JP3580569B2 - Card type lock device - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to a lock device that can be suitably used for a lock mechanism for drawers of various doors and furniture such as a file cabinet, and more particularly, to a mechanically operated lock device operated by a card key.
[0002]
[Prior art]
Conventionally, in a furniture having a drawer or a door, a locking mechanism for locking the drawer or the door to a storage position or a closed position is provided. This type of locking mechanism has a latch mechanism for locking the drawer or door in the storage position or the closed position, and a lock device provided on the drawer, door or the front of the furniture body, and operates the lock device with a key. By doing so, the latch mechanism is configured to be locked at the latched position.
[0003]
As a lock device for a door or furniture in a room, a cylinder lock of a type in which a key is inserted and rotated is generally used. In recent years, a device using a card key which is convenient to carry around has been used. This type of card type lock device generally reads magnetic or optical information recorded on the surface of a card key, and drives an actuator such as a solenoid to release a lock mechanism such as a door.
[0004]
[Problems to be solved by the invention]
Since the above-mentioned card type lock device requires a power source, there is a drawback in that it is restricted by its installation location. In addition, since electric and electronic circuits are used, they are expensive and are liable to break down.
[0005]
Therefore, an object of the present invention is to provide a card-type lock device that does not require a power source and has high reliability and safety.
[0006]
[Means for Solving the Problems]
According to the first aspect of the present invention, a card guide having a guide groove for receiving a front end portion of the card key is slidably provided in the lock device main body, and the card guide is operated to move the card guide to the first position in the lock device main body. Or in a card-type lock device that locks or unlocks by switching to the second position,In the card guide, a plurality of locking means holding portions of the same shape that open in the guide groove are arranged in a line in the width direction of the guide groove, and the flat portion of the card key matches the locking means holding portion selected in advance. When the card guide is on the flat portion of the card key when the card guide is in the first position or the second position, the lock means holding portion is formed at a predetermined position of the lock device main body. A first locking means for engaging with the locking portion to lock the card guide and releasing from the first locking portion to unlock the card guide when engaged with the key hole of the card key; When the card guide is in the first position or the second position, the lock means holding portion is disengaged from the second locking portion provided at a predetermined position of the lock device main body when the card guide rides on the flat portion of the card key inserted into the guide groove. Card guide Providing a second locking means for releasing the click, The first lock means and the second lock means each have an engagement pin formed at one end thereof so as to be engageable with a key hole of the card key, and the engagement pin of the first lock means is a lock device. The second locking means has a swing arm which swings in conjunction with the engagement pin, the swing arm having a second end which can be engaged with the first locking portion of the main body. The lock device has one end connected to the other end of the engaging pin and the other end engageable with the second locking portion of the lock device main body. It has a pin holding hole capable of holding the engaging pins of the first and second locking means so as to be movable in the thickness direction of the card key, and an arm holding portion for holding the swing arm in a swingable manner.It is characterized by the following.
[0007]
Claim2The invention described in the claims1In the card-type pre-locking device described above, the other end side of the engagement pin of the first locking means is formed to have a smaller diameter than the one end side, and biases the engagement pin in the projecting direction to the guide groove. The spring is externally inserted into the other end of the engagement pin and held in the pin holding hole of the lock means holding portion.
0008]
Claim3The invention described in the claims1In the card type lock device described above, the second locking means urges the swing arm in the direction of engagement with the second locking portion of the lock device main body, and at the same time, pushes the engagement pin to the guide groove via the swing arm. And a lock holding portion for holding the arm biasing spring.
0009]
Claim4The described invention,A card guide having a guide groove for receiving the front end portion of the card key is slidably provided in the lock device main body, and the card guide is switched to the first position or the second position in the lock device main body by operating the card key. In a card-type lock device for locking or unlocking, a plurality of locking means holding portions of the same shape which are opened in the guide groove are arranged in a row in the width direction of the guide groove in the card guide, and are provided on the flat portion of the card key. A key hole is formed so as to coincide with a preselected locking means holding portion, and the locking means holding portion corresponding to the key hole is formed on the flat portion of the card key when the card guide is in the first position or the second position. The card guide is locked by engaging with a first locking portion provided at a predetermined position of the lock device main body when it gets on, and is released from the first locking portion when it is engaged with the key hole of the card key. The lock device is provided with a first lock means for releasing the lock of the lock key, and the lock means is provided on the other lock means holding portion when the card guide rides on the flat portion of the card key inserted into the guide groove when the card guide is at the first position or the second position. A second locking means for releasing from a second locking portion provided at a predetermined position of the main body to unlock the card guide;The lock device main body has a front plate, a back plate, a top plate, a bottom plate, and left and right side plates having a card key insertion slot, and a card guide in the lock device main body is located at a position where it contacts the inner surface of the front plate. And a rear position in the vicinity of the rear plate is a second position, and a position in contact with the rear plate is a third position. The third position is provided so as to be movable back and forth between the first position and the third position. In the main body, a guide return spring for urging the card guide pressed backward from the first position by the card key to return to the first position and a card guide pressed from the first position by the card key. At the time of return after moving to the third position, the card guide is locked at the second position, and at the time of return after moving from the second position to the third position by pressing the card guide with a card key, the first position is held. Operation restricting means for returning to And wherein the door.
0010]
Claim5The invention described in the claims4In the card-type lock device according to the present invention, the operation regulating means is provided on one of the card guide and the lock device main body, and the groove cam having a substantially heart-shaped cam groove, and the other grooved cam pivotally attached to the other. And a neutral spring for returning the engaging arm to the neutral position of the swinging section.
[0011]
[Action]
In the card-type lock device according to the first aspect, when the card guide is in the first position or the second position, an appropriate card key having a key hole is inserted at a position corresponding to a preselected locking means holding portion. Then, the second locking means rides on the flat part from the tip of the card key and is released from the second locking part of the lock device main body, thereby releasing the lock of the card guide. Further, the first locking means locks the card guide once by riding on the plane portion from the tip of the card key and engaging with the first locking portion of the lock device main body, and then by engaging with the key hole. The lock is released from the first locking portion of the lock device main body and the lock of the card guide is released. Therefore, the card guide can be moved. On the other hand, if an unauthorized card key having no key hole is inserted into a regular position that matches the pre-selected locking means holding portion, the first locking means is kept at the position where it has climbed onto the flat part of the card key. Therefore, the card guide is maintained in the locked state because it is kept engaged with the first locking portion of the lock device main body. Further, in the case of an unauthorized card key having an incorrect keyhole or groove, the second locking means engages with the incorrect keyhole or groove to engage with the second locking portion of the lock device main body. Therefore, the card guide is kept locked. Therefore, locking and unlocking cannot be performed with an unauthorized card key.
0012]
In addition, since the first locking means and the second locking means held by the locking means holding portion are arranged in a line in the width direction of the card key, the second locking means extends from the front end of the card key to the plane portion thereof. At the same time, the card guide is unlocked by riding up, and the first locking means rides on the plane portion from the tip of the card key to lock the card guide. Therefore, malfunction of the card guide can be prevented.
00Thirteen]
Furthermore, since the plurality of locking means holding parts have the same shape, the locking means holding parts can be arbitrarily selected to hold the first locking means or the second locking means. Therefore, the arrangement order of the first locking means and the second locking means can be easily changed, so that a highly secure card-type lock device can be easily provided, and the card guide can be shared, so that the cost can be reduced. Can be provided.
0014]
Also,The first and second locking means can be realized with a simple configuration, and the locking means holding portion that can be incorporated into either the first locking means or the second locking means can be realized with a simple configuration.
00Fifteen]
Claim2In the card-type lock device described above, since the engagement pin of the first lock means can be pressed by the pin urging spring to engage with the key hole of the card key, the lock device main body can be held at any angle. Even when the card guide is attached to a door, furniture, or the like, the card guide can be stably unlocked by the first locking means. Further, since the pin urging spring is held in the pin holding hole together with the engagement pin, the entire card guide and the card type lock device can be made compact.
0016]
Claim3In the card-type lock device described above, since the swing arm of the second lock means can be pressed by the arm urging spring and engaged with the second locking portion of the lock device main body, Even if the card guide is attached to a door, furniture, or the like at such an angle, the card guide can be stably locked by the second locking means.
0017]
Claim4In the described card-type lock device,When the card guide is in the first position or the second position, if a proper card key having a key hole is inserted at a position corresponding to a preselected locking means holding portion, the second locking means is moved to the position of the card key. The card guide is unlocked by riding on the flat surface from the front end and detaching from the second locking portion of the lock device main body. Further, the first locking means locks the card guide once by riding on the plane portion from the tip of the card key and engaging with the first locking portion of the lock device main body, and then by engaging with the key hole. The lock is released from the first locking portion of the lock device main body and the lock of the card guide is released. Therefore, the card guide can be moved. On the other hand, it matches the pre-selected locking means holding part. When an unauthorized card key having no keyhole is inserted into a proper position, the first locking means is maintained at a position where it is mounted on the flat portion of the card key, and therefore the first locking portion of the lock device main body. , The card guide is kept in the locked state. Further, in the case of an unauthorized card key having an incorrect keyhole or groove, the second locking means engages with the incorrect keyhole or groove to engage with the second locking portion of the lock device main body. Therefore, the card guide is kept locked. Therefore, locking and unlocking cannot be performed with an unauthorized card key.
[0018]
In addition, since the first locking means and the second locking means held by the locking means holding portion are arranged in a line in the width direction of the card key, the second locking means extends from the front end of the card key to the plane portion thereof. At the same time, the card guide is unlocked by riding up, and the first locking means rides on the plane portion from the tip of the card key to lock the card guide. Therefore, malfunction of the card guide can be prevented.
[0019]
Furthermore, since the plurality of locking means holding parts have the same shape, the locking means holding parts can be arbitrarily selected to hold the first locking means or the second locking means. Therefore, the arrangement order of the first locking means and the second locking means can be easily changed, so that a highly secure card-type lock device can be easily provided, and the card guide can be shared, so that the cost can be reduced. Can be provided.
[0020]
In addition, the card guide is moved from the first position to the second position by pressing the card guide backward with a card key to move the card guide from the first position to the third position, and then to the second position by the force of the guide return spring. It is done by returning. Further, the card guide is moved from the second position to the first position by pressing the card guide backward with a card key to move the card guide from the second position to the third position, and then to the first position by the force of the guide return spring. It is done by returning. That is, since both movements are achieved by pressing the card key in the insertion direction, the operability of the card key is improved.
0021]
Further, the card key can be pulled out from the card guide when the card guide is at the first position, and can be pulled out from the card guide when the card guide is at the second position. That is, when the card guide is at the second position, the first and second locking means release the lock of the card guide, but since the card guide is locked at the second position by the operation restricting means, With the card guide locked in the second position, the card key can be pulled forward. At this time, the first locking means is engaged with the key hole of the card key. However, when the card key is pulled out, the first locking means is detached from the key hole and rides on the flat part of the card key, and the lock device Since the card key is engaged with the first locking portion, the card key can be pulled out without any trouble, and the first locking means locks the card guide to the second position while the card key is pulled out. Can reduce the load on the vehicle. Further, when the card key is pulled out from the card guide, the second locking means engages with the second locking portion of the lock device main body to lock the card guide in the second position, so that the card guide is stably moved to the second position. Can be held.
0022]
As described above, the card key can be pulled out when the card guide is at the first position and the second position corresponding to locking and unlocking, so that the handling safety of the card key is enhanced, and restrictions on applications are restricted. Disappears.
0023]
Claim5In the card type lock device described above, the operation restricting means can be realized with a simple configuration.
[0024]
【Example】
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0025]
FIG. 1 is a perspective view of a card type lock device showing an embodiment of the present invention, FIG. 2 is an exploded perspective view of the lock device, FIG. 3 is a perspective view showing an operation restricting means, and FIGS. 8 is an operation explanatory diagram. First, referring to FIGS. 1 and 2, the card-type lock device has a lock device main body 1, which is composed of an upper case 2, a lower case 3, and a front plate 4. The upper case 2 has an upper surface plate 2a and an upper back surface plate 2b. The lower case 3 has a bottom plate 3a, a lower back plate 3b, left and right side plates 3c, 3c, and the upper back plate 2b of the upper case 2 and the lower back plate 3b of the lower case 3 constitute a back plate of the lock device main body. Is composed. Although the back plate may be provided only on the upper case 2 or the lower case, the strength of both the upper and lower cases 2 and 3 can be increased by configuring as in the illustrated embodiment.
[0026]
A card insertion slot 4a for inserting a card key 5 is formed in the front plate 4, and an engagement hole 2c formed in the top plate of the upper case 2 is formed at the top and bottom of the front plate 4, respectively. A projection 4b to be engaged and a projection (not shown) to be engaged with an engagement hole 3d formed in the bottom plate 3a of the lower case 3 are formed. Further, on both side edges of the upper surface plate 2a of the upper case 2 are formed bent ear pieces 2d having screw holes, and the screws 6 passed through the side plate 3c of the lower case 3 are screwed into the screw holes of the ear pieces 2d. Thus, the upper case 2 and the lower case 3 can be fastened with the front plate 4 assembled to the upper case 2 and the lower case 3.
[0027]
A card guide 7 composed of an upper guide body 8 and a lower guide body 9 is housed in the lock device main body 1. The card guide 7 has a guide groove 10 (see FIG. 5A) for receiving the front end portion of the card key 5 inserted from the card insertion slot 4a.
[0028]
The card guide 7 has a first position at a position abutting on the inner surface of the front plate 4 (see FIGS. 4A, 5A and 6A) and a back plate (upper and lower back plates 2b and 3b). 4) (see FIGS. 4 (c), 7 (a), and 8 (a)) as a second position, and positions (FIGS. 4 (b) and 5 (d)) which come into contact with the back plate. 6 (d)) as a third position so as to be movable back and forth between the first position and the third position. In order to guide the card guide 7 stably, two parallel elongated grooves 3e extending in the front-rear direction are formed on the bottom plate 3a of the lower case 3, and two projections 9a projecting from the bottom surface of the card guide 7 are provided. Are slidably engaged with the long groove 3e.
[0029]
Two guide return springs 11 (FIGS. 2 and 3) are further provided in the lock device main body 1 to urge the card guide 7 further pushed backward by the card key 5 and moved backward from the first position to return to the first position. FIG. 5 (a)) is provided. The guide return spring 11 may be a compression spring, but in this embodiment, a coil spring, which is a tension spring, is used, and is stretched between the front plate 4 and the card guide 7.
[0030]
Referring to FIGS. 2, 3 and 4, an operation restricting means 12 is further provided in the lock device main body 1. The operation restricting means 12 is provided on the bottom surface of the card guide 7 and has a groove cam 13 having a substantially heart-shaped cam groove 14 and a groove cam 13 pivotally attached to the bottom plate 3a of the lower case 3 so as to swing. It has an engagement arm 15 that engages with the cam groove 14, and a neutral spring 16 that returns the engagement arm 15 to the neutral position in the swinging section. Referring to FIG. 4, the operation restricting means 12 operates after the card guide 7 is pushed by the card key 5 and moves from the first position (FIG. 4A) to the third position (FIG. 4B). When the card is returned, the card guide 7 is locked at the second position (FIG. 4 (c)), and the card guide 7 is pushed by the card key 5 to move from the second position (FIG. 4 (c)) to the third position (FIG. 4 (c)). 4 (d)), when returning to the first position.
[0031]
That is, the illustrated card type lock device locks or unlocks the card guide 7 by switching the card guide 7 to a first position or a second position in the lock device main body 1 by operating the card key 5. Is moved from the first position to the second position by pressing the card guide 7 backward with the card key 5 to move the card guide 7 from the first position to the third position, and then returning to the second position by the force of the guide return spring 11. This is done by letting The movement of the card guide 7 from the second position to the first position is performed by pressing the card guide 7 backward with the card key 5 to move the card guide 7 from the second position to the third position, and then by the force of the guide return spring 11. This is performed by returning to the first position. That is, both movements are achieved by pressing the card key 5 in the insertion direction.
[0032]
Next, a lock means for locking the card guide 7 to the lock device main body 1 at the first position and the second position will be described.
[0033]
Referring to FIG. 2, a plurality (eight in the illustrated embodiment) of locking means holding portions 17 having the same shape and opening in the guide groove 10 are arranged in the card guide 7 in a line in the width direction of the guide groove 10. I have. In the flat portion of the card key 5, four key holes 5a are formed so as to match the lock means holding portions (in the illustrated embodiment, four holding portions) which are arbitrarily selected in advance. The hole 5a penetrates the card key 5, but may be a bottomed hole.
[0034]
First locking means 19 are provided in each of the four locking means holding portions 17 that match the key holes 5a of the card key 5. When the card guide 7 rides on the flat portion of the card key 5 when the card guide 7 is at the first position or the second position, the first lock means 19 engages with the first locking portion 18 provided at a predetermined position of the lock device main body 1. When the card guide 7 is locked and engaged with the key hole 5a of the card key 5, the lock is released from the first locking portion 18 of the lock device main body 1 and the lock of the card guide 7 is released.
[0035]
Further, second lock means 21 are provided in the other lock means holding parts (two holding parts in the illustrated embodiment). When the card guide 7 is on the flat portion of the card key 5 inserted into the guide groove 10 when the card guide 7 is at the first position or the second position, the second lock means 21 is provided at a predetermined position of the lock device main body 1. (2) The card guide 7 is released from the locking portion 20 and unlocked.
[0036]
More specifically, the first locking means 19 and the second locking means 21 have engaging pins 22 and 23, respectively, and one end portions 22a and 23a of the engaging pins 22 and 23 are connected to key holes of the card key 5. 5a is formed so as to be engageable. Further, since the one end portions 22a and 23a of the engagement pins 22 and 23 have a conical shape, the end portions 22a and 23a of the engagement pins 22 and 23 can easily ride on the plane portion after contacting the tip of the card key 5. The engagement pin 22 of the first locking means 19 has the other end 22b which can be engaged with the first locking portion 18 of the lock control device main body 1. The second lock means 21 has a swing arm 24 which swings in conjunction with the engagement pin 23, and the swing arm 24 has one end 24 a connected to the other end of the engagement pin 23. And the other end 24b engageable with the second locking portion 20 of the lock control device main body 1. Each locking means holding portion 17 of the card guide 7 has a pin holding hole which can movably hold the engaging pins 22 and 23 of the first and second locking means 19 and 21 in the thickness direction of the card key 5. 17a and an arm holding portion 17b for swingably holding the swing arm 24.
[0037]
Further, the other end 22b side of the engaging pin 22 of the first locking means 19 is formed to have a smaller diameter than the one end 22a side, and a pin urging spring for urging the engaging pin 22 in the projecting direction to the guide groove 10. Reference numeral 25 is externally inserted into the other end 22 b side of the engaging pin 22 and is held in the pin holding hole 17 a of the locking means holding portion 17. In addition, the second lock means 21 connects the swing arm 24 to the second locking portion of the lock device main body 1.20And an arm urging spring 26 for urging the engaging pin 23 via the swing arm 24 in the protruding direction to the guide groove 10. It has a spring holding hole 17c for holding the arm urging spring 26.
[0038]
Further, the card guide 7 is provided with an operating shaft 27 protruding outside the lock control device main body 1. In this embodiment, the operating shaft 27 projects downward from the two projections 9a of the card guide 7. Therefore, the card guide 7 can be easily connected to a locking mechanism (not shown) of furniture or the like via the operation shaft 27.
[0039]
Next, the operation of the first and second locking means 19 and 21 which characterize the present invention will be described with reference to FIGS.
[0040]
When the card guide 7 is at the first position (FIGS. 5 (a) and 6 (a)), the first locking means 19 is disengaged from the first locking portion 18 when the card key 5 is not inserted. However, the card guide 7 is locked at the first position by the second locking means 21 because the second locking means 21 is engaged with the second locking portion 20 (see FIG. 6A). Have been.
[0041]
Now, when an appropriate card key 5 having a key hole 5a is inserted at a position corresponding to the locking means holding section 17 selected in advance, the engaging pin 23 of the second locking means 21 is moved from the front end of the card key 5 The card guide 7 is unlocked by the swing arm 24 of the second lock means 21 being disengaged from the second locking portion 20 of the lock control device main body 1 because it rides on the flat part (see FIG. 5B). ). Further, the engagement pin 22 of the first lock means 19 once rides on the plane portion from the tip of the card key 5 and engages with the first locking portion 18 of the lock device main body 1 to thereby move the card guide 7 to the first position. Lock in position (see Fig. 6 (b)). Thereafter, by engaging with the key hole 5a, the lock device is released from the first locking portion 18 of the lock control device main body 1 and the lock of the card guide 7 is released (FIG. 6C). Therefore, the card guide 7 can be moved, and the card guide 7 can be moved to the third position by pressing the card guide 7 with the card key 5 (see FIGS. 5D and 6D).
[0042]
The card key indicated by reference numeral 5 'in FIG. 1 is used for another card-type lock device. The card key 5 ′ is formed with a total of six key holes, and the three key holes indicated by reference numeral 5 a are formed at the same positions as the key holes 5 a of the card key 5, but the rest of the card key 5 ′ is formed. The three key holes 5a 'are formed at positions different from the card key 5. Further, in the card key 5 ', there is no key hole at a position corresponding to the remaining one key hole 5a of the card key 5. When the card key 5 'having such different key hole positions is inserted, one of the four engagement pins 22 does not engage with the key hole 5a' of the card key 5 ', and the plane of the card key 5' Since the engaging pin 22 is kept at the position where it has climbed, the other end of the engaging pin 22 is kept engaged with the first engaging portion 18 of the lock control device main body 1. Therefore, the card guide 7 is kept in the locked state. Since the key hole 5a 'is formed at a position corresponding to the two second lock means 21 in the card key 5', the engagement pin 23 of the second lock means 21 is inserted when the card key 5 'is inserted. The key guide 5 is engaged with the key hole 5a ', whereby the swing arm 24 is engaged with the second locking portion 20 of the lock control device main body 1, so that the card guide 7 is kept locked. Therefore, locking and unlocking cannot be performed with a card key whose key hole position is not appropriate.
[0043]
Further, since the first lock means 19 and the second lock means 21 held by the lock means holding portion 17 are arranged in a line in the width direction of the card key 5, the engagement pin of the second lock means 21 is formed. The lock pin 23 of the first lock means 19 rides on the flat portion of the card key 5 from the front end of the card key 5 and unlocks the card guide 7. Can be locked. Therefore, malfunction of the card guide 7 can be prevented.
[0044]
After the card guide 7 is moved to the third position by pressing with the card key 5 and then returned forward by the guide return spring 11, the card guide 7 is locked at the second position by the operation of the operation restricting means 12 ( 7 (a) and 8 (a)). When the card guide 7 is at the second position, the engaging pin 23 of the second locking means 21 rides on the flat portion of the card key 5 and is separated from the second locking portion 20 of the lock device main body 1. . Further, when the card guide 7 is at the second position, the engaging pin 22 of the first locking means 19 engages with the key hole 5a of the card key 5 to be disengaged from the first locking portion 18 of the lock device main body 1. However, the engagement pin 22 is at a position where it can be engaged with the first locking portion 18. Therefore, when the card guide 7 is at the second position, the card key 5 can be pulled out from the card guide 7 as shown in FIGS. 7 (b) and 7 (c) and FIGS. 8 (b) and 8 (c). When the card key 5 is pulled out from the guide groove 10 of the card guide 7,FirstSince the engagement pin 22 of the locking means 19 engages with the first locking portion 18 to lock the card guide 7 at the second position, the load applied to the operation restricting means 12 can be reduced. When the card key 5 is detached from the guide groove 10, the swing arm 24 of the second locking means 21 engages with the second locking portion 20 to lock the card guide 7 at the second position. Can be stably held at the second position.
[0045]
To move the card guide 7 from the second position to the first position, the card key 5 is inserted into the guide groove 10 of the card guide 7 and the card guide 7 is locked by the first and second locking means 19 and 21. Release. After the card key 5 is pressed backward to move the card guide 7 to the third position, the card guide 7 can be returned to the first position by the force of the guide return spring 11. When the card guide 7 is at the first position, the card key 5 can be pulled out from the guide groove 10 of the card guide 7.
[0046]
As described above, both the movement of the card guide 7 from the first position to the second position and the movement of the card guide 7 from the second position to the first position are achieved by pressing the card key 5 in the insertion direction. The operability of the key 5 is improved. Further, since the card key 5 can be pulled out when the card guide 7 is at the first position and the second position corresponding to the locking and unlocking, the handling safety of the card key 5 is improved, and the card type lock device can be used. Eliminates restrictions on applications.
[0047]
Further, in the card-type lock device having the above-described configuration, the engagement pin 22 of the first lock means 19 can be pressed by the pin urging spring 25 to engage with the key hole 5a of the card key 5, so that the lock can be locked. Regardless of the angle at which the apparatus main body 1 is attached to a door, furniture, or the like, the card guide 7 can be stably unlocked by the first locking means 19. Further, since the pin urging spring 25 is held in the pin holding hole 17a together with the engaging pin 22, the card guide 7 and the entire card-type lock device can be made compact. Further, since the swing arm 24 of the second lock means 21 can be pressed by the arm urging spring 26 to engage with the second locking portion 20 of the lock control device main body 1, how the lock control device main body 1 is Even when the card guide 7 is attached to a door, furniture, or the like at an appropriate angle, the card guide 7 can be stably locked by the second lock means 21.
[0048]
Further, since the plurality of lock means holding parts 17 have the same shape, the lock means holding parts 17 can be arbitrarily selected to hold the first lock means 19 or the second lock means 21. Therefore, it is possible to easily provide a card-type lock device in which the arrangement of the first lock means 19 and the second lock means 21 is different, and to use the card guide 7 in common, so that it can be provided at low cost.
[0049]
As shown in FIGS. 1 and 2, the first locking portion 18 in the above embodiment has a form of a through hole that can be engaged with the engaging pin 22 of each first locking means 19, and The lock device main body 1 is formed on the upper case 2 so as to correspond to the arrangement of the four first lock means 19, but as shown in FIG. Correspondingly, a through hole as the first locking portion 18 may be formed in the upper case 2. Further, the second locking portion in the above embodiment.20Has a form of a through hole that can be engaged with the swing arm 24 of each of the second lock means 21, and the lock device main body 1 has a shape corresponding to the arrangement of the remaining four lock means holding portions 17. Although formed on the upper case 2, as shown in FIG. 9, the second locking portions are attached to the upper case 2 corresponding to the positions of all the eight locking means holding portions 17.20May be formed. Further, the first and second locking means locking portions 18 and 20 may have a form of a long groove extending in the width direction of the card key 5, as shown in FIG. The holes and long grooves that form the first and second locking means locking portions 18 and 20 may be in the form of through holes and through grooves that penetrate the upper plate 2a of the lock control device main body 1. However, if the bottomed holes or grooves are formed, the positions of the first and second locking means 19 and 21 cannot be seen from above the top plate, so that the security against fraud is enhanced. Further, in the case of the embodiment shown in FIGS. 9 and 10, even when the arrangement order of the first and second lock means 19 and 21 is different, a common lock device main body can be used, so that it can be provided at low cost. Become.
[0050]
Further, as shown in FIG.19The appropriate key key 5 having the key hole 5a corresponding to the position of the dummy key 5a corresponding to the position of the second lock means 21 is located at a position not aligned with the regular key hole 5a in the width direction of the card key 5. May be formed. Such a dummy hole 5b does not hinder the locking and unlocking operation of the second locking means 21 at all, and the formation of such a dummy hole 5b allows the arrangement state of the holes. Is more complex, which increases security against fraud.
[0051]
Further, in the above embodiment, the card guide 7 can be moved in the insertion direction of the card key 5, that is, in the front-back direction, but the card guide 7 is moved between the first position and the second position in the lock device main body. The key 5 may be provided so as to be movable in a direction (vertical direction or horizontal direction) perpendicular to the insertion direction.
[0052]
【The invention's effect】
As is clear from the above description, the card-type lock device according to the present invention can easily switch between locking and unlocking by a card key only by mechanical operation, so that there is no restriction on the installation place, and compact and reliable. It is highly efficient and can be manufactured at low cost. Further, since the plurality of lock means holding portions have the same shape, the lock means holding portions used for holding the first lock means and the second lock means can be arbitrarily selected. Since the arrangement order of the second lock means and the second lock means can be easily changed, it is possible to provide an inexpensive and highly secure card-type lock device.
[Brief description of the drawings]
FIG. 1 is a perspective view showing one embodiment of a card-type lock device according to the present invention.
FIG. 2 is an exploded perspective view of the lock device shown in FIG.
FIG. 3 is a perspective view showing operation restricting means of the lock device shown in FIG.
4 (a) to 4 (d) are bottom configuration diagrams sequentially showing the operations of the card guide and the operation restricting means of the lock device shown in FIG.
5 (a) to 5 (d) are longitudinal sectional views sequentially showing the operation of a second locking means when the card guide of the lock device shown in FIG. 1 moves from the first position to the third position. is there.
6 (a) to 6 (d) are longitudinal sectional views sequentially showing the operation of a first locking means when the lock device card guide shown in FIG. 1 moves from a first position to a third position. .
FIGS. 7A to 7C are longitudinal sectional views sequentially showing the operation of a second lock means when the card key is pulled out from the card guide at the second position.
FIGS. 8A to 8C are longitudinal sectional views sequentially showing the operation of the first lock means when the card key is pulled out from the card guide at the second position.
FIG. 9 is a perspective view of a card-type lock device showing a modification of the first and second locking portions.
FIG. 10 is a perspective view showing an inner surface of an upper case of a card type lock device showing another modification of the first and second locking portions.
[Explanation of symbols]
1 Lock device main body
2 Upper case
3 Lower case
4 Front panel
4a Card slot
5 Card key
5a Key hole
7 Card Guide
10 Guide groove
11 Guide return spring
12 Operation regulation means
13 cams
14 Cam groove
15 Engagement arm
16 Neutral spring
17 Lock means holding part
18 First locking part
19 First locking means
20 Second locking part
21 Second locking means
22, 23 engaging pin
24 Swing arm
25 Pin biasing spring
26 Arm biasing spring
27 Working axis

Claims (5)

A card guide having a guide groove for receiving the front end portion of the card key is slidably provided in the lock device main body, and the card guide is switched to the first position or the second position in the lock device main body by operating the card key. In a card type lock device for locking or unlocking,
In the card guide, a plurality of locking means holding portions of the same shape that open in the guide groove are arranged in a line in the width direction of the guide groove, and the flat portion of the card key matches the locking means holding portion selected in advance. When the card guide is on the flat portion of the card key when the card guide is in the first position or the second position, the lock means holding portion is formed at a predetermined position of the lock device main body. A first locking means for engaging with the locking portion to lock the card guide and releasing from the first locking portion to unlock the card guide when engaged with the key hole of the card key; When the card guide is in the first position or the second position, the lock means holding portion is disengaged from the second locking portion provided at a predetermined position of the lock device main body when the card guide rides on the flat portion of the card key inserted into the guide groove. Card guide The second locking means to release the click is provided,
The first lock means and the second lock means each have an engagement pin formed at one end thereof so as to be engageable with a key hole of the card key, and the engagement pin of the first lock means is a lock control device main body. The second locking means has a swing arm that swings in conjunction with the engagement pin, and the swing arm is a second lock. The lock device has one end connected to the other end of the engaging pin and the other end engageable with the second locking portion of the lock device main body. A pin holding hole capable of holding the engaging pin of the second locking means so as to be movable in the thickness direction of the card key; and an arm holding portion for holding the swing arm in a swingable manner.
A card type lock device characterized by the above-mentioned. The other end of the engagement pin of the first locking means is formed to have a smaller diameter than the one end, and a pin urging spring for urging the engagement pin in the direction of projecting into the guide groove is provided at the other end of the engagement pin. 2. The card-type lock device according to claim 1, wherein the lock device is externally inserted and held in a pin holding hole of the lock means holding portion. The second locking means urges the swing arm in the direction of engagement with the second locking portion of the lock device main body, and urges the engagement pin via the swing arm in the direction of projection into the guide groove. having a biasing spring, the card type lock device according to claim 1, wherein each locking means holder is characterized by having a spring holding hole for holding the arm biasing spring. A card guide having a guide groove for receiving the front end portion of the card key is slidably provided in the lock device main body, and the card guide is switched to the first position or the second position in the lock device main body by operating the card key. In a card type lock device for locking or unlocking,
In the card guide, a plurality of locking means holding portions of the same shape that open in the guide groove are arranged in a line in the width direction of the guide groove, and the flat portion of the card key matches the locking means holding portion selected in advance. When the card guide is on the flat portion of the card key when the card guide is in the first position or the second position, the lock means holding portion is formed at a predetermined position of the lock device main body. A first locking means for engaging with the locking portion to lock the card guide and releasing from the first locking portion to unlock the card guide when engaged with the key hole of the card key; When the card guide is in the first position or the second position, the lock means holding portion is disengaged from the second locking portion provided at a predetermined position of the lock device main body when the card guide rides on the flat portion of the card key inserted into the guide groove. Card guide The second locking means to release the click is provided,
The lock device main body has a front plate, a back plate, a top plate, a bottom plate, and left and right side plates having a card key insertion slot, and a card guide in the lock device main body is located at a position where it contacts the inner surface of the front plate. And a rear position in the vicinity of the rear plate is a second position, and a position in contact with the rear plate is a third position. The third position is provided so as to be movable back and forth between the first position and the third position. In the main body, a guide return spring for urging the card guide pressed backward from the first position by the card key to return to the first position and a card guide pressed from the first position by the card key. At the time of return after moving to the third position, the card guide is locked at the second position, and at the time of return after moving from the second position to the third position by pressing the card guide with a card key, the first position is held. Operation restricting means for returning to
A card type lock device characterized by the above-mentioned . An operation restricting means is provided on one of the card guide and the lock device main body, and has a groove cam having a substantially heart-shaped cam groove, and is engaged with a cam groove of the groove cam so as to swingably engage with the other. 5. The card lock device according to claim 4 , further comprising a mating arm and a neutral spring for returning the engaging arm to a neutral position in the swinging section.

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