JPH0516372Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) This invention is installed in sliding fittings such as sliding glass doors and sliding doors, and when the glass door or door is closed, these automatically move. The present invention relates to a locking mechanism for fittings that can be locked automatically.

(Prior Art) In general, locks of various structures are installed on fittings attached to entrances and windows of buildings such as residential houses and buildings for security purposes.

By the way, all conventional locks installed on fittings had to be operated manually. As a result, they often forgot to lock their locks when they went out, leaving the fittings unlocked when they went out, and were extremely careless.

On the other hand, in recent years, many aluminum and stainless steel sashes have been used for building windows and the like. this is,
As shown in FIG. 10, a window frame 22 fitted into an opening in a wall, two glass doors 23 fitted into the window frame 22 so as to be slidable in the left and right directions, and a lock that locks the glass door 23. 24, and has excellent watertightness, airtightness, sound insulation, etc.

However, since the lock 24 in the above-mentioned sash is manually operated, the above-mentioned drawbacks have not been improved at all, and there have been problems in terms of crime prevention.

(Problem that the invention aims to solve) This invention was devised to solve the above problems, and its purpose is to automatically lock sliding fittings when they are tightened. The purpose of this invention is to propose a locking mechanism for fittings.

(Means for solving the problem) The present invention has a pair of sliding fittings,
A support tube 9 is fixed almost horizontally to the side surface of the vertical crosspiece of the inner fittings, and has a notch on its upper surface side; Add the groove 10 to the top surface of the rack 4a.
a plate-shaped locking body 4 having; an elastic body 5 which is housed in the inner part of the support cylinder 9 and urges the tip of the locking body 4 to always protrude toward the outside fitting; A locked body 6 is provided on the side surface of the vertical beam and locks the tip of the locking body 4; The large diameter portion 15a of the locking body 4 is held in a non-protruding state by engaging with the stepped portion 4b of the stepped groove 10, and the narrow diameter portion 15b of the locking body 4 is movably disposed in the stepped groove 10. By engaging with the stepped portion 4c of the locking body 4
an actuating body 15 that maintains the projecting state;
An elastic body 16 that urges the large diameter portion 15a of the locking body to always engage with the stepped portion 4b of the stepped groove 10; a stopper 17 that moves the actuating body 15 against the elastic force of the elastic body 16 and switches the locking body 4 to the protruding state; and a rack 4a;
The basic structure of the invention includes an operating means 8 which has a gear 20 that meshes with the locking body 4 and changes the locking body 4 from a protruding state to a non-protruding state.

(Function) The locking mechanism is such that when a glass door of a sliding fitting, for example, a sliding window, is open, a locking body provided on one glass door is held in a non-protruding state;
The locking body and the locked body provided on the other glass door are in an unlatched state. As a result, the glass door becomes movable in the left-right direction along the fitting frame, that is, the window frame.

Then, from the above state, when the glass door is closed,
The holding state of the locking body is released by the operating means, and the locking body projects outward from the glass door due to the urging force of the elastic body and is locked to a locked body provided on the other glass door. As a result, the glass door is automatically locked and cannot be moved.

On the other hand, when unlocking the glass door, the locking body is changed from the protruding state to the non-protruding state by the operating means. Then, the lock between the locking body and the locked body is released, and the glass door can be opened.

(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.

FIG. 1 is a schematic front view of a sliding window sash equipped with a locking mechanism for fittings according to an embodiment of the present invention, in which 1 is a window frame (fittings frame), and 2 is a glass door (fittings). , 3 is a lock mechanism.

The window frame 1 includes an upper frame 1a, a lower frame 1b, and a vertical frame 1.
c and is fitted into an opening in the wall. The glass door 2 is made up of an upper crosspiece 2a, a lower crosspiece 2b, a vertical crosspiece 2c, and a window glass 2d, which are fitted into the window frame 1 as a pair, and are connected to a guide rail provided in the window frame 1 and the glass door 2.
It is movable to the left and right along the window frame 1 by means of a door roller provided at the window frame 1.

In addition, aluminum alloy, stainless steel, steel, etc. are used for the materials of each member of the window frame 1 and the glass door 2.

On the other hand, the lock mechanism 3 is disposed in the center of the sash and automatically locks each glass door 2 when they are closed.

That is, the lock mechanism 3 is composed of a locking body 4, an elastic body 5, a locked body 6, an operating means 7, an operating means 8, etc., as shown in FIGS. 2 to 5.

The locking body 4 is disposed on the vertical bar 2c of the inner glass door 2 of the pair of glass doors 2 so as to be movable in the front-rear direction.

Specifically, the locking body 4 has a plate shape, and is housed and supported in a support tube 9 provided on the outer surface of the vertical beam 2c so as to be movable in the front-rear direction. Further, a convex stepped groove 10 is formed at the tip of the locking body 4. Furthermore, a rack 4a is formed on one side of the locking body.

The support tube 9 is connected to a support plate 12 fixed to the outer surface of the vertical beam 2c with screws 11,
A part of the rack 4a of the stored locking body 4 is cut out to be exposed.

The elastic body 5 urges a portion of the locking body 4, that is, a tip thereof, to always project outward from the vertical bar 2c toward the outer glass door 2 side.

In this embodiment, a compression spring is used as the elastic body 5, and this is interposed within the support cylinder 9 and between the locking body 4 and the support cylinder 9.

The locked object 6 is the vertical beam 2 of the outer glass door 2.
c, and can be locked with the tip of the locking body 4 in a protruding state.

In this embodiment, the locked body 6 has a U-shape, is erected on a support plate 14 fixed to the inner surface of the vertical beam 2c with screws 13, and is attached to the tip of the locking body 4. It is facing the department.

The actuating means 7 is interposed between the locking body 4 and the vertical bar 2c of the outer glass door 2, and is capable of holding the locking body 4 in a non-protruding state when each glass door 2 is open. When each glass door 2 is closed, the holding state is released and the locking body 4 can be projected.

Specifically, the actuating means 7 includes a stepped groove 10 formed at the tip of the locking body 4 , an actuating body 15 disposed in the support tube 9 and abutting the locking body 4 , and a stepped groove 10 formed at the tip of the locking body 4 .
5 in a predetermined direction, and an elastic body 16 disposed on the vertical bar 2c of the outer glass door 2, which contacts the actuating body 15 and moves it a predetermined amount against the biasing force of the elastic body 16. It consists of a stopper 17.

The actuating body 15 is inserted into and supported by the tip of the support tube 9 so as to be located in the stepped groove 10 of the locking body 4 so as to be movable along the moving direction of the glass door 2 and cannot be prevented from coming out. A large diameter shaft portion 15a that can come into contact with the step portion 4b of the stepped groove 10, and a small diameter shaft portion 1 that is connected to the large diameter shaft portion 15a and can come into contact with the bottom portion 4c of the stepped groove 10.
5b, and a retaining portion 15c that is connected to each shaft portion 15a, 15b and prevents the support tube 9 from being removed.

Further, the elastic body 16 is connected to the large diameter shaft portion 15 of the actuating body 15.
a urges the actuating body 15 in one direction so that it is positioned in the stepped groove 10 of the locking body 4, and a compression spring is used as the elastic body 16, which is in contact with the support cylinder 9. It is interposed between the body 15 and the retaining portion 15c.

Further, the stopper 17 contacts the actuating body 15 when the glass door 2 is closed, and the elastic body 16 moves the actuating body 15 so that its small diameter shaft portion 15b is located within the stepped groove 10 of the locking body 4. The stopper 17 is L-shaped and has a screw 18 attached to the front surface of the vertical bar 2c of the outer glass door 2.
Fixed by

Therefore, when the glass door 2 is open, the large diameter shaft portion 15 of the actuating body 15 is moved by the biasing force of the elastic body 16.
a is located within the stepped groove 10 of the locking body 4, and the stepped portion 4b of the stepped groove 10 is in contact with the large diameter shaft portion 15a. As a result, the locking body 4 becomes unable to protrude and is held in a non-protruding state (see FIGS. 3 to 5).

Further, when the glass door 2 is closed, a stopper 17 comes into contact with the operating body 15, and the stopper 17 moves the operating body 15 so that its small diameter shaft portion 15b is located within the stepped groove 10 of the locking body 4. This results in
The lock between the locking body 4 and the actuating body 15 is released. As a result, the locking body 4 moves toward the outer glass door 2 due to the urging force of the elastic body 5, and becomes in a protruding state. At this time, the distal end of the locking body 4 is locked to the locked body 6, and the bottom 4c of the stepped groove 10 comes into contact with the small diameter shaft portion 15b of the actuating body 15, so that its movement is restricted. (See Figures 6 and 7).

The operating means 8 changes the locking body 4 from a protruding state to a non-protruding state.

Specifically, the operating means 8 includes a rack 4a formed on the locking body 4, and a pinion 20 that is pivotally connected to the support plate 12 via a shaft 19 and meshes with the rack 4a.
and an operating lever 21 connected to a pinion 20, and by rotating the operating lever 21 in a predetermined direction, the locking body 4 can be changed from a protruding state to a non-protruding state.

In the locking mechanism 3, when each glass door 2 is open, the large diameter shaft portion 15a of the actuating body 15 is pushed into the stepped groove 1 of the locking body 4 by the urging force of the elastic body 16.
0, and the stepped portion 4b of the stepped groove 10 abuts against the large diameter shaft portion 15a, so that the locking body 4 is held in a non-protruding state. As a result, the locking body 4 and the locked body 6 become unlatched, and each glass door 2 becomes movable in the left-right direction along the window frame 1.

When the glass door 2 is closed from the above state, the operating body 1
5, the stopper 17 comes into contact with the stopper 17.
moves the actuating body 15 against the urging force of the elastic body 16 so that its small diameter shaft portion 15b is positioned within the stepped groove 10 of the locking body 4. Then, the locking body 4 and the actuating body 15 are unlocked, and the locking body 4 moves toward the outer glass door 2 side due to the urging force of the elastic body 5 and becomes in a protruding state, so that the locking body 4 is attached to the locked body 6. It is locked. As a result, the glass door 2 is automatically locked and cannot be moved.

On the other hand, when unlocking the glass door 2, the operating lever 21 is rotated in a predetermined direction. Then, the locking body 4 is moved from the protruding position to the non-protruding position by the pinion 20 and the rack 4a.
The locking between the locking object 6 and the locking object 6 is released, and the glass door 2 becomes movable in the left-right direction along the window frame 1. still,
When the glass door 2 is opened with the locking body 4 in a non-protruding state, the actuating body 15 moves due to the urging force of the elastic body 16, and its large diameter shaft portion 15a engages with the stepped groove 10 of the locking body 4.
It will be located within. As a result, the locking body 4
, the stepped portion 4b is the large diameter shaft portion 15a of the actuating body 15.
and is held in a non-protruding state.

In the above embodiment, the locking mechanism 3 is disposed on the window sash, but in other embodiments, it may be disposed on a sliding door or a sliding window of other structure. Of course, it can also be used together with a conventional lock. For example, as shown in FIG. 8, in a pair of sliding fittings in which the vertical bars 2c that overlap each other in the closed state are brought into close contact with permanent magnets 25 buried in a plurality of places, A mechanism 3 may also be provided. In addition, as shown in FIG. 9, a sealing material 26 is attached with screws 27 to one of the vertical bars 2c that overlap each other when the pair of sliding fittings are in the closed state, and the other vertical bar 2c facing this is in an airtight state. The locking mechanism 3 may be disposed in a sliding type fitting that is configured to have the following structure.

(Effects of the invention) As mentioned above, the locking mechanism for fittings of the present invention is configured so that the glass doors of sliding windows and sliding doors are automatically locked when they are closed. When you close the doors, they are automatically locked, and even if you forget to lock them, there is no problem and it is extremely safe. Also, since it is automatically locked, there are no operational errors.

[Brief explanation of the drawing]

Fig. 1 is a schematic front view of a window sash equipped with a locking mechanism for fittings according to an embodiment of the present invention, Fig. 2 is a front view of the main part, and Fig. 3 is a vertical cross-sectional view taken along the line - - of Fig. 2. , FIG. 4 is a cross-sectional view taken along the - line in FIG. 2, FIG. 5 is a cross-sectional view taken along the - line in FIG. 7 shows a locked state, a cross-sectional view similar to FIG. 4, FIG. 8 shows another embodiment, a cross-sectional view similar to FIG. 7, and FIG. 9 shows still another embodiment. , FIG. 7 is a cross-sectional view similar to FIG. 7, and FIG. 10 is a schematic front view of a conventional window sash. 3 is a locking mechanism, 4 is a locking body, 5 is an elastic body, 6
7 is an actuation means, and 8 is an operation means.

Claims (1)

[Scope of utility model registration request] In a pair of sliding fittings, a support tube 9 is fixed almost horizontally to the side surface of the vertical crosspiece of the inner fitting and has a notch on its upper surface side; A plate-shaped locking body 4 is provided in the support tube 9 and has a stepped groove 10 on its front end and a rack 4a on its upper end surface; an elastic body 5 that is always biased to protrude toward the fitting; a locked body 6 that is provided on the side surface of the vertical beam of the outside fitting and that locks the tip of the locking body 4;
It is inserted through the stepped groove 10 of the locking body 4 and is disposed so as to be movable in the axial direction and perpendicular direction of the locking body 4, and its large diameter portion 15a engages with the stepped portion 4b of the stepped groove 10. By doing so, the locking body 4 is held in a non-protruding state, and the narrow diameter portion 15b of the locking body 4 is held in a non-protruding state.
an actuating body 15 that holds the locking body 4 in a protruding state by engaging with; a large diameter portion 15a of the actuating body 15;
an elastic body 16 that urges the locking body to constantly engage with the stepped portion 4b of the stepped groove 10; is fixed to the vertical beam of the outer fitting, and comes into contact with the actuating body 15 when the fitting is closed, thereby causing the above-mentioned It has a stopper 17 that moves the actuating body 15 against the elastic force of the elastic body 16 to switch the locking body 4 to the protruding state; and a gear 20 that meshes with the rack 4a to switch the locking body 4 from the protruding state to 1. A lock mechanism for fittings, characterized in that it comprises an operating means 8 for setting the lock in a protruding state.