KR102204254B1 - Washing machine having automatically opening door - Google Patents

Abstract

According to an embodiment of the present invention, a dishwasher with an automatically opening door comprises: an upper member in which a first space for storing and washing dishes inside is formed; a lower member in which a second space for storing an operation circuit, which generates an operation signal for washing the dishes and an end signal for ending washing when a washing time is completed, is formed; a handle which is connected to both sides of the upper member through a connecting member and is arranged to surround a front surface, a back surface, and the both sides of the upper member; an electric motor which is electrically connected to the operation circuit and protrudes from a back surface of the lower member by penetrating the back surface of the lower member; and a string which allows one side to be connected to a rotating unit of the electric motor and allows the other side to be connected to a back surface unit of the handle. When the washing time is completed, the one side of the string is wound on the rotating unit of the electric motor as the rotating unit of the electric motor is rotated by the end signal generated in the operation circuit, and the upper member moves upwards and the first space is exposed to the outside as the one side of the string is wound on the rotating unit of the electric motor and the back surface unit of the handle descends.

Description

Dishwasher with automatic door opening {WASHING MACHINE HAVING AUTOMATICALLY OPENING DOOR}

The present invention relates to a dishwasher that automatically opens a door, and more particularly, to a dishwasher that automatically opens and closes a door through a handle connected to the door and rotation of an electric motor installed in the dishwasher.

A dishwasher is a device for automatically washing dishes such as used dishes, and since the dishes are automatically washed, the user's convenience is improved, and in recent years, the spread is spreading.

A general dishwasher 1000 will be described with reference to FIG. 1 as follows.

Referring to FIG. 1, the dishwasher 1000 includes handles connected to both sides of the upper member 100 through the upper member 100, the lower member 200, the connection member 500, and the connection member 500. 300), and a buffer member 400 connecting the rear portion of the handle 300 to the rear portion of the lower member 200.

The upper member 100 may have a first space in which dishes are accommodated.

The lower member 200 may have a second space in which an operation circuit for operating the dishwasher is accommodated. The operation circuit may generate an operation signal for washing dishes and an end signal for terminating washing when the washing time is completed.

The handle 300 is disposed in a shape surrounding the front, rear, and both sides of the upper member 100 on a plane, and may be supported by the connection member 500 and the buffer member 400.

The connection member 500 may be moved so that the handle 300 can be supported as the handle 300 moves.

The buffer member 400 is made of an elastic member such as a spring, and as the rear portion of the handle 300 moves up and down, a tension supporting the handle 300 is adjusted to support the rear portion of the handle 300.

In general, when the washing time of the dishwasher 1000 is completed, the user of the dishwasher 1000 directly moves the handle 300 to expose the first space to the outside to collect the washed dishes. Opening the door (upper member 100) by moving 300 is not only cumbersome due to a lot of force, but also after washing is completed, the door (upper member 100) cannot be opened or the door (upper member ( If the operation of opening 100)) is delayed, there may also be a problem in that the completion of washing is delayed because the dishes are not dried naturally.

In this specification, a dishwasher that automatically opens a door to improve this problem will be described.

[Prior literature]

Registered patent 10-1275022

The present invention relates to a dishwasher that automatically opens a door, and more particularly, to a dishwasher that automatically opens and closes a door through a handle connected to the door and rotation of an electric motor installed in the dishwasher.

In a dishwasher with a door automatically opened according to an embodiment of the present invention, an upper member in which a first space is formed in which dishes are stored and washed, an operation signal for washing dishes, and washing ends when the washing time is completed. A lower member in which a second space in which an operation circuit for generating an operation circuit for generating an end signal is received, is connected to both sides of the upper member through a connection member, and surrounds the front, rear, and both sides of the upper member A handle disposed as a handle, an electric motor electrically connected to the operation circuit, penetrating through the rear surface of the lower member, protruding from the rear surface of the lower member, and one side connected to the rotating part of the electric motor, and the other side It includes a string connected to the rear portion of the handle, and when the cleaning time is completed, as the rotating part of the electric motor rotates by the end signal generated by the operation circuit, one side of the string is the rotating part of the electric motor. Is wound on, and one side of the string is wound on the rotating portion of the electric motor, and as the rear portion of the handle is lowered, the upper member moves upward to expose the first space to the outside.

The dishwasher in which the door automatically opens according to an embodiment of the present invention includes a switching button, is connected to the operation circuit to control the operation of the operation circuit, and penetrates the rear surface of the upper member, A switching element protruding from the rear surface is further included, and when one side of the string is wound on the rotating portion of the electric motor and the rear portion of the handle is lowered, the rear portion of the handle is operated as the button of the switching element is pressed. The electrical connection between the circuit and the electric motor is cut off.

In a dishwasher with a door automatically opened according to another embodiment of the present invention, an upper member having a first space in which dishes are stored and washed, an operation signal for washing dishes, and washing when the washing time is completed. A lower member in which a second space in which an operation circuit for generating an ending end signal is received, is connected to both sides of the upper member through a connection member, and surrounds the front, rear, and both sides of the upper member. A handle disposed in a form, a first receiving member mounted on the rear surface of the handle, and connected to a pair of first supports and the pair of first supports and disposed between the pair of first supports , A second accommodating member including an electric motor mounted on the rear surface of the lower member and having a nut structure penetrating inwardly, and one side is coupled to the nut of the first accommodating member, and the other side is the It includes a bolt that is coupled with a nut structure formed in the electric motor, and when the cleaning time is completed, the bolt is rotated by the rotation unit of the electric motor by the end signal generated by the operation circuit. It rotates in engagement with the nut structure and moves downward, and as the rear portion of the handle is lowered by the bolt moving downward, the upper member moves upward to expose the first space to the outside.

The nut of the first accommodating member is connected to the protruding pins formed on each of the pair of first supports to rotate around the extension direction of the protruding pins of the first support, and the second accommodating member Further comprising a pair of second supports and a motor support plate connected to the pair of second supports and disposed between the pair of second supports, the motor support plate is formed with a through hole vertically penetrating, the motor The electric motor is mounted on the lower surface of the support plate, the through hole and the hole formed by the nut structure of the electric motor overlap, and the motor support plate is connected to the protruding pins formed on each of the pair of second supports Of the protruding pin of the second support

The dishwasher in which the door automatically opens according to another embodiment of the present invention includes a switching button, is connected to the operation circuit to control the operation of the operation circuit, and penetrates the rear surface of the upper member, and the upper member The operation circuit and the electric motor further include a switching element protruding from the rear of the handle, and when the rear portion of the handle is lowered by the bolt moving downward, the rear portion of the handle presses the button of the switching element. While the electrical connection is cut off and dishes are being washed, the nut of the first receiving member and the motor support plate are parallel to the ground, and when the washing time is completed, the nut of the first receiving member and the motor support plate are The protrusion pins of the first support and the protrusion pins of the second support are rotated in an extension direction to form an acute angle with the ground.

In the present invention, when the washing time is completed through an electric motor mounted on the rear side of the lower member and a string connected to the electric motor, the door of the dishwasher may be opened automatically by operating the electric motor.

In addition, in the present invention, when the door is automatically opened, the rear part of the handle presses the button of the switching element, so that the electric signal transmitted to the motor is blocked, a safety accident that may occur as the electric signal is continuously supplied to the motor. Can be prevented in advance.

1 is a perspective view illustrating the structure of a conventional dishwasher.
2 is a rear view of the dishwasher according to an embodiment of the present invention.
3 is a side view of a dishwasher according to an embodiment of the present invention.
4 is a block diagram for explaining the operating principle of the electric motor of the present invention.
5 is a rear view of a dishwasher according to another embodiment of the present invention.
6 is a side view of the dishwasher with a door closed according to another exemplary embodiment of the present invention.
7A is an enlarged view of part A of FIG. 6.
7B is an enlarged view of part B of FIG. 6.
8 is a side view of a dishwasher with a door open according to another exemplary embodiment of the present invention.
9A is an enlarged view of portion A'of FIG. 8.
9B is an enlarged view of portion B'of FIG. 8.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily implement the present invention. However, the present invention may be implemented in various different forms and is not limited to the embodiments described herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and similar reference numerals are assigned to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected" to another part, this includes not only "directly connected" but also "electrically connected" with another element interposed therebetween. . In addition, when a part "includes" a certain component, it means that other components may be further included rather than excluding other components unless specifically stated to the contrary. Refer to the accompanying drawings. Hereinafter, the present invention will be described in detail.

2 is a rear view of the dishwasher 1000 according to an embodiment of the present invention, FIG. 3 is a side view of the dishwasher 1000 according to an embodiment of the present invention, and FIG. 4 is an electric motor of the present invention ( 110) is a block diagram for explaining the operation principle.

2 to 4, the dishwasher 1000 according to an embodiment of the present invention further includes an electric motor 110 and a string 110 in the conventional dishwasher 1000 shown in FIG. 1. I can.

The electric motor may be electrically connected to the operation circuit 701 described above. The electric motor may penetrate through the rear surface of the lower member 200 and protrude from the rear surface of the lower member 200.

One side of the string 110 may be connected to the rotating part of the electric motor 110 and the other side may be connected to the rear part of the handle 300. That is, the string 110 may connect the rotating part of the electric motor 110 and the rear part of the handle 300.

The operation circuit 701 may generate the same signal. When an operation signal is generated by the operation circuit 701, a washing unit provided in the upper member 100 may wash dishes in the first space for a set time in response to the operation signal.

The operation circuit 701 may generate an end signal. In more detail, when the set time elapses, that is, when the washing time is completed, the operation circuit 701 generates an end signal, and the rotating part of the electric motor 110 may rotate by the generated end signal. , One side of the string 110 connected to the rotating part of the electric motor 110 may be wound on the rotating part of the electric motor. When one side of the string 110 is wound on the rotating portion of the electric motor, the rear portion of the handle 300 may be lowered by the tension of the string 110. As the rear portion of the handle 300 descends, the front portion of the handle 300 rises, and ultimately, the upper member 100 moves upward so that the first space may be exposed to the outside.

As described above, in the present invention, when the washing time is completed through the electric motor 110 mounted on the rear side of the lower member 200 and the string 110 connected to the electric motor 110, the electric motor 110 is operated to operate the dishwasher. The door of 1000 (the upper member 100) can be opened automatically.

The dishwasher 1000 according to an embodiment of the present invention may include a switching button, and may further include a switching element 130 connected to the operation circuit 701 to control the operation of the operation circuit 701. The switching element 130 may penetrate through the rear surface of the upper member 100 and protrude from the rear surface of the upper member 100.

The switching element 130 may be electrically connected to the operation circuit 701 and the electric motor 110 to switch electrical connection between the operation circuit 701 and the electric motor 110.

The switching element 130 is electrically connected between the operation circuit 701 and the electric motor 110 when the switching button is not pressed, and the operation circuit 701 and the electric motor 110 when the switching button is pressed. This can be blocked.

As described above, when one side of the string 110 is wound on the rotating portion of the electric motor 110 and the rear portion of the handle 300 is lowered, the rear portion of the handle 300 presses the switching button of the switching element 130. And, as the rear portion of the handle 300 presses the button of the switching element 130, the electrical connection between the operation circuit 701 and the electric motor 110 is cut off, so that the rotating portion of the electric motor 110 stops rotational motion. do.

That is, in the present invention, when the door (upper member 100) is automatically opened, the rear portion of the handle 300 presses the button of the switching element 130, so that the electric signal (termination signal) transmitted to the motor is blocked. Accordingly, it is possible to prevent a safety accident that may occur as the electric signal is continuously supplied to the motor.

5 is a rear view of the dishwasher 1000' according to another embodiment of the present invention, and FIG. 6 is a side view of the dishwasher 1000' with a door closed according to another embodiment of the present invention. , FIG. 7A is an enlarged view of part A of FIG. 6, FIG. 7B is an enlarged view of part B of FIG. 6, and FIG. 8 is a dishwasher in an open state according to another embodiment of the present invention. 1000′), FIG. 9A is an enlarged view of portion A′ of FIG. 8, and FIG. 9B is an enlarged view of portion B′ of FIG. 8.

In FIGS. 4 to 9B, a description of a configuration overlapping with the dishwasher 1000 described in FIG. 2 will be omitted, and an additional configuration will be described below.

4 to 9B, the dishwasher 1000 ′ according to another embodiment of the present invention may include a first accommodating member S1, a second accommodating member S2, and a bolt 260. .

The first accommodating member S1 includes a pair of first supports 220 and a nut 210 connected to the pair of first supports 220 and disposed between the pair of first supports 220. I can.

In more detail, the nut 210 of the first accommodating member S1 may be connected to a protruding pin formed on each of the pair of first supports 220, and the protruding pin of the first support 220 It can rotate with the extension direction as an axis. That is, the angle of the opening of the nut 210 of the first accommodating member S1 may be changed.

The second accommodating member S2 may include a pair of second supports 240, a motor support plate 250, and an electric motor 230.

The motor support plate 250 may be connected to the pair of second supports 240 and may be disposed between the pair of second supports 240. In more detail, the motor support plate 250 is connected to the protruding pins formed on each of the pair of second supports 240 to perform rotational movement based on the extension direction of the protruding pins of the second support 240 as an axis. have.

The electric motor 230 may be an electric motor 230 that is mounted on the rear surface of the lower member 200 and has a nut structure having an upper and lower penetrating therethrough. In other words, unlike the rotating part of the electric motor 230 described in FIG. 2, the rotating part of the electric motor 230 in FIG. 5 may have a nut structure that penetrates up and down in a form provided inside rather than protruding outward. have.

The motor support plate 250 may have through holes penetrating vertically, and the electric motor 230 may be mounted on the lower surface of the motor support plate 250. The through hole of the motor support plate 250 and the hole formed by the nut structure of the electric motor 230 may overlap. Since the electric motor 230 is mounted on the lower surface of the motor support plate 250, the position (angle with respect to the ground) may be changed according to the rotational movement of the motor support plate 250. In the present invention, it has been described that the electric motor 230 is mounted on the lower surface of the motor support plate 250, but the electric motor 230 may be mounted on the upper surface of the motor support plate 250.

One side of the bolt 260 may be coupled with the nut 210 of the first receiving member S1 and the other side of the bolt 260 may be coupled with a nut structure formed on the electric motor 230.

Hereinafter, a process of opening a door (upper member 100) of another dishwasher 1000 ′ according to another embodiment of the present invention will be described by means of components added in FIG. 5.

When the washing time of the dishwasher 1000 ′ is completed, the rotating part of the electric motor 230 may rotate (first direction) by an end signal generated by the operation circuit 701. As the rotating part of the electric motor rotates in the first direction, the bolt 260 rotates in engagement with the nut structure of the electric motor 230 and can be moved downward, and the handle 300 by the bolt 260 moving downward. As the rear portion of the lower portion of the upper member 100 moves upward, the first space may be exposed to the outside.

On the contrary, when the dishwasher 1000 ′ starts washing, the rotation of the electric motor 230 according to the operation signal generated by the operation circuit 701 is opposite to the rotational direction of the rotational unit with respect to the previous end signal (second direction). ) To rotate. As the rotating part of the electric motor 230 rotates in the second direction, the bolt 260 rotates in engagement with the nut structure of the electric motor 230 and can be moved upward, and a handle by the bolt 260 moving upward As the rear portion of the 300 rises, the upper member 100 moves downward, so that the first space may be closed. That is, the door (upper member 100) may be closed.

As described above, in another embodiment of the present invention, the bolt 260 rotates downward or upward by the electric motor 230 operating in response to the end signal to lower or raise the rear portion of the handle 300, and accordingly The member 100 may be moved upward or downward so that the door (the upper member 100) of the dishwasher 1000 ′ may be automatically opened and closed.

The nut 210 and the motor support plate 250 of the first accommodating member S1 may rotate as described above. In more detail, while the dishes are being washed, the bolt 260 is in a state in which the bolt 260 is moved upward. As shown in FIGS. 6 and 7A, the nut 210 of the first receiving member S1 is It may be positioned at a predetermined acute angle with the ground, and as shown in FIGS. 6 and 7B, the motor support plate 250 may be positioned at an angle or parallel to the ground. When the door is automatically opened after washing of the dishes is finished, the bolt 260 is moved downward. As shown in FIGS. 8 and 9A, the nut 210 of the first receiving member S1 May be positioned at an angle close to or parallel to the ground, and the motor support plate 250 may be positioned at a predetermined acute angle with the ground as shown in FIGS. 8 and 9B. As an example of the present invention, the predetermined acute angle may be about 5 degrees.

This is because the handle 300 moves around the connection member 500 and the rear part and the front part move, so when the rear part moves from the upper side to the lower side, it does not descend in a direction perpendicular to the ground, while approaching the rear side of the upper member 100 It is caused by descending.

Therefore, as mentioned above, the nut 210 of the first accommodating member S1 and the motor support plate 250 on which the electric motor 230 is mounted are not fixed and should be designed to enable rotational movement.

The above-described embodiments are for illustrative purposes only, and those of ordinary skill in the art to which the above-described embodiments belong can easily transform into other specific forms without changing the technical idea or essential features of the above-described embodiments. You can understand. Therefore, it should be understood that the above-described embodiments are illustrative and non-limiting in all respects. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as being distributed may also be implemented in a combined form.

The scope to be protected through the present specification is indicated by the claims to be described later rather than the detailed description, and should be interpreted as including all changes or modified forms derived from the meaning and scope of the claims and the concept of equivalents thereof.

100: upper member 130: switching element
110: electric motor 200: lower member
120: string 300: handle

Claims (5)

delete delete An upper member having a first space in which dishes are accommodated and washed;
A lower member having a second space in which an operation signal for washing dishes and an operation circuit for generating an end signal for terminating washing when the washing time is completed;
A handle connected to both sides of the upper member through a connection member and disposed in a shape surrounding the front, rear, and both sides of the upper member;
A first accommodating member mounted on a rear surface of the handle and including a pair of first supports and a nut connected to the pair of first supports and disposed between the pair of first supports;
A second accommodating member mounted on a rear surface of the lower member and including an electric motor having a nut structure passing through the upper and lower sides thereof; And
One side is coupled to the nut of the first receiving member, the other side includes a bolt coupled to the nut structure formed in the electric motor,
When the cleaning time is completed, as the rotating part of the electric motor rotates by the end signal generated by the operation circuit, the bolt rotates in engagement with the nut structure of the electric motor and moves downward, and moves downward. As the rear portion of the handle is lowered by the bolt, the upper member moves upward to expose the first space to the outside, and the door opens automatically,
The rotating part of the electric motor is not protruded and exposed to the outside, and the rotating part of the electric motor is provided inside the electric motor,
The nut of the first accommodating member is connected to the protruding pins formed on each of the pair of first supports to rotate around the extending direction of the protruding pins of the first support,
The second accommodating member further includes a pair of second supports and a motor support plate connected to the pair of second supports and disposed between the pair of second supports,
The motor support plate has a through hole penetrating up and down, the electric motor is mounted on the lower surface of the motor support plate, and the through hole and the hole formed by the nut structure of the electric motor overlap,
The motor support plate is connected to the protruding pins formed on each of the pair of second supports and rotates about an extension direction of the protruding pins of the second support. delete The method of claim 3,
A switching element comprising a switching button, connected to the operation circuit to control the operation of the operation circuit, and penetrating through the rear surface of the upper member and protruding from the rear surface of the upper member,
When the rear portion of the handle is lowered by the bolt moving downward, the electric connection between the operation circuit and the electric motor is cut off as the rear portion of the handle presses the button of the switching element,
While dishes are being washed, the nut of the first accommodating member and the motor support plate are parallel to the ground, and when the washing time is completed, the nut of the first accommodating member and the motor support plate are connected to the protruding pin of the first support. A dishwasher that automatically opens a door, characterized in that the protrusion pins of the second support are rotated in an extension direction to form an acute angle with the ground.

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