JPH09137655A - Auxiliary lock for sliding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify the structure of a device and to perform simple locking and unlocking operation only through button operation. SOLUTION: An auxiliary lock comprises a button and lock member 13 attached in a state to be energized on the indoor side through the force of a spring 15 and movable between a embedding position and a protrusion position, and an operation button 11 attached in such a state to be energized to the inside and the outside of a chamber through the force of a spring and integrally provided with a stopper member 12 for engagement from an ordinary position to a rotation position in linkage with press operation. Engagement of a stopper member 12 with the button and lock member 13 is released by press operation of the operation button 11, and the button and lock member 13 is moved to a protrusion position through an energizing force. Through press operation of the button and stopper member 12, an engaging member 13c is automatically engaged with the stopper member 12 for engagement through press operation of the button and lock member 13 and locked and held in an embedding position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an auxiliary lock which is provided on a frame portion of a sliding window, a pulling window, a drawing window, etc., separately from a locking device such as a crescent and which controls opening of a shoji screen.

[0002]

2. Description of the Related Art Conventionally, a window of a type in which shoji screens move in parallel along a frame rail, such as a sliding window or a side-drawing window, is usually provided at an intermediate portion of the assembling frame for security reasons. A locking device for restricting the opening of the shoji is provided by connecting both shoji such as a crescent.

In addition, an auxiliary lock or the like may be provided for the purpose of double crime prevention or for satisfying the requirement that the door be closed with a little open door for indoor ventilation.

[0004]

Various types of auxiliary locks have been proposed in the past, but the structure is complicated and the manufacturing and mounting are complicated, and the locking and unlocking operation is complicated. There were many problems.

SUMMARY OF THE INVENTION Therefore, a main object of the present invention is to propose an auxiliary lock such as a sliding door which has a simple structure in terms of a device and can be easily locked / unlocked only by operating a button.

[0006]

In order to solve the above-mentioned problems, the present invention is an auxiliary lock which is provided on at least one side of the upper and lower frames of a shoji screen and restricts the opening of the shoji screen. A locking member that can be moved between the embedded position and the projecting position by being biased to the indoor side by the ejection means, and can be attached by being urged indoors and outdoors by the elastic means and can be used for pushing operation. An engaging stopper member for interlockingly rotating from the normal position to the rotating position and engaging with a part of the button / locking member at the normal position to stop and hold the button / locking member at the embedded position. Including an operation button integrally provided, the engagement of the engagement stopper member with the button / locking member is released by a pressing operation of the operation button, the button / locking member is moved to a projecting position by an urging force, and Bo Is characterized in that the part by press operation of emissions combined lock member is configured to be held fixed to automatically engage implantation position relative to the engaging stopper member.

In this case, the engaging stopper member is
By engaging the pin erected on the outer surface of the operation button with a long hole and providing a rotation center portion that is positionally restrained by another member, the normal position is interlocked with the push operation of the operation button. It is possible to make a turning operation from the turning position to the turning position.

Therefore, in the case of the present invention, since the number of members is small and the structure is simple, it is not necessary to manufacture and assemble members. Further, the locking / unlocking operation only requires pushing two button members, which makes the handling extremely excellent. That is, when it is desired to lock the lock, when the operation button is pushed, the engagement stopper member is disengaged, and the button / lock member is projected to be locked. Also,
When it is desired to unlock, the button-holding lock member is simply pushed and held at the embedded position.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below in detail with reference to the drawings. As shown in FIG. 1, inner sliding doors 3 and outer sliding doors 4 are fitted inside the window frame 2 to form a sliding window. A crescent lock 5 is attached to approximately the center of the summing frame 3A of the inner shoji 3 while the outer shoji 4 4
Crescent receiving metal fittings are attached to the corresponding positions of the summing frame 4A, and the opening of both the shoji 3 and 4 is regulated by the connection of both to lock.

On the other hand, on the side of the external shoji 4, the lower frame 4B
Auxiliary lock 1 according to the present invention at a position close to the summing frame 4B.
Is provided. Of course, the auxiliary lock 1 can be provided on the upper frame side or both the upper and lower frame, but generally, it is attached to the lower frame 4B at one position.

The auxiliary lock 1 is, as shown in FIG.
A case body including a front case 10 and a back case 16,
The case main body is mainly composed of an operation button 11, an engagement stopper member 12 provided integrally with the operation button 11, and a button / lock member 13.

The front case 10 has an operation button window 10A opening on the front side and a button / locking member window 10B, while the back case 16 has a rotation center portion 12a of an engagement stopper member 12 as described later. , 16b for holding the supporting members 12a, 12b, and the operation buttons 11 and the button / locking member 13 described later are incorporated therein, and are attached to the lower frame 4B of the shoji 4 in a completed state. To be done.

The operation button 11 has a hollow portion 11d opening to the side of the back case 16 (see FIG. 8). The spring is provided inside the hollow portion 11d and one end of which is in contact with the surface of the back case 16. As shown in FIG. 5, the stepped portion 11c formed on one side surface and the stepped portion 10c formed on the front case 10 collide with each other while being attached by being urged toward the indoor side by 14. As a result, the front surface of the operation button 11 is normally held substantially flush with the surface of the front case 10, and can be moved to the retracted position by a pressing operation.

Further, the operation button 11 is integrally provided with an engaging stopper member 12 which engages with and disengages from a button / lock member 13 arranged adjacently thereto. The engagement stopper member 12 rotates from the normal position (state of FIG. 5) to the rotating position (state of FIG. 6) in conjunction with the pressing operation of the operation button 11, and also serves as the button at the normal position. By engaging with the engaging portion 13c of the lock member 13, the button / lock member 13 is stopped and held at the embedded position.

Specifically, as shown in FIG. 4, pin members 11a and 11 are provided on the upper and lower surfaces of the operation button 11, respectively.
While b is erected, elongated holes 12c and 12d formed in the upper and lower flanges 12A and 12B on the side of the engagement stopper member 12 formed in a substantially U shape are respectively provided with the pin member 1 described above.
The two are integrated by engaging with 1a and 11b. Further, the engagement stopper member 12 includes circular rotation center portions 12a and 12b formed at the tips of the upper and lower flanges 12A and 12B, and is formed on the back case 16 in a completed assembled state (see FIG. 5). Assembled so as to support the rotation center portions 12a, 12b in a clamped state by the arc-shaped tip portions of the holding engagement pieces 16a, 16b and the holding engagement portions 10a by the arc-shaped notches formed in the front case 10. To be Therefore, when the operation button 11 is pressed, the pin members 11a and 11b are elongated holes 12 of the engagement stopper member 12 while the rotation stoppers 12a and 12b are fixed in position.
Since they are in the engaged state with c and 12d, as shown in FIG. 6, they are rotated from the normal position to the rotation position in conjunction with the pressing operation of the operation button 11. Note that the button-locking member 1
The engagement / disengagement relationship with No. 3 will be described later.

On the other hand, the button / locking member 13 also has a hollow portion 13a that opens toward the rear case 16, and a spring that is internally provided in the hollow portion 13a and has one end in contact with the surface of the back case 16. It is attached in a state of being urged toward the indoor side by 15 and is movable between the embedded position and the protruding position. More specifically, as shown in FIG. 3 and the like, on the base end side of the button / lock member 13 is formed a base end step 13b which is slightly larger than the general part, and the base end base is formed. Operation button 1 on the step 13b
The side on the first side is obliquely cut to form an engaging portion 13c of the engaging stopper member 12. Then, when in the embedded position shown in FIG. 5, the engagement stopper member 12
7 is stopped and held by the engagement with the base end base stepped portion 13 with respect to the stopper stepped portions 10d and 10e formed on the front case 10 at the protruding position shown in FIG.
The b is prevented from coming off due to the collision, and the protruding position is regulated.

In the front case 10, the locking projection 1 of the back case 16 is inserted into the receiving locking hole 10b formed in the peripheral frame.
6c is engaged and fitted.

The operation method of the auxiliary lock 1 and the operating states of the respective constituent members will be described below. To operate the auxiliary lock 1 in the unlocked state shown in FIG. 5, the operation button 11 is depressed. . Then, as shown in FIG. 6, the engagement stopper member 12 rotates in the direction of the arrow with the rotation center portion 12a as the rotation center, and the button / lock member 13 is also used.
Is released, and the button / locking member 13 projects to the inside of the room according to the urging force of the spring 15 provided therein. As a result, even if the inner shoji 3 or the outer shoji 4 is to be opened, the button / locking member 13 collides against the dressing frame 3A, so that the shoji 3 and 4 are prevented from opening. In addition, in FIG. 6, the distance between one side surface of the button / locking member 13 and the setting frame 3A can be arbitrarily set within the range of the purpose of installing the auxiliary lock 1. If only for the double crime prevention function, the button / lock member 13 is sized so that it can be pushed and operated. Further, when it is desired to lock the shoji in a slightly opened state for ventilation or the like, the size is functionally sufficient within the intended range.

On the other hand, when it is desired to release the lock, the button / locking member 13 is pushed in as shown in FIG. Then, the button / locking member 13 is pushed to the deepest portion while the base end base step portion 13b pushes the engagement stopper member 12 away in the rotational direction, and when the pusher member is pushed to the deepest portion, the engagement stopper member 12 is automatically pushed. It returns to the original position, engages with the engaging portion 13c of the button / locking member 13, and stops and holds the button / locking member 13 at the embedded position.

In the auxiliary lock 1 according to the present invention,
The engagement member with respect to the button / locking member 13 is the engagement stopper member 12 that rotates. Therefore, the button-locking member 13 is reliably engaged and disengaged, so that a smooth operating state can be maintained for a long period of time.

[0021]

As described above in detail, according to the present invention, since the auxiliary lock for sliding doors has a simple structure in terms of the device, the manufacturing cost can be reduced and the sliding door can be attached to the sliding door. Can also be done easily. In addition, the lock and unlock can be easily performed only by operating two buttons, and the handleability is excellent.

[Brief description of the drawings]

FIG. 1 is a front view of a sliding sliding door with an auxiliary lock according to the present invention assembled therein.

FIG. 2 is an enlarged view of a portion where an auxiliary lock is provided.

FIG. 3 is an exploded view of an auxiliary lock.

FIG. 4 is an exploded view of an operation button and an engagement stopper member.

5 is an operation and operation explanatory view of the auxiliary lock of the present invention (a view corresponding to a line VV in FIG. 2).

FIG. 6 is an operation and operation explanatory view of the auxiliary lock of the present invention.

FIG. 7 is an operation and operation explanatory diagram of the auxiliary lock of the present invention.

FIG. 8 is a view taken along the line VIII-VIII of FIG.

[Explanation of symbols]

1 ... Auxiliary lock, 2 ... Window frame, 3 ... Internal shoji, 4 ... External shoji, 5 ...
Crescent lock, 10 ... front case, 11 ... operation button, 1
2 ... Engagement stopper member, 12a / 12b ... Rotation center portion, 12c / 12d ... Long hole, 13 ... Button / lock member,
13b ... Proximal base step, 13c ... Engagement, 14/15
... Spring, 16 ... Back case, 16a, 16b ... Holding engagement piece

Claims (2)

[Claims] 1. An auxiliary lock which is provided on at least one side of the upper and lower frames of the shoji screen and restricts the opening of the shoji screen, wherein the auxiliary lock is biased toward the indoor side by an elastic means and is embedded. A button / lock member movable between a position and a projecting position, urged to be attached indoors or outdoors by elastic means, and pivotally operated from a normal position to a pivotal position in conjunction with a pressing operation. An operation button integrally provided with an engaging stopper member that engages a part of the button / lock member in the normal position to stop and hold the button / lock member in the embedded position, and pushes the operation button. By the operation, the engagement of the engagement stopper member with the button / lock member is released, the button / lock member is moved to the projecting position by the urging force, and a part of the engagement / lock member is pressed by the pushing operation of the button / lock member. Sliding door such auxiliary lock, characterized by being configured so as to be stopped and held automatically to engage implantation positions relative topper member. 2. The engagement stopper member engages with a pin provided upright on the outer surface of the operation button with a long hole, and has a rotation center portion that is positionally restrained by another member. The auxiliary lock for sliding doors according to claim 1, wherein the auxiliary lock is capable of rotating from a normal position to a rotating position in association with a pressing operation of an operation button.