JP3237994U - Thumb turn rotation control item - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a thumb turn rotation control item for preventing unlocking of a thumb turn of a door locking door from the outside of the door locking door. SOLUTION: The cylinder portion 100 is configured as a cylinder having one end portion 100a as a closing portion and the other end portion 100b as an opening portion, and covers an existing thumb turn S from the opening portion 100b. The plate portion 101 is configured to extend radially outward from the peripheral end portion 100c of the opening portion 100b of the tubular portion 100. The fixing portion 102 fixes the plate portion 101 to the wall surface W in the vicinity of the thumb turn S. The hole 103 is provided in a part of the closed portion 100a of the tubular portion 100 that covers the thumb turn S, and exposes a part S2 of the knob S1 of the thumb turn S. The pillar portion 200 can be inserted into the hole portion 103. The recessed portion 201 is provided at one end portion 200a in the longitudinal direction of the pillar portion 200, and can grip a part S2 of the knob S1 of the thumb turn S. [Selection diagram] Fig. 1

Description

The present invention relates to a thumb turn rotation control item.

Conventionally, a general door lock for door locking is configured by disposing a thumb turn of a knob that rotates in conjunction with the operation of locking and unlocking inside the door. Since the thumb turn of such a door lock for door locking can be easily unlocked, there are various techniques for preventing the thumb turn from being unlocked.

For example, Utility Model Registration No. 3098821 (Patent Document 1) discloses a thumb-turn turning protective cover that surrounds a thumb-turn overhanging inside a door. This thumb-turn turning protective cover is composed of a main body and a lid, one side surface of the lid is fully open, and an introduction groove opened in the veranda direction is opened in the center of the side surface facing the open side surface. In the main body, a thumb turn hole through which the thumb turn is inserted is opened in the center of the top surface thereof. In addition, a cross screw or a single screw is screwed to the side plate corresponding to the side surface on the free end side of the lid, and the predetermined end edge of the main body and the bottom edge of the open side surface of the lid are rotated by a connecting metal fitting such as a hinge. When movably connected and closed, the side wall of the lid is configured to be located outward with respect to the side wall of the body. As a result, even if you try to operate the thumb turn in the room, which is a knob that rotates in conjunction with the locking and unlocking operation, from the outside of the door by inserting it through the hole made in the door by setting it to the closed lid mode. Since it is extremely difficult to touch the thumb turn, it has excellent crime prevention performance against burglaries and is said to have practical effects such as being able to be provided at low cost.

Further, Japanese Patent Application Laid-Open No. 2006-233732 (Patent Document 2) discloses a thumb turn guard including a thumb turn through hole, a base, a lever, a first fixing means, and a second fixing means. .. The base has an openable cover that can cover the thumb turn passed through the thumb turn through hole, and the lever is movable so that the thumb turn can be locked or released when the cover is closed. The first fixing means is fixed to the base when the cover is closed, and the second fixing means is for fixing the base to the door. As a result, the cover covers and fixes the entire thumb turn, making it difficult to operate from the outside, and the cover is openable, so when a resident operates the thumb turn from the inside of the door to open and close the cover, the cover is opened. Since it can be opened, the cover does not get in the way of touching the fingers. In addition, the lever that locks the thumb turn is movable and can be switched between lock and unlock, the cover can be closed regardless of which setting is set, the thumb turn can be guarded, and the lock lever is oval to make the thumb turn. It is said that it can handle a wide range of shapes, from elliptical to flat.

Utility Model Registration No. 3098821 Gazette Japanese Unexamined Patent Publication No. 2006-233732

In facilities for the elderly and long-term care facilities, managers and caregivers keep the elderly in their rooms so that the elderly, care recipients, wheelchair users, and persons with disabilities do not go out of the house. May be left. In that case, a thumb turn is installed inside the door of the room as a door lock.

Here, since the thumb turn is usually installed inside the door of the room, for example, even if the manager or the like confine the elderly person or the like inside the room, the elderly person or the like is inside the door of the room. There is a problem of turning the thumb turn and going out of the room. In particular, if an elderly person or the like goes out secretly to an administrator or the like, he / she may be involved in some kind of trouble, which is an important issue. For example, there is a solution to such a problem by key-operating the thumb turn, but in this case, the existing thumb turn must be remodeled, which causes another problem that it is large-scale and costly. Will end up. Therefore, there has been a demand for an item that can control the rotation (locking and unlocking) of the thumb turn.

Here, in the technique described in Patent Document 1-2, it is possible to prevent a person from touching the thumb turn by covering the existing thumb turn, but when the thumb turn is to be turned, a special jig is used. It is necessary to open the cover, which is troublesome and time-consuming.

Therefore, the present invention has been made to solve the above-mentioned problems, and an object thereof is to provide a thumb turn rotation control item capable of easily prohibiting or permitting the rotation of an existing thumb turn. do.

The thumb-turn rotation control item according to the present invention includes a cover portion, a key portion, and the cover portion includes a cylinder portion, a plate portion, a fixing portion, and a hole portion. The cylinder portion is configured as a cylinder having one end as a closed portion and the other end as an opening, and covers the existing thumb turn from the opening. The plate portion is configured to extend radially outward from the peripheral end portion of the opening portion of the tubular portion. The fixing portion fixes the plate portion to the wall surface in the vicinity of the thumb turn. The hole is provided in a part of the closed portion of the cylinder portion that covers the thumb turn, and exposes a part of the knob of the thumb turn. The key portion includes a pillar portion and a recessed portion. The pillar portion can be inserted into the hole portion. The recessed portion is provided at one end in the longitudinal direction of the pillar portion, and a part of the knob of the thumb turn can be gripped. In the thumb turn rotation control item, the pillar portion of the key portion is passed through the hole portion of the cover portion, and a part of the knob of the thumb turn covered with the tubular portion of the cover portion is gripped by the recessed portion of the key portion. By rotating the pillar portion of the key portion, the knob of the thumb turn is rotated.

According to the present invention, it is possible to easily prohibit or allow the rotation of the existing thumb turn.

It is a perspective view which shows the positional relationship between the cover part and the key part of the thumb turn rotation control item which concerns on this invention, and the existing thumb turn. It is a perspective view which shows an example of the state which the cover part of the thumb turn rotation control item which concerns on this invention covers a thumb turn. It is a perspective view which shows an example of the case where the thumb turn is rotated by the key part of the thumb turn rotation control item which concerns on this invention. It is sectional drawing which shows an example of the case where the thumb turn is rotated by the key part of the thumb turn rotation control item which concerns on this invention. It is a plurality of perspective views showing an example of the case where the cover portion of the thumb turn rotation control item according to the present invention rotates the thumb turn with the key portion from the state where the cover portion covers the thumb turn.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings to help understand the present invention. It should be noted that the following embodiment is an example embodying the present invention and does not limit the technical scope of the present invention.

As shown in FIG. 1, the thumb-turn rotation control item 1 according to the present invention includes a cover portion 10 and a key portion 20. The cover portion 10 includes a cylinder portion 100, a plate portion 101, a fixing portion 102, and a hole portion 103.

The cylinder portion 100 is configured as a cylinder having one end 100a as a closing portion and the other end 100b as an opening, and covers the existing thumb turn S from the opening 100b. Here, the tubular portion 100 is configured as a cylinder having a vertical / horizontal / height size that is longer than the vertical / horizontal / height size of the thumb turn by a predetermined length.

Further, the plate portion 101 is configured to extend radially outward from the peripheral end portion 100c of the opening portion 100b of the tubular portion 100. The plate portion 101 is formed in a rectangular shape that is long in the vertical direction.

Further, the fixing portion 102 fixes the plate portion 101 to the wall surface W in the vicinity of the thumb turn S. Here, the fixing portion 102 can be inserted into, for example, a predetermined number (for example, two) of screw holes 102a and two screw holes 102a provided in the vertical direction of the plate portion 101, respectively, and is in the vicinity of the thumb turn S. It is composed of a predetermined number (two) of screws 102b that can be screwed to the wall surface W of the above. Further, the wall surface W in the vicinity of the thumb turn S corresponds to, for example, the wall surface of the door lock.

Further, the hole 103 is provided in a part of the closed portion 100a of the tubular portion 100 that covers the thumb turn S, and exposes a part S2 of the knob S1 of the thumb turn S. Here, the hole 103 is formed in a circular shape, and only a part S2 of the knob S1 of the thumb turn S is exposed.

The key portion 20 includes a pillar portion 200 and a recessed portion 201. The pillar portion 200 can be inserted into the hole portion 103. Here, the pillar portion 200 is configured as a cylinder.

Further, the recessed portion 201 is provided at one end portion 200a in the longitudinal direction of the pillar portion 200, and can grip a part S2 of the knob S1 of the thumb turn S. Here, the recessed portion 201 is configured to be opened in one end portion 200a of the pillar portion 200 in a concave shape corresponding to the shape of a part S2 of the knob S1 of the thumb turn S.

Then, the thumb turn rotation control item 1 according to the present invention is a part S2 of the knob S1 of the thumb turn S covered with the cylinder portion 100 of the cover portion 10 by passing the pillar portion 200 of the key portion 20 through the hole portion 103 of the cover portion 10. Is grasped by the recessed portion 201 of the key portion 20, and the pillar portion 200 of the key portion 20 is rotated to rotate the knob S1 of the thumb turn S.

This makes it possible to easily prohibit or allow the rotation of the existing thumb turn. That is, in the present invention, as shown in FIG. 2, by covering the thumb turn S with the cover portion 10, even if an elderly person or the like tries to pick the knob S1 of the thumb turn S, he / she cannot pick it.

Here, since the hole 103 of the cover portion 10 exposes only a part S2 of the knob S1 of the thumb turn S, it is assumed that an elderly person or the like can contact the knob S1 of the thumb turn S through the hole 103. However, the knob S1 of the thumb turn S cannot be rotated. Therefore, the rotation of the knob S1 of the thumb turn S can be easily prohibited.

On the other hand, as shown in FIGS. 3 and 4, the administrator or the like prepares the key portion 20 and passes the pillar portion 200 of the key portion 20 through the hole portion 103 of the cover portion 10 so that the tubular portion of the cover portion 10 is formed. A part S2 of the knob S1 of the thumb turn S covered with 100 is gripped by the recessed portion 201 of the key portion 20. Then, the administrator or the like rotates the knob S1 of the thumb turn S by rotating the pillar portion 200 of the key portion 20. As a result, an administrator or the like who owns the key unit 20 can rotate the knob S1 of the thumb turn S, so that the rotation of the knob S1 of the thumb turn S can be easily permitted.

Further, in the present invention, since the thumb turn S is covered with the cover portion 10 from the outside, the construction is easy and the thumb turn S can be easily installed on the existing thumb turn S, which is extremely practical.

Here, the type of material constituting the cover portion 10 is not particularly limited, and examples thereof include resin, wood, and metal (iron, stainless steel, copper, aluminum). If the cover portion 10 is made of resin, in the event of an emergency such as a fire, an elderly person or the like can smash the cover portion 10 with a tool and immediately rotate the knob S1 of the thumb turn S. .. Further, the color of the cover portion 10 is not particularly limited, but for example, if it is transparent, it is preferable because the administrator or the like can know the existence of the thumb turn S, and if it is opaque, the elderly or the like can indicate the existence of the thumb turn S. It is preferable because it cannot be confirmed.

The type of the cylinder portion 100 is not particularly limited, and examples thereof include an elliptical cylinder, a square cylinder, a hexagonal cylinder, a polygonal cylinder, and the like, in addition to the cylinder. The size of the tubular portion 100 is not particularly limited, but can be configured to have a vertical / horizontal / height size that is longer than the vertical / horizontal / height size of the thumb turn S by a predetermined length, for example. The shape of the tubular portion 100 is not particularly limited, but for example, the shape of a cylinder larger than the shape of the cylinder of the thumb turn S can be configured to cover the knob S1 of the thumb turn S.

The shape of the plate portion 101 is not particularly limited, and examples thereof include a square, a circle, an ellipse, and a polygon, in addition to the rectangle. The configuration of the fixing portion 102 is not particularly limited, and examples thereof include double-sided tape and screws in addition to the screws. The shape of the hole 103 is not particularly limited, and examples thereof include a square, a rectangle, an ellipse, and a polygon, in addition to a circle. Further, the size of the hole 103 is not particularly limited, but for example, if the size is such that one finger of a hand can be inserted, the existence of the thumb turn S can be confirmed through the hole 103, and the pillar 200 is inserted. It becomes easy and is preferable.

The type of material constituting the key portion 20 is not particularly limited, and examples thereof include resin, wood, and metal (iron, stainless steel, copper, aluminum). The color of the key portion 20 is not particularly limited, but may be transparent or opaque, for example.

The shape of the column portion 200 is not particularly limited, and examples thereof include an elliptical column, a quadrangular column, a hexagonal column, a polygonal column, and the like, in addition to the cylinder. Further, the shape of the recessed portion 201 is not particularly limited, and examples thereof include an elliptical column, a quadrangular column, a hexagonal column, a polygonal column, and the like, in addition to a cylinder having a concave opening.

Here, as shown in FIGS. 1, 3, and 4, the present invention includes a protrusion 202 provided at the other end 200b of the column portion in the longitudinal direction and which can be grasped by hand. As a result, the administrator or the like grips the protrusion 202, passes the pillar portion 200 of the key portion 20 through the hole portion 103 of the cover portion 10, and one of the knobs S1 of the thumb turn S covered with the cylinder portion 100 of the cover portion 10. By gripping the portion S2 with the recessed portion 201 of the key portion 20 and rotating the protrusion 202, the pillar portion 200 of the key portion 20 can be easily rotated to rotate the knob S1 of the thumb turn S.

Further, in the present invention, the pillar portion 200 is provided at the other end portion 200b in the longitudinal direction of the pillar portion, and when the pillar portion 200 of the key portion 20 is inserted into the hole portion 103 of the cover portion 10, the pillar portion 200 is inserted in the back of the cylinder portion 100. A flange portion 203 may be provided to prevent the key from entering. As a result, it is not necessary to insert the pillar portion 200 to the depth of the cylinder portion 100.

Further, since the doorknob D is mostly provided around the thumb turn S as shown in FIG. 5, for example, the corner portion of the closed portion 100a of the tubular portion 100 is chamfered to form the doorknob D. It may be configured so as not to interfere with the rotation.

Further, in the present invention, for the installation of the cover portion 10, a key portion for centering having the same shape as the key portion 20 may be separately provided.

Further, in the present invention, as shown in FIG. 5, the attachment portion 203 may be separately provided on the key portion 20 (for example, the grip portion 202). Thereby, for example, when a key holder or the like is attached to the attachment portion 203 so that the administrator or the like can always carry it, or when the key portion 20 is installed near the cover portion 10 and the knob S1 of the thumb turn S is rotated. In addition, the key unit 20 may be made available.

Other functions and other designs may be added to the configuration of the thumb-turn rotation control item 1 according to the present invention.

As described above, the thumb-turn rotation control item according to the present invention is useful as a thumb-turn rotation control item applied not only to facilities for the elderly and nursing care facilities but also to general houses and factories, and is an existing thumb-turn. It is effective as a thumb turn rotation control item that can easily prohibit or allow the rotation of.

1 Thumb turn rotation control item 10 Cover part 100 Cylinder part 101 Plate part 102 Fixed part 103 Hole part 20 Key part 200 Pillar part 201 Depressed part

Claims (1)

It has a cover part and a key part,
The cover portion is
A cylinder with one end as a closure and the other end as an opening, and a cylinder that covers the existing thumb turn from the opening.
A plate portion formed by radially extending outward from the peripheral end portion of the opening portion of the tubular portion, and a plate portion.
A fixing portion for fixing the plate portion to the wall surface in the vicinity of the thumb turn, and a fixing portion.
A hole provided in a part of the closed portion of the tubular portion covering the thumb turn and exposing a part of the knob of the thumb turn, and a hole portion.
Equipped with
The key part is
A pillar portion that can be inserted into the hole portion and a pillar portion that can be inserted into the hole portion.
A recessed portion provided at one end in the longitudinal direction of the pillar portion and capable of gripping a part of the knob of the thumb turn, and a recessed portion.
Equipped with
The pillar portion of the key portion is passed through the hole portion of the cover portion, and a part of the knob of the thumb turn covered with the tubular portion of the cover portion is gripped by the recessed portion of the key portion to hold the pillar portion of the key portion. By rotating the part, the knob of the thumb turn is rotated.
Thumb turn rotation control item.

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