Elevator ventilation device

Abstract

The utility model discloses an elevator ventilation device, which belongs to the field of elevator equipment and comprises an elevator body, the inner top wall of the elevator body is connected with a ventilation box, the inner bottom wall of the ventilation box is provided with two hollow columns and a first contact, springs are arranged in the two hollow columns, one end of each spring is connected with a movable column, and the other end of each spring is connected with a second contact. A second contact is installed at one end of the moving column, a dust collecting box is slidably installed at the end, away from the spring, of the moving column, a filter plate frame is installed on the vertical inner wall of the ventilation box, a first filter plate is slidably installed in the filter plate frame, and a cross rod and a guide rod are connected to the bottom of the filter plate frame; according to the elevator ventilation device, air can be filtered, detection can be conducted, the purification effect is improved, and the operation capacity of a ventilation system is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to elevator equipment field especially elevator ventilation device. BACKGROUND

[0002] At present, as the vertical transport tool commonly used in modern high-rise building, the car of elevator is usually a relatively closed space. In the process of frequent access and long time use, the air in the car is easy to become dirty, and if the ventilation is poor, it will produce peculiar smell, stuffy and other conditions, which will affect the riding experience of passengers, and even may have certain influence on the health of passengers. The traditional elevator ventilation device can meet the basic ventilation demand, but the dust collecting box used in ventilation has weak self-detection ability, poor purification effect and reduced running capacity of ventilation system.

[0003] After retrieval, Chinese patent document (authorized announcement number CN212863735U), the utility model discloses elevator ventilation device, including base, bucket cover and observation port, the top of elevator and bearing, the middle part inboard of the top of elevator is installed with air exchange fan, and the middle part outside of the top of elevator is provided with air exchange, the top of elevator's upper right side is installed with smoke sensor, and the bottom of the top of elevator is placed with base, the outside of base is provided with air hole, and the upper end side of base is provided with guide rail, the upper end of guide rail is connected with movable plate, and the bottom of movable plate is provided with gear slot, the upper end rear portion of base is placed with oxygen tank, and the right side of oxygen tank is connected with guide pipe, the lower end of guide pipe is placed with seal cover, and the inboard of seal cover is provided with louver, bearing is placed in the upper end front portion of base, and the inboard of bearing is connected with rotating shaft. The elevator ventilation device is provided with movable connection movable plate, effectively controls the opening and closing of air hole, thereby improves the fire safety performance of elevator, the elevator ventilation device can meet the basic ventilation demand, but the dust collecting box used in ventilation has weak self-detection ability, poor purification effect and reduced running capacity of ventilation system. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of elevator ventilation device to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of elevator ventilation device, including elevator body, the inner top wall of elevator body is connected with ventilation box, the inner bottom wall of ventilation box is installed with two hollow columns and contact one, the inside of two hollow columns is provided with spring, one end of spring is connected with mobile column, one end of mobile column is installed with contact two, the end of mobile column away from spring is slidably installed with dust collecting box, the vertical inner wall of ventilation box is installed with filter plate holder, the inside of filter plate holder is slidably installed with first filter plate, the bottom of filter plate holder is connected with cross bar and guide rod, the vertical inner wall of ventilation box is welded with two support plates.

[0006] Preferably, the vertical inner wall of the ventilation box is provided with a motor, and an output shaft of the motor is connected with a cam through a shaft coupling.

[0007] Preferably, the vertical inner wall of the ventilation box is welded with two guide plates, the side surface of the guide plate is provided with a sliding groove, and the second filter plate is slidably arranged in the sliding groove.

[0008] Preferably, the ventilation box is provided with an air outlet for ventilation on both sides, and a fan is arranged in the air outlet.

[0009] Preferably, the top of the elevator body is provided with an air inlet box, and the air inlet box is provided with an air inlet on both sides.

[0010] Preferably, the arc-shaped block is arranged at the end of the horizontal rod away from the filter plate frame.

[0011] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0012] The dust collecting box of the elevator ventilation device has the structure that when dust accumulates too much in the dust collecting box, the dust collecting box is pressed to move the column, the column extrudes the spring, the contact one and the contact two are finally contacted, and a signal is sent, so that the dust collecting box can be taken out in time for cleaning.

[0013] The dust collecting box of the elevator ventilation device has the structure that when dust accumulates too much in the dust collecting box, the dust collecting box is pressed to move the column, the column extrudes the spring, the contact one and the contact two are finally contacted, and a signal is sent, so that the dust collecting box can be taken out in time for cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the ventilation box of the utility model;

[0017] It is a structural schematic diagram of the ventilation box of the utility model;Figure 3 is a sectional view of the ventilation box of the utility model;

[0018] Figure 4 is the utility model Figure 3 is an enlarged view of A in the middle.

[0019] Explanation of reference signs:

[0020] In the drawing: 1, elevator body; 2, air inlet box; 201, air inlet; 3, ventilation box; 301, air outlet; 302, fan; 303, filter plate frame; 304, first filter plate; 305, cross rod; 306, arc block; 307, guide rod; 308, support plate; 309, guide plate; 4, dust collection box; 401, moving column; 402, hollow column; 403, contact one; 404, contact two; 405, spring; 406, sliding slot; 407, second filter plate; 5, motor; 501, cam. DETAILED DESCRIPTION

[0021] In the following description, numerous specific details are given to provide a thorough understanding of the utility model. However, it will be apparent to one of ordinary skill in the art that the utility model can be practiced without one or more of these details. In other instances, well-known features are not described in detail to avoid obscuring the utility model.

[0022] The connecting mode can adopt existing modes such as bonding, welding, bolt connection and the like, and the actual needs are accurate.

[0023] For example, Figures 1 to 4The elevator ventilation device shown comprises an elevator body 1, the inner top wall of the elevator body 1 is connected with a ventilation box 3, the inner bottom wall of the ventilation box 3 is installed with two hollow columns 402 and a contact one 403, the inside of the two hollow columns 402 is provided with a spring 405, one end of the spring 405 is connected with a moving column 401, one end of the moving column 401 is installed with a contact two 404, the end of the moving column 401 away from the spring 405 is slidingly installed with a dust collecting box 4, when the dust in the dust collecting box 4 accumulates too much, the permeability of the dust collecting box 4 becomes weak, the dust collecting box 4 presses down the moving column 401, the moving column 401 extrudes the spring 405, finally the contact one 403 and the contact two 404 are in contact, a signal is sent, the dust collecting box 4 can be taken out in time for cleaning, the structure that the contact one 403 and the contact two 404 are in contact and send a signal can refer to the dust collecting box full material reminding mechanism, the two contacts are made of conductive metal material (such as copper sheet), when moving downward to a certain degree under the action of dust accumulation, the trigger plate will contact the contact one 403 and the contact two 404, making them conductive, and then triggering the subsequent signal generation action. The installation height of the contact one 403 and the contact two 404 determines the amount of dust accumulation when the dust collecting box 4 is reminded to be cleaned, which can be accurately adjusted according to the actual situation. The side of the ventilation box 3 is installed with a signal generating device, which mainly comprises a power supply (generally a small battery, such as a dry battery, which provides power for the entire signal generating circuit), a control circuit (including microcontrollers, logic gate circuits and other electronic components, which can process and judge the conductive signals transmitted by the contacts). When the contact one 403 and the contact two 404 are in contact and conductive, the circuit forms a loop, the control circuit will receive the corresponding electrical signal, after internal logical judgment and other processing, the trigger signal will be converted into a standard signal that can be recognized and responded by the subsequent prompt device, and then transmitted to the prompt device to start the reminding function. The vertical inner wall of the ventilation box 3 is installed with a filter plate rack 303, the inside of the filter plate rack 303 is slidingly installed with a first filter plate 304, the bottom of the filter plate rack 303 is connected with a cross bar 305 and a guide rod 307, the end of the cross bar 305 away from the filter plate rack 303 is installed with an arc block 306, the vertical inner wall of the ventilation box 3 is welded with two support plates 308.

[0024] The vertical inner wall of the ventilation box 3 is installed with a motor 5, the output shaft of the motor 5 is connected with a cam 501 through a shaft coupling, after a period of time, the motor 5 is started, the motor 5 drives the cam 501 to rotate, the cam 501 contacts the edge of the arc block 306, under the action of gravity, the filter plate rack 303 reciprocates in the direction of the guide rod 307, shakes part of the dust on the first filter plate 304, and finally falls into the dust collecting box 4.

[0025] The vertical inner wall of the ventilation box 3 is welded with two guide plates 309, the side surface of the guide plate 309 is provided with a sliding groove 406, the inner part of the sliding groove 406 is slidably provided with a second filter plate 407, the two sides of the ventilation box 3 are provided with air outlets 301 for ventilation, the inner part of the air outlet 301 is provided with a fan 302, the air contacts the first filter plate 304, the first filter plate 304 filters the air for the first time, the filtered air passes through the dust collecting box 4 and the second filter plate 407, and finally is discharged from the air outlet 301 to replace and update the air inside the elevator body 1.

[0026] The top of the elevator body 1 is provided with an air inlet box 2, the two sides of the air inlet box 2 are provided with air inlets 201, the fan 302 is started, the air at the top of the elevator body 1 enters the ventilation box 3 from the air inlet 201, the first filter plate 304 and the second filter plate 407 used in the elevator ventilation device are made of synthetic materials, such as polypropylene, polytetrafluoroethylene and the like, have good chemical stability, corrosion resistance and mechanical strength, can be made into high-efficiency filter membranes or filter plates, and are widely used in occasions with high requirements on filtering precision.

[0027] Working principle

[0028] The elevator ventilation device, when in use, the fan 302 is started, the air at the top of the elevator body 1 enters the ventilation box 3 from the air inlet 201, the air contacts the first filter plate 304, the first filter plate 304 filters the air for the first time, the filtered air passes through the dust collecting box 4 and the second filter plate 407, and finally is discharged from the air outlet 301 to replace and update the air inside the elevator body 1, after a period of time, the motor 5 is started, the motor 5 drives the cam 501 to rotate, the cam 501 contacts the edge of the arc-shaped block 306, under the action of gravity, the filter plate frame 303 reciprocates in the direction of the guide rod 307, and part of the dust on the first filter plate 304 is shaken and finally falls into the dust collecting box 4, when the dust in the dust collecting box 4 accumulates too much, the permeability of the dust collecting box 4 becomes weak, the dust collecting box 4 presses the moving column 401, the moving column 401 extrudes the spring 405, finally the contact point one 403 contacts the contact point two 404, and a signal is sent, so that the dust collecting box 4 can be taken out in time for cleaning.

[0029] It should be noted that, in the present document, relational terms such as one and the other and at least one of are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying that each modified entity or action must exist separately from another entity or action.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An elevator ventilation arrangement comprising an elevator body (1), characterized by: The inner top wall of the elevator body (1) is connected with a ventilation box (3), the inner bottom wall of the ventilation box (3) is provided with two hollow columns (402) and a contact one (403), the inside of the two hollow columns (402) is provided with a spring (405), one end of the spring (405) is connected with a moving column (401), one end of the moving column (401) is provided with a contact two (404), the end, away from the spring (405), of the moving column (401) is slidably provided with a dust collecting box (4), the vertical inner wall of the ventilation box (3) is provided with a filter plate frame (303), the inside of the filter plate frame (303) is slidably provided with a first filter plate (304), the bottom of the filter plate frame (303) is connected with a cross rod (305) and a guide rod (307), and the vertical inner wall of the ventilation box (3) is welded with two supporting plates (308).

2. An elevator ventilation arrangement according to claim 1, characterized in that The vertical inner wall of the ventilation box (3) is provided with a motor (5), and the output shaft of the motor (5) is connected with a cam (501) through a shaft coupling.

3. An elevator ventilation arrangement according to claim 2, characterized in that: The vertical inner wall of the ventilation box (3) is welded with two guide plates (309), the side of the guide plate (309) is provided with a sliding groove (406), and the inside of the sliding groove (406) is slidably provided with a second filter plate (407).

4. An elevator ventilation arrangement according to claim 2, characterized in that: Both sides of the ventilation box (3) are provided with air outlets (301) for ventilation, and the inside of the air outlet (301) is provided with a fan (302).

5. An elevator ventilation arrangement according to claim 1, characterized in that: The top of the elevator body (1) is provided with an air inlet box (2), and both sides of the air inlet box (2) are provided with air inlets (201).

6. An elevator ventilation arrangement according to claim 1, characterized in that: The end, away from the filter plate frame (303), of the cross rod (305) is provided with an arc-shaped block (306).

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