Lock device mounting structure

Abstract

To provide a lock device mounting structure with improved wind pressure resistance.SOLUTION: In a mounting structure of a lock box 30 equipped with a face plate 31, an opening 4 is formed in a predetermined portion of a depth wall 210 of a door top end side vertical frame 21 of a door body 2; mounting pieces 5, 6 are provided above and below the opening 4, with screw holes 51, 61 formed in each of the mounting pieces 5,6 ; with the lock box 30 inserted into the opening 4, an upper extension piece 310 and a lower extension piece 311 of the face plate 31 abut against the upper and lower mounting pieces 5, 6, respectively, and secured with screws S; the mounting pieces 5, 6 are formed integrally with the depth wall 210; the base end portions of the mounting pieces 5, 6 are bent inward toward the depth wall 210 to form bent portions 50, 60; the upper and lower mounting pieces 5, 6 are provided with reinforcement means (overlay weld 7, plates 8, 9) to prevent deformation of the mounting pieces 5, 6.SELECTED DRAWING: Figure 5

Description

[Technical Field]

[0001] The present invention relates to a mounting structure for a lock device. [Background technology]

[0002] In the mounting structure of the lock box of the lock device of a door device, an opening is formed in a specified location on the projecting wall of the vertical frame on the door front side, and with the lock box inserted into the opening, the upper and lower extension pieces formed on the front of the lock box are abutted against upper and lower mounting pieces located above and below the opening and fixed with screws.

[0003] The right diagram in Figure 9 shows a conventional example of upper and lower mounting pieces, which are formed from plates welded to the back surface of the projection wall 210'. More specifically, the upper mounting piece 5' has an upper portion welded to the back surface of the projection wall 210' and a lower portion with a screw hole 50' extending above the opening 4', and the lower mounting piece 6' has a lower portion welded to the back surface of the projection wall 210' and an upper portion with a screw hole 60' extending below the opening 4'. However, with this structure, the positions of the screw holes 50' and 60' are determined by the welding positions of the plates that form the upper mounting piece 5' and the lower mounting piece 6', making it difficult to position the screw holes.

[0004] In response to this, as shown in the left diagram of Figure 9, it is conceivable to make it easier to position the screw holes by integrally forming the upper mounting piece 5 and the lower mounting piece 6 with the projected wall 210 of the door-end vertical frame 21 (please note that the left diagram of Figure 9 does not show a conventional example). In this case, when the base end portions of the upper mounting piece 5 and the lower mounting piece 6 are bent inward toward the projected wall 210, notches are formed on both sides of the upper mounting piece 5 and the lower mounting piece 6 before bending them (lance processing). However, due to limitations on the width dimensions of the upper mounting piece 5 and the lower mounting piece 6 that accompany processing and stretching of the bent portions (necked portions), there is a risk that the strength required for the lock portion will not be met.

[0005] Patent document 1 discloses an installation structure in which a lock box is fixed to a receiving seat that has a bent portion and is recessed toward the visible wall. However, this is intended to provide an installation structure between a door vertical frame and a cylinder lock that has an excellent appearance, is easy to install, reduces costs and installation time, and can reduce door manufacturing costs, and does not take into account the wind pressure resistance of the lock device at all. [Patent Document 1] Patent Publication No. 2010-106538 DISCLOSURE OF THE INVENTION [Problem to be solved by the invention]

[0006] The present invention provides a mounting structure for a lock device that has improved pressure resistance, such as wind pressure resistance. [Means for solving the problem]

[0007] The technical means adopted by the present invention to solve such problems are as follows: In a mounting structure for a lock box with a front plate, An opening is formed in a predetermined portion of the front wall of the vertical frame of the door body, and mounting pieces are provided above and below the opening, and screw holes are formed in each mounting piece. With the lock box inserted into the opening, the upper and lower extension pieces of the front plate are abutted against the upper and lower mounting pieces, respectively, and fixed with screws; The mounting piece is integrally formed with the recessed wall, The base end portion of the attachment piece is bent inward relative to the projection wall to form a bent portion, The upper and lower mounting pieces are provided with reinforcing means for suppressing deformation of the mounting pieces. A mounting structure for a locking device.

[0008] In one embodiment, the width of the attachment piece is smaller than the width of the opening.

[0009] In one embodiment, the reinforcing means is a build-up weld applied to the back surface of the bent portion of the mounting piece.

[0010] In one embodiment, the reinforcing means is a reinforcing plate that abuts against the back surface of the mounting piece, and the reinforcing plate has insertion holes formed in correspondence with the screw holes, The width dimension of the reinforcing plate is larger than the width dimension of the mounting piece, and both ends of the reinforcing plate in the width direction are in contact with or close to the inner surfaces of the pair of visible walls of the door-end vertical frame, The reinforcing plate is welded to the mounting piece and / or the inner surface of the mounting wall.

[0011] In one embodiment, the reinforcing plate is a flat plate, and both ends in the width direction are welded to the inner surfaces of the pair of facing walls. In one embodiment, the reinforcing plate has a U-shape in plan view, which is made up of a front portion and a pair of side pieces, and the pair of side pieces are welded to the inner surfaces of the pair of facing walls. In one embodiment, the reinforcing plate is welded to the mounting piece. [Effects of the Invention]

[0012] In the present invention, upper and lower mounting pieces are formed integrally with the projecting wall of the vertical frame on the door front side, and the base end portions of the mounting pieces are bent inward toward the projecting wall to form bent portions.By providing the upper and lower mounting pieces with reinforcing means to suppress deformation of the mounting pieces, the pressure resistance performance (typically wind pressure resistance performance) of the mounting portion of the lock box can be improved, and it can withstand wind pressure when the door body is in a fully closed position, and when a strong external force acts on the door body. [Brief explanation of the drawings]

[0013] [Figure 1] FIG. 2 is a front view of the door device in a fully closed position. [Figure 2] 1 is a diagram showing the mounting structure of a lock box according to the present embodiment; [Figure 3]This is a diagram showing a first embodiment of a reinforcing means for a mounting piece for attaching a lock box, with the left figure as the center, the upper figure is a cross-sectional view taken along arrow A in the left figure, and the right figure is a cross-sectional view taken along arrow B in the left figure. [Figure 4] FIG. 4 is a partially enlarged view of FIG. [Figure 5] This is a diagram showing a second embodiment of a reinforcing means for a mounting piece for attaching a lock box, with the left figure as the center, the upper figure is a cross-sectional view taken along arrow A in the left figure, and the right figure is a cross-sectional view taken along arrow B in the left figure. [Figure 6] 6A and 6B are enlarged views of the upper view of FIG. 5 and views showing a reinforcing plate which is a reinforcing means according to a second embodiment. [Figure 7] This is a diagram showing a third embodiment of a reinforcing means for a mounting piece for attaching a lock box, with the left figure as the center, the upper figure is a cross-sectional view taken along arrow A in the left figure, and the right figure is a cross-sectional view taken along arrow B in the left figure. [Figure 8] 8A and 8B are enlarged views of the upper view of FIG. 7 and views showing a reinforcing plate which is a reinforcing means according to a third embodiment. [Figure 9] The left figure shows the mounting piece according to this embodiment, and the right figure shows a conventional mounting piece. DETAILED DESCRIPTION OF THE INVENTION

[0014] [A] Door device Fig. 1 is a front view of a door device in a closed position, and the door device is made up of a door frame 1 and a door body 2. The door frame 1 has a vertical rectangular shape consisting of an upper frame 10, a leading edge vertical frame 11, a trailing edge vertical frame 12, and a lower frame 13, and the trailing edge portion of the door body 2 is rotatably attached to the trailing edge vertical frame 12 of the door frame 1 via a hinge H. The hinge H is an example of a means for rotating the door body 2, and may be, for example, a pivot hinge.

[0015] The door body 2 is made up of a framework consisting of an upper frame 20, a leading edge vertical frame 21, a trailing edge vertical frame 22, and a lower frame 23, and surface materials attached to the framework. The surface materials are made up of a first surface material that forms the exterior side of the door body 2, and a second surface material that forms the interior side of the door body 2. The first surface material and the second surface material each form the visible surface 24 of the door body 2, and their peripheral portions are folded to form half 240 of the leading edge visible surface (see Figure 2), half of the trailing edge visible surface, half of the upper end surface, and half of the lower end surface. The frame and surface materials are made of metal (for example, steel).

[0016] A locking device 3 is provided at a predetermined height position on the door edge of the door body 2. As shown in Figure 2, the locking device 3 has a lock box 30, which has a latch L and a deadbolt D built in so that they can move horizontally, and each can move between a protruding position in which it protrudes from the front plate 31 of the lock box 30 and a retracted position in which it does not protrude from the front plate 31.

[0017] The latch L appears and disappears in conjunction with the rotation of a handle 25 provided on the leading edge of the visible surface 24 of the door body 2, and the latch L and handle 25 are biased so that the latch L remains in a protruding position (locked position), maintaining the closed position of the door body 2. The deadbolt D is adapted to take a protruding position (locked position) or a retracted position (unlocked position) in conjunction with the rotation of a key inserted through a keyhole 26 provided on the leading edge of the visible surface 24 of the door body 2. A strike (not shown) is provided on the leading edge vertical frame 11 of the door frame 1 at a height corresponding to the locking device 3 of the door body in the fully closed position, and is capable of receiving and locking the latch L and deadbolt D in the protruding position.

[0018] [B] Locking device mounting structure The locking device 3 is attached to the door body 2 by cutting out the leading edge vertical frame 21 and surface material of the door body 2. The locking device 3 is fixed to the leading edge vertical frame 21 of the door body 2 with screws S. The mounting structure of the locking device 3 will now be described in detail.

[0019] As shown in Figures 3, 5, and 7, the door-end-side vertical frame 21 has a U-shaped cross section made up of a front wall 210 and a pair of front walls 211. A vertically rectangular opening 4 is formed in a predetermined portion of the front wall 210 of the door-end-side vertical frame 21, and upper and lower mounting pieces 5 and 6 are provided above and below the opening 4. As shown in the left diagram of Figure 9, gaps are formed between the upper and lower mounting pieces 5 and 6 on both sides of the front wall 211 on the left and right sides, and the widths of the upper and lower mounting pieces 5 and 6 are significantly smaller than the width of the opening 4. The reason for this is that when the upper and lower mounting pieces 5 and 6 are integrally formed (by bending) with the front wall 210 of the door-end-side vertical frame 21, the widths of the upper and lower mounting pieces 5 and 6 may be limited due to processing requirements.

[0020] The lock box 30 of the lock device 3 is a rectangular prism with a vertically rectangular cross section and a predetermined thickness, and its height dimension is smaller than the dimension between the lower end of the upper mounting piece 5 and the upper end of the lower mounting piece 6, and its width dimension (thickness of the lock box 30) is smaller than the width dimension of the opening 4, so that the lock box 30 can be inserted through the opening 4.

[0021] The front plate 31 fixed to the front of the lock box 30 is larger than the height dimension of the lock box 30 and has an upper extension piece 310 located above the upper end face of the lock box 30, and a lower extension piece 311 located below the lower end face of the lock box 30. Insertion holes for screws S are formed in predetermined positions of the upper extension piece 310 and the lower extension piece 311.

[0022] The upper mounting piece 5 is formed integrally with the visible wall 210 of the door-front vertical frame 21 of the door body 2, and the base end portion (upper end portion) of the upper mounting piece 5 is bent inward relative to the visible wall 210 to form a bent portion 50. A screw hole 51 is formed in a predetermined portion of the upper mounting piece 5. By forming the screw hole 51 in the upper mounting piece 5 that is formed integrally with the visible wall 210, it is easy to position the screw hole 51. Specifically, the screw hole 51 is formed before bending so that the screw hole 51 is located at a predetermined position in the upper mounting piece 5 when bent.

[0023] The lower mounting piece 6 is formed integrally with the visible wall 210 of the door-front vertical frame 21 of the door body 2, and the base end portion (lower end portion) of the lower mounting piece 6 is bent inward relative to the visible wall 210 to form a bent portion 60. A screw hole 61 is formed in a predetermined portion of the lower mounting piece 6. By forming the screw hole 61 in the lower mounting piece 6 that is formed integrally with the visible wall 210, it is easy to position the screw hole 61. Specifically, the screw hole 61 is formed before bending so that the screw hole 61 is located at a predetermined position in the lower mounting piece 6 when bent.

[0024] As shown in Figure 2, when the lock box 30 of the lock device 3 is inserted into the opening 4 formed in the front wall 210 of the vertical frame 21 on the door end side, the upper extension piece 310 of the front plate 31 abuts against the upper mounting piece 5, and the lower extension piece 311 of the front plate 31 abuts against the lower mounting piece 6, and the insertion hole of the upper extension piece 310 is aligned with the screw hole 51 of the upper mounting piece 5, and the upper extension piece 310 is fixed to the upper mounting piece 5 with the screw S, and the insertion hole of the lower extension piece 311 is aligned with the screw hole 61 of the lower mounting piece 6, and the lower extension piece 311 is fixed to the lower mounting piece 6 with the screw S.

[0025] 2, the upper mounting piece 5 and the lower mounting piece 6 are positioned inside the front surface of the projection wall 210, and with the upper extension piece 310 and the lower extension piece 311 abutting against the upper mounting piece 5 and the lower mounting piece 6, the front plate 31 and the projection wall 210 are approximately flush with each other. Furthermore, by fixing the outer plate 32 (which has openings formed to correspond to the latch L and deadbolt D) to the front plate 31 with screws S1, the outer plate 32 and the projection surface (half 240) on the door front side are approximately flush with each other.

[0026] In a door device in a fully closed position, when a large wind pressure or force acts on the door body 2, causing a large force to act on the locking device 3, the force acts on the upper mounting piece 5 and lower mounting piece 6 to which the lock box 30 is fixed. Here, gaps are formed on both sides of the upper mounting piece 5 and lower mounting piece 6 in this embodiment, which limits the width dimension and may prevent the locking device 3 from meeting the strength required.

[0027] [C] Reinforcement means for mounting piece [C-1] First Example 3 and 4, the first embodiment of the reinforcing means is buildup welding 7 applied to the back surface of the bent portion 50 of the upper mounting piece 5 and the back surface of the bent portion 60 of the lower mounting piece 6. The buildup welding 7 is applied across the entire width of the bent portion 50 of the upper mounting piece 5 and the entire width of the bent portion 60 of the lower mounting piece 6.

[0028] The build-up welding 7 can improve the strength of the bending portions 50, 60 at the base end of the upper mounting piece 5 and the lower mounting piece 6, and when a large wind pressure or force acts on the door body 2 and a large force acts on the lock device 3 in a door device in a fully closed position, deformation at the base end portions of the upper mounting piece 5 and the lower mounting piece 6 to which the lock box 30 is fixed is prevented as much as possible.

[0029] [C-2] Second Example 5 and 6, the second example of the reinforcing means includes a metal plate 8, and as shown in Fig. 6, the plate 8 has a U-shape in plan view, which is made up of a front surface 80 and a pair of side pieces 81, and an insertion hole 82 is formed in a predetermined position of the front surface 80. The insertion hole 82 according to this embodiment has a larger diameter than the screw holes 51 and 61.

[0030] The plate 8 has dimensions such that when the front portion 80 is abutted against the back surfaces of the upper mounting piece 5 and the lower mounting piece 6, the pair of side pieces 81 abut against the inner surfaces of the pair of visible walls 211. The width dimension of the front portion 80 of the plate 8 is greater than the width dimensions of the upper mounting piece 5 and the lower mounting piece 6. With the front portion 80 abutting against the back surfaces of the upper mounting piece 5 and the lower mounting piece 6, the plate 8 is fixed to the door-end vertical frame 21 by welding W1 the side pieces 81 to the inner surfaces of the visible walls 211, reinforcing the upper mounting piece 5 and the lower mounting piece 6. Furthermore, the front portion 80 is welded W2 to the upper mounting piece 5 and the lower mounting piece 6.

[0031] When the front surface 80 of the plate 8 is brought into contact with the back surface of the upper mounting piece 5, the insertion hole 82 coincides with the screw hole 51 of the upper mounting piece 5 (in this embodiment, the insertion hole 82 has a larger diameter than the screw hole 51), and the shank of the screw S screwed into the screw hole 51 passes through the insertion hole 82. When the front surface 80 of the plate 8 is brought into contact with the back surface of the lower mounting piece 6, the insertion hole 82 coincides with the screw hole 61 of the lower mounting piece 6 (in this embodiment, the insertion hole 82 has a larger diameter than the screw hole 61), and the shank of the screw S screwed into the screw hole 61 passes through the insertion hole 82.

[0032] The upper mounting piece 5 and the lower mounting piece 6 are reinforced by the front portion 80 of the plate 8 abutting against the entire back surface, and the side piece 81 of the plate 8 is welded to the inner surface of the visible wall 211 of the leading-side vertical frame 21. Therefore, when the door device is in the fully closed position and a large wind pressure or force acts on the door body 2, causing a large force to act on the lock device 3, the plate 8 (and the leading-side vertical frame 21) bears the force acting on the upper mounting piece 5 and the lower mounting piece 6, thereby minimizing deformation of the upper mounting piece 5 and the lower mounting piece 6 to which the lock box 30 is fixed. Note that only one of the welds W1 and W2 may be used. For example, even with only the weld W1, as long as the side piece 81 of the plate 8 is firmly fixed to the visible wall 211 of the leading-side vertical frame 21, the front portion 80 of the plate 8 can bear the force that would deform the upper mounting piece 5 or the lower mounting piece 6. Furthermore, even with only the weld W2, the force tending to deform the upper mounting piece 5 or the lower mounting piece 6 can be received by the visible wall 211 via the front surface 80 and side piece 81 of the plate 8.

[0033] [C-3] Third Example 7 and 8, the third example of the reinforcing means includes a metal plate 9, which is a rectangular plate with a through hole 90 formed in a predetermined position, as shown in Fig. 8. The through hole 90 according to this embodiment has a larger diameter than the screw holes 51 and 61.

[0034] The plate 9 is sized so that, when it is abutted against the back surfaces of the upper mounting piece 5 and the lower mounting piece 6, both ends in the width direction abut against the inner surfaces of a pair of visible walls 211, and the width dimension of the plate 9 is greater than the width dimensions of the upper mounting piece 5 and the lower mounting piece 6. The plate 9 is fixed to the door-end vertical frame 21 by welding W both ends in the width direction to the inner surfaces of the visible walls 211 while abutting against the back surfaces of the upper mounting piece 5 and the lower mounting piece 6, thereby reinforcing the upper mounting piece 5 and the lower mounting piece 6. Furthermore, the plate 9 may be welded to the upper mounting piece 5 and the lower mounting piece 6.

[0035] When the plate 9 is brought into contact with the back surface of the upper mounting piece 5, the insertion hole 90 coincides with the screw hole 51 of the upper mounting piece 5 (in this embodiment, the insertion hole 90 has a larger diameter than the screw hole 51), and the shank of the screw S threaded into the screw hole 51 passes through the insertion hole 90. When the plate 9 is brought into contact with the back surface of the lower mounting piece 6, the insertion hole 90 coincides with the screw hole 61 of the lower mounting piece 6 (in this embodiment, the insertion hole 90 has a larger diameter than the screw hole 61), and the shank of the screw S threaded into the screw hole 61 passes through the insertion hole 90.

[0036] The upper mounting piece 5 and the lower mounting piece 6 are reinforced by the plate 9 abutting against their entire back surfaces, and both widthwise ends of the plate 9 are welded to the inner surface of the visible wall 211 of the leading-side vertical frame 21. Therefore, when a large wind pressure or force acts on the door body 2 and causes a large force to act on the lock device 3 with the door device in the fully closed position, the plate 9 (and the leading-side vertical frame 21) bears the force acting on the upper mounting piece 5 and the lower mounting piece 6, thereby minimizing deformation of the upper mounting piece 5 and the lower mounting piece 6 to which the lock box 30 is fixed. Note that instead of the above welding W, the plate 9 may simply be welded to the upper mounting piece 5 and the lower mounting piece 6. In this case, the force that would deform the upper mounting piece 5 or the lower mounting piece 6 can be received by the visible wall 211 via the surface and both widthwise ends of the plate 8. [Explanation of symbols]

[0037] 2 Door body 21 Door end vertical frame 210 Exterior Wall 211 Mite wall 3 Locking device 30 lock box 31 Front plate 310 Upper extension piece 311 Lower extension piece 4 aperture 5 Upper mounting piece (mounting piece) 50 Bending part 51 Threaded hole 6 Lower mounting piece (mounting piece) 60 Bending part 61 Screw hole 7. Overlay welding (reinforcement method) 8 Plate (reinforcement means, reinforcing plate) 82 Insertion hole 9 Plate (reinforcement means, reinforcing plate) 90 Insertion hole S screw W, W1, W2 welding

Claims

1. In a mounting structure for a lock box with a front plate, An opening is formed in a predetermined portion of the front wall of the vertical frame of the door body, and mounting pieces are provided above and below the opening, and screw holes are formed in each mounting piece. With the lock box inserted into the opening, the upper and lower extension pieces of the front plate are abutted against the upper and lower mounting pieces, respectively, and fixed with screws; The mounting piece is integrally formed with the recessed wall, The base end portion of the attachment piece is bent inward relative to the projection wall to form a bent portion, The upper and lower mounting pieces are provided with reinforcing means for suppressing deformation of the mounting pieces. Mounting structure for locking device.

2. The width dimension of the attachment piece is smaller than the width dimension of the opening. The mounting structure of the lock device according to claim 1.

3. The reinforcing means is buildup welding applied to the back surface of the bent portion of the mounting piece.

3. The mounting structure of a lock device according to claim 1.

4. the reinforcing means is a reinforcing plate that abuts against the back surface of the mounting piece, and the reinforcing plate has insertion holes formed therein that correspond to the screw holes; The width dimension of the reinforcing plate is larger than the width dimension of the mounting piece, and both ends of the reinforcing plate in the width direction are in contact with or close to the inner surfaces of the pair of visible walls of the door-end vertical frame, The reinforcing plate is welded to the mounting piece and / or the inner surface of the mounting wall.

3. The mounting structure of a lock device according to claim 1.

Images