JP3225629U - Indoor lock - Google Patents

Abstract

Provided is an indoor lock that can be used as a retrofitted indoor lock for an interior opening type door of a room in a building and that can escape from a room at the time of locking. A locking member holding piece protruding in the outdoor direction is attached to an inward-opening hinged door via an attachment portion, and a locking member is attached to a tip end of the locking member holding piece. The locking is performed by bringing the member 5 into contact with the door frame side, and the locking member holding piece 3 and the mounting portion 4 are configured to be separable on the indoor side so that the locking is performed when the locking member 5 is in the locked state. The member holding piece 3 and the mounting portion 4 can be separated and unlocked on the indoor side. [Selection diagram] FIG.

Description

  The present invention relates to, for example, an indoor lock that is used as a retrofit on a hinged door (door) of a room in a building, and particularly to an indoor lock that enables emergency escape from a room at the time of locking.

In recent years, demand for private lodging and the like has been increasing, and even in general households, inherited properties and the like may be used for private lodging.
In such a case, for example, when it is desired to rent only two rooms of a 3LDK property, there is a request for an interior lock that can be used later without processing the door in order to lock the remaining one room.
There is also a demand for an interior lock that can be used afterwards without processing a door in order to lock a specific room other than a private night.

By the way, as a lock to be used as a retrofit on a hinged door (door), an auxiliary lock that is retrofitted to a hinged door of an apartment or the like is often installed in order to prevent theft by picking.
As this auxiliary lock, a locking member holding piece protruding in the opening direction of the hinged door is attached to the door frame side of the hinged door, a locking member is mounted on the locking member holding piece, and the locking member is brought into contact with the hinged door from outside. Auxiliary locks that lock the doors are known (for example, see Patent Document 1).

  However, the auxiliary lock described in Patent Literature 1 is for an outside opening type door, and cannot be applied to an inside opening type door used for a door (door) of a room in a building. In the following usage modes, there is a problem that if the door is locked from the outside without noticing that there is a person in the room, the person cannot escape from the room.

JP-A-9-100665

  The present invention has been made in view of the above-described problems of the conventional auxiliary lock, and can be used as a retrofit indoor lock of an interior opening type door of a room in a building, and also enables an escape from the room at the time of locking. The purpose is to provide tablets.

  In order to achieve the above object, the indoor lock of the present invention attaches a locking member holding piece projecting in the outdoor direction to an inward-opening hinged door via a mounting portion, and attaches a locking member to a tip side of the locking member holding piece. An indoor lock that is mounted and locked by bringing the locking member into contact with a door frame side, wherein the locking member holding piece and the mounting portion are configured to be separable on the indoor side, and the locking member is in a locked state. In this case, the locking member holding piece and the mounting portion can be separated and unlocked on the indoor side, and the locking member is integrally provided with a door frame contact portion and a door contact portion. Features.

  In this case, a cam is provided on the mounting portion so as to be able to be pulled and operated against the urging force of the spring, and the locking portion of the cam is engaged with a locking hole formed on the base end side of the locking member holding piece. By doing so, the mounting portion is integrated with the locking member holding piece, and the cam is pulled against the urging force of the spring, so that the locking portion of the cam and the base end of the locking member holding piece. By releasing the engagement with the locking hole formed on the side, the locking member holding piece and the mounting portion can be separated on the indoor side.

Further, a door frame abutting body can be provided at the door frame abutting portion of the locking member so that the protrusion dimension can be adjusted.
The door frame abutting member of the door frame abutting portion of the locking member may be provided with a rotation operation cap for adjusting a protrusion dimension of the door frame abutting member.

  Further, a buffer mechanism can be provided in the door frame contacting body of the door frame contacting portion of the locking member.

  According to the indoor lock of the present invention, a locking member holding piece projecting in the outdoor direction is attached to the inward-opening hinged door via the mounting portion, and a locking member is attached to the tip side of the locking member holding piece, and the locking is performed. The locking member holding piece and the mounting portion of the indoor lock that performs locking by bringing the member into contact with the door frame side are configured to be separable on the indoor side, and when the locking member is in the locked state, the locking member holding piece And the mounting part can be separated and unlocked on the indoor side, so that it can be used as a retrofitted indoor lock for an inward-opening hinged door, and can escape from the room when locked. Further, since the door frame abutment portion and the door abutment portion are integrally provided on the locking member, it is possible to provide an interior lock with high safety and design that is difficult to be unlocked. .

  Also, a cam may be disposed on the mounting portion so as to be able to be pulled and operated against the urging force of a spring, and the locking portion of the cam is engaged with a locking hole formed on the base end side of the locking member holding piece. In this way, the mounting portion is integrated with the locking member holding piece, and the cam is pulled against the urging force of the spring, so that the locking portion of the cam and the base end side of the locking member holding piece are By releasing the engagement with the formed locking hole, the locking member holding piece and the mounting portion can be separated from each other on the indoor side, so that the user can escape from the room at the time of locking by a simple operation called a pulling operation. Since it is possible, safety can be further improved.

In addition, by providing a door frame abutting member in the door frame abutting portion of the locking member so that the protruding dimension can be adjusted, rattling or the like occurs in various inward opening type doors and door frames having different specifications. , And can be easily handled.
The door frame abutment of the door frame abutment portion of the locking member is provided with a rotation operation cap for adjusting a protrusion dimension of the door frame abutment, so that the door frame abutment comes into contact with the door frame. The state can be ensured, and the protrusion dimension of the door frame contact body can be easily adjusted.

  In addition, by providing a buffer mechanism in the door frame abutting member of the door frame abutting portion of the locking member, it is possible to prevent the swing door from rattling due to external force such as wind.

FIG. 2 is an overall sectional view of the indoor lock according to the embodiment of the present invention at the time of locking. It is the whole sectional view at the time of unlocking of the same indoor lock. It is a whole sectional view at the time of escape of the same indoor lock. FIG. 7A is an operation explanatory diagram of the interior lock, in which FIG. 7A shows a locked state and FIG. FIG. 7A is an operation explanatory view of the interior lock, in which FIG. 7A shows a locked state, and FIG. 7B shows an unlocked state (escape). It is explanatory drawing of the same indoor lock, (a) is a left view, (b) is a top view, (c) is a right view, (d) and (e) are perspective views. It is an exploded view of the same indoor lock, (a) is a top view and (b) is a right side view. It is a perspective view of the same indoor lock. FIGS. 7A and 7B are explanatory views of a locking member of the indoor lock, wherein FIG. 8A is a plan view, FIG. 8B is a front view, FIG. 9C is a bottom view, FIG. 9D is a left side view, FIG. () Is a sectional view, and (g) is a perspective view. It is an exploded view of the locking member of the same indoor lock, (a) is a front view, (b) is a left side, (c) and (d) are perspective views. It is explanatory drawing of the effect | action of the locking member of the indoor lock. The modified example of the door frame contact body of the locking member of the same interior lock is shown, (a) is the whole view at the time of locking (the attachment part is omitted), (b1) is the plane surface of the rotation operation cap, and (b2) is The same front view, (b3) is the same right side view.

  Hereinafter, an embodiment of the indoor lock of the present invention will be described with reference to the drawings.

1 to 11 show one embodiment of the indoor lock of the present invention.
In this indoor lock, a locking member holding piece 3 protruding in the outdoor direction is attached to an inward opening door 1 of a room in a building via a mounting portion 4, and a locking member is attached to a tip end side of the locking member holding piece 3. The lock is performed by mounting the lock member 5 and bringing the lock member 5 into contact with the door frame 2 side.

The mounting portion 4 has a holding piece 43 attached to the tip of a screw bolt 42a screwed to a nut 42b disposed on the mounting portion main body 41, whereby the screw bolt 42a is rotated to be axially protruded and retracted. The holding piece 43 is moved so that the opening 1 is held between the holding piece 43 and the locking member holding piece 3, and the interior lock can be fixed to the opening door 1.
The holding piece 43 is constituted by a main body 43a and a rubber packing 43b.

  By the way, in the interior lock of this embodiment, the locking member holding piece 3 and the mounting portion 4 are configured to be separable on the indoor side so that when the locking member 5 is in the locked state, the locking member holding piece 3 and the mounting portion 4 are attached. 4 can be separated and unlocked on the indoor side.

  As a mechanism that allows the locking member holding piece 3 and the mounting portion 4 to be separable on the indoor side, specifically, a cam 44 is provided on the mounting portion 4 so as to be operable to pull against a biasing force of a spring 45. As shown in FIG. 5A, the locking portion 44 a of the cam 44 is engaged with the locking hole 32 formed on the base end side of the locking member holding piece 3, so that the locking member holding piece 3 is attached to the mounting portion 4. 5B, the cam 44 is pulled against the urging force of the spring 45 so that the locking portion 44a of the cam 44 and the locking member holding piece are 3 is disengaged from the locking hole 32 formed on the base end side, and in this state, the door member 1 is pulled with the door knob 6 to pull the locking member holding piece 3 and the mounting portion 4 indoors. So that they can be separated.

  In this case, the pulling operation of the cam 44 is performed by the ring member 46, and the operating method (for example, “open the door with the ring with the emergency escape function to the hinge side” and the like) is described on the mounting portion 4. The designated instruction sticker 47 is attached.

  Further, the mounting portion main body 41 of the mounting portion 4 is assembled by covering with a cover 41a.

On the other hand, as shown in FIGS. 9 and 10, the locking member 5 is formed on the main body 50 as a locking mechanism on a cylinder lock 51 and on the opposite side of the cylinder lock 51, and a slit into which the locking member holding piece 3 is inserted. And a key 56 is inserted into the cylinder lock 51 and turned to fix a latch ball 55 provided to be able to protrude and retract in the depth of the slit-shaped hole 52 in a protruding state. I have.
The locking member holding piece 3 can be locked by locking the through hole 31 of the locking member holding piece 3 inserted into the slit-shaped hole 52 with a latch ball 55.
In this way, the locking member 5 is formed with the slit-shaped hole 52 into which the locking member holding piece 3 is inserted, and the latch ball 55 provided to be able to protrude and retract in the depth of the slit-shaped hole 52 is fixed in a protruding state. Therefore, there is an advantage that the latch ball 55 is not exposed to the outside, so that unauthorized unlocking is difficult.

Here, the locking member 5 is provided with a main body 50 so that when the locking member 5 is locked to the locking member holding piece 3, the locking member 5 is locked by making contact with the door frame 2 side. The door frame contact portion 50a and the door contact portion 50b are provided integrally.
In the door frame contact portion 50a, a door frame contact member 53 that adjusts so as to eliminate a gap between the door frame contact portion 50a and the door frame 2 at the time of locking is provided so as to be able to adjust a protruding dimension. .

The door frame contact body 53 includes a main body 53a formed with a female screw, a male screw member 53b, and a cap 53c. By rotating the main body 53a, the protrusion dimension from the door frame contact portion 50a can be adjusted. ing.
Thereby, it is possible to easily cope with various inward opening doors 1 and door frames 2 having different specifications without rattling or the like.
In this case, instead of the cap 53c, as in a modified embodiment shown in FIG. 12, the door frame contact member 53 can be provided with a rotation operation cap 53d for adjusting the protrusion dimension of the door frame contact member 53. .
The cap 53d for rotation operation has a disk shape with a diameter larger than the diameter of the door frame abutment 53 at the tip of the fitting portion 53e of the door frame abutment 53 with the main body 53a, and has a knurled outer peripheral surface. , A contact portion 53f for the door frame 2 is provided.
Thereby, the contact state of the door frame abutting member 53 with the door frame 2, particularly, the door frame 2 having a small width W can be ensured, and the adjustment of the projecting dimension of the door frame abutting member 53 can be adjusted. By rotating the contact portion 53f, the main body 53a can be rotated. For example, even when the locking member 5 is locked to the locking member holding piece 3, it can be easily performed.

Further, the door frame contact body 53 includes a buffer mechanism 54.
In this embodiment, the buffer mechanism 54 is formed of a spring member disposed at a twist position so as to be in contact with the outer peripheral surface of the main body 53a of the door frame abutment body 53.
Accordingly, it is possible to prevent the swing door 1 from rattling or the like due to an external force such as wind.
In addition, the buffer mechanism 54 can also be comprised with the spring member arrange | positioned in the axial direction of the main body 53a of the door frame contact body 53, for example.

In addition, by providing a door contact portion 50b that contacts the surface of the hinged door 1, the tip of the locking member holding piece 3 that locks the locking member 5 is hard to bend toward the hinge side, as shown in FIG. 11B. As described above, it is possible to prevent unauthorized unlocking in which the distal end portion of the locking member holding piece 3 is bent to release the contact state of the door frame contact portion 50a of the locking member 5 with the door frame 2 side.
For this reason, as shown in FIG. 11A, it is desirable that the horizontal dimension W2 of the door contact portion 50b be formed to be about twice the horizontal dimension W1 of the door frame contact portion 50a.

When the lock member 5 is in a locked state, the lock member 5 can be separated and unlocked on the indoor side when the lock member 5 is in the locked state. Since it can be used as an indoor lock and can be made to escape from the room at the time of locking, a safe indoor lock can be obtained.
In particular, the locking member holding piece 3 and the mounting portion 4 can be separated and unlocked on the indoor side by a simple operation of a pulling operation, so that the locking member holding piece 3 and the mounting section 4 can escape from the room at the time of locking. Thus, safety can be further improved.

  As mentioned above, although the interior lock of the present invention was explained based on the embodiment, the present invention is not limited to the configuration described in the above embodiment, and the locking member holding piece 3 and the mounting portion 4 are connected to the indoor side. The structure can be changed as appropriate within a range that does not deviate from the purpose, for example, by adopting a connection structure using a pull-out pin as a mechanism that enables the separation.

  The indoor lock of the present invention can be used as a retrofit indoor lock of a swinging door of a room in a building, and can escape from the room at the time of locking. Suitable for use as a retrofitted interior lock used to lock a specific room in a building such as, etc., and can be widely used for use as an interior lock of an inward opening door .

1 hinged door (door)
2 Door frame 3 Locking member holding piece 31 Through hole 32 Locking hole 4 Mounting part 41 Mounting part main body 42a Screw bolt 42b Nut 43 Nipping piece 44 Cam 44a Locking part 45 Spring 46 Ring member 47 Indicating seal 5 Locking member 50 Main body 50a Door frame contact part 50b Door contact part 51 Cylinder lock (lock mechanism)
52 Slit-shaped hole 53 Door frame contacting body 53a Main body 53b Male screw member 53c Cap 53d Rotating operation cap 53e Fitting part 53f Contact part 54 Buffer mechanism 55 Latch ball 56 Key

Claims (5)

  A locking member holding piece projecting in the outdoor direction is attached to the inward-opening hinged door via a mounting portion, a locking member is attached to a tip side of the locking member holding piece, and the locking member is brought into contact with the door frame side. An interior lock that performs locking by means of the above, wherein the locking member holding piece and the mounting portion are configured to be separable on the indoor side, and the locking member holding piece and the mounting portion are separated from each other when the locking member is in the locked state. An indoor lock characterized in that it can be separated and unlocked on the inside, and a door frame contact portion and a door contact portion are integrally provided in a locking member.   By disposing a cam on the mounting portion so as to be able to be pulled and operated against the urging force of a spring, and engaging the locking portion of the cam with a locking hole formed on the base end side of the locking member holding piece, The attachment portion was integrated with the locking member holding piece, and the cam was pulled against the urging force of the spring to form the locking portion of the cam and the base end side of the locking member holding piece. The interior lock according to claim 1, wherein the locking member holding piece and the mounting portion can be separated on the indoor side by releasing the engagement with the locking hole.   The indoor lock according to claim 1, wherein a door frame abutting body is provided at a door frame abutting portion of the locking member so that a protrusion dimension can be adjusted.   The indoor lock according to claim 3, wherein a rotation operation cap for adjusting a protrusion dimension of the door frame abutment is provided on the door frame abutment of the door frame abutment portion of the locking member.   5. The indoor lock according to claim 3, wherein a buffer mechanism is provided on a door frame contact body of the door frame contact portion of the locking member. 6.

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