JP2004323222A - Door device of elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door device of an elevator capable of increasing smoke shielding property and sound isolating property. <P>SOLUTION: A shielding member 8 shielding a clearance between the lower end part of a door body 1 and a sill 7 by coming into contact with the upper surface of the sill 7 on the platform side of a sill groove 7a is fitted to the lower end part of the door body 1. The shielding member 8 extends along the lateral direction of the door body 1, and fixed, together with a door leg 5, to a reinforcement member 4 with screws 6. The shielding member 8 is formed of a material such as a rubber and slides on the sill 7 according to the opening/closing operations of the door body 1. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an elevator door device having a door body for opening and closing a landing entrance or a car entrance.
[0002]
[Prior art]
BACKGROUND ART Conventionally, there has been proposed a smoke shielding structure for preventing smoke generated by a fire from entering a hoistway from a gap between a lower end of a landing door and a threshold. In this smoke shielding structure, a lower smoke shielding plate is fixed to a lower end of a landing door together with a leg of the door (for example, see Patent Document 1).
[0003]
[Patent Document 1]
Japanese Patent Laid-Open Publication No. Hei 8-165081
[Problems to be solved by the invention]
In the conventional smoke-blocking structure as described above, although the gap between the lower end of the landing door and the threshold is closed when viewed from the front, the smoke turns around from the gap between the door leg and the threshold groove. There was a risk of getting into the hoistway side. Also, noise generated in the hoistway may be transmitted to the hall or the cab through a slight gap between the door leg and the sill.
[0005]
The present invention has been made to solve the above problems, and an object of the present invention is to provide an elevator door device capable of improving smoke and sound insulation.
[0006]
[Means for Solving the Problems]
The elevator door device according to the present invention includes a shielding member that shields a gap between the lower end portion of the door body and the floor portion by contacting the floor portion on the landing side of the sill groove into which the legs of the door are inserted. It is provided at the lower end of the door body.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
Embodiment 1 FIG.
FIG. 1 is a sectional view of a main part of an elevator door device according to Embodiment 1 of the present invention. In the figure, a door body 1 that opens and closes a landing entrance has a door panel 2 formed by bending a steel plate, and a steel reinforcing member 4 bonded and fixed to the back surface of the door panel 2 with an adhesive 3. . A plurality of door legs 5 are attached to the lower end of the door body 1 at intervals in the width direction of the door body 1. The legs 5 of each door are fixed to the reinforcing member 4 by screws 6.
[0008]
A threshold 7 is fixed to the floor of the landing. The sill 7 has a sill groove 7a into which the lower end of the leg 5 of the door is inserted. The door leg 5 is slid along the sill groove 7a as the door body 1 opens and closes.
[0009]
At the lower end of the door body 1, a shielding member 8 that contacts the upper surface of the sill 7 to shield the gap between the lower end of the door body 1 and the sill 7 is provided. The shielding member 8 extends along the width direction of the door main body 1 and is fixed to the reinforcing member 4 by screws 6 together with the legs 5 of the door. The shielding member 8 is made of a flexible and elastic material such as rubber, and slides on the sill 7 as the door body 1 opens and closes.
[0010]
Further, the shielding member 8 includes a contact portion 8a which is located at a lower end portion and airtightly contacts the upper surface of the sill 7, and a curved portion 8b having an arc-shaped cross section having an elastic restoring force to press the contact portion 8a against the upper surface of the sill 7. And a mounting portion 8c mounted on the reinforcing member 4. Since the curved portion 8b is curved toward the landing, the contact portion 8a comes into contact with the threshold 7 on the landing side more than the threshold groove 7a.
[0011]
In such an elevator door apparatus, the door body 1 is provided with a shielding member 8 that contacts the upper surface of the sill 7 on the landing side with respect to the sill groove 7a, thereby shielding the gap between the lower end of the door body 1 and the sill 7. Attached to the lower end of the door main body, it is possible to more reliably close the gap between the lower end of the door main body 1 and the threshold 7 when the door main body 1 is closed, and to improve the smoke and sound insulation properties. Can be.
[0012]
Further, since the shielding member 8 is in contact with the sill 7 on the landing side more than the sill groove 7a, it is possible to prevent the smoke from entering the inside of the door panel 2, and the smoke passes through the inside of the door panel 2. It can also be prevented from entering the hoistway side. Further, the damage and wear of the shielding member 8 and the mounting state can be easily checked from the landing side, and the workability at the time of maintenance and mounting can be improved.
Furthermore, since the contact portion 8a is pressed against the upper surface of the sill 7 by the restoring force of the curved portion 8b, it is possible to further improve the smoke shielding property and the sound shielding property.
[0013]
Embodiment 2 FIG.
Next, FIG. 2 is a sectional view of a main part of an elevator door device according to a second embodiment of the present invention. In the figure, a shielding member 9 is provided at the lower end of the door body 1 to contact the upper surface of the sill 7 to shield the gap between the lower end of the door body 1 and the sill 7. The shielding member 9 extends along the width direction of the door main body 1 and is sandwiched and fixed between the lower end of the door panel 2 and the lower end of the reinforcing member 4 that are bent horizontally. The shielding member 9 is made of a flexible and elastic material such as rubber, and slides on the sill 7 as the door body 1 opens and closes.
[0014]
Further, the shielding member 9 includes a contact portion 9a located at the lower end and in airtight contact with the upper surface of the sill 7, and a curved portion 9b having an arc-shaped cross section having an elastic restoring force to press the contact portion 9a against the upper surface of the sill 7. And a mounting portion 9c sandwiched between the door panel 2 and the reinforcing member 4. Since the curved portion 9b is curved toward the landing, the contact portion 9a comes into contact with the threshold 7 on the landing side relative to the threshold groove 7a. Other configurations are the same as in the first embodiment.
[0015]
Although the shielding member 9 according to the second embodiment has a different mounting structure from the shielding member 8 of the first embodiment, the same effect as that of the first embodiment can be obtained by such a shielding member 9.
[0016]
Embodiment 3 FIG.
Next, FIG. 3 is a sectional view of an essential part of an elevator door device according to Embodiment 3 of the present invention. In the figure, on the upper surface of the sill 7, a shielding member insertion groove 7b is provided which extends in parallel with the sill groove 7a and into which a contact portion (lower end) 8a of the shielding member 8 is inserted. The depth dimension of the shielding member insertion groove 7b is sufficiently smaller than the depth dimension of the threshold groove 7a. When the door body 1 is opened and closed, the contact portion 8a slides in the shielding member insertion groove 7b. Other configurations are the same as in the first embodiment.
[0017]
By providing such a shielding member insertion groove 7b in the sill 7, it is possible to prevent displacement of the shielding member 8 due to wind pressure or mischief from the landing side and the hoistway side. In addition, the engagement of the contact portion 8a with the shielding member insertion groove 7b can prevent the shielding member 8 itself from warping to some extent. Therefore, excellent smoke and sound insulation properties can be stably maintained over a long period of time. In addition, since the shielding member 8 slides only along the shielding member insertion groove 7b, it is possible to prevent a decrease in design due to a difference in gloss on the upper surface of the sill 7 between a contact portion with the shielding member 8 and a non-contact portion. You can also.
[0018]
Embodiment 4 FIG.
Next, FIG. 4 is a sectional view of an essential part of an elevator door device according to a fourth embodiment of the present invention, and FIG. 5 is a sectional view taken along line VV of FIG. In the figure, a brush (flocked member) 11 for preventing foreign matter (for example, dust or dirt) from entering near the contact portion 8a of the shielding member 8 is provided at a lower end portion of the door body 1. The brush 11 is disposed so as to surround the landing-side front surface of the shielding member 8, the door open end, and the door closed end. Other configurations are the same as in the first embodiment.
[0019]
By providing such a brush 11, it is possible to prevent the shielding member 8 from coming into contact with or sliding on the foreign matter, to prevent the deterioration of the shielding member 8, and to extend the life of the shielding member 8. Can be achieved.
[0020]
Embodiment 5 FIG.
Next, FIG. 6 is an exploded perspective view showing a main part of an elevator door device according to Embodiment 5 of the present invention. At the lower end of the door body 1, a shielding member 13 is provided that contacts the upper surface of the sill 7 on the landing side of the sill groove 7 a to shield a gap between the lower end of the door body 1 and the sill 7. I have. The shielding member 13 extends along the width direction of the door body 1 and is attached to the reinforcing member 4 separately from the legs 5 of the door. That is, the shielding member 13 can be removed from the door main body 1 while the legs 5 of the door remain attached to the door main body 1. Other configurations are the same as in the first embodiment.
[0021]
In this manner, by attaching the shielding member 13 to the door body 1 separately from the door leg 5, the replacement operation of the shielding member 13 can be performed without removing the door leg 5, and the position of the door leg 5 can be adjusted. The labor for readjustment can be omitted, and the work of replacing the shielding member 13 can be performed efficiently in a short time.
[0022]
In the first to fifth embodiments, the landing-side door device has been described. However, the present invention can also be applied to a car-side door device, and can improve sound insulation and smoke insulation. In this case, the shielding member may be brought into contact with the floor on the side closer to the inside of the car than the threshold groove of the car. That is, the landing side in FIGS. 1 to 6 may be viewed as the car room interior side.
Further, the shielding member may be a single member over the entire width of the door main body as in Embodiment 5, or may be a member divided into a plurality of members in the width direction of the door main body.
Further, in the first to fifth embodiments, the case where the sill is provided on the floor portion has been described. it can.
Furthermore, the sectional shape of the shielding member, the method of attaching the shielding member to the door body, and the like are not limited to Embodiments 1 to 5.
Further, the present invention can be applied to a center opening type door device and a single opening type door device, and can be applied to a single door device and a door device having a plurality of doors.
[0023]
【The invention's effect】
As described above, the elevator door device of the present invention reduces the gap between the lower end of the door body and the floor by contacting the floor on the landing side of the sill where the legs of the door are inserted. Since the shielding member for shielding is provided at the lower end portion of the door main body, the smoke shielding property and the sound shielding property can be improved.
[Brief description of the drawings]
FIG. 1 is a sectional view of a main part of an elevator door device according to Embodiment 1 of the present invention.
FIG. 2 is a sectional view of an essential part of an elevator door device according to a second embodiment of the present invention.
FIG. 3 is a sectional view of an essential part of an elevator door device according to Embodiment 3 of the present invention.
FIG. 4 is a sectional view of an essential part of an elevator door device according to Embodiment 4 of the present invention.
FIG. 5 is a sectional view taken along the line VV of FIG. 4;
FIG. 6 is an exploded perspective view showing a main part of an elevator door device according to Embodiment 5 of the present invention.
[Explanation of symbols]
1 door body, 5 legs, 7 threshold, 7a threshold groove, 7b shielding member insertion groove, 8, 9, 13 shielding member, 11 brush.

Claims (5)

Door body that opens and closes the landing entrance,
A door leg provided at a lower end portion of the door body, and a door provided at a lower end portion of the door body, which comes into contact with a floor portion at a landing side from a sill groove into which the leg of the door is inserted. An elevator door device comprising a shielding member for shielding a gap between a lower end portion of a main body and the floor portion. Door body that opens and closes the car entrance,
The legs of the door provided at the lower end of the door body, and the lower end of the door body, by contacting the floor on the car interior side of the sill groove into which the legs of the door are inserted An elevator door device comprising a shielding member that shields a gap between a lower end of the door body and the floor. A sill having the sill groove is provided on the floor, and a shielding member insertion groove is provided on an upper surface of the sill and extends in parallel with the sill groove and a lower end of the shielding member is inserted. The elevator door device according to claim 1 or 2, wherein the elevator door device is provided. The elevator door device according to any one of claims 1 to 3, further comprising a brush provided at a lower end portion of the door main body to prevent foreign matter from entering near the shielding member. . The elevator according to any one of claims 1 to 4, wherein the shielding member is detachable from the door main body while the legs of the door remain attached to the door main body. Door device.

Images