JP2013103055A - Drum-type washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a drum-type washing machine having improved opening/closing operability of a door body.SOLUTION: A drum-type washing machine comprises: a door body 300 for opening and closing a clothing input port 700 in a front surface portion of a housing 200; a locking mechanism 600 provided in the door body 300 and having a lock releasing arm 650 rotated using a releasing arm shaft portion 651 as a fulcrum, a lock arm 610 rotated using an arm shaft portion 613 as a fulcrum and others; and a lock controlling unit 640 provided in the housing 200, for fixing the door body to a closing position by being engaged with the locking mechanism 600. When a grip portion 700 is pulled, the lock releasing arm 650 and the lock arm 610 are rotated in an interlocking manner to release the fixing of the door body 300 to the closing position, and when the grip portion 700 is pushed, the lock arm 610 is rotated to release the fixing of the door body 300 to the closing position. A series of operations of both of pushing and pulling allow the door body to be opened to thereby improve operability.

Description

  The present invention relates to a drum-type washing machine provided with an openable / closable door body for putting clothes in and out.

  Conventionally, in this type of drum-type washing machine, the door body is locked so as not to open during operation, and there is a risk that a hand is inserted into the rotating drum that is driven to rotate, and washing water and laundry are scattered outside. The structure which can avoid a state is proposed (for example, refer to patent documents 1).

  FIG. 7: shows the external view of the state which opened the door body of the conventional drum type washing machine described in patent document 1. As shown in FIG.

  In FIG. 7, when the laundry is put into the washing and dewatering tub 5 in the opened state and the door body 8 is closed and operated, the door body 8 is a latch projecting from the inside of the door body 8. 90 is fitted into a latch receiver 91 that is fitted when the door body 8 is closed, and is locked in the door closed state by an opening / closing lock portion 59 configured inside the inclined surface 2a of the washing machine housing 2. And when opening the door body 8 in order to take out the laundry, the door opening button 56 can be pressed to release the locked state, and the door body 8 can be held open.

JP 2005-137508 A

  However, in the conventional configuration, in order to open the door body, an operation of pressing the door opening button to release the locked state and an operation of rotating the door body toward the open position are necessary. Such a two-step operation makes the user feel bothersome, and if the user forgets to press the door open button and opens the door without releasing the lock, the lock mechanism may be damaged. was there.

  In order to solve the above-described conventional problems, a drum-type washing machine of the present invention includes a rotating drum formed in a bottomed cylindrical shape, a water tank that rotatably includes the rotating drum, and a motor that rotationally drives the rotating drum. And a housing that elastically supports the water tank in a swingable manner, a clothing input port formed in the housing, a door body that has a handle and opens and closes the clothing input port, and is provided on the door body and is released. A lock mechanism having a lock release arm that rotates about an arm shaft portion as a fulcrum, a lock mechanism that rotates about an arm shaft portion as a fulcrum, and a lock control unit that fixes the door body to a closed position by engaging with the lock mechanism The door body rotates the release arm by pulling the handle portion, and the lock arm rotates in conjunction with the rotation of the release arm, so that the locking position is released. Together with the above The lock arm by pressing the hand portion is obtained by a configuration in which the fixing of the closed position by rotating is released.

  As a result, it is possible to release the lock and open the door body in either the pushing operation or pulling operation to operate the handle portion, and each operation can be performed by a series of operations of the handle portion alone. Since it can be opened, the operability is remarkably improved and the possibility of damaging the lock mechanism can be prevented.

  The drum type washing machine of the present invention can realize the operability that it can be opened by a series of operations even if the handle part of the door body is pushed or pulled.

The longitudinal cross-sectional view of the drum type washing machine which concerns on embodiment of this invention External view of the drum type washing machine Perspective view around the handle of the drum type washing machine Schematic partial cross-sectional view around the handle of the drum type washing machine Schematic partial cross-sectional view when pulling the handle part of the drum type washing machine to the front Schematic partial sectional view when the handle of the drum type washing machine is pushed External view of conventional drum-type washing machine

  1st invention supported the rotating drum formed in the bottomed cylindrical shape, the water tank which contains the said rotating drum rotatably, the motor which rotationally drives the said rotating drum, and the said water tank elastically supported so that rocking was possible A housing, a clothing input port formed in the housing, a door body having a handle portion that opens and closes the clothing input port, and an unlocking arm that is provided on the door body and rotates about a release arm shaft portion And a lock mechanism having a lock arm that pivots about an arm shaft portion, and a lock control unit that engages with the lock mechanism to fix the door body in a closed position, and the door body includes the handle portion. The release arm is rotated by pulling, the lock arm is rotated in conjunction with the rotation of the release arm, and the lock position is released, and the lock arm is pressed by pushing the handle. Times In this way, it is possible to release the lock and open the door body in any of the pushing operation and pulling operation to operate the handle part, and the door body can be opened. Since the door can be opened by a series of operations of only the handle portion, the operability is remarkably improved and the possibility of damaging the lock mechanism can be prevented.

  Hereinafter, embodiments of the invention will be described with reference to the drawings. Further, the present invention is not limited by this embodiment.

(Embodiment 1)
FIG. 1 is a longitudinal sectional view of a drum type washing machine according to an embodiment of the present invention.

  In FIG. 1, the rotating drum 112 is formed in a bottomed cylindrical shape, and a large number of water passage holes 72 are provided on the entire surface of the outer periphery of the rotating drum 112. A rotation axis (rotation center axis) 74 is provided in the inclination direction at the rotation center of the rotary drum 112, and the axial center direction of the rotation drum 112 is inclined downward from the front side toward the back side. A motor 113 attached to the rear surface of the water tank 111 is connected to the rotary shaft 74, and the rotary drum 112 is rotated in the forward and reverse directions. In addition, a plurality of protrusion plates 76 for stirring clothes are provided on the inner wall surface of the rotating drum 112. Then, a clothing input port 215 provided on the upward inclined surface on the front side of the housing 200 is covered with a door body 300 so as to be freely opened and closed. I can do it. Since the door body 300 is provided on the upward inclined surface, the laundry can be carried out without bending the waist.

  The water tank 111 is elastically supported by the housing 200 so as to be swingable by a spring body 80 and a damper 81. One end of a drainage path 134 is connected to the lower part of the water tank 111, and the other end of the drainage path 134 is connected to a drain valve 133. The washing water in the water tank 111 can be drained in a timely manner. The water supply valve (water supply means) 84 supplies water into the water tank 111 through the water supply pipe 121, and the water level detection means 86 detects the water level in the water tank 111. In addition, a control device 96 is disposed in the lower part of the front surface in the housing 200. Further, a cylindrical opening 114 is formed on the front side opening side of the water tank 111, and a sealing member 115 is fitted to the cylindrical opening 114, and when the door body 300 is in a closed state, a seal is provided between the water tank 111 and the door body 300. Is done.

  In addition, an operation panel 500 is provided at the upper front of the housing 200. When the user inputs a driving course mode or various functions from the input unit 501 (see FIG. 2), the operation panel 500 is disposed inside the operation panel 500. The control circuit unit 510 displays the input information on the display means 502 (see FIG. 2) on the operation panel 500 to notify the user.

  In the present embodiment, the rotation shaft 74 is provided in the inclination direction at the rotation center of the rotation drum 112, and the axial center direction of the rotation drum 112 is inclined downward from the front side toward the back side. However, the rotation shaft 74 may be provided in the horizontal direction at the rotation center of the rotation drum 112 and the axial center direction of the rotation drum 112 may be disposed in the horizontal direction.

  FIG. 2 is an external view of the drum type washing machine according to the embodiment of the present invention.

  In FIG. 2, the door body 300 is rotatably connected to the housing 200 by a hinge structure 400 that pivotally supports the door body 300, and the door body 300 is operated by holding the handle portion 700 to operate the clothing. It can be rotated between a closed position that covers the inlet 215 and an open position that opens.

  Further, the door body 300 is configured with a lock mechanism 600 that is connected to the handle portion 700, and a lock control unit 640 (see FIG. 4) at a position corresponding to the lock mechanism 600 inside the front surface of the housing 200. ) Is arranged. A lock hole 218 and a detection hole 219 are formed in the lock control unit 640, and the lock mechanism 600 has a lock arm 610 (described later in FIG. 3) that is inserted into the lock hole 218 when the door body 300 is closed. ) And a detection arm 810 (described later in FIG. 3) inserted into the detection hole 219.

  Further, the door body 300 has a window portion 310 made of glass and formed in a substantially trapezoidal cone shape, and a support frame 320. As described above, the window portion 310 is when the door body 300 is in a closed state. Sealing is performed in a watertight manner by contacting the seal member 115. Further, the support frame 320 is a main part constituting the door body 300, and in addition to the window portion 310, an attachment ring 321 (see FIG. 3) to which the handle portion 700, the lock mechanism 600, and the hinge structure 400 are attached, and an attachment portion. A substantially disk-shaped cover disk (not shown) that covers the ring 321 from the outside, a presser ring 324 (see FIG. 3) attached to the housing 200 side, and the like.

  FIG. 3 is a perspective view around the handle portion of the drum type washing machine according to the embodiment of the invention.

  In FIG. 3, a substantially rectangular ring opening 335 is formed in the presser ring 324 constituting the back side of the door body 300, and the lock arm 610 and the detection arm 810 protrude from the ring opening 335.

  The lock arm 610 of the lock mechanism 600 has a hook-shaped arm tip 612 formed at the tip. The detection arm 810 provided alongside the lock arm 610 is for detecting whether the door 300 is closed or open.

  FIG. 4 is a schematic partial cross-sectional view around the handle portion of the drum type washing machine according to the embodiment of the present invention, and FIGS. 5A to 5C are schematic partial cross-sectional views when the handle portion is pulled forward. 6A to 6C are schematic partial cross-sectional views when the handle is pushed.

  In FIG. 4, a lock control unit 640 includes a unit housing 641 that houses circuits and components for achieving the operation, and an arm tip 612 that is disposed inside the unit housing 641 and that is the tip of the lock arm 610. A lock box 642 and a solenoid (not shown) for positioning the lock box 642.

  The lock mechanism 600 includes a lock release arm 650, a lock arm 610, a spring (not shown) that urges the lock arm 610, and the like.

  The lock arm 610 of the lock mechanism 600 is biased by a spring (not shown) with the arm shaft portion 613 as a fulcrum to the side of the rod-shaped housing tip 643 formed on the unit housing 641. FIG. 612 is a locked state in which the door body 300 is closed by engaging with the housing front end portion 643, and the position of the lock box 642 in this state is not permitted together with FIGS. 5A and 6A described later. This is called a position.

  That is, when the lock box 642 is in the non-permitted position, the user cannot turn the door 300 from the closed position to the open position. When the washing process, the rinsing process, the dehydrating process and the drying process are completed and the rotation of the rotating drum 112 is stopped, or the rotation button of the input unit 501 is pressed and the rotation of the rotating drum 112 is stopped. At times, the control circuit 510 can release the positioning of the lock box 642 by the solenoid and open the door body 300.

  When the positioning of the lock box 642 is released and the door body 300 is opened, when the handle portion 700 is pulled in the direction A which is the front surface side of the door body 300 from the state in which the door body 300 is closed, the handle portion 700 becomes the support shaft. The handle distal end 712 pushes one end of the lock release arm 650 by turning the portion 711 as a fulcrum, and the lock release arm 650 turns the release arm shaft portion 651 as a fulcrum to push up the base end 611 of the lock arm 610. . Thereby, the lock arm 610 rotates clockwise with the arm shaft portion 613 as a fulcrum, the arm tip 612 is disengaged from the housing tip 643, the engagement is released, and the door 300 is opened.

  Further, when the handle 700 is pushed in the direction B, which is the back side of the door 300, the handle central portion 713 of the handle 700 directly pushes the base end 611 of the lock arm 610. Thereby, the lock arm 610 rotates clockwise with the arm shaft portion 613 as a fulcrum, the arm tip 612 is disengaged from the housing tip 643, the engagement is released, and the door 300 is opened.

  5 (a) to 5 (c), (a) shows a handle portion that starts to pull the handle portion 700 of the door body 300 in the closed position in the direction A on the front side and rotates around the support shaft portion 711 as a fulcrum. This is the moment when the handle front end 712 of 700 is brought into contact with the unlocking arm 650. In (b), the handle 700 is further rotated in the direction A from the position (a), and the unlocking arm 650 interlocked with the movement of the handle 700 rotates about the release arm shaft 651 as a fulcrum. Then, the lock arm 610 rotates clockwise with the arm shaft portion 613 as a fulcrum, and the arm tip 612 is disengaged from the housing tip 643. The position of the lock box 642 at this time is referred to as a permission position. (C) pulls the handle 700 further in the direction A from the position (b) and rotates it, so that the lock arm 610 further rotates and the arm tip 612 tries to come out of the lock hole 218. It is a moment. The position of the lock box 642 at this time is referred to as an opening start position. Furthermore, when the handle part 700 is pulled, the door body 300 opens.

  6 (a) to 6 (c), (a) shows a handle portion that starts to push the handle portion 700 of the door body 300 in the closed position in the B direction on the back side and rotates around the support shaft portion 711 as a fulcrum. This is the moment when the handle center portion 713 of 700 abuts on the base end portion 611 of the lock arm 610. In (b), the handle 700 is further pushed from the position (a) in the B direction to rotate, the lock arm 610 rotates clockwise around the arm shaft 613, and the arm tip 612 is a housing. This is the moment when the tip 643 is disengaged. The position of the lock box 642 at this time is referred to as a permission position as in FIG. (C) is the moment when the handle 700 is further pushed and rotated in the direction B from the position (b), the lock arm 610 is further rotated, and the arm tip 612 is about to come out of the lock hole 218. It is. The position of the lock box 642 at this time is referred to as an opening start position. After the engagement is released, the door 300 is opened by pulling the handle 700.

  When the door 300 is rotated from the opened position to the closed position, the arm tip 612 at the tip of the lock arm 610 is inserted into the lock box 642 from the lock hole 218, and the arm tip 612 is moved. After the lock box 642 is inserted into the permitted position after being inserted, the arm tip 612 is engaged with the housing tip 643 by the spring biasing the lock arm 610, and the lock box 642 returns to the non-permitted position. .

  As described above, in the present embodiment, the door can be opened by releasing the lock regardless of the pushing operation or pulling operation for operating the handle portion of the door body. Since the door body can be opened by a series of operations of only the handle portion, the operability is remarkably improved and the possibility of damaging the lock mechanism can be prevented.

  As described above, the drum type washing machine according to the present invention can open the door body in a series of operations even if the handle part of the door body is pushed or pulled by the connection configuration of the door body and the main body side. It is applicable to uses such as a washing machine having a door.

DESCRIPTION OF SYMBOLS 111 Water tank 112 Rotating drum 113 Motor 200 Housing 215 Clothes input 300 Door body 600 Lock mechanism 610 Lock arm 613 Arm shaft part 640 Lock control unit 650 Unlock arm 651 Release arm shaft part 700 Handle part

Claims (1)

A rotating drum formed in a bottomed cylindrical shape, a water tank that rotatably includes the rotating drum, a motor that rotationally drives the rotating drum, a housing that elastically supports the water tank so as to be swingable, and a housing A formed clothing insertion port, a door body having a handle and opening and closing the clothing insertion port; a lock release arm provided on the door body and pivoting about the release arm shaft portion; and the arm shaft portion as a fulcrum A lock mechanism having a lock arm that rotates and a lock control unit that engages with the lock mechanism to fix the door body in a closed position, and the door body is released by pulling the handle portion. The arm rotates, the lock arm rotates in conjunction with the rotation of the release arm, and the lock position is released, and the lock arm rotates and closes by pressing the handle. position Drum-type washing machine fixed is released.

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