JP2008202257A - Smoke shielding structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a smoke shielding seal member that can be flexibly brought into close contact with an object member such as a door or a frame when mounted and does not interfere with the movement of the door while the replacement time of the smoke shielding seal member can be determined at a glance. <P>SOLUTION: The seal member blocks a clearance between the door and a frame body of an elevator to shield smoke, wherein at least a contact part with the frame body is formed by laminating members of different colors. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a smoke shielding member for shielding smoke in an elevator door gap and a method for manufacturing the same.

Since a gap is generated between the elevator mounting frame and the elevator door, and smoke enters from this gap when a fire breaks out, a sealing member is attached to the elevator door to close this gap, and this gap is blocked. Has been done.
As such an example, there is a structure in which an upper frame cross-sectional U-shaped smoke shielding member is fixed, and an upper seal member subjected to fluorine coating or molybdenum dioxide coating to be in contact with the smoke shielding member is fixed ( For example, see Patent Document 1).
Further, as a shape of the seal member, one formed in a substantially wedge shape whose width becomes narrower toward the end portion has been proposed (see, for example, Patent Document 2).

JP-A-2005-15157 JP 2006-62788 A

However, it is necessary to replace any of the above-described smoke shielding seal members when the seal members are worn, but in order to determine the replacement timing, an operator visually determines the degree of wear of the seal members. I had no choice but to judge when to replace it.
For this reason, there is a problem in that the worker has variations in the replacement time or misses the replacement time, and the seal member having a reduced smoke shielding performance is left as it is, so that safety is not ensured.

In addition, in the conventional method of attaching a smoke shielding seal member, a plate-like seal member is sandwiched and attached to the end of the door, or attached with a screw or the like, but depending on the installation location of the elevator, etc. It is necessary to improve the hermeticity by adjusting the size of the gap between the elevator door and the frame and the angle at which the smoke shielding seal contacts, but such adjustment cannot be made.
In the case of a plate-shaped seal member, if the tip of the contact is square, depending on the contact angle, the line contact does not result in a decrease in confidentiality, or surface contact causes friction. There was a problem that the force increased and hindered the running of the door.

The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a smoke shielding seal member that can determine at a glance the replacement time of the seal member.
In addition, another object of the present invention is for smoke shielding, in which a seal member can be flexibly adhered to a mating member such as a door or a frame, and the seal member does not interfere with the running of the door. An object is to provide a sealing member.

  A smoke shielding seal member according to one aspect of the present invention is a smoke shielding seal member that blocks a gap between an elevator door and a contact portion of the door, and the seal member includes at least a tip portion thereof. Is formed by laminating members having different colors.

  The contact portion may be formed by being laminated by coating a plurality of color members.

  The coating may be a coating material containing urethane.

  The seal member is attached via a holding material, and the holding material has a circular cross-sectional groove for holding the seal member, and the base end of the seal member on the door mounting side May be formed in a circular cross section, and the base short portion may be inserted into the groove of the holding material and attached rotatably.

  The tip of the contact portion of the seal member may be formed in a circular cross section.

  A method for manufacturing a smoke shielding seal member according to one aspect of the present invention is a method for producing a smoke shielding seal member for closing and sealing a gap between an elevator door and a contact portion of the door. A masking member that shields the coating material with a gap between the surface of the smoke shielding seal member is disposed at a position between the front end and the base end of the smoke shielding seal member, and the masking member The coating is performed by spraying a coating agent from the tip end side of the smoke shielding seal member in a state where is disposed.

  According to the present invention, the replacement time of the seal member can be determined at a glance, and the seal member can be replaced at an appropriate time.

According to the present invention, when the seal member is attached, the seal member is rotated slightly or the like, so that the seal member can be flexibly adhered to a contact surface such as a door or a frame.
Moreover, since the front-end | tip part of a sealing member carries out a line contact, confidentiality is good and it can drive | work a door smoothly, without disturbing the driving | running | working of a door.

Embodiments according to the present invention will be described below with reference to the drawings.
First, the basic overall structure of the door portion of the elevator doorway will be described.
As shown in FIG. 1, the elevator doorway apparatus includes a door 1, an upper frame 2 and a vertical frame 3 that surround the door 1, and a sill 4 on which the door 1 travels.

The door 1 is a one-sided door composed of a high speed door 1a and a low speed door 1b. As shown in FIGS. 1 and 2, the high-speed door 1a is located far from the door pocket 5 and moves faster than the low-speed door 1b when performing an opening / closing operation.
When the door 1 is fully closed, the high-speed door 1a and the low-speed door 1b are closed on the left and right sides as shown in FIG. 2A, and when the door 1 is fully opened, the high-speed door 1a and the low-speed door 1b are closed as shown in FIG. As shown in the figure, the high-speed door 1a and the low-speed door 1b are folded and overlapped and stored in the door pocket 5 to be fully opened.

Further, as shown in FIG. 3, the upper frame 2 has a high-speed door 1a and a low-speed door 1b suspended from each other by a door hanger 6 connected to a driving device.
The vertical frame 3 is composed of a vertical frame 3a (left side in the figure) on which the high-speed door 1a hits when fully closed and a vertical frame 3b (right side in the figure) on the door pocket 5 side. The vertical frame 3a constitutes a door holding portion when the high speed door 1a is closed.

  The sill 4 is formed with a guide groove for traveling with the guide shoes provided at the lower ends of the high-speed door 1a and the low-speed door 1b, so that the door 1 moves left and right along the guide groove. It is configured.

One embodiment of a sealing member for smoke shielding according to the present invention is shown in FIG.
First, the holding material 11 for attaching the seal member 12 is manufactured by aluminum extrusion molding or the like, and is formed in a plate shape elongated in a direction perpendicular to the drawing sheet.
The holding material 11 is fixedly attached to the upper end portion, the lower end portion of the door 1 and the overlapping end portion of the low speed door 1b with the high speed door 1a, the door holding portion and the door pocket portion of the vertical frame 3 by screws or the like. Yes.
At one end portion of the holding material 11, a groove 11 a for attaching the seal member 12 is formed in a straight line over the entire width direction (vertical direction in the drawing paper) of the holding material 11.
The groove 11a has a circular cross section and is attached so that a part of the outer periphery thereof is open and the seal member 12 extends outwardly therefrom.
In addition, both side portions of the holding material 11 are open, and the base end portion 12a of the sealing member 12 is inserted from the opening so that the sealing member 12 is attached to the holding material 11.

  The seal member 12 is formed of an elastic material such as rubber and is formed in a plate shape extending in the direction perpendicular to the paper surface. As shown in FIG. 6, the sealing member 12 includes a base end portion 12a attached to the holding member 11, a bent portion 12b formed continuously from a part of the outer periphery of the base end portion 12a, and a bent portion 12b. The intermediate plate portion 12c extends and the tip portion 12d of the seal member 12 is provided.

The base end portion 12a is formed in a circular cross section, and has a structure in which the seal member 12 is attached to the holding material 11 by inserting the base end portion 12a from the side opening of the groove 11a.
The size of the base end portion 12a is slightly smaller than the diameter of the groove 11a of the holding material 11, and the seal member 12 is as shown in FIG. 5 with the base end portion 12a as the center when attached to the groove 11a. It is comprised so that rotation is possible.

The bent portion 12b extends from the opening of the groove 11a and is formed in the tangential direction of the circular base end portion 11a.
When the sealing member 12 rotates, the bent portion 12b comes into contact with the opening of the groove 11a, thereby restricting the rotation of the sealing member 12.

  The intermediate plate portion 12c is formed in a flat plate shape, and has a shape extending from the bent portion 12b toward the contact surface. The thickness of the intermediate plate portion 12c is formed in consideration of manufacturability by extrusion molding or the like.

  The front end portion 12d is formed in a circular cross section and comes into contact with a contact surface such as a frame. Since the distal end portion 12d is formed in a circular cross section, it can come into line contact with the contact surface regardless of the contact angle of the seal member 12 with respect to the contact surface.

A coating layer 13 is formed on at least a contact portion of the seal member 12 with a frame or the like. In this example, the coating is applied up to the front end portion 12d and the substantially intermediate portion in the width direction of the intermediate plate portion 12c.
This coating is applied differently depending on the portion where the seal member 12 is used.
For example, when it is necessary to suppress the high durability and the rubbing sound during sliding, such as the upper and lower parts of the door 1, a black urethane coating is applied on the seal member 12 as shown in FIG. A first layer 13a is formed, and a second layer 13b is further formed on the upper surface of which is further coated with a gray urethane coating. In this example, the second layer 13b on the surface side is coated with a member in which fluorine is mixed with urethane.
The door layer, the middle part between the high-speed door 1a and the low-speed door 1b, and the second layer of the door pocket part use a water-soluble fluorine-containing coating material, and stick when the door 1 opens from a long-time contact state. Can be prevented.

Next, how to install and use the seal member 12 formed in this way will be described.
FIG. 8 shows a method for attaching to the upper end of the door 1. As shown in FIG. 8, the holding material 11 is attached to the upper end portion of the door 1 with screws or the like. In this state, the groove 11a opens toward the contact surface F such as a frame.
In this state, the seal member 12 is inserted and attached from the side opening of the groove 11a. In a state where the seal member 12 is attached, the seal member 12 can be slightly rotated to the left and right in the drawing with the base end portion 12a as the center.

Further, as shown in FIG. 9, a holding member 11 is attached to the lower portion of the door 1 with a screw or the like, and a seal member 12 is inserted from a side opening of the groove 11a. And the front-end | tip part 12d of the sealing member 12 and a part of front-end | tip part of the intermediate | middle board part 11c contact | abut in the guide groove 4a formed in the floor surface side.
In this case as well, the seal member 12 can be rotated slightly to the left and right in the drawing with the base end portion 12a as the center. Accordingly, the seal member 12 can be rotated and brought into close contact with the gap between the doors 1 and the contact angle thereof.

  Further, when the seal member 12 is attached between the high speed door 1a and the low speed door 1b, as shown in FIG. 10, the holding member 11 is attached to one door 1 (for example, the low speed door 1b side) not shown. The mounting is performed so that the opening of the groove 11a opens toward the other door 1 (for example, the high speed door 1a side). In this state, by inserting the seal member 12 from the side opening of the groove 11a, the seal member 12 is attached so as to extend toward the other door 1 side. In this state, with the seal member 12 attached, it can be rotated slightly to the left and right in the drawing with the base end portion 12a as the center. Accordingly, the seal member 12 can be rotated and brought into close contact with the gap between the doors 1 and the contact angle thereof.

  Similarly to FIG. 10, the holding material 11 is attached to the end portion of the door pocket portion so that the groove 11 a opens toward the door 1 side. In this state, the seal member 12 is inserted so as to extend toward the door 1 side by inserting the seal member 12 from the side opening of the groove 11a. The seal member 12 is in a state of being able to rotate slightly to the left and right in the drawing with the base end portion 12a as the center. Therefore, the seal member 12 can be rotated and brought into close contact with the gap between the door 1 and the contact angle thereof.

  Moreover, when attaching to a doorhold part, as shown in FIG. 11, the holding | maintenance material 11 is attached to the door stop part of the vertical frame 3 which is not shown in figure in the state which the groove | channel 11a opens toward the high-speed door 1a side. In this state, by inserting the seal member 12 from the side opening of the groove 11a, the seal member 12 is attached so as to extend toward the high-speed door 1a. In this state, with the seal member 12 attached, it can be rotated slightly to the left and right in the figure with the base end portion 12a as the center. Therefore, the seal member 12 can be rotated and brought into close contact with the clearance between the high-speed door 1a and the contact angle thereof.

The wear of the seal member 12 can determine the replacement time by determining the color of the contact portion of the seal member 12.
That is, when not yet used, the seal member 12 is gray because the second layer 13b is on the surface. Subsequent use causes the second layer 13b to wear due to contact with the contact surface, so that the black first layer 13a under the second layer 13b is exposed.
Thus, when the lower black first layer 13a is exposed, it is determined that it is time to replace the seal member 12, and the seal member 12 is replaced.
The replacement of the seal member 12 can be performed by removing the seal member 12 from the side opening of the groove 11a and inserting the new seal member 12 by sliding it from the groove 11a.

  In the above example, the seal member 12 is replaced. However, not only the replacement, but also the holding member 11 is moved up or down to change the contact surface of the seal member 12 to achieve the same effect. Can be demonstrated.

The structure in this case is shown in FIGS.
12 and 13, a bracket 104 for attaching the guide shoe 101 is screwed to the lower end portion of the door 1. The bracket 104 is bent in two steps in a stepped manner, and is attached to the opening at the lower end of the door 1 with a screw or the like.
A guide shoe 101 is attached to the portion of the lower end portion of the bracket 104 that extends to the front side with a left-right spacing.

In addition, a plate-like holding material 11 is attached to the lower end portion of the bracket 104 by a pressing metal fitting 106.
The holding material 11 extends left and right along the bracket 104 and is attached to the entire surface along the lower end surface of the door 1. A groove 11a for attaching the seal member 12 is formed at the lower end of the holding member 11 in a straight line on the left and right.

  As shown in FIGS. 12 and 13, the presser fitting 106 is formed with a vertically long hole 106 a for screwing the presser fitting 106. The presser fitting 106 can be screwed to the bracket 104 by screwing the screw 105 into the elongated hole 106a. The presser fitting 106 can move up and down along the long hole 106a in a state where the screw 105 is loosened.

In this state, when the contact portion of the seal member 12 is scraped by wear and the lower black coating portion 13a is exposed, the presser fitting 106 is moved upward or downward along the elongated hole 106a with the screw 105 loosened. Move and tighten screw 205 again.
As a result, the sealing member 12 comes into contact with the groove 41 at a different contact surface, that is, a portion that is still coated with the gray second layer 13b.
Further, by moving the seal member 12 in this manner, even when the contact angle with the groove 41 changes, the seal member 12 rotates in the groove 11a, so that the line contact with the groove 41 can be maintained. it can.
Further, since the tip end portion 12d of the seal member 12 is formed in a circular cross section, it is possible to make line contact with the groove 41 and maintain confidentiality, and to bring the frictional force into contact with the surface. It becomes large and can produce the effect that a teacher does not come to open and close the door 1.
In addition, although the example of above-mentioned FIG. 12, 13 demonstrated the structure at the time of attaching the sealing member 12 to the lower end part of the door 1, the same structure is applied also to a door upper part, between doors, a door pocket part, and a door stop part. can do.

Next, a method for coating the seal member 12 is shown in FIG.
As shown in FIG. 14, when the sealing member 12 is coated with urethane or the like, first, the sealing member 12 is placed in a plane, and between the distal end portion 12d and the proximal end portion 12a of the sealing member 12. The masking member 201 is disposed on the surface.
At this time, a gap S is formed between the seal member 12 and the masking member 201.
The material of the masking member 201 is not particularly limited as long as it can be shielded so that the coating material does not adhere to the base end portion 12a side when the coating material is sprayed.
And a coating material is apply | coated by spraying a coating agent by spray etc. in the state which has arrange | positioned the masking member 201. FIG.

  By performing the coating process in this way, a part of the coating material is sprayed also from the gap portion to the intermediate plate portion 11c on the base end portion 12a side, and the coating material gradually stops reaching the base end portion 11a. Thereby, the boundary part of a coating becomes smooth and the adhesive strength of the sealing member 12 and a coating material can be strengthened.

The surface to be coated may be different depending on the portion where the seal member 12 is used, as shown in FIG.
As shown in FIG. 15 (a), the leading end portion side of the door holding portion, the door-to-door portion, and the door pocket portion is coated with a coating material M from the upper end surface of the seal member 12. This coating material M uses a water-soluble fluorine coating material, and is simultaneously performed at the time of rubber extrusion molding, and is coated by simultaneous spraying from three directions.
The film thickness of the coating material M is 5 to 10 μm, and the film pressure does not impair the flexibility of the seal member 12.
Thereby, since the seal member 12 of the door holding part, the door-to-door part, and the door pocket part is in contact with the door 1 and the like only when fully closed and immediately before, it is possible to prevent sticking when the door 1 is opened from a long-time contact state. it can.

Further, as shown in FIG. 15B, the lower and upper surfaces of the seal member 12 are coated on the upper and lower doors.
In this case, a two-layer urethane coating is applied, and the sealing member 12 is coated with urethane having a role of an adhesive between the sealing member 12 as a rubber and the second layer, and then fluorine is mixed with urethane. I do.
If the film pressure at this time is 0.4 mm or more, the sealing member 12 will be struck at the stage where the coating material dries, and confidentiality performance cannot be maintained.
Therefore, preferably, the membrane pressure is set to 0.3 mm or less.

In each of the above-described embodiments, a single-open elevator has been described as an example. However, the present invention is not limited to this and can be applied to a double-open elevator.
Various changes can be made without departing from the spirit of the present invention.

The front view which showed the door of the elevator. (A) Sectional drawing which showed typically the door of the elevator of the fully-closed state in the AA cross section of FIG. (B) Sectional drawing which showed typically the door of the elevator of the fully open state in the AA cross section of FIG. Sectional drawing which showed typically the door and upper frame in CC cross section of FIG. Sectional drawing which showed typically the sill part of the elevator in the BB cross section of FIG. The side view which showed a mode that the sealing member concerning this embodiment was attached to the holding material. The side view of the sealing member concerning this embodiment. Sectional drawing of the front-end | tip part vicinity of the sealing member concerning this embodiment. The side view which shows the state which attached the sealing member concerning this embodiment to the door upper end part. The side view which shows the state which attached the sealing member concerning this embodiment to the door upper-lower end part. The side view which shows the state which attached the sealing member concerning this embodiment to between doors or the door pocket part. The side view which shows the state which attached the sealing member concerning this embodiment to the door stop part. The disassembled perspective view which showed the state which attached the seal member concerning this embodiment to the door lower end part so that an up-down movement was possible. The perspective view which showed the state which attached the sealing member concerning this embodiment to the door lower end part so that an up-down movement was possible. The figure which showed a mode that the coating process of a coating material was performed to the sealing member concerning this embodiment. The figure which showed typically the coating surface of the coating material to the sealing member concerning this embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door 1a High speed door 1b Low speed door 2 Upper frame 3 Vertical frame 4 Sill 11 Holding material 11a Groove 12 Sealing member 13 Coating material

Saegikemuri structure according to an aspect of the present invention, a door of an elevator, a Saegikemuri structure for closing the gap between the contact portion of the door, a plate-shaped seal member, the seal member of said elevator a holding member for attachment to the door, the holding member has a, a pressing metal fitting for fixing to the door, said sealing member is at least in its distal end, different coating member color is laminated When the contact portion of the coating member is scraped due to wear and a lower layer coating member having a different color is exposed, the presser fitting is loosened, the holding member and the seal member are moved upward or downward, and the presser fixture is reattached. It is characterized by being fixed at a position where different contact surfaces of the seal member come into contact with each other.

Claims (6)

It is a sealing member for smoke shielding that closes the gap between the door of the elevator and the contact portion of the door,
The seal member is formed by laminating members having different colors at least at the tip portion thereof.
A smoke shielding member characterized by the above. The contact portion is formed by being laminated by coating a plurality of color members.
The smoke shielding seal member according to claim 1. The coating is a coating material containing urethane,
The sealing member for smoke shielding according to claim 2. The sealing member is attached via a holding material,
In the holding material, a groove having a circular cross section for holding the seal member is formed,
The base end portion on the door mounting side of the seal member is formed in a circular cross section, and the base short portion is inserted into the groove of the holding material and is rotatably attached.
The smoke-shielding sealing member according to any one of claims 1 to 3. The tip of the contact portion of the seal member is formed in a circular cross section.
The smoke shielding seal member according to any one of claims 1 to 4. A method for manufacturing a smoke-shielding seal member for blocking and shielding a gap between an elevator door and a contact portion of the door,
A masking member that shields the coating material with a gap between the surface of the smoke shielding seal member is disposed at a position between the distal end portion and the base end portion of the smoke shielding seal member,
In a state where the masking member is arranged, coating is performed by spraying a coating agent from the tip side of the smoke shielding seal member.
A method for producing a smoke shielding seal member.