JP2005163501A - Sliding door lock - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sliding door lock structured to be compact in a vertical direction. <P>SOLUTION: The sliding door lock fitted to a sliding door 2 comprises a hook member 31 engageable with an engaged section 15a mounted on a door frame 4, and a sliding member 30 which is provided to be movable in an open/close direction of the sliding door 2 and is moved toward a closing direction of the sliding door 2 by a magnetic attraction force upon closing of the sliding door 2. The hook member 31 is arranged on a side of and along the sliding member 30 to be swingably supported by the sliding member 30. The hook member 31 is provided with a guided member 47. When the sliding door 2 is moved to be closed, the hook member 31 moves linearly together with the sliding member 30 to the position where the hook member 31 is engageable with the engaged part 15a. The hook member is also provided with a guide part 46 to guide the guided member 47 so that the hook member 31 may swing around a swing axial center at a position where the hook member 31 is engageable with the engaged part 15a, and may be engaged with the engaged part 15a. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a sliding door lock.

Conventionally, there is a sliding door lock that is automatically locked when the sliding door is closed in order to prevent the sliding door from colliding with the door frame and bouncing back when the sliding door is closed forcefully (Patent Document). 1).
This sliding door lock has a lock case that is housed in a carved hole formed on the end surface side of the sliding door in the closing direction, and a slide member that is housed in the lock case so as to be movable in the opening / closing direction (front-rear direction) of the sliding door. And a hook member that is housed in the lock case and protrudes from the lock case and is hooked on a hooked portion provided on the door frame side when the sliding door is closed.

A magnet is built in the front part of the slide member, and when the sliding door is closed, the magnetic force is generated between the magnet provided on the slide member and the magnet fixedly provided on the door frame side. The slide member is configured to move in the closing direction of the sliding door and protrude from the lock case.
In addition, the hook member is disposed on the side of the slide member, and the middle part in the vertical direction is pivotally connected to the slide member so as to be swingable back and forth via a pivot in the left-right direction (thickness direction of the sliding door). A sickle-shaped hook is provided at the lower part of the hook member, and the rear side of the upper part of the hook member is in contact with a left and right support shaft fixed to the lock case to close the sliding door. When the sliding member moves in the sliding door closing direction, the middle part of the hooking member is pushed forward by the pivot, and the hooking member swings so that the hooking part is hooked to the hooked part, Thus, it is configured to be automatically locked.

In addition, a lock member that restricts the movement of the slide member in the sliding door opening direction is provided on the lower side of the slide member so that the slide member does not move backward when the sliding door is closed. The locking member closes the sliding door. Sometimes it automatically engages with the slide member, and the lock member is configured to be unlocked by pushing the unlocking lever provided in the sliding door puller inward in the left-right direction. By pulling the sliding door in the opening direction while pushing the unlocking lever, the hooking part can be released from the hooked part and the sliding door can be opened, and the sliding member and the hooking member are returned to the original position by the biasing force of the spring. Configured to go back.
JP 2000-265730 A

In the conventional sliding door lock, the middle part of the hooking member is pushed by the slide member via the pivot so that the lower hooking part of the hooking member is swung forward. Is arranged in the vertical direction, and a locking member is provided on the lower side of the slide member, the sliding door lock is enlarged in the vertical direction, and the sliding door is stored in the sliding door. There is a problem that the opening area of the engraved hole becomes large.
Then, an object of this invention is to provide the sliding door lock which can be comprised compactly in view of the said problem.

The technical means taken by the present invention to achieve the above object is a sliding door lock provided on the sliding door,
A hook member hooked on a hooked portion provided on the door frame, and a slide member that is provided so as to be movable in the opening / closing direction of the sliding door and moves in the closing direction of the sliding door by the magnetic attraction when the sliding door is closed. The hook member is disposed adjacent to the slide member and along the slide member and is swingably supported by the slide member. When the hook member is provided with a guided portion and the sliding door is closed, The hook member linearly moves together with the slide member to a position where the hook member can be hooked on the hooked portion, and the hook member swings around the swing axis at the position where the hook member can be hooked on the hooked portion. A guide portion is provided for guiding the guided portion so as to be hooked to the engaging portion.

Thereby, a sliding door lock can be comprised compactly and the opening area of the engraving hole which accommodates a sliding door lock can be made small.
The guide portion is formed in the opening / closing direction of the sliding door, and the linear portion guides the guided portion so that the hooking member moves linearly with the slide member to a position where the hooking member can be hooked on the hooked portion, and the linear portion Inclination that guides the guided part so that the hooking member swings around the pivot axis and is hooked on the hooked part at a position where the hooking member can be hooked on the hooked part. It is good to be comprised from the part.

Further, it is preferable that an unlocking lever is provided in a pulling handle provided in the sliding door, and the sliding member is moved in the opening direction of the sliding door by pushing the unlocking lever in the opening direction of the sliding door.
In conventional sliding door locks, the unlocking lever must be pushed inward in the left-right direction to unlock the lock member, and then the sliding door must be pulled in the opening direction (rear). Simultaneously unlocking the sliding door by simply pushing the unlocking lever in the opening direction of the sliding door by moving the ride member in the opening direction of the sliding door by pushing the lever in the opening direction of the sliding door The sliding door can be moved in the opening direction, and operability is good.

The sliding member moves forward when the sliding door is closed, and protrudes from the sliding door. The spring is positioned on the upper rear side of the main body and is biased in a direction in which the sliding member is moved backward by the biasing member. An operating portion disposed on the rear side of the main body portion and positioned below the spring receiving portion so as to be movable back and forth. It is preferable that a pushing member having a pushing portion that pushes the spring receiving portion by retreating the operation portion to retreat the slide member against the magnetic attractive force is disposed.
Thereby, a sliding door lock can be comprised compactly.

  According to the present invention, the sliding door lock can be made compact.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
In FIG. 3, reference numeral 1 denotes a locking mechanism that locks the sliding door. The locking mechanism 1 mainly includes a sliding door lock 3 provided on the sliding door 2 and a receiving device 5 provided on the door frame 4.
In the following description, the thickness direction of the sliding door 2 is referred to as the left-right direction, and with respect to the members provided on the sliding door 2 side, the closing direction of the sliding door 2 is referred to as the front and the opening direction is referred to as the rear, and provided on the door frame 4 side. With respect to the members formed, the opening direction of the sliding door 2 is referred to as the front and the closing direction is referred to as the rear.
As shown in FIGS. 6 and 7, on the end side of the sliding door 2 in the closing direction, an inner puller 6 disposed on the indoor side of the sliding door 2, and an outer puller 7 disposed on the outdoor side of the sliding door 2 Is attached.

A through hole 8 penetrating in the left-right direction is formed in a portion of the sliding door 2 to which the inner and outer pull handles 6 and 7 are attached, and the inner and outer pull handles 6 and 7 are fitted into the through hole 8 in an immersive manner. It has the recessed part 9 and the seat part 10 which protrudes from the outer periphery whole periphery of this recessed part 9, and contacts the surface of the sliding door 2 in the surface-contact form.
The lower side of the recessed portion 9 of each of the inner and outer pullers 6, 7 is recessed one step deeper in the back side of the through-hole 8 than the upper side and serves as a handle portion 11 for placing a hand. A pair of upper and lower mounting cylinders 12 is provided on the back surface (the inner surface in the left-right direction) of the recessed portion 9, and a hole on the inner peripheral side of the mounting cylinder 12 is a screw hole. The inner and outer pulling hands 6 and 7 are attached so as to sandwich the sliding door 2 by passing through the recessed portion 9 and screwing into the mounting cylinder 12.

As shown in FIGS. 1 and 2, the receiving device 5 is housed in a carved hole formed in a vertical cover of the door frame 4 facing the cover plate 13 on the front side and the closing direction end surface of the sliding door 2. A receiving box 14 provided, a hooked member 15 and the like are provided.
The receiving box 14 includes upper and lower walls 16a and 16b, left and right side walls 16c, and a rear wall 16d, and the box body 16 whose front side is open, and the front side end of the upper wall 16a of the box body 16 upward. An upper mounting wall 17a that extends and a lower mounting wall b that extends downward from the front side end of the lower wall 16b of the box body 16 are provided.

The cover plate 13 is provided so as to cover the front side of the receiving box 14, a rectangular opening 18 is formed in the middle in the vertical direction, and a screw insertion hole 19 is formed in the top and bottom to pass through the upper and lower screws. The relative position of the receiving box 14 and the cover plate 13 can be adjusted by screws inserted into the door frame 4 through the notches 20 formed in the holes 19 and the upper and lower mounting walls 14a, 14b of the receiving box 14. It is attached to the door frame 4.
In addition, a magnet 21 is built in a midway portion in the vertical direction of the back wall 16d of the receiving box 14.
The hooked member 15 is formed of a plate and is disposed at an upper portion in the receiving box 14. An adjustment screw 22 is passed through and screwed into the upper portion of the hooked member 15.

The adjustment screw 22 is supported on the rear wall 16d on the rear end side and on a support member 23 provided in the receiving box 14 on the front end side so that the adjustment screw 22 can rotate about the axial center in the front-rear direction. Is provided so as to be rotatable around the axial center in the front-rear direction, and by adjusting the adjustment screw 22 around the axial center, the front-rear position of the hooked member 15 can be adjusted. Yes.
In addition, an adjustment operation portion 22 a for rotating the adjustment screw 22 about its axis is provided on the front end side of the adjustment screw 22, and this adjustment operation portion 22 a is in a long hole 25 provided in the cover plate 13. The front / rear position of the hooked member 15 can be adjusted from the outside.

The lower part of the hooked member 15 extends forward and is bent so as to extend downward in the opening 18 of the cover plate 13. The lower part of the hooked member 15 is connected to the hooked part 15a. Has been.
The sliding door lock 3 includes a lock body 26, an unlocking lever 27, and a lock device 28.
As shown in FIGS. 1 to 5, the lock body 26 includes a lock case 29 that is formed on the end surface side in the closing direction of the sliding door 2 and is housed in an engraved hole that communicates with the through hole 8. The sliding member 30 accommodated in the front and rear direction movably in the door 29, and the hooked portion provided in the door frame 4 side which is stored in the lock case 29 and protrudes from the lock case 29 when the sliding door 2 is closed. And a hooking member 31 hooked on 15a.

The lock case 29 is hollow and open to the front (a cylindrical shape having an open front and a closed back), and has an elliptical shape that is long in the vertical direction when viewed from the back. Yes.
Further, the lock case 29 is divided into left and right parts, and the left and right case constituent members 29a and 29b of the lock case 29 are fixed to each other by mounting screws 32 or the like (see FIG. 5A).
Further, the rear side of the lock case 29 is located in the middle in the vertical direction between the inner and outer pullers 6 and 7.

A mounting wall 33 is provided on the front side of the lock case 29 so as to cover the front end opening of the lock case 29, and a front plate 34 is disposed on the front side of the mounting wall 33. In addition, a screw insertion hole 35 penetrating both is formed in the upper and lower portions of the front plate 34, and a lock case 29 is attached and fixed by a screw that is inserted into the sliding door 2 through the screw insertion hole 35.
An opening 36 through which the slide member 30 can pass and an opening 37 through which the hooking member 31 can pass are adjacent to and communicated with each other in the middle in the vertical direction of the mounting wall 33 and the front plate 34. Is formed.

A support wall 38 extending in the left-right direction from the side wall of one of the left and right (right) case constituent members 29 b is provided in the middle in the vertical direction on the rear side in the lock case 29, and the rear side of the support wall 38 is on the lock case 29. The left side of the front part is formed in a width that is cut out by a predetermined range.
A spring receiving wall 39 provided on one case constituent member 29 b is disposed on the upper side of the midway portion in the front-rear direction in the lock case 29.
Further, the rear wall upper portion 40a of one case constituent member 29b is formed thick, and a spring receiving portion 41 is provided on the rear wall lower portion 40b of one case constituent member 29b.

The lower part on the rear side of the lock case 29 extends from a vertically middle part of the side wall of one case constituent member 29b through a bottom part of the lock case 29 to a middle part in the vertical direction of the side wall of the other left (right) case constituent member 29a. A notch opening 42 formed in this manner is formed.
A guide hole 43 made of a long hole extending in the front-rear direction is formed in the left-right direction through the middle part in the vertical direction of the left and right side walls on the front side of the lock case 29.
On the inner surface of the side wall of the other case component member 29a, it is located on the front side of the notch opening 42 and below the guide hole 43 in a side view, and has a length extending from the front end of the lock case 29 to the middle part. The groove forming portion 44 is formed separately and is fixed to the inner surface of the other case constituent member 29a (or formed integrally with the other case constituent member 29a). A guide groove 45 is formed, and the guide groove 45 is formed so that the rear side is linear in the front-rear direction, and the front side is inclined so as to move downward as it goes forward. The lower surface side of the guide groove 45 will be described later. The guide portion 46 is a guide portion 46 that guides the guided portion 47. The guide portion 46 has a linear portion 46a on the rear side that is linear in the front-rear direction, and an inclined front portion that moves downward as it goes forward. And a swash unit 46b.

The slide member 30 is arranged on one side of the lock case 29 on the left and right sides (right case component member 29b side), and has a length extending from the front end side to the rear end side of the lock case 29.
The slide member 30 is mainly composed of a main body portion 48 on the front side, a spring receiving portion 49 on the rear side, and a connecting portion 50 that connects the main body portion 48 and the spring receiving portion 49.
The right side surface of the main body portion 48 of the slide member 30 is shaped along the inner surface of the lock case 29, the left side surface is formed as a flat surface, and the rear side of the main body portion 48 has a width extending in the vertical direction in the lock case 29. The slide member 30 is formed so as not to tilt forward and backward, and is formed to have a width extending from the lower end to the middle in the vertical direction from the front-rear direction midway portion to the front end, and the front end side of the main body portion 48 is the opening. It is located in the part 36.

A pivot shaft 51 is provided in the left-right direction through the middle portion of the main body 48 of the slide member 30, and the guide holes in which the small-diameter shaft portions 51 a on both the left and right sides of the pivot shaft 51 are provided in the lock case 29. 43, the slide member 30 can be moved back and forth within the range of the front and rear length of the guide hole 43, and the front portion of the main body 48 of the slide member 30 can be moved back and forth from the lock case 29. ing.
The spring receiving portion 49 and the connecting portion 50 of the slide member 30 are disposed on the upper side of the support wall 38 of the lock case 29, the spring receiving portion 49 is formed in a width extending in the left-right direction in the lock case 29, and the connecting portion 50 is the lock case. 29 has a width extending from the right end side in the left-right direction to the middle part in the left-right direction.

A coil spring (biasing member) 52 is interposed between the spring receiving portion 49 of the slide member 30 and the spring receiving wall 39 of the lock case 29 in a compressed state, and the slide member 30 is urged by the biasing force of the coil spring 52. Is urged rearward, and the sliding member 30 is stored in the lock case 29 in a state where the sliding door 2 is opened.
On the other hand, the main body 48 incorporates a magnet 53 having magnetism different from that of the magnet 21 provided in the receiving device 5, and when the sliding door 2 is closed, the magnet 21 and the slide member 30 of the receiving device 5 are closed. The magnet 53 is attracted to each other and the slide member 30 moves forward, and the front portion of the main body 48 of the slide member 30 protrudes from the lock case 29 and is inserted into the receiving box 14 from the opening 18 of the receiving device 5. It is like that.

One of the magnet 21 of the receiving device 5 and the magnet 53 of the slide member 30 may be replaced with a magnetic material such as iron.
Further, a spring hooking portion 54 made of a pin or the like is provided on the upper rear side of the main body 48 of the slide member 30 (the rear upper side of the pivot 51).
The hook member 31 is arranged adjacent to the side of the main body 48 of the slide member 30 and along the front-rear direction with respect to the main body 48, and is hooked on the hooked portion 15a of the receiving device 5 on the front end side. A sickle-like hook 31a is formed so as to face upward.

The pivot 51 is passed through the upper part of the rear side of the hook member 31, and the hook member 31 is supported by the slide member 30 so as to be rotatable around the axis of the pivot 51 (the hook member 31 is a slide member). 30 is supported so that it can swing up and down).
A guided portion 47 made of a pin or the like that fits into the guide groove 45 is provided at the rear portion of the slide member 30 (below the pivot 51). The guided portion 47 opens the sliding door 2. When the slide member 30 is housed in the lock case 29, the slide member 30 is positioned on the rear end side of the guide groove 45.

One end of a torsion coil spring (biasing member) 55 is hooked on the guided portion 47, and the other end of the torsion coil spring 55 is hooked on a spring hook portion of the slide member 30. The coil portion of the torsion coil spring 55 is pivoted. The rear portion of the hooking member 31 is urged downward by the torsion coil spring 55.
In the sliding door lock 3 configured as described above, when the sliding door 2 is closed, the slide member 30 protrudes from the lock case 29. At this time, the guided portion 47 initially moves on the straight portion 46a of the guide portion 46. Therefore, the hook member 31 moves linearly in the front-rear direction together with the slide member 30, protrudes from the lock case 29 and is inserted into the receiving device 5, and the hook member 31 (the hook portion 31a) can be hooked on the hooked portion 15a. To the right position.

When the hooking member 31 reaches a position where it can be hooked on the hooked portion 15 a, the guided portion 47 is guided by the inclined portion 46 b of the guide portion 46, and the front portion of the hooking member 31 moves upward about the axis of the pivot 51. The hook part 31a is hooked on the hooked part 15a and automatically locked.
At this time, the swinging motion of the hooking member 31 is assisted by the biasing force of the torsion coil spring 55.
In this locked state, even if the sliding door 2 is pressed in the opening direction, since the hooking portion 31a of the hooking member 31 is hooked on the hooked portion 15a, the sliding door 2 cannot be opened.

A push member 56 for pushing back the slide member 30 protruding from the lock case 29 to remove the hook member 31 from the hooked portion 15a is housed in the rear portion of the lock case 29 so as to be movable in the front-rear direction.
The pushing member 56 is located on the lower side of the support wall 38 of the lock case 29, and on the upper side of the support wall 38 and on the side of the connecting portion 50 of the slide member 30. A pressing portion 58 that can be in contact with the lower portion of the 30 spring receiving portions 49, and is extended upward from the left side of the upper surface of the operation portion 57 through the side of the front side of the support wall 38 and connected to the pressing portion 58. And a connecting portion 59 that connects the operating portion 57 and the pressing portion 58.

A compression coil spring (biasing member) 60 is interposed between the operation portion 57 and the spring receiving portion 41 of the rear wall lower portion 40b of the right case constituent member 29b, and the pushing member 56 is moved forward by the coil spring 60. The pushing member 56 is in contact with the groove forming portion 44 and the like, so that the forward movement is restricted.
The pressing portion 58 of the pushing member 56 is spaced forward from the lower portion of the spring receiving portion 41 of the slide member 30 in a state where the sliding door 2 is open, and allows the slide member 30 to move forward.

When the sliding door 2 is closed, the lower portion of the spring receiving portion 49 of the slide member 30 is in contact with the pressing portion 58 of the pressing member 56. In this state, the pressing member 56 is applied to the biasing force of the coil spring 60. If the slide member 30 is moved rearward against the attracting force of the magnets 21 and 53, the hook member 31 is also moved rearward as the slide member 30 moves rearward. By the reverse operation, the guided portion 47 is guided by the guide portion 46, the hooking member 31 is detached from the hooked portion 15a, and the sliding door 2 can be opened.
An insertion hole 61 penetrating in the left-right direction is formed in the operation portion 57 of the pushing member 56.

The unlocking levers 27 are provided inside and outside the sliding door 2, and are respectively disposed in the handle portion 11 of the pulling handle as shown in FIGS.
On the inner side of the lower end of each unlocking lever 27, there is provided a pivot 62 having a lateral axis that protrudes inward in the lateral direction. The unlocking lever 27 is swingably movable back and forth around the axis of the pivotal support 62.
Further, the upper end side of each unlocking lever 27 is positioned on the lower end side of the recessed portion 9 of the pull handles 6, 7, and an open engaging groove 63 is formed on the upper end side of the unlocking lever 27. Has been.

In addition, an insertion hole 64 formed in an arc shape centering on the axis of the pivotal support portion 62 is formed in the lower end side of the recessed portion 9 of the pullers 6 and 7 so as to penetrate therethrough. An interlocking member 65 made of a pin is inserted into the notch opening 42 of 29 and the insertion hole 61 of the pushing member 56, and the engaging groove 63 of each unlocking lever 27 is fitted into the interlocking member 65. .
Further, the interlocking member 65 is located at the center of the insertion hole 64 when the unlocking lever 27 is not operated.
Therefore, when the unlocking lever 27 is swung backward, that is, in the sliding door 2 opening direction with the sliding door 2 closed, the pushing member 56 is moved rearward via the interlocking rod, and the hooking member 31 is engaged. The sliding door 2 can be opened by detaching from the portion 15a and moving the sliding door 2 in the opening direction as it is.

The unlocking lever 27 is configured to be able to swing back and forth so that the locking mechanism 1 and the pulling handles 6 and 7 can be attached to either one end side or the other end side of the sliding door 2 in the opening / closing direction. It is to make it.
The locking device 28 locks the unlocking lever 27 so that it cannot be operated, so that the unlocking lever 27 does not allow the unlocking operation of the sliding door lock 3.
As shown in FIGS. 7 to 11, the lock device 28 is provided on the upper side of the recessed portion 9 of the inner puller 6, and includes an operation member 66, a swing lever 67, and a lock member 68. These are covered with a cover member 69.

The cover member 69 has a pair of front and rear mounting cylinders 71 provided on the inner surface side so as to protrude vertically inward in the left-right direction, and the inner peripheral side of the mounting cylinder 71 is a screw hole. The cover member 69 is attached and fixed to the pull handle 6 by an attachment screw that is inserted from the side and screwed into the attachment cylinder 71.
Similarly, a cover member 70 is also provided on the upper side of the recessed portion 9 of the outer puller 7, and both cover members 69, 70 also cover the upper end side of the unlocking lever 27.
A rectangular opening 72 is formed in the cover member 69 that covers the upper portion of the inner puller 6.

The operation member 66 is disposed inside the cover member 69, a lock member 68 is disposed inside the operation member 66, and a swing lever 67 is disposed inside the lock member 68.
The operation member 66 is supported so as to be movable up and down by a position restricting portion or the like provided on the inner surface side of the cover member, and a shooting 66 a that protrudes through the opening 72 of the cover member 69 is provided on the outer surface side of the operation member 66. In addition, the operation member 66 can be slid up and down by grasping the photographing 66a.
Further, a triangular positioning portion 73 is provided on the front end side of the operation member 66, and a torsion coil spring 74 is interposed between the front end side of the operation member 66 and the side of the recessed portion 9 of the puller 6. One end side of the torsion coil spring 74 is in contact with the side surface of the recessed portion 9 of the pull handle 6, and the coil portion is fitted into a shaft portion 75 having a left and right axial center provided on the pull handle, and the other end. On the side, engaging portions 76 that engage with the positioning portion 73 are provided at two locations in the upper and lower directions, and the operating member 66 is slid up and down to selectively move the positioning portion 73 to the upper and lower engaging portions 76. The operating member 66 can be positioned at two positions in the up and down directions, the lower position is the unlocking position, and the upper position is the locking position.

A rack 77 formed in the vertical direction is provided on the front side inside the operation member 66.
A boss portion 78 is provided on the inner surface side of the swing lever 67, and this boss portion 78 penetrates through the pull handle 6 and is supported by the pull handle 6 so as to be rotatable about a horizontal axis.
A bifurcated engagement portion 79 is provided on one side of the swing lever 67 in a direction orthogonal to the rotation axis, and a pinion 80 that meshes with the rack 77 is centered on the rotation axis on the other side. It is provided in the circumferential direction predetermined range.

Further, a pair of upper and lower guide pins 81 are provided on the inner surface side of the lock member 68, and the guide pins 81 are inserted through guide holes 82 formed in the puller 6 in the up and down direction. 68 is supported so as to be movable in the vertical direction.
Further, a lock portion 83 that fits into the engagement groove 63 on the upper end side of the unlocking lever 27 is provided on the lower end side of the lock member 68.
An engaging pin 84 that engages with the engaging portion 79 of the swing lever 67 is provided on the inner surface side of the lock member 68.

In the lock device 28 having the above-described configuration, as shown in FIGS. 10 and 11A, when the operation member 66 is at the lower unlocking position, the engaging portion 79 of the swing lever 67 is rearward and upward. The lock member 68 is in a position where the lock portion 83 is disengaged upward from the engagement groove 63 of the unlocking lever 27.
From this state, when the operating member 66 is slid upward to the upper locking position, the rack 77 is engaged with the pinion 80 and the engaging portion 79 of the swing lever 67 is moved as shown in FIG. The swing lever 67 is rotated so as to swing downward, the lock member 68 is moved downward via the engagement pin 84, and the lock portion 83 is fitted in the engagement groove 63 of the unlocking lever 27. The lock lever 27 is locked so as not to swing back and forth.

As shown in FIGS. 6B and 7, the cover member 70 of the outer puller 7 is provided with a display window 85 and an insertion hole 86 positioned below the display window 85. ing.
In addition, a disc member 87 supported between the outer puller 7 and the cover member 70 covering the outer puller 7 so as to be rotatable about the axis in the left-right direction is interposed. On the outer side of the disc member 87 in the left-right direction, an operation portion 88 is provided for inserting an insertion hole 86 formed in the cover member 70, and a groove portion 89 into which a coin or the like can be engaged is formed in the operation portion 88. ing.
Further, a cylindrical member 90 is provided on the inner side of the disc member 87 in the left-right direction, and this cylindrical member 90 is connected to a boss portion 78 of the swing lever 67 of the lock device 28 via a connecting member so as to be integrally rotatable. ing.

Accordingly, the swing lever 67 can be rotated by fitting a coin or the like in the groove portion 89 of the operation portion 88 and turning, and the lock device 28 can be unlocked from the outside.
Further, on the outer surface of the disc member 87 in the left-right direction, a position that can be seen from the display window 85 when the operating member 66 of the locking device 28 is set to the locked position, and a display window that is displayed when the operating member 66 is set to the unlocked position. Two display portions are provided with different colors, characters, figures, etc. at each position with respect to the two positions that can be seen from 85, and how the operation member 66 of the lock device 28 is located outside the sliding door 2. It is displayed whether the operation state is correct.

In the embodiment having the above-described configuration, the guided portion 47 may be a groove and the guide portion 46 may be a pin.
Further, the torsion coil spring 55 for biasing the hooking member 31 is not necessarily required and may be omitted. In this case, the groove forming portion 44 is brought into contact with the hooking member 31 to function as a guide for the hooking member 31. You may do it.
Moreover, you may comprise the said sliding door lock 3 and the receiving device 5 so that it may be attached upside down.

It is side surface sectional drawing of the receiving apparatus and sliding door lock which show the state which opened the sliding door. It is side surface sectional drawing of the receiving apparatus and sliding door lock which show the state which closed the sliding door. It is an external view, such as a sliding door. (A) is a front view of the lock main body 26 of a sliding door lock, (b) is the same side view. (A) is the sectional view on the AA line of FIG. 1, (b) is the sectional view on the BB line of FIG. 1, (c) is the sectional view on the CC line of FIG. It is a front view of a handle. It is sectional drawing of a puller attachment part. It is sectional drawing of the upper side part of an inner puller. It is a figure of the plane cross section of the upper side part of an inner puller. It is a front view of a lock mechanism. (A) is a figure of (b) which shows the non-locking state of a locking mechanism.

Explanation of symbols

DESCRIPTION OF SYMBOLS 2 Sliding door 3 Sliding door lock 4 Door frame 6 Pull handle 7 Pull handle 15a Engagement part 27 Unlocking lever 30 Slide member 31 Engagement member 46 Guide part 46a Linear part 46b Inclination part 47 Guide part

Claims (4)

A sliding door lock provided on the sliding door (2),
The hook member (31) hooked on the hooked portion (15a) provided on the door frame (4) and the sliding member (2) are provided so as to be movable in the opening / closing direction of the sliding door (2). A sliding member (30) that moves in the closing direction of the sliding door (2) by a suction action, and the hooking member (31) is disposed adjacent to the sliding member (30) and along the sliding member (30). At the same time, the sliding member (30) is swingably supported. The hooked member (31) is provided with a guided portion (47). When the sliding door (2) is closed, the hooking member (31) It moves linearly with the slide member (30) to a position where it can be hooked on the hooked portion (15a), and the hooking member (31) swings at a position where the hooking member (31) can be hooked on the hooked portion (15a). Swing around the axis of movement Wherein as caught by the engaging portion (15a) sliding door lock, characterized in that it comprises a guide portion for guiding the guided portion (47) (46).   The guide portion (46) is formed in the opening / closing direction of the sliding door (2), and moves linearly together with the slide member (30) to a position where the hooking member (31) can be hooked on the hooked portion (15a). A linear portion (46a) for guiding the guided portion (47), and a position formed so as to be inclined with respect to the linear portion (46a) so that the hooking member (31) can be hooked on the hooked portion (15a). The hook member (31) is composed of an inclined portion (46b) for guiding the guided portion (47) so that the hook member (31) swings around the swing axis and is hooked on the engaged portion (15a). The sliding door lock according to claim 1.   The unlocking lever (27) is provided in the pulling handle (6, 7) provided in the sliding door (2), and the unlocking lever (27) is pushed in the opening direction of the sliding door (2) to thereby slide the member (30). The sliding door lock according to claim 1 or 2, wherein the sliding door lock is moved in the opening direction of the sliding door. The slide member (30) moves forward when the sliding door (2) is closed and protrudes from the sliding door (2), and is positioned on the upper rear side of the main body (48) and attached. A spring receiving portion (49) urged in a direction in which the slide member (48) is retracted by the urging member (52), and a hooking member (31) is disposed on the side of the main body portion (48). An operation portion (88) located below the spring receiving portion (49) and disposed so as to be movable back and forth on the rear side of the portion (48), and the operation portion (88) are retracted to retract the operation portion (88). A pressing member (56) having a pressing portion (58) that presses the spring receiving portion (49) to retract the slide member (30) against the magnetic attractive force is disposed. The sliding door lock in any one of Claims 1-3.

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