally with the rear window (21b) of the door 20 protruding in a dome shape toward the opening (32a) of.

     In addition, the detergent supply device 50 is the upper portion of the rear window 21b adjacent to the outlet 11a of the water supply pipe 11 so that the washing water can be more stably supplied from the water supply pipe 11 connected to the upper side of the corrugated pipe 40. Is formed in, is formed to be recessed to a predetermined depth in an open state to accommodate detergent and wash water.

     This is because when the user opens the door 20 and injects laundry into the rotating tub 32 when washing, the detergent is supplied to the detergent supply device 50 provided in the door 20 while the door 20 is opened. In order to be able to input, the detergent introduced into the detergent supply device 50 is dissolved in the wash water to be supplied so that the detergent and the washing water can be supplied directly into the washing tank 30.

     Therefore, the present invention can simplify the configuration of the washing machine because there is no need for a detergent injection device composed of separate parts as in the prior art, and only put detergent in the detergent accommodating portion 50 by opening the door 20 even when the detergent is added. Since the detergent can be easily added. In addition, since the front window 21a, the rear window 21b, and the detergent supply device 50 are transparent, the user can visually check the state in which the detergent is input during washing.

     For this configuration, the rear window 21b is manufactured by injection molding of acrylic resin, commonly called PMMA (Poly Methyl Meta Acrylate). And the detergent receiving portion 40 is molded integrally with the rear window (21b) in the process of manufacturing the rear window (21b). PMMA, which is a kind of acrylic resin, is suitable for molding the rear window 21b having the detergent supply device 50 because of excellent transparency, easy molding of the product through injection, and high heat resistance.

     As shown in FIGS. 3 and 4, the detergent supply device 50 according to the first embodiment includes a discharging means for discharging the detergent injected into the washing water to be discharged into the washing tank 30 after being dissolved in the washing water. 51). The discharge means 51 is a cylindrical siphon tube 51a communicating the inside and outside of the detergent supply device 50 to the bottom of the detergent supply device 50 so that it can be discharged by the siphon action, and the siphon pipe ( The siphon cap 51b written on the siphon tube 51a to form a siphon flow path 52c to be spaced apart from the outer circumferential surface and the upper end of 51a by a predetermined distance, and the outer circumferential surface of the siphon tube 51a and the siphon cap 51b. The inner circumferential surface is spaced at a predetermined interval, and the siphon cap 51b is formed to be inclined radially on the outer circumferential surface of the siphon tube 51a so as to be spaced apart from the bottom surface of the detergent supply device 50 to seat the siphon cap 51b. It is composed of the gap holding ribs (52).

     In the detergent supply according to the first embodiment configured as described above, as the washing water is supplied to the detergent supply device 50 into which the detergent is injected, the detergent is dissolved and the water level of the detergent supply device 50 is increased. When the wash water is discharged through the siphon tube 51a together with the detergent dissolved through the siphon flow path 51c formed between the 51a and the siphon cap 51b, when the water level is lower than the lower end of the siphon cap 51b. Continued until discharged through the siphon pipe (51a). On the other hand, the detergent display unit 53 protruding horizontally is formed on the outer peripheral surface of the siphon cap 51b to display an appropriate amount of detergent to the user.

     In addition, the lower portion of the detergent supply device 50 in the rear window 21a of the door 20 is recessed with a guide 60 for guiding the dissolved detergent and the washing water discharged through the siphon tube 51a into the washing tank. Is formed. The guide portion 60 is recessed so that the upper portion is directed toward the outside of the main body 10, and the lower portion is inclined at a predetermined angle so as to face the washing tank 30 direction, so that the flow rate of the washing water flowing along the guide portion 60 This is increased so that the washing water is evenly supplied into the washing tub 30. More specifically, the upper end 61 of the inclined guide portion is recessed to the front side of the door 20 so that the outlet 51d of the siphon tube 51a is completely exposed to the outside, and the lower end 62 protrudes from the rear window 21b. It is inclined to the surface and is inclined to form a gentle curved portion so that the washing water flows more smoothly. In addition, the width w of the inclined portion is formed to be smaller from the top to the lower side to further increase the flow rate of the wash water flowing along the guide path. More specifically, the width w of the inclined portion 60 gradually decreases downward toward the semicircular shape.

     The inclined portion 60 is integrally formed with the rear window 21b in the process of manufacturing the rear window 21b similarly to the detergent supply device 50.

     On the other hand, Figure 5 shows a detergent supply device 80 according to a second embodiment of the present invention, a plurality of detergent to be introduced into the interior of the detergent supply device 70 according to the second embodiment by type A plurality of detergent accommodating parts 71 and 72 divided into spaces is formed.

     Detergent receiving portion (71, 72) is the middle of the laundry detergent receiving portion 71, the detergent used in the laundry is stored by the partition wall 73 in the middle and the fabric softener receiving portion for storing the fabric softener used for rinsing washing ( 72).

    In general, the laundry detergent used in the present laundry is a powder detergent is used a lot, the fabric softener used in the rinsing laundry is a liquid detergent is used a lot, the rear side of the laundry detergent accommodating portion 71 in which the powder detergent is used (washing tank ( 30) the discharge port 71a is formed so that the dissolved detergent is naturally discharged, and the siphon mechanism 72a to discharge the dissolved detergent by the siphon principle to the fiber softener accommodating portion 72 in which the liquid detergent is used. Is installed.

     In addition, the upper part of the corrugated pipe 40 provided between the opening 31a of the fixing tank 31 and the opening 10a of the main body 10, in order to supply washing water to the respective detergent receiving portions 71 and 72, respectively. Discharge ports to which the water supply pipes 81 and 82 are connected are formed at positions corresponding to the accommodation portions 71 and 72. That is, the first connection hole 41a is formed at a position corresponding to the laundry detergent receiving unit 71 so that the first water supply pipe 81 for supplying the wash water to the laundry detergent receiving unit 71 is connected, and the fabric softener The second connection hole 41b is formed at a position corresponding to the fabric softener accommodating portion 72 so that the second water supply pipe 82 for supplying the wash water to the accommodation portion 72 is connected. Each water supply pipe 81 and 82 is opened and closed by a water supply valve (not shown) controlled by a control unit (not shown).

      In addition, in front of the discharge port 71a formed in the laundry detergent accommodating part 71, a flow for preventing the detergent from flowing down toward the discharge port 71a and delaying the discharge of the washing water to improve the dissolving effect of the detergent. Delayed jaw 71b is provided.

      On the other hand, as shown in Figure 6, in order to prevent the wash water supplied to the laundry detergent accommodating portion 71 overflows into the fabric softener accommodating portion 72, the open upper portion of the fabric softener accommodating portion 72 Detergent accommodation portion cover 90 can be installed. At this time, the detergent receiving portion cover 90 is formed so that the hole 91 is formed in a position corresponding to the second water supply pipe 82, it is configured to pass through the wash water supplied from the second water supply pipe (82).

     Detergent accommodation portion cover 90 may be formed integrally with the detergent supply device 50, it is also possible to install a detachable configuration.

     In the detergent supply according to the second embodiment configured as described above, after the laundry is put into the rotating tub 32 by opening the door 20, the laundry detergent accommodating part 71 of the detergent supply device 70 provided in the door 20 is provided. ) And detergents, such as laundry detergent and fabric softener, are put into the fabric softener accommodating part 72, the door 20 is closed, and the washing machine is operated. The laundry detergent accommodating part 71 is provided through the first water supply pipe 81. ) Into the wash water to dissolve the detergent, and then to the inside of the washing tank 30 through the discharge port (71a). When the washing water mixed with detergent is filled in the fixing tank 31 and water supply is completed, the rotating tank 32 rotates and the washing process is performed.

     After the washing process is completed, the wash water flows into the fabric softener accommodating part 72 through the second water supply pipe 82 to dissolve the fabric softener, and then the detergent and the wash water dissolved through the siphon mechanism 72a are washed together with the washing tank 30. Will be sent inside. When the wash water mixed with the fabric softener is filled in the fixing tank 31 and the water supply is completed, the rinsing process is performed while the rotating tank 32 is rotated. When the rinsing process is completed, the washing process is completed by washing once through the draining process. Here, water is supplied only through the first water supply pipe 81 during the washing process, and water is supplied only through the second water supply pipe 82 during the rinsing process, so that detergent for each process (washing process and rinsing process) is supplied. Opening and closing of the valve (not shown) is programmed.

     Detergent supply device 70 according to the second embodiment is a plurality of detergent receiving portion (71, 72) and the discharge port (71a) for natural discharge of the dissolved detergent, flow delay (71b) and the second water supply pipe ( Except 82), the configuration is the same as that of the first embodiment, and further description thereof will be omitted.

     However, in the second embodiment, the siphon is discharged by the siphon principle in the same manner as the fabric softener accommodating part 72 instead of the outlet 71a for natural discharge of the discharging means of the detergent dissolved in the laundry detergent accommodating part 71. It is also possible to provide the mechanism 72b.

     As described in detail above, the drum washing machine according to the present invention first, by forming the detergent supply unit integrally to the door, there is no need for a conventional drawer-type detergent container or connecting tube, the structure of the detergent supply apparatus than conventional Is simplified to facilitate the manufacture and reduce the manufacturing cost.

     Next, the space occupied by the detergent supply device in the washing machine body is reduced, so that the space is efficiently used, and the size of the washing machine body can be reduced, thereby reducing the space constraint of the washing machine. By being installed inside, there is an effect of improving the aesthetic quality in appearance.

In addition, since the detergent supply unit is integrally provided in the transparent window of the door, the user can visually check the state in which the detergent is injected in the water supply process, thereby providing visual satisfaction to the user.

Finally, by installing a siphon mechanism in the detergent supply device to delay the discharge of the wash water, the dissolving power of the detergent is improved, and the washing power is improved by supplying only the dissolved detergent into the washing tank.

Claims (19)

In the drum washing machine including an opening is provided, the main body having a washing tank installed therein, a door for opening and closing the opening, a detergent supply device for supplying detergent to the laundry tank, and a water supply device for supplying water to the detergent supply device. The detergent supply device is provided in the door, and provided with a discharge means for discharging the detergent dissolved by the water to the washing tank when the water level of the water supplied to the detergent supply device rises above a certain level, The discharge means comprises a siphon tube communicating with the outside through the detergent supply device; And a siphon cap covering the siphon tube to form a siphon flow path. The method of claim 1, The detergent supply device is a drum washing machine, characterized in that formed integrally with the door. 3. The method of claim 2, The discharge means is a drum washing machine, characterized in that for supplying the detergent detergent dissolved using the siphon principle. The method of claim 3, The detergent supply device is a drum washing machine, characterized in that formed on the upper back of the door. 5. The method of claim 4, The detergent supply apparatus is a drum washing machine, characterized in that the predetermined depth in the downward direction of the door in the open state to accommodate the detergent. The method of claim 1, The discharge means is a drum washing machine, characterized in that disposed on the bottom of the detergent supply device. The method of claim 1, The siphon cap is a drum washing machine, characterized in that the detergent display unit for displaying the appropriate amount of detergent to be introduced into the detergent supply device. The method of claim 7, wherein The door washing machine, characterized in that the inclined guide portion for guiding the dissolved detergent discharged from the siphon tube to the washing tank formed in the lower portion of the detergent supply device.  9. The method of claim 8, The outlet of the water supply pipe constituting the water supply device is a drum washing machine, characterized in that it is installed to be located above the detergent supply device. 10. The method of claim 9, A stretchable cylindrical corrugated pipe is connected between the opening of the main body and the opening of the washing tub, the outlet of the water supply pipe is connected to the upper side of the corrugated pipe. The method of claim 1, The door is a drum washing machine, characterized in that made of a transparent material so that the inside of the main body is transparent. A main body having an opening and having a washing tank installed therein, a door for opening and closing the opening, a detergent supply device for mixing laundry water with a detergent and supplying it to the washing tank, and a water supply device for supplying washing water to the detergent supply device. In the washing machine to include, The detergent supply device is integrally formed in the door, and the detergent receiving unit is divided into a plurality of spaces so that detergents can be separately inputted by type, and the siphon is formed in at least one detergent receiving unit of the plurality of detergent receiving units. The detergent dissolved in principle is supplied to the washing tank, At least one detergent receiving part of the plurality of detergent holding part A siphon tube passing through the detergent supply device and communicating with the outside; And a siphon cap covering the siphon tube to form a siphon flow path. The method of claim 12, The detergent supply device is formed on the upper rear of the door, the drum washing machine, characterized in that the predetermined depth in the lower direction of the door in an open state to accommodate the detergent. The method of claim 12, The siphon tube and the siphon cap is a drum washing machine, characterized in that disposed on the bottom of the detergent receiving portion. The method of claim 14,  The detergent supply apparatus drum washing machine, characterized in that the detergent receiving portion cover is formed with a hole covering the open upper portion of the detergent receiving portion. The method of claim 14, The detergent container cover is a drum washing machine, characterized in that installed in the detergent container for supplying the detergent dissolved in the siphon principle to the washing tank.  The method of claim 14, The door washing machine, characterized in that the inclined guide portion for guiding the detergent dissolved in the detergent supply device to the washing tank formed in the lower portion of the detergent supply device. The method of claim 12, The door is a drum washing machine, characterized in that made of a transparent material so that the inside of the main body is transparent. delete

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