JP6401822B1 - Inner door locking device - Google Patents

Abstract

An interior door locking device is provided that can easily lock and unlock an inner door and pull an operation lever to open the door as it is. A handle piece 10 is fixed to a rod 9 on the door end side, and an operation lever 21 is pivotally attached to the back surface thereof. The operating lever is provided with an engaging collar 23, and a locking part 51 is provided on the collar frame 49 of the frame so as to engage with the engaging collar 23 when the door is in the closed position. The operating lever 21 is urged by a spring 46 in a direction in which the engaging collar 23 is engaged with the locking portion 51. When the operation lever 21 is pulled, the engagement between the engagement flange portion 23 and the locking portion 51 is released, and the door can be opened inward. [Selection] Figure 5

Description

  The present invention relates to a locking device for an internal hinge door that can easily lock and unlock an internal hinge door that is suspended in a frame so as to be opened and closed by a hinge.

  Various locking devices are used in which a door suspended in a frame so as to be freely opened and closed is locked to the frame by a locking device. Generally, such a locking device is provided with a locking device on the door end side, and after the door is closed, it is locked by the locking device, and before the door is opened, the locking device is operated to unlock the locking. (For example, refer to Patent Document 1). In the unlocking operation device described in Patent Document 1, an operation lever protrudes from the front side of the shoji, and when the shoji is opened when the shoji is opened, the lock device is unlocked to open the shoji outward. It is configured to be able to. However, this device has a complicated structure and cannot be obtained economically, and is prone to failure.

  The device described in Patent Document 1 can open the shoji by opening it while pressing the operation lever. However, in this device, the shoji can be used as an inside door that opens to the indoor side. Can not. A window that is unlocked by pulling the operation lever so that the shoji can be opened inward is also known (for example, see Patent Document 2), but the configuration is complicated. Moreover, since the operation lever and the handle protrude forward from the surface of the shoji, the conventional device may be caught by hands, fingers, etc., and there is no sense of unity with the shoji and it does not look good.

Patent No. 5952177 (Claims, FIGS. 1 to 6) Japanese Patent No. 2835025 (Claims, FIGS. 1 and 2)

  The present invention can lock and unlock the inner opening door with a simple configuration, and when the operation lever is pulled, the door can be unlocked and the door can be opened as it is, and when closing, the door can be closed and the operation lever can be locked. The object is to provide a locking device for an inner hinge door that does not protrude from the front side of the door.

According to the present invention, there is provided a locking device for hinged door inner were incorporated hanging freely opened and closed to the frame, mounting portion fixed to the fore of該竪stile extending along the fore of the vertical stile of the door of the door end side And a handle piece having a front plate portion extending along the front surface of the door, a support portion provided at an intersection of the mounting portion and the front plate portion, and the handle piece connected to the support portion of the handle piece so as to be rotatable. An operating lever having an operating portion facing the front plate portion and an operating portion extending along the mounting portion of the handle piece and having an engaging flange formed at the tip thereof, and the engaging lever when the door is in the closed position. A locking portion provided at a fore edge of the flange frame of the frame body, and a spring for biasing the operation lever in a direction in which the engagement flange portion of the operation lever engages the locking portion, When the door is in the closed position, the engaging hook engages with the locking part and locks it, and pulls the operating part of the operating lever toward the front plate part of the handle. Locking device of hinged door inner engagement Kakarigokagi portion and the locking portion when asked is characterized in that it is unlocked out is provided.

  According to the present invention, in the locking device, the operating portion of the operation lever is provided with a protruding shaft, the base is fixed to the door ridge, and the protruding shaft is inserted into a guide groove provided in the base. The locking device for the internal door is provided in which the spring is connected to a latch piece provided on the tip of the protruding shaft and the base.

  Further, according to the present invention, in the locking device, there is provided the locking device for the internal door, wherein the handle piece and the operating lever have a length that extends over substantially the entire length of the door cage.

  As described above, the present invention fixes the handle piece having the front plate portion extending along the front surface of the door and the attachment portion extending along the small edge of the ridge on the door end side of the door to the heel. There is a support portion at the intersection of the attachment portion and the front plate portion of the handle piece, and an operation lever is rotatably connected to the support portion. The operating lever has an operating portion facing the back side of the front plate portion of the handle piece and an operating portion extending along the mounting portion and having an engaging flange at the tip. A locking portion is provided at the edge of the frame frame so that the engagement flange engages when the door is in the closed position, and the operation lever has the engagement flange on the locking portion. It is biased by a spring in the direction of engagement. When the door is in the closed position, the engaging hook engages with the locking portion and locks, and when the operating portion of the operating lever is pulled toward the front plate portion of the handle piece, the engaging hook and the locking portion The engagement is released and unlocked. As described above, the locking device of the present invention can be unlocked simply by pulling the operation lever, and if the door is closed, the engagement lever portion of the operation lever can be engaged with the locking portion and locked. Compared to the configuration, it is extremely simple and not easily damaged.

  Moreover, since the said operation lever is provided in the back surface side of the handle piece provided in the small edge by the side of a door, it cannot see from a front surface, and there is no possibility that a hand, a finger, etc. may be caught. By providing the handle piece and the operation lever over almost the entire length of the eaves, the operation lever can be operated from any position above and below the door end side, and it is easy to use.

The front view of a door which shows one Example of this invention. Explanatory drawing which showed the relationship between a door and a frame, and was seen from the plane. Sectional drawing of a handle piece. Sectional drawing of an operation lever. FIG. The perspective view which shows a part of bag. The process of opening the door is shown, (A) is a state where the door is closed, (B) is a state where the operating lever is pulled with a handle piece, and (C) is an explanatory diagram of a state where the door is opened. The process which closes a door is shown, (A) is the state in which the door is open, (B) is the state in the middle of pressing a door against a frame, (C) is each explanatory drawing of the state which closed the door completely.

  Referring to FIGS. 1 and 2, in the present invention, a door 1 (paper sliding door) is suspended in the frame 2 by hinges 3 provided at the top and bottom of the frame 2 so as to be freely opened and closed. A slider 5 is provided slidably along the upper frame 4, and a link 8 pivotally attached to the upper ridge 6 of the door is connected to the slider so that the door 1 can be opened inward. An opening restriction device that restricts the movement and a friction stay for safety to prevent sudden opening.

  A handle piece 10 is provided on the ridge 9 on the door end side of the door. As shown in FIGS. 1, 3, and 5, the handle piece 10 extends along the small hole 11 of the flange 9 and is fixed to the small hole 11 by inserting a screw (not shown) through the mounting hole 12. And a front plate portion 14 extending substantially perpendicularly from the mounting portion 13 along the front surface of the door 1. The front plate portion 14 has a positioning portion 15 that is in contact with the corner portion of the flange 9 and acts as a positioning ruler, and a rotation stopper portion 16 that protrudes outward from the flange. The rotation stopper portion 16 is preferably gently curved in the direction of the eyelet of the heel, and a finger pinching prevention wall 17 protruding in the back surface direction at a substantially right angle is formed at the tip. A support portion 18 is formed at the intersection of the mounting portion 13 and the front plate portion 14 on the rotation stopper portion 16 side. The support part 18 shown in the drawing forms a receiving groove 20 by a protruding piece 19 protruding from the mounting part 13 side and the rotation stopper part 16 side.

  An operation lever 21 is connected to the support portion 18 of the handle piece 10 so as to be rotatable. The operation lever 21 includes an operation portion 22 that faces the back surface of the front plate portion 14 of the handle piece 10 on the side of the rotation stopper portion 16 and whose rotation is restricted at a position where it touches the rotation stopper portion 16, and the mounting portion. 13 has an actuating portion 24 that extends along 13 and has an engagement flange 23 formed at the tip. The operation portion 22 is curved slightly rearward so as to form a rotation gap 25 between the operation stopper portion 16 and an anti-slip 26 having an appropriate shape such as irregularities is preferably provided on the surface. The engagement flange 23 has an inclined surface 28 extending in a heel direction from a tip portion 27 formed in a round shape, and an upstanding surface 29 bent toward the operating portion 24 from the tip of the inclined surface 28. Further, the operating portion 24 is formed with a small projection 30 that contacts the mounting portion 13 of the handle piece 10 and an attachment hole 33 for fixing the protruding shaft 31 with a screw 32.

  In order to hold the operation lever 21 in a fixed position, one or a plurality of bases 34 are fixed to the rod 9. The base 34 includes an upright piece 36 in which a guide groove 35 for inserting the protruding shaft 31 is formed, and a flat portion 40 in which an insertion hole 39 for fixing a screw 38 in the mounting hole 37 of the flange 9 is formed. The guide groove 35 extends from the standing piece 36 to the flat surface portion 40. The latching piece 41 protrudes on the side facing the standing piece 36. The protruding shaft 31 is formed with a female screw 42, a flange 43 slidably contacting the upright piece 36, and a notch surface 44 that enters the guide groove 35 and cuts the outer surface of the cylinder as a detent, and is provided at the rear end. Between the hole 45 and the retaining piece 41, both ends of the spring 46 that urges the operating lever 21 toward the small edge 11 of the flange 9 are latched. Note that a notch 47 is formed in the flange 9 so that the protruding shaft 31 can be inserted (see FIG. 6).

  A rotation shaft 48 for rotatably connecting the operation lever 21 to the handle piece 10 is formed at a corner connecting the operation unit 22 and the operation unit 24 of the operation lever 21. The pivot shaft 48 is rotatably inserted into a receiving groove 20 formed in the support portion 18 of the handle piece 10. Contrary to the embodiment, a rotation shaft is provided in the support portion of the handle piece, a receiving groove is provided in the operation lever, a connecting frame is provided so as to be able to be combined with both, and the pin is rotatably connected with a pin, A hinge independent of the handle piece and the operation lever may be provided and pivotally attached via the hinge (not shown).

  A receiving tool 52 provided with a locking portion 51 is fixed to the small edge 50 of the collar frame 49 of the frame body 2 with a screw 53. The locking portion 51 has a standing surface 54, and the locking portion 51 is slidably engaged with the standing surface 29 of the engaging collar 23 when the door is in the closed position. It protrudes slightly outward, and an inclined surface 55 is formed at the corner.

  Since the operation lever 21 is urged by the spring 46 in the direction of the small edge 11 of the flange 9, the engagement flange 23 is always urged in a direction to engage with the locking portion 51. Further, the handle piece 10 and the operation lever 21 are preferably substantially the entire length of the door cage 9 so that the operation lever 21 does not appear on the outer surface and can be operated from any position in the vertical direction. It is formed in a length that extends across.

  In the state in which the door 1 is closed by the above configuration, as shown in FIG. 7A, the engagement collar portion 23 of the operating portion 24 is engaged with the locking portion 51 of the receiving member 52, and the door 1 is locked in the closed position. When the operating portion 22 of the operating lever 21 is pulled by placing a hand on the handle piece 10, the operating portion 24 is rotated to disengage the engaging collar portion 23 from the engaging portion 51 (FIG. B). When the piece 10 is pulled, the door can be opened inward (Fig. C).

  In the state where the door is opened, as shown in FIG. 8A, the operation lever 21 has been returned to the initial state by the action of the spring 46. The door 1 may be rotated and closed toward the frame 2. When the inclined surface 28 of the engaging collar 23 hits the inclined surface 55 of the locking portion 51 of the receiving member 52, the locking portion is rotated slightly outwardly against the elastic force of the spring 46 (B in the figure). 51, the engaging surface 23 of the engaging hook 23 and the rising surface 54 of the engaging portion 51 are slidably engaged with each other by the action of the spring 46 when the engaging portion 51 is exceeded. (Fig. C).

  The handle piece 10, the operation lever 21, and the receiving member 52 are formed of an extruded material such as an aluminum alloy, but may be formed of a plastic material or a wood material.

1 door 2 frame 9 竪 框 10 handle piece 13 mounting portion 14 front plate portion 15 positioning portion 16 rotation stopper portion 17 finger pinching prevention wall 18 bearing portion 20 receiving groove 21 operation lever 22 operation portion 23 engagement hook portion 24 operation Part 31 Projection shaft 34 Base 35 Guide groove 36 Standing piece 40 Plane part 41 Hooking piece 46 Spring 48 Rotating shaft 49 Fence frame 51 Locking part 52 Receiving tool

Claims (4)

A locking device for hinged door inner were incorporated hanging freely opened and closed to the frame, along the front surface of the mounting portion and the door to be fixed to small-lot該竪stile extending along the fore of the vertical stile of the door of the door end side And a handle piece having a support portion provided at the intersection of the attachment portion and the cover plate portion, and a pivot piece connected to the support portion of the handle piece so as to face the face plate portion of the handle piece. An operating lever having an operating portion that extends along the mounting portion of the operating portion and the handle piece and has an engaging hook at the tip thereof, and a frame body that engages with the engaging hook when the door is in the closed position. A locking portion provided at a small edge of the frame frame, and a spring that biases the operation lever in a direction in which the engagement flange portion of the operation lever engages with the locking portion, and the door is in the closed position. When the engagement hook part engages with the locking part and locks, the operation part of the operation lever is pulled toward the front plate part of the handle piece. Locking device of hinged door inner wherein the engagement parts and the locking portion is unlocked out.   The said handle piece has a rotation stopper part which protrudes while curving outward of a collar, The finger pinching prevention wall extended at right angle is provided in the front-end | tip of this rotation stopper part. Locking device for interior doors.   The locking device for an inner hinge door according to claim 1 or 2, wherein the handle piece and the operating lever have a length over the entire length of the door ridge. An inner hinge door using the locking device according to any one of claims 1 to 3 .

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