CN112811284B

CN112811284B - Ventilation filtering elevator

Info

Publication number: CN112811284B
Application number: CN202110059444.2A
Authority: CN
Inventors: 邓航
Original assignee: Chongqing Xin'anjie Elevator Co ltd
Current assignee: Chongqing Xin'anjie Elevator Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2022-10-11
Anticipated expiration: 2041-01-15
Also published as: CN112811284A

Abstract

The invention relates to the field of vertical elevators, in particular to a ventilation and filtration elevator which comprises a car main body, two car air guide side walls, a bottom ventilation plate and an oxygen cylinder, wherein a plurality of vent holes are formed in the side walls of the car main body; the car main part top still is equipped with air inlet portion and goes out the wind portion on and, bottom ventilating board below is equipped with down air inlet portion and air-out portion down, go up air inlet portion, lower air inlet portion and be used for the inhaled air, go up air-out portion, air-out portion down and be used for the exhaust air. The interior of the lift car is communicated with the exterior of the lift car, and the ventilation sections of the air inlet and the air outlet are large, so that the ventilation in the lift car is better, the resistance on the lift car when the lift goes up and down can be reduced, and the air can be filtered in a one-way mode when the lift runs.

Description

Ventilation filter elevator

Technical Field

The invention relates to the field of vertical lifting elevators, in particular to a ventilation filtering elevator.

Background

The elevators are divided into step elevators and vertical lift elevators, serving a number of specific floors within the building; a step elevator, in which a step plate is installed on a track to continuously run, commonly called an escalator or a moving sidewalk, and serves fixed lifting equipment of a specified floor; the vertical lift has a car which runs on at least two rigid tracks which are perpendicular to the horizontal plane or inclined at an angle of less than 15 DEG to the vertical, the car being dimensioned and configured to facilitate the passage of passengers in and out of or the loading and unloading of goods. Regardless of the driving mode, the elevator as a vertical transportation means in a building is an integral part of people's life nowadays.

Most of the existing vertical lifting elevators adopt a mechanical air supply mode to ventilate an elevator car, but the air supply mode also has some problems: 1. the air in the elevator shaft has strong oil smell and iron rust smell and is accompanied with a large amount of floccules and dust, and the air sent into the elevator car through the fan is not filtered, so that the air quality in the elevator car is greatly influenced. 2. For the beauty and convenience in the elevator car, the vent holes are generally arranged at the top of the elevator car, and because the elevator car is in a closed state during operation, air flowing through small gaps on the periphery of the elevator car is limited, the circulation of the air inside and outside the elevator car is not good, and meanwhile, the resistance to the elevator is relatively large, so that the useless power consumption of the elevator is increased.

Disclosure of Invention

The invention aims to provide a ventilation filtering elevator, which solves the problems that the external air and the internal air of the traditional elevator are not communicated and the air entering the elevator cannot be filtered, and simultaneously solves the problem that the air resistance cannot be reduced when the elevator runs.

In order to solve the technical problems, the technical means of the ventilation and filtration elevator adopted by the invention are as follows: the elevator car comprises a car body, two car air guide side walls and a bottom ventilating plate, wherein a plurality of ventilation holes are formed in the side walls of the car body, the car air guide side walls and the bottom ventilating plate form a ventilation interlayer, an oxygen bottle is arranged on the car body, and an oxygen guide pipe arranged on the oxygen bottle penetrates into the car body; an alarm switch is also arranged in the elevator car; the car air guide side wall is an air-tight elastic membrane, the elastic membrane is hermetically connected with the car main body and the bottom ventilating plate, an upper ventilation opening and an upper air outlet are also arranged above the car main body, and a lower ventilation opening and a lower air outlet are arranged below the bottom ventilating plate; the upper air inlet part, the upper air outlet part, the lower air inlet part and the lower air outlet part are respectively and correspondingly arranged on the upper air vent, the upper air outlet, the lower air vent and the lower air outlet; go up air inlet portion and lower air inlet portion longitudinal symmetry setting, go up air inlet portion including the vent outer edge, fixed ventilating board, activity ventilating board, filter layer, closing spring, oxygen branch pipe, piston lock round pin, fixed ventilating board is fixed outside the air intake along last, the filter layer is located the upper surface of fixed ventilating board, activity ventilating board is fixed in car main part top through a plurality of closing springs, make fixed ventilating board and activity ventilating board paste outside the air outlet along last when closing spring is static, cover the air outlet after the air outlet lid upset and follow outward.

The ventilation filtering elevator in the technical scheme has the following technical advantages: <xnotran> ( : , , , ; , , , , , , , , , , , , , , , , , , , , , , , , , ; , , , </xnotran> The upper air outlet part is used for discharging air, and the difference is that the upper air outlet cover can be automatically reset under the self gravity without a reset spring; when the elevator breaks down and a passenger is locked in the elevator, the passenger can control the alarm to send a distress signal by opening the alarm switch in the elevator car, the alarm switch simultaneously opens the valve switch of the oxygen cylinder, a part of oxygen in the oxygen cylinder enters the elevator car, a part of oxygen in the fresh oxygen cylinder is provided for the elevator car to enter the oxygen branch pipe, and a piston pin in the oxygen branch pipe is pushed to move; air entering the car enters the ventilation interlayer from the ventilation holes in the side wall of the car body, and the ventilation holes in the side wall are not easy to accumulate dust and floccules to cause blockage; the car body, the car air guide side wall and the bottom ventilation plate form a ventilation interlayer, the car air guide side wall is made of flexible air-tight materials, when air is introduced into the ventilation interlayer, the air can expand and increase along with the pressure intensity of the air, the air can conveniently enter the ventilation interlayer to circulate, and smooth transition is realized at corners so that the air circulation is smoother; the oxygen cylinder is arranged above the lift car, the upper air inlet part and the lower air inlet part can be closed in time by matching with the alarm switch, and the oxygen cylinder supplies oxygen to the lift car and enables the interior of the lift car to be in positive pressure so as to prevent outside air from entering.

Preferably, in order to make the air outlet lid of air-out portion under can normally reset after the exclusion of air, the balanced gravity of falling the air outlet lid simultaneously prevents that the air outlet lid from covering the vent and producing the gap when following outward, is provided with reset spring between the inner wall and the air outlet lid on the outer edge of air outlet down.

Preferably, the fixed ventilating plate and the movable ventilating plate are provided with holes which are not communicated after being attached, when the fixed ventilating plate and the movable ventilating plate are attached, the fixed ventilating plate can be better sealed, and the upper air inlet part plays a role in one-way air inlet.

Preferably, in order to reduce weight and cost and better trigger the upper air inlet part to play a one-way air inlet function, a fixed ventilating plate and a movable ventilating plate which are made of plastic plates, foam plates, aluminum alloys or wood plates are arranged.

Preferably, the oxygen outlet of the oxygen duct in the car is provided with a divergent circular table surface, so that the oxygen can be better diffused into the car.

Preferably, in order to prevent the two sides of the air bag from increasing all the time due to expansion, a plurality of stay ropes for limiting expansion are arranged between the elastic membrane and the side wall of the car body.

Preferably, in order to better seal the outer edge of the air outlet, an air outlet cover with the area more than or equal to 1.1 times of the area of the outer edge of the air outlet is arranged.

Preferably, be provided with the rubber layer in the one side of the outer laminating of edge of air outlet lid and air outlet, the outer edge of sealed air outlet that can be better weakens the noise that air outlet lid and the outer edge striking of air outlet produced simultaneously.

Drawings

FIG. 1 is an overall profile view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a bottom view of the present invention;

FIG. 5 is a schematic view of the upper inlet portion of the present invention in operation;

FIG. 6 is a schematic view of the upper inlet portion of the present invention in a static state;

FIG. 7 is a schematic view of the lower air inlet portion of the present invention during operation;

FIG. 8 is a schematic view of the lower air inlet portion of the present invention in a static state;

FIG. 9 is a top view of a fixed ventilation board of the present invention;

FIG. 10 is a top view of a movable vent panel of the present invention;

FIG. 11 is a schematic view of the upper outlet portion of the present invention in a static state;

FIG. 12 is a schematic view of the upper air outlet portion of the present invention;

FIG. 13 is a schematic view of the lower outlet portion of the present invention in a static state;

FIG. 14 is a schematic view of the lower air outlet portion of the present invention during operation;

fig. 15 is a schematic view of the car air guide side wall of the present invention.

The main elements in the figures are illustrated by the following symbols:

1. a car body; 2. a car air guide side wall; 3. a bottom vent panel; 4. a vent hole; 5. an oxygen cylinder;

6. an upper air inlet part; 61. fixing a ventilation board; 62. a movable ventilation board; 63. a filter layer; 64. a closing spring; 65. an oxygen branch pipe; 66. a piston lock pin; 67. the outer edge of the air inlet;

7. an upper air outlet part; 71. an air outlet cover; 72. the outer edge of the air outlet;

8. a lower air inlet part;

9. a lower air outlet part; 91. a return spring.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, the ventilation filtering elevator comprises a car body 1, two car air guide side walls 2, a bottom ventilation plate 3 and an oxygen cylinder 5, wherein a plurality of ventilation holes 4 are formed in the side wall of the car body 1, the total area of the ventilation holes 4 is not less than one tenth of the area of the side wall of the car body 1, the car body 1 and the car air guide side walls 2 and the bottom ventilation plate 3 form a ventilation interlayer, air enters the ventilation interlayer from the ventilation holes 4 and then flows out from the bottom ventilation plate 3, the oxygen cylinder 5 is positioned above the car body 1, an oxygen guide pipe arranged on the oxygen cylinder 5 penetrates into the car body 1, an oxygen outlet of the oxygen guide pipe in the car is provided with a divergent circular table surface, and an alarm switch is further arranged in the elevator car and used for controlling a valve switch and an alarm for opening the oxygen cylinder.

As shown in fig. 3, an upper vent and an upper air outlet are also arranged above the car body 1, and as shown in fig. 4, a lower vent and a lower air outlet are arranged below the bottom ventilation board 3; an upper air inlet part 6, an upper air outlet 7, a lower air inlet part 8 and a lower air outlet part 9 are respectively and correspondingly arranged on the upper ventilation opening, the upper air outlet, the lower ventilation opening and the lower air outlet.

As shown in fig. 5, 6, 7 and 8, the upper air inlet portion 6 and the lower air inlet portion 8 are arranged up and down symmetrically, the upper air inlet portion 6 comprises an air vent outer edge, a fixed ventilating plate 61, a movable ventilating plate 62, a filter layer 63, a closed spring 64, an oxygen branch pipe 65 and a piston lock pin 66, the filter layer 63 is positioned on the upper surface of the fixed ventilating plate 61, one end of the filter layer 63 far away from the fixed ventilating plate 61 is provided with a filtering wire net, the filter layer 63 is preferably a honeycomb filter screen plate made of activated carbon, the mesh size of the filter screen is 1mm, the fixed ventilating plate 61 is fixed on the air inlet outer edge 67, the movable ventilating plate 62 is fixed above the car main body 1 through a plurality of closed springs 64, the fixed ventilating plate 61 is attached to the movable ventilating plate 62 when the closed springs 64 are static, and the closed springs 64 in the lower air inlet portion 8 are fixed on the bottom ventilating plate 3; oxygen branch pipe 65 one end is connected on the oxygen pipe of oxygen cylinder 5, and one end runs through on vent outer edge 67, and piston lock pin 66 is installed in oxygen branch pipe 65, is equipped with the blind hole that corresponds with piston lock pin 66 on the activity ventilating board 62, and piston lock pin 62 is used for pinning the activity ventilating board when fixed ventilating board 61 and the laminating of activity ventilating board 62.

As shown in fig. 9 and 10, the fixed ventilation board 61 and the movable ventilation board 62 are provided with holes for ventilation, the holes for ventilation on the fixed ventilation board 61 and the movable ventilation board 62 are staggered, the holes for ventilation are not communicated when the fixed ventilation board 61 and the movable ventilation board 62 are attached, and the fixed ventilation board 61 and the movable ventilation board 62 are preferably foam boards; for convenience of explanation, in this embodiment, the holes on the fixed ventilation board 61 and the movable ventilation board 62 are distributed in a circumferential array manner, the array angle is 60 degrees in the embodiment, the fixed ventilation board 61 and the movable ventilation board 62 are staggered by 30 degrees, there is no limitation on the total area, the number, and the size of the corresponding holes, and on the premise that the holes are not communicated after the fixed ventilation board 61 and the movable ventilation board 62 are attached, the larger the total area of the holes is, the better the holes are.

As shown in fig. 11, 12, 13 and 14, the upper air outlet portion 7 includes an air outlet outer edge 72 and an air outlet cover 71, the air outlet cover 71 is hinged to the air outlet outer edge 72, the air outlet cover 71 covers the air outlet outer edge 72 after being turned over, the area of the air outlet cover 71 is preferably 1.1 times of the area of the air outlet outer edge 72, and a circular rubber pad with a thickness of 0.3mm is preferably arranged on the surface of the air outlet cover 71 attached to the air outlet outer edge 72; the upper air outlet portion 7 and the lower air outlet portion 9 are arranged in an up-and-down symmetrical manner, and the difference is that in the lower air outlet portion, the inner wall of the outer edge of the lower air outlet is connected with the air outlet cover 71 through a return spring 91.

As shown in fig. 15, the two car wind guiding side walls 2, the car main body 1 and the bottom ventilation plate 3 form a schematic view of a ventilation interlayer, the car wind guiding side walls 2 are preferably stainless steel templates or flexible and airtight high-strength elastic membranes, such as thermoplastic elastomers TPE with a thickness of not less than 0.5mm, in this embodiment, the high-strength elastic membranes are adopted, and are hermetically connected with the car main body 1 and the bottom ventilation plate 3, and a plurality of limiting and expanding pull ropes are arranged between the elastic membranes and the side walls of the car main body 1.

In conclusion, the upper part and the lower part of the lift car are ventilated through the lift car and the formed ventilation interlayer, the cross section area of ventilation is large, and the resistance of the lift car during operation can be reduced; the upper air inlet part and the lower air inlet part can filter air and purify the air entering the lift car; when the elevator breaks down, the oxygen cylinder can supply oxygen to the interior of the lift car, and the upper air inlet part and the lower air inlet part are closed at the same time, so that the interior of the lift car is kept at positive pressure, and external oxygen is prevented from entering the lift car; car wind-guiding lateral wall can not only reduce the hindrance to the air for thermoplastic elastomer TPE film, can also stretch out and draw back along with the pressure expansion of air, and the air of being convenient for circulates smoothly, and the transition that can be level and smooth in the air turn makes the circulation of air more smooth and easy.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A ventilation filtering elevator is characterized in that: the elevator car air guide device comprises a car body, two car air guide side walls and a bottom ventilation plate, wherein the two car air guide side walls and the bottom ventilation plate are positioned outside a car, a plurality of ventilation holes are formed in the side walls of the car body, the car air guide side walls and the bottom ventilation plate form a ventilation interlayer, the car air guide side walls are air-tight elastic membranes, the elastic membranes are hermetically connected with the car body and the bottom ventilation plate, oxygen cylinders are arranged on the car body, and oxygen guide pipes arranged on the oxygen cylinders penetrate into the car body; an alarm switch is also arranged in the elevator car;

an upper vent and an upper air outlet are also arranged above the car main body, and a lower vent and a lower air outlet are arranged below the bottom ventilation plate; the upper ventilation opening, the upper air outlet, the lower ventilation opening and the lower air outlet are respectively and correspondingly provided with an upper air inlet part, an upper air outlet part, a lower air inlet part and a lower air outlet part;

the upper air inlet part comprises an outer edge of an air inlet, a fixed ventilating plate, a movable ventilating plate, a filter layer, a sealing spring, an oxygen branch pipe and a piston lock pin, the fixed ventilating plate is fixed on the outer edge of the air inlet, the filter layer is positioned on the upper surface of the fixed ventilating plate, the movable ventilating plate is fixed above the car main body through the sealing springs, the fixed ventilating plate is attached to the movable ventilating plate when the sealing springs are static, and holes for ventilation are formed in the fixed ventilating plate and the movable ventilating plate; one end of the oxygen branch pipe is connected to an oxygen guide pipe of the oxygen bottle, the other end of the oxygen branch pipe penetrates through the outer edge of the vent, the piston lock pin is installed in the oxygen branch pipe, a blind hole corresponding to the piston lock pin is formed in the movable ventilating plate, and the piston lock pin is used for locking the movable ventilating plate when the fixed ventilating plate is attached to the movable ventilating plate;

the upper air outlet part and the lower air outlet part comprise an air outlet outer edge and an air outlet cover, the air outlet cover is hinged to the air outlet outer edge, and the air outlet cover covers the air outlet outer edge after being turned over; the holes on the fixed ventilating plate and the movable ventilating plate are staggered with each other, so that the holes for ventilation are not communicated when the fixed ventilating plate and the movable ventilating plate are attached; a plurality of limiting and expanding pull ropes are arranged between the elastic film and the side wall of the car body.

2. A ventilation filtering elevator according to claim 1, characterized in that: go up air-out portion and lower air-out portion longitudinal symmetry setting, the difference lies in that the inner wall on lower air outlet outer edge is connected through the reset spring who is equipped with the air outlet lid.

3. A ventilation filtering elevator according to claim 1, characterized in that: the fixed ventilating plate and the movable ventilating plate are plastic plates, foam plates, aluminum alloys or wood plates.

4. A ventilation filtering elevator according to claim 1, characterized in that: the alarm switch is used for controlling a valve switch and an alarm for opening the oxygen cylinder.

5. A ventilation filtering elevator according to claim 1, characterized in that: the oxygen outlet of the oxygen conduit in the lift car is provided with a divergent circular table surface.

6. A ventilation filter elevator according to claim 1, characterized in that: one end of the filtering layer far away from the fixed ventilating plate is provided with a filtering wire mesh.

7. A ventilation filtering elevator according to claim 1, characterized in that: and a closed spring in the lower air inlet part is fixed on the bottom ventilation board.

8. A ventilation filtering elevator according to claim 1, characterized in that: the area of the air outlet cover is more than or equal to 1.1 times of the area of the outer edge of the air outlet; and a rubber layer is arranged on one surface of the air outlet cover, which is attached to the outer edge of the air outlet.