JP2002227484A - Card type door lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a card type door lock easy to operate even in a locker room having comparatively dark illumination. SOLUTION: In the card type door lock, which has a hand grip recessed section 2 opened towards the front of a door 1 and a card inserting slot 3 and in which lock operation is permitted when a lock-operation permission card 4 with a fixed operation permission code is inserted into the card inserting slot 3, the card inserting slot 3 is constituted so that an inserting port 3a is formed to the rear of the bottom wall 2a of the hand grip recessed section 2 towards the open-close edge 1a side of the door 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a card type door lock used for locking and unlocking a locker door 1 and the like.

[0002]

2. Description of the Related Art As a locker for a locker for restricting the opening and closing operation of a door by inserting and removing a lock operation permission card, a locker disclosed in Japanese Utility Model Publication No. 7-54507 is known. In this conventional example, the locker door lock is
By inserting a predetermined lock operation permission card from the lock operation permission card insertion opening formed on the ceiling wall of the lock main body, the door can be locked and unlocked by the control button.

[0003]

However, the above-mentioned prior art has the following disadvantages. First, lockers are generally arranged in multiple stages, and it is difficult for a user of an upper locker having a high installation position to insert a lock operation permission card from above. In particular, the lighting in the locker room for use by outsiders is relatively bright, but the locker room used by facility personnel is darker than this, making it difficult to insert the lock operation permission card into the slot. Become.

The locker for a locker is usually provided with a display unit for displaying the use or non-use state. However, the display area is small and it is difficult to visually recognize the lock. There is a problem that it is not easy.

An object of the present invention is to solve the above-mentioned drawbacks, and an object of the present invention is to provide a card-type door lock which can be easily operated even in a locker room where the lighting is relatively dark.

It is another object of the present invention to provide a card type door lock which can be easily used or not.

[0007]

The card-type door lock has a handle recess 2 for providing a handle for opening and closing the door 1. A card insertion slot 3 of the lock operation permission card 4 is provided in the handle recess 2. It is formed on the back surface of the bottom wall 2a. The handle recess 2 used for opening and closing the door 1 is preferentially arranged at a position most suitable for opening and closing the door 1. Therefore, by arranging the card insertion slot 3 on the back surface of the handle recess 2, Good card insertion / removal operability is guaranteed. Also,
Since the card insertion slot 3 faces the front of the user with the door 1 opened, the usability is improved without having to look into and check the position.

Further, when the entire bottom wall 2a of the handle concave portion 2 is formed of a transparent body so that the non-use display mark 5 can be seen through, a separate display section is not provided.
Use and non-use can be distinguished. Since the handle concave portion 2 is formed relatively large in terms of its function, the visibility is significantly improved in the present invention in which the entire bottom wall 2a is used as a display portion.

[0009]

1 to 4 show an embodiment of the present invention configured as a locker lock. The card type door lock has a card insertion slot 3, an appropriate number of dials 7 exposed to the outside from the lock case 6, and a lock piece 8 which is operated to advance and retreat from the lock case 6. 6a and the lower case 6b are laminated and joined.

An operation knob 9 fixed to the locking piece 8 for operating the locking piece 8 is close to both the card insertion slot 3 for inserting the lock operation permission card 4 and the dial 7, thereby improving operability. The dial 7 and the card insertion slot 3 are arranged above and below the lock case 6 at the center thereof.

In order to use the unlocked locker, it is necessary to open the door 1 by operating the handle recess 2. The insertion slot 3 is arranged on the back of the handle recess 2 close to the user's line of sight when the door is open.

The handle recess 2 has an appropriate depth and is open toward the front, and the opening / closing edge 1 of the door 1 of the handle recess 2 is provided.
At the upper end of the edge corresponding to a, a handpiece 10 is provided to protrude inward. The handle recess 2 should be as large as possible to facilitate opening and closing operation of the door 1 and to allow the surface of the lock operation permission card 4 and the non-use display mark 5 to be visible even in a dark place. Desirably, in this embodiment, the height dimension (H) of the handle concave portion 2 is set to a height substantially equal to the width dimension of the lock operation permission card 4, and the lock operation permission card inserted into the card insertion slot 3 described later. 4
Almost the whole is made visible.

In order to make the bottom wall 2a of the recess 2 transparent over the entire surface, the bottom wall 2a of the recess 2 is provided with a transparent plate at the lower end of the peripheral wall 2b of the recess 2 protruding from the upper case 6a. The transparent plate is formed on the front wall (the bottom wall 2 of the handle recess 2).
a), the card insertion slot 3 having the lower case 6b as the rear wall 3b is formed. On the rear wall 3b, for example, a non-use display mark 5 such as the character "Aki" is written.

The insertion slot 3a of the card insertion slot 3 is directed to the opening / closing edge 1a of the door 1, and a guide ridge for guiding the lock operation permission card 4 to the insertion slot 3a is provided at the lower edge of the insertion slot 3a. 3c is formed. When the door 1 is opened, the insertion slot 3a is inserted into the card insertion slot 3 as shown in FIG. 2 so that the lock operation permission card 4 can be inserted into the card insertion slot 3 only by moving the lock operation permission card 4 in a direction parallel to the door 1. 1 is disposed rearward of the folded portion 1b formed on the opening / closing edge 1a,
The card insertion slot 3 is formed parallel to the door 1.

As shown in FIG. 3, the dial 7 has a gear portion 7a and a code display portion 7 partially exposed outside the lock case 6.
b and a cam portion 7c, which is rotatably mounted around the dial support shaft 11. The gear portion 7a of the dial 7 meshes with the gear portion 13a of the notch disk 13 rotatable around a disk support shaft 12 parallel to the dial support shaft 11, and transmits the rotational force to the dial 7 to the notch disk 13. A V-notch-shaped notch 13b is provided at one place on the outer periphery of the notch disk 13.

The detecting portion 15a of the notch detecting member 15 is pressed against the outer periphery of the notch disk 13 by a compression spring 14 so as to be pressed down, and the notch 13b of the notch disk 13 is pressed.
, The detection unit 15a falls into the notch 13b, and the notch detection member 15 moves downward.

The notch detecting member 15 is a working leg 1 extending downward.
5b, and a stopper lever 16 is disposed on the movement path of the operating leg 15b. The stopper lever 16 is shown in FIG.
Urged counterclockwise at
7, and is rotated clockwise by being pushed by the pressing portion 15 c of the notch detecting member 15 when the notch detecting member 15 descends.

The locking piece 8 is fixed on a slide block 18 which can move sideways, and moves between an unlocking position shown in FIG. 3 and a locking position moved to the right. In the locked position, the locking piece 8 enters the locking hole 19a of the locker housing 19 and the opening of the door 1 is prohibited.

Further, a plurality of return levers 20a are arranged corresponding to the cam portions 7c of the dial 7. The return lever 20a is formed on a return member 20 that is rotatable around a return member support shaft 21. When each return lever 20a is strongly pressed against the cam portion 7c of the dial 7, the corresponding dial 7
Can be returned to the initial rotation position. The return member 20 includes a frame support shaft 2 on the slide block 18.
A cam projection 20b for obtaining a rotational force around the return member support shaft 21 from the rotational force of the swinging piece 23 rotatable around 2 is provided.

On the other hand, a card identification pin 24 and a card detection lever 25 are arranged at the innermost part of the card insertion slot 3. The card detection lever 25 includes a detection lever support shaft 26.
When the lock operation permission card 4 is completely inserted into the card insertion slot 3, it is pushed by the insertion leading edge 4a of the lock operation permission card 4 and rotates counterclockwise in FIG. 4B. Then, the stopper link 28 is moved from the solid line position to the chain line position, and the stopper link 28 rotatable around the stopper link support shaft 27 is rotated from the lock prohibition position indicated by the solid line to the lock permission position indicated by the chain line in FIG. FIG.
As shown in (1), the stopper link 28 enters the movement path of the slide block 18 in the locking direction at the lock prohibition position, and prohibits the movement of the locking piece 8.

A notch 4b is formed at a predetermined position of the insertion leading edge 4a of the lock operation permission card 4 so that an operation permission code is given so that the lock operation can be performed only by the predetermined lock operation permission card 4, The identification pin 24 is provided at a position corresponding to the notch 4b forming position of the lock operation permission card 4.

Therefore, in this embodiment, the stopper link 28 is urged to the lock prohibited position by the torsion spring 29, and the lock operation permission card 4 is not inserted into the card insertion slot 3 at the unlock position in FIG. In addition, since the stopper link 28 blocks the slide block 18, the locking piece 8 cannot be shifted to the locking position. In this state, FIG.
As shown in (2), since the non-use display mark 5 is displayed on the bottom wall 2a of the handle recess 2, the user can immediately search for an unused locker by relying on this.

On the other hand, when the lock operation permission card 4 having the genuine lock operation permission code is completely inserted into the card insertion slot 3, the stopper lever 16 moves to the lock permission position via the card detection lever 25, The locking piece 8 can be moved to the locking position. In this state, FIG.
As shown in (b), the non-use display mark 5 is hidden, and items written on the surface of the lock operation permission card 4 such as the effective use period or the name are provided on the bottom wall 2a of the handle concave portion 2. Appears.

In the locked state, the stopper lever 16
The stopper side 16a blocks the movement of the slide block 18 to the unlocking side, and the shift to the unlocked state is prohibited. In order to unlock the locked card lock, first, each dial 7 is rotated to a predetermined unlocking rotation position. With the rotation of the dial 7, the notch disk 13 is turned into the notch 13b.
Rotates to a position directly facing the detecting portion 15a of the notch detecting member 15, and the notch detecting member 15 moves down to
In order to depress 6, the moving path of the slide block 18 is opened and the slide block 18 can be moved to the unlock position. When the slide block 18 moves to the unlocking position side, the swinging piece 23 swings and the return member 20 operates, and the return lever 20a of the return member 20 strongly presses the cam portion 7c of the dial 7 to press each dial. 7 is returned to the initial rotation position.

In this state, after the dial 7 is again rotated to the unlocking rotation position, the disc support shaft 12 is moved upward by a lift means (not shown) to release the engagement of the gear portions 7a and 13a, and then, By rotating the dial 7 to an arbitrary rotation position and then engaging the notch disk 13 with the dial 7, the unlock code can be changed.

[0026]

As is apparent from the above description, according to the present invention, the lock operation card can be easily inserted even in the locker room where the lighting is relatively dark, so that the operability can be improved. .

[Brief description of the drawings]

1A and 1B are views showing the present invention, wherein FIG. 1A is a front view showing a locker in an unused state, and FIG. 1B is a front view showing a card-type door lock in a locked state.

FIG. 2 is a view showing a state of attachment to a door, and FIG.
FIG. 1A is a view in the direction of the arrow 2A, and FIG.
It is 2B line sectional drawing.

FIG. 3 is a rear view showing a mechanism section of the present invention.

4A and 4B are diagrams illustrating the operation of the present invention, in which FIG. 4A illustrates the operation of a stopper link, and FIG. 4B illustrates the operation of a card detection lever.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door 1a Opening / closing edge 2 Handle recess 2a Bottom wall 3 Card insertion slot 3a Insertion opening 3b Back wall 4 Lock operation permission card 5 Non-use display mark

Claims (2)

[Claims] 1. A lock recess which opens toward the front of a door and a card insertion slot, wherein a lock operation is permitted when a lock operation permission card having a predetermined operation permission code is inserted into the card insertion slot. A card-type door lock, wherein the card insertion slot is provided on a back surface of a bottom wall of a handle recess with an insertion opening facing an opening / closing edge of the door. 2. A non-use display mark is displayed on a rear wall of the card insertion slot, and a bottom wall of the handle recess is formed of a transparent or translucent body. 2. The card type door lock according to claim 1, wherein the mark is hidden by a lock operation permission card to allow a user to recognize a use state.