JP2011214372A - Double sliding door lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a double sliding door lock which improves engagement of an out-side operation member with an interlocking member, which simplifies a structure, and which reduces costs.SOLUTION: An in-side unit 1B provided on an indoor-side stile 5 comprises a locking member 34 which is engaged with a strike portion 35 of an out-side unit 1A provided on an outdoor-side stile 4, a locking operation member 97 for operating the locking member 34, and the interlocking member 99 which is synchronized with the operation of the locking operation member 97. The out-side unit 1A comprises the out-side operation member 39 which is engaged with the interlocking member 99, and a cylinder lock 15 which is operated with a key so as to operate the out-side operation member 39. The out-side operation member 39, which is formed of a flat plate as a solid plate, comprises a locking operation portion 42 which is engaged with the interlocking member 99 so as to make the locking member 34 operated to be locked, and an unlocking operation portion 43 which is engaged with the interlocking member 99 so as to make the locking member 34 operated to be unlocked. The out-side operation member 39 is turnably supported to be engaged with the interlocking member 99 by having the unlocking and locking operation portions 43 and 42 swung upward and downward from a nonoperation position.

Description

  The present invention relates to a sliding door lock provided at a summing portion of a sliding door.

  Conventionally, as a sliding door, an out-side unit provided on an outdoor summoning tub (outer side) and an in-side unit provided on an indoor summoning tub (inner side) are provided. A locking member that removably engages with a strike portion provided in the out-side unit and locks the sliding door, a locking operation member that operates the locking member from the indoor side, and an operation of the locking operation member. An interlocking member that moves in conjunction, an out-side operation member that engages the interlocking member and locks or unlocks the locking member, and an outdoor unit to operate the out-side operation member There is a sliding door lock provided with a cylinder lock operated by a key (see Patent Document 1).

In this sliding door lock, the locking operation member is supported so as to be slidable in the vertical direction. When the locking operation member is slid downward, the locking member comes out of the inner hook and is engaged with the strike portion of the out unit. In combination, the sliding door is locked, and when the locking operation member is slid upward, the locking member is retracted into the inner casing and the sliding door is unlocked.
Further, the interlocking member moves in the same direction when the locking operation member is slid up and down.

The out-side operation member has a locking operation piece and an unlocking operation piece.The locking operation piece and the unlocking operation piece are formed of a plate material and are arranged adjacent to each other in the opening / closing direction (left-right direction) of the sliding door. In addition, the locking operation piece and the unlocking operation piece are supported by a single rotation support shaft so as to be rotatable about a lateral axis.
Further, the locking operation piece and the unlocking operation piece are individually rotated by operating the cylinder lock by key operation, and the interlocking member is pushed down by rotating the locking operation piece so as to swing downward, The interlocking member is configured to be pushed up by rotating the unlocking operation piece so as to swing upward.

Japanese Patent No. 3907621

  In the sliding door lock of the above-described configuration, with the sliding door closed, the interlocking member, the locking operation piece, and the unlocking operation piece are opposed to each other in the indoor and outdoor directions. The out-side unit is attached, but when either the in-side unit or the out-side unit is attached with a slight shift in the left-right direction from the appropriate position, the locking operation piece or the unlocking operation piece There is a case in which one side is poorly applied to the interlocking member.

Further, if the out-side operation member is constituted by two operation pieces, that is, a locking operation piece and an unlocking operation piece, the structure becomes complicated and the cost is increased.
Then, in view of the said problem, this invention makes it a subject to provide the sliding door lock which aimed at the improvement of the application | hanging of the out side operation member with respect to an interlocking member, the simplification of a structure, and cost reduction.

The technical means taken by the present invention in order to solve the technical problem is a sliding door lock provided at a summing portion of the sliding door,
It has an out-side unit provided in the outdoor summoning bowl and an in-side unit provided in the indoor summoning bowl.
A locking member that detachably engages with a strike portion provided in the out-side unit and locks the sliding door, a locking operation member that operates the locking member from the indoor side, and the locking An interlocking member that moves in conjunction with the operation of the operation member is provided,
An out-side operation member that engages with the interlocking member to lock or unlock the locking member, and a cylinder lock that is key-operated from the outdoor side to operate the out-side operation member. Provided,
The out-side operation member is formed in a flat plate shape with a single plate material, and is used as a locking operation unit that engages with the interlocking member so as to lock the locking member and an interlocking member so as to unlock the locking member. An unlocking operation unit that engages, and the unlocking operation unit and the locking operation unit are rotatably supported to engage with the interlocking member by swinging up and down from the non-operation position. Features.

The out-side unit includes a rotor gear that is rotated by operating the cylinder lock, a rack plate that moves up and down by the rotation of the rotor gear, and a rack plate that is provided on the rack plate and integrated with the rack plate. It has a pair of upper and lower operation pins that move,
The out-side operation member is rotatable around an axis in the opening / closing direction of the sliding door, and a pair of upper and lower engagement grooves are formed in the out-side operation member,
The upper and lower operation pins may be inserted into the engagement grooves on the same side in the vertical direction so that the out-side operation member is rotated by the vertical movement of the rack plate.

Further, the lower operation pin presses the out operation member by the upward movement of the rack plate, and the out operation member rotates by the upper operation pin pressing the out operation member by the downward movement of the rack plate. Configured to operate,
When the locking member is locked or unlocked by the out-side operation member, one side of each engagement groove is opened so that the operation pin on the side not involved in the rotation operation of the out-side operation member comes out of the engagement groove. It is good to be said.

  And a return spring that returns the out-side operation member to a non-operation position from a locked operation position or an unlocked operation position, and the return spring is located laterally with respect to the out-side operation member in the rotational axis direction. It is good to arrange it misaligned

  According to the present invention, the out-side operation member is formed of a single plate-like plate material, so that the out-side operation member is formed with respect to the out-side operation member that is adjacent to the conventional two operation pieces in the opening / closing direction. The width of the member in the opening / closing direction is reduced, so that one of the in-side unit and the out-side unit is attached to the other side with a slight shift from the appropriate position in the opening / closing direction. It is possible to improve the covering of the member, simplify the structure, and reduce the cost.

It is side surface sectional drawing of an out side unit. It is side surface sectional drawing of an in side unit. It is a back surface sectional view of an out side unit. It is side surface sectional drawing of the upper part of the sliding door lock of a locked state. It is side surface sectional drawing of the upper part of the sliding door lock of an unlocked state. It is a side view of a sliding door lock. It is a sliding door lock top view. It is a perspective view of a sliding door lock. It is a disassembled perspective view of an out side unit. It is a perspective view of the principal part of an out side unit. It is a disassembled perspective view of the principal part of an out side unit. It is a partially exploded perspective view of the principal part of an out side unit. It is a partially exploded perspective view of the principal part of an out side unit. It is the rear view and perspective view of a rotor gear and a spacer. It is a disassembled perspective view of an in side unit. It is a disassembled perspective view of the principal part of an in side unit.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
6 to 8, reference numeral 1 denotes a sliding door lock provided on the summing portion 3 of the sliding door 2 to lock the sliding door 2.
In the following description, the opening / closing direction of the sliding door 2 (the moving direction of the sliding doors 2A and 2B) is referred to as the left-right direction C.

This sliding door lock 1 is connected to an out-side unit 1A attached to a summoning tub 4 (referred to as an outer heel) of the sliding door 2A on the outdoor side A, and a summing heel 5 (referred to as an inner heel) on the sliding door 2B on the indoor side B. An in-side unit 1B to be attached and a key 6 for locking / unlocking the sliding door lock 1 from the outdoor side A (a dimple key is adopted in the illustrated example).
Further, the out-side unit 1A and the in-side unit 1B are attached so as to face each other in the indoor / outdoor direction when the sliding door 2 is closed.

As shown in FIG. 1 and FIGS. 3 to 13, the outside unit 1 </ b> A includes an outside seat 7 disposed on the outdoor side A of the outer basket 4, and an outside front disposed on the indoor side B of the outer basket 4. 8 and an outer case 9 that is disposed between the outer seat 7 and the outer front 8 and is housed in a housing portion that is formed in the outer ridge 4 so as to penetrate in the indoor and outdoor directions.
The outside seat 7 is formed in a vertically long rectangular shape, and has a flat plate-like base portion 11 that contacts the surface of the outer side A of the outer ridge 4 so as to close the accommodating portion of the outer ridge 4.

The outer surface (outer side A surface) of the outside seat 7 is formed in a substantially flat shape along the vertical direction so that it does not protrude greatly from the outer surface (the surface of the outdoor side A) of the outer ridge 4 (no large ledge). In the case where a screen door is provided on the outdoor side A of the sliding door 2, the outside seat 7 is considered not to be an obstacle.
Further, on the upper end side and the lower end side of the outside seat 7, there are formed mounting portions 12 that protrude toward the indoor side B and into the housing portion of the outer tub 4, and these upper and lower mounting portions 12 have an indoor and outdoor direction. A screw hole 13 having a central axis is formed.

In addition, a pair of upper and lower cylinder support portions 14 are provided so as to protrude toward the indoor side B on the center side in the vertical direction of the outside seat 7, and a cylinder lock 15 is disposed between the upper and lower cylinder support portions 14. ing.
A retaining plate 16 is screwed to the indoor side B end of the cylinder support portion 14, and the movement of the cylinder body 17 (outer cylinder) of the cylinder lock 15 in the indoor / outdoor direction is restricted by the retaining plate 16 and the outside seat 7. In addition, the upper and lower cylinder support portions 14 restrict the rotation of the cylinder body 17 around the axial center in the indoor / outdoor direction.

In this embodiment, the cylinder lock 15 is constituted by a dimple cylinder lock in which a cylinder plug 18 (inner cylinder) is rotated around an axis in the indoor / outdoor direction by the key 6. The keyway of the cylinder plug 18 is exposed to the outside through a hole 19 formed in the outside seat 7 so that it can be operated from the outside.
The cylinder lock 15 is provided with a rotor 21 that rotates integrally with the cylinder plug 18. The rotor 21 is inserted through an insertion hole 22 formed in the retaining plate 16 and protrudes toward the indoor side B.

Further, the rotor 21 is formed in a cylindrical shape (notched cylindrical shape) in which a fitting groove 23 formed by notching a part of the cylindrical body (cylindrical body) in the axial direction is provided. The plug 18 is provided concentrically with the rotational axis.
The out-side front 8 is formed in a vertically long rectangular shape by a plate material, and is in contact with the surface of the outer side ridge 4 on the indoor side B so as to close the accommodating portion of the outer side ridge 4.

A window hole 24 is formed through the out-side front 8 from the upper side to the center side. An insertion hole 26 (sickle insertion) into which a locking sickle 34 (locking member) provided in the in-side unit 1B is removably inserted in the lower part of the out-side front 8 (below the window hole 24). Through holes).
The window hole 24 is formed in a rectangular shape whose upper side is long in the vertical direction (referred to as a rectangular portion 24a), and its lower side is formed in a circular shape (referred to as a circular portion 24b).

The outer case 9 is formed in a rectangular box shape with the outdoor side A being open, the upper mounting portion 12 of the outside seat 7 is inserted into the upper side from the outdoor side A, and the lower side of the outside seat 7 is The side mounting portion 12 is inserted from the outdoor side A.
Upper and lower portions of the out-side front 8 are fixed by rivets 28 on the upper end side and the lower end side of the indoor side wall portion 27 of the out case 9.

In addition, in the indoor side wall portion 27 of the outcase 9, openings 29 and 30 are formed in the upper and lower sides, and a circular support hole 31 is formed between the upper and lower openings 29 and 30. Yes.
The upper opening 29 is formed to face the rectangular portion 24 a on the upper side of the window hole 24 of the out-side front 8. The left and right widths of the upper opening 29 are formed to be the left and right widths extending between the left and right side walls 32 of the out case 9, and the edge of the portion where the upper opening 29 is formed in the left and right side walls 32 of the out case 9 It is notched toward the outdoor side A so that the engagement piece 33 is formed in the part.

  The lower opening 30 is formed to face the sickle insertion hole 26 of the out side front 8. The lower opening 30 is formed higher than the sickle insertion hole 26, and the upper portion of the lower opening 30 is formed on the wall portion of the out-side front 8 between the window hole 24 and the sickle insertion hole 26. Opposite. A wall portion between the window hole 24 and the sickle insertion hole 26 serves as a strike portion 35 in which the sickle 34 of the in-side unit 1B is detachably engaged.

The support hole 31 is formed to face the circular portion 24 b on the lower side of the window hole 24 of the out-side front 8.
Further, a rectangular guide hole 36 that is long in the up-down direction is formed in the vicinity of the outdoor side A near the upper portion of one side wall 32 of the out case 9.
Further, a U-shaped notch 37 that is open toward the outdoor side A is formed near the outdoor side A in the middle in the vertical direction of the left and right side walls 32 of the outcase 9.

  The outside seat 7 and the outside front 8 pass through the indoor side wall portion 27 of the outside front 8 and the out case 9 from the indoor side B and are screwed into the screw holes 13 of the mounting portion 12 of the outside seat 7. The outside seat 7 and the outside front 8 are sandwiched between the outside seat 7 and the outside front 8 so that the outside seat 7 and the outside front 8 are (the outside unit 1A is ) Removably attached to the outer flange 4.

With this attachment structure, the attachment interval between the outside seat 7 and the outside front 8 can be changed. Therefore, the outside unit 1A has a thickness that is different from that of the outer side wall 4 having a different thickness in the indoor / outdoor direction. It can be attached to the outer ridge 4 correspondingly.
FIG. 1 shows a state in which the outside unit 1A is attached to the outer flange 4 in a state in which the attachment interval between the outside seat 7 and the outside front 8 is minimized.

Further, the out-side unit 1A is provided with an out sickle 39 (out-side operation member) that operates the sickle 34 provided in the in-side unit 1B by being rotated in conjunction with the rotation of the cylinder plug 18 of the cylinder lock 15. Have.
The out sickle 39 is disposed at the upper portion of the central portion between the side walls 32 of the out case 9 and at the position facing the rectangular portion 24 a of the window hole 24 of the out side front 8.

Further, the out sickle 39 is formed of a single flat plate material, and is arranged so that the plate thickness is the same throughout, and the plate thickness direction coincides with the left-right direction C.
In addition, a rotation support shaft 41 having an axis in the left-right direction C is passed through the out sickle 39, and the rotation support shaft 41 is provided across the left and right side walls 32 of the outcase 9. 39 is supported so as to be rotatable about the left-right axis (movable up and down).

As shown in FIG. 1, a state in which the out sickle 39 is retracted from the window hole 24 of the out side front 8 into the outer rod 4 is a non-operation position, and at this position, an upper portion (above the rotation support shaft 41). In addition, a locking operation portion 42 is provided near the indoor side B, and an unlocking operation portion 43 is provided at the lower portion (below the rotation support shaft 41) and close to the indoor side B.
The locking operation unit 42 and the unlocking operation unit 43 are configured to rotate the out sickle 39 from the non-operation position by a predetermined angle around the axis of the rotation support shaft 41 to thereby form a rectangular portion of the window hole 24 of the out-side front 8. It is configured to protrude freely from and out of (in / out of) 24a (see FIGS. 4 and 5).

A rectangular portion 24 a of the window hole 24 of the out-side front 8 serves as an exit / exit of the out sickle 39.
Further, as shown in FIG. 1, a pair of upper and lower engaging grooves 44 are formed on the center side in the vertical direction of the out sickle 39 and near the outdoor side A. The vertical engagement grooves 44 are formed in a vertically distributed manner with a line in the indoor / outdoor direction orthogonal to the axis of the rotation support shaft 41 as a boundary.

Each engagement groove 44 is formed in an open shape toward the outdoor side A, and is inclined so as to go from the midway portion toward the indoor side B toward the rotation support shaft 41.
The portion between the engagement grooves 44 of the out sickle 39 is the central pressed portion 39a, the upper edge portion of the upper engagement groove 44 is the upper pressed portion 39b, and the lower edge portion of the lower engagement groove 44 is the lower pressed portion. 39c.
Further, the upper and lower end edge portions (outer peripheral edge portions) of the out sickle 39 are formed in an arc shape centering on the axis of the rotation support shaft 41.

An out sickle case 46 that holds the out sickle 39 is fitted into the upper part of the out case 9 from the indoor side B through the upper opening 29.
The out sickle case 46 includes flange portions 47 that are in contact with the surface on the indoor side B of the side wall 32 of the out case 9 on both the left and right sides of the indoor side B. Each flange portion 47 includes both left and right sides of the upper opening 29. A notch 48 is formed in which the engagement piece 33 provided in the is fitted.

In addition, a vertically long positioning hole 49 is formed in the center of the left and right direction C of the out sickle case 46 so as to penetrate indoors and outdoors, and the out sickle 39 is inserted through the positioning hole 49. Positioning in direction C is performed.
Note that the upper and lower portions of the out sickle 39 extend toward the outdoor side A from the central pressed portion 39a (the portion between the engaging grooves 44), whereby the engagement between the out sickle 39 and the positioning hole 49 is achieved. The rotation of the out sickle 39 is stabilized by increasing the number of portions.

A concave portion 50 that is recessed from the outdoor side A toward the indoor side B is formed in the lateral direction C on the center side in the vertical direction of the out sickle case 46, and the rotating support shaft 41 is accommodated in the concave portion 50.
The indoor side B of the recess 50 is cut out so as to communicate with the positioning hole 49.
The out-side unit 1 </ b> A has an interlocking mechanism 51 that transmits the rotation of the cylinder plug 18 of the cylinder lock 15 to the out sickle 39.

The interlock mechanism 51 includes a rotor gear 52 (pinion) that rotates integrally with the cylinder plug 18, a rack plate 53 that moves up and down by the rotation of the rotor gear 52, and an engagement groove of the out sickle 39 that is provided on the rack plate 53. And a pair of upper and lower operation pins 54 that are engaged with 44.
As shown in FIG. 14, the rotor gear 52 includes a cylindrical gear main body 56 having an axial center in the indoor / outdoor direction, and engagement teeth 57 are provided on the outer peripheral surface of the gear main body 56 at intervals in the circumferential direction. The engaging teeth 57 are provided over a substantially half circumference from the upper part to the lower part.

The rotor gear 52 is disposed at a position facing the support hole 31 in the out case 9 (upward and downward center side of the out case 9), below the out sickle 39 and the out sickle case 46 (directly below), and the strike portion. 35 (between the out sickle 39 and the out sickle case 46 and the strike portion 35).
With this configuration, the sickle 34 provided on the in-side unit 1B engages with the strike portion 35 on the lower side of the rotor gear 52, so that the rotor gear 52 is placed in the housing portion of the outer rod 4 (out-case). 9) (close to the indoor side B).

Then, by arranging the rotor gear 52 as close as possible to the indoor side B in the accommodating portion of the outer flange 4, the cylinder lock 15 can be substantially accommodated in the accommodating portion (outside case 9) of the outer flange 4. It is possible to eliminate a large protrusion on the outer surface of the seat 7.
The lower surface of the out sickle case 46 is formed in an arc shape along the outer periphery of the rotor gear 52, and the out sickle case 46 and the rotor gear 52 are arranged close to each other in the vertical direction.

The rotor gear 52 is prevented from being removed from the support hole 31 by inserting the end of the gear body 56 on the indoor side B into the support hole 31 of the outcase 9 and fitting the retaining ring 58 into the end. At the same time, it is supported by the outcase 9 so as to be rotatable about the axial center in the indoor / outdoor direction.
Further, the indoor side B end surface of the gear body 56 of the rotor gear 52 is exposed toward the indoor side B through the circular portion 24 b of the window hole 24 of the out-side front 8.

The gear body 56 includes an outer cylinder portion 59 having an axial center in the indoor / outdoor direction, an inner cylinder portion 60 positioned concentrically at the center of the outer cylinder portion 59, and the outer cylinder portion 59 and the inner cylinder portion 60. And a connecting wall 61 that connects the two.
The connecting wall 61 is formed in a part of the circumferential direction between the outer cylinder part 59 and the inner cylinder part 60 in the axial direction, and can be inserted into the fitting groove 23 of the rotor 21 provided in the cylinder lock 15. Has been.

The rotor 21 provided in the cylinder lock 15 is inserted between the outer cylinder portion 59 and the inner cylinder portion 60 of the gear main body 56 and the connecting wall 61 is inserted into the fitting groove 23 of the rotor 21, thereby the rotor 21. And the rotor gear 52 are rotatable together, and the rotor gear 52 is rotated by operating the cylinder lock 15 with the key 6.
In addition, the rotor 21 and the rotor gear 52 are relatively movable (proximity and separation) in the indoor and outdoor directions while maintaining the integral rotation state according to the above configuration, and the outside seats correspond to the thickness of the outer flange 4. 7 and the out-side front 8 are configured to be able to cope with a change in the interval.

In addition, a spacer 62 can be attached to the outdoor side A of the rotor gear 52. By adding the spacer 62 to the rotor gear 52, the gear body 56 of the rotor gear 52 is extended in the indoor / outdoor direction, so that a thick outer shell is formed. 4 can be accommodated.
The mounting structure of the spacer 62 will be described in detail. The gear main body 56 of the rotor gear 52 is opened toward the outdoor side A in a portion where the engaging teeth 57 of the outer cylinder portion 59 are not formed. In addition, a bulging portion 64 for forming the fitting recess 63 is provided, and a female screw is provided in the inner hole 65 of the inner cylinder portion 60 from the end of the outdoor side A to the vicinity of the end of the indoor side B. Is formed.

The spacer 62 is formed in the same manner as the gear main body 56 of the rotor gear 52 (the outer cylindrical portion 66 and the inner cylindrical portion 67 having the same diameter as the outer cylindrical portion 59 and the inner cylindrical portion 60 of the gear main body 56 are connected to each other). A spacer main body 69, and a fitting convex portion 70 that is fitted from the outdoor side A to the fitting concave portion 63 provided in the bulging portion 64 to stop the spacer 62 from rotating. .
Then, the fitting convex portion 70 of the spacer 62 is fitted into the fitting concave portion 63 of the rotor gear 52, the mounting screw 71 is inserted into the inner hole of the inner cylindrical portion 60 of the spacer 62, and the mounting screw 71 is inserted into the rotor gear 52. The spacer 62 is configured to be attached to the rotor gear 52 by being screwed into the inner hole 65 of the cylindrical portion 67.

The rack plate 53 is disposed on the side of the rotor gear 52 on the side where the engagement teeth 57 are formed, and a meshing hole 72 that meshes with the engagement teeth 57 of the rotor gear 52 is formed at an interval in the vertical direction. Has been.
Therefore, by rotating the rotor gear 52 forward and backward, the engagement teeth 57 are engaged with the engagement holes 72 and the rack plate 53 is moved up and down.

Further, an insertion hole 73 through which the rotation support shaft 41 is inserted is formed above the portion where the engagement hole 72 is formed, and the insertion hole 73 is long in the vertical direction so as to allow the rack plate 53 to move up and down. It is formed in a hole shape.
A portion where the insertion hole 73 of the rack plate 53 is formed is disposed between the out sickle case 46 and the side wall 32 of the out case 9, and is guided by these so as to be movable up and down.

  A pair of upper and lower mounting holes 74 are formed near the outdoor side A from the insertion hole 73 at the top of the rack plate 53, and one end side of the operation pin 54 is inserted into each mounting hole 74 and fixed thereto. The other end side of the operation pin 54 is inserted in the left-right direction C into the engagement groove 44 on the same side in the vertical direction (the upper operation pin 54 is inserted into the upper engagement groove 44 and the lower operation is performed. A pin 54 is inserted into the lower engaging groove 44).

Accordingly, when the rack plate 53 is moved up and down, the operation pin 54 presses the out sickle 39 so that the out sickle 39 rotates around the rotation support shaft 41.
A mounting piece 75 is provided on the outdoor side A above the rack plate 53. The attachment piece 75 is located closer to the outdoor side A than the out sickle case 46. Further, the upper portion of the rack plate 53 is bent in a stepped manner so that the mounting piece 75 is displaced closer to the side of the out sickle 39 than the formation portion of the insertion hole 73 in the upper portion of the rack plate 53.

Further, the mounting piece 75 is disposed so as to face the guide hole 36 formed in the side wall 32 of the out-case 9, and the mounting piece 75 is formed with a rectangular mounting hole 76 that is long in the vertical direction. Yes.
A pair of upper and lower spring receivers 77 are incorporated in the mounting piece 75, and a return spring 78 made of a coil spring is interposed between the upper and lower spring receivers 77 in a compressed manner.

As shown in FIG. 3, an open groove 79 is formed in the upper spring receiver 77, and a portion above the attachment hole 76 of the attachment piece 75 is inserted into the groove 79. The upward movement of the spring receiver 77 is restricted.
Further, an open groove 80 is formed in the lower spring receiver 77, and a lower portion of the attachment hole 74 of the attachment piece 75 is inserted into the groove 80. 77 downward movement is restricted.

  The upper and lower spring receivers 77 are provided with guided portions 81 inserted into the guide holes 36 of the side wall 32 of the outcase 9, and the guided portions 81 of the upper spring receiver 77 are in contact with the upper ends of the guide holes 36. As a result, the upward movement of the upper spring receiver 77 relative to the out case 9 is restricted, and the guided portion 81 of the lower spring receiver 77 contacts the lower end of the guide hole 36, whereby the lower spring relative to the out case 9. The downward movement of the receiver 77 is restricted.

With the guided portion 81 of the upper spring receiver 77 in contact with the upper end of the guide hole 36 and the guided portion 81 of the lower spring receiver 77 in contact with the lower end of the guide hole 36, the out sickle 39 is in the non-operation position. Is located.
Note that the return spring 78 and the spring receiver 77 are biased (displaced) from the back position of the out sickle 39 to the side so as not to interfere with the out sickle 39 (the return spring 78 and the spring receiver 77 are located on the out sickle 39. In contrast, it is offset at the side of the axis of rotation).

  When the out sickle 39 is in the non-operating position and the rack 6 is moved upward by rotating the key 6 clockwise to operate the out sickle 39, the guided portion of the upper spring receiver 77 is moved. Since 81 is in contact with the upper end of the guide hole 36 and the upward movement of the upper spring receiver 77 is restricted, the attachment piece 75 pushes up the lower spring receiver 77 while compressing the return spring 78.

  In addition, when the out sickle 39 is located at the non-operation position, if the key 6 is rotated counterclockwise to move the rack plate 53 downward to operate the out sickle 39, the lower spring receiver 77 is moved. Since the guided portion 81 is in contact with the lower end of the guide hole 36 and the downward movement of the lower spring receiver 77 is restricted, the mounting piece 75 pushes down the upper spring receiver 77 while compressing the return spring 78. .

Therefore, when the operation force of the key 6 is released from the state in which the out sickle 39 is operated, the rack plate 53 is returned to the original position before the operation by the biasing force of the return spring 78, and the out sickle 39 is brought into the non-operation position. It is configured to return.
The out-side unit 1A includes an inner case 82 inserted into the out case 9 from the outdoor side A.

The upper wall 83 and the lower wall 84 of the inner case 82 are recessed so as to allow insertion into the out case 9.
Between the upper wall 83 and the upper intermediate wall 86 of the inner case 82, a mounting piece 75 of the rack plate 53, a vertical spring support 77, and the like are disposed, and the upper wall 83 allows the mounting piece 75 to move upward. A notch 88 is formed, and the upper intermediate wall 86 is formed with a notch 88 that allows the attachment piece 75 to move downward.

Further, the upper part of the side wall 89 of the inner case 82 on the side where the rack plate 53 is arranged is greatly cut away so as not to interfere with the upper and lower spring receivers 77.
An opening 91 for inserting the upper and lower cylinder support portions 14 and the cylinder lock 15 of the outside seat 7 is formed in the middle portion in the vertical direction of the back wall 90 of the inner case 82, and the upper middle wall 86 and the lower middle wall The upper and lower cylinder support portions 14 and the cylinder lock 15 are inserted between the upper and lower cylinder support portions 87.

A fitting portion 92 that is fitted from the outdoor side A to the notch portion 37 of the outer case 9 is provided in the middle in the vertical direction of each of the left and right side walls 89 of the inner case 82, and is connected below the fitting portion 92. The pin 93 is inserted through the left and right side walls 32 of the out case 9 and the left and right side walls 89 of the inner case 82.
Further, a concave portion 94 that accommodates the lower side of the rack plate 53 is formed on the outer surface of the side wall 89 of the inner case 82 on the rack plate 53 arrangement side.

  As shown in FIGS. 2, 6 to 8, 15, and 16, the in-side unit 1 </ b> B is disposed on the inside seat 94 disposed on the indoor side B of the inner side cage 5 and on the outdoor side A of the inner side cage 5. An in-side front 95, an in-case 96 that is disposed between the inside seat 94 and the in-side front 95, and is housed in a housing portion that is formed through the inner flange 5 in the indoor / outdoor direction, and the out-side unit 1A. A sickle 34 that is detachably engaged with the strike portion 35 and locks the sliding door 2, a locking operation member 97 for operating the sickle 34 from the indoor side B, and an operation of the locking operation member 97 The slider 98 that moves up and down by the movement of the sickle 34, the interlocking member 99 that moves in conjunction with the operation of the locking operation member 97, and the interlocking member 99 at the time of locking the outer collar 4 and the inner collar 5 Operated from the gap between With a protector 100 to prevent the protector guide 101 for guiding the protector 100 freely inside and outside movement.

The inside seat 94 has a vertically long rectangular base portion 102 that comes into contact with the surface of the inner side 5 of the inner side 5 so as to close the accommodating portion of the inner side 5.
A rectangular operation opening 103 that is long in the vertical direction is formed on the center side in the vertical direction of the inside seat 94.
On the outdoor side A of the inside seat 94, there is disposed a regulating plate 104 which is positioned and fixed so as not to move vertically and horizontally with respect to the inside seat 94. The regulating plate 104 has a rectangular opening 106 which is long in the up and down direction. Is formed.

The locking operation member 97 is a rectangular base portion 107 supported between the inside seat 94 and the restriction plate 104 so as to be movable up and down, and an operation provided on the center side in the vertical direction of the indoor side B of the base portion 107. A knob 108 and a lever portion 109 provided on the center side in the vertical direction of the outdoor side A of the base portion 107 are provided.
The operation knob 108 is inserted through the operation opening 103 and can be moved up and down in the operation opening 103. By taking the operation knob 108, the locking operation member 97 is moved up and down from the indoor side B. It can be moved.

An auxiliary operation knob 110 can be attached to the operation knob 108.
A small hole 111 for alignment is formed in the lower portion of the locking operation member 97 below the base portion 107 (below the operation knob 108).
The lever portion 109 protrudes from the base portion 107 to the outdoor side A, passes through the opening 106 of the regulating plate 104, and is allowed to move up and down by the opening 106.

The in-side front 95 is formed in a vertically long rectangular shape by a plate material, and is in contact with the surface of the inner side 5 of the inner side 5 so as to close the accommodating portion of the inner side 5.
A vertical rectangular fitting hole 112 is formed through the upper portion of the in-side front 95, and a vertical rectangular sickle exit / recess opening 113 is formed through the lower portion.
A small hole 114 for alignment is formed through the center of the in-side front 95 in the vertical direction.

The in-case 96 is formed in a rectangular box shape in which the indoor side B is open, and the sickle 34, the slider 98, the interlocking member 99, the protector 100, and the protector guide 101 are incorporated in the in-case 96.
A screw cylinder 115 having an axial center in the indoor / outdoor direction is arranged on the upper end side and the lower end side in the in-case 96, and one end side of each screw cylinder 115 penetrates the upper and lower portions of the outdoor side wall 116 of the in-case 96. The in-side front 95 is fixed by caulking to the upper and lower portions of the in-side front 95.

Opening holes 117 and 118 are formed vertically on the outdoor side wall 116 of the in-case 96, and a small hole 119 for alignment is formed on the center side in the vertical direction.
The upper opening 117 of the in-case 96 is formed to face the fitting hole 112 of the in-side front 95 and has a left-right width extending between the left and right side walls 121 of the in-case 96.
The lower opening 118 of the in-case 96 is formed in a vertically long rectangular shape, and is formed to face the sickle outlet 113 of the in-side front 95.

The small hole 119 of the in-case 96 is in communication with the small hole 114 of the in-side front 95.
A guide hole 122 that is long in the vertical direction is formed in a midway portion in the indoor / outdoor direction below the left and right side walls 121 of the in-case 96.
The screw cylinder 115 is formed to have a length substantially corresponding to the length of the in-case 96 in the indoor / outdoor direction, and the upper and lower portions of the inside seat 94 and the regulation plate 104 are formed in the screw holes 115 a inside the upper and lower screw cylinders 115. The inside seat 94 and the inside front 95 are connected to each other by screwing the mounting screw 123 penetrating from the indoor side B, and the inside flange 5 is sandwiched between the inside seat 94 and the inside front 95. The inside seat 94 and the inside front 95 (the inside unit 1B) are detachably attached to the inner flange 5.

With this mounting structure, the mounting interval between the inside seat 94 and the inside front 95 can be changed. Therefore, the inside unit 1B has a thickness that is different from that of the inner side wall 5 having different indoor and outdoor thicknesses. Correspondingly, it can be attached to the inner flange 5.
FIG. 2 shows a case where the attachment interval between the inside seat 94 and the inside front 95 is attached in a state where the attachment interval can be enlarged or reduced.

Further, the change range of the attachment interval between the inside seat 94 and the inside front 95 is the same as the change range of the attachment interval between the outside seat 7 and the outside front 8.
Further, in the in-side unit 1B, the fitting hole 112 is opposed to the rectangular portion 24a at the upper part of the window hole 24 of the out-side front 8, and the sickle exit / retract opening 113 is opposed to the sickle insertion hole 26 of the out-side front 8. Thus, it is attached to the in-side unit 1B so as to be opposed.

The sickle 34 is disposed at the lower part between the left and right side walls 121 of the in-case 96 and has a pivot 124 having an axis in the left-right direction C provided over the left and right side walls 121 near the outdoor side A of the guide hole 122 of the in-case 96. Is penetrated and is rotatable around the pivot 124.
When the sickle 34 is rotated counterclockwise around the pivot 124 in the side view shown in FIG. 2, the saddle portion 125 of the sickle 34 has a lower opening 118 in the in-case 96 as shown in FIG. 2. It protrudes from the sickle exit / recess opening 113 and passes through the sickle insertion hole 26 of the out-side unit 1A and engages with the strike part 35.

When the sickle 34 engages with the strike portion 35, the sliding door 2 is locked, and the sliding door 2 cannot be opened and closed.
In addition, when the sickle 34 is rotated clockwise around the pivot 124 from the locked state shown in FIG. 2 in the side view shown in FIG. It is configured to evacuate.

By retracting the sickle 34 into the in-case 96, the sliding door 2 is unlocked, and the sliding door 2 can be opened and closed.
A slide pin 126 provided across the left and right guide holes 122 is supported in the guide hole 122 of the in-case 96 so as to be movable up and down along the guide holes 122. An engagement hole 127 through which the slide pin 126 is inserted is formed on the opposite side of the sickle 34 from the hook-shaped portion 125.

In addition, the sickle 34 has a torsion coil spring that holds the sickle 34 in a locked position where the hook-shaped part 125 protrudes from the sickle-exit opening 113 and an unlocked position where the hook-shaped part 125 retracts from the sickle exit / exit 113. A sickle spring 128 is assembled.
The slider 98 is formed in a U-shape from left and right side walls 129 and a back wall 130 connecting the indoor side B ends of the left and right side walls 129. The slider 98 is inserted into the in-case 96 so as to be movable up and down from the indoor side B.

An insertion portion 131 is formed in the middle of the rear wall 130 of the slider 98 in the vertical direction. The lever portion 109 of the locking operation member 97 is inserted into the insertion portion 131, and the locking operation member 97 is moved up and down. Then, when the lever portion 109 pushes the slider 98 up or down, the slider 98 moves up and down.
Further, the lever portion 109 is inserted into the insertion portion 131 so as to be movable in the indoor / outward direction, and is provided between the inside seat 94 and the inside front 95 within a range in which the insertion state of the lever portion 109 with respect to the insertion portion 131 is maintained. The mounting interval can be changed.

Further, near the outdoor side A below the left and right side walls 129 of the slider 98, a shaft escape groove 132 which is recessed from the outdoor side A toward the indoor side B and which is long in the vertical direction is formed.
The pivot 124 for pivotally supporting the sickle 34 is inserted into the shaft escape groove 132.
Further, an engaging groove 133 formed from the outdoor side A to the indoor side B is formed in the middle part of the shaft escape groove 132 in the vertical direction, and the slide pin 126 is fitted into the engaging groove 133. is doing.

Also, a rectangular through hole 134 that is vertically long is formed in the lower part of the back wall 130 of the slider 98, and the upper side of the through hole 134 and the small hole 111 formed in the locking operation member 97 are opposed to each other. It is said that.
A concave groove 135 for preventing interference with the screw cylinder 115 is formed on the upper and lower portions of the back wall 130 of the slider 98.

  In the state where the sickle 34 is located at the unlocking position, the locking operation member 97 and the slider 98 are located on the upper side of the vertical movement range, and the slide pin 126 is located on the upper end side of the guide hole 122. . When the slider 98 is moved downward in this state, the slide pin 126 is pulled down via the engagement groove 133, so that the sickle 34 is rotated by the slide pin 126 so that the hook-shaped portion 125 protrudes from the sickle exit / retract opening 113. The sickle 34 is moved to the locked position shown in FIG.

Further, when the slider 98 is moved upward with the sickle 34 positioned at the locking position, the slide pin 126 is pulled up through the engaging groove 133, so that the hook-shaped portion 125 is retracted from the sickle exit / retract opening 113. Thus, the sickle 34 is rotated by the slide pin 126, and the sickle 34 is located in the unlocked position.
Further, when the slider 98 moves up and down, the pivot 124 moves relative to the shaft escape groove 132 in the vertical direction so that the slider 98 is allowed to move up and down.

Since the shaft escape groove 132 and the engagement groove 133 are open toward the outdoor side A, the slider 98 is assembled from the indoor side B into the in case 96 with the sickle 34 assembled to the in case 96. Can do.
The interlocking member 99 is disposed at an upper portion between the side walls 129 of the slider 98 and is fixed to the back wall 130 of the slider 98. When the interlocking member 99 moves up and down integrally with the slider 98, the locking operation member 97 is moved up and down. Moves up and down in conjunction with.

This interlocking member 99 is formed by bending a band plate material, and extends upward from the upper and lower engagement walls 136 and the indoor side B end portion of the upper engagement wall 136, and the lower engagement wall. 136, and upper and lower mounting pieces 137 extending downward from the indoor side B end portion.
The attachment piece 137 is fixed to the back wall 130 of the slider 98 by rivets.
The upper and lower engaging walls 136 are formed so that the facing interval is narrowed toward the outdoor side A, and are connected to each other at the end of the outdoor side A.

The protector guide 101 is disposed at the upper part in the in-case 96.
A housing space for housing the protector 100 is formed inside the protector guide 101, and this housing space is open toward the indoor side B so that the protector 100 can be inserted from the indoor side B.
The left and right side walls 138 of the protector guide 101 are positioned between the left and right side walls 129 of the slider 98, and the left and right side walls 138 of the protector guide 101 are formed with long guide grooves 129 in the vertical direction. A pair of upper and lower engaging pins 141 provided over the left and right side walls 129 of 98 are inserted so as to be movable up and down.

  Further, a protector guide exit 142 is provided on the outdoor side A of the protector guide 101 so as to project the protector 100 so that the protector 100 can be retracted and retracted. The protector guide exit 142 is formed in a vertically long rectangular shape. Is formed with a rectangular peripheral wall 143 that fits in the fitting hole of the in-side front 95. Further, the periphery of the rectangular peripheral wall 143 of the protector guide 101 is in contact with the surface on the indoor side B of the in-side front 95.

The protector 100 is supported in a protector guide 101 so as to be movable indoors and outdoors. The interlocking member 99 is inserted into the protector 100, and the end of the interlocking member 99 on the outdoor side A extends to the protector exit / exit port 142.
The protector 100 has left and right side walls 144 and an upper wall 145, and is open toward the indoor side B. Further, a lower wall 146 is provided on the outdoor side A of the protector 100, and the indoor side B of the protector 100 has a cylindrical shape, and the cylindrical portion protrudes from the protector exit / exit port 142 when locked. Thus, the interlocking member 99 is prevented from being operated from the gap between the outer rod 4 and the inner rod 5.

Further, the indoor side B between the left and right side walls 144 of the protector 100 is open downward.
Further, the indoor side B of the left and right side walls 144 of the protector 100 is extended downward from the lower wall 146.
A pair of upper and lower cam grooves 147 is provided on each of the left and right side walls 144 of the protector 100, the upper engagement groove 141 is inserted through the upper cam groove 147, and the lower cam groove 147 is passed through the lower cam groove 147. The engagement pin 141 is inserted.

  Each cam groove 147 has an upper portion biased toward the outdoor side A with respect to the lower portion, and when the slider 98 is pulled down and the sickle 34 is located at the locking position, the cylindrical portion of the protector 100 is moved out of the protector. The cylindrical portion of the protector 100 is configured to retract from the protector exit / exit port 142 when the slider 98 is pushed up and the sickle 34 is positioned at the unlocked position.

A display seal 149 for displaying the locked state is attached to the upper part B on the indoor side B of the locking operation member 97.
The display seal 149 is hidden on the inner surface side of the inside seat 94 when the locking operation member 97 is pushed up, and is exposed through the operation opening 103 when the locking operation member 97 is pushed down.
When the sliding door lock 1 having the above-described configuration is locked from the outdoor side A, the cylinder plug 18 of the cylinder lock 15 is rotated by the key 6 while the out sickle 39 is positioned at the non-operation position shown in FIG. When the rack plate 53 is moved upward, the lower operation pin 54 pushes up the central pressed portion 39a (the lower operation pin 54 presses the upper surface side of the lower engagement groove 44), and the locking operation is performed. The out sickle 39 rotates in the locking direction so that the portion 42 swings downward and exits from the window hole 24 of the out side front 8.

At this time, the locking operation part 42 of the out sickle 39 pushes down the interlocking member 99, whereby the sickle 34 rotates from the unlocked position to the locked position.
In the present embodiment, as shown in FIG. 4, the interlocking member 99 is configured to be pushed down to the lower end position of the vertical movement range by rotating the out sickle 39 by 90 ° in the locking direction from the non-operation position. Further, when the out sickle 39 is rotated in the 90 ° locking direction from the non-operation position, the out sickle 39 is in a state in which the opening side of the engagement groove 44 faces upward as shown in FIG. Is detached from the upper engagement groove 44 during the rotation of the locking operation (locking direction) of the out sickle 39.

  When the operation force of the key 6 is released and the rack plate 53 moves downward by the biasing force of the return spring 78 at the position where the out sickle 39 shown in FIG. 4 is locked, the lower operation pin 54 is moved to the lower pressed portion. 39c is pushed down (the lower operation pin 54 presses the lower surface side of the lower engagement groove 44), and the locking operation portion 42 swings upward to enter the out case 9 from the window hole 24 of the out side front 8. The out sickle 39 rotates around the rotation support shaft 41 so as to retract.

The upper operation pin 54 is inserted into the upper engagement groove 44 during the rotation of the returning operation of the out sickle 39.
When the sliding door lock 1 is unlocked from the outdoor side A, when the rack plate 53 is moved downward by the key operation of the cylinder lock 15, the upper operation pin 54 pushes down the central pressed portion 39a (upper side). The operation pin 54 presses the lower surface side of the upper engaging groove 44), and the unlocking operation part 43 swings upward and exits from the window hole 24 of the out-side front 8 so that the out sickle 39 is in the unlocking direction. Rotate.

When the out sickle 39 is rotated 90 degrees in the unlocking direction, the out sickle 39 is in a state in which the opening side of the engagement groove 44 faces downward as shown in FIG. Is released from the lower engaging groove 44 during the rotation of the unlocking operation (locking direction).
When the operation force of the key 6 is released and the rack plate 53 is moved upward by the urging force of the return spring 78 at the position where the out sickle 39 shown in FIG. 5 is unlocked, the upper operation pin 54 is moved upward. The pressing portion 39c is pushed up (the upper operation pin 54 presses the upper surface side of the upper engagement groove 44), and the unlocking operation portion 43 swings downward from the window hole 24 of the out side front 8 into the out case 9. The out sickle 39 rotates around the rotation support shaft 41 so as to retract.

The lower operation pin 54 is inserted into the lower engagement groove 44 during the rotation of the returning operation of the out sickle 39.
In the sliding door lock 1, since the out sickle 39 is formed of a single plate-like plate material, one of the out-side unit 1 </ b> A or the in-side unit 1 </ b> B is left and right from an appropriate position with respect to the other. The attachment of the out sickle 39 to the interlocking member 99 when it is attached with a slight misalignment in the direction C can be improved.

  That is, if the two operation pieces are out sickles that are adjacent to each other in the left-right direction C, the left and right widths of the out sickles are increased, and one of the in-side unit and the out-side unit is When the operation piece is attached with a slight misalignment in the direction C, one of the operation pieces may be less likely to be applied to the interlocking member. On the other hand, in the present embodiment, the two operation pieces are provided. The right and left width of the out sickle 39 is thinner than that of the out sickle, so that one of the out side unit 1A or the in side unit 1B is attached with a slight misalignment in the left and right direction C from the appropriate position with respect to the other. In this case, the application of the out sickle 39 to the interlocking member 99 is improved.

Further, by forming the out sickle 39 with a single plate material, the structure can be simplified and the cost can be reduced.
Further, in the conventional sliding door lock, the out sickle is composed of two operation pieces adjacent in the left-right direction C, and a pin is provided on each operation piece so as to protrude outward in the left-right direction C. By providing a pair of side plates at the top of the plate, providing grooves on each side plate to engage the pins, moving the rack plate upward, rotating one operation piece by one side plate, and moving the rack plate downward The other operation piece is rotated by the other side plate, and the engagement structure between the rack plate and the out sickle is complicated.

On the other hand, in this embodiment, a pair of upper and lower operation pins 54 are provided on the rack plate 53, and a pair of upper and lower engagement grooves 44 with which the operation pins 54 are engaged are formed on the out sickle 39. 53 and the engagement structure of the out sickle 39 are simplified.
Further, in this embodiment, one side of the upper and lower engaging grooves 44 is open, and the lower operation pin 54 presses the out sickle 39 by the upward movement of the rack plate 53 to rotate the out sickle 39. When operating, the upper operation pin 54 (the operation pin 54 on the side that does not participate in the rotation operation of the out sickle 39) comes out of the engagement groove 44, and the upper operation pin 54 moves out of the sickle 39 by the downward movement of the rack plate 53. The lower operation pin 54 (the operation pin 54 on the side not involved in the rotation operation of the out sickle 39) is configured to come out of the engagement groove 44 when the out sickle 39 is rotated by pressing. The out sickle 39 can be sufficiently rotated.

Moreover, in the sliding door lock 1 of this embodiment, when attaching the sliding door lock 1 to the summoning part 3 of the sliding door 2, the out side unit 1A is first attached to the outer side cage 4, and then, The in-side unit 1B is attached to the inner flange 5.
When the in-side unit 1B is attached to the inner flange 5, first, the in-side unit 1B is fastened to the screw cylinder 115 to such an extent that the in-side unit 1B can move up, down, left and right. Is temporarily attached to the inner flange 5 and the locking operation member 97 is raised to the upper end position of the vertical movement range.

  In the state where the locking operation member 97 is raised to the upper end position, the small hole 111 formed in the locking operation member 97 is formed in the small hole 114 formed in the in-side front 95 and the in-case 96 as shown in FIG. It is substantially concentric with the formed small hole 119, and the adjustment rod 148 can be inserted through the three small holes 111, 114, 119 (the adjustment rod 148 can be passed through the in-side unit 1B in the indoor and outdoor directions). ).

On the other hand, the inner side B end portion of the inner hole 65 of the inner cylinder portion 67 of the gear body 56 of the rotor gear 52 is not formed with a female screw, and this portion has an insertion portion 65a into which the distal end side of the adjusting rod 148 can be inserted. Has been.
Then, the adjustment rod 148 is inserted from the indoor side B through the three small holes 111, 114, and 119, and the adjustment rod 148 is inserted into the insertion portion 65 a of the inner cylindrical portion 67 of the rotor gear 52 (inner side of the inner hole 65. (B end). As a result, the in-side unit 1B is positioned at an appropriate position with respect to the out-side unit 1A, and in this state, the in-side unit 1B cannot move vertically and horizontally with respect to the inner flange 5 with respect to the screw cylinder 115. Tighten the mounting screw.

  Note that after the in-side unit 1B is fixed to the inner flange 5, the adjusting rod 148 is pulled out.

1A Out-side unit 1B In-side unit 2 Sliding door 3 Summing part 4 Outdoor summoning bowl 5 Indoor summing bowl 15 Cylinder lock 35 Strike part 34 Locking member (sickle)
39 Out side operation member (out sickle)
42 Locking operation section 43 Unlocking operation section 44 Engaging groove 52 Rotor gear 53 Rack plate 54 Operation pin 78 Return spring 97 Locking operation member 99 Interlocking member A Outdoor side B Indoor side

Claims (4)

A sliding door lock provided at the summoning part (3) of the sliding door (2),
An out-side unit (1A) provided in the summit basket (4) on the outdoor side (A), and an in-side unit (1B) provided in the summit bowl (5) on the indoor side (B),
A locking member (34) for releasably engaging the strike portion (35) provided in the out-side unit (1A) and locking the sliding door (2) on the in-side unit (1B); A locking operation member (97) for operating the locking member (34) from the indoor side (B), and an interlocking member (99) that moves in conjunction with the operation of the locking operation member (97);
An out-side operation member (39) that engages with the interlocking member (99) to lock or unlock the locking member (34), and the out-side operation member (39). A cylinder lock (15) key-operated from the outdoor side (A) to operate the
The out-side operation member (39) is formed in a flat plate shape with a single plate material, and a locking operation portion (42) engaged with the interlocking member (99) so as to lock the locking member (34). An unlocking operation part (43) engaged with the interlocking member (99) so as to unlock the locking member (34), and the unlocking operation part (43) and the locking operation part (42) A sliding door lock that is rotatably supported to engage with the interlocking member (99) by swinging up and down from a non-operation position. The out-side unit (1A) includes a rotor gear (52) that is rotated by operating the cylinder lock (15), a rack plate (53) that moves up and down by the rotation of the rotor gear (52), A pair of upper and lower operation pins (54) provided on the rack plate (53) and moving integrally with the rack plate (53);
The out side operation member (39) is rotatable about the axis of the sliding door (2) in the opening / closing direction, and a pair of upper and lower engaging grooves (44) are formed in the out side operation member (39). ,
The upper and lower operation pins (54) are inserted into the engagement grooves (44) on the same side in the vertical direction so that the out-side operation member (39) is rotated by the vertical movement of the rack plate (53). The sliding door lock according to claim 1, wherein the sliding door lock is provided. The lower operation pin (54) presses the out-side operation member (39) by the upward movement of the rack plate (53), and the upper operation pin (54) is operated by the out-side operation by downward movement of the rack plate (53). By pressing the member (39), the out-side operation member (39) is configured to be rotated,
When the locking member (34) is locked or unlocked by the out side operation member (39), the operation pin (54) on the side not involved in the rotation operation of the out side operation member (39) is engaged with the engagement groove ( 44. The sliding door lock according to claim 2, wherein one side of each engaging groove (44) is opened so as to come out of the engaging groove (44).   A return spring (78) for returning the out-side operation member (39) from the locked position or the unlocked position to the non-operated position is provided, and the return spring (78) is attached to the out-side operation member (39). The sliding door lock according to any one of claims 1 to 3, wherein the sliding door lock is disposed so as to be shifted to a side in a rotational axis direction.

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