KR20000014318A - Fabric softener input device for drum washing machine - Google Patents

Abstract

PURPOSE: The input of a softener is easily performed by improving the structure of a fiber softener input device of a drum washing machine. CONSTITUTION: The fiber softener input device comprises: a front panel(4) installed in front of an outer case(1), and having a softener input hole(2); a fiber softener storing container(7) installed between a water supply hose(5) and a water supply connecting pipe(6) inside the out case(1); a softener input hose(8) to connect the softener input hole with the fiber softener storing container; a solenoid(10) to selectively elevate a rubber packing(9) by connecting in a rubber packing(9) to open and close the entrance of the fiber softener storing container(7); and a space unit(110) to connect with the softener input hole and an input hole open and close button installing slot.

Description

Equipment for feeding softener of drum washing machine

The present invention relates to a fiber softener feeding device of a drum washing machine, and more particularly, to improve the structure of the fiber softener feeding device of the drum washing machine so that the softener can be easily added and the structure thereof can be simplified.

In general, the drum washing method is a method of washing by using a friction between the rotating drum and the laundry by receiving the driving force of the motor in a state in which detergent, washing water and laundry are put in the drum. Don't get tangled with each other, knocking and rubbing can have a laundry effect.

1 is a longitudinal cross-sectional view illustrating a conventional drum washing machine, in which a tub 30 is installed inside the outer case 1, and a drum 18 axially connected to the drum pulley 22 is installed inside the tub 30. do.

In addition, a motor 23 is installed at one side of the tub 30, a motor pulley 24 is axially connected to the motor 23, and a motor pulley 24 connected to the drum pulley 22 and the motor 23. Is connected by a belt 25 which is a power transmission element.

In addition, a door 17 is installed in front of the outer case 1, and a gasket 26 is installed between the door 17 and the tub 30 (Tub).

Meanwhile, a water supply valve 28 connected to the water supply pipe 27 exposed to the outside of the outer case is installed at the upper portion of the tub 30 of the outer case 1, and a water supply hose 5 is provided at the water supply valve 28. Is connected, the front of the tub 30 is connected to the water supply pipe 6 is formed integrally extending from the bottom.

In addition, the fabric softener storage container (7) is installed on the pipeline of the intermediate connecting pipe (20) connecting between the water supply hose (5) and the water supply connecting pipe (6), the panel (4) in front of the outer case (1) There is a softener inlet cover 29 for opening and closing the softener inlet so as to replenish the fabric softener to the reservoir (7) through the softener inlet hose (8).

At this time, when removing the external force holding the input cover in the state in which the fabric softener inlet cover 29 is forcibly opened, the fabric softener inlet is automatically returned to the restoring force of the torsion spring 31.

In addition, the outer side of the passage of the intermediate connecting pipe 20, the rubber packing (9) for opening and closing the opening of the fabric softener storage container (7) forward and backward in the vertical direction so that the wash water flows into or out of the fabric softener storage container (7). Solenoid 10 is installed.

On the other hand, one side of the fiber softener storage container 7 and the inlet side of the water supply connecting pipe 6 of the intermediate connecting pipe 20 is connected by the auxiliary pipe 21 for detergent input.

The process of storing the fabric softener in the conventional drum washing machine configured as described above and the automatic feeding process into the tub 30 during the rinsing stroke are as follows.

Before washing the detergent, the door 17 is opened and directly put into the drum 18. The fabric softener is opened by opening and opening the softener input cover 29, which is opened and closed on the panel 4 on the front of the outer case 1. As it enters through the softener inlet hose (8) to enter into the softener reservoir (7) to stay there once.

In this state, during the washing stroke, the water inlet and the water supply valve 28 connected thereto are opened so that the washing water flows into the tub 30 through the water supply hose 5 and the water supply connection pipe 6. Since the solenoid 10 does not operate, the washing water is not introduced into the fabric softening container 7.

On the other hand, when the washing stroke is completed, the rinsing stroke is progressed and the pressure inside the tub 30 detected by the pressure sensor 19 during the water supply for the last rinse reaches a predetermined pressure or more, the solenoid 10 is The inlet of the storage container 7 is opened as the rubber packing 9 which is operated and mounted on the plunger tip and blocks the inlet of the fabric softening container 7 descends.

Accordingly, some of the washing water is introduced into the tub 30 through the intermediate connecting pipe 20 and the water supply connecting pipe 6 directly connected thereto as described above, and the remaining water through the open inlet of the storage container 7. Tub 30 through the auxiliary pipe (21) and the water supply pipe (6) for connecting the softener container (7) and the intermediate connecting pipe (20) with the fabric softener stored in the fiber softener container (7) and stored therein ) Is introduced into the inside, the fiber softener introduced into the tub 30 has a fiber softening effect during the last rinsing process.

However, such a conventional fabric softener input device has the following problems when trying to inject the fabric softener into the storage container.

First, the fabric softener is poured through the open inlet while the softener inlet cover 29 installed on the panel 4 on the front of the outer case 1 is pulled in. The inlet is located at the front of the outer case 1. As a result, the posture becomes unstable when the fiber softener is added, and thus it is not easy to pour, and thus, the soft fabric that is introduced is likely to leak out of the outer case 1.

In addition, when too strong a force is applied when opening the softener inlet cover 29, there is a problem that the torsion spring 31 is separated and the inlet cover returning device is broken.

The present invention has been made to solve the above problems, and the object of the present invention is to improve the structure of the fiber softener injecting device of the drum washing machine so that the softening agent can be easily made and the structure of the device can be simplified.

1 is a longitudinal sectional view showing a conventional drum washing machine configuration

Figure 2 is a longitudinal sectional view showing the drum washing machine configuration of the present invention

3A and 3B are enlarged detail views of part A of FIG. 2;

Figure 3a is a longitudinal cross-sectional view showing a state in which the softener inlet is closed

Figure 3b is a longitudinal cross-sectional view showing a state in which the softener inlet opening is applied by pressing the button.

Explanation of symbols for main parts of the drawings

1: Out case 2: Softener inlet

3: Entrance opening and closing button installation hole 4: Front panel

5: Water supply hose 6: Water supply connector

7: fabric softener container 8: softener injection hose

9: rubber packing 10: solenoid

11: frame 110: space

111: outlet 12: spring support

13: Compression spring 14: Inlet stopper

140: Stopper 15: Inlet opening and shutting button

16: Baffle 160: through

17: Door 18: Drum

19: pressure sensor 20: intermediate connector

21: Assistant 22: Drum pulley

In order to achieve the above object, the present invention is installed in front of the outer case and the front panel having a softener inlet, and the fabric softener storage tank is installed between the water supply hose and the water supply pipe inside the outer case, the inlet and the fabric softener A fabric softener injector for a drum washing machine having a softener inlet hose for connecting a storage container and a solenoid for selectively elevating the rubber packing, connected to a rubber packing for opening and closing the inlet of the fabric softener storage container; A softener inlet and an inlet opening / closing button installation hole are formed on an upper surface of the front panel, and a space portion communicating with the softener inlet and inlet opening / closing button installation hole is connected to the softener inlet and the inlet opening / closing button installation hole of the front panel and the softener inlet hose. A frame having a softener discharge port is provided, and a cylindrical spring support is installed on the bottom surface of the frame opening and closing button installation hole, and the spring support is compressed by pressing the opening and closing button located at the opening and closing button installation hole. Compression spring is inserted, and the upper end of the compression spring drum, characterized in that the lower end of the stopper and the opening and closing button assembly is coupled to the inlet opening and closing button located in the inlet plug and the opening and closing button installation hole located in the softener inlet Fiber oil in washing machine A softener is provided.

Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. 2 to 3B.

Figure 2 is a longitudinal sectional view showing the drum washing machine configuration of the present invention.

3A and 3B are enlarged detailed views of part A of FIG. 2, and FIG. 3A is a longitudinal cross-sectional view illustrating a state in which the softener inlet is closed, and FIG. 3B is a pressing force applied to the inlet opening / closing button to open the softener inlet. It is a longitudinal cross-sectional view which shows the state.

The present invention is provided with a front panel (4) formed with a softener inlet (2) and inlet opening and closing button installation hole (3) on its upper surface in front of the outer case (1), the water supply hose inside the outer case (1) ( 5) and the softener container 7 is installed between the water supply connection pipe 6, and the softener inlet hose 8 for interconnecting them between the softener inlet 2 and the fiber softener reservoir 7 is installed.

In addition, the solenoid 10 is connected to the rubber packing (9) for opening and closing the inlet of the fabric softener storage container (7) to selectively lift the rubber packing (9).

In addition, the lower portion of the front panel 4 and the periphery of the softener inlet 2 and the inlet opening / closing button installation hole 3 communicate with the softener inlet 2 and the inlet opening / closing button installation hole 3. And a frame 11 having an outlet 111 connected to the softener inlet hose 8, which is integrally formed from the front panel 4, and has a cylindrical shape directly under the inlet opening / closing button installation hole of the frame 11. Spring support 12 is installed, the lower end of the compression spring 13 is inserted into the spring support 12 is supported.

At this time, the inlet opening and closing button 15 located in the inlet opening and closing button installation hole 3 is preferably installed to have a sufficient stroke to fully open the softener inlet (2) when the button is lowered.

In addition, the upper end of the compression spring 13 supported by the spring support 12, the inlet stopper 14 located in the softener inlet 2 and the inlet opening and closing button assembly which is a combination of the inlet opening and closing button 15 The lower end of is combined.

At this time, the inner portion of the frame 11 is divided into a space portion 110 formed inside the frame 11 while the connection portion connecting the softener inlet plug 14 and the inlet opening and closing button 15 penetrates. A baffle 16 having a through hole 160 is installed, and the opening position of the inlet opening / closing button assembly is limited when the inlet opening / closing button assembly is raised by the restoring force of the compression spring 13 on the outer circumferential surface of the inlet stopper 14. The stopper 140 is formed to be in contact with the edge of the softener inlet (2) to form.

On the other hand, instead of being integrally formed with the front panel 4, the frame 11 may be assembled to the front panel 4 as an assembly structure of a hook fastening method or a screw fastening method.

The process of storing the fabric softener in the drum washing machine of the present invention configured as described above and the automatic feeding process into the tub 30 during the rinsing stroke are as follows.

Before washing, the detergent opens the door 17 and directly enters into the drum 18. However, the softener is added through the softener inlet 2 formed on the upper surface of the front panel 4 in front of the outer case 1 It enters into the fabric softener reservoir (7) through the input hose (8) and stays there once.

Here, the opening and closing process of the softener inlet (2) formed on the upper surface of the front panel 4 will be described in more detail.

First, as shown in FIG. 3A, when the softener inlet 2 is closed, the inlet opening / closing button assembly is lowered while the compression spring 13 is compressed by pressing the inlet opening / closing button 15 protruding upward from the front panel 4. Accordingly, the softener inlet 2, which was closed by the inlet stopper 14, is opened as shown in FIG. 3B.

When the softener inlet 2 is opened as described above, the fabric softener is introduced through the softener inlet 2 as shown in FIG. 3B, and is introduced into the inner space 110 of the frame 11 through the softener inlet 2. The fabric softener is introduced into the fabric softener storage container 7 through the softener inlet hose 8 connected to the outlet 111 of the lower part of the frame 11.

At this time, the softener introduced into the space 110 inside the frame 11 is prevented from flowing into the space of the inlet opening and closing button 15 by the baffle 16 dividing the space 110. In addition, the lifting movement of the inlet stopper 14 is accurately guided by the through hole 160 of the baffle 16 through which the connecting portion connecting the inlet stopper 14 and the inlet opening / closing button 15 passes.

On the other hand, if the pressing force applied to the inlet opening and closing button 15 after the addition of the softening agent is completed, the stopper and the opening and closing button assembly is raised by the restoring force of the compression spring 13, so that the inlet plug 14 is softener It will block the inlet (2).

At this time, the stopper 140 of the inlet stopper 14 is in close contact with the edge of the inlet of the front panel (4).

Meanwhile, in the state where the detergent and the softening agent are supplied as described above, when the water supply port and the water supply valve 28 connected thereto are opened during the washing stroke, the washing water is connected to the tub 30 through the water supply hose 5 and the water supply connection pipe 6. ) Flows into the inside, in which case the solenoid 10 does not operate and the washing water is not introduced into the fabric softener storage container 7.

Subsequently, when the washing stroke is completed and the pressure inside the tub 30 detected by the pressure sensor 19 reaches a predetermined pressure or more while the rinsing stroke is performed to supply water for the final rinsing, the solenoid 10 The inlet of the reservoir is opened as the rubber packing 9, which is operated and mounted on the plunger tip and blocks the inlet of the fabric softener reservoir 7, is lowered.

Accordingly, some of the washing water is introduced into the tub 30 through the intermediate connecting pipe 20 and the water supply connecting pipe 6 directly connected to the intermediate connecting pipe 20 as described above, and the rest of the water for the fabric softener. After flowing into the storage container (7) and flows into the tub (30) through the auxiliary pipe 21 and the water supply pipe (6) for connecting the storage container and the intermediate connecting pipe 20 with the stored fiber softener, The fabric softener introduced into the tub 30 has a fiber softening effect during the last rinsing process.

As described above, the present invention is to improve the structure of the fiber softener injecting device of the drum washing machine to be able to inject the softener through the inlet (2) above the front panel (4).

Accordingly, the drum washing machine of the present invention can be made easy to add the fabric softener to improve the reliability of the user's product, the structure of the softener input device is simplified to reduce the assembly time of the product by reducing the number of parts And cost reduction effect can be achieved.

Claims (3)

A front panel installed at the front of the outer case and having a softener inlet, a fabric softener container installed between the water supply hose and the water supply pipe inside the outer case, a softener inlet hose connecting the inlet and the fiber softener container, and the fiber In the fabric softener input device of the washing machine is provided with a solenoid connected to the rubber packing for opening and closing the inlet of the softener storage container to selectively lift the rubber packing; A softener inlet and an inlet opening / closing button installation hole are formed on an upper surface of the front panel, and a space portion communicating with the softener inlet and inlet opening / closing button installation hole is connected to the softener inlet and the inlet opening / closing button installation hole of the front panel and the softener inlet hose. A frame having a softener discharge port is provided, and a cylindrical spring support is installed on the bottom surface of the frame inlet opening and closing button installation hole, and according to the spring support presses the opening and closing button located in the opening and closing button installation hole. Compression spring to be compressed is inserted, the upper end of the compression spring is a softener feeding device of the washing machine, characterized in that the lower end of the inlet assembly coupled to the inlet plug and the inlet opening and closing button located in the softener inlet. The method of claim 1, Inside the frame, there is provided a baffle having a through hole through which a connecting portion connecting the inlet plug and the inlet opening / closing button is formed while dividing the inner space of the frame. The baffle is prevented from flowing into the space of the inlet opening and closing button side of the softener introduced through the softener inlet, and the lifting motion of the inlet stopper is guided accurately by the through hole of the baffle Fabric softener input device. The method of claim 1, On the outer circumferential surface of the inlet plug to open and close the fiber softener inlet, When the stopper and the opening and closing button assembly is raised by the restoring force of the compression spring, the fabric softener input device of the washing machine characterized in that a stopper is formed to limit the rising position of the closure and the opening and closing button assembly.