Sealing and noise reduction structure of elevator landing door

Abstract

The utility model relates to the technical field of elevators, in particular to an elevator landing door sealing noise reduction structure which comprises a top door pocket, a landing door sill, a left side door pocket and a right side door pocket, the rear side of the top door pocket is connected with a left side door and a right side door through an elevator landing door driving assembly, and a first transverse sealing rubber strip is arranged at the bottom of the rear side of the top door pocket. A second transverse sealing rubber strip is arranged at the top of the rear side of the landing door sill, a first vertical sealing rubber strip is arranged on the right side of the rear side of the left side door pocket, a second vertical sealing rubber strip is arranged on the left side of the rear side of the right side door pocket, a trapezoidal groove is formed in the right side of the left side door, and a rubber pad matched with the trapezoidal groove in shape and size is arranged on the right side of the left side door. The left side of the right side door is provided with a trapezoid sealing block, and noise reduction pieces are arranged in the left side door and the right side door. According to the elevator landing door sealing noise reduction structure, the noise reduction pieces are arranged in the left side door and the right side door, noise energy in an elevator shaft can be effectively absorbed, sound waves are prevented from being transmitted to an elevator waiting hall through the door body, and the problem that a traditional landing door transmits noise is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator technical field, concretely is elevator landing door sealing noise reduction structure. BACKGROUND

[0002] The elevator landing door is an indispensable component of the elevator system, and its main function is to provide a safe access channel for passengers and to block environmental factors in the elevator shaft during elevator operation. The landing door is usually composed of two left and right doors, which can be opened when the elevator stops to allow passengers to safely and conveniently enter or exit the elevator. However, during the process of elevator operation and stopping, the opening and closing of the landing door will produce certain noise, especially in high-rise buildings, which may spread to the surrounding residential areas, affecting the quality of life and comfort of the residents. With the popularity of high-rise buildings, the noise problem of elevator landing doors has attracted increasing attention, and effective solutions are urgently needed to reduce noise and improve passenger and resident comfort.

[0003] The patent with publication number CN222293337U discloses a high-speed elevator landing door windproof and noise reduction structure, which includes a door sleeve assembly, a landing door assembly, and a landing door sill. The landing door sill is installed at the lower end of the door sleeve assembly, and the landing door assembly is located on the landing door sill. A sealing strip is installed on one side of the landing door assembly. One end of the sealing strip is in contact with one side of the door sleeve assembly. After the elevator landing door is closed, the door sealing strip is used to seal the gap between the left and right doors, and the sealing strip is used to seal the gap between the landing door assembly and the door sleeve assembly. When the elevator is running at high speed, the airflow is effectively blocked between the elevator shaft and the waiting hall, thereby reducing the wind noise and noise generated during elevator operation and improving the comfort of passengers to a certain extent.

[0004] The above-mentioned prior art seals the gap between the left and right doors with a door sealing strip to reduce the wind noise and noise generated during elevator operation. However, it is worth noting that although the prior art seals the gap between the left and right doors with a door sealing strip, the left and right doors themselves still transmit the noise from the elevator shaft. The lack of noise reduction structure for the left and right doors themselves makes it difficult to effectively control the noise generated during the operation of the elevator, affecting the overall noise reduction effect. Therefore, to solve this problem, we propose an elevator landing door sealing noise reduction structure to further reduce the noise during the operation of the elevator. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an elevator landing door sealing noise reduction structure to solve the problems raised in the background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The elevator landing door sealing and noise reduction structure comprises a top door sleeve, a landing door sill, a left side door sleeve and a right side door sleeve, the top door sleeve is used for supporting an elevator landing door drive assembly and fixing the upper position of a left side door and a right side door, the landing door sill is used for bearing the bottom movement of the left side door and the right side door, and the left side door sleeve and the right side door sleeve are respectively used for limiting the horizontal displacement of the left side door and the right side door.

[0008] As shown in Figure 1 and Figure 2 , the rear side of the top door sleeve is connected with the left side door and the right side door through the elevator landing door drive assembly, the left side door and the right side door are used for closing the elevator shaft and forming a noise reduction barrier, the bottom of the rear side of the top door sleeve is provided with a first horizontal sealing rubber strip, the first horizontal sealing rubber strip is used for sealing the top door gap and blocking the top noise transmission, the top of the rear side of the landing door sill is provided with a second horizontal sealing rubber strip, the second horizontal sealing rubber strip is used for sealing the bottom door gap and preventing the airflow and noise from spreading through the sill, the right side of the rear side of the left side door sleeve is provided with a first vertical sealing rubber strip, the first vertical sealing rubber strip is used for closing the vertical gap between the left side door and the door sleeve, and the left side of the rear side of the right side door sleeve is provided with a second vertical sealing rubber strip, the second vertical sealing rubber strip is used for closing the vertical gap between the right side door and the door sleeve.

[0009] As shown in Figure 5 , Figure 6 and Figure 7 , a trapezoidal groove is formed in the right side of the left side door, the trapezoidal groove is used for cooperating with a trapezoidal sealing block to form a mechanical sealing structure, a rubber pad with a shape and size matched with the left side door is arranged on the right side of the left side door, the rubber pad is used for buffering the door body collision and reducing the vibration noise, a trapezoidal sealing block is arranged on the left side of the right side door, the trapezoidal sealing block is used for being embedded in the trapezoidal groove to cooperate with the rubber pad to eliminate the door gap noise transmission path, and a noise reduction piece is arranged in the left side door and the right side door, the noise reduction piece is used for absorbing the noise energy in the elevator shaft.

[0010] Preferably, as shown in Figure 2 , the rear side of the first horizontal sealing rubber strip, the second horizontal sealing rubber strip and the first vertical sealing rubber strip is matched with the edge of the front side of the left side door, and the rear side of the first horizontal sealing rubber strip, the second horizontal sealing rubber strip and the second vertical sealing rubber strip is matched with the edge of the front side of the right side door, forming a multidirectional sealing barrier.

[0011] Preferably, as shown in Figure 5 , a plurality of mounting holes a are formed in the side surface of the rubber pad, a first bolt is connected to the mounting hole a, and the threaded end of the first bolt is threadedly connected to the right side of the left side door, so that the first bolt is used for fastening the rubber pad to the right side of the left side door to maintain elastic sealing.

[0012] Preferably, as shown in Figure 6 Preferably, as shown in

[0013] Preferably, as shown in Figure 7 and Figure 8 Preferably, as shown in

[0014] Preferably, as shown in Figure 7 Preferably, as shown in

[0015] Preferably, as shown in Figure 8 Preferably, as shown in

[0016] Preferably, as shown in

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1、 the elevator floor door sealing noise reduction structure, through the inside setting of left side door and right side door noise reduction cavity and polyurethane foam sound insulation board, the sound wave dispersion effect of the grid board is combined, can effectively absorb the noise energy in the elevator shaft, the sound wave is blocked and is transmitted to the waiting hall through the door body, solves the problem of the traditional floor door itself transmission noise.

[0019] 2、The elevator floor door sealing noise reduction structure, the trapezoidal groove of the left door and the trapezoidal sealing block of the right door form a mechanical fitting structure, cooperate the elastic rubber pad of the right side of the left door, not only eliminate the gap between the door, but also buffer the collision vibration when the door body is closed, greatly reduce the noise generated by the door body collision or gap air leakage.

[0020] 3、The elevator floor door sealing noise reduction structure, the first transverse sealing rubber strip of the top door sleeve, the second transverse sealing rubber strip of the floor door sill, the first vertical sealing rubber strip of the left door sleeve and the second vertical sealing rubber strip of the right door sleeve respectively seal the top, bottom and both sides of the door gap, form a three-dimensional sealing barrier, completely block the airflow and noise through the gap. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is whole structure schematic view of the utility model;

[0022] Figure 2 It is one of partial structure schematic view of the utility model;

[0023] Figure 3 It is two of partial structure schematic view of the utility model;

[0024] Figure 4 It is left door and right door structure schematic view in the utility model;

[0025] Figure 5 It is partial structure schematic view of the left door in the utility model;

[0026] Figure 6 It is partial structure schematic view of the right door in the utility model;

[0027] Figure 7 It is left door and noise reduction piece assembly structure schematic view in the utility model;

[0028] Figure 8 It is right door and noise reduction piece assembly structure schematic view in the utility model;

[0029] In the figure: 100, top door sleeve; 110, first transverse sealing rubber strip; 200, layer door sill; 210, second transverse sealing rubber strip; 300, left side door sleeve; 310, first vertical sealing rubber strip; 400, right side door sleeve; 410, second vertical sealing rubber strip; 500, left side door; 501, trapezoidal groove; 502, first noise reduction cavity; 510, rubber pad; 511, mounting hole a; 520, first bolt; 530, first back cover plate; 531, mounting hole b; 540, second bolt; 600, right side door; 601, second noise reduction cavity; 610, trapezoidal sealing block; 611, circular avoidance groove; 620, second back cover plate; 621, mounting hole c; 630, third bolt; 700, noise reduction piece; 710, grid plate; 720, sound insulation plate. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0032] Please refer to Figures 1-8 The present application provides a technical solution:

[0033] The elevator layer door sealing and noise reduction structure comprises a top door sleeve 100, a layer door sill 200, a left side door sleeve 300 and a right side door sleeve 400. The top door sleeve 100 is used for supporting an elevator layer door driving assembly and fixing the upper position of a left side door 500 and a right side door 600. The layer door sill 200 is used for bearing the bottom movement of the left side door 500 and the right side door 600. The left side door sleeve 300 and the right side door sleeve 400 are respectively used for limiting the transverse displacement of the left side door 500 and the right side door 600.

[0034] In combination with Figure 1 and Figure 2As shown, the rear side of the top door sleeve 100 is connected with the left door 500 and the right door 600 through the elevator landing door driving assembly, which is a prior art and will not be described in detail here. The left door 500 and the right door 600 are used to close the elevator shaft and form a noise reduction barrier. The bottom of the rear side of the top door sleeve 100 is provided with a first transverse sealing rubber strip 110, which is used to seal the top door gap and block the transmission of top noise. The top of the rear side of the landing sill 200 is provided with a second transverse sealing rubber strip 210, which is used to seal the bottom door gap and prevent air flow and noise from spreading through the sill. The right side of the rear side of the left door sleeve 300 is provided with a first vertical sealing rubber strip 310, which is used to close the vertical gap between the left door 500 and the door sleeve. The left side of the rear side of the right door sleeve 400 is provided with a second vertical sealing rubber strip 410, which is used to close the vertical gap between the right door 600 and the door sleeve.

[0035] As shown in Figure 5 , Figure 6 and Figure 7 , the right side of the left door 500 is provided with a trapezoidal groove 501, which is used to cooperate with the trapezoidal sealing block 610 to form a mechanical sealing structure. The right side of the left door 500 is provided with a rubber pad 510 with a shape and size suitable for matching, which is used to buffer the door body collision and reduce vibration noise. The left side of the right door 600 is provided with a trapezoidal sealing block 610, which is used to embed the trapezoidal groove 501 to cooperate with the rubber pad 510 to eliminate the door gap noise transmission path. The left door 500 and the right door 600 are both provided with a noise reduction piece 700, which is used to absorb the noise energy in the elevator shaft.

[0036] In this embodiment, as shown in Figure 2 , the rear side of the first transverse sealing rubber strip 110, the second transverse sealing rubber strip 210 and the first vertical sealing rubber strip 310 are all fitted with the edge of the front side of the left door 500. The rear side of the first transverse sealing rubber strip 110, the second transverse sealing rubber strip 210 and the second vertical sealing rubber strip 410 are all fitted with the edge of the front side of the right door 600, forming a multi-directional sealing barrier.

[0037] Specifically, as shown in Figure 5 , the side surface of the rubber pad 510 is provided with a plurality of mounting holes a511, which are connected with first bolts 520. The threaded end of the first bolt 520 is threadedly connected to the right side of the left door 500. The first bolt 520 is used to fasten the rubber pad 510 to the right side of the left door 500 to maintain elastic sealing.

[0038] Further, as shown in Figure 6As shown, the left side of the trapezoidal sealing block 610 is provided with a plurality of circular avoiding grooves 611, the head of the first bolt 520 is located in the circular avoiding groove 611, and the circular avoiding groove 611 is used to avoid the head of the first bolt 520 to prevent interference with the closing of the door body.

[0039] Further, in combination with Figure 7 and Figure 8 As shown, the rear side of the left door 500 is provided with a first noise reduction cavity 502, the first noise reduction cavity 502 is used to accommodate the noise reduction piece 700 to enhance the sound insulation performance of the left door 500, the rear side of the right door 600 is provided with a second noise reduction cavity 601, the second noise reduction cavity 601 is used to accommodate the noise reduction piece 700 to enhance the sound insulation performance of the right door 600, and the two noise reduction pieces 700 are located in the first noise reduction cavity 502 and the second noise reduction cavity 601 respectively.

[0040] Further, as shown in Figure 7 The rear side of the left door 500 is provided with a first rear cover plate 530 for closing the first noise reduction cavity 502, the first rear cover plate 530 is used to close the noise reduction cavity and prevent the sound insulation material from falling off, a plurality of mounting holes b531 are provided on the rear side of the first rear cover plate 530 and close to the outer edge, the mounting holes b531 are connected with the second bolts 540, the threaded end of the second bolts 540 is threadedly connected to the rear side of the left door 500, and the second bolts 540 are used to fasten the first rear cover plate 530 to the rear side of the left door 500.

[0041] Further, as shown in Figure 8 The rear side of the right door 600 is provided with a second rear cover plate 620 for closing the second noise reduction cavity 601, the second rear cover plate 620 is used to close the noise reduction cavity of the right door 600 and maintain the structural integrity, a plurality of mounting holes c621 are provided on the rear side of the second rear cover plate 620 and close to the outer edge, the mounting holes c621 are connected with the third bolts 630, the threaded end of the third bolts 630 is threadedly connected to the rear side of the right door 600, and the third bolts 630 are used to fasten the second rear cover plate 620 to the rear side of the right door 600.

[0042] The noise reduction piece 700 includes two grid plates 710 arranged in front and back symmetry, the grid plate 710 is used to fix the sound insulation plate 720 and improve the strength of the side door, the sound insulation plate 720 is provided between the two grid plates 710, the sound insulation plate 720 is a polyurethane foam plate, and the sound insulation plate 720 is used to absorb the noise in the elevator shaft and block the transmission of sound waves.

[0043] The elevator landing door sealing noise reduction structure of the embodiment, in use, first connects the top door sleeve 100 with the upper parts of the left side door 500 and the right side door 600 through the elevator landing door driving assembly, and the bottom parts of the left side door 500 and the right side door 600 are supported by the landing door sill 200 and limited in lateral displacement; the first lateral sealing rubber strip 110 is installed at the back bottom of the top door sleeve 100, the second lateral sealing rubber strip 210 is installed at the back top of the landing door sill 200, the first vertical sealing rubber strip 310 is installed at the back of the left side door sleeve 300, and the second vertical sealing rubber strip 410 is installed at the back of the right side door sleeve 400, so as to ensure that each sealing rubber strip is respectively attached to the front side edges of the left side door 500 and the right side door 600 to form a multidirectional sealing barrier; the rubber pad 510 is installed in the trapezoidal groove 501 formed in the right side of the left side door 500, and is fixed to the right side of the left side door 500 through the mounting hole a511 and the first bolt 520; the trapezoidal sealing block 610 on the left side of the right side door 600 is embedded in the trapezoidal groove 501, and avoids the head of the first bolt 520 through the circular avoiding groove 611, so as to ensure that there is no mechanical interference when closed; then the noise reduction piece 700 is installed in the first noise reduction cavity 502 at the back of the left side door 500 and the second noise reduction cavity 601 at the back of the right side door 600, the noise reduction piece 700 is composed of two grid plates 710 clamping a polyurethane foam sound insulation plate 720, finally the first back cover plate 530 is fixed at the back of the left side door 500 through the mounting hole b531 and the second bolt 540, and the second back cover plate 620 is fixed at the back of the right side door 600 through the mounting hole c621 and the third bolt 630, so as to close the noise reduction cavities and maintain the structural integrity, through the above assembly, the multiple functions of door gap sealing, noise reduction and sound absorption and mechanical buffering are realized.

[0044] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, the above embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An elevator landing door sealing noise reduction structure, comprising a top door pocket (100), a landing door sill (200), a left side door pocket (300) and a right side door pocket (400), characterized in that: The rear side of the top door cover (100) is connected with a left door (500) and a right door (600) through an elevator landing door driving assembly, the bottom of the rear side of the top door cover (100) is provided with a first transverse sealing rubber strip (110), the top of the rear side of the landing door sill (200) is provided with a second transverse sealing rubber strip (210), the right side of the rear side of the left door cover (300) is provided with a first vertical sealing rubber strip (310), the left side of the rear side of the right door cover (400) is provided with a second vertical sealing rubber strip (410), the right side of the left door (500) is provided with a trapezoidal groove (501), the right side of the left door (500) is provided with a rubber pad (510) with a shape and size matched with the trapezoidal groove (501), the left side of the right door (600) is provided with a trapezoidal sealing block (610), and the left door (500) and the right door (600) are both provided with a noise reduction piece (700).

2. The elevator landing door seal noise reduction structure of claim 1, wherein: The rear side of the first transverse sealing rubber strip (110), the second transverse sealing rubber strip (210) and the first vertical sealing rubber strip (310) is matched with the edge of the front side of the left door (500), and the rear side of the first transverse sealing rubber strip (110), the second transverse sealing rubber strip (210) and the second vertical sealing rubber strip (410) is matched with the edge of the front side of the right door (600).

3. The elevator landing door seal noise reduction structure of claim 1, wherein: A plurality of mounting holes a (511) are formed in the side surface of the rubber pad (510), the mounting holes a (511) are connected with first bolts (520), and the threaded ends of the first bolts (520) are threadedly connected to the right side of the left door (500).

4. The elevator landing door seal noise reduction structure of claim 3, wherein: A plurality of circular avoiding grooves (611) are formed in the left side of the trapezoidal sealing block (610), and the heads of the first bolts (520) are located in the circular avoiding grooves (611).

5. The elevator landing door seal noise reduction structure of claim 1, wherein: A first noise reduction cavity (502) is formed in the rear side of the left door (500), a second noise reduction cavity (601) is formed in the rear side of the right door (600), and the two noise reduction pieces (700) are located in the first noise reduction cavity (502) and the second noise reduction cavity (601) respectively.

6. The elevator landing door seal noise reduction structure of claim 5, wherein: A first rear cover plate (530) for closing the first noise reduction cavity (502) is arranged on the rear side of the left door (500), a plurality of mounting holes b (531) are formed in the rear side of the first rear cover plate (530) and close to the outer edge, the mounting holes b (531) are connected with second bolts (540), and the threaded ends of the second bolts (540) are threadedly connected to the rear side of the left door (500).

7. The elevator landing door seal noise reduction structure of claim 5, wherein: A second rear cover plate (620) for closing the second noise reduction cavity (601) is arranged on the rear side of the right door (600), a plurality of mounting holes c (621) are formed in the rear side of the second rear cover plate (620) and close to the outer edge, the mounting holes c (621) are connected with third bolts (630), and the threaded ends of the third bolts (630) are threadedly connected to the rear side of the right door (600).

8. The elevator landing door seal noise reduction structure of claim 1, wherein: The noise reduction piece (700) comprises two grid plates (710) arranged in front and back symmetry, a sound insulation plate (720) is arranged between the two grid plates (710), and the sound insulation plate (720) is a polyurethane foam plate.

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