JP3251836B2 - Elevator platform - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an elevator landing.

[0002]

2. Description of the Related Art FIG. 7 (b) shows a conventional elevator landing viewed from the hoistway side. FIG. 7 (a) is an enlarged cross-sectional view taken along the line CC of FIG. 7 (b). FIG. 7C shows an enlarged cross-sectional view taken along line DD of FIG.

In FIGS. 7 (a), 7 (b) and 7 (c), a sill 3 made of an embossed aluminum material is laid at the tip of the landing floor of an elevator landing. At the left and right ends of the sill 3, back angles 12 each having an L-shaped cross section are symmetrically erected, and are fixed to the building wall with a not-shown stopper plate. On the hoistway side of this building wall,
In (a), a header case 9 bent in a substantially Z-shape is provided horizontally and fixed to a building wall.

[0004] At the upper end of the header case 9, a fesher plate 2 A is erected and the lower end is bolted to the header case 9.
Fixed at 10. A header cover 4 is vertically provided below the fascia plate 2A, and an upper end thereof is fixed to a header case 9 with bolts 10. This header cover 4
Is bent to the landing side, and is substantially the same height as the lower surface of the below-described three-way frame at the lower end of the header case 9 described above.

[0005] The header casing 9, strip-shaped rail 8 is horizontally provided in the hoistway side via a plurality of spacing seats. In the header case 9, a lock plate, which is not described in detail, is vertically provided inside the header cover 4, and a pair of switches 13 is symmetrically attached to a lower end of the lock plate.

On the hoistway side of the rail 8, a pair of hanger plates 7 formed in an L-shape in FIG. Above the hanger plate 7, a hanger roller 7a is rotatably provided via a pair of stepped shafts.

[0007] These hanger rollers 7 a are freely movable with respect to the upper surface of the rail 8. Therefore, the hanger plate 7 is suspended on the header case 9 via the hanger roller 7 a and the rail 8.

An auxiliary roller 7b is mounted symmetrically and rotatably on the landing side below the hanger plate 7 via a pair of stepped shafts symmetrically with the hanger roller 7a. It is opposed to the lower surface of the rail 8 with a slight gap.

The upper ends of the landing doors 1A and 1B are fixed to the lower end surface of the hanger plate 7 with bolts via an adjusting plate (not shown). Therefore, each landing door 1A, 1B is suspended on the rail 8 via the hanger plate 7 and the roller 7a.

[0010] the central portion of the shaft side of the landing doors 1A, 1B is engaging plate 15 bent in L-shape are symmetrically Tate設via a mounting plate (not shown), the lifting of engagement plates 15
End of the road side, the end face of the hoistway threshold 3 described above, and protrudes further shaft side as shown in FIG. 7 (c).

At the center of the sill 3 on the side of the hoistway, a fesher plate 2B is suspended, and the upper end is fixed to the sill 3 with bolts. In FIG. 7C, the cross sections on both sides of the three-way frame 14 are shown in a U-shape with respect to the landing side of the threshold 3.

[0012] In FIG. 7 (a), the end face of the hoistway header cover 4 and the end surface of the hoistway-side of the sill 3 has a same position, these header cover 4 and sill 3 and the landing door 1A, In FIG. 7A , a recess 5 is formed between the recess 5 and the recess 1.

In the elevator landing thus constructed, the header cover 4 prevents the rails 8 and the like from being seen even when the passengers of the car go to the landing floor, thereby improving the design and improving the design of the car. It is provided to prevent turbulence (turbulence) in the flow of air generated during ascending and descending, and to suppress generation of noise due to the turbulence.

By the way, as elevators installed in high-rise buildings in large cities increase in speed and lift, noise due to turbulence of airflow generated between the outer periphery of the car and the hoistway caused by the rise and fall of the car increases. The user has requested reduction.

[0015]

However, in a conventional elevator hall as shown in FIG. 7, the above-described threshold 3 and the recess 5 formed between the hall doors 1A and 1B and the header cover 4 are provided. In the process of the car passing through the landing at high speed, noise is generated.

Then, this noise propagates through the gap 6 formed between the lower ends of the landing doors 1A and 1B and the upper surface of the threshold 3 shown in FIGS. At night, unpleasant noise is generated even in offices and living rooms.

Further, due to the vibration of air generated when the car passes through the recess 5, the lower portion of the header cover 4
When swinging right and left in (a), there is a possibility that the noise may be amplified. Therefore, an object of the present invention is to obtain an elevator landing that can suppress generation of noise due to the elevation of a car.

[0018]

According to the first aspect of the present invention, there is provided an elevator hall, wherein the elevator is provided with a header disposed laterally above the hall door.
An elevator with a header cover suspended from the hoistway side of the case
In the landing, the left and right sides are fixed to the landing door , the lower end is opposed to the upper end of the sill of the landing door on the hoistway side, and the upper end is opposed to the lower end of the header cover on the hoistway side .
Characterized by comprising a cross-section U-shaped air regulating plate that.

In the elevator hall according to the second aspect of the present invention, in the elevator hall where a header cover is vertically installed on a hoistway side of a header case laterally provided above the hall door, the header cover is connected to the header case. The support fixed to the upper part of the head cover is attached to the landing door side of the header cover.

According to a third aspect of the present invention, there is provided an elevator hall, wherein a header cover is erected on a hoistway side of a header case laid laterally on an upper part of the hall door. The air conditioning section is formed by bending the landing door side at an obtuse angle.

According to a fourth aspect of the present invention, there is provided an elevator hall, wherein the header cover is erected on the hoistway side of the header case laid laterally above the hall door. A support fixed to the upper part of the door is attached to the landing door side of the header cover, and the lower part of the header cover is bent at an obtuse angle to the landing door side to form a wind regulating part.

According to the first aspect of the present invention, the steep change in the threshold of the space formed between the car and the landing door and the steep change in the cross-sectional shape formed by the header cover and the landing door are achieved. It is alleviated by the air-conditioning plate, and the turbulence of the airflow between the car and the landing door, which is generated by raising and lowering the car, is suppressed.

Also, in the invention according to claim 2 ,
The header cover is firmly fixed to the landing door via a support attached to the landing door side of the header cover to prevent vibration.

According to the third aspect of the present invention,
A steep change in the cross-sectional shape under the header cover in the space formed between the car and the landing door is alleviated by the air conditioning unit, and the turbulence of the air flow between the car and the landing door caused by the raising and lowering of the car is suppressed. .

In the invention according to claim 4 ,
With the support attached to the landing door side of the header cover, the header cover is firmly fixed to the landing door to prevent vibration, and the cross-sectional shape of the space formed between the car and the landing door under the header cover The steep change of the car is alleviated by the air conditioning section, and the turbulence of the airflow between the car and the landing door, which is generated by the elevation of the car, is suppressed.

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of an elevator landing according to the present invention will be described with reference to the drawings. FIG. 1 is a view showing a first embodiment of a landing of an elevator according to the present invention, which corresponds to FIG. 7 shown in the prior art, and particularly, landing doors 1A and 1B.
The lower part of is enlarged.

In FIG. 1, (b) corresponds to an enlarged view of the lower central portion of FIG. 7 (b) shown in the prior art,
(A) is an enlarged view of the left side of (b). FIG.
In FIGS. 1 (a) and 1 (b), a substantially Z-shaped support plate 17 in FIG. 1 (a) is provided on the hoistway side below the landing doors 1A and 1B.
Are installed laterally via mounting plates (not shown) of the landing doors 1A and 1B, and the upper portion is fixed to the mounting plate (not shown) with pan screws.

Further on the hoistway side of these support plates 17, an air conditioner plate 16A whose upper part is bent at an obtuse angle is respectively attached, and the upper end of this air conditioner plate 16A is not shown on the hoistway side of the landing doors 1A, 1B. It is fixed with a pan-head screw via a mounting plate.

The lower ends of these air conditioner plates 16A are superimposed on the lower portion of the support plate 17 described above, and are fixed to the back surface of the support plate 17 with small pan screws via welding nuts welded to the back surface.
Further, a vibration isolator 18 made of chloroprene rubber is bonded to the landing door side of the air conditioning plate 16A with an adhesive.

In the elevator landing thus constructed, the flow of air between the lower portions of the landing doors 1A and 1B and the car door, which is generated when the car passes through the landing at a high speed, is controlled by the air conditioning plate. Since the air flow can be smoothed by the 16A and the generation of the vortex of the air flow in the upper part of the threshold 3 can be prevented, not only the generation of the noise due to the turbulence can be reduced, but also the air conditioning plate 16A is slightly vibrated. However, it can be attenuated by the vibration isolator 18.

Next, FIG. 2 is a partially enlarged view showing a second embodiment of an elevator hall according to the present invention, and corresponds to another embodiment of FIG. 2 is different from FIG. 1 in that a strip-shaped extension plate 16a is fixed with a pan-head screw 21 on the hoistway side below the air conditioning plate 16A shown in FIG. That is.

The lower end of the extension plate 16a is opposed to the end of the upper end surface of the sill 3 on the hoistway side with a slight gap, and the tightening hole 16b of the pan screw 21 has a parallel portion long in the vertical direction. It is a long hole formed.

In the elevator landing thus constructed, the steep change in the cross-sectional area of the airflow passage formed between the tip of the threshold 3 and the lower part of the landing doors 1A, 1B is controlled by the extension plate 16a. Since the noise can be completely eliminated, the noise can be further reduced as compared with the elevator landing shown in FIG. When the guide shoe 19 is inspected, the pan screw 21 is loosened and the extension plate 16a is moved upward.

In FIG. 2, the vibration is reduced by the addition of the extension plate 16a as compared with the air conditioning plate 16A shown in FIG. 1. Therefore, the vibration isolator 18 shown in FIG. If there is a possibility of vibration depending on the specification including the speed of the landing of the elevator, it may be provided in the same manner as in FIG.

Next, FIG. 3 is a view showing a third embodiment of an elevator landing according to the present invention.
1 and 2, only the upper part of the landing door and the header case are shown.

[0036] In FIG. 3, FIG. 7 differs from the, relative between the rear surface of the upper portion of the lower surface and the header cover 4 A header case 9, a support plate 11A that is manufactured by bending a thick plate into an L-shape Otherwise, the configuration is the same as that of FIG.

[0037] That is, the lower surface of the bent portion of the upper portion of the hoistway header casing 9, the upper end surface of the supporting plate 11A, which is formed from a strip-like slab in an L-shape is additionally provided, the header cable
To the solder 9 by spot welding.

[0038] The intermediate portion of the header cover 4 A is fixed from the shaft side to the supporting plate 11A by a bolt 10. A welding nut to which the tip of the bolt 10 is screwed is previously welded to the back surface of the support plate 11A.

[0039] In the hall of the thus constituted elevator, when inspecting the switch 13, corresponding by removing the header cover 4 A conventional Remove the bolt 10 of the upper and lower as well.

On the other hand, the header cover 4
For lateral force 3 due to the pressure that A receives (a), it is possible to suppress the swaying in the supporting plate 11A, it is possible to suppress the vibration of the header cover 4 A, due to the vibration The generation of noise can be suppressed.

Next, FIG. 4 is a view showing a fourth embodiment of an elevator hall according to the present invention, and is a view corresponding to FIG. FIG. 4 shows a point different from FIG. 3 in a case where the height of the landing door is increased even if the entrance height is the same, depending on the specification of the user.

That is, in FIG. 4, the landing doors 1 A ,
The upper end of the 1 B is upwardly project largely from the upper end of the jamb, not shown, therefore, the vertical width of the header casing 9A is wider.

Accordingly, the header cover 4B is also widened in the vertical direction, so that the header cover 4B
The support plate 11B for preventing vibration of the support plate is the support plate shown in FIG.
It is thicker than 11A and longer in the vertical direction. Header cover 4 B, the upper is fixed to the header case 9A in conveying the bolt 10.

In FIGS. 1, 2, 3 and 4, the landing door 1A is turned upside down with the air conditioning plate 16A, the support plate 17 and the extension plate 16a shown in FIGS. , 1
It may be provided symmetrically with the lower side between the upper part of B and the header covers 4 , 4A , 4B .

In this case, as compared with the case where only the lower side is provided, the noise caused by the steep section change portion formed between the lower end of the header cover and the landing door can be suppressed. Further noise can be reduced.

Further, in FIG. 1, the upper and lower portions of the support plate 17 are respectively extended, the tightening holes of the pan head screws are made oval, and the pan head screws are tightened with respect to the air conditioning plate 16A and the vibration isolator 18. The lower end of the support plate 17 close to the sill 3 by loosening the pan screw at the time of maintenance and inspection, and moving the support plate 17 upward, The exchange of the shoe 19 may be made possible.

Next, FIG. 5A is a partial side view showing a fifth embodiment of an elevator hall according to the present invention.
FIG. 5A is a diagram corresponding to FIG. FIG. 5A is different from FIG. 3A and FIG.
By changing the shape of the lower end of the header cover, the change in the steep cross-sectional area of the air flow path formed between the lower end of the header cover and the upper part of the landing door was reduced. (A) and FIG. 4 (a).

That is, in FIG. 5 (a), at the lower portion of the header cover 4C, a wind regulating portion 4a bent to the landing side at about 20 ° is formed, and at the lower end of the wind regulating portion 4a, approximately
An acute tip 4b bent upward by 160 ° is formed.

As described above, in the elevator landing where the air conditioning section 4a and the front end 4b are formed with respect to the lower portion of the header cover 4C, the flow of the airflow formed between the lower end of the header cover 4C and the landing door. By alleviating a steep change in the cross-sectional area of the road, it is possible to prevent noise due to turbulent air flow between the landing door and the header cover 4C. The tip 4b is effective for increasing the rigidity of the tip 4b, but may be omitted depending on the speed of the car.

Next, FIG. 5B is a partial side view showing a sixth embodiment of the elevator landing of the present invention.
It is a figure corresponding to (a), Drawing 4 (a), and Drawing 5 (a). 5 (b) is different from FIGS. 3, 4 and 5 (a) in FIG. 1 and FIG. 2 for the space between the upper portions of the landing doors 1A and 1B and the lower end of the header cover 4. Air conditioning board
The air conditioner 16B whose outer shape is substantially the same as 16A is provided symmetrically with respect to FIGS. In this case, since the vibration of the header cover 4 is reduced, there is an advantage that the support plate 11 can be omitted depending on the elevating speed of the car.

Next, FIG. 6 is a view showing a seventh embodiment of an elevator hall according to the present invention.
7, (b) is a view seen from the hoistway side, (a) is a cross-sectional view taken along the line AA of (b), and (c) is a view similar to FIG.
It is a BB cross section enlarged view of (a).

6, FIG. 2, FIG. 3, FIG. 4, FIG. 5 and FIG. 6 differ from FIG. 6 (c) with respect to the hoistway side of the left and right landing doors 1A, 1B. is that the Tate設an integer Kazeban 16C that is bent into a substantially U-shaped in.

[0053] That is, the integer Kazeban 16C, as shown in FIG. 6 (c)
In bent into a substantially U-shaped, settling of the left and right Kazeban
The opposite side of 16C is slightly bent further inward. Further, the outer surface of the hoistway integer Kazeban 16C is 6
As shown in (a) and (c), the header cover 4 and the threshold 3
Is the same as the end face. This opposite side is landing door 1
A and 1B are fixed with round screws on opposite ends on the hoistway side, and the opposite sides are fixed with round screws on the outer side surfaces of the landing doors 1A and 1B.

[0054] At the center portion of KakuSei Kazeban 16C, the vertical direction is formed a long square hole 16c, These rectangular holes 16c, corner landing doors 1A, was Tate設in central hoistway side of 1B Engagement plate 15
The tip of is penetrating.

In the elevator landing constructed as described above, the recess 5 shown in FIG. 7 is completely eliminated between the sill 3 and the header cover 4, and the turbulence of the air flow caused by the elevation of the car is almost completely eliminated. Therefore, generation of noise due to the turbulent flow can be eliminated.

[0056]

As described above, according to the first aspect of the present invention,
To the hoistway side of the header case installed at the top of the landing door
Left at the elevator landing with a suspended lid
A right side is fixed to the landing door , a lower end is opposed to an upper end of the sill of the landing door on the hoistway side, and an upper end is a cross-section U-shaped air conditioning plate facing the lower end of the header cover on the hoistway side. With this arrangement, the steep change in the cross section formed by the sill and the header cover and the landing door formed between the car and the landing door is alleviated by the air conditioning plate, and the cage is generated by raising and lowering the car. since suppress airflow turbulence landing Tokan, it is possible to obtain a landing of an elevator that can suppress the generation of noise caused by the lifting of the car.

According to the second aspect of the present invention, in an elevator hall where a header cover is erected on the hoistway side of a header case laid horizontally above the hall door, the header cover is attached to the upper part of the header case. the support for fixing by additionally provided on the landing-door side of the header cover, and firmly fix the header cover the landing door through a support that is additionally provided on the landing-door side of the header cover, since anti-tool vibrations in, It is possible to obtain an elevator landing that can suppress the generation of noise due to the elevation of the car.

According to the third aspect of the present invention, in a landing of an elevator in which a header cover is erected on a hoistway side of a header case laid laterally on an upper part of a landing door, a lower part of the header cover is connected to the landing door. By bending the side at an obtuse angle to form the air conditioning section, the steep change in the cross-sectional shape under the header cover of the space formed between the car and the landing door is alleviated by the air conditioning section, and by raising and lowering the car since suppress this car and the landing Tokan turbulence of air flow generated, it is possible to obtain a landing of an elevator that can suppress the generation of noise caused by the lifting of the car.

According to the fourth aspect of the present invention, in an elevator hall where a header cover is erected on the hoistway side of a header case laid horizontally above the hall door, the header cover is attached to the upper part of the header case. The support fixed to the header cover is attached to the landing door side of the header cover, and the lower part of the header cover is bent at an obtuse angle to the landing door side to form a wind regulating section, so that the header attached to the header cover on the landing door side The cover is firmly fixed to the landing door to prevent vibration, and the steep change in the cross-sectional shape under the header cover in the space formed between the car and the landing door is mitigated by the air conditioning section, and the car moves up and down. since inhibiting the turbulence of the car and the landing Tokan generated, it is possible to obtain a landing of an elevator that can suppress the generation of noise caused by the lifting of the car.

[Brief description of the drawings]

FIG. 1 is a view showing a first embodiment of an elevator hall according to the present invention, wherein (a) is a partial side view and (b) is a partial rear view.

FIGS. 2A and 2B are diagrams showing a second embodiment of an elevator landing according to the present invention, wherein FIG. 2A is a partial side view, and FIG.

FIGS. 3A and 3B are diagrams showing a third embodiment of an elevator landing according to the present invention, wherein FIG. 3A is a partial side view, and FIG.

FIG. 4 is a view showing a fourth embodiment of an elevator hall according to the present invention, wherein (a) is a partial side view, and (b) is a partial rear view.

FIG. 5 (a) is a partial side view showing a fifth embodiment of the elevator vehicle of the present invention, and FIG. 5 (b) is a partial side view showing a sixth embodiment of the elevator landing of the present invention.

FIG. 6 is a view showing a seventh embodiment of an elevator hall according to the present invention, wherein (a) is a partial side view, (b) is a partial rear view, and (c) is a BB cross section of (b). Enlarged view.

FIG. 7 is a diagram showing an example of a conventional elevator landing.
(A) is a partial side view, (b) is a partial rear view, and (c) is a DD cross-sectional enlarged view of (b).

[Explanation of symbols]

1A, 1B: landing door, 2A, 2B: fascia plate, 3: threshold, 4, 4A, 4B, 4C: header cover,
5 recess, 6 gap, 7 hanger plate, 8 rail, 9,
9A, 9B: header case, 10: bolt, 11A, 11B,
17 ... Support plate, 12 ... Back angle, 13 ... Switch, 14 ...
Three-way frame, 15: engagement plate, 16A, 16B, 16C: air conditioning plate, 16a
… Extension plate, 18… vibration insulator, 19… guide shoe, 20… floor floor, 21… pan screw.

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-7-137972 (JP, A) JP-A-53-20764 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B66B 13/30

Claims (4)

(57) [Claims] 1. A header case installed laterally above a landing door.
Elevators with header covers hanging on the hoistway side of
In the field, the left and right sides are fixed to the landing door, cross section U in which the lower end is opposed to the upper end of the hoistway threshold of the landing door, the upper end is opposed to the lower end of the hoistway of said header cover
An elevator hall characterized by having a U-shaped air conditioning plate. 2. In an elevator hall in which a header cover is vertically installed on a hoistway side of a header case laterally provided above a landing door, a support for fixing the header cover to an upper part of the header case is provided by the header cover. An elevator hall provided adjacent to the hall door side. 3. In an elevator hall where a header cover is vertically provided on a hoistway side of a header case horizontally provided above an hall door, the lower part of the header cover is bent at an obtuse angle to the hall door side to form a wind regulating section. An elevator hall characterized by being formed. 4. In an elevator hall in which a header cover is vertically provided on a hoistway side of a header case laterally provided above a landing door, a support for fixing the header cover to an upper portion of the header case is provided by the header cover. An elevator hall, which is attached to the hall door side, and wherein a lower part of the header cover is bent at an obtuse angle to the hall door side to form a wind regulating section.