JP4769751B2 - Sliding door lock device - Google Patents

Description

  The present invention is a sliding door locking device of a type that locks and unlocks by moving the locking tool up and down, and is suitable for use in a so-called outset sliding door that is externally attached to a building opening. .

Conventionally, a sliding door locking device of a type that locks and unlocks by moving a sickle lock piece up and down from a prospective surface of a sliding door by moving the locking tool up and down as in the invention of JP 2000-8671 A has been proposed. Yes. Moreover, as disclosed in Japanese Patent Application Laid-Open No. 2005-163294, a sliding door lock that causes a lock bar to appear and retract in a direction orthogonal to the sliding door opening / closing direction by rotating a thumb turn that is a locking tool, and a door opening that faces the sliding door lock There has also been proposed a sliding door locking device in which a lock receiving recess is formed at the opening edge of the part, and a lock rod is engaged with and disengaged from the lock receiving recess.
JP 2000-8671 A JP 2005-163294 A

  In the former conventional example, when applying to an outset sliding door, a sickle holder of a sickle lock piece must be attached to the wall surface so as to be positioned on the expected surface of the sliding door. There is a problem that it greatly protrudes and impairs aesthetics, and also interferes with walking. Further, the latter conventional example that solves this problem is to lock and unlock by rotating the locking device, but the locking device is not protruded from the surface of the sliding door so that it can be pulled normally. In many cases, the locking device cannot be made large, so that the operability is not good, and there is a problem that it is difficult to operate especially for elderly people.

  An object of the present invention is to solve these problems and to attach the sliding door in correspondence with the right and left hand of the sliding door.

  In order to solve the above-mentioned problems, the present invention has a lock body in which a lock piece guided by a guide tool protrudes and retracts in a direction perpendicular to the sliding door opening / closing direction by moving the locking tool up and down, and the lock piece protrudes. It consists of a receiving tool that engages, and when the locking tool moves up and down, the transmission tool moves up and down via the actuator, and the transmission tool can be attached even if the conversion tool that moves up and down is reversed. The conversion tool is provided with a guide hole extending in the oblique direction, the guide tool is provided with a guide hole extending in the lateral direction, and the guide hole and the guide hole are provided so as to intersect with each other and engage with the lock piece. The pin is provided so as to penetrate through the intersection, and when the conversion tool moves up and down, the linkage pin is guided by the guide hole and the guide hole and moves in the lateral direction so that the lock piece appears and is unlocked and unlocked. If the converter is turned upside down and the direction of the guide hole is reversed, To, by a projecting direction of the lock piece in the reverse, which is constituted to be able to protrude the lock pieces in the opposite direction.

  In the present invention, by moving the locking tool up and down, the locking piece can be moved in and out in the direction perpendicular to the sliding door opening and closing direction, so that the locking and unlocking operation is simple and easy for the elderly and the like. Thus, it is possible to provide a sliding door locking device having both the effect of the above and the effect that it is possible to suppress the deterioration of the aesthetic appearance, without requiring that the holder of the lock piece be greatly protruded from the mounting wall surface.

  The lock body 1 pivotally supports the operating tool 6 on the lock box 5, and the locking piece 10 guided by the guide tool 9 through the transmission tool 7, the conversion tool 8, and the linkage pin 13 is arranged in the opening / closing direction of the sliding door H. The surface is covered with a surface plate 11 and fixed to the sliding door H with screws 30 and 30. Moreover, in order to hide the notched part of the sliding door H in the case of attachment, the makeup | decoration plate 12 which opened the hole in which the lock piece 10 protrudes and appears is attached.

  The operating tool 6 has one end protruding from the rear of the lock box 5 to provide a link hole 28 and the other end connected to the transmitting tool 7. The transmitting tool 7 can be moved up and down, and two on the front upper and lower parts. The bosses 16 and 16 are erected, and the boss holes 18 and 18 of the conversion tool 8 are engaged with the bosses 16 and 16.

  The conversion tool 8 has a square plate shape and is provided with guide holes 17 obliquely between the boss holes 18, 18. The guide holes 17 have straight portions extending vertically outward at the upper and lower ends. The conversion tool 8 is configured such that the boss holes 18 and 18 engage with the bosses 16 and 16 and move up and down together with the transmission tool 7. 16 and the guide hole 17 is designed such that its inclination is reversed.

  The guide device 9 is fixed to the lock box 5 with screws 29 and 29 so as to be positioned on the front surface of the conversion device 8, and the back plate portion 15 is provided with a horizontally long guide hole 19 in the center, and the front upper and lower portions. Guide grooves 20 and 20 are provided opposite to each other. When the guide tool 9 is fixed to the lock box 5, the guide hole 19 intersects the guide hole 17 of the conversion tool 8.

  The lock 10 is provided with protrusions 21 and 21 at the upper and lower ends of one end thereof, is slidably guided in the guide grooves 20 and 20 of the guide 9, and the rear surface has an engagement hole 22 with which the linkage pin 13 engages. Is provided. The linkage pin 13 engages with the guide hole 17 of the conversion tool 8, penetrates the guide hole 19 of the guide tool 9, and engages with the engagement hole 22 of the lock piece 10.

  The handle 3 is disposed on the indoor side, and the locking device 14 is provided on the upper portion in the handle portion 23 so as to be movable up and down. The handle 4 is disposed on the outdoor side and faces the handle portion 23. A handle 24 is provided, and a display window 25 is provided above the handle 24. An emergency unlocking piece 26 is provided at the display window 25 so as to be movable up and down. And the locking tool 14 and the emergency unlocking piece 26 are connected with the interlocking bar 27, and move up and down together. The interlocking bar 27 is inserted into the link hole 28 of the operating tool 6, and when the locking tool 14 or the emergency unlocking piece 26 is moved up and down, the operating tool 6 is rotated by the interlocking bar 27.

  When used for a left-handed sliding door H as shown in FIG. 1, as shown in FIGS. 4 and 5, the conversion tool 8 is connected to the bosses 16, 16 so that the guide hole 17 is directed from the upper right to the lower left. The boss holes 18 and 18 are engaged with each other and attached to the transmission tool 7. Then, the protrusions 21 and 21 are engaged with the guide grooves 20 and 20 so as to protrude to the left when viewed from the viewing surface of the lock piece 10, and are attached to the guide tool 9. And the other end is engaged with the guide hole 17, and the guide 9 is fixed to the lock box 5 with screws 29 and 29.

  A method of changing from left-handed to right-handed sliding doors will be described. 7 is removed, the guide tool 9 is removed, the linkage pin 13 is pulled out (the state shown in FIG. 8), the conversion tool 8 is removed, the front and back are reversed, and the guide hole 17 is moved from the upper left to the lower right. In this manner, the boss holes 18 and 18 are engaged with the bosses 16 and 16 and attached to the transmission tool 7. Further, the guide 9 to which the lock piece 10 is attached is turned upside down, or only the lock piece 10 is removed from the guide grooves 20 and 20 and turned upside down and attached to the guide grooves 20 and 20, so that the lock piece 10 protrudes. When the guide 9 is attached with the direction reversed (state shown in FIG. 9), the lock 10 protrudes in the reverse direction (right side when viewed from the prospective surface) and can be changed to a right-handed sliding door (FIG. 10). State).

  The locking operation in the case of the left-handed sliding door H will be described. At the time of unlocking, one end portion of the operating tool 6 provided with the linkage hole 28 is in the upper position, the transmitting tool 7 and the converting tool 8 are lowered, and the lock 10 is retracted (see FIGS. 5 and 11). State), when the locking tool 14 is lowered from this state, the interlocking bar 27 pushes down the linkage hole 28 and rotates the other end of the operating tool 6 upward, so that the transmitting tool 7 and the converting tool 8 move upward. Then, the linkage pin 13 is guided to the guide hole 17 of the conversion tool 8 and the guide hole 19 of the guide tool 9 and moves to the left, and the lock piece 10 engaged with the linkage pin 13 moves to the left. It moves and protrudes from the sliding door H (state of FIG.2, FIG6 and FIG.12). And this lock piece 10 engages with the holder 2, and the sliding door H will be in a locked state.

  Next, the unlocking operation will be described. When the locking tool 14 is lifted from the above state (the state shown in FIGS. 2, 6 and 12), the interlocking bar 27 pushes up the connecting hole 28 and the other end of the operating tool 6 is rotated downward. And the conversion tool 8 moves downward. Then, the linkage pin 13 is guided by the guide hole 17 of the conversion tool 8 and the guide hole 19 of the guide tool 9, moves to the right when viewed from the expected surface, and is a lock piece engaged with the linkage pin 13. 10 moves to the right and retracts to enter the unlocked state (the state shown in FIGS. 5 and 11).

  About the locking / unlocking operation in the case of the right-handed sliding door H, the left / right movement of the lock piece 10 is only reversed from that in the case of the left-handed person described above.

The whole perspective view which shows the unlocking state attached to the sliding door. The perspective view of the principal part which shows the locking state attached to the sliding door. The disassembled perspective view of the state which removed the surface board. FIG. The front view of the unlocked state which removed the surface plate and the guide tool (the lock piece is drawn with the virtual line). The front view of the locked state which removed the surface board and the guide tool (the lock piece is drawn with the virtual line). 7 to 10 are perspective views showing the process of changing the right and left hand, with the surface plate removed. The perspective view when using it for the left-handed sliding door. The perspective view of the state which removed the guide tool from the state of FIG. The perspective view of the state which reversed the protrusion direction of the lock piece from the state of FIG. 8, and reversed the front and back of the conversion tool, and reversed the inclination of the guide hole. The perspective view of the state which attached the guide tool from the state of FIG. AA line sectional view of Drawing 5. BB sectional drawing of FIG. Sectional drawing of the handle part which shows the unlocking state attached to the sliding door. Sectional drawing of the handle part which shows the locking state attached to the sliding door.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Lock body 5 Lock box 8 Conversion tool 9 Guide tool 10 Lock piece 13 Linking pin 14 Locking tool 17 Guide hole 19 Guide hole H Sliding door

Claims (1)

  When the lock is moved up and down, the lock consists of a lock body in which the lock guided by the guide protrudes and retracts in a direction perpendicular to the sliding door opening and closing direction, and a receiving device with which the lock protrudes and engages. When the actuator is moved, the transmitter is moved up and down via the actuator, and the transmitter is configured to be attached even if the converter that moves up and down is turned upside down. The guide tool is provided with a guide hole extending in the lateral direction, the guide hole and the guide hole are provided so as to intersect with each other, and a linkage pin that engages with the lock piece is provided so as to penetrate the intersection. When the conversion tool moves up and down, the linkage pin is guided in the guide hole and the guide hole and moves in the lateral direction, so that the lock comes in and out and is unlocked and unlocked. By reversing the direction of the hole inclination and reversing the protruding direction of the lock Te, sliding door lock device which can protrude the lock pieces in the opposite direction.

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