JP5697392B2 - Locking device for sliding door - Google Patents

Description

  The present invention relates to a locking device for a sliding door that locks such a sliding door with a simple structure when a sliding door is installed outside or inside a mere opening provided in a wall, a partition or the like in an adjacent room. . In more detail, it can be easily attached to an existing building by renovation, etc., and when there is a bathroom changing room or washroom inside, it can be easily locked from the inside, and a person inside The present invention relates to a locking device for a sliding door having a simple structure and having many uses, including an indicator and an emergency unlocking means that can recognize from the outside (for example, the corridor side) whether or not there is.

  In recent condominiums, etc., as the use of space becomes more efficient, for example, the walls are not completely formed on the boundary between the kitchen and the living room, or on the boundary between the corridor and the washroom or the changing room of the bathhouse. There is a strong tendency to not use private rooms. However, some users have a strong desire to protect the privacy by providing a door at the boundary. Therefore, there is a strong demand to provide doors by options and renovation at the time of new construction, but in order to provide doors and sliding doors between the walls, a frame is formed in the space between the walls. It is necessary to provide two sliding doors or a revolving door with one end as a fulcrum. However, providing a frame and forming two sliding doors so that they are pulled apart, or forming a knob-type door is originally not expensive because it is not preferable for space use. So it's not practical.

  Therefore, for example, in order to cover the opening between the walls between the bathroom and the corridor, a sliding door can be slid by providing a rail on the inside (toilet side) or outside (the hallway side) along the wall. The opening between the walls is covered with a sliding door. In this case, there is a case that you do not want to be entered by others when you are using a washroom, etc., and there is a request that you want to lock, but there is only one sliding door and the opponent is a wall Therefore, it is difficult to attach the lock device. The case where the sliding door is provided on the inner side (toilet side) with respect to the wall surface is referred to as an inset sliding door, and the case where it is provided on the outer side (hallway side) of the wall surface is referred to as an outset sliding door.

  As an example of locking to a frame with such an outset sliding door, for example, a structure as shown in FIG. 7 is known (see, for example, Patent Document 1). In this structure, a through hole is formed in the sliding door 51, and a stopper 53 is accommodated in a seesaw manner so that the sliding door 51 can protrude and retract, and is urged by a spring 54 so that the stopper 53 protrudes outward. It can be locked to the side).

JP 2006-299679 A

  In the locking device as described above, in FIG. 7, if there is a pillar or the like at the left end of the sliding door 51, the sliding door 51 is fixed, but there is no pillar or frame at the left end (when it is free). Can not fix the sliding door firmly. Moreover, although this structure can be applied to an outset sliding door, there is a problem that it cannot be applied to an inset sliding door.

  The present invention has been made in view of such a situation, and can be similarly attached to either an inset sliding door or an outset sliding door, and can be attached to one end of the sliding door. An object of the present invention is to provide a sliding door locking device that can completely lock a sliding door with a simple structure without a pillar.

The locking device for a sliding door according to the present invention is a sliding door locking device that locks and unlocks between a sliding door composed of an inset sliding door or an outset sliding door and a wall side surface adjacent to the sliding door, the sliding door and the wall. A first engagement member provided on any one of the side surfaces, and a second engagement member provided on a portion facing the first engagement member on the other of the sliding door and the side surface of the wall. The first engaging member is attached to a first box body whose upper surface is open and a pedestal provided in the first box body, and the pedestal slides in the first box body by an external force. And a shaft provided so as to be able to freely protrude from the first box and to be housed in the first box, and provided on the upper surface of the first box, Providing a through hole that can penetrate the protrusion And the second engagement member includes a second top plate having a fitting hole that can be fitted to the protrusion of the first engagement member, and the second top plate. When the sliding door is the inset sliding door, the first engaging member is attached to the sliding door. mounted in a through hole formed in, attached to the second engagement member attached to said wall side surface, when the sliding door is the outset sliding door, the first engaging member is the wall side The second engagement member is mounted in a through hole formed in the sliding door, and the protrusion of the first engagement member protrudes to fit the fitting hole of the second top plate. in the structure for locking said projections can be locked from the inside of the sliding door

  In addition, the wall side means the side of the frame when it is provided not on the wall directly, but when the frame is provided, and when the pillar is provided on the opening side of the wall. , Meaning the side of the pillar, etc., the key is the interface between the wall and the opening. In addition, the top surface or the top plate is simply the direction in which the protruding portion of the shaft protrudes upward for convenience. In this case, the opposite direction is called the bottom surface or the bottom plate, but the vertical direction can be defined in reverse. Needless to say.

On the opposite side of the case from the second top plate, when the projection of the first engagement member is inserted into the case , a display unit indicating insertion of the projection is provided. It is preferable because it can be easily recognized whether someone is present from the outside.

  The first engagement member includes the shaft and an unlocking member, and the projection is fixed on the base of the shaft, and the base is slid within the first box by an external force. The unlocking member is provided in the second box in parallel with the base, and the base and the unlocking member perform a seesaw motion. The center portion is engaged with both ends of the supported seesaw member so that the shaft can be protruded and stored only by the pressing force. Since it can be locked, it is preferable in that it is easy to use.

  The second engagement member has a rotating body in the case, and the rotating body is rotatably provided by a semicircular semicircular plate having a rotation shaft provided at the center of a circle. When the protrusion of one engaging member enters the case, the protrusion is formed so that the rotating body rotates, and the bottom plate opposite to the second top plate of the case A window portion where the peripheral portion of the rotating body can be seen is formed, and the peripheral portion of the rotating body is in a state before the rotating body is pressed by the projecting portion, and a state in which the rotating body is pressed and rotated by the projecting portion. It can be made the structure where the display part which can identify is provided.

  The rotating body is divided into two so as to have a gap at a portion facing the projection of the first engagement member, and the bottom plate of the second engagement member at a position facing the gap. Since the through-hole is formed, the locked state can be released by inserting a pin from the through-hole even when an emergency occurs with the inside being locked.

  Specifically, the sliding door is an inset sliding door, the first engaging member is attached to the sliding door, and the second engaging member is attached to the wall side surface, and the sliding door is out. The sliding door is a set sliding door, and the second engaging member is attached to the sliding door, and the first engaging member is attached to the wall side surface.

  According to the locking device of the present invention, even in a structure in which either an inset sliding door or an outset sliding door is provided depending on the structure of an apartment or the like, and the inset sliding door is not fixed by a pillar or the like on one side, Even when the door is opened and closed in a free state, when the sliding door is closed and locked (locked), it can be reliably locked from the inside.

  In addition, it is preferable that a display unit for indicating whether or not the second engagement member is locked is provided, so that it is possible to immediately recognize whether or not there is a person when viewed from the outside. Furthermore, since the through hole (through hole) for releasing the lock is formed in the second engagement member, the locked state can be easily released from the outside even if an emergency occurs. .

  Further, the unlocking member is provided on the first engaging member, and the base supporting the protruding portion of the shaft and the unlocking member are engaged by the seesaw member so as to perform the seesaw motion. For example, the protrusion of the shaft is pushed out into the second engaging member and locked, and if the unlocking member is pressed, the pedestal is lowered by the seesaw motion, and the protrusion is released from the second engaging member and unlocked. Since it can be locked and unlocked only by pressing operation, it can be operated very easily.

It is plane explanatory drawing of the state which attached the locking device of this invention to the sliding door and the wall side surface. It is the longitudinal cross-sectional explanatory drawing of the II-II line | wire of FIG. 1, The state which attached the 1st engaging member which is one Embodiment of the locking device of this invention to the sliding door, and attached the 2nd engaging member to the wall side surface. FIG. FIG. 3 is a perspective explanatory view and a bottom view of the first engagement member 10 shown in FIG. 2. It is sectional explanatory drawing which shows the state which is not locked with the locking device shown by FIG. 2, and the state locked. FIG. 3 is an explanatory perspective view showing a state where the locking device shown in FIG. 2 is not locked and a state where the locking device is locked. It is a figure which shows the display part seen from the baseplate side of the 2nd engagement member shown by FIG. It is explanatory drawing which shows an example of the locking device for the conventional outset sliding door.

  Next, the locking device for a sliding door according to the present invention will be described with reference to the drawings. As shown in FIG. 1, the locking device for an inset sliding door according to the present invention includes an inset sliding door 31 provided with a sliding door inside a wall 32 (for example, a toilet side), and a wall 32 adjacent to the sliding door 31. In the example shown in FIG. 1, the first engagement member 10 is provided on the sliding door 31, and the wall side surface 32 a is a portion facing the first engagement member 10. A second engagement member 20 is provided on the front side. As shown in FIGS. 2 and 3, the first engagement member 10 is provided in the first box body 12 having an open upper surface and the first box body 12. A shaft 13 provided so as to be able to freely project and store from the box 12 to the outside and a through hole 11a provided on the upper surface of the first box 12 and penetrating the protruding portion 13a of the shaft 13 are provided. The first top plate 11 is provided. The second engagement member 20 includes a second top plate 21 having a fitting hole 21a that can be fitted to the protrusion 13a of the first engagement member 10, and the second top plate 21 on the upper surface. And a case 22 that can accommodate the protruding portion 13a. And it is the structure which latches the fitting hole 21a and the projection part 13a of the 2nd top plate 21 by making the projection part 13a of the 1st engagement member 10 protrude.

  In the example shown in FIG. 2 and FIG. 3, the first engaging member 10 retracts the protruding portion 13 a only by the same pressing force as the protruding portion when retracting not only the shaft 13 portion but also the protruding portion 13 a. For this purpose, another second box 14 is provided adjacent to the first box 12, and an unlocking member 15 is provided in the second box 14. In this case, the 1st box 12 and the 2nd box 14 can also be formed in one.

  As shown in FIG. 3, the shaft 13 is provided with, for example, a rod-like protrusion 13a on a pedestal 13c. In the example shown in FIGS. 2 and 3, a plate-like shoulder portion 13b is integrally formed in parallel with the protruding portion 13a, but the shoulder portion 13b may not be provided. The length of the protrusion 13a varies depending on the thickness of the door and the distance between the sliding door 31 and the wall 32, but is formed to have a length of about 20 to 30 mm, for example, and the step between the tip of the protrusion 13a and the shoulder 13b. Is formed to be, for example, about 10 to 15 mm.

  The pedestal 13c also functions as an operation unit that projects and retracts the protrusion 13a while guiding the protrusion 13a in the first box 12. Therefore, the pedestal 13c is provided so as to be exposed from the bottom plate 12a of the first box 12 as shown in the bottom view of FIG. 3B. If a pressing force is applied to the pedestal 13c, the pedestal 13c is When pushed up, the protrusion 13 a protrudes from the through hole 11 a of the first top plate 11. Therefore, if the 2nd engagement member 20 is arrange | positioned at the side from which this projection part 13a protrudes, it will latch to the fitting hole 21a of the 2nd top plate 21, and will be locked.

  If a knob or the like is attached to the back side of the pedestal 13c and pulled, the projection 13a can be pulled back and unlocked. As described above, in the example shown in FIGS. Since the member 15 is provided and the pedestal 13c and the unlocking member 15 are engaged with both ends of the seesaw member 16, the protrusion 13a protrudes, that is, when the pedestal 13c is pressed, the unlocking is performed. The member 15 is on the bottom plate 12a side. When the unlocking member 15 is pushed in, the pedestal 13c is lowered by the seesaw member 16, and the protrusion 13a is housed in the first box 12 and unlocked. In this pedestal 13c, convex portions 13d are formed on opposite side walls so as to guide the inside of the first box 12, and along the grooves 12b (see FIG. 3) formed in the first box 12. The side wall that moves and is shifted from the side wall by 90 ° is provided with a convex portion 13e (see FIG. 3) that engages the seesaw member 16, and guides the movement of the convex portion 13e caused by the movement of the seesaw member 16. A groove 12c (see FIG. 3) is formed. Further, the unlocking member 15 is also provided with a convex portion 15e that engages with the seesaw member 16, and the second box 14 is also formed with a groove 14c. The convex portion 15d for guiding the unlocking member 15 and A guide groove 14 b is formed in the second box 14.

  The first box 12 is provided as a guide for the vertical movement of the pedestal 13c, and a bottom plate 12a is integrally formed on the bottom surface of the first box 12 and functions as a mounting plate. As described above, the bottom plate 12a is perforated so that the base 13c and the unlocking member 15 are exposed.

  As described above, the first top plate 11 is formed with a through hole 11a. In the example shown in FIGS. 2 to 3, the shoulder 13 b is formed on the shaft 13 in addition to the protrusion 13 a, so that one of them is formed in an elliptical shape with a long diameter so that both of them penetrate. If only the protrusion 13a is penetrated, it may be formed in a shape that matches the outer shape of the protrusion 13a.

  As shown in FIGS. 2 and 4 to 6, the second engagement member 20 is formed with a fitting hole 21 a so as to be engaged with the protrusion 13 a of the first engagement member 10 (see FIG. 2). In the example shown in FIG. 2A, the shoulder portion 13b in addition to the projecting portion 13a is also formed so as to be engaged with the fitting hole 21a. The top 22 is covered with a case 22 whose upper surface is covered. In the case 22, a semicircular rotating body 23 is provided so as to be rotated by the protrusion 13a. .

  As shown in the perspective view of FIG. 5A, the rotating body 23 is a semicircular semicircular plate provided with a rotating shaft 23a at the center of a circle, and is provided on a side wall facing the case 22 so as to be freely rotatable. ing. Since the rotating body 23 has a semicircular shape, the convex portion 23b is lowered by its own weight and is stable, but in this embodiment, the distance between the rotating shaft 23a and the second top plate 21 is the distance of the rotating body 23. Since it is smaller than the radius, it stops by hitting the second top plate 21, and the flat surface portion, which is the diameter portion of the rotating body 23, does not become completely horizontal but remains stationary (FIG. 5 (a)). reference). Therefore, when the protrusion 13a of the first engagement member 10 is inserted, the protrusion 13a is pressed against the flat surface portion of the rotating body 23 to rotate around the rotation shaft 23a, and the arc portion (peripheral portion) is rotated. Lifts upward (see FIG. 5B). In a state where such a protruding portion 13a is inserted into the case 22, the protruding portion 13a and the fitting hole 21a formed in the second top plate 21 are locked, and the sliding door 31 can move in either direction. It cannot be locked.

  Since the rotating body 23 is provided with the semicircular portion and the rotating shaft 23a as described above, an integral shape in which the inserting portion of the rotating shaft 23a is formed can be formed of a plastic molded body or the like. And it can form by inserting and fixing rotating shafts 23a, such as a metal rod. In the example shown in FIG. 5, the rotating body 23 is not a single semicircular plate, but is formed by two circular plates 231 and 232 in which a gap is formed at the center in the thickness direction. Thus, by dividing the rotating body 23 into two pieces and forming a gap at the center in the thickness direction, there is no obstacle in front of the protrusion 13a inserted in the center, so that the protrusion By forming a through-hole 22c (see FIG. 6) in the bottom plate 22a of the case 22 facing the portion 13a, the projection 13a can be pushed by a thin rod through the through-hole 22c. Can be unlocked.

  As shown in FIG. 5, the rotating body 23 is further provided with display portions 23 c and 23 d on the peripheral edge (outer peripheral surface) along the circumference. The display units 23c and 23d may be simple color displays such as the blue display unit 23c and the red display unit 23d, or may be character displays such as “out” and “on”, and a display method that can distinguish between the two. Anything is acceptable. Such display portions 23c and 23d are formed, and a window portion 22b is formed on the bottom plate 22a so that the peripheral portion of the rotating body 23 can be seen from the outside (the bottom plate 22a side opposite to the second top plate 21). For example, as shown in FIG. 5A, when the protrusion 13 a is not inserted into the case 22, the semicircular portion of the rotating body 23 is lowered and the peripheral portion of the rotating body 23. Since the upper end portion of the blue light is visible from the window portion 22b, the blue display portion 23c is recognized (see FIG. 6A), and it is recognized that it is not locked. Further, as shown in FIG. 5B, when the protrusion 13a is inserted, the rotating body 23 is pushed to rotate around the rotating shaft 23a, and the red display is displayed in the middle of the peripheral portion. It can be recognized from the outside that the portion 23d is recognized from the window portion 22b (see FIG. 6B) and locked.

  In addition, although the convex part 23b is formed in the peripheral part of the rotary body 23, in order to produce this convex part 23 so that the rotary body 23 may return at the substantially same speed as the speed which the protrusion part 13a slips out from the inside of the case 22. It is a weight.

  Next, the operation of this locking device will be described with reference to FIGS.

  First, as shown in FIG. 4A and FIG. 5A, in the state where the sliding door 31 is closed and not locked, the protrusion 13 a of the first engagement member 10 is the first box 12. It is stored inside. At this time, as shown in FIG. 3A, the unlocking member 15 is positioned above the second box 14 while being pushed up. In addition, the second engagement member 20 is in a state where the semicircular portion of the rotating body 23 is lowered by its own weight, and the display portion has a blue display portion 23c as a window portion as shown in FIG. Appears at 22b, indicating that it is unlocked.

  Next, as shown in FIG. 4B and FIG. 5B, when the pedestal 13c of the first engagement member 10 is pushed, the convex portion 13d provided on the pedestal 13c becomes the first box. 12, slides along the groove 12 b, and the protrusion 13 a is lifted, passes through the through hole 11 a of the first top plate 11, enters into the fitting hole 21 a of the second top plate 21, and is locked. . At this time, as shown in FIG. 4B, the rotating body 23 rotates with the intrusion of the protruding portion 13a, and the red display portion 23d at the peripheral portion appears in the window portion 22b (see FIG. 6B). . That is, it can be recognized from the outside (the corridor side) that a person is inside and is locked. When the pedestal 13c is pushed, the unlocking member 15 of the first engaging member 10 is lowered to the bottom plate 12a side by the seesaw motion by the seesaw member 16, and is in the state shown in FIG. To unlock from this state, by pushing up the unlocking member 15, the pedestal 13 c is lowered by the seesaw motion, and the protruding portion 13 a is accommodated in the first box 12, and the state shown in FIG. Returned and unlocked. That is, locking and unlocking can be easily performed only by a pressing operation from the bottom plate 12a side of the first engagement member 10.

  In addition, in order to attach the first engaging member 10 and the second engaging member 20 to the sliding door and the wall side surface 32a, in the case of the sliding door 31, the first engaging member 10 or the second engaging position at the mounting position of the sliding door 31. A through hole matching the size of the engaging member 20 (first engaging member 10 in the case of an inset sliding door) may be formed and installed in the through hole. Moreover, when attaching to the wall side surface 32a, as shown in FIG. 2, the first engaging member 10 or the second engaging member 20 (the second engaging member 20 in the case of an inset sliding door) is used. Since it is necessary to attach the side surface to the wall side surface 32a, a side bracket (horizontal cover) 35 having a U-shape covering the three side surfaces of the first engagement member 10 or the second engagement member and having flanges at both ends. And can be easily attached by attaching the flange portion of the bracket to the side surface of the wall.

DESCRIPTION OF SYMBOLS 10 1st engagement member 11 1st top plate 12 1st box 13 Shaft 13a Projection part 13c Base 14 2nd box 15 Unlocking member 16 Seesaw member 20 2nd engagement member 21 2nd Top plate 21a Fitting hole 22 Case 22a Bottom plate 22b Window portion 22c Through hole 23 Rotating body 23a Rotating shaft 23c Blue display portion 23d Red display portion 31 Sliding door 32 Wall 32a Wall side surface

Claims (5)

A locking device for a sliding door that locks and unlocks between a sliding door composed of an inset sliding door or an outset sliding door and a wall side surface adjacent to the sliding door, and is provided on either the sliding door or the wall side surface. A second engagement member provided at a portion facing the first engagement member on the other of the sliding door and the wall side surface,
The first engaging member includes a first box body whose upper surface is opened, attached to a pedestal provided on the box body of the first slide to Rukoto the first box body pedestal is by an external force And a shaft provided so as to be able to freely protrude from the first box and to be housed in the first box, and provided on the upper surface of the first box, It is a structure having a first top plate provided with a through hole that can penetrate the protrusion,
The second engagement member is provided with a second top plate having a fitting hole capable of fitting with a projection of the first engagement member, and the second top plate is provided on an upper surface, and the projection Is a structure having a case that can store the part,
When the sliding door is the inset sliding door, the first engaging member is attached to the inset sliding door in a through hole formed in the sliding door, and the second engaging member is attached to the side wall surface. When the sliding door is the outset sliding door, the first engaging member is attached to the side wall surface, and the second engaging member is mounted in a through hole formed in the sliding door, by projecting the projection of the first engagement member, a structure for locking said second top plate fitting Goana with the protrusions, for sliding doors that Ru can be locked from the inside of the sliding door Locking device. A display portion is provided on the opposite side of the case from the second top plate to indicate insertion of the protrusion when the protrusion of the first engaging member is inserted into the case. Item 10. A sliding door locking device according to Item 1. The first engagement member includes the shaft and an unlocking member, and the projection is fixed on the base of the shaft, and the base is slid within the first box by an external force. The unlocking member is provided in the second box in parallel with the base, and the base and the unlocking member perform a seesaw motion. 3. The sliding door according to claim 1, wherein the shaft is engaged with both ends of the seesaw member supported at the center so that the shaft can be protruded and stored only by pressing force. Locking device. The second engagement member has a rotating body in the case, and the rotating body is rotatably provided by a semicircular semicircular plate having a rotation shaft provided at the center of a circle. When the protrusion of one engaging member enters the case, the protrusion is formed so that the rotating body rotates, and the bottom plate opposite to the second top plate of the case A window portion where the peripheral portion of the rotator is visible is formed, and the peripheral portion of the rotator has a state before the rotator is pressed by the protrusion and a state where the rotator is pressed by the protrusion and rotated. The locking device for sliding doors according to any one of claims 1 to 3, further comprising a display unit that can be identified. The rotating body is divided into two so as to have a gap at a portion facing the projection of the first engaging member, and a through hole is formed in the bottom plate at a position facing the gap. The sliding door lock device according to claim 4.

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