JP3058709U - Adjustment structure of door latch receiving bracket - Google Patents

Abstract

(57) [Problem] To provide an adjusting structure of a door latch receiving fitting capable of performing a slight displacement adjustment between an adjusting receiving case and a latch bolt by an adjusting plate which can be easily adjusted. SOLUTION: It is constituted by a cover 1, an adjustment receiving case 2, a movable box 3 and an adjustment board 4. A recess 22 for accommodating a latch bolt is provided in the adjustment receiving case 2.
Is provided, and a bottom plate 23 is provided at the bottom of the concave notch 22.
A hole 24 is provided so that the adjusting plate 4 can be rotatably fitted to the bottom plate 23.
Are formed. The movable box 3 is accommodated in the adjustment receiving case 2, and the bottom plate 32 at the bottom of the movable box is provided with a long groove hole 33, and the eccentric wheel 41 of the adjusting plate 4 is fitted into the long groove hole. By rotating the eccentric wheel 41 of the adjusting plate 4 to rotate the adjusting plate, the movable box 3 is moved laterally with respect to the adjustment receiving case 2, and the mounting position can be adjusted.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention mainly relates to a door latch receiving member, and more particularly to an adjustment structure of a door latch receiving member having a movably formed box.

[0002]

[Prior art]

 Conventionally, this type of door latch receiving bracket is generally configured as follows.

A door latch receiving bracket is used to restrain a door lock latch bolt so that the door stops at a fixed position when the door is closed. For this purpose, a door lock is usually attached to the door. A receiving bracket is attached to a corresponding position of the door frame corresponding to the above, and the latch bolt of the door lock is provided so as to advance into the latch bolt hole of the receiving bracket. When the door lock and the receiving bracket are attached, both are fixed to the door and the door frame by screws. Latch bolt cannot be inserted into latch bolt hole of receiving bracket. For this reason, it is not possible to hook the door with the door closed, or to fix the door in a fixed position, and to retract the safety bolt attached to the latch bolt into the door lock to lock the Locked locks cannot provide security, and if the gap between the latch bolt and the latch bolt hole is too large, the wind pressure may cause the door to rattle or generate noise. become. In addition, the latch bolt holes of the door lock and the receiving bracket cannot be adjusted for a small amount of displacement with respect to the screw, so if there is a deviation when assembled in advance, remove them and open a new hole. Since it has to be opened and fixed again, it is more inconvenient in assembling.

Japanese Unexamined Utility Model Publication No. 8-1291, “Receiving bracket for door latch” discloses an adjusting structure including a receiving cover, an adjusting receiving case, a sliding box, and a disk. A hole is provided in the recess of the sliding box, and a protrusion of a disk is fitted in this hole. The projection is provided with an engagement groove, and can be rotated by a driver from outside. When the projection is rotated, the disk is rotated internally, and the sliding box is configured to move left and right by the movement of the projection provided at the eccentric position of the disk.

[0005] The following problems can be pointed out for the door latch receiving metal described in the above publication.

That is, in the structure of the above-mentioned publication, when the driver is engaged with the engagement groove of the projection and rotated, the outer periphery of the disk is formed circular and only the disk comes into contact with the side plate of the adjustment receiving case. However, since the disc is not firmly attached to the side plate, the disc is not able to be adjusted as desired due to idling of the disc, which is not only inconvenient in work, but also uncertainty in holding the latch bolt. And the door could rattle.

[0007]

[Problems to be solved by the invention]

 The present invention has been made in view of such a problem of the conventional technology, and an object of the present invention is to provide an adjustment structure of a door latch receiving bracket which can achieve the following. .

An object of the present invention is to make it possible to easily adjust the displacement of the adjustment receiving case and the latch bolt by the adjustment plate which can be easily adjusted and securely held, and securely hold the latch bolt. It is an object of the present invention to provide a door latch receiving fitting adjustment structure that can be used.

[0009]

[Means for Solving the Problems]

 In order to solve the above problems, the adjustment structure of the door latch receiving fitting according to the present invention has the following configuration.

That is, the adjusting structure of the door latch receiving fitting of the present invention includes a cover, an adjusting receiving case, a movable box, and an adjusting plate, and the cover has a fixing hole and a latch for fixing to a door frame. A latch bolt hole through which a bolt penetrates is provided, and the adjustment receiving case is provided with a fixing hole facing the fixing hole of the cover so that the cover can be fixed to the door frame together with the cover. And a bottom plate having a hole formed so that the adjustment plate can be rotatably fitted to the adjustment box, and the moving box is provided with the adjustment receiving case. The adjustment receiving case is provided with ear edges on two opposite long sides to be supported by the two opposite long sides of the adjustment receiving case, and a long slot is provided on a bottom plate provided on the bottom. The adjustment plate is rotatably fitted in a hole of the bottom plate of the adjustment receiving case, and is supported by being sandwiched between the bottom plate of the movable box and the bottom plate of the adjustment receiving case. An eccentric ring is protruded from the panel so as to fit into a long slot of the movable box, and the movable box is configured to move laterally with respect to the adjustment receiving case by rotation of the adjustment board. I have.

Further, the adjusting structure of the door latch receiving fitting of the present invention can be configured as follows. 1. A projection is provided so as to protrude from one long side of the movable box, corresponding to a door lock in which a safety rod is provided adjacent to the latch bolt so as to be able to move forward and backward to lock the latch bolt. Provide a cutout groove on the cover where the above protrusion protrudes so that the safety rod of the latch bolt is pressed. 2. A non-circular hole is provided in the eccentric ring of the adjusting plate, and a tool is inserted into the non-circular hole to rotate the adjusting plate.

[0012]

[Embodiment of the invention]

 An embodiment of the present invention will be described below with reference to the drawings.

In the exploded perspective view of one embodiment of the present invention shown in FIG. 1, the adjusting structure of the door latch receiving bracket of the present invention is mainly composed of a cover 1, an adjusting receiving case 2, a movable box 3 and an adjusting panel 4. It is configured. The cover 1 is fixed to the surface of the door frame, has a relatively clean appearance and can be securely fixed to the frame so as to be used for hiding or fixing other parts. The cover 1 is fixed to a door frame by fixing parts 12 such as screws with fixing holes 11, and a latch bolt hole 13 having a relatively large area is formed in the cover 1. The latch bolt 5 penetrates (see FIG. 3).

The adjustment receiving case 2 can be pushed into a hole (not shown) formed in a door frame, and is provided with a fixing hole 21 corresponding to the cover 1, and together with the cover 1 by the fixing component 12. Fixed to the door frame. The adjustment receiving case 2 is provided with a concave notch 22 for accommodating the latch bolt 5, a bottom plate 23 is provided at the bottom of the concave notch 22, and the adjusting plate 4 is rotatably mounted on the bottom plate 23. A hole 24 is formed so that it can be fitted.

The movable box 3 is formed in a box shape having an appropriate length, width, and depth, and is accommodated in the concave notch 22 of the adjustment receiving case 2, and is horizontally inserted in the concave notch 22. You can move in the direction. The movable box 3 has two protruding edge portions 31 formed thereon, and the edge portions 31 can be fixed to the two opposing edges of the adjustment receiving case 2. The adjustment plate 4 can be sandwiched and supported between the bottom plates 23 of the adjustment receiving case 2. The bottom plate 32 is provided with a substantially rectangular long groove hole 33, into which an eccentric wheel 41 of the adjusting plate 4 described later fits. The recess formed in the movable box 3 can accommodate the latch bolt 5.

A safety rod 51 of the latch bolt 5 is pressed on one long side of the movable box 3 as shown in FIG. 3, but preferably, a position where the safety rod 51 abuts as shown in the figure. A protrusion 34 is provided so as to protrude therefrom. The cover 1 is provided with a notch groove 14 for the protrusion 34, and the protrusion 34 protrudes from the notch groove 14, so that the protrusion 34 and the surface of the cover 1 become a flat plane. For this reason, when the door is closed, the safety rod 51 of the latch bolt 5 is securely retracted into the door lock, and the latch bolt 5 can be locked, whereby the latch bolt 5 can be directly moved by unauthorized means. Security can be provided so that it does not shrink even if it is pressed against

The adjusting plate 4 is formed in a disk shape having a relatively large diameter so that the adjusting plate 4 can be fitted in the hole 24 of the adjustment receiving case 2 and rotated at a fixed position. An eccentric wheel 41 protrudes from the adjusting plate 4. The eccentric wheel 41 is fitted into the long slot 33 of the movable box 3, and the eccentric wheel 41 is eccentric by rotating the adjusting plate 4. By rotating, the movable box 3 can be moved laterally with respect to the adjustment receiving case 2. The turning of the adjusting plate 4 can be performed by forming a non-circular hole 42 in the eccentric wheel 41 of the adjusting plate 4 and inserting a tool such as a screwdriver into the non-circular hole 42 if necessary. It can be configured to rotate.

FIGS. 2 and 3 show a front view and a cross-sectional view of a state in which the above-described members are combined. The movable box 3 is housed in the recess 22 of the adjustment receiving case 2. 4 is fitted in the hole 24 of the adjustment receiving case 2 and pushed by the bottom plate 32 of the movable box 3 to be sandwiched between the bottom plates 23 of the adjusting receiving case 2; The third protrusion 34 is fitted into the cutout groove 14 of the cover 1. Then, when the fixing part 12 is screwed into the frame of the door through the fixing holes 11 and 21, the cover 1 and the adjustment receiving case 2 are fixed at a fixed position. In the state shown in FIGS. 2 and 3, the movable box 3 is located on the left side in the drawing within the recessed portion 22 of the adjustment receiving case 2.

FIGS. 4 and 5 show another example of the adjustment. In this case, since the latch bolt 5 is opposed to the center of the latch bolt hole 13, the above-mentioned fixing component is loosened, and the adjusting plate 4 is turned by 90 ° so that the eccentric wheel 41 is positioned below the long slot hole 33. When the movable box 3 is lowered to the right, the movable box 3 moves to the right, and is located substantially at the center of the recess 22 (see FIG. 4). Then, the above-mentioned fixed component may be tightened as before.

In still another example of the adjustment shown in FIGS. 6 and 7, when the adjusting platen 4 is further rotated to 180 °, the eccentric wheel 41 rises to an intermediate position of the long slot 33, thereby allowing the movable member to move freely. The box 3 is located in the recess 22 of the adjustment receiving case 2 on the right side in the drawing.

[0021]

[Effect of the invention]

 Since the present invention is configured as described above, the following effects can be obtained.

According to the present invention, the horizontal movement of the movable box 3 can be adjusted by only slightly loosening the fixed part 12, and the latch bolt is adjusted by adjusting according to the deviation generated when the door lock is attached. It can be firmly locked and can be applied not only to door locks with or without safety rods, but also to deadbolt fittings. Since it is rotatably fitted into the hole formed in the bottom plate and is sandwiched and supported between the bottom plate of the movable box and the bottom plate of the adjustment receiving case, the rotation can be adjusted and reliably adjusted. It is stable in the adjusted position and can prevent the door from rattling, which is very convenient for adjustment.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

FIG. 2 is a front view showing a combined state of the embodiment shown in FIG. 1 of the present invention;

FIG. 3 is a sectional view taken along line 3-3 in FIG. 2;

FIG. 4 is a front view showing an example in which the embodiment of FIG. 2 is adjusted.

FIG. 5 is a sectional view taken along line 5-5 in FIG. 4;

FIG. 6 is a front view showing another example in which the embodiment of FIG. 2 is adjusted.

FIG. 7 is a sectional view taken along the line 7-7 in FIG. 6;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cover 2 Adjustment receiving case 3 Movable box 4 Adjustment board 5 Latch bolt 11 Fixing hole 12 Fixing part 13 Latch bolt hole 14 Notch groove 21 Fixing hole 22 Depressed portion 23 Bottom plate 24 hole 31 Ear edge 32 Bottom plate 33 Long groove hole 34 Projection 41 Eccentric wheel 51 Safety rod

Claims (3)

[Utility model registration claims] A cover (1), an adjustment receiving case (2),
Equipped with a movable box (3) and an adjustment board (4),
The cover (1) is provided with a fixing hole (11) for fixing to the door frame and a latch bolt hole (13) for penetrating the latch bolt (5) of the door lock. ) So that it can be fixed to the door frame together with the cover (1).
A fixing hole (21) corresponding to (1) is provided, and a concave notch (22) for accommodating the latch bolt (5) is formed,
A hole (24) is formed in a bottom plate (23) provided at the bottom of the concave notch (22) so as to rotatably fit the adjustment plate, and the movable box (3) is provided with the adjustment receiving case. Su (2)
The adjustment receiving case (2)
The movable box (3) is provided with an edge (31) at two opposite long sides so as to be supported by the two opposite long sides, and a long slot (33) is formed at a bottom plate (32) provided at the bottom. The adjustment plate (4) is rotatably fitted in the hole (24) of the bottom plate (23) of the adjustment receiving case (2), and the bottom plate (32) of the movable box (3) and the adjustment receiving case. (2) is supported by being sandwiched between bottom plates (23), and the movable plate (3) is provided with a long slot (3) in the adjusting plate (4).
An eccentric wheel (41) is protruded so as to be fitted into 3), and the movable box (3) is moved laterally with respect to the adjustment receiving case (2) by the rotation of the adjustment plate (4). An adjustment structure for a door latch receiving fitting formed on the door. 2. A projection (34) is provided on one long side of the movable box (3), and a notch groove (14) is provided in the cover (1) so as to project the projection (34). 2. The adjustment structure for a door latch receiving bracket according to claim 1, wherein the safety rod (51) of the latch bolt (5) is formed so as to be pressed against the projection (34) protruding from the notch groove (14). 3. The eccentric ring (41) of the adjusting plate (4) is provided with a non-circular hole, and a tool is inserted into the non-circular hole to rotate the adjusting plate (4). Item 2. An adjustment structure of the door latch receiving member according to Item 1.