KR20070002360A - Gasket for drum washing machine - Google Patents

Abstract

A gasket of a drum-type washing machine is provided to prevent the machine from being broken due to contacting impurities such as coins with parts by closing a space formed between the drum and the tub using the second side wall and precluding the impurities from being inserted in the drum. A drum-type washing machine is composed of: a cabinet(1) forming an external appearance of the washing machine; a tub(2) installed in the cabinet to form a water storage tub; a drum(3) rotatably installed in the tub; a door mounted at the front of the cabinet; a gasket placed between the door and the tub so as to prevent the leakage from the tub; a first side wall(904) formed at the rear end of the gasket to the outside of the radial direction; and a second side wall(905) separated with a predetermined interval to the outer radius from the first side wall, wherein the rear end is contacted to the outer peripheral part of the drum. The first side wall is contacted with the front end of the drum.

Description

Gasket for drum washing machine

1 is a cross-sectional view showing a state in which a gasket according to the prior art is mounted on a drum washing machine.

2 is an enlarged view of a portion “A” of FIG. 1;

3 is a cross-sectional view showing a state in which a gasket is mounted on a drum washing machine according to the present invention.

4 is an enlarged view of a portion “B” of FIG. 3;

5 is a cross-sectional view showing another embodiment of the present invention.

Explanation of symbols in the drawings

1: cabinet 2: tub

3: drum 900: gasket

901: Door contact 901a: Cabinet fitting groove

902: plane portion 903: bend portion

904: first side wall 905: second side wall

906: drip groove 907: tub fitting groove

908: Drainage

The present invention relates to a drum washing machine, and more particularly to a door gasket to prevent the washing water to leak in the door direction arbitrarily.

In general, a washing machine is a device that removes dirt or dirty substances from laundry by chemical decomposition and mechanical physics. Among them, a drum washing machine has an overall height that is higher than a pulsator washing machine that rotates with a washing tank standing up. Not only can it be reduced, but the washing capacity can be further increased, and problems such as porosity are rarely generated, and thus the demand is increasing.

Hereinafter, the configuration of a general drum washing machine will be described in detail with reference to FIG. 1.

1 is a cross-sectional view showing a configuration of a general drum washing machine, a drum washing machine installed in the main body 1 by a damper 7 and a spring 6 and rotatably installed in the tub 2. It is largely divided into a cylindrical drum 3 and a driving part 5 axially connected to the drum 3.

The drive unit 5 is composed of a rotor frame 5b and a stator 5a on the rear surface of the tub 2, and in order to transfer the driving force of the rotor frame 5b directly to the drum 3 without a pulley or a belt. The washing shaft 4 rotating together with the drum 3 is directly connected to the rotor frame 5b.

In addition, the front side of the tub (2) is provided with a balance weight (balance weight 11) for preventing the vibration of the drive unit 5 caused by the imbalance of the laundry contained in the washing tank 3 by using a center of gravity do.

On the other hand, the front surface of the main body 1 is provided with a door 8 at a predetermined position so as to correspond to the opening of the drum 3, interposed between the door 8 and the tub (2) from the door (2) A gasket 9 for sealing to prevent leakage to the 8 is provided, and an upper part of the door 8 is provided with a controller 10 for receiving a user's operation command and controlling the operation of the entire washing machine.

The drum washing machine configured as described above has the rotational force of the rotor frame 5b transmitted to the drum 3 through the washing shaft 4, and the laundry is lifted by the baffle 3a while the drum 3 rotates, and then gravity It will fall down by the washing process.

However, the conventional drum washing machine configured as described above has the following problems. This will be described with reference to FIG. 2.

FIG. 2 is an enlarged view of part “A” of FIG. 1 and shows a conventional gasket interposed between a door and a tub of a drum washing machine.

In general, the user inserts the laundry into the drum 3 to perform the washing using the drum washing machine and then applies power to the drum washing machine to perform the washing. In this process, a user frequently performs washing without inadvertently removing foreign matters contained in a laundry bag. In particular, when washing without removing the coins of the laundry, the coins are withdrawn from the laundry to continue to contact the drum (3) to damage the surface of the drum, as well as during high-speed rotation of the drum (3) by dehydration stroke Coins are thrown out of the drum 3 and hit back and forth and then inserted into the drip groove 9a formed at the rear end of the gasket 9. Here, the drip groove 9a is formed of a first side wall 91 extending in an outer radial direction of the gasket 9 and a second side wall 92 spaced apart from the first side wall 91 by a predetermined distance. do. In this case, the second side wall 92 has a shorter length t than the first side wall 91, and a gap is formed between the drum 3 and the second side wall 92.

Here, as the vibration of the washing machine of the drum washing machine is generated, the coins in the drip groove are separated out of the drip groove 9a and fall into the gap formed between the drum 3 and the tub 2 to be drawn into the tub. Things happen. Coins drawn into the tub are moved along the drain pipe (not shown) to contact the drain motor (not shown), thereby damaging the drain motor or hanging on the drain hole (not shown) to prevent the drainage smoothly. It happens.

The present invention has been made to solve the above problems, to improve the structure of the gasket interposed between the tub and the cabinet to prevent the failure of the drum washing machine by preventing foreign substances drawn out from the laundry to enter the electronic parts. have.

In order to achieve the above object, the present invention provides a cabinet for forming an exterior of a drum washing machine, a tub installed inside the cabinet and forming a water tank, a drum rotatably installed in the tub, and installed on the front of the cabinet. In a drum washing machine comprising a door and a gasket interposed between the door and the tub to prevent leakage from the tub, a first side wall is formed radially outward at the rear end of the gasket, and the first side wall. Provided is a gasket of a drum washing machine, characterized in that the end of the second side wall formed to be spaced apart from the outside radius by a predetermined distance from the outer peripheral portion of the drum.

In addition, according to another aspect of the present invention for achieving the above object, a cabinet for forming the appearance of the drum washing machine, a tub installed inside the cabinet and forming a reservoir, a drum rotatably installed in the tub and A drum washing machine including a door installed at the front of the cabinet and a gasket interposed between the door and the tub to prevent leakage from the tub, wherein the rear end of the gasket extends radially outwardly. A first side wall formed in contact with a distal end portion and a second side wall extending in a radial direction at a position spaced apart rearward from the first side wall are provided.

Hereinafter, a gasket of a drum washing machine according to a preferred embodiment of the present invention will be described in detail with reference to FIGS. 3 to 4.

For reference, the configuration of the drum washing machine other than the gasket according to the present invention is denoted by the same reference numerals as the configuration of the drum washing machine shown in FIG.

3 is a cross-sectional view illustrating a state in which a gasket of the present invention is mounted on a drum washing machine, and FIG. 4 is an enlarged view of part “B” of FIG. 3.

As can be seen from FIG. 4, a gasket 900 is interposed between the front cabinet 1 and the tub 2. Here, the gasket 900 includes a door contact portion 901 forming a tip, a plane portion 902 extending rearward from the door contact portion 901, and a bent portion multi-stage bent from an end of the plane portion 902. 903, a first side wall 904 protruding upward from the bent portion 903, and a second side wall 905 forming a drip groove 906 while being spaced a predetermined distance from the first side wall 904. It is configured to include.

Here, the door contact portion 901 up and down at the front end of the gasket 900 so as to mitigate the impact received by the cabinet 1 when closing the door 8 to close the open laundry inlet 31. It is formed having a predetermined width. In addition, a cabinet fitting groove 901a is formed at the bottom rear surface of the door contact portion 901 so that the gasket 900 is fitted into and fixed to the cabinet 1.

On the other hand, the planar portion 902 extending to the rear of the door contact portion 901 forms an inner circumferential surface of the gasket 900 made of a circular, it is preferably formed to be inclined so as to guide the water to the drip groove 906.

In addition, a bent portion 903 is formed below the planar portion 902 so that the cabinet 1 and the tub 2 are cushioned when the door 8 is closed.

In addition, a first side wall 904 formed along the inner surface of the gasket 900 in an outer radial direction at a rear end portion of the gasket 900, and a water reservoir spaced apart from the first side wall 904 by a predetermined distance in an outer radial direction. A second side wall 905 is formed which defines the groove 906. At this time, the drip groove 906 formed by the first side wall 904 and the second side wall 905 is water splashed toward the door 8 through the laundry inlet 31 when the washing water stored in the drum 3 is washed. It serves to allow the discharge to accommodate, so that the drip groove 906 is preferably formed with a drain hole 908 for draining the received water.

On the other hand, the second side wall 905 is formed to have a length (T1) in contact with the outer peripheral portion of the drum (3) to prevent the gap formed between the drum (3) and the tub (2). In addition, a tub fitting groove 907 is formed below the second side wall 905 such that the rear end of the gasket 900 is fitted into the tub 2 and fixed thereto.

On the other hand, all the above components are made of a gasket 900 according to the present invention is preferably made of a rubber material.

Hereinafter, a state and an operation of the gasket of the present invention composed of the above components coupled to the drum washing machine will be described.

First, the cabinet fitting groove 901a formed at the lower end of the gasket 900 is fitted to the end of the front cabinet 1 to fix it. The tub gasket 900 is mounted between the cabinet 1 and the tub 2 of the drum washing machine by inserting and fixing a tub fitting groove 907 formed at the rear end of the gasket 900 at the end of the tub 2. At this time, the second side wall 905 is connected to the outer peripheral portion of the drum 3, and closes the space formed between the tub (2) and the drum (3).

Referring to the operation of the drum washing machine is equipped with a gasket according to the present invention as described above, the laundry is first inserted through the laundry inlet 31, the door 8 is opened.

On the other hand, the laundry is inserted into the drum (3), the power is applied to the drum washing machine and the detergent and washing water is supplied to the drum (3) as the drive motor (5; see Figure 3) is rotated to fix the drum The washing cycle begins with the reverse rotation. At this time, as the drum 3 rotates, the wash water stored in the drum 3 flows and splashes toward the door 8 through the laundry inlet 31, and the wash water is inclined flat portion of the gasket 900. It receives the guide of the 902 and exits to the discharge hole 908 through the drip groove 906.

Here, even if the user does not take out the laundry from the laundry, even if it is thrown out of the laundry inlet 31 by the high-speed rotation of the drum 3 when dehydrating, there is no gap to be introduced into the tub 2, so that the coin may be The drum washing machine does not break in contact with the parts.

The gasket 900 according to the present invention described so far to prevent the introduction of foreign matter into the tub 2 is formed by connecting the second side wall 905 of the gasket 900 to the outer peripheral portion of the drum 3 so as to contact the drum. The gap formed between (3) and the tub (2) was closed.

However, unlike the gasket 900, the first side wall 904 is connected to the front end of the drum 3 even though the second side wall 905 is not connected to the outer circumference of the drum 3. 3) The gap formed between them may be closed.

Referring to Figure 5 describes the structure mounted between the gasket and the tub as follows.

According to another embodiment of the present invention is the same as the configuration of the gasket 900 according to the preferred embodiment of the present invention described above, but the first side wall 904 has a length (T2) to be connected to the front end of the drum (3) It is formed to close the gap formed between the tub (2) and the drum (3).

Meanwhile, all components of the gasket 900 are denoted by the same reference numerals as the components of the gasket 900 illustrated in FIG. 4, and description thereof will be omitted.

Since the first side wall 904 closes the gap formed between the tub 2 and the drum 3 according to the above configuration, the coin bounced out of the drum 3 through the laundry inlet 31 during the washing administration. They prevent entry into the tub 2 and water is received into the drip groove 906 through a small gap between the first side wall 904 and the tip of the drum 3.

While the present invention has been described with reference to preferred embodiments, one of ordinary skill in the art to which the present invention pertains may implement another embodiment of a modified form within the essential scope of the present invention.

Referring to the effect of the drum washing machine gasket according to the present invention as follows.

The space formed between the drum and the tub is closed by the second side wall forming the drip groove so that foreign matters such as coins which are not taken out of the laundry due to user's carelessness cannot be drawn into the tub of the drum washing machine. It is possible to prevent the failure caused by

In addition, since the coin does not occur to block the drain of the drum washing machine can be made smooth washing administration.

Claims (3)

A cabinet forming an exterior of a drum washing machine, a tub installed inside the cabinet, a tub formed in a water tank, a drum rotatably installed in the tub, a door installed in the front of the cabinet, and a leak from the tub. In the drum washing machine comprising a gasket interposed between the door and the tub to prevent, A drum washing machine, wherein a first side wall is formed radially outwardly at a rear end of the gasket, and an end of the second side wall formed to be spaced a predetermined distance apart from the first side wall by an outer radius is connected to an outer circumference of the drum. Gaskets. The method of claim 1, The first side wall is a gasket of the drum washing machine, characterized in that formed in contact with the front end of the drum A cabinet forming an exterior of a drum washing machine, a tub installed inside the cabinet, a tub formed in a water tank, a drum rotatably installed in the tub, a door installed in the front of the cabinet, and a leak from the tub. In the drum washing machine comprising a gasket interposed between the door and the tub to prevent, A first side wall extending radially outwardly at a rear end of the gasket and connected to a distal end of the drum, and a second side wall extending radially at a position spaced a predetermined distance rearwardly from the first side wall; Gaskets for drum washing machines.

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