JPH0882134A - Locking device of sliding door - Google Patents

Abstract

PURPOSE: To provide a locking device of a sturdy sliding door which has a good external appearance and a pleasant touch without entanglement of clothes on opening/closing the door and smoothly move a fixing body on manipulating it to prevent it from rattling and securely close it. CONSTITUTION: A manipulation lever 10 is rotatably contained in a container part of a case 2 and a guide body is fixed to the case 2. And an actuating body in which a fixing body 40 is attached to the guide body is provided so as to slide. The main shaft 50 is inserted in the cam hole 34 for the main shaft and the cam hole of the guide body and also the actuation shaft is inserted in the fitting hole of the actuation shaft of the fixing body 40 and the cam hole 35 for the actuation shaft and the cam hole of the guide body. The actuating body is slid to correspond to the rotary movement of the manipulation lever 10 and the fixing body 40 is retracted into the locking hole on unlocking by the main shaft 50 and the actuation shaft 51 fitted in respective cam holes of the fixing body 40, the actuation body, and the guide body. The fixing body 40 is fixed to the fixing hole of sliding doors protruding the locking holes and facing each other and it is pulled near to close it.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door locking device for unlocking and locking a sliding door or an opening / closing sliding door.

[0002]

2. Description of the Related Art Conventionally, as a locking device for unlocking and locking a sliding door, an opening / closing sliding door, etc., there is known a device for attaching a fitting screw tightening metal fitting, a middle folding screw tightening metal fitting, a crescent, etc. to a summing frame. Has been.

[0003]

However, in the former screw tightening fitting, the operation knob is rotated and screwed in and unscrewed. However, the operation knob may be relatively small and the screw friction coefficient of the screw may be large. Often, the turning operation cannot be performed smoothly. When the latter crescent is locked by turning the operation lever, the door is apt to rattle because it locks due to the action of forcibly moving the outdoor storage frame of the other party upward or downward. In addition, when the operation lever is projected from the door and opened / closed, the fingers of the operation may be touched or the clothes may be entangled, resulting in an unexpected injury. Furthermore, the former screw tightening fitting is attached to the wall of the interior of the dressing frame in a protruding state, and the latter crescent is attached to the sidewall of the dressing frame in a protruding state, so the appearance is not good. there were. Therefore, the present invention has been made in view of the above-mentioned problems of the conventional art, and is made in order to solve this problem, and the operation lever is always stored in the frame so as to protrude from the storage portion of the case body only when operated, It is a sturdy sliding door that opens and closes comfortably and does not get entangled in clothes and has a good appearance, and the latching body operates smoothly during operation to prevent rattling of the door and to ensure a tight seal. The purpose is to provide a locking device.

[0004]

As a means for solving the above problems, the present invention comprises a case body in which an operating lever is rotatably housed and a guide body is fixed to the case body. Slidingly slides the actuating body to which the latch is attached, and inserts the main shaft into the latch, the main body cam hole of the actuating body, and the cam hole of the guide body, while fitting the actuating shaft to the actuating shaft of the latch. It is inserted through the dowel hole, the cam hole for the actuating shaft of the actuating body, and the cam hole of the guide body, and the actuating body slides in conjunction with the rotation of the operation lever, and the cams of the latching body, actuating body, and guide body respectively. By the main shaft and the working shaft fitted in the hole,
When the locking body is retracted into the locking hole when unlocked, and the locking body is locked into the locking hole of the facing sliding door by protruding the locking hole during locking.
This is pulled and sealed.

[0005]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of the present invention; The drawings show an embodiment in which the locking device 1 of the present invention is attached to a sliding sliding door A, and the locking device 1 is fitted and fixed in a mounting hole D notched in a summing frame C of an indoor sliding door B. The locking device 1 includes a case body 2, an operating lever 10, a guide body 20, an operating body 30, and a latch body 4.
0, the decorative plate 60 is integrated. The case body 2 is in the shape of a rectangular block, and a box-shaped recess 3 for the operation lever is formed on the front side of the case body 2.
A bearing portion 4 is provided so as to project from the central portion of the storage portion 3. Further, a guide plate connecting screw hole 5 to be described later is screwed in the lower half of the trapezoidal portion on the inner surface side, and a plate-like slide surface 7 is formed on the bottom surface in the recess 6 on the upper side. A slit 8 penetrating the storage part 3 is provided. The operation lever 10 has a pin 1 at the base end.
It is pivotally attached to the bearing portion 4 by means of 1 and protrudes from the surface of the case body 2 at the time of operation, and is normally held in the storage portion 3 so as not to protrude into the case body 2. The operation lever 1
L-shaped connecting rod 12 having a projecting piece 13 near the base end portion of 0
The base end of the rod is pivotally attached by a pin 14, and the projecting piece 1 of the connecting rod 12 is
3 is inserted through the slit 7 into the concave portion 6, and both protruding pieces 13,
A connecting block body 15 having a connecting hole 16 into which a connecting shaft 33 to be described later is fitted is pivotally attached by a pin 17 and is pivotally operated with the pin 11 of the operating lever 10 as a fulcrum, through a connecting rod 12. The connecting block body 15 is a plate-like slide surface 7.
Is configured to be slidable up and down. The guide body 20 includes a guide plate 21 and an outer plate 22.
1 and the outer plate 22 are both rectangular plate bodies,
A connecting rod 23 is provided between the two to form a gap into which an actuating body 30 described later is slidably fitted, and the connecting hole 1
Vertical guide holes 24 for slidably fitting the connecting shafts 33 fitted in 6 are provided respectively, and cam holes 25 are also provided. The cam hole 25 is formed with an operating shaft fitting portion 26 which is vertically long and whose lower end is bent, and a main shaft fitting portion 27 which projects laterally in the central portion thereof. Further, the hole 28 formed in the guide plate 21 and the screw hole 5 of the case body 2 are connected by a screw. In addition, the bent mounting plate 2 formed on the guide plate 21
9 is provided with a screw hole, a rectangular decorative plate 60 is attached to this with a screw, and when fitted into the attachment hole D of the assembling frame C,
The locking device 1 is covered with the decorative plate 60 to make the appearance beautiful. The actuating body 30 has a gap formed by the connecting rod 32.
It is composed of the same number of actuating plates 31, 31, and the connecting shaft 33 is inserted and penetrated at the upper end portion, and the connecting shaft 33 is fitted into the guide hole 24 of the guide body 20 as described above, and the connecting block body 15 is connected. The actuating body 30 is loosely fitted between the guide plate 21 and the outer plate 22 of the guide body 20 so as to be slidable up and down. In addition, both actuating plates 31 have an L-shaped cam hole 34 for the spindle and an arcuate cam surface 36 that are bent in a V shape.
The respective actuating shaft cam holes 35 are formed. The hook 40 has a bent front end formed in a key-shaped locking portion 41, and a main shaft fitting hole 42 and a long working shaft fitting hole 43 are formed in the base end. Then, the latch 40 is attached to the two operating plates 3 of the operating body 30.
1 and 31, the main shaft 50 is inserted into the main shaft fitting hole 42, the main shaft cam hole 34 of both operating plates 31, and the main shaft fitting portion 27 of the cam hole 25 formed in the guide plate 21 and the outer plate 22. Insert and mate. On the other hand, the actuating shaft 51 is fitted into the actuating shaft fitting hole 43, the actuating shaft cam hole 35 of both actuating plates 31 and the cam hole 25 formed in the guide plate 21 and the outer plate 22.
Insert and fit into. The decorative plate 60 is a rectangle that is vertically longer than the rectangular case body 2, and has a locking hole 61, which is an elongated hole for retracting the hooking body, formed in the central portion, and the small holes 6 in the upper and lower portions thereof.
Bending mounting plate 2 provided with guide plate 21 by inserting screws into 2
The decorative plate 60 is fixed to the guide plate 21 by screwing it into the screw hole of 9.

The locking device 1 constructed in this manner is fitted and fixed in the mounting hole D formed in the summing frame C of the indoor sliding door B, and the summing frame of the outdoor sliding door F facing this. A locking hole H is formed in G. As shown in FIG. 1, when the sliding door is opened and the locking device 1 is unlocked, the operation lever 10 of the locking device 1 does not protrude from the surface of the case body 2 so that the upper half of the storage part 3 can be prevented. The connecting block body 15 which is held in a housed state and is pivotally attached to the connecting rod 12 which is interlocked with the operation lever 10 is pushed up to the upper end side of the recess 6 and fits into the connecting block body 15. As shown in FIG. 6, the connecting shaft 33 is located on the upper end side of the guide hole 24 of the guide body 20, and the main shaft 50 fitted in the main shaft fitting hole 42 of the retaining body 40 is the cam hole of the guide body 20. Since it is inserted in the main shaft fitting portion 27 of 25, the main shaft 50 fitted in the main shaft cam hole 34 of the actuating body 30 is pushed down to the lower end portion thereof. On the other hand, the actuating shaft 51 fitted in the actuating shaft fitting hole 43 of the retaining member 40 is located at the lower end side of the actuating shaft cam hole 35 of the actuating member 30 and in the guide hole 24 of the guide member 20. Is pushed up to the upper end side of the actuating shaft fitting portion 26, and the main shaft 50 becomes the main shaft fitting portion 27 of the cam hole 25.
The lock body 40 is inserted into the main body 50 and is prevented from moving in the vertical direction, so that the key-shaped locking portion 41 at the tip of the locking body 40 is inserted into the decorative plate 60 without protruding from the locking hole 61. Therefore, the locking device 1 is in the unlocked state. Therefore, in order to lock the sliding door with the locking device 1, after closing both sliding doors so that the summing frame C of the indoor sliding door B and the summing frame G of the outdoor sliding door F face each other, the operation lever is closed. When the tip end of 10 is pulled up by hand and pivoted downward with the pin 11 at the base end as a fulcrum, the connecting block body 15 pivotally attached to the connecting rod 12 interlocks with this and the connecting block body 15 slides on the slide surface 7 of the recess 6.
Slides toward the lower end, so that the connecting block 1
As shown in FIG. 7, the connecting shaft 33 fitted to the 5 descends to the central portion of the guide hole 24 and is connected to the actuating body 30.
Although the main shaft 50 is located in the main shaft fitting portion 27, the operating shaft fitting hole 43 moves the main shaft 50 to the central portion, while the main shaft 50 is located in the main shaft fitting portion 27. Since the operating shaft 51 fitted to the lower end of the lower portion moves downwardly from the operating shaft fitting portion 26 of the guide hole 24 of the guide body 20,
The key-shaped locking portion 41 at the tip of the main shaft 50 is rotated so as to project from the locking hole 61 of the decorative plate 60, and the locking is provided in the summing frame G of the outdoor sliding door F. It is inserted into the hole H and hooked. Further, when the operation lever 10 is rotated to be pushed down to the lower end and stored in the storage section 3,
In conjunction with this, the actuating body 30 also moves downward and the connecting shaft 33 is moved to the position shown in FIG.
As shown in FIG. 5, the lower end of the guide hole 24 is reached, and accordingly, the main shaft 50 moves the bent portion 3 of the main shaft cam hole 34 of the actuating body 30.
4a, the main shaft fitting portion 27 of the guide hole 24 of the guide body 20 is moved downward to act in the direction in which the hooking body 40 is pulled down, and the operating shaft 51 also acts on the operating shaft cam hole 3 of the operating body 30.
5 moves along the arcuate cam surface 36 of the guide body 20, and at the same time reaches the lower end of the bent portion 26a of the operating shaft fitting portion 26 of the guide hole 24 of the guide body 20, the key-shaped locking portion 41 of the hooking body 40. Is pulled in the direction of the summing frame C of the indoor sliding door B while being locked in the locking hole H of the outdoor sliding door F, and the outdoor sliding door F is sealed with the indoor sliding door B to prevent rattling of the door. Securely locked. In addition, when unlocking, the latch 40 is rotated upward by rotating the operating lever 10 in the opposite manner to the above operation.
0 and the actuating shaft 51 and the actuating body and the cam holes of the guide body which are fitted to the actuating shaft 51 and the actuating shaft 51, respectively. Are stored in the storage unit 3.

In the above embodiment, the key-shaped locking portion 41 of the locking body 40 is rotated about the main shaft 50 by pushing down the operation lever 10 and inserted from below the locking hole H. The locking device 40 is locked so that it can be locked by being locked. However, the locking device is not limited to this, and for example, the locking device 1 is mounted by turning it upside down and the operating lever 10 is pushed upward to lock the locking body 40. The mold locking part 41 is locked in the locking hole H.
You may make it possible to lock it by inserting it from above and locking it. The guide body 20 includes a guide plate 21 and an outer plate 2.
The number of actuating members 30 is not limited to two, but the actuating member 30 also includes the actuating plate 31 of two.
The number of sheets may be one, instead of one.

[0008]

As described above in detail for the embodiments,
According to the present invention, the operating lever is stored so as to project from the storage portion of the case body only when it is operated, and the locking body is also retracted into the locking hole of the decorative plate for unlocking, so it feels good when opening and closing the sliding door. It does not get entangled in clothes and looks good on the outside. In addition, the latch is an actuating cam mechanism that has a special structure in which the main shaft and actuating shaft are inserted into the respective cam holes formed in the actuating member and the guide member, so it is linked to the operation of the operating lever. Then, the locking body appears and disappears from the locking hole of the decorative plate, and when locked, it can be locked by locking the locking hole of the facing sliding door and then pulled and sealed. The present invention has excellent effects such as obtaining a robust sliding door locking device that operates smoothly, prevents sliding of the sliding door, and can reliably seal the sliding door.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view of a sliding door equipped with a locking device of the present invention.

FIG. 2 is a cross-sectional plan view that can also be partially omitted.

FIG. 3 is a perspective view of the locking device of the present invention with the decorative plate removed.

FIG. 4 is an exploded perspective view of the locking device of the present invention with a part thereof cut away.

FIG. 5 is a vertical sectional side view of the operation lever portion of the locking device.

FIG. 6 is a vertical sectional side view of a lock body and an operating cam mechanism when the locking device is unlocked.

[Fig. 7] Similarly, a vertical side view of the latch body and the operation cam mechanism when the lock is closed.

[Fig. 8] Similarly, a vertical side view of the latch body and the operating cam mechanism at the time of sealing and locking.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Locking device 2 Case body 3 Storage part 10 Operating lever 12 Connection rod 15 Connecting block body 20 Guide body 24 Guide hole 25 Cam hole 26 Actuating shaft fitting part 27 Main shaft fitting part 30 Actuating body 33 Connecting shaft 34 For main shaft Cam hole 35 Cam hole for actuating shaft 40 Locking body 41 Key type locking part 42 Main shaft fitting hole 43 Working shaft fitting hole 50 Main shaft 51 Working shaft 60 Decorative plate 61 Locking hole for retracting the locking body H Locking hole

Claims (1)

[Claims] 1. An operating lever is rotatably housed in a housing portion of a case body, a guide body is fixed to the case body, and an operating body having a hook body attached to the guide body is slidably slidably installed. , The main shaft is inserted into the main body cam hole of the hook and the actuating body and the cam hole of the guide body, while the actuating shaft is inserted into the actuating shaft fitting hole of the hook and the actuating shaft cam hole of the actuating body and the guide body. The main shaft and the operating shaft which are inserted into the cam holes, slide the operating body in conjunction with the rotation of the operating lever, and are fitted into the respective cam holes of the hooking body and the operating body and the guide body,
When the locking body is retracted into the locking hole when unlocked, and the locking body is locked into the locking hole of the facing sliding door by protruding the locking hole during locking.
A locking device for a sliding door, which attracts this and seals it.