JP2517895Y2 - Drum type washing / dehydrating machine with door lock - Google Patents

Description

[Detailed description of the device] [Industrial applications]

The present invention relates to a drum type washer / dewaterer having a rotating drum in a cabinet, and more particularly to a drum type washer / dewaterer whose door is locked by an electric motor. In this specification, the drum-type washing / dehydrating machine means either a drum-type washing machine or a drum-type dryer.

2. Description of the Related Art A drum type washing / dehydrating machine is described in JP-A-1-230390. The washing / dehydrating machine with this structure has a rotating drum built into the cabinet. The cabinet is provided with a clothes inlet for taking laundry in and out of the rotating drum. The clothing inlet is closed during use. Therefore, a door having a door lock is provided at the clothes inlet. FIG. 4 shows a conventional door lock that locks the door to close the clothes inlet. The door lock shown in this figure is operated by the manual handle 1. This device includes a manual handle 1, a lock shaft 2, a door latch 3, a latch holder 4, and a spring 5. Manual handle 1
Is connected to the rear end of the lock shaft 2. Lock shaft 2
Are screwed into the door latch 3 to be connected. The door latch 3 is screwed to the cabinet 7 via a latch holder 4 and a height adjusting shim 6. In the door lock of this structure, the lock shaft 2 is rotated by the manual handle 1 and the lock shaft 2 is screwed into the door latch 3 to lock the door. To release the door lock, the manual handle 1 is rotated in the opposite direction and the lock shaft 2 is pulled out from the door latch 3.

[Problems to be solved by the device]

With the door lock having this structure, the door cannot be reliably locked depending on the rotation of the manual handle 1. In order to lock the door securely, it is necessary to rotate the manual handle 1 until it cannot be rotated. The door cannot be securely locked unless the manual handle 1 is completely rotated. Therefore, the door lock having this structure has a drawback that no one can lock the door securely. The door lock, which is driven by a motor and automatically stops the rotation of the motor when the lock shaft is screwed into the door latch to a fixed position, has the feature that it can be locked securely by anyone. However, in the automatic door lock having this structure, the door cannot be opened or closed when an electrical failure such as a disconnection or a poor contact, a power failure, or a mechanism failure. In this state, clothes are left in the washing tub for a long time, causing a clothes accident, and the door cannot be opened / closed, so that the operation cannot be continued. The manual handle is detachably connected to the door lock. When operating the door lock, the manual handle is connected to the door lock and is separated from the door lock when the manual handle is not used. Therefore, it is necessary to store an unnecessary manual handle, and if it is lost, there is a drawback that it cannot be operated. This invention was developed with the purpose of solving these drawbacks, and the important purpose of this invention is that the lock operation can be performed easily, easily and surely, and in the event of an unexpected breakdown or power failure, (EN) Provided is a drum-type washing / dehydrating machine having a door lock which can be manually operated by one-touch operation. Another important object of the present invention is to provide a drum type washing / dehydrating machine having a door lock that allows the handle to be easily taken out when the handle is used in the event of a power failure or failure.

[Means for solving the problem]

The drum type washer / dewaterer having a door lock according to the present invention has the following configuration in order to achieve the above-mentioned object. (A) The drum type washing / dehydrating machine has a cabinet 7 having a clothes inlet 8 for putting laundry in and out of the drum, and the clothes inlet 8 is provided with a door which can be opened and closed. (B) The door is connected to the cabinet 7 via a door lock so that the door can be locked in a state where the clothes insertion port 8 is closed. (C) The door lock includes an electric motor 9, a lock shaft 2 that is rotated by the electric motor 9 and is detachably connected to the cabinet 7, a manual handle 1 that is detachably connected to the lock shaft 2, and a lock shaft. And a door latch 3 to which 2 is connected. (D) The electric motor 9 and the lock shaft 2 are mounted on the door. (E) The door latch 3 to which the lock shaft 2 is connected is attached to the cabinet 7. (F) The lock shaft 2 is a connecting portion that detachably connects the manual handle 1 so that the lock shaft 2 can be manually rotated in the event of a failure or power failure.
Having 10. The connecting portion 10 of the lock shaft 2 is exposed on the surface of the door so that the manual handle 1 can be connected thereto. However, the connecting portion 10 of the door lock may be exposed on the surface of the door when the manual handle 1 is connected. Therefore, the lid 11 can be closed when the manual handle is not used. (G) The cabinet 7 is provided with a storage box 12 so that the unnecessary manual handle 1 can be stored and can be taken out at any time when it is used.

[Action]

The drum type washing / dehydrating machine having the door lock according to the present invention can be operated in a locked state by rotating the lock shaft 2 with either the electric motor 9 or the manual handle 1. In a normal use state, the electric motor 9 rotates the lock shaft 2 to lock the door in a closed state or release the locked state. At the time of power failure or when the electric motor 9 fails, the manual handle 1 is connected to the lock shaft 2 to rotate the lock shaft 2. The manual handle 1 is stored in the storage box 12 of the cabinet 7 when it is not needed, taken out from here when used, and connected to the lock shaft 2 exposed on the door.

【Example】

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
However, the embodiments shown below exemplify a drum-type washing / dehydrating machine for embodying the technical idea of the present invention. The structure and arrangement are not specified in the structure below. The washing / dehydrating machine of the present invention is subject to various modifications within the scope of the claims for utility model registration. Further, in this specification, for easy understanding of the utility model registration request, the numbers corresponding to the members shown in the embodiment are referred to as "utility model registration request column" and "to solve conventional problems. It is added to the members shown in "Means for Action" and "Action". However, the members shown in the scope of claims for utility model registration are by no means limited to the members of the embodiment. The drum type washing / dehydrating machine having the door lock of FIG. 3 has a cabinet 7 having a clothes inlet 8 through which laundry is put in and taken out. A door is provided at the clothes opening 8 so as to be openable and closable. The cross-sectional shape of the door is shown in FIG. The door shown in these figures is composed of a door arm 13, an annular door frame 14 fixed to the door arm 13, and a door glass fixed to the door frame 14 via a packing 15. In the door having this structure, the door glass 16 closes the clothes insertion port 8 through the packing 15 in the closed state. The door is attached to the cabinet 7 via a hinge bearing 17 so that the door can be opened and closed. Hinge bearing hinge shaft 18
Rotatably penetrates the door arm 13. The door lock that locks the door to the clothes inlet 8 is an electric motor 9 and a lock shaft 2 that is removably connected to the cabinet 7 by being rotated by the electric motor 9 via a gear.
And a manual handle 1 that is detachably connected to the lock shaft 2.
And a door latch 3 to which the lock shaft 2 is connected. FIG. 2 is a detailed view of the door lock shown in FIG. The electric motor 9 controls the locked state by rotating the lock shaft 2 via a gear. The electric motor 9 has a door arm 13
It is fixed to a gear box 19 fixed inside and is arranged so as to be hidden in the recess of the door glass 16. The electric motor 9 which can be arranged in this position can be mounted on the conventional door without improving the conventional door, that is, without providing a mounting space for the electric motor. The electric motor 9 rotates the gear inside the gear box 19. The drive gear 20, which is the last gear of the gearbox 19,
It is connected to the lock shaft 2. The lock shaft 2 includes a movable gear 2A that meshes with the drive gear 20,
It is composed of a movable shaft 2A and a latch shaft 2B which is coupled to the movable gear 2A so as not to rotate but to move in the axial direction. The connecting portion 10 of the lock shaft 2 is provided on the left side of the movable gear 2A in FIG. This movable gear 2A is provided with a lock gear 21 that is tubular at both ends and that meshes with the drive gear 20 in the middle. In FIG. 2, the cylinder 22 on the left side of the lock gear 21 has a circular outer cross section,
The cross section of the inner shape is designed in a square shape to form a connecting portion 10 for connecting the manual handle 1 thereto. Further, the tubular body 22 is rotatably supported by a sliding bearing 24 that opens a handle mounting hole 23 so as to be movable in the axial direction. The movable gear 2A is elastically pressed toward the sliding bearing 24 by a spring 25 provided between the lock gear 21 and the gear box 19. The lock gear 21 meshes with the drive gear 20 while the movable gear 2A is pushed toward the sliding bearing 24. When the manual handle 1 is inserted into the movable gear 2A and the movable gear 2A is pushed by the manual handle 1, the lock gear 21 is disengaged from the drive gear 20. The cylinder 26 provided to the right of the movable gear 2A has a latch axis 2B.
It does not rotate but is connected so that it can move in the axial direction. Therefore, the tubular body 26 is designed in a rectangular tubular shape into which the tip of the latch shaft 2B can be inserted. The latch shaft 2B is rotatably connected to the gear box 19 and inserted into the tubular body 26 of the movable gear 2A. A male screw to be screwed into the door latch 3 is provided at the tip portion of the latch shaft 2B, and the tip edge is slightly thinned. The door latch 3 into which the latch shaft 2B is screwed is connected to the latch holder 4 via a pin 27 in a state where it can be loosened to some extent. The latch holder 4 is screwed to the cabinet 7 with the height adjusting shim 6 interposed therebetween. Door latch 3
The spring 5 is interposed between the latch holder 4 and
The door latch 3 is pressed by the spring 5. The manual handle 1 has an angular shaft 28 that is inserted into the movable gear 2A. The square shaft 28 is removably inserted into the tubular body 22 that is a connecting portion of the movable gear 2A to rotate the movable gear 2A. Further, in the manual handle 1 shown in FIG. 2, a hook 30 projects on the outer periphery of the boss 29. The hook 30 is guided by a guide groove 31 provided inside the sliding bearing 24. Guide groove 31
Has an L shape. The guide groove 31 having this shape inserts the tip portion of the boss 29 of the manual handle 1 into the opening of the sliding bearing 24, and slightly rotates the boss 29 to allow the manual handle 1 to slide through the hook 30. Can be connected to. The hook 30 and the guide groove 31 of the manual handle 1 are adjusted to a position where the lock gear 21 of the movable gear 2A is separated from the drive gear 20 in a state where the manual handle 1 is connected to the sliding bearing 24. That is, when the manual handle 1 is connected to the movable gear 2A, the latch shaft 2B is not rotated by the electric motor 9. The movable gear 2A is pressed by the spring 25 and is connected to the drive gear 20 when the manual handle 1 is not connected. When the manual handle 1 is connected to the movable gear 2A and pressed, the movable gear 2A is designed to be separated from the drive gear 20 so that the movable gear 2A is rotated by the lock gear 21 and is not rotated by the electric motor 9. There is. By guiding the hook 30 into the guide groove 31, the manual handle 1 is connected to the sliding bearing 24 so as not to come off. The opening of the sliding bearing 24 is closed by the lid 11 when the manual handle 1 is not used. The lid 11 has a protrusion 32 that can be guided in the guide groove of the sliding bearing 24. The protrusion 32 is put in the guide groove 31, and attached to the opening of the sliding bearing 24 so that the lid 11 does not come off. When the lid 11 is attached to the opening of the sliding bearing 24, the connecting portion 10 of the lock shaft 2 is hidden by the lid 11. When the lid 11 is opened, the connecting portion 10 of the lock shaft 2 is exposed to the outside of the door. The cabinet 7 has a storage box 12 for storing the manual handle 1, as shown in FIG. Storage box
Reference numeral 12 has an opening / closing lid 11, which is opened when the opening / closing lid 11 is opened so that the manual handle 1 can be put in and taken out. The drum type washing / dehydrating machine having the door lock shown in FIGS. 1 to 3 is used as follows. In a normal state, the electric motor 9 is rotated to lock and unlock the door. When using the electric motor 9, place the manual handle 1 on the cabinet 7
Store in storage box 12 of. The electric motor 9 is driven by a lock switch 33 and a lock release switch 34. In FIG. 3, the lock switch 33 is provided on the upper surface of the door arm 13, and the lock release switch 34 is provided on the front surface of the door arm 13. When the lock switch 33 is pressed, the electric motor 9 rotates the latch shaft 2B in the direction in which it is screwed into the door latch 3. After completely screwing the latch shaft 2B into the door latch 3, the electric motor 9 stops rotating. When the lock release switch 34 is pressed, the electric motor 9
Rotate 2B in the direction to pull it out of the door latch 3. Also at this time, the electric motor 9 is stopped after pulling out the latch shaft 2B from the door latch 3. In order to stop the rotation of the electric motor 9, it is possible to detect and stop the electric current supplied to the electric motor 9. The rotation of the electric motor 9 is driven by the drive gear of the gear box 19.
It is transmitted to the movable gear 2A via 20. The movable gear 2A rotates the latch shaft 2B inserted therein. When a power failure occurs or the electric motor 9 fails and the movable gear 2A cannot rotate, the manual handle 1 is taken out from the storage box 12 of the gear box 19, the lid 11 of the storage box 12 is opened, and the movable gear 2A is manually operated. Connect the handle 1. In the manual handle 1, the boss is inserted into the opening portion of the storage box 12, the hook of the boss is guided to the guide groove, and is pushed and rotated to be connected. In this state, the manual handle 1 is connected to the movable gear 2A, and the movable gear 2A is separated from the drive gear 20. Therefore, at the same time when the manual handle 1 is set, the torque transmission of the electric motor 9 is cut off, and the manual operation can be automatically performed. At this time, the movable gear 2A is separated from the drive gear 20 because the movable gear 2A is pushed and moved by the manual handle 1. The movable gear 2A is rotated by the manual handle 1, the latch shaft 2B is screwed into the door latch 3 to lock the door, and the latch shaft 2B is pulled out from the door latch 3 to release the locked state.

[Effect of device]

In the drum type washing / dehydrating machine having the door lock according to the present invention, the electric motor can rotate the lock shaft to lock or unlock the door. Therefore, there is a feature that all users can easily and easily lock and use the door securely. In addition, the drum type washing machine with the door lock of this invention
The dehydrator is equipped with a lock shaft with a connecting part exposed to the door.
Since the lock shaft can be rotated by connecting the manual handle here, even in the event of an unexpected failure or power failure, it can be switched to manual operation with a single touch. Therefore, even if an unexpected accident occurs, it is possible to prevent clothes from being trapped in the rotating drum for a long time, and to prevent operation stop due to poor opening / closing of the door. Furthermore, the drum type washing / dehydrating machine having the door lock according to the present invention is provided with a storage box for a manual handle in a cabinet. Therefore, a manual handle that is not used can be stored here, and when used, it can be conveniently stored without being lost by taking it out and connecting it to the lock shaft.

[Brief description of drawings]

1 is a sectional view of a door lock portion showing an embodiment of the present invention, FIG. 2 is an enlarged sectional view of the door lock portion shown in FIG. 1, and FIG. 3 is a front view of a drum type washing / dehydrating machine. FIG. 4 is a sectional view showing a door lock portion of a conventional drum type washing / dehydrating machine. 1 ... Manual handle, 2 ... Lock shaft, 2A ... Movable gear, 2B ... Latch shaft, 3 ... Door latch, 4 ... Latch holder, 5 ... Spring, 6 ... Adjustment shim, 7 ...
Cabinet, 8 ... Clothes inlet, 9 ... Electric motor, 10 ... Connecting part, 11 ... Lid, 12 ... Storage box, 13
…… Door arm, 14 …… Door frame, 15 …… Packing, 16…
… Door glass, 17 …… Hinge bearing, 18 …… Hinge shaft, 19 ……
Gearbox, 20 …… Drive gear, 21 …… Lock gear, 22
…… Cylinder, 23 …… Handle mounting hole, 24 …… Sliding bearing, 25
...... Spring, 26 …… Cylinder, 27 …… Pin, 28 …… Square axis, 29 …… Boss, 30 …… Hook, 31 …… Guide groove, 32…
… Protrusion, 33 …… Lock switch, 34 …… Unlock switch.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Tadatoshi Suga, 2-18, Keihan Hon-dori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Toshiaki Sakamoto 2--18-1, Keihan Hon-dori, Moriguchi, Osaka Inside the Yoko Denki Co., Ltd. (72) Inventor Yoshifumi Enami 2-18 Keihan Hon-dori, Moriguchi-shi, Osaka Sanyo Denki Co., Ltd. (72) Hideaki Matsunaga 2-chome Keihan-hondori, Moriguchi, Osaka Sanyo Sanyo Electric Machinery Co., Ltd. (72) Creator Hisato Shirakawa 2-18 Keihan Hondori, Moriguchi City, Osaka Sanyo Electric Co., Ltd. (56) Reference JP-A-63-151772 (JP, A) (JP, U)

Claims (1)

(57) [Scope of utility model registration request] 1. A drum-type washing / dehydrating machine having the following configurations (a) to (g). (A) The drum type washing / dehydrating machine has an openable / closable door at the clothes inlet (8) of the cabinet. (B) Door is cabinet (7) via door lock
Linked to (C) The door lock is detachable from the electric motor (9), the lock shaft (2) that is rotated by the electric motor (9) and is detachably connected to the cabinet (7), and the detachable lock shaft (2). It has a manual handle (1) to be connected and a door latch (3) to which a lock shaft (2) is connected. (D) The electric motor (9) and the lock shaft (2) are mounted on the door. (E) The door latch (3) is mounted on the cabinet (7). (F) The lock shaft (2) has a connecting portion (10) for detachably connecting the manual handle (1), and the connecting portion (10) of the lock shaft (2) is exposed on the surface of the door. . (G) The cabinet (7) has a storage box (12) for the manual handle (1).