JP2008253392A - Drum-type washing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drum-type washing machine in which a proper gap is formed between a door and a casing when unlocking. <P>SOLUTION: The drum-type washing machine 1 has the casing 10, an outer tank 20 holding washing water or rinsing water, a rotary drum 30 storing the laundry W, a door 60 openably and closably arranged in the casing 10 via a hinge 70 for putting in and out the laundry W from the rotary drum 30, a circular bellows 50 sealing the gap between the casing 10 and the outer tank 20. The door 60 is pushed into the bellows 50 and comes into close contact with the bellows 50 in the closed state of the washing machine 1. The washing machine 1 has two pushing pins 80A, 80B having pushing springs 83A, 83B arranged protrudably and retractably in the door 60 and for pushing out the casing 10; the pushing pins 80A, 80B are arranged by the different distances from the hinge 70, and the spring force of the pushing spring 83A the pushing pin 80A closer to the hinge 70 is greater than the spring force of the pushing spring 83B of the pushing pin 80B far from the hinge 70. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a drum type washing machine including a door that is pushed into a sealing member that seals a gap between a housing and an outer tub in the closed state.

  The drum-type washing machine is easy to put in and out of the laundry, and can be washed with less water by the tapping method, so the number of units sold has increased (see Patent Document 1). In such a drum-type washing machine, the laundry is put into and out of the rotating drum by opening and closing a door provided on the front surface of the casing.

  The door is pivotally attached to the housing via a hinge and is locked in a closed position by a locking means. Further, the door is biased in the opening direction by a hinge spring provided on the hinge so that the door opening / closing operation is assisted.

When opening such a door, by unlocking the door, a gap is formed between the housing and the door so that a hand can be inserted, and a hand is inserted into this gap and a hand is applied to the door, It is considered preferable to carry out manually from the state where the gap is formed in this way to the fully opened state.
Note that the opening of the door is defined as the initial opening so that a gap is formed so that a hand can be inserted between the housing and the door.
JP 2005-143794 A

  However, in the closed state, the door is pressed into an annular bellows (seal member) that seals a gap between the outer tub for storing washing water or rinsing water and the housing, and is in close contact with the bellows. Thus, for example, when the door is closed for a long time, even if the door is unlocked, the close contact between the door and the bellows is not released, and there is a gap in which a hand can be inserted between the door and the housing. There is a possibility that it may not be suitably formed.

  In order to solve this, the structure which enlarges the spring force of a hinge spring and enlarges the urging | biasing force to the opening direction of a door can be considered. However, in such a configuration, as soon as the close contact between the door and the bellows is released, the door opens vigorously, which may reduce the operability of the door.

  Then, this invention makes it a subject to provide the drum-type washing machine in which a suitable clearance gap is formed between a door and a housing | casing, when a lock | rock is cancelled | released.

  As means for solving the above-mentioned problems, the present invention provides a housing, an outer tub disposed in the housing, for storing washing water or rinsing water, and rotatably provided in the outer tub. A rotating drum to be accommodated, a door provided in the casing so as to be openable and closable via a hinge for putting laundry into and out of the rotating drum, and an annular seal for sealing a gap between the casing and the outer tub A drum-type washing machine that is pushed into the seal member and is in close contact with the seal member, and is provided in at least one of the housing and the door so as to be freely retractable. And at least two push pins having a push spring for pushing the other, wherein the at least two push pins are arranged at different distances from the hinge and close to the hinge. The spring force of the compression spring of the pin is a drum-type washing machine being larger than the spring force of the compression spring far the push pin from the hinge.

According to such a drum-type washing machine, when the door is unlocked, at least two push pins provided in at least one of the housing and the door can be moved freely so that the door and After releasing the close contact with the seal member, an appropriate gap can be formed between the door and the housing, and the initial opening of the door can be reliably performed.
Further, the at least two push pins are arranged at different distances from the hinge, and the spring force of the push spring of the push pin close to the hinge is larger than the spring force of the push spring of the push pin far from the hinge. Force that causes the door and the housing to be separated by a push pin close to (the push pin pushes the other), and force that causes the door and the housing to be separated by a push pin far from the hinge (the push pin separates the other). The pressing force can be made substantially equal. Thereby, without distorting a door, a door and a housing | casing can be spaced apart and a suitable clearance gap can be formed between both.

  The present invention also includes a housing, an outer tub disposed in the housing and storing washing water or rinsing water, a rotating drum that is rotatably provided in the outer tub and stores laundry, and the rotation In order to put laundry in and out of the drum, it is provided with a door that is openable and closable in the housing via a hinge, and an annular seal member that seals a gap between the housing and the outer tub. In the state, the door is a drum-type washing machine that is pushed into the seal member and is in close contact with the seal member, and is provided so as to be movable in and out of at least one of the housing and the door and for pushing the other. The drum type washing machine includes a push pin, and the push pin expands and contracts in multiple stages and has a plurality of push springs corresponding to the stages.

  According to such a drum-type washing machine, when the door is unlocked, the push pin provided at least one of the housing and the door can be extended and retracted by pushing the other while extending in multiple stages. After releasing the close contact between the door and the seal member, an appropriate gap can be formed between the door and the housing.

  ADVANTAGE OF THE INVENTION According to this invention, when a lock | rock is cancelled | released, the drum-type washing machine in which a suitable clearance gap is formed between a door and a housing | casing can be provided.

<< First Embodiment >>
Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. 1 to 9 as appropriate.

<Configuration of drum type washer / dryer>
The drum type washing and drying machine 1 according to the first embodiment includes a housing 10, an outer tub 20, a rotating drum 30, a drying means that operates during drying, a bellows 50, a door 60, and a hinge 70 (see the drawing). ), Locking means, and push pins 80A and 80B (see FIG. 4). The rotation axis A of the rotary drum 30 is disposed obliquely (see FIG. 3). Here, for the sake of clarity, front / rear / up / down / left / right are set as shown in FIG.

<Case>
As shown in FIG. 1, the housing 10 is an outer frame housing of the drum type washing and drying machine 1, and is provided on a housing base 11 having rubber legs 11 a at four corners in order to attenuate vibration during operation. Is arranged. However, a configuration without the housing base 11 may be used.
The housing 10 includes, for example, a frame constituted by a metal front panel 12 (see FIG. 2) obtained by press molding, a left panel, a right panel, a rear panel, and the like, and a drum type washing and drying machine 1 that covers the frame. And a resin front panel 13 and the like that form the exterior design surface.

An input port 10a for the laundry W is formed on the front side of the housing 10 (see FIG. 3), and the input port 10a is appropriately opened and closed by a door 60. Further, a latching hole 10b is formed on the right side surface of the housing 10 to latch a drainage hose 24 described later.
An unlock button 14 that is pushed to unlock the door 60 is disposed at the upper right of the front surface of the housing 10.

In addition, a filter case 15A, a filter case 15B, and operation units 16A and 16B are arranged on the front surface of the housing 10 in addition to a detergent case 19 described later. The filter case 15A is loaded with a filter that collects lint and the like accompanying circulating water that circulates during washing and rinsing. The filter case 15B is loaded with a filter that collects dust and the like accompanying air circulating during drying. The operation unit 16A is a part that the driver operates to select the washing mode and the like, and the display unit 16B is a part that displays the selected washing mode and the like.
Furthermore, a handle 17 for carrying the drum type washing / drying machine 1 is provided at appropriate positions on the left side surface and the right side surface of the housing 10.

As shown in FIG. 3, an electromagnetic water supply valve 18 and a detergent case 19 into which a detergent is put are arranged on the upper side inside the housing 10. When the water supply valve 18 is opened, tap water flows from the tap (not shown) into the detergent case 19 via the water supply hose 18a, the water supply valve 18 and the water injection hose 18b, and the detergent is dissolved. It flows into the outer tub 20 through the hose 19a.
Note that the detergent case 19 is also provided with a softener charging case (not shown) in which a softening agent for improving the finish of the laundry W is rinsed.

<Outer tank>
The outer tub 20 is a low-cylinder body that stores washing water or rinsing water, and is disposed in the housing 10 in a state of being supported from below by a suspension 21. Moreover, the axis of the outer tub 20 is slanted, the rear side is in a lowered state, and the front side is open. Further, the outer tub 20 is formed with a vent 20a and a vent 20b through which air passes during drying.
Regarding the degree of inclination of the rotation axis A of the outer tub 20 and the rotary drum 30 coaxial with the outer tub 20, the angle θ1 formed by the rotation axis A and the horizontal plane is 5 to 30 ° in consideration of taking out the laundry W or the like. Preferably, 15 ° is optimal.

  The suspension 21 is, for example, a damping device that includes a cylinder and a compression coil spring (see FIG. 2). The suspensions 21 are arranged in a plurality (for example, three) in the circumferential direction of the outer tub 20 and support the approximate center of gravity of the outer tub 20.

  The upper part of the outer tub 20 is connected to the housing 10 via a tension spring 22A and a tension spring 22B (tensile coil spring). Accordingly, the outer tank 20 is prevented from falling, and the vertical and horizontal vibrations of the outer tank 20 during dehydration are reduced while the posture of the outer tank 20 is maintained. The lower part of the outer tub 20 is connected to a drainage hose 24 via a drainage valve 23 that is opened at the end of washing and rinsing and at the time of dehydration.

<Rotating drum>
The rotating drum 30 is a bottomed cylindrical body made of stainless steel, for example, and is a tub that accommodates the laundry W. The rotating drum 30 is coaxial with the outer tub 20 and is rotatably disposed in the outer tub 20. The side is open. A motor 31 (for example, a DC-DC brushless motor) is attached to the outside of the bottom wall of the outer tub 20 via a bracket (not shown) or the like, and an output shaft 31 a of the motor 31 is connected to the outer tub 20. It extends into the outer tub 20 through the output shaft hole in the bottom wall. The bottom wall of the rotary drum 30 is fixed to the output shaft 31a via a flange and a disk-shaped reinforcing plate (not shown) that reinforces the bottom wall. In other words, the rotating drum 30 is supported by the motor 31 in a cantilevered manner.

A plurality of dewatering holes 30 a are formed in the peripheral wall of the rotary drum 30. When the rotating drum 30 is rotated by the motor 31 during dehydration, the moisture of the laundry W is dehydrated to the outer tub 20 through the dehydration hole 30a by centrifugal force.
Further, the bottom wall of the rotary drum 30 is formed with a plurality of ventilation holes 30b through which air passes during drying.

  Furthermore, a plurality of lifters 32 are provided on the inner peripheral surface of the rotary drum 30 at equal intervals in the circumferential direction (for example, in the case of three, 120 ° intervals). Accordingly, the laundry W on the back side (bottom side) of the rotary drum 30 is also efficiently scraped.

  A ring-shaped fluid balancer 33 is provided at the edge of the front opening of the rotary drum 30. The fluid balancer 33 maintains the balance of the rotating drum 30 that rotates during dehydration and reduces vibration. Such a fluid balancer 33 has a ring-shaped space inside, and a fluid having a high specific gravity such as an aqueous potassium chloride solution is accommodated in this space.

<Drying means>
The drying means is a means for drying the laundry W by operating during drying, and includes a fan 41, a heater 42, and a dehumidifier 43. The fan 41 and the heater 42 are disposed on the outer tub 20. The dehumidifier 43 is disposed outside the bottom wall of the outer tub 20 at a position shifted from the motor 31. The dehumidifier 43 includes a cooling pipe (not shown) through which a low-temperature fluid such as tap water flows.

  When the fan 41, the heater 42, and the dehumidifier 43 are activated during drying, the air from the fan 41 is heated by the heater 42 and then sent into the rotary drum 30 through the vent hole 20a of the outer tub 20. It is supposed to be. Next, this air is sent to the dehumidifier 43 through the vent hole 30b of the rotary drum 30 and the vent hole 20b of the outer tub 20, and after dehumidifying by the dehumidifier 43, returns to the fan 41 and circulates. It has become.

<Bellows>
The bellows 50 is an annular seal member that seals the gap between the outer tub 20 and the housing 10, and is formed of flexible rubber or the like and has a bellows shape (FIGS. 3, 5 to 5). 7). Such a bellows 50 is attached to the front panel 12 and the outer tub 20 constituting the housing 10 by an annular spring 58 and a spring 59, respectively. Thereby, the washing water and the rinsing water do not enter the inside of the housing 10.

  Moreover, the bellows 50 has the cyclic | annular lip 51 which protruded diagonally inside radial direction (refer FIGS. 5-7). When the door 60 is closed and disposed at the closed position, a door main body 63 described later of the door 60 is pushed into the bellows 50 so that the door main body 63 and the bellows 50 are in close contact with each other. This prevents washing water, rinsing water, and air during drying from leaking to the outside. Specifically, when the door 60 is closed, the door body 63 pushes the lip 51 radially outward, and the lip 51 tightens the door body 63 radially inward. As a result, the door 60 and the bellows 50 Are in close contact with each other (see FIG. 5).

<Door>
The door 60 is a lid that is provided in the housing 10 so as to be freely opened and closed via a hinge 70 so that the laundry W can be taken in and out of the rotary drum 30 and appropriately opens and closes the insertion port 10a of the housing 10. Further, the door 60 is slanted at the closed position, specifically, the slant (for example, the angle θ2 between the vertical direction and the door 60 is 15 to 30 so as to be parallel to the surface to which the front opening of the rotary drum 30 belongs. °, see Fig. 3).

  The door 60 has a circular shape, and as shown in FIGS. 5 to 8, a ring-shaped frame 61 constituting the skeleton, and a front design surface of the drum-type washing and drying machine 1 attached to the front side of the frame 61. A surface cover 62 to be formed, a door main body 63, and a ring-shaped presser plate 64 disposed on the peripheral edge of the door 60 are provided. The door body 63 is disposed on the housing 10 side of the frame 61, and the edge of the door body 63 is sandwiched between the frame 61 and the pressing plate 64.

  The door main body 63 protrudes toward the housing 10, and when the door 60 is closed and disposed at the closed position, the door main body 63 is pushed into the hollow portion of the annular bellows 50. When pushed in this way, as described above, the lip 51 of the bellows 50 comes into close contact with the outer peripheral surface of the door main body 63, and as a result, the door 60 and the bellows 50 come into close contact. Such a door body 63 is made of a material that can withstand the drying temperature, for example, heat-resistant glass.

  Further, the door main body 63 and the front cover 62 are made of a transparent material, and the inside of the rotary drum 30 can be visually recognized with the door 60 closed.

  The presser plate 64 (contact portion) is a portion that contacts the front panel 12 of the housing 10 when the door 60 is closed. Further, the holding plate 64 is formed with an arm mounting portion 64a to which a rotating arm 71, which will be described later, is mounted (see FIG. 4). Further, the holding plate 64 is provided with a clamp 65. When the door 60 is disposed at the closed position, the clamp 65 is held by a clamp holding mechanism 75 (see FIG. 7) described later, and the door 60 is closed. As a result, the door 60 is maintained in the closed state.

<Hinge>
As shown in FIGS. 2, 5, and 6, the hinge 70 is a mechanism that allows the door 60 to rotate with respect to the housing 10. The hinge 70 has one end side attached to the arm attachment portion 64a (see FIG. 4) of the door 60 and the other end side of the rotation arm 71, and the front panel 12 of the housing 10. Brackets 72 and 72 attached to the hinge and a hinge spring (not shown).

The hinge spring is a spring that urges the door 60 in the opening direction, as described in, for example, Japanese Patent Application Laid-Open No. 2005-143794, and is disposed at an appropriate position around the rotation shaft. By providing such a hinge spring that biases the door 60 in the opening direction, the operability in the opening / closing operation of the door 60 is improved.
That is, the door 60 can be easily opened because the hinge spring assists even a small force. On the other hand, when the door 60 is closed, the force that urges the hinge spring in the opening direction against the force that closes the door 60 acts as a drag force, and thus the door 60 is designed not to be closed forcefully.

  Moreover, the hinge 70 is arrange | positioned in the intermediate position of the door 60 in the height direction, and the door 60 opens in a substantially horizontal direction.

<Locking means>
The locking means is a means for locking the door 60 in the closed position, and includes the above-described clamp 65 and a clamp holding mechanism 75 (see FIG. 7) that appropriately holds the clamp 65. The clamp holding mechanism 75 includes a slider 76 and a compression coil spring 77 that urges the slider 76.

When the door 60 is closed and disposed at the closed position, the slider 76 is inserted into the hollow portion of the clamp 65 (see arrow A1 in FIG. 7), so that the door 60 is locked at the closed position. It has become. On the other hand, when the lock release button 14 (see FIG. 1) is pressed, the slider 76 is pulled out of the clamp 65 (see arrow A2 in FIG. 7) via an interlocking arm (not shown) and the door 60 is unlocked. It has become so.
In addition, when the door 60 is closed, the contact surface 76a of the slider 76 that contacts the clamp 65 is a tapered surface so that the slider 76 moves backward in the direction of the arrow A2 by the clamp 65.

<Push pin>
The push pins 80A and 80B are pins for promoting the initial opening of the door 60. That is, the push pins 80A and 80B can be inserted between the door 60 and the housing 10 after the lock release button 14 (see FIG. 1) is pressed and the lock of the door 60 is released by the locking means. It is a pin for pushing the casing 10 to separate the door 60 and the casing 10 in order to form a certain gap.

  Such push pins 80A and 80B are provided on the peripheral edge of the circular door 60 in the first embodiment. More specifically, the push pins 80A and 80B are located at different positions from the hinge 70. Specifically, as shown in FIG. 4, one push pin 80A is located near the hinge 70 (arm mounting portion 64a) and the other push pin. The pin 80B is disposed at a position far from the hinge 70.

  The door 60 opens with the hinge 70 as a fulcrum, and a force that pushes the door 60 with the position of the push pins 80A and 80B as an action point acts. Therefore, the push pins 80A and 80B It is preferable to distribute and arrange a near position and a distant position on the diameter line D passing through.

  The push pin 80A and the push pin 80B have the same stroke length, but differ only in the built-in push springs 83A and 83B. That is, only the spring force of the push springs 83A and 83B is different. Are shared (see FIG. 9). Hereinafter, the configuration of the push pin 80B at a position far from the hinge 70 will be specifically described with reference to FIG.

  The push pin 80B protrudes from the surface of the press plate 64 of the door 60 so that the pin body 81 can be moved in and out, a pin 82 that guides the pin body 81 so that it can move in and out, and is fixed to the frame 61. And a pressing spring 83B, which is a compression coil spring that biases in the direction.

And the pin main body 81 biased in this way presses the front panel 13 of the housing | casing 10 (refer FIG. 5 which shows the push pin 80A close | similar to the hinge 70).
Further, the base end portion of the pin main body 81 is formed with a thickness and functions as a stopper portion 81 a that is locked to the presser plate 64. Thereby, the pin main body 81 is prevented from falling off from the door 60.

  A guide bar 82a is formed on the bottom surface of the cylinder 82, and a push spring 83B is disposed so as to be extrapolated to the guide bar 82a. This prevents the push spring 83B from falling inside the cylinder 82.

<Push pin-spring force>
Next, the relationship between the spring force of the push spring 83A built in the push pin 80A close to the hinge 70 and the spring force of the push spring 83B built in the push pin 80B far from the hinge 70 will be described with reference to FIG. To do.
The spring force of the pressing spring 83A is set to be larger than the spring force of the pressing spring 83B. In order to increase the spring force in this way, for example, there is a method of changing the thickness of the push springs 83A and 83B.

Further, the spring force of the push spring 83A and the push spring 83B is such that the force by which the push pin 80A near the hinge 70 pushes the housing 10 and the force by which the push pin 80B far from the hinge 70 pushes the housing 10 are equal. The relationship is inversely proportional to the distance relationship between the push pins 80A and 80B from the hinge 70.
Furthermore, the spring force of the pressing spring 83A and the pressing spring 83B is set to a size that can release the contact state between the door body 63 and the bellows 50.

≪Effects of drum type washer and dryer≫
Next, the effect of the drum type washing / drying machine 1 will be described with reference to FIG.
As shown in FIG. 9A, when the door 60 is closed, the push spring 83A of the push pin 80A close to the hinge 70 and the push spring 83B of the push pin 80B far from the hinge 70 are both degenerated. .
When the lock release button 14 (see FIG. 1) is pressed, the slider 76 is retracted, the clamp 65 is released (see FIG. 7), and the door 60 is unlocked, the push pins 80A and 80B are moved to the housing. The body 10 is pushed and the door 60 starts to open against the contact frictional resistance between the door body 63 and the bellows 50. Thereby, the tight junction between the door body 63 and the bellows 50 starts to be released.

  Here, the spring force of the push spring 83A close to the hinge 70 is set to be larger than the spring force of the push spring 83B far from the hinge 70, and the push pin 80A pushes the housing 10 and the push pin 80B Since it is comprised so that the force which pushes the body 10 may become equal, the door 60 opens in the opening direction, without being distorted.

  Then, even when the door 60 is opened and the push pin 80B far from the hinge 70 is fully extended, as shown in FIG. 9B, the push pin 80A near the hinge 70 is still in an extendable state. As a result, the push spring 83A near the hinge 70 extends thereafter, so that the push pin 80A pushes the housing 10 and the initial opening of the door 60 proceeds.

  Thereafter, as shown in FIG. 9C, when the pressing of the housing 10 by the push pin 80A is completed, the close contact between the door body 63 and the bellows 50 is reliably released, and the initial opening of the door 60 is completed. To do. A gap G into which a hand can be inserted is suitably formed between the door 60 and the housing 10.

Thus, according to the drum type washing / drying machine 1, at the stage where a large force is required to release the tight joint between the door body 63 and the bellows 50 (see FIG. 9A), the push pin 80A and the push pin 80A are pushed. By pressing the housing 10 with the pin 80B, the tight junction can be released.
And even after the push pin 80B far from the hinge 70 has been extended, the push pin 80A near the hinge 70 is also extended, so that the door 60 can be continuously opened. Thus, the tight junction between the door body 63 and the bellows 50 can be reliably released, and a gap G having an appropriate size into which a hand can be inserted can be formed between the door 60 and the housing 10.

<< Second Embodiment >>
Next, a second embodiment of the present invention will be described with reference to FIGS.
As shown in FIGS. 10 and 11, the drum type washing and drying machine according to the second embodiment includes one push pin 90, and the push pin 90 is located far from the hinge 70 (the position of the push pin 80 </ b> B). ).

The push pin 90 is a pin that expands and contracts in two stages. The first pin main body 91 can be moved in and out from the surface of the pressing plate 64 of the door 60, the second pin main body 92 can also be moved in and out, and the first pin main body 91. A first push spring 93 that biases the first push spring 93 in a protruding direction, a guide bar 94 a that guides the first push spring 93, and a guide portion 94 disposed on the bottom of the second pin body 92, and the guide portion 94. And a second push spring 95 that urges the second pin main body 92 in the protruding direction.
The first pin body 91 is disposed on the distal end side of the push pin 90, and the second pin body 92 is disposed on the proximal end side of the push pin 90.

  The first pin body 91 is configured to be accommodated in the second pin body 92 when the first push spring 93 is retracted. Further, the second pin main body 92 is configured to be accommodated in a cylinder portion 61 a formed in the frame 61 when the second push spring 95 is retracted.

That is, the entire stroke length of the push pin 90 (projection length from the press plate 64) is longer than that of the push pins 80A and 80B according to the first embodiment. Similar to the embodiment, it is accommodated in the peripheral portion of the door 60. That is, the stroke length of the push pin 90 is increased without increasing the peripheral edge portion of the door 60. Thereby, even if the push pin 90 is disposed at a position far from the hinge 70, an appropriate gap G can be formed between the door 60 and the housing 10.
Here, the stroke length of the first pin body 91 and the stroke length of the second pin body 92 are designed to be the same here.

  The spring force of the first pressing spring 93 that biases the first pin body 91 on the distal end side in the protruding direction is the spring of the second pressing spring 95 that biases the second pin body 92 on the proximal end side in the protruding direction. It is set larger than the force. However, the spring force may be made equal.

Next, the function and effect of the drum type washer / dryer will be described with reference to FIG.
As shown in FIG. 11A, when the door 60 is closed, the first push spring 93 and the second push spring 95 are both contracted.

  When the lock release button 14 (see FIG. 1) is pressed and the door 60 is unlocked, first, the first push spring 93 on the distal end side having a large spring force is extended. Thereby, the 1st pin main body 91 protrudes, the housing | casing 10 is pushed, and the door 60 begins to open. Thereby, the tight junction between the door body 63 and the bellows 50 starts to be released.

  Then, when the door 60 is opened and the first push spring 93 is substantially extended as shown in FIG. 11B, the second push spring 95 on the base end side is extended. Thereby, the 2nd pin main body 92 pushes the housing | casing 10 via the 1st pin main body 91, and the initial opening of the door 60 advances.

  Thereafter, as shown in FIG. 11C, when the pressing of the housing 10 by the second pin main body 92 is completed, the tight bonding between the door main body 63 and the bellows 50 is surely released and the door 60 is initially opened. Is completed. A gap G into which a hand can be inserted is suitably formed between the door 60 and the housing 10.

As described above, according to the push pin 90 according to the second embodiment, the first push spring 93 having a large spring force is required at the stage where a large force is required in order to release the close bonding between the door body 63 and the bellows 50. By extending, it is possible to release the tight junction.
Thereafter, the door 60 can be continuously opened by the extension of the second push spring 95. Thereby, the tight junction between the door main body 63 and the bellows 50 can be reliably released, and a gap G having an appropriate size into which a hand can be inserted can be formed.

  The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the above-described embodiments, and may be modified as follows, for example, without departing from the spirit of the present invention.

  In each of the above-described embodiments, the case where the present invention is applied to the drum-type washing / drying machine 1 having a drying function is illustrated, but the present invention may be applied to a drum-type washing machine that does not have a drying function.

  In each of the above-described embodiments, the configuration in which the push pins 80A, 80B, and 90 are provided in the door 60 is illustrated, but the configuration in which the housing 10 is provided may be used.

  In the first embodiment, the spring force is different and the two stroke pins 80A and 80B having the same stroke length are provided. However, the three push pins having the same spring force and the same stroke length are provided and close to the hinge 70. The push pins may be arranged in the range (the right half range on the paper surface of FIG. 4) in a larger number than the range far from the hinge 70 (the left half range on the paper surface of FIG. 4) (two in the near range). , One in the far range). With such a configuration, the two push pins arranged in the range close to the hinge 70 continue to push the housing 10 even after being pressed by the single push pin arranged in the range far from the hinge 70. The door 60 can be surely initially opened.

1 is an external perspective view of a drum type washing and drying machine according to a first embodiment. It is a perspective view of the drum type washing and drying machine concerning a 1st embodiment, and shows the state where a door opened and a front panel was removed. It is a longitudinal cross-sectional view of the drum type washing-drying machine which concerns on 1st Embodiment. It is the figure which looked at the door concerning a 1st embodiment from back. It is a figure which shows the hinge which concerns on 1st Embodiment, Comprising: It is the X1-X1 sectional view taken on the line of FIG. 1, and is the state which has closed the door. It is a figure which shows the hinge which concerns on 1st Embodiment, Comprising: It is the X1-X1 sectional view taken on the line of FIG. 1, and is a state which the door is open. It is a figure which shows the locking means which concerns on 1st Embodiment, Comprising: It is the X2-X2 sectional view taken on the line of FIG. It is a figure which shows the pushpin which concerns on 1st Embodiment, Comprising: It is the X3-X3 sectional view taken on the line of FIG. It is a figure which shows typically operation | movement of the drum type washing-drying machine which concerns on 1st Embodiment, (a) is in the state where the door is closed, (b) is in the state where the door is opened a little, (c) is in the door Furthermore, the open state is shown. It is a figure which shows the pushpin of the drum type washing-drying machine which concerns on 2nd Embodiment, Comprising: It respond | corresponds to the X3-X3 sectional view taken on the line of FIG. It is a figure which shows typically operation | movement of the drum type washing-drying machine which concerns on 2nd Embodiment, (a) is a state in which the door is closed, (b) is a state in which the door is opened a little, (c) is a state in which the door is Furthermore, the open state is shown.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Drum-type washer / dryer 10 Case 12 Front panel 13 Front panel 14 Lock release button 20 Outer tank 30 Rotating drum 50 Bellows (seal member)
51 Lip 60 Door 61 Frame 63 Door body 64 Presser plate 65 Clamp (locking means)
70 Hinge 71 Rotating arm 75 Clamp holding mechanism (locking means)
76 Slider 77 Compression coil spring 80A, 80B Push pin 81 Pin body 83A, 83B Push spring W Laundry

Claims (7)

A housing,
An outer tub disposed in the housing and storing wash water or rinse water;
A rotating drum that is rotatably provided in the outer tub and accommodates laundry;
A door provided in the casing so as to be freely opened and closed via a hinge for putting the laundry into and out of the rotating drum;
An annular seal member that seals the gap between the housing and the outer tub;
With
In the closed state, the door is a drum-type washing machine that is pushed into the seal member and is in close contact with the seal member,
And at least one of the housing and the door, and provided with at least two push pins having a push spring for pushing the other.
The at least two push pins are disposed at different distances from the hinge;
The drum type washing machine, wherein a spring force of a push spring of the push pin close to the hinge is larger than a spring force of the push spring of the push pin far from the hinge.   The drum type washing machine according to claim 1, wherein each push pin is configured to have equal force to push the other. A housing,
An outer tub disposed in the housing and storing wash water or rinse water;
A rotating drum that is rotatably provided in the outer tub and accommodates laundry;
A door provided in the casing so as to be freely opened and closed via a hinge for putting the laundry into and out of the rotating drum;
An annular seal member that seals the gap between the housing and the outer tub;
With
In the closed state, the door is a drum-type washing machine that is pushed into the seal member and is in close contact with the seal member,
It is provided in at least one of the housing and the door so as to be able to move in and out, and includes a push pin for pushing the other,
The drum type washing machine, wherein the push pin expands and contracts in multiple stages and has a plurality of push springs corresponding to the stages.   The drum type washing machine according to claim 3, wherein the spring force of the push spring on the distal end side of the push pin is larger than the spring force of the push spring on the proximal end side.   The drum type washing machine according to any one of claims 1 to 4, further comprising a lock unit that locks the door in a closed position.   The drum-type washing machine according to any one of claims 1 to 5, wherein the hinge includes a hinge spring that urges the door in an opening direction. The rotation axis of the rotating drum is oblique,
The door is disposed obliquely so as to be parallel to the surface to which the opening of the rotating drum belongs,
The drum type washing machine according to any one of claims 1 to 6, wherein the hinge is disposed in the middle of the door in the height direction.

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