JP2003239594A - Lock mechanism for rotary type opening/closing door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lock mechanism capable of surely maintaining a locking condition even if a handle is operated in the handle locking condition during operation and preventing interruption of operation of an apparatus. <P>SOLUTION: In this lock mechanism 10 provided in an opening/closing door 4 turning around an axis to open/close, the handle locking condition is achieved when a lock part 22a in a lock lever member 22 is engaged with a lock receiving part 13 of a handle stopper 12 turned by operating the handle. The lock mechanism 10 is provided with at least two sensors, that is, a first sensor 41 determining whether the handle 7 is in a lockable condition or not and a second sensor 42 determining whether the lock condition is ensured or not. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door lock mechanism in an apparatus having a rotary opening / closing door such as a rotary laundry washer / dewaterer for coin laundry.

[0002]

2. Description of the Related Art For example, a rotary washer / dewaterer installed in a facility such as a coin laundry is provided with a rotary drum in a lateral direction, and a casing opening located in front of the rotary drum rotates around an axis. A rotary opening / closing door that opens and closes by being moved is attached to the rotary opening / closing door. A handle for operating a handle stopper is provided on the rotary opening / closing door, and the handle is equipped with a lock mechanism.

FIG. 10 is a front view showing an example of a lock mechanism in a conventional rotary opening / closing door. As shown in the figure, a handle for operating the handle stopper 71 is provided at the open side edge of this type of pivotable door.
The handle rotates around the handle shaft 72, and the handle stopper 71 having the lock receiving portion 73 inside the door rotates due to the operation of the handle, so that the lock hook 74 provided on the inner surface of the housing on the main body side is rotated. The door is closed by hooking the handle stopper 71.

On the inner surface of the housing of the main body of the device, a tip side lever 76 that rotates about a lever shaft 75 is provided near the lock hook 74, and a solenoid 77 rotates the tip side lever 76 counterclockwise. When it is turned to, the lock receiving portion 73 is locked by the hook-shaped tip of the tip-side lever 76, and the door is maintained in the closed state.

A sensor 78 such as a proximity switch is provided on the lock hook 74. When the solenoid 77 is actuated, the sensor 78 detects the presence of the handle stopper 71 to move the front end lever 76. It was determined whether or not it was in the lockable state.

[0006]

In the conventional lock mechanism illustrated, the solenoid 77 locks the handle in a locked state, for example, in a state where the handle is operated to open the door due to vibration or intention. Even if you try to release the stopper shaft 73, the stopper shaft 73
Since the solenoid 77 is caught, the solenoid 77 cannot be retracted and the lock cannot be released in some cases. As a measure against such a case, the handle is rotated in the closing direction to remove the load on the stopper shaft 73 and the tip side lever 76, and in this state, the solenoid 77 is operated.
The lock can be released by energizing and retreating. That is, it is necessary to rotate the handle to a position where it can be unlocked and then intermittently energize the solenoid 77.

Further, since the lock state is determined by the single sensor 78, the ON / OFF switching point of the sensor 78 is surely locked at the position where the rotary washer / dewaterer is operating (the handle stopper is locked). When the handle is operated due to, for example, vibration or intention, when it is in a position deeply hooked in the hook 74), ON / OFF of the sensor 78 is switched, and the door is closed, It is judged to be in an electrically opened state. Also, the sensor 78
If the ON / OFF switching point of is not in the position where it is locked securely and is in the switching position (the position where it can be finally locked), the operation will start even if it is not locked securely, and the door will be opened during operation. There is a risk that

The present invention has been proposed in view of the above circumstances, and an object thereof is to prevent a drive source such as a solenoid from interfering with a force applied to a steering wheel when the steering wheel is unlocked from the steering wheel locked state. An object of the present invention is to provide a lock mechanism of a pivotable opening / closing door that can be operated without any action. Further, in the locked state of the steering wheel during operation, even if the steering wheel is operated due to vibration or intention, for example, the pivotable opening / closing door can reliably maintain the locked state and prevent accidental operation interruption of the device. It is intended to provide a lock mechanism of.

[0009]

SUMMARY OF THE INVENTION The present invention has been proposed to achieve the above object, and a device according to claim 1 is provided in an apparatus having a pivoting opening / closing door, and the opening / closing door is The handle stopper that rotates in synchronization with the movement of the shaft of the handle that is opened and closed is hooked in the lock hook provided on the device side to close the door and the lock stopper provided on the handle stopper. A lock mechanism for a rotary door that locks the handle by engaging a lock portion of a lock lever member with the lock lever member, the lock mechanism converting the lock lever member into a locked state and an unlocked state. A lock lever member is provided with a drive source, and the lock lever member is divided into a drive source side lever connected to the lock drive source and a tip side lever having a lock portion, and is fixed coaxially. , The lock source includes a co-rotating portion for forcibly co-rotating the tip-side lever only when the drive-source-side lever is turned to the lock side by the lock operation, and the drive-source-side lever and the tip-side lever are elastic members. It is concluded by the.

According to a second aspect of the present invention, it is possible to detect whether or not the handle is in a lockable position and to send a lockable signal when detecting that the handle is in a lockable position, A second sensor that detects whether or not the lock lever member is in the locked position and sends a lock signal when the locked state is detected, and a control device electrically connected to the two sensors and the lock driving source. During operation of the device, the control device determines that the open / close door is locked while receiving either the lockable signal or the lock signal, and continues to operate the device. The lock mechanism for a pivotable opening / closing door according to claim 1.

According to a third aspect of the present invention, it is possible to detect whether or not the handle is in the lockable position and to send a lockable signal when detecting that the handle is in the lockable position, and After the handle stopper rotates in the closing direction and is hooked on the lock hook, the handle stopper can be detected before the handle reaches the lockable position. When the handle stopper is detected, the closing signal is sent. The sensor of No. 3 and the control device electrically connected to the two sensors and the lock driving source are provided, and when the device is in operation, the closing signal is received even if the reception of the lock enable signal is stopped. While the door is locked, the control device determines that the door is locked and continues to operate the equipment.When the reception of the closing signal is stopped, it is determined that an error has occurred and the operation of the device is stopped. A locking mechanism of the revolvable door according to claim 1, wherein the door.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. It should be noted that in the following embodiments, as a device having a rotary opening / closing door that is opened / closed by rotating about a shaft, for example, a rotary washing / dewatering / drying machine installed in a facility such as a coin laundry is used. An example will be described.

FIG. 1 shows a rotary washer-dewatering / drying machine for washing using water as a cleaning liquid as an apparatus (apparatus) to which the present invention is applied. (A) is a front view thereof, and (b) is thereof. It is a side view.

As shown in the drawing, a rotary washer / dewaterer / dryer 1
Is provided with a rotary opening / closing door 4 which is opened / closed by being rotated around an axis such as a hinge in an opening 3 formed substantially in the center of the front surface of the housing 2, and a desired course is provided above it. An operation panel 5 for selecting and a coin insertion portion 6 for inserting coins and the like are provided. As the desired course, for example, a washing and drying course, a washing only course, a drying only course, and a course in which the drying time is different are set.

Although illustration of the internal structure is omitted, the housing 2
Inside, a horizontal cylindrical shell is provided on a frame via a support spring, and a horizontal rotary drum is rotatably housed inside the shell so as to face the front opening. Is configured so that it can be rotated at an arbitrary rotation speed by operating a motor under the control of a control device 8 electrically connected to the operation panel 5 and the like.

In order to open and close the front opening 3 of the housing 2, an opening / closing door 4 attached to the front opening 3 is configured to be opened / closed by rotating a handle 7, and when the opening / closing door 4 is opened, it is washed. It is possible to put an item in a rotary drum or take out an object to be washed which has been washed and dried. The handle 7 provided on the opening side edge of the opening / closing door 4 and the main body side housing 2 located in the vicinity thereof are provided with the lock mechanism 10 according to the present invention.

FIG. 2 shows the lock mechanism 10 of the first embodiment.
The main body side is shown, and (a) is its front view,
(B) is the side view. Further, FIG. 3 is a front view showing a locked state in the lock mechanism 10 of the first embodiment. Further, FIG. 4 shows the lock mechanism 10 of the first embodiment.
FIG. 4 is a front view showing a lock release impossible state in FIG. FIG. 5 is a front view showing the unlocked state of the lock mechanism 10 of the first embodiment.

In the present embodiment, the opening / closing door 4 is formed as a circular door having a glass observation window through which the inside of the rotary drum can be visually recognized, and rotates about a rotary shaft 9 (see FIGS. 6 and 7). As shown in FIG. 3, the handle 7 is a rotary type that opens and closes by opening and closing, and as shown in FIG. 3, the handle 7 rotates around a handle shaft 11 that is provided in a state of penetrating the door in the front-rear direction. Handle shaft 11
A substantially fan-shaped handle stopper 12 is attached to the inner surface of the door so as to rotate together with the handle shaft 11 when the handle is operated, and the lower end of the handle stopper 12 has a short shaft shape. The lock receiving portion 13 of is fixed. The lock receiving portion 13 is not limited to the shaft shape as long as the rotation in the opening direction is restricted by the lock portion described later, and may be, for example, a protrusion or a simple contact portion.

A door lock base 14 made of a rectangular metal plate or the like is arranged on the front surface of the main body side housing located on the side opposite to the rotary shaft 9 of the door 4. A lock hook base 15 having a plate shape is provided with a lock hook 16 having an L-shaped vertical cross-section at a predetermined distance from the lock hook base 15. The predetermined interval is an interval sufficient for the handle stopper 12 to enter between the lock hook base 12 and the lock hook 16, and the handle stopper 12 having the lock receiving portion 13 is rotated by operating the handle 7. When the handle stopper 12 is moved into the lock hook 16 provided on the inner surface of the housing on the main body side, the open / close door 4 is closed.

On the door lock base 14,
Below the lock hook 16, a lock lever member 22 that rotates about a lever shaft 21 is provided. The lock lever member 22 is a rod-shaped member having a lock portion 22a in the shape of a key at its tip, and its base 2
By operating 2b with the solenoid 31, the lock portion 22a is rotated around the lever shaft 21 as a fulcrum shaft. The lock lever member 22
Comprises a drive source side lever 24 on the base end side and a tip side lever 25 on the tip side, the details of which will be described later.

The solenoid 31 functions as a lock driving source for converting the lock lever member 2 into a locked state and an unlocked state. The solenoid bracket 3 is provided on the door lock base 14 on the left side of the lock hook 16.
The bistable latching solenoid is used in this embodiment, for example. An arm shaft 34 is provided at the tip of the solenoid arm 33 that moves forward and backward when the solenoid 31 is energized. The arm shaft 34 is inside the elongated hole 23 formed at the base end 22b of the lock lever member 22. By engaging with the lock lever member 22, the lock lever member 22 can be rotated. That is, when the solenoid 31 is energized and the solenoid arm 33 is advanced, the lock lever member 2
The second lock portion 22a rotates counterclockwise upward, and when the solenoid arm 33 is retracted, the lock portion 22a of the lock lever member 22 rotates clockwise downward.

The lock lever member 22 has a drive end lever 24 on the base end side which is set to a length from a rear end connected to the solenoid 31 to an intermediate portion between the lever shaft 21 and the lock portion 22a at the front end. The distal end side lever 25, which is set to the length from the portion pivotally attached to the lever shaft 21 to the lock portion 22a, is divided into two parts and is fixedly attached coaxially (lever shaft 21), and the solenoid 31 is locked. The drive source side lever 24 extends below the tip side lever 25 from the tip end portion of the drive source side lever 24 as a co-rotating portion forcibly co-rotating the tip side lever 25 only when the drive source side lever 24 rotates to the lock side. A pressing piece 22c is provided so as to be able to contact the lower edge of the wide portion of the tip-side lever 25, and the tip portion of the drive-source-side lever 24 and the middle portion of the tip-side lever 25 serve as elastic members. By fastening a ring 26,
It is possible for the lock lever member to rotate as an integrated lock lever member during the lock operation, and to rotate as two separate levers for the lock release operation. In addition,
The lock operation is an operation for switching from the unlocked state to the locked state.

Therefore, by operating the handle 7, the handle stopper 12 is rotated to intrude the handle stopper 12 into the lock hook 16 to close the open / close door 4, and in this state, the solenoid 31 is energized and the solenoid is closed. When the arm 33 is advanced (locking operation, lowered in the figure), the drive source side lever 24 rotates counterclockwise (lock side), whereby the pressing piece 22c moves the tip side lever 25 in the same direction. The handle 22 is forcibly co-rotated, and the lock portion 22a at the front end is stopped at a position that prevents the open rotation of the lock receiving portion 13 to lock the handle (lock state). That is,
The open / close door 4 is maintained in the closed state.

On the other hand, when the solenoid arm 33 is retracted (lock release operation), the lock receiving portion 13 is moved to the lock portion 22.
In a normal state in which the rotation of the tip side lever 25 is not blocked by pressing a, the lock lever member 22 rotates clockwise (lock release side) and the lock portion 22a is disengaged from the lock receiving portion 13 and unlocked. To do. Further, when the handle 7 is improperly operated and the lock receiving portion 13 presses the lock portion 22a to prevent the rotation of the front end side lever 25, the solenoid 31 is energized so that only the drive source side lever 24 operates. And returns to the lock receiving portion 13 and the lock receiving portion 13
When the pressing of a is released, the tip end side lever 25 is rotated clockwise by the elastic force of the spring 26 and the lock portion 22
a is disengaged from the lock receiving portion 13, and the lock is released. Since the solenoid 31 returns by energization, it is not overloaded.

A sensor 41 is provided on the tip side of the lock lever member 22, that is, in the vicinity of the tip side lever, which comes into contact with the lock receiving portion 13 of the handle stopper 12 which is rotated by the handle operation and which is turned on. Sensor 41
Is a first sensor that detects whether or not the handle 7 is in the lockable position and sends a lockable signal when detecting that the handle 7 is in the lockable position. / ON / OFF by non-contact
It is composed of an operating contact switch. Less than,
This sensor is called a door SW41.

Further, a protruding portion 27 protruding downward is formed on the base end side of the lock lever member 22, and the lower portion of the protruding portion 27 is turned on by the contact of the protruding portion 26. A sensor 42 is provided. The sensor 42 functions as a second sensor that detects whether or not the lock lever member is in the locked position and sends a lock signal when the locked state is detected. It is composed of a contact-type switch that is turned on / off by contact. Hereinafter, this sensor is referred to as a lock SW 42.

The door SW 41 and the lock SW 42 are electrically connected to the control device 8. Then, the control device 8 determines that the open / close door is locked during operation of the device and continues operation of the device while receiving either the lockable signal or the lock signal. It is configured. Therefore, during operation of the device, the door SW4 may be operated due to manual operation of the handle 7 or vibration.
Even if 1 is OFF, if the lock SW 42 is ON, the control device 8 determines that the device is in operation.

Next, the operation of the lock mechanism 10 of the first embodiment will be described. In a rotary washer-drying / drying machine installed in a facility such as a coin laundry, when the opening / closing door 4 is opened and the object to be washed is put into the rotating drum, the opening / closing door 4 is closed and the operation panel 5 is operated. Then, a desired course is selected, and if a softening agent is not needed, an unnecessary operation is performed and coins corresponding to the selected course are inserted into the insertion slot of the coin insertion unit 6. Then, if the inserted money is proper, the control device 8 starts the washing process and the like.

When the opening / closing door 4 is closed, first, the handle 7 is at the position (sideways) shown in FIG. 7. From this state, the handle 7 is rotated 90 degrees, and the handle 7 is shown in FIG. When it reaches the position (vertical direction), the opening / closing door 4 is closed. Here, FIG. 3 described above shows a state where the handle 7 is at the position (vertical direction) shown in FIG. 6 and the open / close door 4 is completely closed, and the handle is locked. In addition, the handle stopper 12,
Also, the lock receiving portion 13 fixed to the lower end portion thereof rotates in synchronization with the rotation operation of the handle 7.

Further, when the handle 7 is in the position shown in FIG. 7 (sideways), the mechanical elements arranged on the door lock base 14 on the main body side are in the state shown in FIG. Door 4
6 is closed and the handle 7 is rotated until it reaches the position (vertical direction) shown in FIG. 6, the handle stopper 12 enters the lock hook 16 on the main body side and is caught by the lock stopper 16, so that the opening / closing door 4 cannot be opened.

The lock receiving portion 13 fixed to the handle stopper 12 is rotated to the position shown in FIG. 3 in synchronization with the turning operation of the handle 7, and acts on the door SW 41 to turn it on. At this time, the door SW41 turns ON /
The switching point of OFF is always the lock lever member 2
The second hook-shaped lock portion 22a is hooked on the lock receiving portion 13 and is in a position where the handle is locked. When the door SW 41 is turned on and a lock enable signal is sent to the control device 8, coins can be inserted into the coin insertion portion 6, and at the same time coins are inserted, the handle lock operation by the lock mechanism of the present invention is performed. It is done automatically as follows.

That is, the solenoid 31 is energized, the solenoid arm 33 advances downward, and the tip side lever 25 is passed through the arm shaft 34 and the drive source side lever 24.
Rotates counterclockwise around the lever shaft 21 as a spindle, and the lock portion 22a locks the lock receiving portion 13 to prevent the lock receiving portion 13 from rotating counterclockwise (opening direction). . When the solenoid arm 33 of the solenoid 31 moves downward, the protrusion 27 provided at the lower end of the drive source side lever 24 comes into contact with the lock SW 42 to turn it on. Then, the lock SW 42 is turned on, a lock signal is sent to the control device 8, and the control device 8
After confirming the lock, the equipment starts to operate.

When the operation is completed, the solenoid arm 33 of the solenoid 31 is retreated upward by energization, the lock receiving portion 13 is unlocked, and the handle 7 can be opened counterclockwise. The opening / closing door 4 will be opened. It should be noted that when the steering wheel is locked during operation, the steering wheel 7 is rotated counterclockwise due to vibration or intention, and the door SW 41 is turned off.
Even in the FF state, if the lock SW 42 is in the ON state, the operation of the device is continued.

That is, even if the handle 7 is operated due to vibration or intention in the handle lock state while the device is in operation, if either one of the two sensors 41 and 42 is ON, the operation is surely performed. Since the lock state is maintained, the handle 7 is not rotated during driving to open the opening / closing door, and it is possible to effectively prevent the operation interruption of the device. Then, when the signals from both sensors 41, 42 stop, it is determined to be an abnormal state and the operation of the device is stopped.

When the handle 7 is rotated counterclockwise due to vibration or intention, the tip side lever 25
There is a case where the lock portion 22a of the above is caught by the lock receiving portion 13 and the front end side lever 25 does not rotate clockwise, and the lock cannot be released. However, the lock lever member 22 includes the drive source side lever 24 and the front end. Since the drive source side lever 24 is configured to be independently rotatable in the return rotation, the drive source side lever 24 is configured to be divided into two parts, as shown in FIG.
Only the drive source side lever 24 can be returned and rotated,
It is possible to prevent the solenoid 31 from being overloaded. Since the drive source side lever 24 and the tip side lever 25 are fastened together by the spring 26, they are attracted to each other, and the handle 7 is rotated clockwise so that the lock receiving portion 13 restrains the tip side lever 25. When the lever is released, the tip side lever 25 is driven by the elastic force of the spring 26 and the drive source side lever 2
No. 4 is pulled, and it returns to the position of the unlocked state and rotates. Therefore, it is not necessary to apply the conventional intermittent energization to the solenoid 31.

Next, the lock mechanism 50 of the second embodiment will be described with reference to FIGS. 8 and 9. FIG. 8 shows the main body side of the lock mechanism 50 of the second embodiment,
9A is a front view thereof, and FIG. 9B is a side view thereof.
[Fig. 6] is a front view showing a locked state in the lock mechanism 50 of the second embodiment. It should be noted that members having the same configurations as those in the first embodiment will be described with the same reference numerals.

As shown in the figure, in the lock mechanism 50 of the second embodiment, the lock SW 42 of the first embodiment is used.
Is not provided, and instead of this, the lock hook 16
A handle stopper 12 that is rotated by a handle operation at a position where an ON / OFF switching point exists before the position where the handle 7 can be locked
A sensor 51 that is turned on by the presence of After the handle stopper 12 pivots in the closing direction and is hooked on the lock hook 16, the sensor 51 is operated by the handle 7
The handle stopper 12 can be detected before reaching the lockable position, and when the handle stopper 12 is detected, it functions as a third sensor that sends a closing signal. The sensor 51 is composed of, for example, a proximity switch that is turned on / off depending on the presence / absence of an object to be detected, and is hereinafter referred to as a handle SW51.

The handle SW51 is attached to the lock hook base 15 via the switch bracket 52. In the present embodiment, the handle SW51 is located at an intermediate position of the turning angle (90 degrees) of the handle 7 shown in FIGS. It is set to switch to ON operation at around 45 degrees.

Since the control device 8 in this embodiment determines the closed state of the open / close door 4 by the handle SW51, even if the door SW41 is turned off, the handle SW51 is turned off.
If N operation is performed and a closing signal is transmitted, the closing signal is received and it is determined that the device is in operation. Further, as in the first embodiment, when the door SW 41 is turned on and sends the lockable signal, the control device 8 receives this signal and the coin is ready to be inserted into the coin inserting unit 6, so that the coin can be inserted. When is turned on, the operation of the equipment will start.

In the second embodiment, in the state where the steering wheel is locked during driving, the steering wheel 7 is rotated counterclockwise due to, for example, vibration or intention, and the door SW is swung.
Even when 41 is turned off, the handle SW51 is turned on
If so, the equipment continues to operate. In addition, the steering wheel SW51 is turned off during operation and the control device 8
When stops receiving the closing signal, the control device 8 judges that it is in an abnormal state and stops the operation of the device.

In this embodiment, when the handle 7 cannot be unlocked due to a hand being put on it, basically the same operation as in the first embodiment occurs, and only the drive source side lever 24 is operated. When it returns and rotates, and then the handle 7 is released to release the lock, the elastic force of the spring 26 causes the tip side lever 25 to return and rotate,
The lock is released from the lock receiving portion 13, and the lock is released.

In the first and second embodiments described above, the opening / closing door 4 of the rotary type washing / dewatering / drying machine installed in a facility such as a coin laundry has been described as an example.
The present invention is not limited to this, and can be applied to various devices provided with a pivotable opening / closing door that pivotally opens and closes.

Further, the co-rotating portion in the present invention is not limited to the pressing piece 22c provided on the drive source side lever, and when the drive source side lever is rotated to the lock side by the lock operation of the lock drive source. Any configuration may be used as long as the tip side lever can be forcibly rotated together. For example, open a long hole in the drive source lever in the direction of rotation,
A combination of the elongated hole and the engaging protrusion may be provided by projecting the engaging protrusion to be inserted into the elongated hole on the side surface of the tip side lever. In this structure, when the engaging projection is located at one end (upper end) of the elongated hole, it can be forcibly rotated in the direction of the one end, and the engaging projection is long when rotating in the opposite direction. It becomes free within the range where it can move in the hole, so that the tip side lever can be forcibly co-rotated only when the drive source side lever rotates to the lock side due to the locking operation of the lock drive source. Only the drive-source-side lever can be returned and rotated in the state where is left. In addition, the elastic member (spring) is provided in a state in which the engaging protrusion is biased in a direction in which the engaging protrusion contacts one end of the elongated hole.

[0044]

As described above, according to the present invention, even if the lock cannot be released by applying an extra force to the handle, the lock drive source returns the lever on the drive source side, and then the lock is performed. When the state becomes possible, the elastic force of the elastic member can return the tip side lever to unlock. Therefore, the control of the lock drive source can be simplified, and the intermittent energization unlike the conventional case is unnecessary.

In addition, when the steering wheel is locked while the device is in operation, even if the steering wheel is operated by vibration or intention, the locked state is surely maintained as long as one of the two sensors is ON. Therefore, the handle is not rotated during driving and the opening / closing door is not opened, and it is possible to effectively prevent interruption of the operation of the device.

[Brief description of drawings]

FIG. 1 shows a rotary washer-dewatering / drying machine for washing using water as a washing liquid as a device to which the present invention is applied, in which (a) is a front view thereof and (b) is a side view thereof. Is.

2A and 2B show a main body side in the lock mechanism of the first embodiment, FIG. 2A is a front view thereof, and FIG. 2B is a side view thereof.

FIG. 3 is a front view showing a locked state in the lock mechanism of the first embodiment.

FIG. 4 is a front view showing an unlockable state in the lock mechanism of the first embodiment.

FIG. 5 is a front view showing a released state of the lock mechanism according to the first embodiment.

FIG. 6 (a) is a front view showing a pivotable opening / closing door, and FIG. 6 (b).
FIG. 6 is a side view showing a handle position in a lockable state.

FIG. 7 is a front view showing a pivotable opening / closing door and a position before a handle is rotated.

FIG. 8 shows the main body side of the lock mechanism of the second embodiment, (a) is a front view thereof, and (b) is a side view thereof.

FIG. 9 is a front view showing a locked state of the lock mechanism according to the second embodiment.

FIG. 10 is a front view showing a conventional lock mechanism.

[Explanation of symbols]

1 rotary washing dewatering dryer 2 housing 3 openings 4 open / close door 5 Operation panel 6 Money input department 7 handle 8 control device 9 rotation axis 10 Lock mechanism 11 handle shaft 12 Handle stopper 13 Lock receiving part 14 door lock base 15 Lock hook base 16 lock hook 21 lever shaft 22 Lock lever member 22a Lock part 22b base end 22c pressing piece 23 long hole 24 Drive source side lever 25 Tip lever 31 Solenoid 32 solenoid bracket 33 Solenoid arm 34 arm shaft 41 sensor (door SW) 42 sensor (lock SW) 50 lock mechanism 51 sensor (handle SW) 52 switch bracket

Claims (3)

[Claims] 1. A lock hook provided on a device main body side, wherein a handle stopper provided on a device provided with a rotary opening / closing door and rotating in synchronization with a movement of a shaft of a handle for opening / closing the opening / closing door The door is closed by being hooked on the door, and the lock receiving portion provided on the handle stopper is engaged with the lock portion of the lock lever member to lock the handle so that the handle is locked. A mechanism, comprising a lock drive source for converting the lock lever member into a locked state and an unlocked state, wherein the lock lever member is a drive source side lever connected to the lock drive source, and a tip forming a lock portion. It is divided into the side lever and fixed coaxially, and only when the drive source side lever rotates to the lock side due to the lock operation of the lock drive source, the tip side lever Forcibly with the co-rotation portion for rotating together, the drive source-side lever and the revolvable door locking mechanism, characterized in that it is fastened by an elastic member from the leading end side lever. 2. A first sensor that sends a lock enable signal when it detects whether the handle is in a lockable position and detects that the handle is in a lockable position, and a lock lever member is in a locked state. A second sensor that sends a lock signal when detecting a locked state by detecting whether or not it is in a position, and a control device electrically connected to the two sensors and the lock driving source are provided. The control device determines that the open / close door is locked while receiving either the lockable signal or the lock signal, and continues the operation of the device. Locking mechanism for the pivoting open / close door described. 3. A first sensor that sends a lock enable signal when it detects whether the handle is in a lockable position and detects that it is in a lockable position, and a handle stopper rotates in a closing direction. A third sensor that can detect the handle stopper before the handle reaches the lockable position after being moved and hooked on the lock hook, and sends a closing signal when the handle stopper is detected; A sensor and a control device electrically connected to the lock driving source, and the door is locked while the device is operating and the closing signal is received even if the reception of the lock enable signal is stopped. The controller judges that it is done and continues to operate the equipment,
2. The lock mechanism for a pivotable opening / closing door according to claim 1, wherein when the reception of the closing signal is stopped, it is determined that an abnormality has occurred and the operation of the apparatus is stopped.