JP2001323702A - Hook lock device for double sliding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily lock a hook piece as a locking means even when there is slight positional displacement while easily unlocking the locked state of the hook piece when a sliding door is closed completely. SOLUTION: The hook lock device for the double sliding door is composed of a pair of left-right hook catchers 3, 3A interiorly finished under an opposed state to the stile 2 of one sliding door 1 and the other sliding door 6 having the hook piece 4 freely engaged with these hook catchers 3, 3A in a stile 5 oppositely faced to the stile 2. The hook catchers 3, 3A have stepped receiving sections 12, 12 enclosing the left and right of the hook piece 4 respectively while being movably supported to a fixed shaft transversely provided and movably mounted on the stile 2 so as to be able to be rotated against the resilient force of spring members 14, and the hook piece 4 is supported movably into the stile 5 through a fixed support shaft 30 so that a front end section 4a is engaged with the receiving sections 12, 12 by rotation by the operation of an operating member 23 interiorly fitted to the stile 5 slidably.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door sickle lock device.

[0002]

2. Description of the Related Art When two sliding doors are alternately and slidably fitted in a door frame, the sliding doors are commonly called "sliding doors". In this sliding door, the left and right sliding doors are closed and locked with a scythe. In this case, it is desirable that the sickle piece as the locking means can be easily locked and unlocked even if there is a slight displacement.
In addition, a scythe piece receiving member (hereinafter referred to as a "sickle catcher") incorporated in a frame of one of the sliding doors is used when one of the sliding doors opens leftward and rightward (that is, "in the case of a type which opens in both directions"). In any case, it is desirable that the locking function can be exhibited.

[0003] However, conventionally, the sliding door sickle lock device has a problem that it can cope only when one sliding door is opened in one direction (for example, leftward).

[0004]

SUMMARY OF THE INVENTION It is a first object of the present invention to easily lock a scythe as a locking means even if there is a slight displacement. On the other hand, when the sliding door is completely closed, the locked state of the sickle piece can be easily canceled. A second object is to enable the locking function to be exhibited even when the sliding door is opened in either the left or right direction. A third object is to improve the efficiency of the attaching work of the sickle lock device.

[0005]

SUMMARY OF THE INVENTION A sickle lock device for a sliding door according to the present invention comprises a pair of left and right sickle catchers 3 and 3A which are installed opposite to the frame 2 of one of the sliding doors 1, and these sickle catchers. The scythe catcher 3, 3A comprises a scissor piece 4 which freely engages with the frame 3, and a sliding door 6 provided in a frame 5 facing the frame 2. Spring members 1 and 12
4 is supported by a fixed shaft horizontally mounted on the frame 2 so that it can rotate against the spring force of the frame 4, while the sickle piece 4 is
The tip 4a is rotatably supported by a fixed support shaft 30 in the frame 5 so that the tip 4a is rotated by the operation of the operating member 23 slidably mounted in the frame 5 so as to engage with the stepped receiving portions 12, 12. It is characterized by being in.

In the above configuration, at least one of the sickle catchers 3 (3A) has a projection 11 at a lower portion of the opposed inner wall portion 10. Here, the frame 2 of the one sliding door 1 is a frame. It includes not only the case itself, but also a case-like support frame fixedly installed in a frame.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, a first embodiment of the present invention will be described with reference to FIGS. X is a sickle lock device attached to a sliding door. The sickle lock device X is a pair of left and right sickle catchers 3 provided in an outer frame 2 of an outer sliding door (meaning one of the sliding doors) 1 in an opposed state. , 3A, and an inner sliding door (meaning the other sliding door) 6 provided on the inner frame 5 with a sickle piece 4 freely engaging with the sickle catchers 3, 3A.

As shown in FIG. 1, the outer frame 2 is a vertical frame provided at one end of the outer sliding door 1. When the sliding doors 1 and 6 are closed with each other, the center of a vertical plate 2a facing the inner frame 5 is closed. A sickle piece window 7 is formed in the portion from the part or the center. The opening width of the sickle window 7 is the same as that of the pair of sickle catchers 3,
It is formed slightly wider in consideration of the engagement width of 3A. Here, the outer frame 2 also includes a case-shaped support frame fixedly provided inside the frame.

[0009] In the outer frame 2, right and left 1
A pair of sickle catchers 3, 3A are provided symmetrically. These scythe catchers 3, 3A are shown in FIGS.
Since it is symmetrical as shown by, one scythe catcher 3
Only the description will be given, and the other scythe catcher 3A will be assigned the same reference numeral for convenience, and duplicate description will be omitted.

Referring to FIGS. 3 and 4, the sickle catcher 3 is a vertically long block piece as a whole.
The lower portion has two fixed shaft holes 8 described later. One of these shaft holes 8 has an outer wall portion 9 facing the inner wall surface of the outer frame 2.
Is formed at the lower end of the extension, and the other is a scythe catcher 3
A protruding portion 1 protruding from the lower portion of the inner wall portion 10 facing A
1 is formed at the lower end. The protruding portion 11 has a sliding function of slidingly contacting with that of the other scythe catcher 3A and a function as a bearing portion.

The sickle catcher 3 has a step-shaped receiving portion 12 in a direction in which the sliding door 1 opens. Therefore, when the sliding door 1 is opened, the sickle piece 4 is locked by the step-shaped receiving portion 12 of the sickle catcher 3. This step-shaped receiving portion 12
With reference to FIG. 3, in the present embodiment,
It can be divided into an engaging portion 12a and a second engaging portion 12b on the back side. The sickle piece 4 selectively engages with these engaging portions corresponding to the closed position.

As shown in FIG. 4, the pair of left and right scythe catchers 3 and 3A are supported by a fixed shaft 13 which is horizontally mounted on the outer frame 2 and are installed such that the left and right hands are joined together. are doing. A pair of sickle catchers 3, 3A is provided with a plurality of spring members 14, 1 attached to the fixed shaft 13, respectively.
4 individually. One spring member 14 is
The sickle catcher 3A is incorporated in a space formed between the extended lower end of the outer wall 9 and the lower end of the projection 11,
One end 14a is on the lower surface of the outer wall of the scythe catcher 3A,
On the other hand, the other end 14b is pressed against a support plate in the frame 2, a fixed frame, and the like.

Therefore, the pair of right and left sickle catchers 3, 3A is supported by the fixed shaft 13 so as to be able to rotate against the spring force of the spring members 14, 14.

Each sickle catcher 3, 3 A is positioned so as to be able to engage with the tip 4 a of the sickle piece 4. The relationship between the left and right scythe catchers 3 and 3A and the scythe piece 4 will be additionally described. As described above, the left and right sickle catchers 3 and 3A have stepped receiving portions 12 and 12, respectively, which surround the sickle piece 4 from left and right in cooperation with each other. I do. Here, the reason will be explained by comparing FIG. 9 with FIG. 13. In FIG. 9, when the outer sliding door 1 is to be opened in the direction of the arrow A (opening direction), the scythe piece 4 is attached to each scythe catcher 3 located on the right side. Locked.
On the other hand, in FIG. 13, when the outer sliding door 1 is to be opened in the direction of the arrow B (opening direction), the sickle piece 4 is locked by each sickle catcher 3A located on the left side. Therefore, this embodiment is suitable for a type in which the outer sliding door 1 opens not in one direction but in both directions.

FIG. 2 shows an environmental member related to the sickle 4. Each environmental member will be described briefly. Fifteen
Is a front having a sickle door 16 capable of facing the sickle window 7 of the outer frame 2, 17 is a case-shaped fixed frame incorporated in the opening 18 of the inner frame 5, and 19 is a plurality of Fixture 2
0, an inner cover (commonly referred to as an inner escation), 21 is an operation piece having a cross-shaped cross section incorporated in a cutout 22 formed in the inner wall surface of the inner cover, and 23 is a case-shaped fixing frame 17. It is a frame-shaped actuating member that is vertically movable (meaning that it can slide). The frame-shaped operating member 23 and the operation piece 21 are provided integrally, and function as a driving member.

A guide small notch 2 for a knob 21a of an operation piece 21 is provided on an inner cover (commonly called an inner escation) 19.
5 and the like are formed. Further, the case-shaped fixed frame 17 is also formed with a window-shaped opening 27 that matches the small guide cutout 26 of the operation piece 21 and the sickle piece entrance 16 of the front 15.

The rear end 4b of the sickle piece is fixed to the case-shaped
Operating member 2 which is supported by a fixed support shaft 30 which is horizontally mounted on a shaft and which is engaged with a T-shaped engagement hole formed at a rear end portion.
3 is locked to the operating shaft 31.

Next, FIGS. 3 and 4 show the forms of the main members of the present invention. As described above, the symmetric scythe catchers 3 and 3A are block bodies each having an engagement portion whose inner wall surface is vertically stepped. And the fixed shaft 1 laid horizontally on the outer frame 2
The left and right hands are pivotally supported in opposition to each other, and are urged toward the sickle piece 4 by a spring member 14.

FIG. 5 and FIG.
A indicates that A is pressed by the spring members 14 and 14 and stops at the initial position, and the sickle piece 4 is in a non-engaged state.
In this non-engagement state, when the operating member 23 is lowered by operating the operation piece 21, the sickle piece 4 rotates about the fixed support shaft 30.

FIGS. 7 and 8 show the case where the sliding doors 1 and 6 are closed, and if the sliding doors are slightly misaligned, they are ignored and the sickle piece 4 is turned in the engaging (engaging) direction. The state of is shown. In this case, with reference to FIG. 7, the tip 4a of the scythe piece 4 is the first engagement portion 12a of the right scythe catcher 3.
2 shows a state in which it is engaged.

Here, the "play of the left and right scythe catchers 3, 3A" will be described with reference to FIGS. As described above, the projections 11 are formed at the lower ends of the inner wall portions 10 of the left and right scythe catchers 3 and 3A, so that the engaging portions 12a and A gap (play) is created between 12b and the sickle piece 4.

Now, as shown in FIG. 9, the tip 4 of the sickle piece 4
Even if a engages with the second engaging portion 12b on the back side of the left and right scythe catchers 3, 3A, there is a slight gap between the right side surface of the tip 4a of the scythe piece 4 and the right side scythe catcher 3. Occurs.

Therefore, the operation piece 21 is operated to operate the sickle piece 4.
When the sliding door 1 is slightly moved in the direction of the arrow A in the case where the lock state is canceled, the interference of the sickle catchers 3 and 3A is eliminated, so that the sickle piece 4 can be easily unlocked.

FIGS. 11 and 12 show a state in which the sickle piece 4 is engaged with the first engaging portion 12a of the one sickle catcher 3A. Thus, the scythe catchers 3 and 3 of this embodiment
A engages the sickle piece 4 in various ways.

[0025]

In the first embodiment, the left and right scythe catchers 3 and 3A have projections 11 at the lower portions of the opposed inner wall portions 10 in this embodiment. The aim is to allow the left and right scythe catchers 3 and 3A to have a play. " For example, referring to FIG. 2, the left and right scythe catchers 3, 3A
Is upward, which takes into account the engagement relationship with the sickle piece 4. Accordingly, when the tip 4a of the sickle piece engages downward depending on how the sickle piece 4 is attached, the respective sickle catchers 3, 3A are naturally pivotally supported downward.

The projection 1 of each of the scythe catchers 3, 3A
1 are in sliding relationship with each other, it is desirable to reduce the sliding contact area, and the lower end of the outer wall 9 is also similar to the protrusion 11 in consideration of the sliding contact with the inner wall of the frame. It is desirable to form some steps or projections on the surface.

Furthermore, the sickle piece 4 rotates following the vertical movement of the operating member 23, but the operating member 23 may be of a type that moves forward and backward in the horizontal direction depending on the design.

[0028]

As is apparent from the above description, the present invention has the following operations and effects. (1) Even if there is a slight displacement, the sickle piece as the locking means can be easily locked. (2) In particular, since the sickle catchers 3 and 3A respectively have stepped receiving portions 12 and 12 that surround the sickle piece 4 from left and right in cooperation, they are suitable for two sliding doors that slide the door frame alternately. (3) In the case of operating the operating piece 21 to release the locked state of the sickle piece 4, if the sliding door 1 is slightly moved, the interference of the sickle catchers 3, 3A disappears, so that the sickle piece 4 can be easily moved. Can be unlocked. (4) The efficiency of the work of attaching the sickle lock device can be improved.

[Brief description of the drawings]

 1 to 13 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 a schematic cross-sectional explanatory view of the embodiment.

FIG. 3 is an explanatory view from a perspective view of a main member.

FIG. 4 is a schematic cross-sectional explanatory view of a state where main members are incorporated in one of the frames.

FIG. 5 and

FIG. 6 is an explanatory view showing a non-engagement state between a sickle piece and a sickle catcher.

FIG. 7 and

FIG. 8 is an explanatory view showing a hooked state between a sickle piece and a sickle catcher.

FIG. 9 and

FIG. 10 is an explanatory view showing an engagement relationship between a sickle piece and an engagement portion of a sickle catcher.

FIG. 11 and

FIG. 12 is an explanatory view showing a state in which a sickle piece is engaged with a first engagement portion of one sickle catcher.

FIG. 13 is an explanatory view showing an example of an embodiment of the present invention in comparison with FIG. 9;

[Explanation of symbols]

X: sickle lock device, 1 ... one sliding door, 2 ... outer frame, 3, 3A ...
Scythe catcher, 4 ... scythe piece, 4a ... front end, 4b ... rear end, 5 ... inner frame, 6 ... other sliding door, 8 ... shaft hole, 9 ... outer wall, 10 ... inner wall, 11 ... protrusion Part, 12 ... step-shaped receiving part, 12a ... first engaging part, 12b ... second engaging part, 13 ...
Fixed shaft, 14: spring member, 15: front, 16: sickle doorway, 17: fixed frame, 21: operation piece, 23: operating member.

Claims (2)

[Claims] 1. A pair of sickle catchers 3, 3A, which are housed opposite to a frame 2 of one of the sliding doors 1, and a pair of sickle pieces 4 freely engaging with the sickle catchers 3, 3A. And the other sliding door 6 provided in the frame 5 facing the
The scythe catchers 3 and 3A have stepped receiving portions 12 and 12 surrounding the left and right sides of the scythe piece 4, respectively, and are horizontally mounted on the frame 2 so that they can rotate against the spring force of the spring member 14. The sickle piece 4 is rotated by the operation of an operating member 23 slidably mounted on the frame 5 so that the tip 4a engages with the step-shaped receiving portions 12, 12. A lock device for a sliding door, wherein the lock device is supported in the frame 5 via a fixed support shaft 30. 2. A sliding door sickle lock device according to claim 1, wherein at least one of the sickle catchers 3 (3A) has a projection 11 at a lower portion of the opposed inner wall portion 10.