JP4154192B2 - Sliding door lock - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lock employed in a summing portion of a sliding door.
[0002]
[Prior art]
There is a sliding door lock that is used in the summoning section of the sliding door to lock the sliding door.
The sliding door lock used in this summoning section is usually locked and unlocked with a key from the outdoor side, but from the indoor side, it is locked by moving the knob member up and down without using the key.・ It is configured to unlock.
[0003]
[Problems to be solved by the invention]
The conventional sliding door lock has a problem that it can be easily unlocked even from the outdoor side when the glass fitted in the sliding door is broken.
Further, when locking, it is necessary to turn the key after inserting the key into the keyway, which may be troublesome.
In view of the above problems, the present invention aims to provide a sliding door lock that cannot be unlocked easily even if the glass fitted in the sliding door is broken, and is locked with one touch. Another object is to provide a sliding door lock.
[0004]
[Means for Solving the Problems]
The technical means that the present invention has taken in order to solve the technical problem is a lock employed in the summing portion of the sliding door, and is a first attached to one of the inner sliding door or the outer sliding door. And a second lock attached to the other, and the first and second locks are both configured to be locked and unlocked by operating with keys,
The first lock is provided with an engaging body, and the second lock is provided with an engaged body that is locked by being detachably engaged with the engaging body, and the key is used as the first lock or the second lock. By inserting and pushing into the key groove, one of the engaging body or the engaged body is moved so as to be relatively close to the other side, and both are engaged .
The engaging body is formed in a cylindrical shape and is provided with a locking flange extending radially inward, and a locking member that engages and disengages with the locking flange is retracted and retracted on the engaged body. When the locking member is pressed against the locking flange and retracted by moving one of the engaging body or the engaged body so as to approach the other side, the locking member protrudes when the locking member passes the locking flange. Configured to engage the inner surface of the locking flange
It characterized in that it is.
[0005]
In addition, a release groove is formed in the locking flange, and the engagement body or the engaged body is engaged with each other by rotating the engagement body or the engaged body with the key in the locked state to match the lock member with the release groove. It can be configured to be releasable.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 and 4, reference numeral 1 denotes a lock employed for the sliding door, and a summoning of the inner sliding door 2 located on the indoor side I and the outer sliding door 3 located on the outdoor side O. This is a sliding door lock employed in the section 4.
The sliding door lock 1 includes a first lock 5 attached to the summoning cage (meeting cage) of the inner sliding door 2 and a second lock attached to the summing cage (meeting cage) of the outer sliding door 3. And 6 locks.
[0007]
As shown in FIG. 2, the first lock 5 includes a lock holder 7 and a mounting plate 8, and allows the lock holder 7 to be inserted from the indoor side I into the mounting hole 9 provided in the inner sliding door 2. The seat 10 formed integrally with the lock holder 7 is brought into contact with the surface of the inner sliding door 2 on the indoor side I, and the mounting plate 8 is brought into contact with the surface of the inner sliding door 2 on the outdoor side O to be attached. The first lock 5 is attached and fixed to the inner sliding door 2 by screwing and screwing a screw 12 penetrating the seat 10 of the lock holder 7 into a screw cylinder 11 provided on the plate 8.
[0008]
The first lock 5 has a first cylinder lock mechanism 14 housed in (installed in) the lock holder 7, and the first cylinder lock mechanism 14 is connected to the outer cylinder 16. The inner cylinder 17, the engagement body 18, and the locking mechanism 19.
The outer cylinder 16 is held in a storage portion 15 formed in the lock holder 7 so as to be movable in the axial direction (indoor / outdoor direction X).
Further, the outer cylinder 16 is provided with a projecting portion 20 projecting radially outward, and a sliding member 22 is fitted to the projecting portion 20, whereby the outer cylinder 16 is rotated around the axis. It cannot be rotated.
[0009]
Further, on the back side (outdoor side O) of the sliding member 22 of the lock holder 7, a spring accommodating portion 23 for accommodating a spring 25 (biasing member) made of a coil spring or the like is provided, and the back side of the lock holder 7 The spring receiving plate 24 is fixed so as to close the spring accommodating portion 23, and the spring 25 is interposed between the spring receiving plate 24 and the sliding member 22 in a compression state. The outer cylinder 16 is urged toward the front side (indoor side I) by the urging force, and the outer cylinder 16 abuts against the seat 10 of the lock holder 7, thereby urging the spring 25. The movement to the front side by is controlled.
[0010]
The inner cylinder 17 has a key groove 26 and is inserted into the outer cylinder 16 from the front side so that it can rotate relative to the outer cylinder 16 about its axis.
Further, the inner cylinder 17 is provided with a stepped portion 27 that comes into contact with the front side of the outer cylinder 16, and a cylindrical body 28 that comes into contact with the back side of the outer cylinder 16 is fitted and fixed thereto. Thus, the inner cylinder 17 can be moved in the axial direction integrally with the outer cylinder 16.
Further, a contact 29 is inserted into the key groove 26 on the back side of the inner cylinder 17.
[0011]
As shown in FIG. 5, the engaging body 18 is formed of a cylindrical body, and is externally fitted and fixed to a cylindrical body 28 that is externally fitted and fixed to the inner cylinder 17. And can be integrally rotated about the axis.
In the present embodiment, the engaging body 18, the cylindrical body 28, the inner cylinder 17, and the pin 30 that penetrates the contact 29 can be integrally moved in the axial direction and can be integrally rotated.
Further, a locking flange 41 extending radially inward is formed at the rear side end of the engagement body 18, and the locking flange 41 has a radially symmetrical position as shown in FIG. 7. A pair of formed release grooves 42 are formed.
[0012]
The protruding end surface of the locking flange 41 is a tapered guide surface 43 that moves inward in the radial direction of the engagement body 18 toward the indoor side I.
The back side of the storage portion 15 of the lock holder 7 is open, and an opening 31 is formed in the mounting plate 8, and the engagement body 18 is attached by moving the inner cylinder 17 and the like in the axial direction. The plate 8 can be protruded from the opening 31 so as to be freely retracted.
As shown in FIGS. 2 and 5, the locking mechanism 19 stores the first tumbler pin 32, the second tumbler pin 33, the driver pin 34, the spring 35 (biasing member), and these. And a storage hole 36.
[0013]
The storage hole 36 is formed from the key groove 26 of the inner cylinder 17 through the outer cylinder 16 to the lock holder 7 and in the radial direction of the inner and outer cylinders 17, 16. , A second hole 38 formed in the outer cylinder 16, and a third hole 39 formed in the lock holder 7.
In the unlocked state and in a state where the key is removed from the key groove 26 of the inner cylinder 17, the first tumbler pin 32 is projected into the key groove 26 and accommodated in the first hole 37, The tumbler pin 33 is accommodated in the first hole 37, and the driver pin 34 is accommodated across the first to third holes 36, 37, 38.
[0014]
The spring 35 is interposed between the driver pin 34 and the plug body 40 (spring receiving member) that closes the third hole 39 in a compressed manner, and the first tumbler pin 32 and the second tumbler pin. 33 and the driver pin 34 are urged toward the inside in the radial direction of the inner and outer cylinders 17 and 16.
Therefore, when the key is removed, the driver pin 34 is accommodated across the first to third holes 36, 37, 38 (the driver pin 34 is connected to the boundary surface between the outer cylinder 16 and the lock holder 7 and The inner and outer cylinders 17 and 16 cannot move in the axial direction, and the inner cylinder 17 rotates relative to the outer cylinder 16 around the axis center (by crossing the boundary surface between the cylinder 16 and the inner cylinder 17). It is considered impossible.
[0015]
As shown in FIG. 3, the second lock 6 has a lock holder 45 and an attachment plate 46, and allows the lock holder 45 to be inserted from the outdoor side O into an attachment hole 47 provided in the outer sliding door 3. The seat 48 formed integrally with the lock holder 45 is brought into contact with the surface of the outside sliding door 3 on the outdoor side O, the mounting plate 46 is brought into contact with the surface of the outside sliding door 3 on the indoor side I, The second lock 6 is attached and fixed to the outer sliding door 3 by screwing and tightening a screw 50 penetrating the attachment plate 46 to a screw cylinder 49 provided in the holder 45.
The second lock 6 is provided with a second cylinder lock mechanism 51 stored in the lock holder 45 (incorporated), and the second cylinder lock mechanism 51 includes an outer cylinder 52 and a second cylinder lock mechanism 51. And an inner cylinder 53, an engaged body 54, and a locking mechanism 55.
[0016]
The outer cylinder 52 is held in a storage portion 56 formed in the lock holder 45 so as to be movable in the axial direction (indoor / outdoor direction X).
In addition, the outer cylinder 52 is provided with a protruding portion 57 that protrudes radially outward as in the first lock 5, and a sliding member 58 is fitted to the protruding portion 57. This prevents the outer cylinder 52 from rotating about the axis.
Further, on the back side (indoor side I) of the sliding member 58 of the lock holder 45, a spring accommodating portion 60 for accommodating a spring 59 (biasing member) made of a coil spring or the like is provided, and the back side of the lock holder 45 The spring receiving plate 61 is fixed so as to close the spring accommodating portion 60, and the spring 59 is interposed between the spring receiving plate 61 and the sliding member 58 in a compression state. The outer cylinder 52 is urged toward the front side (outdoor O) by the urging force, and the outer cylinder 52 abuts against the seat portion 48 of the lock holder 45, thereby urging the spring 59. The movement to the front side by is controlled.
[0017]
The inner cylinder 53 has a key groove 62 and is inserted into the outer cylinder 52 from the front side so that it can rotate relative to the outer cylinder 52 about its axis.
Further, the inner cylinder 53 is provided with a stepped portion 63 that contacts the front side of the outer cylinder 52, and a cylindrical body 69 that contacts the back side of the outer cylinder 52 is fitted and fixed thereto. Thus, the inner cylinder 53 can be moved in the axial direction integrally with the outer cylinder 52.
Further, a contact 64 is inserted in the key groove 62 on the back side of the inner cylinder 53.
[0018]
As shown in FIG. 5, the engaged body 54 is externally fitted and fixed to the inner cylinder 53, can move integrally with the inner cylinder 53 in the axial direction, and can rotate integrally around the axis. Has been.
The engaged body 54 is detachably engaged with the engaging body 18 of the first lock 5, a holding body 65 that is externally fixed to the inner cylinder 53, and a lock that engages with the engaging body 18. A member 66 and a spring 67 (biasing member) made of a coil spring or the like that biases the lock member 66 are included.
[0019]
The holding body 65 includes a cylinder body 69 that is fitted and fixed to the inner cylinder 53, and an inner fitting member 70 that is fitted and fixed to the cylinder body 69.
In the present embodiment, the cylindrical body 69, the inner cylinder 53, and the pin 71 penetrating the contact 64 can be integrally moved in the axial direction and can be integrally rotated.
The holding body 65 protrudes from an opening 74 formed in the spring receiving plate 61, and the protruding portion of the holding body 65 extends from the outer surface of the cylindrical body 69 to the inner fitting member 70 as shown in FIG. 8. A storage hole 72 is formed in the radial direction.
[0020]
A lock member 66 is removably inserted into the storage hole 72 and a spring 67 is stored so as to urge the lock member 66 in a direction in which the lock member 66 protrudes from the storage hole 72.
The protruding end surface of the lock member 66 is an inclined guide surface 73 that moves outward in the radial direction of the cylindrical body 69 from the indoor side I toward the outdoor side O.
An opening 75 is formed in the mounting plate 46. By moving the inner cylinder 53 and the like in the axial center direction, the engaged body 54 can protrude from the opening 75 of the mounting plate 46 so as to be freely retractable. Yes.
[0021]
As shown in FIGS. 3 and 5, the locking mechanism 55 stores a first tumbler pin 76, a second tumbler pin 77, a driver pin 78, a spring 79 (biasing member), and these. And a storage hole 80 to be used.
The storage hole 80 is formed from the key groove 62 of the inner cylinder 53 to the lock holder 45 through the outer cylinder 52 and in the radial direction of the inner and outer cylinders 53, 52. , A second hole 82 formed in the outer cylinder 52, and a third hole 83 formed in the lock holder 45.
[0022]
In the unlocked state and with the key removed from the key groove 62 of the inner cylinder 53, the first tumbler pin 76 is projected into the key groove 62 and accommodated in the first hole 81, and the second The tumbler pin 77 is accommodated in the first hole 81, and the driver pin 78 is accommodated across the first to third holes 80, 37 and 38.
The spring 79 is interposed between the driver pin 78 and a plug body 84 (spring receiving member) that closes the third hole 83 in a compressed manner, and the first tumbler pin 76 and the second tumbler pin. 77 and the driver pin 78 are urged toward the inside in the radial direction of the inner and outer cylinders 53 and 52.
[0023]
Accordingly, when the key is removed, the driver pin 78 is accommodated across the first to third holes 80, 37, and 38 (the driver pin 78 is connected to the boundary surface between the outer cylinder 52 and the lock holder 45 and The inner and outer cylinders 53 and 52 are immovable in the axial direction, and the inner cylinder 53 is rotated relative to the outer cylinder 52 around the axis (by crossing the boundary surface between the cylinder 52 and the inner cylinder 53). It is considered impossible.
In the sliding door lock 1 configured as described above, when the key is inserted into the key grooves 26 and 62 of the inner cylinders 17 and 53 of the first lock 5 or the second lock 6 in the unlocked state, the engagement body 18 or one of the engaged bodies 54 protrudes and engages with the other to be locked, and can be locked / unlocked only from the outdoor side O or the indoor side I by a key. In addition, it is configured so that it can be locked with one touch only by inserting the key.
[0024]
The locking and unlocking operation of the sliding door lock 1 will be described in detail. When the key is inserted into the key grooves 26 and 62 of the inner cylinders 17 and 53 of the first lock 5 or the second lock 6 in the unlocked state. As shown in FIG. 6, when the first tumbler pins 32, 76 are pushed by the key and retracted from the key grooves 26, 62, the first tumbler pins 32, 76 and the second tumbler pins 33, 77 The contact surface of the outer cylinders 16, 52 and the inner cylinders 17, 53 coincide with the boundary surface, and the contact surfaces of the second tumbler pins 33, 77 and the driver pins 34, 78 are the outer cylinders 16, 52. , And the outer cylinders 16 and 52 can be moved to the rear side in the axial direction, and the inner cylinders 17 and 53 are moved relative to the outer cylinders 16 and 52. Relative rotation is possible around the axis.
[0025]
When the key is pushed in as it is, the key hits 29 and 64 and the outer cylinders 16 and 52 move to the back side together with the inner cylinders 17 and 53 and the engagement body 18 or the engaged body 54, and The engaging body 54 protrudes from the openings 31 and 75 of the mounting plates 8 and 46.
At this time, the guide surface 73 of the lock member 66 and the guide surface 43 of the locking flange 41 come into contact with each other, and the lock member 66 is pressed by the locking flange 41 and retracted into the storage hole 72 so as to be locked. When the member 66 passes the locking flange 41, the locking member 66 protrudes from the storage hole 72 by the urging force of the spring 67, and the locking member 66 contacts the inner surface of the locking flange 41 as indicated by a virtual line in FIG. By touching, the sliding door lock 1 is locked.
[0026]
In the locked state, when the key is turned to rotate the inner cylinders 17 and 53 so that the lock member 66 is aligned with the release groove 42 of the locking flange 41, the engagement body 18 and the engaged body 54 are engaged. When the key is pulled in this state, the engaging body 18 or the engaged body 54 is retracted from the openings 31 and 75 of the mounting plates 8 and 46, and the sliding door lock 1 is unlocked.
When the key is removed from the key grooves 26 and 62 after locking, relative rotation around the axis of the inner cylinders 17 and 53 with respect to the outer cylinders 16 and 52 is restricted, and the key is inserted into the key grooves 26 and 62. Sometimes, a second locking mechanism (not shown) composed of a tumbler pin, a driver pin, a spring and the like that functions to allow relative rotation around the axis of the inner cylinders 17 and 53 with respect to the outer cylinders 16 and 52 is provided. The inner cylinders 17 and 53 and the outer cylinders 16 and 52 are provided.
[0027]
In the above configuration, a plurality of the locking mechanisms 19 and 55 may be provided in the axial direction of the inner and outer cylinders 17, 16, 53 and 52.
In the present embodiment, the first lock 5 is attached to the inner sliding door 2 and the second lock 6 is attached to the outer sliding door 3, but the present invention is not limited to this. One lock 5 may be attached to the outer sliding door 3 , and the second lock 6 may be attached to the inner sliding door 2 .
[0028]
【The invention's effect】
According to this invention, it is a lock | rock employ | adopted as the summing part of a sliding door, Comprising: The 1st lock | rock attached to one of an inside sliding door or an outside sliding door, and the 2nd lock | rock attached to the other Even if the glass fitted in the sliding door is broken, the first and second locks are both configured to be locked and unlocked by operating with the key. It has the effect that it cannot be unlocked easily.
In addition, the first lock is provided with an engaging body, and the second lock is provided with an engaged body that is locked by being detachably engaged with the engaging body, and the key is attached to the first lock or the second lock. By inserting into the key groove of the lock and pushing it in, one of the engaging body or engaged body moves so as to be relatively close to the other side, and both are engaged, so that the key insertion operation Can be locked with one touch.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view taken along line AA in FIG.
FIG. 2 is a side sectional view of a first lock.
FIG. 3 is a side sectional view of a second lock.
FIG. 4 is a front view of the lock as viewed from the outdoor side.
FIG. 5 is an enlarged side view of an engaging portion of the lock.
FIG. 6 is a cross-sectional view of the inner and outer cylinders and the locking mechanism.
FIG. 7 is a rear view of the engaging body.
FIG. 8 is a cross-sectional view of a lock member assembly portion of an engaged body.
[Explanation of symbols]
1 pull difference Toyo lock 2 inner 引違 site 3 outside 引違 Ito 4 callings mating portion 5 first lock 6 second lock 7 tablets holder 16 outer inner cylinder 18 engaging tube 17 united 19 locking mechanism 26 keyway 32 First tumbler pin 33 Second tumbler pin 34 Driver pin 36 Housing hole 41 Locking flange 42 Release groove 45 Lock holder 54 Engagement body 52 Outer cylinder 53 Inner cylinder 55 Locking mechanism 62 Key groove 66 Lock member 76 First Tumbler pin 77 Second tumbler pin 78 Driver pin 80 Storage hole

Claims (2)

A lock employed in the summing portion of the sliding door, comprising a first lock attached to one of the inner sliding door or the outer sliding door, and a second lock attached to the other. The two locks are configured to be locked / unlocked by operating both with the key.
The first lock is provided with an engaging body, and the second lock is provided with an engaged body that is locked by being detachably engaged with the engaging body, and the key is used as the first lock or the second lock. By inserting and pushing into the key groove, one of the engaging body or the engaged body is moved so as to be relatively close to the other side, and both are engaged ,
The engaging body is formed in a cylindrical shape and is provided with a locking flange extending radially inward, and a locking member that engages and disengages with the locking flange is retracted in the engaged body. When the locking member is pressed against the locking flange and retracted by moving one of the engaging body or the engaged body so as to approach the other side, the locking member protrudes when the locking member passes the locking flange. The sliding door lock is configured to engage with the inner surface of the locking flange . The release flange is formed in the locking flange, and the engagement between the engagement body and the engaged body can be released by rotating the engagement body or the engaged body with the key in the locked state and matching the lock member with the release groove. pull differences door for tablet according to claim 1, characterized in that there is a.

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