KR20030037783A - device for opening and closing lid in washing machine - Google Patents

Abstract

PURPOSE: A lid opening apparatus for a washing machine is provided to improve convenience and to output the laundry conveniently by automatically opening a lid with operating a lid opening button without bending the wrist. CONSTITUTION: A washing machine comprises an outer case(1), a top cover(2) formed on the outer case, a lid(4) placed on the top cover, an outer tub and a washing tub(3). A lid opening device of the washing machine is composed of the flexible lid moving along a guide groove on the top cover and moving down along the rear wall of the outer case by bending, a storage part(7) containing the lid in opening the washing tub inside the top cover and the outer case, and a lid driving unit automatically storing the lid in the storage part in opening the washing tub and drawing the lid out of the storage part in closing the washing tub. The convenience is improved by opening the lid of the washing machine easily with operating the button.

Description

Lead opening and closing device for washing machine {device for opening and closing lid in washing machine}

The present invention relates to a washing machine, and more particularly, to a lid opening and closing device of a washing machine in which opening and closing is easy and withdrawal of laundry is easy.

In general, a washing machine is a product that removes various contaminants attached to clothes, bedding, etc. by using the emulsification of detergent, friction action of water flow caused by rotation of the pulsator, and impact action of the pulsator on laundry. Appearing automatic washing machine automatically performs a series of processes leading to washing, rinsing and dehydration without user intervention in the middle.

1 is a perspective view schematically showing the appearance of a general washing machine, and the washing machine is formed as an outer case 1 forming a bottom surface and a side and a top cover 2 provided on an open upper surface of the outer case. The reservoir 1 is supported by a plurality of supports in the interior of the outer case 1, the laundry tank 3 is formed to be rotatable in which the laundry is accommodated in the reservoir tank for washing and dehydration, and the water flow at the inner bottom of the washing tank. A pulsator forming a is connected to the laundry shaft. In addition, a motor (not shown) for selectively rotating the washing tank 3 and the pulsator is installed at one side of the bottom of the reservoir, and a clutch for selectively transmitting rotational force to the washing tank and the pulsator at the center of the bottom of the reservoir. Is installed.

In addition, the top cover 2 is provided with a lid 4 at the upper part of the washing tub 3 so that the user can input and withdraw the laundry, and various electrical appliances are provided at the rear upper part of the top cover 2 to provide the user with the laundry. A control panel 6 is provided which receives the operation and is thus responsible for controlling all parts related to washing.

In the washing machine configured as described above, when a user puts laundry into the washing tank 3 while the lid 4 is opened and inputs washing conditions through the control panel 6, the washing water is opened while the water supply valve is opened to supply the washing water. Up to the set level.

After that, while the motor is driven by the control of the microcomputer, the rotational force is moderately decelerated and transmitted to the pulsator, and the washing proceeds. After the washing is completed, the washing tank 3 rotates at high speed and dehydration is performed. By proceeding, the series of washing process is completed.

On the other hand, the lid 4 has a rear plate 4b whose both ends are rotatably supported up and down within a range of an angle behind the lid 2, and 180 from the end of the rear plate on the front of the rear plate. It consists of a front plate 4a rotatably supported and provided with a handle 5 which the user can mount. At this time, the handle (5) is made of a long groove that is open to the side toward the rear plate (4b) so that the user can hold and lift the hand.

When the user intends to open the lead 4 configured as described above, the user must first lift the hand by putting it in the handle 5 and holding it by folding the wrist. By this operation, the washing tank 3 is opened while the front plate 4a rotates downward and the rear plate 4b rotates upward.

However, in the above-described process, the user must bear the inconvenience of having to bend the wrist twice in order to open the lid 4. That is, the wrist 5 must be bent to attach the handle 5, and the wrist must be bent once more to lift the handle up. This inconvenience occurs because the handle 5 is formed as a groove, and sometimes the operation of bending the wrist can involve a considerable pain for the user.

The present invention has been made to solve the above problems, the object of the present invention is not only to open and close the lead directly when the user performs the opening and closing operation of the lead, but also to inconvenience the need to bend the wrist many times during opening and closing In addition to solving the problem, it is to provide a lid opening and closing device of a washing machine of a new structure that can easily take out the laundry.

1 is a perspective view showing the appearance of a general washing machine

2 is a perspective view showing the appearance of a washing machine according to the present invention;

3 is a cross-sectional view showing the main technical part of FIG.

Figure 4 is a side cross-sectional view schematically showing the lead opening and closing operation of the present invention

Explanation of symbols on the main parts of the drawings

1: Outcase 2: Top cover

3: washing tank 4: lead

400: guide rib 6: control panel

7: Storage unit 8: Lead drive motor

9: Worm 10: Worm Gear

11: Rack 12: lead open button

In order to achieve the above object, according to the present invention, there is provided with an outer case, a top cover provided on the top of the outer case, a lid provided on the top cover, an outer tub and a washing tub provided inside the outer case In a washing machine; A lead having flexibility so as to move along a guide groove formed on the top cover and bend down to move backward along the rear wall surface of the outer case; and when the lid is opened, the inner lid of the top cover and the outer case to receive the lid And a lid driving means for automatically storing the lid when the lid is opened and the lid driving means for automatically exiting the lid when the lid is closed. Lead switchgear.

Therefore, the washing machine according to the present invention can be opened and closed automatically when the user presses the lid opening and closing button, it is possible to provide convenience, such as not need to bend the wrist when opening the lid.

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

First, Figure 2 is a perspective view showing the appearance of the washing machine according to the present invention, Figure 3 is a cross-sectional view showing the main part of Figure 2, Figure 4 is a side cross-sectional view schematically showing the operation of opening and closing the lead of the present invention.

The present invention includes an outer case (1), a top cover (2) provided on the outer case (1), a lead (4) provided on the top cover (2), the inside of the outer case (1) In the washing machine provided with the outer tub and the washing tub (3) provided in; The lid 4 and the washing tank 3 which are flexible to move along the guide groove formed on the top cover 2 and to be folded down and move downward along the rear wall surface of the outer case 1, and open the washing tank 3. An accommodating part 7 provided inside the top cover 2 and the outer case 1 so that the lid 4 is accommodated when the lid 4 is accommodated, and the lid 4 is opened when the lid 3 is opened. And a lid driving means for automatically storing the lid and the lid 4 automatically exiting the housing 7 when the washing tub 3 is closed.

At this time, the lead driving means is fixed to the lead opening and closing button 12 provided on the control panel 6 of the top cover 2, the inner side of the top cover 2 and the lid opening and closing button 12 A lead drive motor 8 to be driven when selected, a worm 9 formed at the end of the shaft connected to the lead drive motor 8, and a worm gear 10 installed to rotate in engagement with the worm 9; The rack 11 is installed to be engaged with the worm gear 10 on one side of the lead 4, and is composed of a rack 11 having a plurality of gear pieces connected to each other so as to be bent.

On the other hand, the inner surface of the top cover 2 is further provided with a guide groove (guide groove 200) for guiding the front and rear movement of the lead, and the guide groove 200 on the opposite side of the rack installation direction of the lead (4) Guiding guide ribs 400 may be formed.

At this time, the guide rib 400 also has the same flexibility as the lid 4, or when not made of a flexible material, as shown in FIG. .

The operation of the present invention configured as described above is as follows.

First, the case where the lid 4 is closed and the lid 4 is opened by opening the lid 3 in the state where the upper portion of the tub 3 is closed will be described.

When the lead open / close button 12 provided on the control panel 6 of the top cover 2 is selected, the lead driving motor 8 installed on one side of the inner side of the top cover 2 is driven in the forward direction.

Accordingly, when the worm 9 provided on the motor shaft rotates, the worm gear 10 meshed with the worm 9 also rotates, and the driving force is applied to the rack 11 engaged with the worm gear 10 in association with the worm gear 10. The lid 4 having the rack 11 installed thereon moves toward the housing 7 (see FIG. 3).

At this time, the lead 4 is a flexible material, the rack 11 attached to the side of the lead 4 is also a connection of gear pieces that can be freely bent within a certain angle range.

Therefore, when the lid 4 moves to the rear of the washing machine and is supported by the rear wall of the top cover 2, the lid 4 is bent downward due to its own weight and flexibility, and then stretched out again into the housing 7 provided behind the outer case 1. Will be stored.

Next, the case where the lid 4 is opened and the lid 4 is closed in the state where the upper portion of the washing tub 3 is opened will be described to close the upper portion of the washing tub 3.

When the lid opening / closing button 12 provided on the control panel 6 of the top cover 2 is selected once more, the lead driving motor 8 installed on one side of the inner side of the top cover 2 is connected to the lid 4. Unlike opening, driving in the reverse direction.

Accordingly, when the worm 9 provided at the tip of the motor shaft rotates, the worm gear 10 engaged with the worm 9 also rotates, and the lead is opened to the rack 11 engaged with the worm gear 10 in conjunction with the worm gear 10. The force that pushes the lid 4 in the opposite direction to the time acts (see Fig. 3).

Therefore, the lid 4 exits the accommodating portion 7 and extends again while bending in the horizontal direction to close the upper portion of the washing tub 3.

When opening and closing the lid 4 as described above, the inner surface of the top cover 2 is provided with a guide groove 200 for guiding the front and rear movement of the lid, the opposite side of the rack installation direction of the lid 4 A guide rib 400 is formed in the guide groove 200 to secure the straightness of the lead 4.

On the other hand, the lead 4 is not made of a flexible material in the above, and similar to the connecting structure of the rack 11 to be made of a plurality of rod pieces of the connection to have a certain flexibility (flexibility), so that the lead 4 When the lead 4 is horizontally moved, the lead 4 is folded and then opened again to be stored in the housing 7, and when the lid 4 is closed, the lid 4 may be released from the housing 7.

On the other hand, the upper surface of the lid 4 may be provided with a handle for manually opening and closing the lid.

As described above, the washing machine lid opening and closing device of the present invention provides convenience for the user since the user can easily open and close the lid 4 only by operating a button without having to open and close the lid 4 hardly by hand. And increase the reliability of the product.

While the present invention has been described with reference to the preferred embodiments, one of ordinary skill in the art to which the present invention pertains can be embodied in a modified embodiment within the essential technical scope of the present invention. Here, the essential technical scope of the present invention is shown in the claims, and the modified forms within the equivalent range will be construed as being included in the present invention.

Lead opening and closing device of the washing machine according to the present invention provides the following effects.

According to the present invention, the lid is automatically opened and closed only by the operation of the lid opening / closing button, so that the user does not need to hold the lid, and in particular, there is no need to suffer operation discomfort such as bending the wrist to open and close the lid. You will be provided.

Claims (4)

What is claimed is: 1. A washing machine comprising an outer case, a top cover provided on an upper portion of the outer case, a lid provided on the top cover, and an outer tub and a washing tub provided inside the outer case; A lead having flexibility so as to move along a guide groove formed on the top cover and bend downward when moved backward and move along the rear wall of the outer case; An accommodating part provided inside the top cover and the outer case to accommodate the lid when the washing tub is opened; Reed opening and closing device of the washing machine characterized in that it comprises a lid driving means for automatically storing the lid when the opening of the washing tank and the lid is automatically exited from the receiving portion when the washing tank is closed. The method of claim 1, The lead driving means, Lead opening and closing button provided on the control panel of the top cover, A lead drive motor which is fixed to one side of the inner side of the top cover and is driven when the lead open / close button is selected; A worm formed at the tip of the shaft connected to the lead drive motor, a worm gear installed to engage the worm, The lid opening and closing device of the washing machine, characterized in that it comprises a rack which is installed to be engaged with the worm gear on one side of the lead is connected to a plurality of gear pieces to be bent. The method according to claim 1 or 2, Reed opening and closing device of the washing machine, characterized in that the lead is made of a flexible material. The method according to claim 1 or 2, The lid is made of a connecting body of a plurality of rod-shaped pieces, the lid opening and closing device of the washing machine, characterized in that the lead is horizontally moved when the lead is opened and then folded again to be flexible to be accommodated in the housing.