JP3169582B2 - Crescent tablets - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crescent lock for locking a sliding door such as a glass door or a screen door provided in, for example, a home or a general building.

[0002]

2. Description of the Related Art Conventionally, a crescent lock has been widely used as a device for locking a glass door or a glass window which is opened and closed in a sliding door format. The crescent lock is provided with a rotatable crescent member and a seat for locking the crescent member, and by rotating the crescent member, the crescent member is locked to the seat (locked state). ) And an unlocked state (unlocked state).

[0003] For example, in the case of a double sliding door, a crescent member is provided on the indoor sliding door, and a seat is provided on the outdoor sliding door. In this case, the crescent member and the seat are provided at positions where they face each other when both sliding doors are completely closed. Then, the locking is performed by rotating the crescent member and locking it to the receiving seat from the indoor side.

FIGS. 8 (a) and 8 (b) are side views of two sliding doors and a screen door provided with a conventional crescent lock as viewed from the side, and FIG. 8 (a) is not locked. FIG. 4B shows a locked state. 8A and 8B, the right side is the indoor side, and the left side is the outdoor side. Further, the two sliding doors are completely closed.

As shown in FIGS. 8A and 8B, a crescent member 51 is provided at a side end of an indoor sliding door 53, and a receiving seat 52 is opposed to the crescent member 51 at an outdoor sliding door 54. It is provided in the position where it does. Also,
The screen door 55 is disposed further outside the outdoor sliding door 54.

The crescent member 51 is rotatable around a rotation shaft 51A. By rotating the crescent member 51 in the direction of the arrow in FIG. As shown in the drawing, a locking portion 51B provided in an arc shape on the crescent member 51 is locked to the receiving seat 52, and is in a locked state. When releasing the locked state, the crescent member 51 is rotated in the opposite direction to the above, to release the state in which the locking portion 51B is locked to the receiving seat 52, as shown in FIG. 8A. Return to such a state.

In the above-described crescent lock, locking is performed by fixing the relative positions of the indoor sliding door 53 and the outdoor sliding door 54 while both are completely closed. This makes it impossible to open the indoor sliding door 53 and the outdoor sliding door 54 from the outdoor side.

[0008]

However, for example, in the configuration shown in FIGS. 8A and 8B, when the outdoor sliding door 54 is opened and the screen door 55 is closed, it goes without saying that the screen door 55 is used. Cannot be locked.

[0009] For example, in summer or the like, it is conceivable to open the sliding door and leave the screen door closed for a long time for purposes such as ventilation and introduction of wind. In such cases, the screen door can be easily opened, so even if the third party is not confident about trying to break in,
It can enter the room very easily. In addition, the possibility of inducing a crime can be considered by being able to easily enter the room.

[0010] Conventionally, there is no lock that locks the screen door, and in order to prevent the screen door from opening, a method such as using a fastener for fixing the screen door has been adopted. However, with such fasteners, the screen door is always fixed at the same position, so when cleaning it,
Whenever it is desired to open the screen door, it is necessary to remove the stopper.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a crescent lock capable of locking a plurality of sliding doors.

[0012]

According to a first aspect of the present invention, there is provided a crescent lock comprising a crescent portion having a rotatable crescent and a seat for locking the crescent. In the crescent lock that switches between a state in which the crescent is locked and locked by a seat by rotating the crescent and a state in which the crescent is locked without being locked, the seat is different. Rank
And a plurality of crescent portions , wherein the crescent portion includes a rotation position switching means for switching the rotation position of the crescent corresponding to each of the plurality of seats. .

According to the above configuration, the crescent can switch its rotation position by the rotation position switching means, so that each of the seats disposed at a plurality of different positions has a different position. By rotating the crescent at the corresponding rotation position, locking can be performed. Therefore, for example, when the crescent portion is provided on the indoor sliding door and the seat is provided on both the outdoor sliding door and the screen door, between the indoor sliding door and the outdoor sliding door, and between the indoor sliding door and the screen door. By switching the rotational position of the crescent for both of them, it becomes possible to lock each of them.

The crescent tablet according to the second aspect is the first aspect.
In the configuration described above, the crescent portion further includes a rotation axis serving as a rotation axis of the crescent, the crescent includes a locking portion that comes into contact with the receiving seat when locked, and the rotation position switching means. Is characterized by switching a distance between the rotation shaft and the locking portion.

According to the above configuration, the rotating position switching means switches the distance between the rotating shaft and the locking portion, so that locking can be performed on a plurality of seats each having a different distance from the crescent portion. It is possible to do.

[0016] The crescent tablet according to the third aspect is the second aspect.
In the configuration described above, the rotating position switching means communicates the plurality of shaft holes provided in the crescent with the plurality of shaft holes abutting on the rotating shaft when the crescent is rotated, and the plurality of shaft holes. A communication hole having a width smaller than a diameter of the shaft hole, the rotation shaft having a shaft diameter substantially equal to the diameter of the plurality of shaft holes, and a rotation contact portion; A shaft portion having a shaft diameter smaller than the width of the communication hole portion, and wherein the rotating shaft is movable in the axial direction.

According to the above arrangement, when rotating the crescent, the axial position of the rotating shaft is set such that the rotating contact portion of the rotating shaft and the shaft hole of the crescent contact. When switching the rotating position of the crescent, the crescent can be moved by setting the axial position of the rotating shaft such that the shaft of the rotating shaft passes through the communication hole of the crescent. it can. Therefore, it is possible to provide a crescent lock that does not require a complicated configuration and that can extremely easily perform the switching operation of the rotational position.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is an explanatory view schematically showing a crescent tablet according to the present embodiment. In FIG. 1, the right side is the indoor side, and the left side is the outdoor side. This crescent tablet includes a crescent portion 1 and seats 2A and 2B. The crescent portion 1 is provided at a side end portion of the indoor sliding door 3, and the seats 2A and 2B include an outdoor sliding door 4 and a screen door 5. Is provided at a position facing the crescent portion 1.
Note that the screen door 5 is arranged further outside the outdoor sliding door 4.

The crescent section 1 has a crescent 6 and a rotating shaft 7. A slide-type shaft hole 6H is formed in the crescent 6, and it is possible to set the position where the rotating shaft 7 penetrates the crescent 6 in two ways. That is, in FIG. 1, the crescent 6 can move between a first rotation position indicated by a solid line and a second rotation position indicated by a two-dot chain line. The switching of the rotation position will be described later in detail.

The crescent 6 is provided with a locking portion 6A formed in an arc shape. When the crescent 6 rotates, the locking portion 6A moves the receiving portion 2A or 2A.
By being locked to B, it is locked. This locking operation will also be described later in detail.

Next, the configuration of the crescent unit 1 will be described in more detail. FIG. 2A is a cross-sectional view showing a schematic configuration of the crescent section 1, and FIG. 2B is a sectional view of FIG.
5 is a bottom view as viewed from the right side of FIG. FIG. 3 is an exploded perspective view showing the crescent portion 1 in an exploded manner.

The crescent part 1 includes a rotating shaft 7, a crescent 6, a ring 8, a pedestal 9, a switching spring 1
0, a contact plate 11 and a retaining ring 12.

As shown in FIG. 3, the rotating shaft 7 is divided into parts such as a knob 7A, a rotating abutment 7B, a shaft 7C, a convex 7D, and a notch 7E. The rotation shaft 7 and the crescent 6 are connected to each other by a rotation contact portion 7B and a slide shaft hole 6H.
Are arranged in such a position as to abut. And the shaft 7
C penetrates the pedestal 9 via the ring 8. The ring 8 is made of resin, and is used to prevent the crescent 6 and the pedestal 9 from rubbing against each other when the crescent 6 rotates, thereby causing damage. The ring 8 also has a lubricating function.

A hitting plate 11 penetrates through the convex portion 7D of the rotating shaft 7, and a retaining ring 12
It is arranged so as to be locked by the notch 7E. That is, the contact plate 11 is prevented from coming off the rotation shaft 7 by the retaining ring 12.

A switching spring 10 is provided between the hitting plate 11 and the pedestal 9. As shown in FIG. 2A, the switching spring 10 is a coil spring having a tapered shape, and is provided so as to exert a force for increasing the interval between the hit plate 11 and the pedestal 9. In other words, a force is always applied to the rotating shaft 7 so as to be drawn inside the pedestal 9.

As shown in FIG. 2B, the hit plate 11 has a hit plate convex portion 11A. Then, in order to limit the rotation range of the rotation shaft 7,
Hit plate contact portions 9A and 9B are formed. Thereby, the movement range of the hit plate convex portion 11A is a range between one hit plate contact portion 9A and the other hit plate contact diagram 9B. In the present embodiment, the rotation range of the rotation shaft 7 is
It is set to approximately 180 °.

The knob 7A has a columnar shape as shown in FIG. 3 and the like. It may be shaped like a letter.

The crescent section 1 having the above-described configuration is installed in the indoor sliding door 3.

Here, the relationship between the shape of the sliding shaft hole 6H in the crescent 6 and the dimensions of the rotating shaft 7 will be described. FIG. 4 is an explanatory view schematically illustrating the relationship between the shape of the slide shaft hole 6H and the dimensions of the rotating shaft 7. As shown in FIG.

The sliding shaft hole 6H is provided with the first shaft hole 6H.
A, a second shaft hole 6HB, and a slide hole (communication hole) 6HC connecting the first shaft hole 6HA and the second shaft hole 6HB.
It is composed of First and second shaft hole portions 6HA
6HB has an arc shape having substantially the same diameter, and the diameter is R1. The slide hole 6HC has a shape that connects the first shaft hole 6HA and the second shaft hole 6HB with a substantially constant width, and the width is R2. Note that R1> R2.

As described above, the rotating shaft 7 is composed of the knob 7A, the rotating contact portion 7B, the shaft 7C, and the like. The diameter of the rotating contact part 7B is r1, and the diameter of the shaft part 7C is r2. Note that r1> r2.

Here, as a specific numerical value, r1 is 10
mm (error range: -0.1 to 0 mm), r2 is 8 mm
(Error range: -0.1 to 0 mm), R1 is 1
R2 is set to about 0.1 mm (error range: 0 to 0.1 mm), and R2 is set to about 8.1 mm (error range: 0 to 0.1 mm). That is, R1 is set to be slightly larger than r1, and R2 is set to be slightly larger than r2.

Therefore, the rotation contact portion 7B can fit into the first shaft hole 6HA and the second shaft hole 6HB, but cannot pass through the slide hole 6HC.
On the other hand, the shaft 7C can pass through the slide hole 6HC.

Based on the relationship between the shape of the slide-type shaft hole 6H and the dimensions of the rotary shaft 7, the following will be described.
The switching operation of the above-described rotation position will be described.

First, the operation of switching the crescent 6 from the first rotation position shown by the solid line to the second rotation position shown by the two-dot chain line in FIG. 1 will be described. Here, when the crescent 6 is in the first rotation position, the position shown in FIG.
When the rotating shaft 7 penetrates the first shaft hole 6HA in the above, when the crescent 6 is in the second rotating position,
It is assumed that the rotating shaft 7 penetrates the second shaft hole 6HB in FIG.

When the crescent 6 is in the first rotation position, the rotation contact portion 7B of the rotation shaft 7 is
In the first shaft hole 6HA. Then, by pulling the knob 7A and pulling out the rotating shaft 7 to the near side in FIG. 1, the rotating contact portion 7B is pulled out from the first shaft hole 6HA. At this time, the first shaft hole 6H
What passes through A is a shaft portion 7C of the rotating shaft 7.

As described above, the shaft portion 7C is thick enough to pass through the slide hole 6HC. Thus, by moving the crescent 6 upward in FIG. 1 while maintaining the state in which the rotating shaft 7 is pulled out, the shaft 7C is moved from the first shaft hole 6HA to the second shaft hole 6HC through the slide hole 6HC. Move to the shaft hole 6HB.

Then, by removing the tensile force applied to the rotating shaft 7, the rotating shaft 7 is pulled toward the inside of the pedestal 9 by the spring force of the switching spring 10, and the rotating contact portion 7B is moved. Fit into the second shaft hole 6HB.

By the above operation, the Crescent 6
Is moved from the first rotation position to the second rotation position. Further, by performing an operation opposite to the above operation, the crescent 6 can be moved from the second rotation position to the first rotation position.

Next, the locking operation performed by the crescent lock according to this embodiment will be described in detail.

First, the indoor sliding door 3, the outdoor sliding door 4,
An operation of locking the crescent 6 by locking the crescent 6 to the receiving seat 2A provided on the outdoor sliding door 4 in a state where the screen doors 5 are all closed will be described. FIG. 7A shows a cross-sectional view of the state in which the indoor sliding door 3, the outdoor sliding door 4, and the screen door 5 are all closed, as viewed from above. The left side is the outdoor direction, and the right side is the indoor direction. ing.

In this case, as shown in FIG. 5A, first, the crescent 6 is arranged at the first rotation position. Then, by rotating the crescent 6 by approximately 180 ° counterclockwise in FIG. 5A, the locking portion 6A of the crescent 6 as shown in FIG.
A is locked. Thereby, the relative position between the indoor sliding door 3 and the outdoor sliding door 4 is fixed, so that the indoor sliding door 3 and the outdoor sliding door 4 cannot be opened from the outdoor side. When the locked state is released, the crescent 6 may be rotated from the indoor side in the opposite direction to the state shown in FIG. 5A.

Next, when the indoor sliding door 3 is closed, the outdoor sliding door 4 is opened, and the screen door 5 is closed, the crescent 6 is locked to the seat 2B provided on the screen door 5. The locking operation will be described below. FIG. 7B shows a state in which the indoor sliding door 3 is closed, the outdoor sliding door 4 is opened, and the screen door 5 is closed.
FIG. 7 shows a cross-sectional view as viewed from above, where the left side is the outdoor direction and the right side is the indoor direction, as in FIG.

In this case, as shown in FIG. 6A, first, the crescent 6 is arranged at the second rotation position. Then, by rotating the crescent 6 counterclockwise in FIG. 6 (a), as shown in FIG. 6 (b),
The locking portion 6A of the crescent 6 is locked to the seat 2B. Thereby, the relative position between the indoor sliding door 3 and the screen door 5 is fixed, so that the indoor sliding door 3 and the screen door 5 cannot be opened from the outdoor side. When the locked state is released, the crescent 6 may be rotated from the indoor side in the opposite direction to the state shown in FIG. 6A.

As described above, the crescent lock according to the present embodiment has a configuration in which the rotational position of the crescent 6 can be switched, so that the seats 2A and 2A arranged on the outdoor sliding door 4 and the screen door 5 are provided. By rotating the crescent 6 at a rotation position corresponding to each seat with respect to 2B, locking can be performed. That is, it is possible to lock both the indoor sliding door and the outdoor sliding door and between the indoor sliding door and the screen door by switching the rotational position of the crescent 6.

When rotating the crescent 6,
The position of the rotating shaft 7 in the axial direction is set so that the rotating contact portion 7B of the rotating shaft 7 and the first shaft hole 6HA or the second shaft hole 6HB of the crescent 6 abut. . When switching the rotating position of the crescent 6, the rotating shaft 7 is pulled out and the shaft portion 7C of the rotating shaft 7 is pulled out.
However, the crescent 6 is moved so as to pass through the slide hole 6HC of the crescent 6. As described above, the crescent lock according to the present embodiment can extremely easily perform the switching operation of the rotation position without requiring a complicated configuration.

In this embodiment, the locking is performed between the indoor sliding door and the outdoor sliding door and between the indoor sliding door and the screen door. However, the present invention is not limited to this. Instead, any type of sliding door may be used.

The pivoting position of the crescent 6 is not limited to two positions as described above, but by providing three or more shaft holes in the slide shaft hole 6H,
It is also possible to adopt a configuration in which three or more rotation positions are provided. In this case, the seats are provided on three or more sliding doors, respectively, and it is possible to lock each door.

[0050]

As described above, the crescent lock according to the first aspect of the present invention includes a crescent portion provided with a rotatable crescent, and a seat for locking the crescent, and rotates the crescent. By doing so, in the crescent lock that switches between a state in which the crescent is locked and locked in a seat and a state in which the crescent is not locked and unlocked, a plurality of the seats are arranged at different positions, The crescent portion is configured to move the rotational position of the crescent to the plurality of positions.
And a rotation position switching means for switching corresponding to each of the seats .

Thus, for example, when the crescent portion is provided on the indoor sliding door and the receiving seat is provided on both the outdoor sliding door and the screen door, the distance between the indoor sliding door and the outdoor sliding door can be reduced.
In addition, by switching the rotational position of the crescent with respect to both between the indoor side sliding door and the screen door, there is an effect that each can be locked.

According to a second aspect of the present invention, the crescent portion further includes a rotation axis serving as a rotation axis of the crescent, and the crescent portion is a locking portion that comes into contact with the receiving seat at the time of locking. And the rotation position switching means switches the distance between the rotation shaft and the locking portion.

Thus, in addition to the effect of the configuration of claim 1, there is an effect that it is possible to lock a plurality of seats each having a different distance from the crescent portion.

According to a third aspect of the invention, there is provided a crescent lock, wherein the rotating position switching means includes a plurality of shaft holes provided in the crescent, the plurality of shaft holes abutting on the rotating shaft when the crescent is rotated. A plurality of shaft holes communicate with each other, and a communication hole having a width smaller than the diameter of the shaft hole is formed, and the rotating shaft has a shaft diameter substantially equal to the diameter of the plurality of shaft holes. And a shaft portion having a shaft diameter smaller than the width of the communication hole, and the rotation shaft is movable in the axial direction.

According to this, in addition to the effect of the configuration of claim 2, it is possible to provide a crescent lock that does not require a complicated configuration and that can extremely easily perform the switching operation of the rotational position. It has the effect of being able to.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram illustrating an outline of a crescent tablet according to an embodiment of the present invention.

FIG. 2A is a cross-sectional view showing a schematic configuration of a crescent portion provided in the crescent tablet, and FIG.
FIG. 5A is a bottom view when FIG.

FIG. 3 is an exploded perspective view showing an exploded schematic configuration of the crescent portion.

FIG. 4 is an explanatory diagram for explaining a relationship between a shape of a slide-type shaft hole provided in a crescent provided in the crescent portion and a shape of a rotating shaft provided in the crescent portion.

FIGS. 5A and 5B are explanatory views showing the operation of a crescent when locking is performed between an indoor sliding door and an outdoor sliding door.

FIGS. 6A and 6B are explanatory views showing the operation of the crescent when locking is performed between the indoor sliding door and the screen door.

FIG. 7A shows an indoor sliding door, an outdoor sliding door,
FIG. 2B is a cross-sectional view of the state in which the screen doors are all closed, as viewed from above. FIG. 2B is a state in which the indoor sliding door is closed, the outdoor sliding door is open, and the screen door is closed. FIG. 3 is a cross-sectional view of these components when viewed from above when they are in a state of being folded.

FIGS. 8A and 8B are explanatory diagrams showing the operation of a conventional crescent tablet.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Crescent part 2A, 2B seat 3 Indoor sliding door 4 Outdoor sliding door 5 Screen door 6 Crescent 6A Locking part 6H Sliding shaft hole 6HA / 6HB First and second shaft hole 6HC Sliding hole (communication hole) 7 Rotating shaft 7B Shaft hole contact part 7C Shaft part

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁷ , DB name) E05C 3/04 E05B 65/08 E05C 1/04

Claims (4)

(57) [Claims] 1. A crescent part having a rotatable crescent, and a seat for locking the crescent, and by rotating the crescent, the crescent is locked and locked by the seat. and a state that, in Kurisento tablets and a state that is not locked without being locked, the seat is more arranged at different positions, the Kurisento section, the pivoting position of the Kurisento
A crescent lock characterized by comprising a rotation position switching means for switching corresponding to each of a plurality of seats. 2. The crescent portion further includes a rotation axis serving as a rotation axis of the crescent, and the crescent includes:
2. The crescent lock according to claim 1, further comprising: a locking portion that comes into contact with the seat at the time of locking, and wherein the rotation position switching means switches a distance between the rotation shaft and the locking portion. 3. The rotating position switching means communicates a plurality of shaft holes provided on the crescent, which contact the rotating shaft when the crescent is rotated, and the plurality of shaft holes. A communication hole having a width smaller than a diameter of the shaft hole, the rotation shaft having a shaft diameter substantially equal to the diameter of the plurality of shaft holes, and a rotation contact portion; A shaft having a shaft diameter smaller than the width of the communication hole,
3. The crescent lock according to claim 2, wherein the rotating shaft is movable in the axial direction. 4. At least one of the plurality of seats is
4. The device according to claim 1, wherein the device is disposed on a screen door.
The crescent tablet according to any one of the above.