JP3217503U - Double door opening device - Google Patents

Abstract

A door opening device capable of simultaneously opening a double door from the outside is provided.
A double door provided at an entrance of a building room is an internal opening that opens toward the inside of the room, and an opening device 10 for opening the double door from the outside. The opening device 10 is disposed above the opening / closing handle 52k of the middle door located outside, the shaft portion 12 penetrating the middle door, the operating rod 11 located at the outer end portion of the shaft portion 12, and the shaft And an operating rod 13 located at the inner end of the portion 12. The operating rod 11 is arranged at a substantially right angle with the shaft portion 12, and the operating rod 13 is also arranged at a substantially right angle with the shaft portion 12. By rotating the operating rod 11, the operating rod 13 is also rotated in the same direction. Move. When the operating rod 11 is rotated, the operating rod 13 is also rotated, and the inner door opening / closing handle 53n is simultaneously rotated to release the latch of the inner door opening / closing handle 53n. The inner door is opened inward at the same time as the inner door is opened inward.
[Selection] Figure 2

Description

  The present invention relates to a double door opening device such as a soundproof room of a building.

As shown in the following patent document, the applicant of the present application has previously obtained a patent right for “a construction method of a soundproof room and a soundproof material constituting unit”.
An object of the patent right is to provide a method for refurbishing a room of an existing building into a soundproof room and a constituent unit thereof.

In the configuration, wall materials and ceiling materials for constructing the walls and ceiling of the soundproof room are unitized, and these wall material units and ceiling material units are formed from the soundproof material constituting units.
This soundproofing material constituting unit is arranged on a rectangular frame composed of upper and lower horizontal frames and left and right vertical frames, one or more intermediate columns arranged in the middle portion in the vertical direction, and a rear side inside the frame. And a sound absorbing plate-like body provided.

  A plurality of these soundproofing material constituent units are arranged and fixed on a wall surface of a room of a building at a predetermined interval, and then a soundproofing material constituting unit for forming a ceiling surface is provided on these soundproofing material constituting units. Then, a sound absorbing plate having slits and / or holes formed therein is fitted into and fixed to the wall surface and ceiling surface where the soundproof material constituting unit is disposed, and then the sound absorbing plate is placed on the surface side of the sound absorbing plate. The soundproof chamber is formed by fitting and fixing the shaped body.

Japanese Patent No. 6271797

In the above construction method, the door of the soundproof room is formed as a double door in order not to deteriorate the soundproof performance.
In the above construction method, in order to renovate the interior of an existing room and additionally form a soundproof room later, if the original door of the room is included, the entrance is a triple door.

  So, when you go out from the inside of the room, this triple door can be opened to the outside with the inner door, the middle door, and the outer door in order, but conversely, from the outside There are problems when entering the room.

FIG. 1 is an explanatory diagram for explaining this situation.
An outer door 51 is provided at the entrance of the outer wall 50 of the existing room so as to open to the outside.
When this existing room is renovated as a soundproof room, the soundproof wall 56 of the soundproof room is provided inside the existing outer wall 50 with a predetermined interval 55 maintained.
At the entrance of the soundproof wall 56 of the soundproof room, a double door including an inner door 52 and an inner door 53 inside thereof is provided.

The middle door 52 and the inner door 53 are formed so as to be opened inward as shown in the figure.
This is because when the human being inside goes out, it is not possible to go out of the triple door without such a configuration.

This is because if the inner door 53 and the inner door 52 are both opened outward, the inner door 53 and the inner door 52 cannot be opened outward when the outer door 51 is closed.
On the other hand, even if only the inner door 53 is opened inward and the inner door 52 is opened outward, the same thing can be said. In the state where the outer door 51 is closed, the inner door 52 cannot be opened.

Therefore, in order to allow a person to be inside the soundproof room and to go outside, it is necessary to form both the inner door 53 and the inner door 52 so as to be opened inward.
Then, this time, a problem occurs when entering the soundproof room from the outside.
That is, when a person enters the soundproof room from the outside with the outer door 51, the middle door 52, and the inner door 53 being the triple doors closed, the outer door 51 can be opened first, but the next middle door 52 cannot be opened.

That is, if the inner door 52 is to be released toward the inside of the room, there arises a problem that the inner door 52 cannot be opened if the inner door 53 is in a closed state.
The subject of the present invention is to create a door opening device for solving this problem.

  In the middle door 52 and the inner door 53, a hinge portion is provided on the right side of the door, and the opening / closing handles 52n, 53n are rotated in the right direction when viewed from the outside of the door, and the door frame. The hinge part may be provided on the left side of the door. In this case, the opening / closing handles 52n and 53n are rotated leftward as viewed from the outside of the door. Thus, the latch with the door frame is released.

  However, the rotation direction for releasing the latch with the door frame of the opening / closing handle may be set by freely selecting the rotation in the right direction or the left direction as appropriate depending on the structure of the opening / closing handle. Is possible.

In order to solve the above problems, the first of the present invention is an internal opening in which double doors provided at the entrance of a building room both open toward the inside of the room. An opening device for opening from the outside, wherein the opening device is disposed above a handle for opening and closing the middle door located outside, and the opening device includes a shaft portion penetrating the middle door, An operating rod positioned at the outer end of the shaft portion and an operating rod positioned at the inner end of the shaft portion, the operating rod is disposed substantially at right angles to the shaft portion, and the operating rod is also connected to the shaft portion. Arranged at substantially right angles, the operating rod also rotates in the same direction by rotating the operating rod, and the operating rod also moves to the right or left by rotating the operating rod to the right or left. Rotate and rotate the inner door opening / closing handle at the same time to the right or left at the same time. The double door opening device is characterized in that the latch of the opening and closing handle is released and the inner door is opened inward while the inner door is also opened inward.
Here, “to rotate rightward or leftward” means “rightward or leftward when viewed from the outside of the door” (the same applies hereinafter).

  The second one of the present invention is an internal opening in which double doors provided at the entrance of a building room both open toward the inside of the room, and an open door for opening the double door from the outside. The door opening device is disposed below the opening / closing handle of the middle door located outside, and the door opening device is located at the shaft portion that penetrates the middle door and the outer end portion of the shaft portion. And an operating rod positioned at an inner end of the shaft portion, the operating rod is disposed substantially at right angles to the shaft portion, and the operating rod is also disposed at substantially right angles to the shaft portion, The operating rod also rotates in the same direction by rotating the rod, and the operating rod also rotates left or right by rotating the operating rod leftward or rightward, and is positioned inside. Rotate the inner door opening / closing handle simultaneously to the left or right to unlock the inner door opening / closing handle. A door opening device of the double door, characterized in that it is opened the in door inside the inner door and at the same time open to the inside.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, a rotation blocking means for blocking the rotation of the operating rod is provided on the outer surface of the inner door in the vicinity of the operating rod. This is a feature of a double door opening device.

  According to a fourth aspect of the present invention, there is provided the double door opening device according to the third aspect, wherein the rotation preventing means is provided in the vicinity of a tip end portion of the operating rod.

  In the first aspect of the present invention, the double doors provided at the entrance and exit of the building room are both internal openings that open toward the inside of the room, and the double doors are opened to open from the outside. The door device is arranged above a handle for opening and closing the middle door located on the outside, and the door opening device includes a shaft portion that penetrates the middle door, an operation rod that is located on an outer end portion of the shaft portion, and a shaft. An operating rod located at the inner end of the portion, the operating rod is disposed at a substantially right angle to the shaft portion, and the operating rod is also disposed at a substantially right angle to the shaft portion to rotate the operating rod. To rotate the operating rod in the same direction, and to rotate the operating rod in the right or left direction, the operating rod also rotates in the right or left direction, for opening and closing the inner door located inside. The inner door is unlocked by simultaneously rotating the handle to the right or left to release the handle for opening and closing the inner door. It said door and at the same time open to the inside is also to be be opened inwardly.

That is, when both the double doors are opened inward, the handle for opening and closing the middle door located on the outside is rotated to release the latch with the door frame, and the operation lever of the door opening device is By rotating in the right direction or the left direction, the handle for opening and closing the inner door is rotated by the actuating lever so that the inner door is opened.
In addition, as described above, regarding the point that the rotation direction of the operation rod is rotated to the right or left, because both the case where the hinge part of the middle door and the inner door is on the right side and the case on the left side are considered. Yes (the same shall apply hereinafter).

The second device of the present invention exhibits the same effect as the first device, but the mounting position of the door opening device is different from that of the first device.
That is, in the second device, the door opening device is positioned below the opening / closing handle of the inner door, and the operation lever of the door opening device is rotated leftward or rightward to rotate the inner door. The opening / closing handle is simultaneously rotated leftward or rightward so that the latching of the inner door with the door frame is released and the inner door can be opened.

According to a third aspect of the present invention, the middle door is provided with a rotation preventing means capable of preventing the operation lever of the door opening device from rotating.
The rotation preventing means is configured to prevent the operating rod from being inadvertently rotated, and the operating rod is provided with a locking means.

In the fourth aspect of the present invention, the rotation preventing means is limited to be provided in the vicinity of the distal end portion of the operating rod.
Various types of locking means as the rotation preventing means are assumed, and the mounting position can be provided in the vicinity of the operating rod, but it is specified that the position is provided in the vicinity of the tip of the operating rod. It is a thing.

It is explanatory drawing regarding the triple door containing the double door to which the door opening apparatus which concerns on this invention is applied. It is a conceptual explanatory drawing of the door opening apparatus which concerns on this invention, Comprising: It is a see-through | perspective conceptual diagram of the principal part seen from the inner side of the inner door. It is a conceptual explanatory drawing of the door opening apparatus which concerns on the said invention, Comprising: It is principal part side explanatory drawing of an inner door and a middle door. It is explanatory drawing which shows the rotation prevention means of the door opening apparatus which concerns on this invention. It is principal part expansion explanatory drawing of the door opening apparatus shown in FIG.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is an explanatory diagram relating to a triple door including a double door to which a door opening device according to the present invention is applied.
As already explained above, the door opening device according to the present invention is applied to the double door of the middle door 52 and the inner door 53 located inside the triple door as shown in this figure.

The middle door 52 and the inner door 53 are respectively provided with opening / closing handles 52n and 53n that can open and close the door.
These opening / closing handles 52n and 53n are of the same type as those provided in conventional doors, and the opening / closing handles 52n and 53n are rotated to be locked to the door frame. The middle door 52 and the inner door 53 are opened and closed.

  The opening / closing handles 52n and 53n shown in FIG. 1 are arranged vertically as shown in FIG. 2, and the opening / closing handle 53n of the inner door 53 is placed on the opening / closing handle 52n of the middle door 52. In order to avoid complication, the illustration of the rotation preventing means as the locking means described later is omitted.

  In FIG. 1, the opening / closing handles 52n and 53n between the inner door 52 and the inner door 53 are arranged in a row in the vertical direction, but the lower opening / closing handles 52n are slightly opened for easy understanding. It is drawn in a shifted state. Actually, the lower opening / closing handle 52n is hidden when viewed from above.

Further, in FIG. 1, the hinge doors 52t and 53t of both the middle door 52 and the inner door 53 are provided on the right side (viewed from the outside) of the door, and the opening / closing handle located on the left side of the door. By rotating 52n and 53n in the right direction, the latch with the door frame is released and the door can be pushed open.
On the other hand, when the hinge portions of the middle door 52 and the inner door 53 are provided on the left side of the door, the opening / closing handles are respectively provided on the right side of the door, and these opening / closing handles are rotated in the left direction. By moving, the latch with the door frame is released.
The structure of these doors is the same as that of a conventional inwardly opening door.

  As described above, the position of the hinge part of the inner door 52 and the inner door 53 is provided on either the left or right side, but FIG. 1 illustrates an example in which the hinge part is provided on the right side. When the hinge is provided on the left side, the structure of the door and the opening / closing handle is the same, only the left and right turning directions are reversed.

However, with regard to the opening / closing handle, whether the hinge part of the door to which the handle is attached is provided on the right side or the left side, the rotation direction of the handle is either right or left depending on the shape of the handle. You can also
In short, with regard to the door opening / closing handle, whether the hinge part of the door is provided on the right side or the left side, by rotating the handle in either the right or left direction, It can be designed so that the latch can be released.

FIG. 2 is a conceptual explanatory diagram of the door opening device according to the present invention, and is a perspective conceptual diagram of the main part viewed from the inside of the inner door.
FIG. 3 is a conceptual explanatory view of the door opening apparatus according to the present invention, and is a side explanatory view of the main part of the inner door and the inner door.

An opening / closing handle 52 n is provided on the left edge of the middle door 52.
An opening / closing handle 53 n is provided on the left edge of the inner door 53.
As can be seen from FIG. 2, when the opening / closing handle 52n is turned leftward (rightward in FIG. 2) as viewed from the outside, the latching of the latching portion 52k from the door frame is released.
On the other hand, as shown in FIG. 2, when the opening / closing handle 53n is rotated rightward (leftward in FIG. 2) as viewed from the outside, the latching portion 53k is unlocked from the door frame.

The opening / closing handles 53n are located just above the opening / closing handles 52n, and are arranged in a row vertically.
“Directly above” means that the rotation shaft portion 53j of the opening / closing handle 53n is positioned directly above the rotation shaft portion 52j of the opening / closing handle 52n.

  The door opening device 10 according to the present invention includes an operating rod 11 positioned on the outer surface of the middle door 52, a rotating shaft portion 12 provided at a base end portion of the operating rod 11, and an inner side of the rotating shaft portion 12. The rotary shaft portion 12 is provided so as to penetrate the inner door 52.

Further, the rotation shaft portion 12 of the door opening device 10 is disposed directly above the rotation shaft portion 52j of the opening / closing handle 52n provided in the middle door 52.
The operating rod 11 provided at the outer end portion of the rotating shaft portion 12 is provided at a substantially right angle to the rotating shaft portion 12. Similarly, the operating rod 11 is provided at the inner end portion of the rotating shaft portion 12. Is also provided substantially at right angles to the pivot shaft 12.

As can be seen from FIG. 2, the operating rod 11 and the operating rod 13 are provided with a slight inclination in the right direction when viewed from the outside, but can also be provided substantially in parallel in the same direction.
When the operating rod 11 is rotated in the right direction when viewed from the outside, the operating rod 13 is also rotated in the right direction when viewed from the outside.

  The operating rod 13 of the door opening device 10 is arranged along an opening / closing handle 53n provided on the inner door 53, and when the operating rod 13 is rotated rightward when viewed from the outside, the opening / closing door is opened. The handle 53n also rotates from the outside (leftward in FIG. 2), and the latch with the door frame is released.

  With the above configuration, when the operating rod 11 of the door opening device 10 of the middle door 52 is rotated to the right, the opening / closing handle 53n of the inner door 53 is also rotated to the right to open / close the opening / closing handle 53n of the inner door 53. , And the inner door 53 can be opened. In this state, the opening / closing handle 52n of the middle door 52 is rotated to the right to engage with the door frame. The stop is also released, and the inner door 52 and the inner door 53 are simultaneously opened inward.

FIG. 4 is an explanatory view showing rotation preventing means of the door opening device according to the present invention.
FIG. 5 is an enlarged explanatory view of a main part of FIG.
As described above, the rotation prevention means of the door opening device 10 according to the present invention is composed of the rotation prevention member 20 disposed at the upper end portion of the operation rod 11 of the door opening device 10.

The rotation prevention member 20 is formed of a substantially U-shaped cross section, and is pivotally attached to the attachment portion 21 fixed to the left edge portion of the inner door 52.
The attachment portion 21 also has a substantially U-shaped cross section, and is fixed to the left edge portion of the inner door 52.

  As shown in FIG. 4, the operation rod 11 of the door opening device 10 is arranged at a vertical position in the form of one letter in the vertical direction, and the tip portion that is the upper part thereof is arranged at the position of the mounting portion 21 to By disposing between the both leg portions 22, 22, the operation rod 11 is prevented from rotating.

  Again, specifically, the rotation preventing member 20 is rotated upward on the near side with the pivoted portion as a center, and the distal end portion 11s of the operating rod 11 is disposed between the both leg portions 22, 22, By returning the both leg portions of the rotation preventing member 20 to the original position, the distal end portion 11s of the operating rod 11 is fixed and locked. Thereby, the rotation of the operating rod 11 is prevented.

The said rotation prevention member 20 is an example, and the thing of various structures can be considered for the locking means which prevents rotation of the operating rod 11.
This rotation prevention means can also be provided in the upper and lower intermediate part of the operation rod 11, and can be implemented by providing a substantially U-shaped cross section in a rotatable manner.

As mentioned above, although embodiment of this invention was described, various designs can be changed about the form as follows.
Various types of opening / closing handles provided on the door can be considered. In the structure shown in FIG. 2, a protrusion is provided on the other end of the shaft portion of the proximal end of the opening / closing handle. The projection is also rotated by rotating the opening / closing handle, and the latch with the door frame is released. The opening / closing handle rotates the opening / closing handle. Therefore, the protrusions hooked on the door frame may be retracted into the door, and the latter is the one shown in FIG.

In addition, the opening / closing handle is provided with a spring bias so that it always returns to the latching position with the door frame, and the inner door is always biased in the direction in which the inner door is closed by the door frame. Force means are provided. This configuration is exactly the same as a conventional door configuration.
As the operating rod for the rotation preventing member, a plate-like body that is long in the vertical direction is used, but its length and width can be freely set.

Finally, the opening / closing prevention member can be provided below the opening / closing handle of the middle door in the opposite direction to the above embodiment.
At this time, the opening / closing handle of the inner door needs to be disposed below the opening / closing handle of the middle door, and is formed at an upside down position.

  As described above, the present invention has an extremely simple configuration, and the inner door of the double door can be released from the outside of the middle door by rotating the operating rod of the door opening device. It was possible to provide a door that can be opened from the outside by rotating the opening / closing handle to release the latch with the door frame and simultaneously opening the double door including the inner door and the inner door.

DESCRIPTION OF SYMBOLS 10 Opening device 11 Operation rod 11s Tip part 12 Rotating shaft part 13 Actuation rod 20 Rotation prevention member 21 Mounting part 22 Leg part 51 Outer door 52 Middle door 52n, 53n Opening / closing handle 52j, 53j Rotating shaft part 52t, 53t Hinge part 52k, 53k Hanging part 53 Inner door

Claims (4)

A double door provided at the entrance of a building room is an internal opening that opens toward the inside of the room, and is a door opening device for opening the double door from the outside,
The door opening device is arranged above the handle for opening and closing the middle door located outside,
The door opening device includes a shaft portion penetrating the inner door, an operating rod positioned at an outer end portion of the shaft portion, and an operating rod positioned at an inner end portion of the shaft portion,
The operating rod is disposed at a substantially right angle with the shaft portion, the operating rod is also disposed at a substantially right angle with the shaft portion, and the operating rod is also rotated in the same direction by rotating the operating rod.
By rotating the operating rod in the right or left direction, the operating rod also rotates in the right or left direction, and the opening / closing handle for the inner door located inside is simultaneously rotated in the right or left direction. The double door opening device is characterized in that the latch for opening and closing the inner door is released, and the inner door is opened inward at the same time as the inner door is opened inward. A double door provided at the entrance of a building room is an internal opening that opens toward the inside of the room, and is a door opening device for opening the double door from the outside,
The door opening device is disposed below the opening / closing handle of the middle door located outside,
The door opening device includes a shaft portion penetrating the inner door, an operating rod positioned at an outer end portion of the shaft portion, and an operating rod positioned at an inner end portion of the shaft portion,
The operating rod is disposed at a substantially right angle with the shaft portion, the operating rod is also disposed at a substantially right angle with the shaft portion, and the operating rod is also rotated in the same direction by rotating the operating rod.
By rotating the operating rod leftward or rightward, the operating rod also rotates leftward or rightward, and the inner door opening / closing handle located inside is simultaneously rotated leftward or rightward. The double door opening device is characterized in that the latch for opening and closing the inner door is released, and the inner door is opened inward at the same time as the inner door is opened inward.   The double door opening device according to claim 1 or 2, characterized in that a rotation blocking means for blocking the rotation of the operating rod is provided in the vicinity of the operating rod on the outer surface of the middle door.   4. The double door opening device according to claim 3, wherein the rotation preventing means is provided in the vicinity of the tip of the operating rod.