JP2009243146A - Lock device for sash - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lock device for a sash locked only by the closing operation of a door and unlocked only by the opening operation of the door but not locked when closing on the outdoor side to allow the door to be always opened. <P>SOLUTION: The lock device for the sash comprises: a hook protrusively provided at a vertical frame door stop surface; a latch mounted to a door end side stile and locked to the hook when closing the door; a hand-hold member 26 mounted to the door end side stile, energized in a vertical frame direction and operable from the indoor side; and a tapered block interlocked with the hand-hold member to move the latch 31 from a lockable position to the hook 10 to a lock releasable position when moving the hand-hold member in a direction to go away from the vertical frame. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a sash locking device that is automatically locked only by closing a sliding door.

  Conventionally, a lock device generally attached to a sash such as a sweep-out window or a waist-high window is a crescent lock.

  In order to lock the crescent lock, after closing the sliding door, the crescent is turned and locked to the crescent receptacle.

  Therefore, when the crescent lock is locked, two operations are required: closing the sliding door and rotating the crescent.

  In order to ensure the airtightness of the window when it is closed, an elastic airtight material is usually provided on the door contact surface of the vertical frame of the window frame, and the closed sliding door presses the airtight material so as to be in close contact. . Therefore, if the sliding door is only closed normally, the sliding door is repelled in the direction away from the vertical frame by the elastic airtight material, so when locking the crescent lock, the sliding door to be closed is pressed against the vertical frame to receive the crescent. It is necessary to turn the crescent with the position aligned. That is, since the closed sliding door is pressed to the vertical frame side with one hand and the crescent is turned with the other hand, it may not be possible to lock the object while holding an object in either hand.

Also, it is not locked just by closing the sliding door, so when you go out because of an emergency, you can go out without locking by illusioning that it is locked looking at the window being closed Yes, for crime prevention.
nothing special

Therefore, there has been a demand for a locking device that is automatically locked only by closing the sliding door.
Some vehicles such as buses use an automatic locking type locking device that is locked only by closing a sliding door. However, this automatic locking type locking device requires the lever operation of the locking device when the sliding door is opened. And it is locked not only when the sliding door is closed not only inside the vehicle but also outside the vehicle. Therefore, when the above automatic locking type locking device is applied to a sash, for example, if the sliding door is inadvertently closed after exiting from a sweeping window opened from the indoor side, it will be locked. There will be a situation where it is impossible to return inside.

In view of the above points, the first object of the present invention is to provide a sash locking device that is locked only by the operation of closing the sliding door and unlocked only by the operation of opening the sliding door on the indoor side. And
A second object of the present invention is to provide a sash locking device that is not locked when the sliding door is closed outdoors.

  In order to achieve the first object, a sash locking device according to the present invention comprises: (a) a hook projecting from a door contact surface of a vertical frame of a window frame; A latch that is attached to the hook and is locked to the hook when the sliding door is closed, and (c) a direction that is attached to the door-end side vertical shaft so as to be movable relative to the vertical frame and approaches the vertical frame. And (d) when the handle member is moved away from the vertical frame, the latch can be locked to the hook in conjunction with the handle member. It is characterized by comprising a support member that is retracted from a position to a position where the locking can be released (Claim 1).

  In the sash locking device, (b1) the latch has an inclined surface facing the hook direction and a locking jaw connected to an end of the inclined surface, and is provided at the tip of the support member. When the latch is urged toward the position where it can be locked to the hook, and the sliding door is closed, the hook hits the inclined surface and the latch is moved back to the position where the locking can be released, further closing the door. (D1) The support member has a passive piece having an inclined surface facing the hook direction at a position farther from the vertical frame than the handle member. A position where the inclined surface of the passive piece is pressed when the handle member is moved in a direction away from the vertical frame with respect to the vertical side wall of the sliding door so that the latch can be released from the hook. Can be unlocked by retracting The constitution (claim 2).

  In the sash locking device, the latch, the support member, a biasing member that biases the support member to a position where the latch can be latched, a handle member, and the handle member are biased to a fixed position. The urging member is attached in one lock box, the lock box is attached to the indoor side portion of the door-end side vertical fence, and the hook enters when the sliding door is closed on the vertical frame side. It has an opening, and has a recessed part opened to the indoor side which accommodates the said handle member so that a distance movement is possible with respect to a vertical frame (Claim 3).

  In order to achieve the first object, another sash locking device according to the present invention includes a hook projecting on a door contact surface of a vertical frame of a window frame and having a recess opening on the upper surface, and a sliding door. A lock box that is attached to the indoor side of the door-end side shaft and has a recess that opens to the vertical frame side, is formed in a block shape, and is held in the lock box so as to be movable up and down on the upper side of the recess. A latch that has an inclined surface facing in the hook direction at the part, and has an inclined hole that becomes lower toward the side farther from the vertical frame, and is biased so as to protrude into the recess, and the latch of the lock box On the other hand, a handle member provided on the opposite side of the vertical frame so as to be operable from the indoor side, and provided so as to be able to move to and away from the vertical frame, and a biasing member for biasing the handle member in the vertical frame direction And a shaft having one end slidably inserted into the inclined hole of the latch; Together is, the other end is characterized in that it consists of a cooperative member being cooperative to work only with the movement of a direction away from said vertical frame of said working member (claim 4).

  In the sash locking device, one of the urging member for urging the latch and the urging member for urging the handle member can serve as the other (Claim 5).

  The sash locking device described above is suitable for a window that does not normally go out of the room, that is, a waist high window sash. The sash locking device described below is suitable for a sash for a discharge window.

  In order to achieve the second object, a sash locking device according to the present invention includes: (a) a hook projecting from a door contact surface of a vertical frame of a window frame; A support member which is movably provided in the indoor / outdoor direction and is urged in one of the indoor / outdoor directions; and (c) the interior surface of the doorside side wall with respect to the vertical frame. It is attached so as to be movable in the direction and to return to the middle position in the perspective direction with respect to the vertical frame after the movement, and when moved in a direction away from the vertical frame and moved in a direction approaching the vertical frame. A handle member for moving the support member from a fixed position in a direction opposite to its urging direction, and (d) a height of the support member on the side close to the vertical frame and facing the hook. The hook is advanced into the door-end side shaft at a fixed position of the support member. The hook member is moved in a direction approaching the vertical frame, and the support member is moved in a direction opposite to the biasing direction, the hook is moved into the door-end side vertical shaft. A baffle member that is moved to a position allowing entry, and (e) a height opposite to the hook at the end of the support member on the side close to the vertical frame, provided at a height different from that of the baffle member. The holding member is held at a position that can be locked to the hook at a fixed position, and the handle member is moved in a direction away from the vertical frame, and the support member is moved in a direction opposite to the biasing direction. A latch that is moved to a position where the locking with the hook can be released sometimes. (F) The hook, the support member, the handle member, and the baffle member constitute a locking prevention mechanism. (G) the hook; And serial support member, and the working member, the locking mechanism and the latch is characterized by being composed (claim 6).

In a preferred example of the sash locking device, a lock box having an opening on the vertical frame side and having a recess opening on the indoor side is attached to the indoor side of the sliding edge of the sliding door. A handle member having an operating piece protruding into the lock box is attached to the recess so as to be movable in the perspective direction with respect to the vertical frame and returned to the intermediate position in the perspective direction, and the support member is attached in the indoor direction. The baffle member is provided at a position that closes the opening in the lock box when the support member is in a fixed position, and the handle member is disposed on the interior surface of the support member in a direction approaching the vertical frame or Provided with a tapered block that is pushed by the handle member to move the support member in the outdoor direction against the urging force when moving in a direction away from the vertical frame, and an inclined surface facing the hook direction and the inclined surface Locking at the end of the Provided a latch having a per the end of the vertical frame side of the support member,
When the sliding door is closed, the hook hits the inclined surface of the latch to move the latch to a position where the locking with the hook can be released, and when the sliding door is further closed, the locking jaw is engaged with the hook. Locked by stopping,
When opening the sliding door, it is unlocked by moving the latch to a position where the latch can be released via the tapered block when the handle member is moved away from the vertical frame. It is characterized (claim 7).

The sash locking device according to the present invention for achieving the second object comprises a locking prevention mechanism and a locking mechanism,
The locking prevention mechanism protrudes from the door contact surface of the vertical frame of the window frame, and is attached to the indoor side of the door-end side vertical shaft of the sliding door, and opened to the vertical frame side. A lock box having a recess to be formed, and is formed in a block shape, and is held in the lock box so as to be movable up and down on the upper side of the recess, and has an inclined surface facing the hook direction at the lower end, and from the vertical frame A latch that has an inclined hole that becomes lower toward the far side and is biased so that its lower end protrudes into the recess, and is formed in a block shape so that it can be raised and lowered below the recess in the lock box. A baffle member that is held and has an inclined hole that becomes lower toward a side farther from the vertical frame and is biased so that an upper end protrudes into the recess; and the vertical frame with respect to the latch of the lock box It is provided on the opposite side so that it can be operated from the indoor side, A handle member that can be moved in the distance direction, a biasing member that biases the handle member in both the perspective direction with respect to the vertical frame and holds it in an intermediate position, and a slidably inserted through the inclined hole of the latch. One end of the shaft is slidably inserted into the inclined hole of the baffle member, and a first connecting member having one end coupled to the shaft and the other end engaged on the opposite side of the vertical frame of the handle member. It can also be comprised by the 2nd connection member couple | bonded and the other end is engaged in the same side as the said vertical frame of the said handle member.

  According to the first aspect of the invention, the latch is locked to the hook when the sliding door is closed only by pushing the handle member in the vertical frame direction on the indoor side and closing the sliding door. Is done. That is, it is not necessary to operate the lock device itself. And even if an elastic airtight material is attached to the vertical frame, the sliding door can be closed and locked with only one hand. In addition, when the handle member is moved away from the vertical frame, the latch retracts from the hook to a position where it can be unlocked, so it can be unlocked and released simply by pushing the handle member in the direction to open the sliding door. is there.

  According to the invention of claim 2, since the latch and the passive piece are provided on the support member, the configuration and manufacture are simple.

  According to invention of Claim 3, since the member attached to a doorside side downpile is attached collectively to one lock box, the appearance of the state attached to the sliding door looks simple, the attachment state is stabilized, It can be easily and firmly attached to the downpile.

  According to the invention of claim 4, in addition to the same effect as that of the invention of claim 1, the latch is formed in a block shape and is held up and down in the lock box, so that the locked state is highly stable. Is maintained.

  According to the invention of claim 5, since one of the urging member for urging the latch and the urging member for urging the handle member serves as the other, the configuration becomes simple and the cost can be reduced. However, when both urging members are used, the movement of the latch and the handle member becomes light.

According to the sixth aspect of the present invention, when the sliding door is closed indoors, a force is applied to the handle member and the baffle member is retracted to the permissible position, so that the hook enters the downpipe opening and engages with the latch. And locked. Therefore, it is automatically locked by simply closing the sliding door. Even if an elastic airtight material is attached to the vertical frame, it can be closed and locked with one hand. Then, when a force in the sliding door opening direction is applied to the locked handle member of the sliding door, the latch is moved to the unlocking position, so that the unlocking and the sliding door can be opened only by opening the door. .
Also, when closing the sliding door outside the door, the handle member is not operated, so even if the sliding door moves to the closed position, the baffle member is held in the baffle position, so the hook cannot enter the opening of the lock box. , Not locked. Therefore, for example, when a person who goes outside such as a deck closes the sliding door, there is no situation where the person is locked and cannot return to the room. Since the handle member of the sliding door that is closed cannot be operated from the outdoor side, it is not unlocked.

  According to the seventh aspect of the invention, the same effect as in the case of the sixth aspect of the invention can be obtained, and the hand member, the baffle member and the latch can be moved smoothly. Moreover, since the hook is fitted into the recess of the lock box and the latch is inserted, the wobbling of the sliding door during locking is reduced.

  According to the eighth aspect of the present invention, the locking prevention mechanism and the locking mechanism can be compactly accommodated in one lock box.

Next, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a view showing an example of the types of windows to which the sash locking device according to the present invention is applied. FIG. 1 (a) is a front view of a waist high window, and FIG. 1 (b) is a front view of a discharge window. In these figures, 1, 2; 3 and 4 are the upper and lower horizontal frames and the left and right vertical frames, respectively, constituting the window frame WF, and D1 and D2 are built in the window frame in a sliding manner. The sliding doors D1 and D2 have sliding doors D1 and D2, and the door end side vertical fences 5 and 6 and the door ends of the vertical frames 3 and 4 have a sash locking device L according to the present invention (hereinafter simply referred to as a locking device). .) Is attached.

  Needless to say, the locking device L is attached to a height position where a person standing on the floor of the room can easily unlock and lock it by hand in both the waist high window and the sweep window. And the length (height) of the handle member to be described later is arbitrarily long or short as desired, as shown in FIGS.

  Moreover, the application object of the locking device L according to the present invention is not limited to the sliding doors D1 and D2 of the window, as shown in FIGS. It can also be applied to a sliding door at the mouth. Hereinafter, the sliding door is simply called a door.

  2 to 4 are views showing an example of the locking device of the present invention mainly used for a waist-high window, FIG. 2 is a cross-sectional view of a vertical frame of a window frame and a vertical side of a door, and FIG. It is a figure which shows the external appearance of a box, (a) is the side view seen from the door stop surface side, (b) is the front view seen from the indoor side, FIG. 4 is the cross section of the principal part which shows the whole structure of a locking device. FIG.

  In FIG. 2, reference numeral 10 denotes a hook (locking member) provided on the door contact surface of the vertical frame 3. The hook 10 can be formed, for example, by cutting a material having a substantially T-shaped cross section into a short shape, or by bending a metal plate. And the hook 10 has the adhering part 11 contact | abutted and fixed to the vertical frame 3, and protrudes in the direction of the door D1 at a right angle from the adhering part. The hook 10 is preferably machined so that the tip has a curve or an inclination in order to allow the latch (locked member) 30 described later to get over smoothly.

  Moreover, in FIG. 2, 20 is the lock box attached to the indoor side part of the door-end side vertical gutter 5, and has the opening 21 in the side surface which faces the vertical frame 3, as shown in FIG. In addition, a recess 22 that opens in the indoor direction is provided in the center of the front side of the room. Between the front wall 23 and the back wall 24, it has the space 25 which can accommodate later-described components other than the hook 10 of a locking device. The concave portion 22 is provided with a hand-shaped handle member 26 having a hat-shaped cross-sectional shape so as to be movable in the horizontal direction within the concave portion, that is, to be movable in the distance from the vertical frame 3.

  The handle member 26 is formed by cutting a profile into the length shown in FIG. 1 (a) or (b). And the action piece 27 protrudingly provided on the back surface of the handle member 26 is penetrated through the horizontally long hole 28 formed in the front wall 23 on the bottom surface of the recess 22 of the lock box so as to be movable in its length direction. The handle member 26 is urged by a leaf spring 29 that is an urging member mounted between the side surface of the handle member 26 and the side surface of the recess 22, and the handle member 26 is stopped by hitting the end of the recess 22 on the side of the vertical frame. . Of course, the handle member 26 is held by a holding member (not shown) so as not to be removed from the recess 22.

  In the space 25 of the lock box 20, a support member 30 that extends from the vicinity of the end opposite to the opening 21 toward the opening 21 is provided. The support member 30 is formed in a hinge shape having two leaves, and one leaf is fixed to the back wall 24. As an example, a coil spring is interposed between the two leaves, so that the free end of the support member 30 is provided. The side is biased toward the front wall 23. And the latch 31 is integrally provided in the free end part of the support member 30 as an example. The latch 31 is formed in a block shape having an inclined surface 31 a on the vertical frame 3 side and a locking jaw 31 b on the opposite side to the vertical frame 3. Further, a taper block 32 is fixed to the support member 30 on the front side opposite to the vertical frame 3 with respect to the action piece 27 of the handle member 26. The tapered block 32 is formed in a wedge shape, and has an inclined surface that approaches the front wall 23 as the distance from the vertical frame 3 increases.

  The tip of the action piece 27 of the handle member 26 is brought close to or in contact with the support member 30, and the latch 31 is held near the center of the opening 21 of the lock box 20. When the door D1 is closed, the hook 10 is It is positioned so as to enter the opening 21 and the tip of the hook hits the inclined surface 31 a of the latch 31. Therefore, when the door D1 is closed, the tip of the hook 10 hits the inclined surface 31a of the latch 31, so that the latch 31 is moved to the back wall 24 side as shown by a chain line in FIG. 4, and the door D1 is further closed. When the latch sloping surface 31a gets over the tip of the hook 10 and the latching jaw 31b of the latch passes the tip of the hook, the locking jaw 31b is engaged with the hook 10 by the return of the support member 30. Stops and locks.

  That is, the latch 31 is automatically locked to the hook 10 and locked only by the operation of closing the door D1. In order to prevent rattling of the closed door D1, in a preferred example, a pressing member that presses against the hook 10 that has entered, for example, a leaf spring 33, is provided inside the vicinity of the opening 21 of the lock box 20. Yes. Reference numeral 34 denotes an attachment material for fixing the lock box 20 to the vertical gutter 5.

  Further, since the tapered block 32 is provided on the movement locus of the action piece 27, the direction in which the handle member 26 is separated from the vertical frame 3, that is, the direction in which the locked door D1 is opened (rightward in FIG. 4). ), The action piece 27 pushes the inclined surface of the tapered block 32 to push the support member 30 toward the back wall 24 of the lock box 20. Therefore, the latch 31 is also moved to the back wall 24 side, released from the locked state with the hook 10 and unlocked. Therefore, the door D1 can be opened by continuously pushing the handle member 26 away from the vertical frame 3. That is, it can be unlocked automatically only by opening the door D1.

  Although only the left door D1 in FIG. 1 is shown and described in FIG. 2-4, a similar locking device is attached to the right door D2. In the above example, since the hook 10 is provided on the indoor side of the support member 30 in FIG. 4, the support member 30 is biased in the indoor direction. The supporting member may be biased in the outdoor direction. When the locking device according to the present invention is attached, the conventional crescent lock is not necessary for locking, but it is preferable to install it together to ensure airtightness between the summoning baskets 7. The same applies to the embodiments described later.

  The latch 31, the support member 30 provided with the tapered block 32, and the handle member 26 can be attached to the vertical hooks 5 and 6 using an attachment member other than the lock box 20, but are accommodated in the lock box 20. Mounting is preferable because it is easy to mount and transport and does not give a messy impression on the exterior of the door after installation.

  5 to 7 are also diagrams showing another example of the locking device L of the present invention mainly used for a waist-high window. FIG. 5 is a cross-sectional view of a vertical frame and a door shaft side of a door, and FIG. 5 is a cross-sectional view taken along line AA in FIG. 5, and FIG. 7 is a cross-sectional view taken along line BB in FIG.

  Basically, as in the previous embodiment, this locking device has one hook 10E projecting from the door contact surface of the vertical frame 3, a lock box 20E attached to the door-end side vertical shaft 5, It consists of a latch 31E provided in the lock box and a handle member 26E for driving the latch.

  The hook 10 </ b> E is formed in a block shape, and is fixed to the vertical frame 3 at the fixing portion 11, and has a recess 12 that opens on the upper surface. The lock box 20E has a recess 21E that opens to the surface facing the hook 10E, and a latch 31E is housed in a chamber 35 formed in communication with the upper side of the recess so as to be movable up and down. The latch 31E is formed in a block shape, and an inclined surface 31aE similar to the inclined surface 31a of the latch 31 of FIG. 4 is provided on the hook 10E side of the lower end portion, and the latch 31 of FIG. The locking jaw 31bE is the same as the locking jaw 31b. Further, the latch 31E is provided with an inclined hole 31c which becomes lower at an upper portion thereof from the hook 10E, and a shaft 36 is slidably inserted in the inclined direction of the inclined hole 31c into the inclined hole 31c. The latch 31E is biased downward by a biasing member, for example, a leaf spring or a coil spring 31d, interposed between the top wall of the lock box 20E and the upper end surface of the latch 31E.

The lock box 20E has a recess 22E similar to the recess 22 of the lock box 20 of FIG. 4, and a handle member 26E that protrudes indoors in the recess has a shaft portion 37 provided at the end on the outdoor side. A horizontally long hole 28E formed in the bottom wall of the recess 22E is slidably inserted in the horizontal direction so as to be movable relative to the vertical frame 3. Then, a connecting member 38, one end of which is coupled to the shaft 36 of the latch 31E, extends to the position beyond the shaft 37 on the upper or lower surface of the shaft 37 protruding from the back surface of the handle member 26E. An engaging portion 38 ′ is formed by bending the other end portion in the front direction behind the shaft 37. The bottom wall of the recess 22E is formed with a similar laterally long hole 28E 'at a position symmetrical to the laterally long hole 28E with respect to the center in the height direction of the handholding member 26E. The movement stability of the handle member 26E is improved by slidably fitting a shaft (not shown) similar to the provided shaft 37.

  With the above configuration, the latch 31E is urged downward by the urging member 31d. Therefore, the shaft 36 is lowered until it is positioned at the upper end of the inclined hole 31c, and the lower portion of the latch 31E is shown in FIG. Thus, it protrudes in the recessed part 21E, and it is hold | maintained so that the inclined surface 31aE may exist in the same height as the upper end part vicinity of the hook 10E. In this state, when the door D1 is moved to the left in FIG. 6 and closed, the hook 10E enters the recess 21E of the lock box 20E, and the tip of the hook 10E hits the inclined surface 31aE of the latch 31E. Retracted, the hook 10E further enters the recess 21E. At this time, the engaging portion 38 ′ at the other end of the linking member 38 moves in a direction away from the vertical frame 3 from the shaft 37 of the handle member. And if it approachs to a predetermined position, the lower part of the latch 31E will fit in position with the recessed part 12 of a hook. Thereby, it locks. At the same time, the connecting member 38 is returned to the initial position by the cooperative action of the inclined hole 31c and the shaft 36, and the engaging portion 38 'is engaged with the shaft 37 of the handle member.

  Next, when a force in a direction away from the vertical frame 3 is applied to the handle member 26E of the closed door D1, that is, in a direction to open the door, the connecting member 38 is pulled in the same direction, so the shaft 36 and the inclined hole 31c. The latch 31E fitted in the recess 12 of the hook is lifted by the cooperative action, and is escaped from the recess 12 of the hook. That is, since it is unlocked, if a force is continuously applied to the handle member 26E, the force applied after the handle member 26E moves to the ends of the horizontally long holes 28E and 28E 'becomes a force for opening the door D1. Therefore, when the handle member 26E is pushed away from the vertical frame 3, the locking device is automatically unlocked and the door D1 can be opened. There is no need to perform the unlocking operation of the locking device and the door opening operation separately. And unlocking and opening can be done with only one hand operation.

Next, an embodiment in which the lock device L of the present invention is mainly applied to a sweep-out window will be described with reference to FIG. 8 and subsequent drawings.
FIG. 8 is a cross-sectional view of the vertical frame and the vertical side of the door, FIG. 9A is a side view as seen from the vertical frame side of the lock box, and FIG. 9B is a view from the indoor side of the lock box. FIG. 10 is a sectional view corresponding to the line CC in FIG. 9B, and FIG. 11 is a sectional view corresponding to the line DD in FIG. 9B. The same or corresponding members as those in FIGS. 2 to 4 are denoted by the same reference numerals.

  The locking device in this embodiment has the locking mechanism shown in FIG. 10 and the locking prevention mechanism shown in FIG.

  An opening 21 that is longer in the vertical direction than in the case of FIG. 4 is provided on the side surface of the lock box 20 ′ on the vertical frame side, and the concave portion 22 on the indoor side is continuous from the vicinity of the upper end of the front wall 23 to the vicinity of the lower end. Similarly, the handle member 26 provided in the recess is also extended in the vertical direction. The handle member 26 is urged in the perspective direction of the vertical frame 3 by urging members, for example, leaf springs 29 a and 29 b, which are mounted between the left and right side surfaces and the both side surfaces of the recess 22. It is held at the horizontal intermediate position.

  In this embodiment, the hook 10 on the vertical frame side having a length corresponding to the length of the opening 21 of the lock box 20 ′ is attached at a position where the hook 10 can enter the opening 21 of the lock box 20 ′. .

  On the back surface of the handle member 26, action pieces 27 a and 27 b are provided at two positions on the top and bottom of the handle member 26, and are slidably inserted into horizontally elongated holes 28 a and 28 b formed on the top and bottom of the bottom wall of the recess 22. , Protruding into the space 25 in the lock box 20 '.

  As shown in FIG. 10, a support member 30 similar to that in FIG. 4 is provided in the space 25 of the lock box 20 '. In this embodiment, the support member 30 is extended vertically in the space 25, and a locking mechanism having substantially the same configuration as that shown in FIG. It has been. The only difference is that leaf springs 29a and 29b are provided on both sides of the handle member 26, and the handle member 26 is held in the neutral position. When the handle member 26 is moved away from the vertical frame, the action piece 27a acts on the tapered block (first tapered block) 32a and the latch 31 is moved from the lockable position to the unlockable position. The point is also the same.

  As shown in FIG. 11, a baffle member 39 is provided at the free end of the support member 30 in the upper half of the support member 30. The baffle member 39 is formed in a rectangular parallelepiped shape, and is held at a baffle position that prevents the hook 10 from entering the opening 21 when the hooking member 26 is in an intermediate position.

A taper block (second taper block) 32b is provided at a position that is an intermediate position of the support member 30 and slightly closer to the vertical frame side than the action piece 27a on the back surface of the handle member 26. The tapered block 32b has an inclined surface that is closer to the front wall of the lock box 20 'as the side is closer to the vertical frame side. As a result, when the handle member 26 is moved in the direction of the vertical frame 3, the door D1 is closed, and the action piece 27b acts on the inclined surface of the tapered block 32b to move the support member 30 toward the back wall 24 of the lock box 20 ′. Therefore, the baffle member 39 is warped to the permissible position on the back wall 24 side, and the opening 21 is opened. Therefore, the hook 10 enters from the opening 21 of the lock box approaching the vertical frame 3. However, even if the door D1 is moved in the vertical frame direction without placing the hand on the handle member 26, the baffle member 39 remains held at the position where the opening 21a is obstructed, so that the hook 10 enters from the opening 21 of the lock box. Can not do it.
The above is the locking prevention mechanism.

With the above configuration, when applying a closing force to the handle member 26 of the open door D1 on the indoor side, the support member 30 moves in the direction of the back wall 24 via the action piece 27b and the tapered block 32b as described above. Since the baffle member 39 and the latch 31 are warped to the back wall side, the hook 10 can enter the opening 21 and the latch 31 of the door D1 to be closed gets over the hook 10 and is latched when the door is completely closed. 31 is engaged with the hook 10 and locked.
Further, when a force in the opening direction is applied to the handle member 26 of the closed door D1, the support member 30 is moved in the direction of the back wall 24 via the action piece 27a and the tapered block 32a, and the latch 31 is moved to the hook 10. Since the baffle member 39 is warped to the allowable position, the door D1 can be opened as it is.

  In the above configuration, the hook 10 may be divided and attached to one upper hook that matches the height dimension of the baffle member 39 and one lower hook that matches the height dimension of the latch 31. In addition, it is arbitrary which of the locking mechanism and the locking prevention mechanism is attached to the upper side.

  The locking device provided with the locking mechanism and the locking prevention mechanism can also be configured as in the examples shown in FIGS. 12 is a cross-sectional view of the vertical frame and the door-end side shaft, FIG. 13 is a vertical cross-sectional view of the hook and lock box of FIG. 12, and FIG. 14 is a cross-sectional view taken along the line EE of FIG.

  In this example, the same hook 12E and lock box 20E as the hook 12E and lock box 20E of FIG. 5 are used, and the upper side of the recess 21E of the lock box 20E has the same structure as that shown in FIGS. A locking mechanism is provided, and a baffle member 39E and a connecting member 38E shown in FIGS. 13 and 14 are provided as a locking prevention mechanism below the recess 22E, and an inclined hole 39a formed in the baffle member 39E is provided. A shaft 36E fixed to one end of the linking member 38E is slidably inserted, and an engaging portion 38'E provided at the other end of the linking member is provided at a position close to the vertical frame side of the handle member 26. Yes.

  With the above configuration, when a force in the closing direction is applied to the handle member 26 of the door D1, the connecting member 38E is moved toward the vertical frame 3 as shown in FIG. As a result of the cooperative action of 39a and the shaft 36E, the baffle member 39E present at the baffle position of the recess 22E is lowered as shown in FIG. 15B, and the hook 10E can enter the recess 21E of the lock box. Accordingly, when the door D is further moved in the closing direction, the hook 10E hits the inclined surface of the latch 31E and raises the latch. Therefore, when the latch 31E gets over the tip of the hook and matches the recess 12, the latch fits into the recess. Locked. That is, the latch is inserted into the hook and locked when the door is closed simply by pushing the handle member in the closing direction. Thereafter, when the hand is released from the handle member 26, the handle member 26 returns to the intermediate position as shown in FIG. At this time, the baffle member 39E is urged upward by the support member 30E '. However, since the baffle member 39E is only in contact with the lower surface of the hook 10E, it does not become an obstacle.

  On the other hand, when the door D1 is closed from the outdoor side, as shown in FIG. 15A, the baffle member 39E is held at the baffle position, so the hook 10E cannot enter the recess 21E. Therefore, it is not locked.

  Then, as shown in FIG. 16 (a), when a force in the opening direction is applied to the handle member 26 of the door D1 in the closed state and moved, the force is applied from the handle member 26 as shown in FIG. 16 (b). Since the latch 31E is raised through the connecting member 38, the shaft 36 and the inclined hole 31c of the latch, the door D1 can be opened as it is unlocked. The magic member 39E biased upward is merely in contact with the lower surface of the hook 10E, and therefore does not become an obstacle. When the hand is released from the handle member 26 after the door is opened, the handle member 26 returns to the intermediate position as shown in FIG.

It is a figure which shows an example of the kind of window to which the locking device for sashes concerning this invention is applied, (a) is a front view of a waist-high window, (b) is a front view of a discharge window. The cross-sectional view of the vertical frame of a window frame and the door-end side vertical fence of a door. It is a figure which shows the external appearance of a lock box, (a) is the side view seen from the door stop side, (b) is the front view seen from the indoor side. The cross-sectional view of the principal part which shows the whole structure of a locking device. The cross-sectional view of a vertical frame and the doorside side vertical fence of a door. AA line sectional view of Drawing 5. BB sectional drawing of FIG. Cross section of vertical frame and doorside side vertical fence (A) is the side view seen from the vertical frame side of a lock box, (b) is the front view seen from the room inner side of the lock box. Sectional drawing corresponding to CC line of FIG.9 (b). Sectional drawing corresponding to the DD line | wire of FIG.9 (b). Sectional drawing of a vertical frame and a door-end side vertical fence. The longitudinal cross-sectional view of the hook and lock box of FIG. EE sectional view taken on the line of FIG. The figure explaining the effect | action at the time of locking. The figure explaining the effect | action at the time of unlocking.

Explanation of symbols

L Locking device 3, 4 Vertical frame 5, 6 Door end side vertical hook 10 Hook 20, 20 ′, 20 E Lock box 21 Opening on the vertical frame side of the lock box 21 E Recess 22 on the vertical frame side of the lock box Indoor side of the lock box Recess 23 Front wall 24 Back wall 25, 25E Space 26, 26E Handle member 27, 27a, 27b Acting piece 29, 29a, 29b Leaf spring (biasing member)
30 Support members 31, 31E Latch 31aE Inclined surfaces 31E, 31bE Locking jaws 36, 36E Shafts 38, 38E Connecting members 39, 39E Baffle members

Claims (8)

  A hook projecting on the door contact surface of the vertical frame of the window frame, a latch attached to the door-side vertical fence of the sliding door and locked to the hook when the sliding door is closed, and the door-side vertical fence Is attached to the vertical frame so that it can be moved in the near and far direction, and is biased in a direction approaching the vertical frame, and can be operated from the inside of the room, and the handle member is moved in a direction away from the vertical frame. A sash locking device comprising: a support member that retreats the latch from a position where the latch can be locked to the hook to a position where the latch can be released in conjunction with the handle member. The latch has an inclined surface facing the hook direction and a locking jaw connected to the end of the inclined surface, and is provided at the tip of the support member. The support member is located at a position where the latch can be locked to the hook. When the sliding door is closed, the hook hits the inclined surface and the latch is retracted to a position where the locking can be released, and when the door is further closed, the locking jaw is engaged with the hook. Locked by stopping,
The support member has a passive piece having an inclined surface facing the hook direction at a position farther from the vertical frame than the handle member, and separates the handle member from the vertical frame with respect to the vertical side of the sliding door. 2. The device according to claim 1, wherein the inclined surface of the passive piece is pushed when moved in a direction, and the latch is unlocked by moving the latch back to a position where the latch can be released. Sash lock device.   The latch, the support member, the biasing member that biases the support member to a position where the latch can be locked, the handle member, and the biasing member that biases the handle member to a fixed position are Mounted in the lock box, the lock box is attached to the indoor side portion of the doorside side wall, and has an opening into which the hook enters when the sliding door is closed on the vertical frame side, and The sash locking device according to claim 1 or 2, further comprising a concave portion that opens to the indoor side and accommodates the handle member so as to be movable relative to the vertical frame. A hook projecting on the door contact surface of the vertical frame of the window frame and having a recess opening on the upper surface;
A lock box attached to the interior side of the vertical side of the sliding door and having a recess opening on the vertical frame side, and formed into a block shape, and is held in the lock box so as to be movable up and down above the recess. A latch that has an inclined surface facing the hook direction at the lower end, an inclined hole that becomes lower toward the side farther from the vertical frame, and is biased to protrude into the recess;
A handle member provided so as to be operable from the indoor side on the opposite side of the vertical frame with respect to the latch of the lock box, and provided so as to be movable relative to the vertical frame,
A biasing member that biases the handle member in the vertical frame direction;
One end is coupled to a shaft that is slidably inserted into the inclined hole of the latch, and the other end is linked to the handle member so as to be interlocked only with the movement of the handle member in the direction away from the vertical frame. A connecting member;
A sash lock device comprising:   5. The sash locking device according to claim 4, wherein the sash locking device serves as one of a biasing member that biases the latch and a biasing member that biases the handle member. A hook projecting from the door contact surface of the vertical frame of the window frame;
A support member that is movably provided in the indoor / outdoor direction in the vertical side wall of the sliding door, and is biased in any one of the indoor / outdoor directions;
It is attached to the interior surface of the door-end side vertical fence so as to be movable in the perspective direction with respect to the vertical frame, and to be returned to an intermediate position in the perspective direction with respect to the vertical frame after the movement. When moved in a direction away from and when moved in a direction approaching the vertical frame, a handle member that moves the support member from a fixed position in a direction opposite to the biasing direction;
A position that is provided at the end of the support member on the side close to the vertical frame at a height facing the hook, and that prevents the hook from entering the door-end side vertical fence at a fixed position of the support member. When the support member is moved in the direction opposite to the urging direction when the handle member is moved in a direction approaching the vertical frame, the hook is allowed to enter the door-end side fence. A baffle member moved to a position;
The end of the support member on the side close to the vertical frame has a height opposite to the hook, and is provided at a height different from that of the baffle member, and can be locked to the hook at a fixed position of the support member. When the support member is moved in a direction opposite to the urging direction when the handle member is moved in a direction away from the vertical frame, the hook member is moved to a position where the engagement with the hook can be released. And latch
Have
The hook, the support member, the handle member, and the baffle member constitute a locking prevention mechanism, and the hook, the support member, the handle member, and the latch constitute a locking mechanism. A sash locking device. A lock box having an opening on the vertical frame side and having a recess opening on the indoor side is attached to the interior side of the door side of the sliding door side of the sliding door, and the projection protruding into the recess of the lock box into the lock box A handle member having a piece is attached so as to be movable in the perspective direction with respect to the vertical frame and returned to an intermediate position in the perspective direction, and a support member is urged in the indoor direction so as to support the baffle member. When the member is in a fixed position, it is provided at a position that closes the opening in the lock box, and the handle member is moved in the direction of approaching the vertical frame or away from the vertical frame on the indoor surface of the support member. A tapered block which is pushed by the handle member to move the support member in the outdoor direction against the urging force, and has an inclined surface facing the hook direction and a locking jaw connected to an end of the inclined surface. A latch provided with the support member; Provided at the ends of the frame side,
When the sliding door is closed, the hook hits the inclined surface of the latch to move the latch to a position where the locking with the hook can be released, and when the sliding door is further closed, the locking jaw is engaged with the hook. Locked by stopping,
When opening the sliding door, it is unlocked by moving the latch to a position where the latch can be released via the tapered block when the handle member is moved away from the vertical frame. The sash locking device according to claim 6, wherein It consists of a locking prevention mechanism and a locking mechanism.
A hook projecting on the door contact surface of the vertical frame of the window frame and having a recess opening on the upper surface;
A lock box attached to the interior side of the vertical side of the sliding door and having a recess opening on the vertical frame side, and formed into a block shape, and is held in the lock box so as to be movable up and down above the recess. A latch having an inclined surface facing the hook direction at the lower end, and an inclined hole that becomes lower toward the far side from the vertical frame, and is biased so that the lower end protrudes into the recess;
It is formed in a block shape, and is held in the lock box so as to be movable up and down on the lower side of the recess. A baffle member that is energized,
A handle member provided so as to be operable from the indoor side on the opposite side of the vertical frame with respect to the latch of the lock box, and provided so as to be movable relative to the vertical frame,
An urging member for urging the handle member in both the near and near directions with respect to the vertical frame and holding it in an intermediate position;
A first connecting member having one end coupled to a shaft slidably inserted into the inclined hole of the latch and the other end engaged on the opposite side of the vertical frame of the handle member;
A second connecting member having one end coupled to a shaft slidably inserted into the inclined hole of the baffle member and the other end engaged on the same side as the vertical frame of the handle member;
A sash lock device comprising:

Images