JPH0248715B2 - SEJOSOCHI - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a locking device for locking and unlocking using a card key having a plurality of holes with different diameters.

[Prior Art] Various types of locking devices such as cylinder locks have been used in the past, but most of the keys used in these locking devices are so-called key-shaped, consisting of a gripping portion and an uneven portion following the gripping portion. It is inserted into the keyhole provided in the locking device body and turned to lock and unlock.

[Problems to be Solved by the Invention] However, keys having such uneven portions are inconvenient to carry around in a pocket etc. due to their irregular shape or uneven portions. However, if you put it in your wallet or commuter pass, the key would move around unnecessarily, making it inconvenient to carry. In addition, the keyhole of a normal locking device is small, making it difficult to insert the key, especially when locking in the dark.
When performing the unlocking operation, there was a problem that the operation was time-consuming.

[Means for Solving the Problems] The present invention has been made in consideration of the above points, and provides a locking device that can be locked and unlocked using a card key that is convenient to carry and easy to use. It is configured as follows.

That is, the arranging device of the present invention has a main body case provided with a slit having a plurality of holes into which a card key is inserted, and a stepped portion into which the inserted card key comes into contact. A slider that is operated by a card key in contact with the slider is disposed in the main body case so as to be slidable in the direction of operation by the card key, and a plurality of tumblers are biased by springs on the slider and their tips are inserted into the slit. The card key is inserted into the hole of the inserted card key so that it can protrude and slide, and each tumbler has a slider provided in the main body case according to the sliding position in response to the plurality of holes. An engagement protrusion that engages with the teeth of the groove to prevent the slider from moving or passes through the groove is provided, and converts the sliding motion of the slider into a rotational motion that is substantially orthogonal to the sliding direction. The device is configured as a device that is provided with a bolt that moves in a direction, and that the inserted card key presses the stepped portion that it touches, moves the slider, moves the bolt in a substantially orthogonal direction, and unlocks the lock.

[Example] Hereinafter, an example of the present invention will be described based on the drawings.

1 to 7 show a first embodiment, FIG. 1 shows a plan view of a locking device used for a door, etc. in a locked state, and FIG. 2 shows a sectional view thereof. On the top of the box-shaped main body case 1, there is a card key 2 (7th
A slit 3 is formed into which a bolt (see FIG. 1) is inserted, and an opening is formed on the right side of the front surface of the main body case 1 through which a bolt 4 enters and exits. Reference numeral 5 denotes a slider inserted so as to be slidable in the left-right direction in FIG. as well as slider 5
and the main body case 1, and four pointed-shaped tumblers 6 are fitted inside the slider 5 so as to be slidable in the vertical direction in FIG. It is biased by a coil spring 7 inserted in the slit 3 so that its tip protrudes into the slit 3. An engaging protrusion 8 is provided at the top of each tumbler 6 so as to slightly protrude upward from a vertical rectangular hole provided in the slider 5 (FIG. 3). On the other hand, a groove 9 is formed in the upper part of the main body case 1 as shown in FIG. The tips of the engagement protrusions 8 on the top of each tumbler 6 always enter the groove 9, but when each tumbler 6 moves to the locked or unlocked position by inserting the card key 2, each engagement protrusion 8 As shown in FIG. 5, it is located at the center of the passage groove 9 and allows the slider 5 to move in the left-right direction. Enter, slider 5
It has a structure that locks the Further, at a portion of the slider 5 facing the slit 3, there is a stepped portion 5a that engages with the edge of the card key 2 when the card key 2 is inserted into the fixed position of the slit 3 and the card key 2 is operated to the left or right. is formed. By operating the card key 2 engaged with the stepped portion 5a left and right, the slider 5 can be moved in the operated direction.

A rotary lever 10 is supported on the right side of the slider 5 in FIG. 2 so as to be rotatable by a certain angle counterclockwise about a shaft 11 from the state shown in FIG. An engaging part 10a having a smoothly downwardly inclined upper surface is provided at the left end of the rotating lever 10 facing the slider 5, and when the slider 5 moves to the right, Presser part 5
, and the rotating lever 10 is rotated counterclockwise. The right end of the pivoting lever 10 engages with the end engaging portion 4 of the bolt 4, and the pivoting lever 10 is biased clockwise in FIG. 2 by a spring (not shown). A bolt 4 is disposed at the right end of the main body case 1 so as to be able to protrude forward from the opening in a direction substantially perpendicular to the sliding direction of the slider 5 by the biasing force of a coil spring 13. An engagement recess 4b is formed which engages with the tip of a locking member 14, which will be described later, when the lock is unlocked. Note that the slider 5 is biased toward the left in FIG. 2 by a coil spring 12.

The locking member 14 engages with the engagement recess 4 of the bolt 4 when the bolt 4 is retracted into the main body case 1 during unlocking.
b to hold it in that position,
A coil spring 15 disposed at the left end urges the coil spring 15 toward the right in FIG. Further, the base of the locking member 14 (the portion located above the coil spring 15) is fitted into the guide shaft 16 fixed to the main body case 1 through a long hole, and is aligned with the left end of the slider 5. Engages only during directional movement. That is, when the slider 5 slides to the left in FIG. 6 during locking, the locking member 14 engages with the slider 5 and moves in the same direction.

The card key 2 is formed by providing, for example, three holes 2a in a card of a predetermined shape that can be inserted into a slit 3, and these holes 2a are formed by providing holes 2a in the tumbler 6 when the card key 2 is inserted into the slit 3 of the main body case 1. Provided at a position to engage with the tip. In addition, the diameters of these holes 2a are determined to be three types, for example, large, small, and no holes, and the combination arrangement of the sizes of these three holes 2a is such that a pointed tumbler 6 is attached to each hole 2a. When engaged, each tumbler 6 is determined to move to the unlocked position.

The locking device configured as described above is attached to an opening/closing member such as a door, and a receiving portion with which the protruding bolt 4 engages is provided at a position opposite to the bolt 4. Locking and unlocking are performed using a predetermined card key 2 as follows.

When unlocking a device in a locked state as shown in FIG. 2, when a predetermined card key 2 is inserted into the slit 3, the card key hole 2a moves the four tumblers 6 to the unlocked position, and the engaging protrusion 8 to the center of the groove 9 to make the slider 5 slidable, and in this state push the card key 2 to the right in FIG. Then, as shown in FIG. 6, the slider 5 is pushed by the key and slides to the right.
By pushing down 0a, the rotating lever 10 is rotated counterclockwise in FIG.
, and moves it upward, that is, in the direction of pulling the bolt 4 back into the main body case 1. Then, when all the bolts 4 are inside the main case 1,
The locking member 14 moves rightward due to the biasing force of the coil spring 15, and its tip engages the engagement recess 4 with the bar 4.
b, the bolt 4 is locked in the retracted position, and the lock is in the unlocked state.

Next, when locking, the card key 2 is inserted into the slit 3 in the same manner as when unlocking, and the tumbler 6 is moved to make the slider 5 slidable. and,
Push card key 2 to the left in Figure 2. Then, the slider 5 is pushed by the key and slides to the left, and at this time, the locking member 14 engages with the slider 5 and slides to the left. Therefore, the tip of the locking member 14 comes out of the engagement recess 4b of the bolt 4, and at this time, the bolt 4
is pushed out by the biasing force of the coil spring 13,
It becomes locked.

8 to 12 show a locking device of a second embodiment. As shown in the plan view of FIG. 8, a slit 23 for inserting a card key is provided on the upper surface of the main body case 21, and a bolt 24 is structured to protrude forward from the left front surface of the main body case 21. As shown in the cross-sectional view of Fig. 9, the main body case 2
1, a slider 25 is disposed so as to be slidable left and right while being supported by a guide member 22.
5 includes four tumblers 26 as in the first embodiment.
are slidably disposed, and each tumbler 26 is biased by a coil spring (not shown) so that the pointed tip of each tumbler 26 projects into the slit 23.
As shown in FIG. 10, engagement protrusions 28 are provided at the bottom of the tumbler 26, respectively, and as in the above embodiment, each engagement protrusion 28 extends slightly downward from the rectangular hole provided in the slider 25. The distal end of each engaging protrusion 28 enters into a passage groove 29 as shown in FIG. A long hole 25a is provided in the rear part of the slider 25 (upper part in FIG. 9), and one end of the L-shaped link 30 is engaged with this long hole 25a.
The L-shaped link 30 is supported by the main body case 21 by a shaft 31, and is rotatable within a certain angular range shown in FIGS. 9 and 12. It is engaged with the long hole 24a provided. By means of this L-shaped link 30, movement of the slider 25 in the left-right direction moves the keypad 24 in the front-back direction.

The locking device constructed in this manner is unlocked and locked using a card key provided with a hole, similar to the above embodiment. That is, when unlocking, a predetermined card key is inserted into the slit 23, the tumbler 26 is moved through the hole of the card key, the tumbler 26 is moved through the engagement protrusion 28, and is positioned in a straight line in the center of the groove 29, and the slider 25 is slid. be in a state where it can be moved. Then, by operating the card key to the left in FIG. 9, the slider 25 is slid to the left. Then, the first
As shown in Figure 2, the L-shaped link 30 is rotated approximately clockwise.
The lock 24 is rotated by 40 degrees, and the lock 24 is thereby pulled back into the main body case 1 and becomes unlocked. On the other hand, when locking, use the slit 2 as above.
3, and with the slider 25 in a slidable state, operate the card key in the right direction in FIG. 12. Then, as the slider 25 moves to the right, the L-shaped link 30 rotates counterclockwise, and the bolt 24 protrudes forward from the main case 1, as shown in FIG. 9, and becomes locked.

FIG. 13 shows a third embodiment in which the locking device of the present invention is applied to a wire lock (or chain lock). A connection part for a wire (or chain) is provided at the left end of the main body case 41, and an insertion port 44 for inserting and locking a lock terminal 42 attached to the tip of a wire etc. is provided at the right end of the main body case 41. It will be done. Further, a slit 43 for inserting a card key is provided in the upper part of the main body case 41. Inside the main body case 41, a slider 45 is installed.
It is arranged so that it can slide in the right direction in the figure. This slider 45 has the same structure and function as the slider 5 of the first embodiment, and has four tumblers 46 having engaging protrusions.
is slidably inserted, and the slider 45 is urged leftward by a coil spring 47. Slider 45
On the right side of the rotary lever 48, a rotary lever 48 having a structure similar to the rotary lever 10 of the first embodiment is pivotally supported so as to be rotatable by a certain angle in the counterclockwise direction in FIG.
A locking portion 48a serving as a bolt for locking the tip of the lock terminal 42 is provided at the tip of the lock terminal 8 (on the side facing the insertion port 44). In addition, the rotation lever 48
is biased clockwise by a spring (not shown).

This wire lock is locked and unlocked using a card key similar to the first embodiment. That is, to lock the lock, insert the card key into the slit 43, move the tumbler 46 to an appropriate position through the hole in the card key to make the slider 45 slidable, and then operate the card key in the right direction in FIG. and move the slider 45 to the right. At this time, the lower right end of the slider 45 pushes down the left end of the rotary lever 48, whereby the rotary lever 48 is rotated counterclockwise to receive the lock terminal 42. In this state, insert the lock terminal 42 into the socket 4.
4 and release the card key, the slider 45 moves to the left by the force of the coil spring 47.
The rotating lever 48 returns to the position shown in FIG.
2 and becomes locked. On the other hand, when unlocking, similarly to the above, insert the card key into the slit, move the slider 45 to the right, rotate the rotating lever 48, and lock the locking part 48a on the slider 4.
5, thereby disengaging the locking portion 48a of the rotating lever 48 from the lock terminal 42, and pulling out the lock terminal 42 from the insertion port 44. The lock becomes unlocked.

[Effects of the Invention] As explained above, according to the locking device of the present invention, the lock can be unlocked and locked using a card key provided with a hole, the key is card-shaped, and there are no irregularities on the periphery. This makes it easy to carry the key in your wallet, commuter pass, etc. Moreover,
A tumbler biased by a spring is provided in the slider, and the engaging protrusion of the tumbler and the teeth of the passage groove prevent the slider from moving or enable the slider to move.
By moving the slider, the bolt is moved in a substantially orthogonal direction. As a result, the device is smaller and has fewer parts, and since the card key is inserted into the slit and then slid to lock and unlock, the operation is easier than when inserting the conventional key into the key hole. This has the effect of making it easier to use.

[Brief explanation of drawings]

1 to 7 show a first embodiment of the present invention,
Figure 1 is a plan view of the locking device, Figure 2 is a sectional view of the same,
Figure 3 is a cross-sectional view of Figure 2, Figure 4 is a cross-sectional view of Figure 2, Figure 5 is a cross-sectional view of Figure 3, Figure 6 is a cross-sectional view of the unlocked state, and Figure 7 is a cross-sectional view of Figure 2. is a perspective view of the locking device, FIGS. 8 to 12 show the second embodiment, FIG. 8 is a plan view of the locking device, FIG. 9 is a sectional view of the same, and FIG. 11 is a sectional view taken along the line XI-XI in FIG. 10, FIG. 12 is a sectional view in an unlocked state, and FIG. 13 is a sectional view showing the third embodiment. 1...Body case, 2...Card key, 2a...
...hole, 3...slit, 5...slider, 6...
Tumbler, 8...engaging protrusion, 9...passing groove.

Claims (1)

[Claims] 1. A main body case having a slit with a plurality of holes into which a card key is inserted, and a slider that is provided with a stepped portion into which the inserted card key comes into contact, and which is operated by the card key that is in contact with the stepped portion. is disposed in the main body case so as to be slidable in the direction of operation by the card key, and a plurality of tumblers are biased by a spring on the slider and their tips protrude into the hole of the card key inserted into the slit. The tumblers are slidably fitted into each tumbler, and engage with teeth of a passage groove provided in the main body case in the sliding direction of the slider according to the slidable position in response to the plurality of holes. An engaging protrusion that prevents the slider from moving or passes through the passage groove is provided, and a bolt that converts the sliding motion of the slider into a rotational motion and moves in a direction substantially perpendicular to the sliding direction is provided and inserted. A locking device characterized in that the lock is unlocked by pushing the stepped portion that the card key hits and moving the slider to move the bolt in a substantially orthogonal direction.