KR102207654B1 - Operating device for pop-up sliding type door of drum washer - Google Patents

Abstract

According to the present invention, disclosed is a pop-up sliding type opening and closing device for a drum washing machine door, in which an inlet is formed on the front of a cabinet for a wheelchair user to put laundry into and out of a washing tub, and a door for opening and closing the inlet is provided, and when the door is pressed once, the closed (locked) state is released and opened, and when the door is pressed again, the pop-up sliding type opening and closing device for the drum washing machine door is closed while changing to the locked state.

Description

Pop-up sliding type door of drum washing machine {OPERATING DEVICE FOR POP-UP SLIDING TYPE DOOR OF DRUM WASHER}

The present invention relates to a drum washing machine for a wheelchair user, and more particularly, a drum washing machine of a method in which the door of the drum washing machine is pressed once and the door of the washing machine is pressed once to release the closed (locked) state and is opened, and when pressed again, it changes to a locked state and is closed. It relates to a pop-up sliding opening and closing device for a door.

Washing machines use washing water and detergent to separate and remove contaminants from laundry through chemical decomposition and mechanical impact of the inner basket, and are classified into agitation type, vortex type and drum type according to the washing method. .

Agitated washing machines impact laundry by generating water flow by rotating the laundry rod in the center of the washing tank left and right, and vortex washing machines impact laundry by generating water flow by rotating the pulsator at the bottom of the rotating tank left and right. Washing is performed by giving the laundry, and a drum-type washing machine lifts and drops the laundry with a lift formed on the inner circumferential surface of the drum, thereby impacting the laundry.

In general, agitation-type washing machines and vortex-type washing machines are a top-loading method in which laundry is placed in a washing tub upward, and a drum-type washing machine is a front-loading method in which laundry is placed in a washing tub forward.

Among them, drum-type washing machines are widely used because they can reduce the amount of water used compared to agitation-type or vortex-type washing machines, and minimize damage to fabrics by preventing tangling of laundry.

In general, drum-type washing machines have an inlet in front of the main body (Cabinet) to insert and remove laundry into and out of the washing tank, and a door that can open and close it is attached with a hinge joint, and a door lock to keep the door closed. (door lock) is installed.

In addition, a window made of transparent material is formed in the middle of the door so that the laundry in the washing tub can be seen, and in order to prevent the laundry from getting caught in the gap between the door and the drum, and to secure watertightness, it is convex in the inside of the washing machine body. It is formed in a protruding shape.

However, since the conventional drum-type washing machine door is opened and closed in a way that the washing machine is opened and closed, the door does not open completely if the installation place of the washing machine is narrow, and the convex window portion is located at the laundry inlet, causing interference when the user inserts or removes laundry, making it inconvenient to use There is a problem.

To solve this problem, a drum washing machine that can be opened and closed while moving the door in the vertical direction has been proposed.

For example, in Patent Document 1, as shown in FIG. 1, a cabinet 10 having an opening 11 formed on the front surface to allow access to laundry, a door 30 for opening and closing the opening 11 of the cabinet 10, and , A vertical guide mechanism 40 for guiding the upper end of the door 30 to move up and down along the front of the front cover 15, and a door support mechanism 50 for supporting the door 30 to open in a horizontal direction And a drum washing machine including an automatic opening and closing operation mechanism 60 for automatically lifting and opening the door 30 is disclosed.

However, such a drum washing machine is very cumbersome and inconvenient to use because the door 30 has to protrude while lying obliquely in the front, because wheelchair users must step back or move to one side when the door 30 is opened. There are limitations.

The background technology or the prior art described herein is information possessed by the present inventors or acquired in the process of deriving the present invention, and is only intended to help understand the technical significance of the present invention. It should be noted that it does not mean a technique widely known in the field, and in addition, reference numerals in the prior art are mutually independent of reference numerals in the present invention.

KR10-0600762 B1 (2006.07.06) KR10-0673444 B1 (2007.01.17) KR10-0673445 B1 (2007.01.17) KR10-0680203 B1(2007.02.01) KR10-2012-0073585 A(2012.07.05)

Accordingly, the inventors of the present invention have the idea of solving the technical limitations and problems of the existing drum washing machine while comprehensively considering the above-described matters, and the wheelchair user can conveniently use it in proximity while sitting in a wheelchair regardless of height, In addition, in order to develop a drum washing machine of a new structure that can achieve the effect of avoiding the need to move backwards or move to one side so as not to interfere with the opening and closing of the door, the present invention as a result of continuous research. Was created.

Accordingly, it is a technical problem and object to be solved by the present invention to provide a pop-up sliding opening and closing device for a drum washing machine door that allows a wheelchair user to use the door without having to step back or move away when opening and closing the door.

Herein, the technical problems and objects to be solved by the present invention are not limited to the technical problems and objects mentioned above, and other technical problems and objects not mentioned will be clearly understood by those skilled in the art from the following description.

A specific means according to an aspect of the present invention for achieving the above-described object and solving the technical problem is that an inlet through which laundry can be put into and out of a washing tub is formed on the front of a cabinet, and the inlet port It is installed in a drum washing machine including a door for opening and closing the cabinet, and is built in the upper portion of the cabinet, a tappet is formed on a central axis, and at least one lobe is formed on the outer periphery of the tappet. A latch having a lobe formed at the front end of the lobe and a stopper at the rear end thereof, and a spring that acts to push the door to the unlocked state by elastic deformation. (spring), a spring bearing that supports the other end of the spring and supports the latch and the spring to rotate, and is built in the upper part of the cabinet adjacent to the latch, and the cam surface At least one stop groove and a curved surface guiding the latch to rotate at the same time as it slides are formed on a surface facing the lobe, and a cam follower guide to which the lobe is selectively inserted It is formed, a hollow tube-shaped guide sleeve having a plurality of guide grooves formed around the inner circumference, sliding from the inside of the guide sleeve back and forth according to the rotation and back and forth movement of the latch, and on a surface facing the cam surface of the latch At least one release is formed in which the lobe is engaged with the lobe and rotated while pushing the latch according to the pressing operation, and the tip of the lobe is inserted into the stop groove to release the jammed state, and is inserted into the guide groove around the outer circumference to rotate A lever having a plurality of anti-rotation protrusions formed thereon, a caterpillar track that is fixed to the front end of the lever and moves up and down while rotating a wheel, and a caterpillar track vertically installed on the door, and the caterpillar track It proposes a pop-up sliding opening and closing device for a drum washing machine door, characterized in that it employs, including a rack slide for lifting and fixing the door by engaging with the belt of.

Accordingly, the present invention can be conveniently used in proximity to a wheelchair user while sitting in a wheelchair without the need to move backwards or move to one side so as not to interfere with opening and closing of the door.

In addition, as a preferred embodiment of the present invention, a lip for preventing separation of the caterpillar track is integrally formed on the edge of the rack slide, and the lip is fitted in the longitudinal direction on both sides of the caterpillar track. A rail grooved can be formed that allows slipping without deviating.

In addition, in a preferred embodiment of the present invention, the tappet is formed longer than the front end of the lobe, and is formed to fit the tappet on a central axis of a surface facing the tappet among the levers, and the latch A tappet guide may be formed to induce a stable back and forth movement of the.

In addition, as a preferred embodiment of the present invention, the periphery of the inlet in the front of the cabinet is gradually widened from the top to the bottom, and the door is formed to be inclined obliquely, and the door is raised and lowered along the inclined slope of the cabinet. It is mounted so that the lower part of the door among the front of the cabinet forms a space for the knee of the user sitting in the wheelchair, so that the wheelchair user sits upright toward the front of the washing machine without the inconvenience of turning the upper body or the wheelchair. It can be used conveniently.

In addition, as a preferred embodiment of the present invention, a push button indicating a pressing position of the door may be formed on the front of the door.

An aspect of the present invention equipped with means and configurations for achieving the above object and solving the technical problem is that the door is pressed once to release the closed (locked) state and opened, and when pressed again, the locked state Since the door is closed while changing to, and the door is opened and closed according to the operation of pushing the door up or down, the wheelchair user can conveniently use the door while sitting in the wheelchair without having to step back or move away.

In addition, since there is a space in the lower part of the cabinet into the knee of the user sitting in the wheelchair, the wheelchair user can conveniently use it by being close to the state of sitting upright toward the front of the washing machine without the inconvenience of turning the upper body or the wheelchair.

Here, the effects of the present invention are not limited to the above-mentioned effects, and other effects that are not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a perspective view showing an example of a drum washing machine according to the prior art.
2 is a perspective view showing a pop-up sliding opening and closing device for a drum washing machine door according to an embodiment of the present invention.
3 is an exploded perspective view showing some of the components of a pop-up sliding type opening and closing device for a drum washing machine door according to an embodiment of the present invention.
4 is a partial cross-sectional view showing an operating state of a pop-up sliding type opening and closing device for a drum washing machine door according to an embodiment of the present invention.
5 is a perspective view showing an open state of a door of a drum washing machine to which a pop-up sliding opening and closing device for a drum washing machine door according to an embodiment of the present invention is applied.
6 is a side view showing a locked state of the pop-up sliding opening and closing device for a door of a washing machine according to an embodiment of the present invention.
7 is a side view showing an operation state before unlocking the pop-up sliding opening and closing device for a drum washing machine door according to an embodiment of the present invention.
8 is a side view showing an unlocked state of a pop-up sliding opening and closing device for a drum washing machine door according to an embodiment of the present invention.
9 is a side view showing an operation state before locking of the pop-up sliding-type opening and closing device for a drum washing machine door according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

Prior to this, the terms to be described later are defined in consideration of functions in the present invention, and this should be interpreted as a concept conforming to the technical idea of the present invention and a meaning commonly or commonly recognized in the art.

In addition, when it is determined that a detailed description of known functions or configurations related to the present invention may obscure the subject matter of the present invention, a detailed description thereof will be omitted.

Herein, the accompanying drawings are partially exaggerated or simplified for explanation of the configuration and operation of the technology, and for convenience and clarity of understanding, and it is understood that each component does not exactly match the actual size and shape.

In addition, in the present specification, the term and/or means a combination of a plurality of related items or any item among a plurality of related items, and when a certain part includes a certain element, it is a particularly opposite description. Unless there is no other component is not excluded, it means that other components can be further included.

That is, it means that the features, numbers, steps, actions, components, parts, or combinations of these described in the present specification exist, and one or more other features or numbers, step-action components, parts, or a combination thereof It is to be understood that they do not exclude the possibility of their existence or addition.

In addition, each step may occur differently from the stated order unless a specific order is clearly stated in the context. That is, each of the steps may occur in the same order as specified, may be performed substantially simultaneously, or may be performed in the reverse order.

In addition, the meaning of the terms "unit" and "unit" refers to a unit or a module type that processes at least one function or a certain operation desired in the system, which is hardware or software, or a combination of hardware and software. It may be implemented as a device or assembly capable of performing an independent operation or means through the like.

In addition, terms such as top, bottom, top, bottom, or top, bottom, top, bottom, front and rear, left and right are used for convenience to distinguish the relative positions of each component. For example, the upper part on the drawing may be named or referred to as the upper part and the lower part as the lower part, the length direction as the front-rear direction, and the width direction as the left-right direction.

Also, terms such as first and second may be used to describe various components. That is, terms such as first and second may be used only for the purpose of distinguishing one component from another component. For example, a first component may be referred to as a second component without departing from the protection scope of the present invention, and a second component may also be referred to as a first component.

As shown in Figs. 2 to 5, the pop-up sliding opening and closing device for a drum washing machine door according to an embodiment of the present invention includes an inlet 11 through which laundry can be put into and out of the washing tub 20 in the front of the cabinet 10. It is formed and is installed in a pair of left and right in a drum washing machine having a structure in which the door 30 opens and closes the inlet 11, and is largely a latch 40, a spring 50, a spring bearing 60, and a guide sleeve 70 , A lever 80, a caterpillar track 90 and a rack slide 100.

The latch 40 is built in the upper part of the cabinet 10 and moves back and forth according to the operation of pressing the door 30. On the central axis, the latch 40 is inserted into the tappet guide 83 of the lever 80 to induce a stable forward and backward movement. A cylindrical tappet 41 is formed.

In addition, a pair of lobes 42 that are selectively fitted into the stop groove 71 of the guide sleeve 70 or the cam flow guide 73 are formed asymmetrically on a part of the outer circumference of the tappet 41, and A cam surface 43 for converting a reciprocating motion into a rotational motion is formed at the tip end of the 42.

That is, the tappet 41 is formed longer than the tip end of the lobe 42.

In addition, a stopper 44 is integrally formed at the rear end of the latch 40 to prevent the spring bearing 60 from being released or separated from it.

The spring 50 serves to push the door 30 to the unlocked state by elastic deformation, and is located between the spring bearing 60 and the guide sleeve 70, and one end thereof is the latch 40 The other end is fixed to the spring bearing (60).

That is, the spring 50 is elastically compressed by an external force generated when the door 30 is pressed once by pressing the door 30 by an elastic action, so that the lobe 42 of the latch 40 is moved to the stop groove 71 of the guide sleeve 70. ), and when the door 30 is pressed once again, the lobe 42 of the latch 40 is released from the stop groove 71 of the guide sleeve 70 due to an elastic action when the door 30 is pressed again. It serves to move forward by pushing along the guide (73).

Here, as the spring 50, it is preferable to use a compression coil spring that generates a restoring force in a direction opposite to the force acting from the outside, but is not limited thereto, and the same as the coil spring by an elastic restoring force such as elastic rubber. Anything that has a working effect may be used.

The spring bearing 60 is fixed inside the cabinet 10 to support the other end of the spring 50 and to support the latch 40 and the spring 50 so that they can rotate and reciprocate.

That is, a bearing metal that rotates smoothly while supporting the latch 40 is fitted in the hole of the spring bearing 60, and the other end of the spring 50 is fixed to the bearing metal, and the bearing metal The latch 40 is positioned to be movable back and forth on the inner surface (hole) of the.

The guide sleeve 70 is made of a hollow tubular shape in order to induce a reciprocating movement of the latch 40 and the lever 80 back and forth, and to allow the lever 80 to operate without rotating even when the latch 40 is rotated. It is fixed inside the cabinet 10 adjacent to ).

In other words, a pair of stop grooves 71, through which the tip of the lobe 42 is fitted, are asymmetrical on the edge of the surface facing the cam surface 43 of the latch 40 of the guide sleeve 70. And a pair of curved surfaces 72 guiding the latch 40 to rotate at the same time as it slides, is formed asymmetrically with respect to its central axis.

In addition, the stop groove 71 and the curved surface 72 are formed in a shape corresponding to the cam surface 43 of the lobe 42.

And a pair of cam flow guides 73, which are selectively fitted according to the rotation of the lobe 42, are formed symmetrically,

In addition, a plurality of guide grooves 74 are radially arranged around the inner circumference of the guide sleeve 70 to guide the lever 80 to reciprocate back and forth without rotating.

The lever 80 is mounted to push the latch 40 according to the pressing operation of the door 30 and to slide back and forth from the inside of the guide sleeve 70 according to the rotation of the latch 40 and the back and forth movement.

And on the rear surface of the lever 80, that is, the surface facing the cam surface 43 of the latch 40, the lobe 42 is engaged with the lobe 42 according to the pressing operation of the door 30 and rotates while pushing the latch 40. A plurality of releases 81 are radially arranged to release the jammed state by fitting the tip of the guide sleeve 70 into the stop groove 71 of the guide sleeve 70.

In addition, the outer circumference of the lever 80 is inserted into the guide groove 74 of the guide sleeve 70 to allow the lever 80 to slide smoothly along the length direction of the guide sleeve 70 without rotating. Prevention protrusions 82 are formed in a radial arrangement.

In addition, a tappet guide 83 into which the tappet 41 is fitted is formed on a central axis of a surface of the lever 80 facing the tappet 41.

That is, the tappet guide 83 is formed in a hole shape having an inner diameter slightly larger than the diameter of the tappet 41 in order to stably induce the back and forth movement of the latch 40.

The caterpillar track 90 serves to keep the door 30 from being pushed by itself and rotates so that the door 30 can be raised or lowered when it receives an external force, and the belt 91 having irregularities in the tread part is a wheel. It consists of a structure that moves up and down while turning 92 in a caterpillar manner, and is fixed to the tip of the lever 80.

In addition, rail grooves 93 are formed on both sides of the caterpillar track 90 so that the lip 101 of the rack slide 100 is fitted in the vertical direction so as to slide without leaving.

The rack slide 100 is vertically installed on the door 30 to elevate and fix the door 30, and is a serrated in a straight and flat channel having a constant length so as to mesh with the belt 91 of the caterpillar track 90. Unevenness is formed.

In addition, a lip 101 for preventing separation of the caterpillar track 90 is integrally formed at the edge of the rack slide 100.

Here, the circumference of the inlet 11 in the front of the cabinet 10 is formed of an inclined surface 12 that is gradually wider and inclined from the top to the bottom, and the door 30 is inclined to the cabinet 10. It is mounted so as to elevate along the inclined surface 12.

In addition, the lower part of the door 30 of the front of the cabinet 10 has a space in which the knee of a user sitting in a wheelchair enters.

In addition, a pop-up on the front of the door 30, that is, when pressing the door 30 once, the closed state is released, and when pressing the door 30 once again, the push button 31 is positioned at the same height as the lever 80 so that the closing operation is facilitated. ) Is formed.

The main operation and operation principle of the pop-up sliding opening and closing device for a drum washing machine door according to an embodiment of the present invention configured as described above will be described as follows.

First, as shown in FIG. 6, in the locked state of the door 30, the front end of the lobe 42 of the latch 40 is inserted into the stop groove 71 of the guide sleeve 70, so that the door 30 is a cabinet ( The inlet 11 of 10) is kept closed.

At this time, the spring 50 maintains a compressed state because the latch 40 moves to the rear of the spring bearing 60 and presses it.

In this state, as shown in FIG. 7, when the door 30 is changed to the unlocked state, the push button 31 of the door 30 is pressed once and the caterpillar track 90 and the rack slide 100 are interposed. Since the lever 80 connected to the furnace door 30 slightly moves the latch 40 to the rear, the tip of the lobe 42 of the latch 40 is separated from the stop groove 71 of the guide sleeve 70. .

That is, when pressing the door 30 once, the release 81 formed at the rear end of the lever 80 is in close contact with a part of the cam surface 43 of the lobe 42, and the latch 40 slightly moves backward, In this case, the tip of the lobe 42 comes out from the stop groove 71 of the guide sleeve 70, and the cam surface 43 is positioned parallel to the curved surface 72 of the guide sleeve 70, so that the state before unlocking is do.

At this time, as shown in Fig. 8, the spring 50 pushes the latch 40 forward by an elastic action, and the cam surface 43 of the lobe 42 is mutually with the curved surface 72 of the guide sleeve 70. The cam surface 43 of the lobe 42 naturally slides along the curved surface 72 of the guide sleeve 70 due to the shape that is not angular and smoothly bent while having a corresponding inclination angle, and at the same time, the spring 50 is a spring bearing ( 60) rotates at a certain angle.

In this case, as the lobe 42 of the latch 40 is guided along the cam flow guide 73 of the guide sleeve 70, contact interference is released, so that a part of the cam surface 43 at the tip thereof is released from the lever 80. ) To move a certain distance to push the door 30 forward.

At this time, since the rotation preventing protrusion 82 of the lever 80 is guided by being inserted into the guide groove 74 of the guide sleeve 70, it can slide naturally without rotating.

In this state, as shown in Fig. 9, the lever 80 returns the latch 40 to its original position by pressing the door 30 again as shown in FIG. 9, and the lever 80 is pushed by the elastic action of the spring 50. By naturally rotating in the opposite direction, the tip of the lobe 42 of the latch 40 is inserted into the stop groove 71 of the guide sleeve 70 to maintain a locked state.

On the other hand, as shown in FIG. 8, when the door 30 is pushed and raised by hand while the door 30 is pushed out of the cabinet 10, the rack slide 100 is raised according to the guide of the caterpillar track 90. Thus, the door 30 is opened.

Thereafter, when the door 30 is lowered by hand, the rack slide 100 descends according to the guidance of the caterpillar track 90, and is closed by pressing the door 30 in this state.

Therefore, when a wheelchair user opens and closes the door 30, there is no need to step back or move away, and it can be conveniently used by being in close proximity while sitting in a wheelchair.

On the other hand, the present invention is not limited by the above-described embodiments and the accompanying drawings, and can be variously modified and applied in various ways not illustrated without departing from the technical spirit of the present invention. It is obvious to those of ordinary skill in the art that substitutions and other equivalent examples may be applied widely.

Therefore, the content related to the modification and application of the technical features of the present invention should be interpreted as being included within the spirit and scope of the present invention.

10: cabinet 11: slot
20: washing tank 30: door
40: latch 41: tappet
42: lobe 43: cam surface
44: stopper 50: spring
60: spring bearing 70: guide sleeve
71: stop groove 72: curved surface
73: cam flow guide 74: guide groove
80: lever 81: release
82: anti-rotation protrusion 83: tappet guide
90: caterpillar track 91: belt
92: wheel 93: rail groove
100: rack slide 101: lip

Claims (6)

It is installed in a drum washing machine including a door for opening and closing the inlet, and an inlet port for putting and removing laundry into a washing tank is formed in the front of the cabinet,
It is built in the upper part of the cabinet, a tappet is formed on the central axis, at least one lobe is formed on the outer periphery of the tappet, and a cam surface is formed at the front end of the lobe, and a stopper is formed at the rear end. A formed latch;
A spring having one end fixed to the latch and acting to push the door into an unlocked state by elastic deformation;
A spring bearing built in the upper part of the cabinet, supporting the other end of the spring and supporting the latch and the spring to rotate;
At least one stop groove fixed in the interior of the cabinet adjacent to the latch, the tip of the lobe is fitted to a surface facing the cam surface, and a curved surface guiding the latch to rotate while sliding is formed A hollow tube-shaped guide sleeve having a cam follower guide into which the lobe is selectively fitted, and having a plurality of guide grooves formed around the inner periphery;
The front end of the lobe is slid back and forth from the inside of the guide sleeve according to the rotation and back-and-forth movement of the latch, and is engaged with the lobe according to a pressing operation of the door on a surface facing the cam surface of the latch and rotates while pushing the latch. A lever having at least one release formed by being inserted into the stop groove to release the jammed state, and having a plurality of rotation-preventing protrusions fitted in the guide groove around the outer periphery to prevent rotation;
A caterpillar track fixed to the front end of the lever and moving up and down while the belt rotates the wheel; And
A rack slide installed vertically on the door and engaged with the belt of the caterpillar track to lift and fix the door;
Pop-up sliding opening and closing device for a drum washing machine door comprising a.
The method of claim 1,
The tappet is formed longer than the tip of the lobe,
A pop-up sliding opening/closing device for a drum washing machine door formed with a tappet guide that is formed to fit the tappet on a central axis of a surface facing the tappet among the levers and induces a back-and-forth movement of the latch.
The method of claim 1,
A lip for preventing separation of the caterpillar track is integrally formed at the edge of the rack slide, and rail grooved for sliding without leaving the lip by fitting the lip in the longitudinal direction on both sides of the caterpillar track Pop-up sliding opening and closing device for formed drum washing machine door
The method of claim 1,
Of the front of the cabinet, the circumference of the inlet port is gradually widened from the top to the bottom, and the inclined surface is formed to be inclined at an angle, and the door is a pop-up sliding type for a drum washing machine door mounted to elevate along the inclined inclined surface of the cabinet Switchgear.
The method of claim 1,
A pop-up sliding opening and closing device for a drum washing machine door in which a space in which a knee portion of a user seated in a wheelchair enters the lower part of the door among the front of the cabinet.
The method of claim 1,
A pop-up sliding opening and closing device for a drum washing machine door having a push button formed on the front of the door.

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