JP2009097276A - Locking device for fittings - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a locking device for fittings wherein a vertical lock bar for an opening and closing body can be locked/unlocked. <P>SOLUTION: The locking device for fittings is composed of the followings: an elongate fixing member 12 fixed inside of a vertical stile of a door, a cylinder lock and thumb-turn as an input means mounted at least either on the indoor side or the outdoor side of the fixing member, an operating member 35 wherein one end of an eccentric arm 39 is connected to the input means and which turns for a predetermined quantity by the power of the input means, a lock piece 45 whose base end is pivotally supported to a mounting post 19 provided in the fixing member so as to work together and while having at the bottom end an elongated hole 47 into which the eccentric arm is inserted, an engaging piece 58 to be received by the free end of the lock piece when the operating member 35 turns for the predetermined times by the power of the input means when locking and also a vertical lock bar 9 arranged within the vertical stile. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a door fastening device for a fitting that is attached to an opening / closing body such as a sliding door, a hinged door, and a center folding door, and in particular, a receiver (engagement) of a lower frame (floor side) or an upper frame (ceiling side) of the door frame. The present invention relates to a door lock device for a joinery for applying / unlocking a slide-type vertical lock bar that engages / disengages in a recess).

  The structure of the French drop for joinery of Patent Document 1 is that “a long hole is formed in the substrate, and upper and lower pieces provided at the upper and lower ends of the main body frame are attached to the back surface of the main body frame, and at a plurality of positions above and below the main body frame. Drill a lock hole, insert a rod that can be slid up and down through the upper and lower pieces of the main body frame, insert an operation tool into the long hole, and pass it through the operation tool mounting hole of the rod so that it can slide forward and backward. The tip of the body is made freely insertable into the lock hole of the main body frame, and a spring is fitted and attached to the tip of the operation tool to elastically bias the operation tool toward the main body frame, and this spring is brought into elastic contact with the rod.

  The structure of the above-mentioned France drop applies the biasing force of the spring to the substrate side, so that it is possible to prevent the vertical rod from rattling and to manually operate the operating tool that projects horizontally into the recess of the pulling handle (in the horizontal direction). The intruder has the advantage that the rod cannot be lifted from the outside in the unlocking direction.

  However, in the structure of the French drop described in Patent Document 1, since the operation end portion (pick portion) of the horizontal operation tool for the vertical rod protrudes in the laterally concave substrate (handle), the intruder can There is a risk that the horizontal operation tool may be operated using, for example.

  Therefore, for a new joinery that uses a sliding vertical lock bar that is engaged and disengaged with a receiver (engagement recess) on the lower frame (floor side) or upper frame (ceiling side) of the door frame. The emergence of door-locking devices is desired.

Patent Document 2 also describes “raised and dropped tablets”. However, the lock mechanism of the lock-up lock is a block provided at the upper end of the vertical rod bar and meshing with the occlusal part of the surface of the substrate, and the lock mechanism is a vertically long shape that is fixed in the vertical shaft of the door. The fixing member is not a constituent requirement.
Japanese Utility Model Publication No. 6-58080 Japanese Patent Laid-Open No. 9-158580

  An intended object of the present invention is to provide a door-locking device in a vertical shaft of a door that has excellent crime prevention and has a relatively narrow internal space, and is to apply and unlock a sliding vertical lock rod. . The second object of the present invention is to incorporate the main members (actuator and lock piece) into the fixed member so that the internal space of the vertical shaft of the door can be used effectively. Furthermore, the third object of the present invention is to easily combine the members.

  The door fastening device for joinery of the present invention includes a vertically long fixing member 12 fixed in a vertical wall of the door, input means 21 and 21A attached to at least either the outdoor side or the indoor side of the fixing member, One end portion of an eccentric arm 39 is connected to the input means, and an operating body 35 that rotates by a predetermined amount by the power of the input means, and a base end portion provided on the fixing member so as to cooperate with the operating body. A lock piece 45 that is pivotally supported by one mounting column 19 and has a long hole 47 through which the eccentric arm is inserted on the lower end side, and when the operating body 35 is rotated by a predetermined amount by the power of the input means during locking. And an engaging piece 58 received at the free end of the lock piece, and comprising a vertical lock rod 9 disposed in the vertical shaft.

(A) It is possible to install / unlock a sliding vertical lock bar by installing a door-locking device in a vertical shaft of a door having a relatively small internal space.
(B) The invention according to claim 2 can effectively utilize the internal space of the vertical shaft of the door.
(C) Since the number of main members (operating body and lock piece) is small, the members can be easily combined.
(D) In addition, the present invention can be applied to an opening / closing body such as a sliding door, an opening door, and a middle folding door.

  Hereinafter, the best mode for carrying out the present invention shown in FIGS. 1 to 21 will be described.

(1) Environment for Implementing the Invention FIGS. 1 to 3 are schematic explanatory views showing the environment for implementing the invention. FIG. 1 is a schematic explanatory view applied to an opening / closing body (joint) such as a sliding door, an opening door, and a middle folding door, and viewed from the indoor side. In this embodiment, the present invention is applied to the vertical folding of a center folding door. FIG. 2 is a schematic explanatory view seen from a plan view side with the horizontal guide rail on the ceiling side omitted, and the door lock device X of the present invention is provided on the left vertical shaft. FIG. 3 shows a state in which the middle folding door is bent via the hinge member when the door-closing device X is unlocked.

  1 to 3, 1 is a door frame, 2 is a floor, 3 is a horizontal guide rail disposed on the upper frame of the entrance and exit, and 4 is bent to the horizontal guide rail 3 via a suspension member 5. It is an opening / closing body that is provided. The opening / closing body 4 is, for example, a middle folding door as a terrace door, and the left door 4a and the right door 4b are connected to each other via a plurality of hinge members 6 so as to be bent.

  Here, one door 4a will be briefly described. The door 4a is generally composed of a generally rectangular glass 7 and vertical and horizontal ridges 8 surrounding the outer peripheral edge of the glass 7. The lock casing of the door-closing device X constituting the main part of the present invention is provided in the vertical rod 8a having a relatively narrow width.

  The door lock device X includes a vertical lock rod 9 that is vertically slidable in a vertical shaft 8a, and one end portion (for example, a lower end portion) 9a of the vertical lock rod 9 is provided on the floor surface 2. It falls into the provided receptacle 10 (so-called France drop). Note that, as described in Patent Document 1, the vertical lock rod 9 has a bar-like operation tool 11 connected in an orthogonal state via a connection pin (not shown) at the center thereof.

(2) Main part of the present invention—fixing member 12
In the present embodiment, a vertically long lock casing is used as the fixing member 12 fixedly installed in the vertical rod 8a of the door 4. The door lock device X is used when the vertical lock rod 9 disposed in the vertical rod 8a is engaged with a receiving member (engagement recess) on the lower frame (floor side) or the upper frame (ceiling side) of the door frame. For security purposes, the locking member 12 of the door lock device X is a separate member from the vertical locking rod 9 because it is a kind of lock provided in the vertical rod 8a for locking the vertical locking rod 9. is there.

  FIG. 7 shows an example of the fixing member (lock housing) 12. The fixing member 12 has a face seat (front) 13 slightly protruding from the outer wall surface of the vertical rod 8a on the surface thereof. The flange-shaped face seat 13 is vertically long as shown in FIGS. 5 and 7 and the like, and is locked to an unnumbered vertically long opening edge formed in the vertical direction on the outer wall surface of the vertical rod 8a.

  Further, the fixing member 12 has a vertically long block-shaped storage portion 14 on the back surface of the face seat 13. The storage portion 14 is entirely housed in the vertically long opening of the vertical rod 8a. Referring to FIGS. 5 and 7, a large-diameter fitting hole 15 for a cylinder lock is formed in a substantially central portion of the vertically long block-shaped storage portion 14. The fitting hole 15 communicates with an unnumbered small-diameter fitting hole of the face seat 13. The former large-diameter fitting hole 15 includes an outer cylinder of the cylinder lock 21, while the latter small-diameter fitting hole. The inner cylinder of the cylinder lock is fitted in the.

  Thus, the upper wall side and the lower wall side corresponding to the rear end portion of the storage portion 14 slightly protrude from the rear end surface of the large-diameter fitting hole 15, and the upper wall side and the lower side rear wall 14a A total of four vertical support grooves 16 for the urging means 20 are formed to face each other with a predetermined interval on the left, right, top and bottom. Also, small mounting holes 17 are formed in the vertical direction near the vertical support groove 16 of the rear wall 14a.

  Further, at the upper and lower ends of the storage portion 14, there are thick attachment portions 18 projecting stepwise behind the rear wall 14a, and the upper and lower attachment portions 18 each have an unnumbered female screw. Have. In addition, a short rod-shaped mounting column 19 is provided in the inner step portion of the upper and lower mounting portions 18 so as to protrude in the horizontal direction. In addition, in this embodiment, the upper mounting column 19 has a locking piece. A function as a support shaft is also given.

  The width of the mounting portion 18 is narrower than that of the rear wall 14a. Preferably, the vertical notch-shaped side wall of the mounting portion 18 takes into account the position or space of the vertical lock rod in the vertical shaft. Thus, it should be designed to be located slightly inside the vertical one side wall 14b of the storage portion 14 (see FIGS. 6 and 7). With such a design, the internal space of the vertical rod 8a can be effectively utilized.

(3) Main part of the present invention-input means 21, 21A
The input means 21 and 21A are attached to at least either the outdoor (front end) side or the indoor (rear end) side of the fixing member 12. In the present embodiment, the cylinder lock 21 shown in FIG. 12 is mounted on the front end side of the fixing member 12, while the thumb turn 21 </ b> A shown in FIG. 13 is mounted directly or indirectly on the rear end side of the fixing member 12. Is done.

  Since the cylinder lock 21 has the same structure as the ordinary general cylinder lock 21, a detailed description thereof is omitted. Referring to FIGS. 5, 7, and 12, 22 is an outer cylinder, 23 is an inner cylinder, and 24 is a tailpiece. As described above, the outer cylinder 23 is fitted into the large-diameter fitting hole 15 of the fixing member 12, and the distal end portion of the inner cylinder 23 protrudes from the front surface of the outer cylinder 23 and the small-diameter fitting hole of the fixing member 12. Fits in. Further, the tail piece 24 protrudes from the back surface of the outer cylinder 23 and engages with the central engagement groove of the disc-shaped tip portion 36 of the operating body 35.

  On the other hand, the thumb turn 21 </ b> A is rotatably attached to the rear end portion of the fixing member 12 via a vertically long thumb turn seat 25. FIG. 13 shows an example of the thumb turn 21A. FIG. 16 shows an example of the thumb turn seat. First, the thumb turn seat 25 has a circular shaft hole 26 for the thumb turn 21A at the center, and through-hole mounting holes 28 for the fasteners 27 are formed at the upper and lower ends of the thumb turn seat 25 with reference to the circular shaft hole 26. ing. As shown in FIG. 5, the thumb turn seat 25 is fixed so as to be in surface contact with the inner wall surface of the vertical rod 8 a via the fixing tool 27 screwed into the upper and lower mounting portions 18 of the fixing member 12.

  Next, the thumb turn 21A is the same as that of a general ordinary one, and a shaft portion 30 inserted into the circular shaft hole 26 of the thumb turn seat 25 and a plate-shaped knob provided orthogonal to the outer end portion of the shaft portion 30. In the eccentric part of the shaft part 30, a connecting hole 32 into which the end part of the eccentric arm 39 of the operating body 35 is fitted is formed.

(4) Main part of the present invention—actuator 35
As described above, in this embodiment, there are two types of input means: the cylinder lock 21 provided on the distal end side of the fixing member 12 and the thumb turn 21A provided on the rear end side of the fixing member 12. Therefore, as shown in FIG. 5, the operating body 35 of the present embodiment is interposed between the tail piece 24 of the cylinder lock 21 and the thumb turn 21A, and cooperates with the tail piece 24 or the shaft portion 30 of the thumb turn 21A. They are connected together. Regardless of whether the input means is the tail piece 24 of the cylinder lock 21 or the shaft portion 30 of the thumb turn 21A, the actuating body 35 has one end portion of its eccentric arm connected directly or indirectly to the input means, and A predetermined amount is rotated by the power.

  An example of the operating body 35 is shown in FIGS. The actuating body 35 includes a disc-shaped tip portion 36 having a central engagement groove 36a for the tailpiece 24 on the front surface, a rhombus-shaped spring receiving portion 37 provided continuously to the back surface of the disc-shaped tip portion 36, and the spring support. A disc-shaped shaft portion 38 continuously provided on the back surface of the portion 37, and an eccentric arm 39 extending rearward from an eccentric portion on the back surface of the disc-shaped shaft portion 38. The rear end portion of the eccentric arm 39 is the thumb turn 21A. Is inserted into the eccentric connecting hole 32.

  FIG. 14 shows an example of the support plate or pressing plate of the operating body 35. The pressing plate 41 for the operating body 35 is a rectangular long plate smaller than that of the thumb turn seat 25, and a shaft on which the disc-shaped shaft portion 38 of the operating body 35 is loosely fitted at the center. A hole 42 is provided. Further, mounting small holes 43 corresponding to the mounting small holes 17 of the rear wall 14a of the fixing member 12 are formed at the upper and lower ends of the shaft hole 42 as a reference. The pressing plate 41 is fixed to the rear wall 14a via a second fixing tool 44 that is screwed into the mounting small hole 17, and the shaft hole 42 supports the disc-shaped shaft portion 38 of the operating body 35. And the inner surface supports the outer surface of the diamond-shaped spring receiving portion 37 in a surface contact state.

(5) Main part of the present invention-lock piece 45
The lock piece 45 is pivotally supported by a support shaft 19 provided at the fixing member so as to cooperate with the operating body 35, and a long hole through which the eccentric arm 39 of the operating body 35 is inserted on the lower end side. have. FIG. 10 shows an example of the lock piece 45. The lock piece 45 is supported by an upper mounting column 19 having a function of a support shaft of a fixing member through a shaft hole 46 at the base end. The long hole 47 on the lower end side is slightly inclined in this embodiment.

  As shown in FIGS. 5 and 10, the lock piece 45 is composed of a pair of front and rear lock piece main bodies 45a and a vertically long connecting plate 45b that integrally connects the lock piece main bodies 45a. Is detachable from the upper end surface of the engagement piece 58 of the vertical lock rod 9.

  FIG. 15 shows an example of a retaining plate 48 for the lock piece 45. This retaining plate 48 has through holes 50 for the third fixing tool 49 at the upper and lower ends, respectively, and the fixing member 12 is attached to the upper and lower sides via these through holes 50 and the fixing tool 49. It is fixed to the end face of the pillar 19. The retaining prevention plate 48 is also formed in a long plate shape, and has a semicircular cutout 51 for receiving the eccentric arm 39 of the operating body 35 at the center thereof.

(6) Vertical Lock Rod Although the vertical lock rod 9 has been described, an example of the vertical lock rod 9 is shown in FIG. The vertical lock rod 9 is arranged vertically in the vertical rod 8a (see FIG. 6) and is slidable in the vertical direction. In addition, as shown in FIG. 6, the vertical lock rod 9 is formed in a space between the notched one side wall of the upper and lower mounting columns 19 provided in a protruding shape on the rear end side of the fixing member 12 and the inner wall surface of the vertical wall. It is arranged.

  Thus, as shown in FIG. 11, a single or a plurality of lateral holes 56 for the connecting pins 57 are formed in the central portion (including the portion near the central portion) of the vertical lock rod 9. In addition, an engagement piece 58 having an U-shaped end face is fixed in an orthogonal state via the connecting pin 57.

(7) Unlocked state FIG. 17 shows that the vertical engagement rod 9 is in a non-engaged state and the door-closing device X is also in an unlocked state. That is, the lower end portion 9a of the vertical engagement rod 9 is separated from the support 10 on the floor surface 2 (non-engaged state). Therefore, the engagement piece 58 of the vertical engagement rod 9 is located above the lower end surface (locking surface) of the lock piece 45 of the door-closing device X. The lock piece 45 is in a vertical state due to its own weight, and the eccentric arm 39 of the operating body 45 enters the notch 51 of the retaining member 48.

  FIG. 18 shows the position of the eccentric arm 39 of the operating body 35 and the state of the urging means (plate spring) 20 at the time of unlocking of FIG. At the time of unlocking, the eccentric arm 39 of the operating body 35 is positioned obliquely lower right than the center of the storage portion 14 of the fixing member, and the left and right leaf springs 20 are connected to the spring receiving portion 37 of the operating body 35. It is pressed by the corner and is displaced outwardly in a bulging shape. Therefore, for example, when the input means 21A is slightly turned in the locking direction, the spring force of the left and right leaf springs 20 acts, so that the input means can be turned with a soft touch.

  FIG. 19 shows a case where the actuating body 35 is rotated clockwise, for example, by operating force on the input means 21A, and the position of the eccentric arm 38 is displaced from the unlocked position to the locked position. In this case, the lock piece 45 rotates a predetermined amount in the clockwise direction with one mounting column 19 as a fulcrum.

(8) Locked state FIGS. 20 and 21 show the case where the door lock device X is locked after the vertical engagement rod 9 is dropped (engaged state). At the time of locking, when the actuating body 35 is rotated by a predetermined amount by the power of one of the input means 21 and 21A, the lock piece 45 is supported by the eccentric arm 39 of the actuating body 35 with the support shaft 19 at the base end as a fulcrum. Co-rotate and rotate in the locking direction. At this time, the spring force of the biasing means 20 acts on the operating body 35.

  As a result, as shown in FIGS. 20 and 21, the eccentric arm 39 of the operating body 35 is positioned at the substantially central portion of the fixing member 12, so that the lower end of the lock piece 45 is the end face of the engagement piece 58 of the vertical lock rod 9. (Upper surface in the embodiment). Therefore, the vertical lock rod 9 is received by the lower end surface of the lock piece 45 through the engagement piece 58.

  In the example shown in the embodiment of the invention, the opening / closing body is a center folding door as a terrace door, but may of course be a sliding door or an opening door. Further, there are two types of input means, the cylinder lock 21 and the thumb turn 21A, and the tail piece of the cylinder lock 21 and the shaft portion of the thumb turn 21A are connected via an operating body 35. There may be. Desirably, the latter thumb turn 21A is always attached.

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

FIG. 1 to FIG. 21 are explanatory views showing the best embodiments of the present invention.
BRIEF DESCRIPTION OF THE DRAWINGS Schematic explanatory drawing (environment explanatory drawing seen from the room side) which shows the environment of implementation of invention. BRIEF DESCRIPTION OF THE DRAWINGS Schematic explanatory drawing (environment explanatory drawing seen from planar view side) which shows the environment of implementation of invention. BRIEF DESCRIPTION OF THE DRAWINGS Schematic explanatory drawing which shows the environment of implementation of the invention (Schematic explanatory drawing of the state in which the middle folding door is bent via the hinge member). Explanatory drawing seen from the input means 21A side (indoor side). Explanatory drawing which looked at the positional relationship of the structure of a door-locking device and the door-locking device, and a vertical lock rod (virtual line) from one side. Explanatory drawing which looked at the positional relationship of the structure of a door-locking device and the door-locking device, and a vertical lock rod (imaginary line) from the planar view side. Explanatory drawing of the fixing member 12. FIG. Explanatory drawing of the action body 35. FIG. Explanatory drawing of the action body 35. FIG. Explanatory drawing of the lock piece 45. FIG. Explanatory drawing of the vertical lock stick | rod 9. FIG. Explanatory drawing of the input means 21 of the outdoor side. Explanatory drawing of 21 A of indoor side input means. Explanatory drawing of the pressing plate 41. FIG. Explanatory drawing of the retaining plate 48. FIG. Explanatory drawing of the thumb turn seat 25. FIG. Explanatory drawing which shows that the vertical engagement rod 9 is a non-engagement state, and the door-locking apparatus X is also an unlocking state. Explanatory drawing of the principal part at the time of unlocking. Explanatory drawing which the main member displaced from the unlocking position to the locking position. Explanatory drawing which shows that the vertical engaging rod 9 is an engagement state, and the door-locking apparatus X is also a locking state. Explanatory drawing of the principal part at the time of locking.

Explanation of symbols

X: Door lock device, 8a ... Vertical shaft, 9 ... Vertical lock rod, 10 ... Receiving member, 4 ... Opening and closing body, 12 ... Fixing member, 14 ... Storage part, 15 ... Fitting hole, 18 ... Mounting part, 19 ... Installation Columns 21, 21A ... Input means, 24 ... tail piece, 35 ... acting body, 45 ... locking piece, 47 ... long hole, 36 ... disc shaped tip, 37 ... spring receiving portion, 38 ... disc shaped shaft, 39 ... Eccentric arms.

Claims (4)

A vertically long fixing member 12 fixed in the vertical shaft of the door, input means 21 and 21A attached to at least either the outdoor side or the indoor side of the fixing member, and one end portion of the eccentric arm 39 on the input means Are connected to each other, and an operating body 35 that is rotated by a predetermined amount by the power of the input means, and a base end portion is pivotally supported by one mounting column 19 provided on the fixing member so as to cooperate with the operating body. And a locking piece 45 having a long hole 47 through which the eccentric arm is inserted on the lower end side, and when the operating body 35 is rotated by a predetermined amount by the power of the input means during locking, it is received by the free end of the locking piece. A door-closing device for joinery comprising a vertical lock bar 9 provided with an engaging piece 58 and disposed in the vertical fence. 3. The vertical lock rod 9 according to claim 1, wherein the vertical lock rod 9 is disposed in a space between a notch-shaped side wall of the upper and lower mounting columns 19 provided in a protruding shape on the rear end side of the fixing member 12 and an inner wall surface of the vertical wall. A door-closing device for joinery. In Claim 1, the fixing member is a lock housing separate from the vertical lock rod, and the input means is two types of an outdoor cylinder lock 21 and an indoor thumb turn 21A. A door locking device for a joinery, wherein the tail piece of the cylinder lock 21 and the shaft portion of the thumb turn 21A are connected via an operating body 35. In claim 3, the actuating body 35 includes a disc-shaped tip portion 36 that engages with the tail piece 24, a spring receiving portion 37 that is connected to the back surface of the disc-shaped tip portion 36, and the spring receiving portion 37. A door lock device for a joinery comprising a disk-shaped shaft portion 38 continuously provided on the back surface and an eccentric arm 39 extending rearward from an eccentric portion on the back surface of the disk-shaped shaft portion 38.

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