JP2565101Y2 - Auxiliary lock for sliding door - Google Patents

Description

[Detailed description of the invention]

[0001]

[Industrial application] The present invention relates to an auxiliary lock for a sliding door,
More particularly, the present invention relates to an auxiliary lock for fixing an inner sash of a double door type sliding door having a inner sash and an outer sash slidably built in a window frame in an in-plane direction to a window frame in a closed position.

[0002]

2. Description of the Related Art In a double-door type sliding door in which an inner sash and an outer sash are slidably mounted in a window frame in an in-plane direction, the inner sash is fixed to the window frame at a closed position and the one-sided sliding door is pulled. It may be a door.

[0003] As described above, as an auxiliary lock for fixing the inner sash to the window frame, for example, as shown in Japanese Utility Model Publication No. 57-44055, a lock is attached to the upper frame of the inner sash to be movable up and down. It is known that a part of an upper rail of a frame is punched out to form a locking portion, and a lock is engaged with the locking portion to fix the inner sash to the window frame.

[0004]

[Problem to be solved by the invention] With such an auxiliary lock, the upper frame is fixed to the upper rail, so that the inner sash is not sufficiently fixed. The lock is tightened and loosened, and the lock is held. Since the lock is moved to the upper position and the lower position, the operation of moving the lock up and down becomes very troublesome.

Therefore, an object of the present invention is to provide an auxiliary lock for a sliding door which can solve the above-mentioned problem.

[0006]

Means for Solving the Problems A lock body 1 is inserted into a frame 10 of a shoji A which is slidably built in a window frame B in an in-plane direction.
9 is provided so as to be movable up and down, and an operating body 20 is vertically movably mounted along the other vertical plate 14 in the in-plane direction of the joining frame 10, and the operating body 20 and the lock body 19 are connected to each other, The lower frame 1 of the frame B has a projecting horizontal piece 4 facing the outside of the room below the indoor lower rail 2 for guiding the inner sash A slidably. An auxiliary lock for a sliding door, characterized in that a notch 5 is formed in the portion to form an engaging portion 6 with which the lock body 19 engages.

[0007]

[Operation] By moving the lock body 19 up and down by the operating body 20, it can be engaged with and disengaged from the engaging portion 6 of the lower frame 1 to fix and release the inner sash A to the window frame B. Since 10 is fixed to the window frame B, the inner sash A can be firmly fixed to the window frame B,
In addition, since the operating body 20 is provided on the other vertical plate 14 in the in-plane direction of the frame 10, the operating body 20 is operated by inserting a hand from the other side in the in-plane direction of the inner sash A without any obstacle. Operation becomes easy. Further, since the engaging portion 6 of the lower frame 1 is formed by the cutout 5 of the protruding horizontal piece 4, it is not necessary to attach a member for fixing the inner sash A to the lower frame 1, and the assembly of the window frame is easy. Then, the lock body 19 is fitted into the cutout portion 5, so that the inner sash A can be securely fixed.

[0008]

[Embodiment] As shown in Fig. 1, an inner sash A is slidably mounted on a window frame B in a laterally out-of-plane direction toward a room, and a lower frame 1 of the window frame B is connected to a lower rail 2 on the indoor side. It has a protruding horizontal piece 4 integrally provided below the outdoor lower rail 3 and the indoor lower rail 2, and the inner sash A is slidable along the lower indoor rail 2. The sliding door is slidable along the outer lower rail 3 to form a double sliding door, and a notch 5 is formed at a longitudinally intermediate portion of the protruding horizontal piece 4 to form an engaging portion 6.
It has become.

As shown in FIG. 1, the frame 10 for indoor shoji A comprises an indoor vertical plate 11, an outdoor vertical plate 12, an in-plane one-side vertical plate 13, an in-plane other-side vertical plate 14, an intermediate partition plate. 15 is a long member having a cross-sectional shape having first and second hollow portions 16 and 17, and a smoke return 18 is integrally provided on the outdoor vertical plate 12;
A lock body 19 is inserted into the second hollow portion 17 so as to be vertically movable, and an operation body 20 disposed vertically movable along an in-plane direction other-side vertical plate 14 and the lock body 19 are connected to each other. Operation body 2
0 and move downward to lock the second hollow portion 17.
By projecting further downward, the mating frame 10 is fixed to the lower frame 1 by engaging with the engaging portion 6, and when the operating body 20 is moved upward, the lock body 19 is stored in the second hollow portion 17. Thus, the fixing to the lower frame 1 of the mating frame 10 is released by separating from the engaging portion 6.

Next, details of each section will be described. As shown in FIG. 2, a sliding block 21 is fitted and screwed to a lower portion of the second hollow portion 17 of the mating frame 10, and the sliding block 21 has a shape that is closely fitted to the second hollow portion 17. A flat hook-shaped notch 22 is formed at the corner on the other side in the in-plane direction on the outside of the room.
Formed on the first longitudinal guide surface 2 and opened on one side in the out-of-plane direction
3 and a guide portion 25 having a second vertical guide surface 24 opened to the other side in the in-plane direction. When the sliding block 21 is fitted into the second hollow portion 17 as shown in FIG. The inner surface of the outer vertical plate 12 and the inner surface of the other vertical plate 14 in the in-plane direction constitute a lock body insertion space 26.

As shown in FIG. 2, the lock body 19 has first and second end surfaces 27 and 28 facing each other in the width direction, first and second side surfaces 29 and 30 facing the thickness direction, and an upper surface 31. Lower surface 32
Is a long material having a cross section substantially the same as that of the lock body insertion space 26. Notches 33 are formed in upper and lower portions of the first end surface 27, respectively, and the upper and lower portions are narrower than the middle portion. Are formed in the upper and lower middle portions of the first and second end surfaces 27 and 28.
A pair of upper and lower through-holes 34 is formed between the recesses 27a and 28a. The lock body 19 has a second end surface 28 in the lock body insertion space 26 in the in-plane direction and the inner surface of the other vertical plate 14 on the other side. Is inserted opposite to.

As shown in FIG. 2, the operating body 20 is a long material having a rectangular cross section, and a pair of upper and lower through holes 35 are formed over the opposing one side surface 20a and the other side surface 20b.
A pair of upper and lower protrusions 36 are formed on the other side surface 20b, and a mounting piece 38 of a leaf spring 37 is formed. A pair of upper and lower slots 3 formed on the in-plane vertical plate 14 of the mating frame 10 are formed.
A pair of upper and lower protrusions 36 is inserted into the hole 9, and a leaf spring 37 is inserted into the positioning hole 40. The screw 41 is screwed into the hole 34 of the lock body 19 through the through hole 35 of the operating body 20. The operation body 20 and the lock body 19 are connected. Thus, by inserting the lock body 19 into the lock body insertion space 26, the lock body 19 is positioned in the mating frame 10 in the in-plane and out-of-plane directions so that the lock body 19 does not come out. The operation body 20 and the lock body 19 can be held by inserting the projection 36 and the mounting piece 38 of the operation body 20 into the long hole 39 and the positioning hole 40 and screwing the screw 41 to connect the operation body 20 and the lock body 19, which facilitates the connection work. Become.

The positioning hole 40 is vertically elongated, and has a substantially trapezoidal first and second concave portions 42, 43 on one side vertical surface 40a.
Is formed, and the U-shaped projection 37a of the leaf spring 37 is
-By engaging the second concave portions 42 and 43, the lock body 19 and the operating body 20 can be held at the upper position and the lower position,
By simply moving the operating body 20 up and down by hand, the lock body 19
Can be engaged with and disengaged from the engaging portion 6 of the lower frame 1 to fix and release the inner sash A to the window frame B.

Further, as shown in FIG. 4, the lock body 19 is turned upside down and the first end face 27 is inserted into the in-plane direction other side vertical plate 1 of the joining frame 10.
When the lock body 19 is inserted into the lock body insertion space 26 facing the inner surface, the engagement projection 19a of the lock body 19 is closer to one side in the in-plane direction than the case shown in FIG. 3 (to the right in FIGS. 3 and 4). Even if the location and size of the engaging portion 6 of the lower frame 1 are the same and the find frame is large, the lower part of the lock body 19a is fixed to the engaging portion 6 of the lower frame 1.
Can be engaged.

[0015] That is, the dimensions found combined stile 10 dimensions find a for sheet glass is L _1, and the combined stile 10 callings shown in FIG. 4 is a for double glazing callings shown in FIG. 3 is L
₂ (L ₁ <L ₂ ), the size of the mating frame 10 is shifted to the other side (left side in FIGS. 3 and 4) of the lock body insertion space 26 in the in-plane direction. If the positions and sizes of the engaging portions 6 are the same, the engaging protrusions 19a of the upper frame 19 cannot be engaged with the engaging portions 6, and in this case, the lock lever 19 is turned over as described above. The position of the engaging projection 19a is shifted to the other side in the in-plane direction to engage with the engaging portion 6. Note that the lock body 19 and the operation body 20 may be provided on the upper part of the mating frame 10 and the locking rod 19 may be engaged with the engaging portion of the upper frame. The operation bodies 20 may be provided respectively.

[0016]

The lock body 19 is moved up and down by the operating body 20 to engage and disengage with the engaging portion 6 of the lower frame 1 to fix and release the inner sash A to the window frame B. Since the frame 10 is fixed to the window frame B, the inner sash A can be firmly fixed to the window frame B. In addition, since the operation body 20 is provided on the other vertical plate 14 in the in-plane direction of the mating frame 10, there is no obstacle. The operation body 20 can be operated by putting a hand from the other side in the in-plane direction of the inner sash A having no object, and the operation is simplified. Further, since the engaging portion 6 of the lower frame 1 is formed by the cutout 5 of the protruding horizontal piece 4, it is not necessary to attach a member for fixing the inner sash A to the lower frame 1, and the assembly of the window frame is easy. Then, the lock body 19 is fitted into the cutout portion 5, so that the inner sash A can be securely fixed.

[Brief description of the drawings]

FIG. 1 is a perspective view of a lower portion of a combination frame and a lower frame portion.

FIG. 2 is an exploded perspective view of a combination frame, a lock body, an operation body, and a sliding block.

FIG. 3 is a cross-sectional view of a mat frame in which a lock body and an operation body are attached.

FIG. 4 is a cross-sectional view of a combination frame having a large find size.

[Explanation of symbols]

A: inner sash, B: window frame, 1: lower frame, 6: engaging portion, 10 ...
Mating frame, 14: vertical plate on the other side in the plane, 19: lock, 2
0: operation body.

Claims (1)

(57) [Scope of request for utility model registration] 1. A lock 19 is vertically movable within a mating frame 10 of a shoji A which is slidably mounted in a window frame B in an in-plane direction. An operation body 20 is mounted along the side vertical plate 14 so as to be vertically movable.
0 and the lock body 19, and the lower frame 1 of the window frame B is slidably guided by the inner sash A.
To the outside of the room below the lower rail 2
Piece 4 and the middle of the protruding transverse piece 4 in the longitudinal direction.
Notch 5 formed in the lock portion, and the lock body 19 engages with the lock portion
6. An auxiliary lock for a sliding door, characterized in that it is 6 .