JP2008150883A - Lock tool for sliding door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To propose a lock tool for a sliding door capable of being easily put in a locking and unlocking state. <P>SOLUTION: This lock tool for the sliding door is composed of an installation base body fixed to be fitted in a cutout part formed in a vertical frame of a door frame and having retractable engaging slider with one end surface as a reference, and a receiving member fixed to be fitted in a cutout part of a door end and having an engaging recessed place opposed to the one end surface when closing the sliding door. When transferring to the locking state from the unlocking state, when operating an operation piece of the engaging slider positioned on the front side of the installation base body crossing with the one end surface in the horizontal direction, the engaging slider projects from the one end surface of the installation base body, and its projecting tip part enters the engaging recessed place. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a sliding door lock.

  As described in Patent Document 1 and Patent Document 2, a sliding door lock as an ordinary general sliding door lock is: (a) a sliding door door, lower arm, or upper arm An engaging piece such as a piece or dead bolt is provided, and a receiving member having a recess with which the engaging piece is engaged or disengaged is provided on a vertical frame, a lower frame or an upper frame of a door frame which is a fixing member.

  Ordinary ordinary sliding door locks have (b) the engagement piece is received by the fixing member by inserting the key into the keyhole of the cylinder lock provided in the sliding door and operating the key or operating the thumb turn. Infest with the member. Furthermore, in ordinary and ordinary sliding door locks, (c) when the door is closed, the sliding door collides with the vertical frame of the door frame.

By the way, nowadays, there is a demand for the appearance of a sliding door lock that can be easily locked and unlocked (so-called operability is good) by picking an operation piece with a finger without rotating the key combination and operating it easily. Yes. In addition, in order to expand the scope to sliding doors other than ordinary sliding doors, there is a demand for the appearance of new sliding door locks that are not bound to the characteristics (a) to (c) of ordinary sliding door locks.
JP-A-2005-120606 Japanese Laid-Open Patent Publication No. 10-102855

  The first object of the present invention is to improve the operability of the locking device, to pick up the operation piece with a finger, and to easily enter the locked state and the unlocked state. The second object is that the engagement slider can be stably moved horizontally. The third purpose is different from the conventional sliding door lock, so to speak, by the idea of reverse rotation, the mounting base is attached to the door frame as a fixing member, and the mounting base has a locking piece function, By attaching the receiving member to the sliding door as the movable body, it can be used as a sliding door lock of a raising / lowering shutter or a hanging runner system. The other purpose is that when the operation piece is slightly operated during unlocking, the engagement slider automatically moves to the storage position, and in the unlocked state, the tip of the engagement slider does not protrude. This can be done, and each component member can be rationally incorporated in the mounting base (effective use of the internal space).

  The sliding door lock device of the present invention is fixed so as to be fitted into a notch formed in the vertical frame of the door frame, and has a case-like mounting base provided with an engagement slider that protrudes and protrudes with respect to one end surface; On the other hand, the sliding door locking device is constituted by a receiving member which is fixed so as to be fitted into the notch portion of the door tip and has an engaging recess facing the one end surface when the sliding door is closed, and is locked from the unlocked state. At the time of transition to the state, when the operating piece of the engaging slider located on the front side of the mounting base that intersects the one end face is operated in the horizontal direction, the engaging slider protrudes from the one end face of the mounting base. A tip portion enters the engagement recess.

(1) The operability of the locking device can be improved. For example, it is only necessary to apply a finger to the operation piece of the engagement slider and press the engagement slider as it is.
Of course, it is only necessary to pick the operation piece with a finger and operate it in the horizontal direction.
(2) The engagement slider stably moves horizontally.
(3) It can be used as a sliding door lock of a raising / lowering shutter type or a hanging type runner type. In this case, since the receiving member has a wide engagement recess, the engagement piece of the lock tool can be put into the engagement recess in accordance with the chile size.
(3) When the return spring is a constituent requirement together with the engagement means, the engagement slider is automatically moved to the storage position when the operation piece is slightly operated during unlocking.
(4) Depending on the embodiment, in the unlocked state, there is an advantage that the tip of the engaging slider can be held so as not to protrude, and each component can be stored compactly on the mounting base. .

  1 to 14 show a first embodiment of the best mode of the present invention.

(1) Locking tool 1-mounting base 2 and receiving member 50
FIG. 1 is a perspective view showing the mounting base 2 and the receiving member 50 of the locking device 1. FIG. 1A shows a case-like mounting base 2, which is fixed so as to be fitted into a notch 33 formed in a vertical frame 31a of a door frame 31, and has one end surface 2a as a reference. And an engaging slider 4 which appears and disappears. In that case, the door frame 31 is fitted into a vertically elongated notch 33 formed on the outer surface of the central portion (including the portion closer to the central portion) of the vertical frame 31a.

  On the other hand, FIG. 1B shows a metal receiving member 50 used as a set with the mounting base 2, and at least one side surface of the receiving member 50 has an engagement slider 4 built in the mounting base 2. An engagement recess 51 that can engage with the protruding tip 4a is formed.

  The receiving member 50 is fixed so as to be fitted into the vertically long notch 34 formed at the door end of the sliding door 32. In the present embodiment, the mounting base 2 that houses the engagement slider 4 on the fixed member (for example, door frame) 31 side, and the movable recess 51 that faces the one end surface 2a of the mounting base 2 when the sliding door 32 is closed. The sliding door lock 1 is constituted by a combination with the receiving member 50 on the body side. Hereinafter, the constituent features of the present invention will be sequentially described.

(2) Receiving member 50
First, for convenience of explanation, the receiving member 50 will be described with reference to FIGS. 1 to 3. As shown in FIG. 1B, the receiving member 50 is formed by bending a metal plate with a press to form, for example, a long box shape in appearance. It is as follows if the new matter of this receiving member 50 is pointed out.

  First, it must be used in combination with the mounting base 2 on the door frame side. In other words, the receiving member 50 having the engagement recess 51 is attached to the notch 34 of the door end of the sliding door 32, while the attachment base 2 is attached to the notch 33 of the vertical frame of the door frame 31, It can be used as a tool 1 ”.

  Next, when the sliding door is closed, when the engagement recess 51 of the receiving member 50 and the engagement slider 4 of the mounting base 2 face each other and are locked, the operation piece 5 is picked with a finger or the operation piece. When the finger is applied to 5 and operated in the horizontal direction, the engagement slider 4 advances toward the recess 51, and the protruding outer end 4 a enters the engagement recess 51.

  Next, a partition piece 52 is provided in the engagement recess 51 of the receiving member 50 to divide the engagement recess 51 into a plurality (for example, halves), and faces the engagement slider 4 of the mounting base 2 when the sliding door is closed. The first recess 51a to be used is used for locking to receive the engagement slider 4, while the other exposed second recess 51b is used for pulling.

  As shown in FIG. 2, the partition piece 52 is a columnar or bar-like body in the vertical direction, and can be pushed in when the sliding door is closed. In this embodiment, the partition piece 52 has screwed portions (for example, female screws) 52 a at the upper and lower ends, and through small holes 53 and a plurality of fixing tools 54 formed in the upper and lower walls 50 a of the receiving member 50. Is screwed so as to bisect the inside of the recess 51 of the case-shaped receiving member 50.

  Reference numeral 55 denotes an inner wall surface that forms the first recess 51a. The inner wall surface 55 is used for locking to receive the protruding tip portion 4a of the engagement slider 2, such as a flat shape, a hook shape, and a latch shape. . On the other hand, reference numeral 56 denotes an inner wall surface of the second recess 51 b facing the inner wall surface 55, and this inner wall surface 56 is used as a handle for opening the sliding door 32. Other matters are omitted.

(3) Basic Configuration of Mounting Base 2 First, the basic configuration of the mounting base 2 will be described with reference to FIGS. 1 and 4 to 14. The mounting base 2 is a case-shaped mounting base 2 and an engagement slider 4 that is provided in the storage portion 3 of the mounting base 2 so as to be horizontally movable and can be projected and retracted with reference to one end surface 2a of the mounting base 2. The operation piece 5 is located on the front side 2b of the mounting base 2 crossing the one end face 2a, and the operation piece 5 is in front of the plate-like central portion of the engagement slider 4 via a plurality of fixing tools 6. It is fixed to the wall 20a. The operation piece 5 includes a knob portion 5a and a mounting base end portion 5b, and has a plurality of fixing tool through holes 8.

  Here, the configuration of the engagement slider 4 will be described in some detail with reference to FIGS. 5 and 9 in particular. The engagement slider 4 is a pair of slide fits on the rail portion 13 of the mounting base 2 on the upper and lower end portions thereof. A plurality of female screws 7 for the fixing tool are formed at a portion near the rear end of the front wall 20 a of the plate-like central portion 20 that has the fitting portion 24 and continues to the fitting portion 24. In addition, the plate-shaped center part 20 is formed in a concave shape facing the front, and the attachment base end part 5b side of the operation piece 5 is positioned in this concave part.

  Further, engaging means 17 for engaging with the engaged portion 16 of the mounting base 2 at least in the locked state and the unlocked state are provided on the upper and lower end portions (foot portions 21a described later) of the engaging slider 4. In addition, a pair of upper and lower return springs 15 that constantly bias the engagement slider 4 toward the storage portion are provided.

  In the above configuration, when the operation piece 5 is operated in a horizontal direction by a predetermined amount, the engagement slider 4 is guided by the rail portion 13 of the mounting base 2 and protrudes from the one end surface 2 a of the mounting base 2. When the protruding tip 4a enters the recess 51 of the receiving member 50 of the sliding door, it is locked. On the other hand, when the operation piece 5 is horizontally operated in a reverse direction by a predetermined amount, the engagement slider 4 is similarly guided to the rail portion 13 of the mounting base 2 and returns to the storage portion 3 of the mounting base 2.

(4) Specific Configuration of Mounting Base 2 A specific configuration of the mounting base 2 will be described. Some symbols are omitted. First, FIG. 4 is a front view of the mounting base 2 in the locked state. Based on this front view, 2a is the right end surface of the mounting base 2 (referred to here as the “front end surface”), 2b is the front surface that intersects the one end surface 2a, and 2c is the other end surface on the left side (here “rear surface”). 2d is the upper surface, and 2e is the lower surface. Therefore, the back side of the mounting base 2 is the back surface 2f.

  The mounting base 2 of the present embodiment is formed in a vertically long case shape, and has a case main body 10 in which the front and rear end surfaces 2a and 2c open, and a closing plate 11 for closing the opening of the rear end surface 2c of the case main body 10, respectively. As shown in FIG. 5, a rectangular opening 12 having a stepped cross section is formed in the central portion of the front surface 2 b of the case body 10 and communicates with the U-shaped storage portion 3. The entirety of the vertically long operation piece 5 is accommodated, and a rail portion 13 is formed on the upper and lower outer wall surfaces protruding into the storage portion 3 at the back of the rectangular opening 12.

  Next, FIG. 7 is a schematic explanatory view of a longitudinal section viewed from the front of the mounting base 2. FIG. 7 shows the internal structure of the mounting base 2 in the unlocked state. Spring storage portions having stepped surfaces are formed at the upper end portion and the lower end portion constituting the storage portion 3 of the mounting base 2, and these spring storage portions have upper and lower portions that constantly bias the engagement slider 4 in the inner direction. A set of return springs 15, 15 is provided.

  The front end portion of the return spring 15 disposed on the side is supported by, for example, a spring end support portion of the case main body 10, while the rear end portion of the return spring 15 is the horizontal upper and lower leg-shaped portion of the engagement slider 4. 21 are respectively supported by spring end support portions 25 provided in small protrusions on the foot portions 21a (see FIG. 9).

Further, in the present embodiment, as an additional matter when the return spring 15 is set as a limitation requirement of the independent term, there is a required interval on the upper inner wall surface and the lower inner wall surface that form the storage portion 3 of the case body 10. A pair of front and rear engaged portions (recessed grooves, through holes, etc.) 16 are respectively formed.
In addition, as shown in FIG. 8, the engaged slider 16 moves forward to the engaged portion 16 located on the front side, and the attachment slider 2 is locked when the mounting base 2 is locked. Engagement means (for example, a ball plunger tool) 17 provided on the leg 21 is brought into pressure contact with the tip 17a.

  On the other hand, as shown in FIG. 7, the engaged portion 16 located on the rear side has the engagement slider 4 retracted to the inside and the attachment base 2 is unlocked. The distal end portion 17a of the coupling means 17 is press-engaged. In addition, the case body 10 has attachment holes 18 formed at four corners. The explanation of other matters is omitted.

(5) Specific Configuration of Engagement Slider 4 Here, a specific configuration of the engagement slider 4 will be described with reference to FIG. The engagement slider 4 is composed of a plate-shaped central portion 20 and upper and lower leg portions 21 that are connected to the central portion 20 in a protruding state at upper and lower portions.

  Thus, on the opposing inner wall surfaces of the upper and lower leg portions 21, end arc-shaped fitting portions 24 are formed which are slidably fitted (engaged) with the upper and lower rail portions (guide portions) 13 of the case body 10. Yes. Further, as described above, the pair of upper and lower engaging means 17 are fixedly attached to the foot portions 21a of the upper and lower leg portions 21 through the vertical elongated holes, respectively. In addition, a pair of upper and lower spring end support portions 25 project from the vertical surface of the protruding portion of the foot portion 21a.

(6) Sliding door locking device 1-sliding door lock The purpose of the sliding door locking device (sliding door lock) 1 of the present invention is to attach the mounting base 2 to, for example, the vertical frame or lower frame of the door frame, and to the mounting base 2 It is to be used as a sliding door lock of a raising / lowering shutter method or a hanging type runner method by giving a dead or sickle-like function and attaching a receiving member 50 to the sliding door.

  Then, with reference to FIG. 10 thru | or FIG. 14, the sliding door lock using the locking tool 1 is demonstrated. In these figures, 31 is a door frame, 32 is a suspended runner type sliding door (a kind of sliding door), and 2 is an installation fixedly fitted into a notch 33 formed in a vertical frame 31a of the door frame 31. The base body, on the other hand, 50 is fixed to the notch portion 34 of the door end of the sliding door 32 which is opposed to the outer wall surface of the door frame 31 (the wall surface on the other side in the drawing) (for example, the door end does not hit the door frame 31). It is the receiving member 50 inserted in. The recess 51 of the receiving member 50 is visible toward the inner wall surface of the door frame 31 (the front side in the drawing).

  Thus, the sliding door lock 1 of the present invention attaches the receiving member 50 having the recess 51 to the door end of the sliding door 32, while attaching the mounting base 2 to the vertical frame of the door frame 31. As a function.

(7) When the locking device 1 is in the locked state First, when the sliding door 32 is closed in FIG. 10, the recess 51 of the receiving member 50 and the one end surface 2a (engagement slider 4) of the mounting base 2 face each other, and A case where the operation piece 5 is locked with the finger as a result of the operation in the horizontal direction is shown.

  As described in the basic configuration of the present invention, when the operation piece 5 is operated in the horizontal direction, the engagement slider 4 is guided by the rail portion 13 of the mounting base 2 and protrudes from the one end surface 2 a of the mounting base 2. To do. When the protruding tip 4a enters the recess 51 of the receiving member 50 of the sliding door 32, the locking state is obtained.

  In this embodiment, the engaging slider 4 includes the engaging means 17 that engages with the engaged portion 16 formed on the mounting base 2, so that the engaging means 17 is the mounting base when completely locked. Engage with the two engaged portions 16.

  FIG. 11 to FIG. 14 show the procedure for bringing the sliding door 32 into the locked state. First, FIG. 11 shows a halfway state in which the mounting base 2 is in the unlocked state and the sliding door 32 is about to be closed in the arrow A direction.

  When the mounting base 2 is in the unlocked state, the operation piece 5 is located on the left side (solid line portion) in FIG. Further, the protruding tip 4 a of the engagement slider 4 is located in the storage portion 3. That is, the engagement slider 4 is completely within the mounting base 2.

  Next, FIG. 12 shows a state in which the sliding door 32 is closed so that the door end of the sliding door 32 faces the inner wall surface of the vertical frame 31 a of the door frame 31. At this time, the person who closes the sliding door needs to make the first recess 51 a of the receiving member 50 face the engagement slider 4 of the mounting base 2. If the sliding door 32 is not stopped at the desired closed position, the partition piece 52 of the receiving member 50 is pushed by hand.

  As shown in FIG. 12, when the first recess 51a of the receiving member 50 and the engagement slider 2 of the mounting base 2 face each other, the operation piece 5 is picked and moved as it is to the position of the phantom line shown in FIG. .

  FIG. 13 shows an intermediate state in which the unlocked state shifts to the locked state. FIG. 14 shows a locked state. When in the locked state, the protruding outer end 4 a of the engagement slider 4 enters the first recess 51 a of the receiving member 50. Therefore, the sliding door 32 cannot be freely opened using the second recess 51 b exposed from the receiving member 50.

(8) When the locking tool 1 is in the unlocked state When the operating piece 5 is operated in the reverse direction, the engagement slider 4 is similarly guided to the rail portion 13 of the mounting base 2 to store the mounting base 2. Return to part 3. In this embodiment, since the housing portion 3 of the mounting base 2 is provided with one or a plurality of return springs 15, the engagement slider 4 uses the spring force of the return springs 15 to return to the initial unlocked position. Return.

  In this embodiment, even in the unlocked state, the engagement slider 4 engages with the engaged portion 16 of the mounting base 2 via the engagement means 17. Therefore, the front end portion of the engagement slider 4 does not protrude from the outer wall surface of the door frame or the one end surface 2a of the mounting base while the sliding door 32 is open, so that it does not get in the way. In addition, it becomes a mode opposite to the case where the locking device 1 is brought into the locked state.

  In the embodiment shown in the embodiment of the invention, the recess 51 of the receiving member is provided on at least one side surface, but may be provided on the other side surface (the other side). Although not particularly shown, the shape of the engagement slider 4 can be arbitrarily changed. For example, as shown in FIG. 9, the front side of the projecting tip 4a of the engagement slider 4 is formed in an arc shape so as to have a so-called latching function. Since the engagement surface on the side only needs to contact the inner wall surface 55 of the first recess 51a of the receiving member 50 as shown in FIG. 19, it is not always necessary to have a latching function. It may be in the shape of a bolt (square shape, rod shape, etc.).

  Next, a second embodiment shown in FIGS. 15 to 19 will be described. The same parts as those in the first embodiment are denoted by the same or similar reference numerals, and redundant description is omitted.

  The second embodiment is mainly different from the first embodiment in that (a) the configuration of the engagement slider 4A of the locking device 1A, (b) the internal configuration of the mounting substrate 2A, and (c) the mounting substrate 2A. This is a positional relationship between the front wall of the case body 10 and the operation piece 5A.

  About (a), as shown in FIG. 18, it looks like a “kamaboko main body part” of a plate kamaboko, or a “simple plate body” whose tip is formed in an arc shape. In other words, the engagement slider 4A of the second embodiment has no difference between the upper and lower end portions having the fitting portion and the recessed central portion, and has the same thickness from the upper end portion 21A to the lower end portion 21B. Is formed. Incidentally, the upper and lower portions of the rear end corresponding to the foot 21a of the first embodiment are provided with a pair of upper and lower engaging means 17 and spring ends at portions protruding from the upper surface of the upper end 21A and the lower surface of the lower end 21B, respectively. The matters provided with the support portions 25 are the same.

  Regarding (b), since the engagement slider 4A is formed as a simple plate, there is no protruding rail portion that fits into the upper and lower arcuate fitting portions. Further, with regard to (c), a part or all of the knob portion 5a (this embodiment) of the operation piece 5A protrudes from the front surface (front surface) of the mounting substrate 2A, and its base end portion 5b has a rectangular opening (guide window). ) Guided to 12A. The notch 33A of the door frame 31A is formed in a series from the inner end surface to the outer end surface, and the locking device 1A fits snugly with the notch 33A.

  Thus, even if the configuration of the mounting substrate 2A of the sliding door lock 1A is simple, the intended purpose of the first embodiment can be achieved.

  The present invention is mainly used in the locksmith and joinery industries.

FIG. 1 to FIG. 14 are explanatory diagrams showing the best embodiment (first embodiment) of the present invention. FIGS. 15 to 19 are explanatory views showing the best embodiment (second embodiment) of the present invention.
(A), (b) of FIG. 1 is a perspective view which respectively shows a locking tool and a receiving member (the engagement slider of the principal part is shown with the virtual line). The exploded perspective view of a receiving member. FIG. 3 is an enlarged cross-sectional explanatory view taken along line 3-3 in FIG. 2. Explanatory drawing from the front view (unlocked state). Explanatory drawing from one end view of the mounting base Explanatory drawing of the principal part (operation piece). Explanatory drawing which shows the internal structure seen from the front of the attachment base | substrate (unlocked state). Explanatory drawing which shows the internal structure seen from the front of the attachment base | substrate (locking state). Explanatory drawing from the perspective of the principal part (fixing tool, operation piece engagement slider). Explanatory drawing which shows the case where the recess of a receiving member and the engagement slider of a locking device oppose, and it became a locked state at the time of closing of a sliding door. Explanatory drawing which shows the halfway state which is trying to close a sliding door in the unlocking state of a locking tool. Explanatory drawing which shows a state which closed a sliding door. Explanatory drawing which shows the halfway state which transfers to a locked state from an unlocked state. Explanatory drawing which shows a locked state. The perspective view (unlocked state) of the attachment base | substrate of 2nd Example. The perspective view of a mounting base | substrate (locking state). Schematic cross-sectional explanatory drawing which shows the internal structure in a locked state. Explanatory drawing which shows the locking state of a locking tool. Explanatory drawing from the perspective of the principal part (fixing tool, operation piece engagement slider).

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, 1A ... Locking tool, 2, 2A ... Mounting base, 3 ... Storage part 4, 4A ... Engagement slider, 4a ... Projection outer end part of engagement slider, 5, 5A ... Operation piece, 5a ... Picking part, 5b ... Base end part, 6 ... Fixing tool, 7 ... Female screw, 8 ... Through hole, 10 ... Case body, 11 ... Closure plate, 13 ... Rail part, 14 ... Fitting hole, 15 ... Return spring, 16 ... Engagement Joint part, 17 ... engaging means, 20 ... plate-like central part, 20a ... front wall, 21A ... upper end part, 21B ... lower end part, 22 ... notch part, 24 ... fitting part, 31, 31A ... door frame, 31a ... vertical frame, 32 ... sliding door, 33, 33A ... notch portion of door frame, 34 ... notch portion of door end, 50 ... receiving member, 51 ... engagement recess, 51a ... first recess, 51b ... second recess 52, partition piece, 55, inner wall surface of the first recess, 56, inner wall surface of the second recess.

Claims (5)

A case-like mounting base with an engagement slider that is fixed so as to fit into a notch formed in the vertical frame of the door frame and that protrudes and projects with respect to one end face, and on the other hand, fits into the notch of the door tip And a receiving member having an engaging recess facing the one end surface when the sliding door is closed, and forming the sliding door lock device, and when the transition from the unlocked state to the locked state, the one end surface When the operating piece of the engaging slider located on the front side of the mounting base that intersects the horizontal direction is operated in a horizontal direction, the engaging slider protrudes from one end surface of the mounting base, and the protruding tip is in the engaging recess. A sliding door locking device characterized by entering. 2. The sliding door lock according to claim 1, wherein the engagement slider has a fitting portion that slide-fits to the rail portion inside the mounting base. 2. The sliding door lock device according to claim 1, wherein a return spring that constantly biases the engagement slider toward the inside is disposed on the mounting base. 4. The sliding door according to claim 1, wherein the engaging slider is provided with engaging means for engaging with an engaged portion of the mounting base when the engaging slider is unlocked. Locking tool. In Claim 1, the partition piece 52 which divides this recessed part 51 into several in the recessed part of the receiving member 50 is provided, and the 1st recessed part 51a facing an engagement slider at the time of closing of a sliding door is an engagement slider. 4, the second recessed portion 51b that is exposed on the other side is used for a handle, and is a sliding door lock.

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