JPH0730266U - Elevator hall door unlock key - Google Patents

Abstract

(57) [Summary] [Purpose] To provide an elevator landing door unlocking key that is convenient to carry and improves the work efficiency of maintenance personnel by compactly integrating the rotating key and the push-up key. [Structure] A rotary key 13 is provided at the other end of a handle 9 having an extended portion on one end side as a push-up key 10 via a hinge portion 11, and the hinge portion 11 and the rotary key 13 are connected to each other. The pivotal key 13 can be folded with respect to the handle 9 by using the pivot support structure.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a landing door unlocking key of an elevator used when unlocking a landing door from a landing side.

[0002]

[Prior art]

 Depending on the model, the elevator door unlocking key is a rotating key type that unlocks the elevator door by inserting it into the keyhole provided in the elevator door, and is provided on the ceiling of the three-way frame. There is a push-up key type that unlocks the landing door by inserting it into a keyhole and pushing up.

FIG. 3 is a perspective view showing a state in which a conventional rotary key type unlocking key is inserted into a keyhole of a hall door. In the figure, reference numeral 1 is a hall door, and 2 is a hall side of the hall door 1. The keyholes 3 engraved on the key are unlocking keys which are inserted into the keyhole 2 and rotated. As shown in the figure, the unlocking key 3 of this type is first pushed in from the front in the direction of arrow A and then inserted into the keyhole 2 generally provided at the upper corner of the landing door 1 on the closed end side. After that, the hall door 1 can be unlocked by rotating the hall door 1 by a predetermined amount in the direction of the arrow B, whereby the hall door 1 can be manually opened in the direction of the arrow C from the hall side.

Incidentally, the keyhole 2 of the hall door 1 is generally located above because of consideration of design and tampering prevention. In order to allow even small maintenance personnel to insert the unlocking key 3 into the keyhole 2 located at a high place and rotate it, a bar-shaped grip is attached to the rear end of the unlocking key 3. Something that has been done is also known.

FIG. 4 is a perspective view showing a state in which a conventional push-up key type unlocking key is inserted into a keyhole of a three-way frame. In the figure, reference numeral 1 is a landing door, 4 is a three-way frame, and 5 is A keyhole 6 is engraved on the ceiling 4a of the three-way frame 4, an unlocking key 6 that is inserted into the keyhole 5 and pushed up, and a gripping portion 7 of the unlocking key 6. As shown in the figure, the unlocking key 6 of this type is held by a grip 7 and pushed up in the direction of arrow D from below, and is generally provided in a three-way frame ceiling 4a near the closed end of the hall door 1. The hall door 1 can be unlocked by inserting it into the vehicle 5 and pushing it up a certain amount as it is, whereby the hall door 1 can be manually opened in the direction of arrow E from the hall side.

[0006]

[Problems to be solved by the device]

 By the way, of the above-mentioned conventional landing door unlocking keys, the push-up key type unlocking key 6 is a key having a large length dimension, and the rotating key type unlocking key 3 also has a bar-shaped grip portion. If it is attached, it will be a big key, but it is inconvenient for the maintenance personnel who perform maintenance and inspection work of the elevator to carry these two types of unlocking keys 3 and 6 because they carry bulky items. However, there was a problem that the work efficiency was also hindered.

Therefore, an object of the present invention is to solve the problems of the prior art and provide an elevator landing door unlocking key that is convenient to carry and can improve the work efficiency of maintenance personnel.

[0008]

[Means for Solving the Problems]

 The above object of the present invention is achieved by providing a foldable key at the other end of a handle having a push-up key at one end. At this time, a hinge portion may be provided between the handle and the rotary key, and the cross-sectional shape of the handle may be substantially matched with the cross-sectional shape of the push-up key. The extended portion of the handle may be used as the push-up key.

[0009]

[Action]

 The landing door unlocking key, which has a swingable key at the other end of the handle with a push-up key at one end, is foldable and can be used both as a rotary push-up and unlocking key. , It is convenient to carry because the size can be made the same as a push-up key with a handle by folding the rotating key. Also, if a hinge is provided between the handle and the rotating key, the handle can be rotated while pushing up the hinge, so it is possible to place it at a relatively high place. The rotary key inserted into the keyhole can be easily rotated by a small maintenance person. Also, if the cross-sectional shape of the handle is made to substantially match the cross-sectional shape of the push-up key and the extended portion of this handle is used as the push-up key, the structure can be simplified and the rotary push-up can be performed easily. It will be the unlock key.

[0010]

【Example】

 An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. Here, FIG. 1 is a perspective view showing the outer appearance of the unlocking key that is also used as the rotary push-up according to the present embodiment, and FIG. 2 is a state in which the unlocking key of the same embodiment is inserted into the keyhole of the hall door and is rotated. 2 is a hall door, and 2 is a keyhole formed on the hall side of the hall door 1.

In FIGS. 1 and 2, reference numeral 8 generally indicates an unlocking key that also serves as a push-up lever. The unlocking key 8 has an elongated handle 9 having a substantially U-shaped cross section and this handle. The push-up key 10 having the same sectional shape as that of the body 9 and formed at one end of the handle 9 and the plate piece 11b and the handle 9 provided with a support shaft 11a at the other end of the handle 9. The hinge portion 11 is configured to openably and closably connect with each other, and the rotary key 13 pivotally attached to the plate piece 11b of the hinge portion 11 via the pin 12. Then, in the state shown in FIG. 1, if the tip portion of the rotary key 13 is pushed in the direction of the arrow F, the pin 12 rotates around the pin 12 and the tip portion can be inserted into the opening 9a of the handle 9. The rotary key 13 can be folded into the handle 9 when it is not needed.

Now, when the unlocking key 8 is applied to the keyhole 2 provided at the upper corner of the hall door 1, the turning key 13 is pulled out from the inside of the handle 9. After inserting the key 13 into the keyhole 2 and rotating the rotary key 13 in the direction of the arrow B by a predetermined amount, the hall door 1 can be unlocked. When the rotary key 13 is slightly rotated through the portion 11, if the shaft 11a of the hinge portion 11 is pushed up in the direction of arrow G by the handle 9 as shown in FIG. Since the rotary key 13 can be rotated in the direction of the arrow B via the rotary key 13, even a small maintenance person can easily rotate the rotary key 13. Even when the rotary key 13 is inserted into the keyhole 2 located at a relatively high place, if the handle 9 is held by hand and the rotary key 13 in the state shown in FIG. 1 is inserted, Even small maintenance personnel can easily perform insertion work.

When the unlocking key 8 is applied to the keyhole provided in the ceiling of the three-sided frame, the rotary key 13 is folded and the end of the handle 9 on the hinge portion 11 side is closed. The hall door can be unlocked by holding the part by hand and inserting the push-up key 10 into the keyhole from below and pushing up the push-up key 10 as it is by a predetermined amount.

As described above, the unlocking key 8 includes the push-up key 10 and the turning key 13, and is a landing door unlocking key that can be used for two types of keyholes and also serves as a turn-up push-up key. It can be folded to have the same size as the push-up key 10 with the handle 9, and the push-up key 10 has a simple structure in which the extended portion of the handle 9 is used. Therefore, it is an unlocking key that can be easily carried by elevator maintenance personnel and is easy to manufacture and that can also be used as a rotary push-up. Further, since the unlocking key 8 can rotate the rotating key 13 while pushing up the hinge portion 11 by the handle 9, the rotating key 8 inserted into the keyhole 2 located at a relatively high place can be rotated. Even a small maintenance person can easily rotate the key 13, and the operability is good.

[0015]

[Effect of device]

 As described above, the landing door unlocking key according to the present invention is the unlocking and unlocking key that is configured by the pivoting key being foldably provided at the other end of the handle having the pushing key at one end. Since it is a key, it has an excellent effect that it is convenient for an elevator maintenance staff to carry and can improve work efficiency. Also, if a hinge is provided between the handle and the rotating key, a small maintenance is possible. This has the effect that even a staff member can easily rotate the rotary key to ensure good operability, and if a simple structure is adopted in which the extended portion of the handle is used as a push-up key. It has the effect of being more compact and reducing manufacturing costs.

[Brief description of drawings]

FIG. 1 is a perspective view showing an appearance of an unlocking key that also serves as a rotary push-up key according to the present embodiment.

FIG. 2 is a front view showing a state where the unlocking key of the embodiment is inserted into a keyhole of a landing door and is being rotated.

FIG. 3 is a perspective view showing how a conventional rotary key type unlocking key is inserted into a keyhole of a landing door.

FIG. 4 is a perspective view showing a state where a conventional push-up key type unlocking key is inserted into a keyhole of a three-way frame.

[Explanation of symbols]

 1 Landing Door 2 Keyhole 8 Rotating Push-up and Unlocking Key 9 Handle 10 Push-up Key 11 Hinge 11a Spindle 12 Pin 13 Rotating Key

Claims (4)

[Scope of utility model registration request] 1. A hall side comprising a rotary key which is inserted into a keyhole provided in a landing door and is rotationally operated, and a push-up key which is inserted into a keyhole provided in a ceiling of a three-way frame and pushed up. In an elevator landing door unlocking key used for unlocking a landing door from, the pivot key is foldably provided at the other end of the handle having the push-up key at one end. Elevator landing door unlock key. 2. The elevator door unlocking key according to claim 1, wherein a hinge is provided between the handle and the rotary key. 3. The elevator door unlocking key according to claim 2, wherein the pivot key is pivotally attached to the hinge portion. 4. The push-up key according to claim 1, wherein the cross-sectional shape of the handle is substantially matched with the cross-sectional shape of the push-up key, and the extended portion of the handle is used as the push-up key. Elevator landing door unlock key.