JP2002097820A - Rattling prevention mechanism of keeper for hook lock - Google Patents

Abstract

PROBLEM TO BE SOLVED: To cope with rattling resulting from a required difference preset, long time use, during the fitting time. SOLUTION: This rattling prevention mechanism comprises a block-shaped lifting hook piece 30 guided by the right and left vertical guide part 21 formed in the box part 13 of a grout guard 11 and having a receiving face 34 for receiving the hook-shaped tip part 3a of a hook piece 3, a first spring 45 for energizing the lifting hook piece to the opening window 9 side of a receiving plate 7, and a second spring 48 for always energizing the lifting hook piece 30 to the vertical bottom wall 14 side of the grout guard 11 so as to slightly move apart from the inner wall surface 7a of the receiving plate 7. When the hook piece is completely hooked with the lifting hook piece 30 with the first and second springs elastically deformed when a door is closed, a contact engaging tooth 42 provided in the lifting hook piece 30 is engaged with continuous engaging teeth 23 provided in the vertical guide part 21 of the grout guard 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is applicable to a rattling preventing mechanism of a sickle lock bracket.

[0002]

2. Description of the Related Art In this kind of technical field, there is, for example, Japanese Utility Model Laid-Open No. 3-30528. As described in this publication, even a general sliding door that closes against a door frame,
Whether it is a sliding door that closes with its ends facing each other,
It is considered that a slight gap is formed between the receiving plate of the metal fitting on the door frame side and the facing end surface. In particular, in the former case, the distance between the front of the strike of the door frame side bracket and the front of the front side of the sliding door side sickle lock is 1 m in the industry as "Chile".
In some cases, gaps such as m, 3 mm, and 5 mm are set.
In addition, if the sliding door is used for a long time, the sliding door may be loosened or a certain degree of backlash may occur due to abrasion of the door roller. Assuming such a case, it is demanded to prevent "play" in the vertical direction of the sliding door and the opening direction of the sliding door when the door is closed.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned demands, and a first object of the present invention is to reduce the backlash in the opening direction of a sliding door, especially in a regular building state. Is what you can do. Also, play during installation,
That is, it is possible to deal with backlash or the like due to long-term use. The second object is to be able to smoothly absorb the setting or error of play when the sickle pieces are engaged. A third object is to rationally combine the components.

[0004]

The rattling preventing mechanism of the receiving device for a sickle lock according to the present invention is guided by left and right vertical guide portions 21 formed in a box portion 13 of the troyoke 11 and a hook of the sickle piece 3. Lifting and lowering engagement piece 30 having a receiving surface 34 for receiving the front end portion 3a, a first spring 45 for urging the upward and downward movement engagement piece 30 toward the opening window 9 of the receiving plate 7, and a lifting and lowering engagement piece A second spring 4 that constantly biases 30 toward the vertical bottom wall 14 side of the trojan 11 so as to be slightly away from the inner wall surface 7a of the receiving plate 7
8, when the sickle piece is completely engaged with the vertically movable engagement piece 30 with the first and second springs elastically deformed when the door is closed, the contact engagement teeth provided on the vertically movable engagement piece 30 4
2 engages with continuous engagement teeth 23 provided on the vertical guide portion 21 of the trojanoke 11.

[0005]

FIG. 1 schematically shows an example of the embodiment. Here, the environment of the embodiment will be briefly described. 1 is a sliding door. Reference numeral 2 denotes a lock case of a sickle lock body mounted in a recess at the opening / closing end of the sliding door 1. Reference numeral 3 denotes a sickle piece that is supported by the lock case 2 via a fixed shaft 4. Sickle piece 3 is lock case 2
It is provided to be able to enter and exit freely. The lock case 2 of the sickle lock (main body) is provided with a mechanism for sending the sickle piece 2 to the metal fittings side, a temporary locking mechanism, a main locking mechanism, and the like. I do.

[0006] Next, reference numeral 5 denotes a door frame, for example, in a recess formed in the door frame 5, a fastener X for a sickle lock inside a rattling prevention member (mechanism) of the present invention is mounted. Bracket X for sickle lock
When the sliding door 1 is closed, it faces the sickle lock, and the sickle piece 3 is indirectly engaged with the back surface of the receiving plate of the receiving bracket X.

First, the main components will be described with reference to FIGS. Reference numeral 7 denotes a long plate-shaped receiving plate which is generally called a strike.
As shown in FIG. 4, a pair of mounting holes 8, 8 are formed. Reference numeral 9 denotes an opening window formed near the lower end of the receiving plate 7, and the hook-shaped tip portion 3 a of the sickle piece 3 enters through the opening window 9. Reference numeral 10 denotes a pair of upper and lower screw holes formed in the vicinity of the mounting hole.
It corresponds to one through-hole 12.

The overall shape of the troyoke 11 is substantially the same as that of an ordinary troyoke. In other words, reference numeral 13 denotes a channel-shaped (front open state) box portion that enters the recess formed in the door frame 5. The wall portions of the box portion 13 having the front opening will be further described. Reference numeral 14 denotes a vertical bottom wall facing the receiving plate 7, and 15 denotes an upper and lower portion formed by bending the upper and lower ends of the vertical bottom wall to face each other. The walls 16 are left and right side walls with respect to the upper and lower walls 15, 15.

Reference numeral 17 denotes upper and lower mounting projections formed by bending the ends of the upper and lower walls 15 and 15 in the vertical direction, respectively.
Small through-holes 12 for the first fixing member 18 for integrating the support plate 7 with the receiving plate 7 and through-holes 19 slightly larger than the mounting holes 8 for the receiving plate 8 are formed. .
Reference numeral 20 denotes a second fixing tool.

[0010] However, the troyoke 11 of the present invention comprises:
It differs from a general troyoke in that it has continuous engagement teeth on a pair of left and right vertical guides. That is, reference numeral 21 denotes window-shaped vertical guide portions formed on the left and right side walls 16 and 16 of the box portion 13, respectively.
A pair of left and right continuous engaging teeth 23, 23 are formed in the longitudinal direction on the longitudinal long sides 22, 22, respectively, on the side of the receiving plate 7 forming the first part. In this embodiment, the left and right continuous engagement teeth 23, 2
Numeral 3 is continuously formed in a wavy shape from a portion near the upper end of the vertically long side 22 to the lower end thereof.

Next, the rattling preventing member Y of the sliding door incorporated in the metal fitting X will be described. As shown in FIG. 5, the rattling preventing member Y for a sliding door according to the present invention includes a block-shaped lifting and lowering engagement piece 30 having an inclined receiving surface for receiving the hook-shaped tip portion 3a of the sickle piece 3, and this lifting and lowering engagement piece 30. A pair of left and right elongated engaging plates 41 fixedly provided on the
0 to the opening window 9 side (for example, downward) of the receiving plate 7, and the vertical bottom wall of the troyoke 11 so that the lifting and lowering engagement piece 30 is also slightly away from the inner wall surface 7 a of the receiving plate 7. And a second spring 48 that is constantly biased toward the 14 side. Therefore, hereinafter, these components will be described in order.

"Elevating / moving engaging piece 30". The block-shaped elevating / moving engaging piece 30 has a short prismatic portion 3 as shown in FIG.
0a, and a fingertip-like portion 30b formed continuously from the middle of the lower surface of the short prismatic portion 30a downward.

As shown in FIG. 5, the upper wall 31 of the short prismatic portion 30a has a flat surface against which the lower end of the first spring 45 presses, and the left and right side walls of the short prismatic portion 30a. 32 has a plurality of mounting holes 33 for fixing the elongated engagement plate 41 by caulking. On the other hand, the lower surface of the fingertip portion 30b is formed as an inclined receiving surface 34 for receiving the hook-shaped tip portion 3a of the sickle piece 3 when the door is closed in this embodiment. Further, the front wall 35 facing the inner wall surface 7a of the receiving plate 7 of the elevating and lowering engagement piece 30 is provided with a notch in the vertical direction from an edge of the upper wall 31 to an appropriate portion for a second spring 48. A fitting portion 36 is provided. An appropriate portion of the inner wall surface 36a of the fitting portion 36 is provided with an engagement small protrusion 3 as an engagement portion.
7 are formed.

[Engagement plate 41] A pair of left and right elongated engagement plates 41 are caulked and fixed to the left and right side walls 32, 32 of the short prismatic portion 30a of the vertically moving engagement piece 30. Thus, the lower end of the elongated engagement plate 41 has
Abutment teeth 4 that can be disengaged from the aforementioned continuous engagement teeth 23
2 are formed. Also, a crimping fixing mounting hole 43 is formed at an appropriate position. Reference numeral 44 denotes a rod-shaped stud body.

"First spring 45"... The first spring 45 employs a compression coil spring, and is interposed between the lower surface of the upper wall 15 of the box 13 and the upper wall 31 of the lifting and lowering engagement piece 30.

"Second spring 48"... As the second spring 48, a leaf spring is employed, and the front wall 35 of the vertically moving engagement piece 30 and the receiving member X
And the inner wall surface 7a of the receiving plate 7. The shape of the second spring 48 will be described with reference to FIG. The leaf spring 48 is formed as a whole with a "whisker-like" cross section, and a vertical projection central portion 49 has a small engagement hole as an engaged portion which engages with the engagement small projection 37 of the lifting and lowering engagement piece 30. 50 are formed. Vertically inclined portions 51, 51 are respectively provided above and below the vertical projection central portion 49, and the upper and lower inclined portions 51, 51 have vertical slides whose ends are appropriately bent. Portions 52, 52 are provided continuously.

Finally, the operation will be described. As shown in FIG. 2, before the distal end portion 3 a of the sickle piece 3 enters the metal fitting X, the vertically moving engagement piece 30 is urged downward by the first spring 45, so that it is integral with the vertically movable engagement piece. The lower end surface of the engagement plate 41 is in contact with the lower side of the trowel 11 forming the window-shaped vertical guide portion 21. Further, since the lifting and lowering engagement piece 30 is pressed by the second spring 48 toward the vertical bottom wall 14 of the trojan 11, the contact engagement teeth 42 of the engagement plate 41 are
It is remote from one continuous engagement tooth 25.

Therefore, when the sliding door 1 is closed as shown in FIG. 7, the tip 3a of the sickle piece 3 enters through the opening window 10 of the metal fitting X, and the inclined receiving piece 30 of the lifting / lowering moving piece 30 is inclined. Assume that the surface 34 is completely engaged. In this case, as shown in FIG. 6, the lifting and lowering engagement piece 30 has a window-like shape of the troyoke 11 due to the contact or sliding relationship between the tip 3 a of the sickle piece 3 and the inclined receiving surface 34 of the lifting and lowering engagement piece 30. It rises through a pair of engagement plates 41 that slide on the vertical guide portion 21 and against the spring force of the first spring 45, and is slightly inclined by the pressing action of the sickle piece. At this time, the contact engagement teeth 42 of the engagement plate 41
Engages with the continuous engagement teeth 25 of the trowel 11. Further, the second spring 48 is configured such that the contact engagement teeth 42
It functions elastically so as to mesh with (the elastic deformation function of the leaf spring). FIG. 1 shows the relationship between the sickle piece and the rattling preventing member Y of the sliding door when the door is closed. In addition, scythe piece 3
The first panel 45 and the second spring 48 each perform an elastic return deformation function when the is moved away from the lifting and lowering engagement piece 30, so that the lifting and lowering engagement piece 30 is in the initial state as shown in FIGS. Return.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In this embodiment, a lifting and lowering engaging piece 30 and an engaging piece 41 are formed separately, and the engaging piece 41 is fixed to the side wall 32 of the lifting and lowering engaging piece 30 by caulking. However, an engagement protrusion 41 having a contact engagement tooth 42 may be formed on a side wall of the lifting and lowering engagement piece 30.

A second wall is attached to the front wall 35 of the vertically moving engagement piece 30.
Although the fitting recess 36 for the spring is formed, the fitting recess may not be formed and the second spring may be integrally attached to the front wall 35 in a mere vertical state.

[0021]

As apparent from the above description, the present invention has the following effects. (1) It is possible to deal with a play when a desired dust is set, a play at the time of attachment, a play due to long-term use, and the like. (2) The setting or error of play can be smoothly absorbed when the sickle pieces are engaged. (3) Each component can be rationally combined.

[Brief description of the drawings]

 1 to 7 are explanatory views showing an embodiment of the present invention.

FIG. 1 is a schematic explanatory view showing an example of an embodiment of the present invention.

FIG. 2 is an explanatory view from the right side.

FIG. 3 is an exploded perspective view of the whole.

FIG. 4 is an exploded perspective view of the metal fitting.

FIG. 5 is a perspective view of a rattling preventing member.

FIG. 6 is a schematic explanatory view showing an operation state of a main part.

FIG. 7 is a schematic explanatory view showing an example when the door is closed.

[Explanation of symbols]

X: metal fittings, Y: rattling prevention member, 1: sliding door, 2: lock case, 3: sickle piece, 4: fixed shaft, 7: receiving plate, 7a: inner wall surface, 9: opening window, 11: troyoke, 12 ... Small through hole, 1
3 ... box part, 14 ... vertical bottom wall, 15 ... upper and lower walls, 16
... left and right side walls, 17 ... upper and lower protruding walls, 18, 20 ... fasteners, 21 ... vertical guide parts, 23 ... continuous engagement teeth, 30 ...
Lifting and lowering engagement pieces, 31 ... upper wall, 32 ... left and right side walls, 33 ...
Mounting hole, 34 receiving surface, 35 front wall, 36 fitting part, 37
... engaging portion, 41 ... engaging plate, 42 ... abutment engaging tooth, 43 ... mounting hole, 45 ... first spring, 48 ... second spring, 49 ... central portion, 50 ... engaged portion.

Claims (4)

[Claims] 1. A block-shaped ascending and descending engaging piece which is guided by left and right vertical guide parts 21 formed on a box part 13 of a troyoke 11 and has a receiving surface 34 for receiving a hook-like tip part 3a of a sickle piece 3. 30; a first spring 45 for urging the lifting / lowering engagement piece 30 toward the opening window 9 of the receiving plate 7;
And a second spring 48 that constantly urges the vertical bottom wall 14 side of the trowel 11 so as to slightly move the inner spring 7 from the inner wall surface 7a of the receiving plate 7. When the door is closed, the first and second springs are each elastically deformed. When the sickle piece is completely engaged with the vertically moving engagement piece 30 in the state, the contact engagement teeth 42 provided on the vertically moving engagement piece 30
A rattling preventing mechanism for a sickle lock receiving member, which engages with continuous engaging teeth 23 provided on the vertical guide portion 21 of the trojanoke 11. 2. A sickle lock according to claim 1, wherein the receiving surface of the lifting and lowering engagement piece is formed to be inclined with respect to the hook-like tip portion of the sickle piece. A rattling prevention mechanism for the bracket. 3. The engagement plate 41 according to claim 1, wherein the left and right side walls 32 of the vertically movable engagement piece 30 have contact engagement teeth 42.
The rattling prevention mechanism of the sickle lock receiving member, characterized by being fixed. 4. The first spring according to claim 1, wherein the second spring is a leaf spring, and a central portion thereof is integrally formed with a notched recess-shaped fitting portion formed on a front wall of the block-shaped vertically moving engagement piece. A rattling prevention mechanism for a sickle lock receiving member, which is fitted into the sickle lock.