JP5981774B2 - Auxiliary lock - Google Patents

Description

  The present invention relates to an auxiliary lock that is attached to a sliding joint such as a sliding window or a sliding door, and restricts movement in the opening direction of the outdoor door and the indoor / outdoor door by being fixed to the sliding joint. It is about.

Auxiliary which restricts the movement of the outdoor door and the indoor door in the opening direction by being fixedly attached to the sliding door, in which the indoor door and the outdoor door can be opened and closed in a sliding manner. There is an auxiliary lock disclosed in Patent Document 1 as a lock.
This auxiliary lock has a fixed part provided on one end side in the front-rear direction of the flat case and a movable part provided on the case so as to be movable back and forth.

The fixing portion is integrally formed with the case and extends downward from the case.
The movable part is disposed on the lower side of the case and is opposed to the fixed part in the front-rear direction. This movable part extends from the rack plate provided in the case so as to be movable back and forth, to the lower surface side of the case. Rack teeth are formed in the front-rear direction on the top surface of the rack plate, and an operation member is attached to the upper surface side of the case so as to be rotatable about the vertical axis. It is fixed.

When the operation member is rotated in one direction, the cam engages with the rack teeth, the movable part moves forward together with the rack plate and moves closer to the fixed part, and when the operation member is rotated in the other direction, the cam Engages with the rack teeth, and the movable part moves backward together with the rack plate to move away from the fixed part.
In order to fix the auxiliary lock to the joinery frame and restrict the movement in the opening direction of the outdoor door and the indoor / outdoor door, first, the front side of the auxiliary lock is the outdoor side and the rear side is the indoor side. With the doors closed, the auxiliary lock is placed on the indoor side of the lower door of the outdoor door and in the vicinity of the door ridge of the indoor door. The movable part on the surface facing the outdoor side of the water return wall portion of the fitting frame facing the lower side of the outdoor door to the indoor side. Make them face each other.

  When the operation member is rotated so that the rack plate moves rearward in this state, the movable part moves away from the fixed part, and the movable part abuts and presses the water return wall part of the joinery frame. As a result, the fixed portion and the movable portion are stretched between the lower arm of the outdoor opening / closing door and the water return wall portion, and the auxiliary lock is fixed to the reverse fitting.

Japanese Patent No. 4215902

  In the conventional auxiliary lock, when the auxiliary lock is fixed to the sliding joint, the rack plate is moved backward, that is, moved in the indoor direction in order to move the movable portion backward. In order to take the movement allowance for moving in the indoor direction, the case is formed long in the front-rear direction, and in the state where the auxiliary lock is pulled and fixed to the joinery, the case is placed indoors from the water return wall portion of the joinery frame Protrusively.

If the case protrudes from the water return wall portion to the indoor side while the auxiliary lock is fixed to the sliding joint, there is a possibility that the protruding portion will hit the case.
Moreover, when the glass of the sliding door of the sliding joinery is broken to try to remove the auxiliary lock from the outside, it is possible to hook the hand on the portion protruding from the water return wall portion of the auxiliary lock case to the indoor side. In some cases, the auxiliary lock may be easily removed.

  Then, in view of the said problem, this invention makes it a subject to provide the auxiliary | assistant lock which is hard to hit an auxiliary | assistant lock in the state attached to the sliding joinery, and is hard to remove | deviate.

The technical means taken by the present invention to solve the technical problems are characterized by the following points.
In the invention which concerns on Claim 1, it is attached to the sliding fitting formed by opening and closing the indoor side opening / closing door and the outdoor opening / closing door to the fitting frame so that it can be opened and closed, and the outdoor opening / closing door and the indoor opening / closing door are opened. An auxiliary lock that restricts movement in the direction,
A case and a movable member supported by the case so as to be movable indoors and outdoors. The case is engaged with one of the lower frame of the joinery frame or the lower arm of the outdoor door, and the movable member is moved indoors and outdoors. In the auxiliary lock fixed to the joinery frame by moving in a direction away from the case and pressing the movable member against the other of the lower frame of the joinery frame or the lower arm of the outdoor door ,
The auxiliary lock is formed so as to fit between the lower arm of the outdoor door and the indoor side wall portion of the joinery frame facing the lower arm indoors.

In the invention which concerns on Claim 2, the said case can be arrange | positioned between the lower arm of an outdoor door and the indoor side wall part of the joinery frame which opposes this armpit indoors, and supports a door. It can be placed on the wall portion of the joinery frame, and can be brought into contact with either the lower arm of the outdoor door or the indoor side wall portion of the joinery frame facing the lower arm on the indoor side,
The movable member is movable from a surface of the case facing the other side of the lower collar or the indoor side wall to the other side of the lower collar or the indoor side wall, and the movable member is moved to the lower collar or the indoor side wall. The auxiliary lock can be fixed by being pressed against the other of the two.

In the invention according to claim 3, the case is formed in a box shape having a lower opening, and the case body is inserted into the case body from the lower side and fixed to the case body, and a guide portion is provided on the upper surface. A pair of lids provided in the opening and closing direction of the door,
The movable member includes a support plate that is disposed between the guide portions of the lid and is guided so as to be movable in the indoor and outdoor directions, and a pressing wall that can press the other of the lower collar and the indoor side wall portion. ,
The support plate can be protruded from the inside of the case to the outside through a through hole formed in a wall portion facing the other side of the lower collar or the indoor side wall portion of the case, and on the side of the support plate protruding from the case. A pressing wall is provided.

The invention according to claim 4 is characterized in that the case is provided with a rail escape portion for avoiding interference with the indoor rail that guides the indoor open door in the opening and closing direction.
In the invention according to claim 5, Setto possible with a result in one of the chamber inner wall portion of the joinery frame facing indoors side contact portion provided in the case bottom rail or lower rail of the outdoor side opening door In both cases, a movable member can be brought into contact with the lower arm of the outdoor door or the indoor side wall of the joinery frame facing the lower arm on the indoor side, and the position of the contact portion of the case in the indoor / outdoor direction is determined. It can be changed.

The auxiliary lock of the present invention fits between the lower arm of the outdoor door and the indoor side wall portion of the joinery frame facing the lower door on the indoor side. It has the effect that it is difficult to hit anything and the auxiliary lock is difficult to remove.
In addition, since the auxiliary lock does not protrude from the indoor side wall portion of the joinery frame facing the lower arm on the indoor side, when the auxiliary lock is released, the lower door of the outdoor door and the lower arm Even if an auxiliary lock is placed between the indoor side walls of the joinery frame facing on the indoor side, there is an advantage that the auxiliary lock does not get in the way.

It is side surface partial sectional drawing of the state which attached and fixed the auxiliary lock to the sliding window. It is a plane partial cross section figure of the state which attached and fixed the auxiliary lock to the sliding window. It is a front view of the sliding window of the state which attached and fixed the auxiliary lock to the sliding window. It is a perspective view of an auxiliary lock. It is a disassembled perspective view of a lock main body. It is the perspective view which looked at the operation member from the lower side. It is side surface sectional drawing of an auxiliary lock. It is a plane partial sectional view of an auxiliary lock. It is a back sectional view of an auxiliary lock. (A) is a plan view of the cam member, (b) is a bottom view of the cam member, (c) is a front view of the cam member, (d) is a cross-sectional view taken along the line CC, and (e) is DD. A cross-sectional view taken along the arrow, (f) is a perspective view seen from the upper side, and (g) is a perspective view seen from the lower side of the cam member. (A) is a top view of the auxiliary | assistant lock which concerns on other embodiment, (b) is a front view of the auxiliary | assistant lock which concerns on other embodiment. (A) is a rear view of the position changing means of the contact portion, (b) is a partial plan view of a plane of the position change means of the contact portion, and (c) is a partial sectional view of the side surface of the position changing means of the contact portion. (D) is a rear view which shows operation | movement of the position change means of a contact part.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
In FIG. 3, reference numeral 1 denotes a sliding window exemplified as a sliding joinery. The sliding window 1 is attached to a window frame 2 (jointing frame) attached to a window opening formed in a housing of a building such as a house. The indoor side opening / closing door 3 and the outdoor side opening / closing door 4 are provided so as to be freely opened and closed in a sliding manner.
As shown in FIG. 3, the indoor side opening / closing door 3 and the outdoor side opening / closing door 4 are composed of a gutter 6 and a glass plate 7 fitted in the gutter 6. The heel 6 is formed in a rectangular frame shape from the upper heel 8, the lower heel 9, the door toe heel 10, and the Tojiri heel 11.

The window frame 2 is formed in a rectangular frame shape from an upper frame 12, a lower frame 13, and a pair of left and right ridge frames 14.
As shown in FIG. 1, the lower frame 13 of the window frame 2 connects the indoor side vertical wall portion 16, the outdoor side vertical wall portion 17, and the vertical wall portions 16, 17 to each other and the indoor side opening / closing door 3. And the horizontal wall part 18 which supports the indoor side door 3 and the indoor-outdoor X pair of rails 19 and 20 provided in this horizontal wall part 18 are provided.

The indoor side door 19 is guided by the indoor rail 19 so as to be movable in the opening and closing direction, and the outdoor door 4 is guided by the outdoor rail 20 so as to be movable in the opening and closing direction.
The indoor vertical wall portion 16 and the outdoor vertical wall portion 17 have a wall thickness direction that coincides with the indoor / outdoor direction X and a wall surface that faces the indoor / outdoor direction X. The wall portion 16 a protrudes upward from the lateral wall portion 18 and is opposed to the surface on the indoor side A of the lower arm 9 of the outdoor door 4.

The wall portion 16a of the indoor side vertical wall portion 16 facing the indoor side A surface of the lower arm 9 of the outdoor door 4 is referred to as a water return wall portion.
In the following description, the indoor / outdoor direction X is also referred to as the front / rear direction, the outdoor side B in the indoor / outdoor direction X is referred to as the front, and the indoor side A is referred to as the rear. Also, the opening / closing direction Y of the doors 3 and 4 is also referred to as the left-right direction, the left side from the indoor side A toward the sliding window 1 is simply referred to as the left side, and the right side from the indoor side A toward the sliding window 1 is simply referred to as the right side.

1-9, the code | symbol 21 is an auxiliary | assistant lock which regulates the movement of the indoor side opening / closing door 3 and the opening direction of the indoor side opening / closing door 3 by attaching and fixing to the said sliding window 1. As shown in FIG.
As shown in FIG. 4, the auxiliary lock 21 mainly includes a lock main body 22 and an operation member 23.
The lock body 22 is mainly composed of a case 24, a movable member 25 that is supported by the case 24 so as to be movable back and forth, and a cam member 26 that engages with the movable member 25.

As shown in FIG. 5, the case 24 mainly includes a case main body 27, a lid body 28, and a contact plate 29 (contact portion).
As shown in FIGS. 5, 7, 8, and 9, the case body 27 is formed in a box shape having a downward opening from the upper wall 31, front and rear walls 31, 32, and left and right side walls 33. .
An opening 34 made of a circular hole is formed in the center portion of the upper wall 31 of the case body 27 in the left-right direction Y. On the lower surface side of the upper wall 31, rib walls 36 extending downward from the lower surface of the upper wall 31 to the midway in the vertical direction of the case body 27 are formed on the left and right sides of the opening 34, respectively. . Each rib wall 36 is formed from the front wall 31 to the rear wall 32. In addition, on the outer side of each rib wall 36 in the left-right direction Y, a lid attachment portion 38 having a screw hole 37 having a downward opening extends downward from the lower surface of the upper wall 30 to the middle in the vertical direction of the case body 27. It has been extended. The lower surface of the lid attachment portion 38 and the lower surface of the rib wall 36 are formed to be at the same height in the vertical direction.

The front wall 31 of the case main body 27 is formed with a pressing wall receiving recess 39 that is recessed in a rectangular shape when viewed from the front. The pressing wall receiving recess 39 is formed from the upper end to the lower end of the front wall 31. A pressing wall 54 (to be described later) is accommodated in the pressing wall housing recess 39.
Further, a through hole 40 is formed through the front wall 31 at a midway portion in the vertical direction of the center portion in the left-right direction Y. The through hole 40 is located in the central portion between the left and right rib walls 36, and the upper portion 40a is formed with a narrower width in the left-right direction Y than the lower portion 40b, and the upper portion 40a is in the left-right direction Y center of the lower portion 40b. It is formed in a convex shape when viewed from the front.

  On the rear surface of the rear wall 32 of the case main body 27, a concave portion 41 having a rectangular shape in a rear view that is recessed forward is formed, and the concave portion 41 is formed in an open shape only downward. In the recess 41 on the rear surface of the rear wall 32, a contact plate 29 made of a rectangular rubber plate or the like is attached. A pair of left and right vertical ribs 42 extending forward are formed on the front surface of the rear wall 32 (inner surface of the case body 27). The vertical rib 42 is formed from the lower end of the rib wall 36 to the lower end of the case body 27.

The case body 27 (case 24) can be placed between the lower arm 9 of the outdoor door 4 and the water return wall 16a, and is placed on the horizontal wall 18 that supports the doors 3 and 4. It is possible.
Further, the case body 27 can be brought into contact with the surface facing the outdoor side B of the water return wall portion 16a through the contact plate 29 (the rear surface side of the case 24 faces the outdoor side B of the water return wall portion 16a). It is possible to touch the surface).

  The left and right side walls 33 of the case body 27 are formed with a rail escape portion 43 that is notched upward from the lower end to avoid interference with the indoor rail 19. The rail escape portion 43 is formed closer to the front side than the center in the front-rear direction X. In addition, the position of the indoor rail 19 in the indoor / outdoor direction X varies depending on the various sliding windows 1 (drawing fittings). It is formed to be sufficiently wider than the thickness of the indoor rail 19 so as to cope with the position variation (so that the variation can be absorbed).

The lower end of the rib wall 36 and the lower end of the lid attachment portion 38 are located above the upper end of the rail escape portion 43, and the lower end of the through hole 40 is at the same height as the upper end of the rail escape portion 43. Has been.
As shown in FIGS. 5, 7, 8, and 9, the lid body 28 is formed in a box shape having a downward opening from the upper wall 44, front and rear walls 45 and 46, and left and right side walls 47. The upper surface 44 of the lid body 28 is in contact with the lower surface of the rib wall 36 and the lid body mounting portion 38.

A screw insertion hole 48 is formed in the upper wall 44 of the lid body 28 at a position corresponding to the screw hole 37 of the lid attachment portion 38 of the case body 27. The screw insertion hole 48 is inserted from below to be screwed. The lid body 28 is attached and fixed to the case main body 27 by a screw 35 screwed into the hole 37.
Further, a pair of left and right guide portions 49 are formed on the upper surface of the upper wall 44 of the lid body 28. The guide portions 49 are formed as long ridges extending in the front-rear direction X projecting upward from the upper surface of the lid 28, and each guide portion 49 is positioned between the rib wall 36 and the through hole 40 in the left-right direction Y. ing. Therefore, the through hole 40 is located between the left and right guide portions 49.

On the left and right side walls 47 of the lid body 28, rail escape portions 50 corresponding to the rail escape portions 43 formed on the case body 27 are formed.
On the rear surface of the front wall 45 of the lid body 28 (inner surface of the lid body 28), vertical ribs 51 located in the center portion in the left-right direction Y are formed in the vertical direction, and on the rear wall 46 of the lid body 28 forward from the rear surface. A pair of left and right concave strips 52 that are recessed toward the left and right are formed, and vertical ribs 42 formed on the front surface of the rear wall 32 of the case body 27 are fitted into the concave strips 52.

The movable member 25 includes a support plate 53, as shown in FIGS.
It is mainly composed of a pressing wall 54 integrally formed at the front end of the support plate 53 and capable of pressing the lower lid 9 of the outdoor door 4 and a contact plate 55 attached to the front surface of the pressing wall 54. ing.
The support plate 53 is formed in a rectangular plate shape that is long in the front-rear direction X, and a plurality of rack teeth 56 are formed on the upper surface at predetermined intervals in the front-rear direction X.

The support plate 53 is disposed between the left and right guide portions 49 on the upper surface of the lid 28 and is guided by the left and right guide portions 49 so as to be movable in the front-rear direction X.
The support plate 53 can protrude forward through the through hole 40 of the case body 27 so that the support plate 53 passes through the lower part 40 b of the through hole 40 and the rack teeth 56 pass through the upper part 40 a of the through hole 40. The front and rear direction X can be protruded and retracted from the front surface of the case body 27.

  The pressing wall 54 is formed in a rectangular plate shape when viewed from the front, and the front end of the support plate 53 is connected to the rear surface of the pressing wall 54 slightly upward from the center in the vertical direction and to the Y central portion in the left-right direction. . A concave portion 57 that is recessed rearward is formed on the front surface of the pressing wall 54, and a contact plate 55 made of a rubber plate or the like provided to fit into the concave portion 57 is attached to the front surface of the pressing wall 54. .

As shown in FIG. 10, the cam member 26 integrally includes a base portion 58, an engaging portion 59 provided on the upper surface of the base portion 58, and a helical cam 60 provided on the lower surface side of the base portion 58. Formed.
The base portion 58 is formed in a circular shape in plan view, and is formed in a stepped shape from an upper small diameter portion 58a and a lower large diameter portion 58b having a larger diameter than the small diameter portion 58a.

The engaging portion 59 is formed in a cylindrical shape having a smaller diameter than the small diameter portion 58a of the base portion 58, and the outer peripheral surface is formed in an uneven shape in which convex portions and concave portions are continuous in the circumferential direction. Further, the inner hole of the engagement portion 59 is a fitting hole 61 formed of a circular hole-shaped bottomed hole, and the bottom portion is formed to reach the small diameter portion 58 a of the base portion 58.
The base 58 is formed with an operation hole 62 formed of a hexagonal bottomed hole that is recessed downward from the bottom surface of the fitting hole 61.

  The cam member 26 is inserted into the case main body 27 from below before attaching the lid 28 to the case main body 27, and the small-diameter portion 58 a of the base portion 58 is formed on the case main body 27 as shown in FIGS. 7 and 9. The cam member 26 is prevented from moving upward by being inserted into the opening 34 of the upper wall 30 and the upper surface of the large-diameter portion 58b contacting the lower surface of the upper wall 30 of the case body 27. Further, by attaching the lid body 28 to the case main body 27, the lid body 28 prevents the cam member 26 from being pulled out downward.

The lower surface of the helical cam 60 of the cam member 26 is slidably contactable with the upper surface of the guide portion 49 of the lid 28, and the cam member 26 is supported by the case 24 so as to be rotatable about the vertical axis.
Further, the cam member 26 is positioned above the support plate 53 of the movable member 25, and the spiral cam 60 is engaged with the rack teeth 56 of the support plate 53 as shown in FIG. 8.
As shown in FIG. 6, the operation member 23 has an upper portion as a knob portion 63 and a lower portion formed in an outer cylindrical shape. On the lower surface side of the operation member 23, an engagement hole 64 is formed in which the engagement portion 59 of the cam member 26 can be fitted, and the inner peripheral surface has an uneven shape that matches the uneven shape of the engagement portion 59. ing. By fitting the engagement hole 64 of the operation member 23 into the engagement portion 59 of the cam member 26, the operation member 23 can rotate integrally with the cam member 26. Then, by rotating the operation member 23, the cam member 26 rotates integrally with the operation member 23 and the spiral cam 60 engages with the rack teeth 56 (engages with the rack teeth 56), whereby the support plate 53. Moves back and forth, and the movable member 25 advances and retreats in the front-rear direction X.

  Further, as shown in FIGS. 6 to 8, the operation member 23 is provided with an insertion portion 65 that is located at the center portion of the engagement hole 64 and is inserted into the fitting hole 61 of the cam member 26. Yes. The insertion portion 65 is formed in a bifurcated cylindrical body and is configured to be slightly elastically deformed radially inward by being inserted into the fitting hole 61. Appropriate frictional resistance is generated between the outer surface of 65.

The operation member 23 is detachable from the cam member 26, and is configured such that the cam member 26 cannot be easily operated by removing the operation member 23 from the cam member 26.
The knob portion 63 of the operation member 23 is formed with a hooking hole 66 for hooking the operation member 23 to a hook portion provided on a wall or the like when the operation member 23 is removed from the cam member 26. Has been.

In the auxiliary lock 21 of the present embodiment, the operation member 23 is inserted into the operation hole 62 by inserting a hexagonal columnar bar material (such as a hexagon wrench) that matches the operation hole 62 formed in the base portion 58. Even if there is not, it is comprised so that the cam member 26 can be rotated.
In order to attach the auxiliary lock 21 to the sliding window 1 (differential fitting), for example, the movable member 25 faces the outdoor side B with the sliding window 1 closed and the movable member 25 retracted. As described above, the auxiliary lock 21 is disposed between the lower lid 9 of the outdoor door 4 and the water return wall portion 16a and in the vicinity of the door butt 11 of the indoor door 3. Then, the case 24 is placed on the horizontal wall portion 18 of the lower frame 13, and the rear surface side (the contact plate 29) of the case 24 is brought into contact with the surface facing the outdoor side B of the water return wall portion 16a.

  In this state, the operation member 23 is operated to move the movable member 25 forward so that the movable member 25 (contact plate 55) contacts the surface facing the indoor side A of the lower arm 9 of the outdoor door 4 and thereafter. When the operation member 23 is further operated in the direction in which the movable member 25 is further moved forward, the movable member 25 presses the lower arm 9 of the outdoor door 4 and the auxiliary lock 21 is connected to the lower door 9 and the water. The auxiliary lock 21 is fixed to the sliding window 1 by stretching between the return wall portion 16a. Thereby, the movement in the opening direction of the indoor side opening / closing door 3 and the outdoor side opening / closing door 4 is restricted.

Further, when the operation member 23 is rotated in the reverse direction, the auxiliary lock 21 is released.
In the auxiliary lock 21 configured as described above, the case 24 can be disposed between the lower arm 9 of the outdoor door 4 and the water return wall 16a, and the movable member 25 is the lower arm of the outdoor door 4. 9 can be pressed, the auxiliary lock 21 is formed so as to fit between the lower arm 9 of the outdoor door 4 and the water return wall 16a.

  Thereby, in the state which attached the auxiliary | assistant lock 21 to the sliding window 1 (drawing joinery), it is hard to touch the auxiliary | assistant lock 21 and the auxiliary | assistant lock 21 cannot be removed easily. In addition, since the auxiliary lock 21 does not protrude from the water return wall portion 16a to the indoor side A, when the auxiliary lock 21 is released, the auxiliary lock 21 is disposed between the lower lid 9 of the outdoor door 4 and the water return wall portion 16a. Even if the auxiliary lock 21 is placed, the auxiliary lock 21 does not get in the way. In addition, when the auxiliary lock 21 is released, the auxiliary lock 21 is lost by placing the auxiliary lock 21 between the lower arm 9 of the outdoor door 4 and the water return wall portion 16a. Can be prevented.

In the present embodiment, the sliding window 1 is illustrated as the sliding joint 1 that uses the auxiliary lock 21, but the present invention is not limited to this, and the sliding door 1 as the sliding joint 1 provided at the entrance / exit opening is not limited thereto. It may be used for different doors.
Further, the front end side edge of the rail escape portion 43 of the case body 27 can be engaged with the indoor rail 19, and the movable member 25 is pressed against the lower arm 9 of the outdoor door 4 in this state. The auxiliary lock 21 may be fixed to the sliding joinery 1.

Alternatively, the front and rear of the auxiliary lock 21 may be reversed so that the case 24 contacts the lower arm 9 of the outdoor door 4 and the movable member 25 can press the water return wall 16a. Good.
FIG. 11 shows an auxiliary lock 21 according to another embodiment.
In the auxiliary lock 21 according to this embodiment, the case 24 is formed long in the left-right direction Y, and two sets of the movable member 25, the cam member 26, and the operation member 23 are provided in the left-right direction Y.

Further, in the auxiliary lock 21 of the other embodiment, the position of the contact portion 67 provided on the rear surface side of the case 24 and contacting the water return wall portion 16a can be changed in the front-rear direction X (position adjustment). The auxiliary lock 21 can be made to correspond to various sliding windows 1 (drawing fittings).
The contact portion 67 includes a receiving wall 68 that is rectangular when viewed from the back, and a contact plate 69 that is rectangular when viewed from the back and is attached to the rear surface of the receiving wall 68.

The position changing means for changing the position of the contact portion 67 is configured as shown in FIG. 12, for example.
The position changing means shown in FIG. 12 includes a columnar support member 71 having an axial center in the front-rear direction X, and a first locking portion 72 and a second locking portion 73 provided on the support member 71. .
The first locking portion 72 and the second locking portion 73 project radially outward from the support member 71, and the first locking portion 72 and the second locking portion 73 are arranged in the circumferential direction of the support member 71. Each pair is provided.

One first locking portion 72 is provided at a position shifted by 90 ° in the circumferential direction of the support member 71 with respect to the other first locking portion 72, and the one second locking portion 73 is the other first locking portion 72. The second engaging portion 73 is provided at a position shifted by 90 ° in the circumferential direction of the support member 71.
One first locking portion 72 is positioned on the rear side of one second locking portion 73, and the other first locking portion 72 is positioned on the rear side of the other second locking portion 73. Yes.

The second locking portion 73 is larger in width (dimension in the circumferential direction of the support member 71) and height (dimension in the radial direction of the support member) than the first locking portion 72.
The support member 71 is formed in a first support hole 74 formed in the rear wall 32 (hereinafter simply referred to as the rear wall 32) of the case body 27 and a support wall 78 provided in front of the rear wall 32. The second support hole 75 is inserted so as to be movable back and forth.

When the contact portion 67 is in contact with the rear surface of the rear wall 32, the first locking portion 72 is located between the rear wall 32 and the support wall 78, and the second locking portion 73 is on the front side of the support wall 78. Located in.
The first support hole 74 is formed with a first notch 76 through which the first locking part 72 can pass but the second locking part 73 cannot pass. The second support hole 75 has a second locking part 73. A second notch 77 is formed through which can pass.

In the position changing means having the above configuration, as shown in FIGS. 12A to 12C, the first locking portion 72 is displaced in the circumferential direction between the first notch 76 and the support member 71, and In a state where the second locking portion 73 is displaced in the circumferential direction of the second notch 77 and the support member 71, the contact portion 67 and the support member 71 are not movable back and forth.
In this state, the support member 71 is rotated around the axial center so that the first locking portion 72 is aligned with the first notch 76 and the second locking portion 73 as shown in FIG. Is made to coincide with the second notch 77, the contact portion 67 and the support member 71 can be moved backward. When the contact portion 67 and the support member 71 are moved backward, the contact portion 67 and the support member 71 are moved backward until the second locking portion 73 contacts the rear wall 32.

When the second locking portion 73 comes into contact with the rear wall 32, the contact portion 67 is rotated around the axis of the support member 71 to return to the original position.
In this way, the position of the contact portion 67 can be changed to the position indicated by the phantom line in FIGS. 11 (a) and 12 (b).
In addition, as a position change means of the contact part 67, you may employ | adopt the thing of another structure, without being limited to the thing of the structure shown in FIG. For example, position changing means using a ratchet mechanism or position changing means using rack teeth and a spiral cam may be employed.

Moreover, in the example of the figure, the position changing means that can change the contact portion 67 to the front and rear two stages is illustrated, but the present invention is not limited to this, and the position of the contact section 67 can be changed to a plurality of stages of three or more. Alternatively, the position of the contact portion 67 may be changed steplessly.
The other structure is comprised similarly to the auxiliary | assistant lock 21 of embodiment which concerns on FIGS.
Moreover, you may employ | adopt the position change means of the said contact part 67 of the auxiliary | assistant lock 21 which concerns on this other embodiment for the auxiliary | assistant lock 21 of embodiment which concerns on FIGS.

1 draw joiner (draw window)
2 Joinery frame (window frame)
3 Indoor door 4 Outdoor door 9 Lower arm 13 Lower frame
16a Indoor side wall part (water return wall part) of joinery frame facing indoor side of outdoor door
18 Wall part (horizontal wall part) of joinery frame that supports the door
24 Case 25 Movable member 27 Case body 28 Lid 40 Passing hole 43 Rail relief part 49 Guide part 53 Support plate 54 Pressing wall 67 Contact part A Indoor side B Outdoor side X Indoor outside direction (front-back direction)
Y Open / close direction (left-right direction)

Claims (5)

An outdoor door (4) attached to a sliding fitting (1) in which an indoor opening door (3) and an outdoor opening door (4) can be opened and closed in a sliding manner on the fitting frame (2). And an auxiliary lock for restricting movement in the opening direction of the indoor side door (3),
A case (24) and a movable member (25) supported in the case (24) so as to be movable indoors and outdoors (X) are provided, and the case (24) is attached to the lower frame (13) of the joinery frame (2). Alternatively, the movable member (25) is moved in the indoor / outdoor direction (X) and in the direction away from the case (24) while being engaged with one of the lower lids (9) of the outdoor door (4). The movable member (25) is fixed to the joinery frame (2) by being pressed against the other one of the lower frame (13) of the joinery frame (2) or the lower arm (9) of the outdoor door (4). Auxiliary lock
The auxiliary lock is placed between the lower arm (9) of the outdoor door (4) and the indoor side wall (16a) of the joinery frame (2) facing the lower arm (9) on the indoor side (A). An auxiliary lock characterized by being formed to fit in The case (24) includes a lower arm (9) of the outdoor door (4) and an indoor side wall (16a) of the joinery frame (2) facing the lower arm (9) on the indoor side (A). It can be placed between and can be placed on the wall part (18) of the joinery frame (2) that supports the door (3, 4), and the lower arm (9) of the outdoor door (4) Or, it is possible to contact one of the indoor side wall portions (16a) of the joinery frame (2) facing the lower arm (9) on the indoor side (A),
The movable member (25) is directed from the surface of the case (24) facing the other side of the lower collar (9) or the indoor side wall (16a) toward the other side of the lower collar (9) or the indoor side wall (16a). The auxiliary lock can be fixed by making the movable member (25) contact and press against the other of the lower heel (9) or the indoor side wall (16a). The auxiliary lock according to claim 1. The case (24) has a case main body (27) formed in a box shape having a lower opening, and is inserted into the case main body (27) from the lower side, and is fixedly attached to the case main body (27), and an upper surface. The guide part (49) has a pair of lids (28) provided in the opening / closing direction (Y) of the door,
The movable member (25) is disposed between the guide portions (49) of the lid (28), and is movably guided in the indoor / outdoor direction (X). The lower plate ( 9) or a pressing wall (54) capable of pressing the other of the indoor side wall (16a),
The support plate (53) is inserted into the case (24) through a through hole (40) formed in the wall (31) facing the other of the lower collar (9) or the indoor side wall (16a) of the case (24). The auxiliary lock according to claim 2, wherein a pressing wall (54) is provided on a side protruding from the case (24) of the support plate (53).   The case (24) is provided with a rail relief portion (43) for avoiding interference with the indoor rail (19) for guiding the indoor open door (3) in the open / close direction (Y). The auxiliary lock according to claim 1, 2 or 3. The connecting part (67) provided in the case (24) is connected to the lower arm (9) of the outdoor door (4) or the fitting frame (2) facing the lower arm (9) on the indoor side (A). the chamber inner wall portion (16a) and one in Setto possible with result both of the lower rail (9) or fittings frame facing the indoor side (a) to the lower rail (9) of the outdoor side opening door (4) ( 2) The movable member (25) can be brought into contact with the other side of the indoor side wall (16a), and the position in the indoor / outdoor direction (X) of the contact portion (67) of the case (24) can be changed. The auxiliary | assistant lock of any one of Claims 1-4 characterized by the above-mentioned.

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