CN218371145U - Elevator car ventilation mechanism - Google Patents

Abstract

The utility model provides an elevator car ventilation mechanism relates to elevator ventilation technical field, including the dryer, on elevator car tank wall was located to the dryer, its one side towards in the car was equipped with the vent, and articulated towards one side outside the car has filter unit, is equipped with the fan between vent and the filter unit, is connected with linear drive device on the filter unit, and linear drive device is used for making filter unit follow articulated department and rotates and lift, is located and is equipped with the cleaning device who is used for cleaning filter unit on filter unit's the rotation route. The utility model discloses a set up the filter screen into rotatable to set up cleaning device on its rotation route, thereby use after the longer time and when taking place to block up as the filter screen, can make filter unit rotate to cleaning device department, clean the filter screen. Need not to dismantle the filter screen and clear up, need not artifical entering well operation, need not the elevator and stop, very big improvement the filter screen cleaning work's convenience, improved ventilation mechanism's effective cycle.

Description

Elevator car ventilation mechanism

Technical Field

The utility model belongs to the technical field of the elevator ventilation technique and specifically relates to an elevator car ventilation mechanism is related to.

Background

The elevator car is the box space that the elevator was used for bearing and transporting personnel and goods and materials, and in order to keep fresh air, need set up ventilation system in the elevator car, and the ventilation mechanism of most cars all installs at the car top, carries out air convection through ventilation fan blowing and takes a breath.

The following are some relevant prior art:

CN 212740337U-an elevator ventilation structure, the technical scheme of record includes the updraft ventilator that is located the elevator top, is equipped with the filter layer on the updraft ventilator for prevent debris by the suction in the elevator car. The technology has the obvious defect that after the filter screen is used for a long time, the filter screen is inevitably blocked by sundries, so that the ventilation is not smooth.

CN 210619933U-a ventilation unit for elevator, the technical scheme of record includes the fan of breathing in and filter screen, and the filter screen is used for preventing debris to get into in the elevator car equally, and the characteristics are that it sets up a structure that the filter screen is easily dismantled to be convenient for clear up the filter screen, solved the filter screen jam problem. The prior art has the disadvantages that the mode of cleaning the filter screen is still complex, the filter screen can be detached only by operating a maintenance worker in the elevator shaft or at least stopping the elevator, and certain labor cost is required.

In summary, in the prior art, ventilation in the elevator car is mostly realized by an air draft and suction device, and the arrangement of the filter screen prevents impurities such as dust in the elevator shaft from being sucked into the elevator car, so that the method is a common method. Meanwhile, the filter screen is easy to block after being used for a long time, so that the ventilation effect is influenced, and the problem is also obvious.

The disadvantage of the prior art is that after the existing blower for the elevator car is used for a long time, the filter screen of the existing blower is blocked by dust, so that the ventilation is not smooth (such as the above-mentioned CN 212740337U), or the ventilation structure of the filter screen is inconvenient to clean (such as the above-mentioned CN 210619933U).

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an elevator car ventilation mechanism which can more conveniently clean a filter screen and improve the ventilation effect;

the utility model provides an elevator car ventilation mechanism, including the dryer, on the elevator car tank wall was located to the dryer, its one side towards the car was equipped with the vent, and articulated towards one side outside the car have a filter unit, the vent with be equipped with the fan between the filter unit, the last linear drive device that is connected with of filter unit, linear drive device is used for making filter unit rotate along articulated department and lifts, is located be equipped with the cleaning device who is used for cleaning filter unit on filter unit's the rotation route.

Further, cleaning device includes the mounting panel, the mounting panel is close to one side of filter unit is equipped with the mounting groove, rotatable clean dish that is equipped with in the mounting groove, be equipped with a plurality of clean brush hairs on the clean dish.

Further, the mounting groove bottom is equipped with the waste discharge mouth, the waste discharge mouth passes through the adapter sleeve and can dismantle with the storage bucket of below and be connected.

Furthermore, the mounting panel back is equipped with and is used for the drive clean dish pivoted motor, the waste discharge opening sets up the below of clean brush hair.

Further, the cleaning disc is positioned at a position where the filter screen device rotates upwards to be not less than a right angle.

Furthermore, the filter screen device comprises a connecting cover, the connecting cover is hinged to the end part of the air duct through a hinge mechanism, and the connecting cover is hollow and used for installing the filter screen.

Furthermore, connect and cover and be equipped with an axial convex shoulder hole, the shoulder hole can insert in the mounting groove, the shoulder hole is equipped with the filter screen along detachable outward.

Furthermore, the linear driving device is an electric push rod, one end of the electric push rod is hinged with the outer wall of the elevator car, and the other end of the electric push rod is hinged with the connecting cover.

Furthermore, a suspended ceiling is arranged at the top of the elevator car, the ventilation opening is formed in the bottom of the suspended ceiling, and the air duct is arranged at the top of the suspended ceiling and corresponds to the ventilation opening.

Furthermore, the ventilation louver is arranged on the ventilation opening.

The technical scheme of the utility model through set up filter screen device into the hinge structure that can lift to set up cleaning device on its rotation route, thereby when the filter screen uses after the longer time and when taking place to block up, can utilize linear drive device drive filter screen device to rotate to cleaning device department, clean the filter screen, after sweeping debris, linear drive device retrieves and makes filter screen device get back to operating position can. Whole process need not to dismantle the filter screen and clears up, need not artifical entering well operation, need not the elevator and shuts down, compares in prior art, very big improvement the filter screen clearance work the convenience, improved ventilation mechanism's effective cycle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the upper structure of the car of the present invention;

fig. 3 is a side view of the upper part of the car of the present invention;

FIG. 4 is a schematic view of the structure of the filtering net device of the present invention;

FIG. 5 is a schematic structural view of the cleaning device of the present invention;

fig. 6 is a side sectional view of the cleaning device of the present invention.

Description of the reference numerals:

1-a car;

2-an air duct and 201-a fan;

3-ventilation opening, 301-ventilation louver;

4-filter screen device, 401-connecting cover, 402-filter screen, 403-stepped hole, 404-filter screen frame, 405-fixed block, 406-hinged block and 407-connecting block;

5-a linear driving device, 501-an electric push rod and 502-an installation block;

6-cleaning device, 601-mounting plate, 602-mounting groove, 603-cleaning disc, 604-cleaning brush hair, 605-waste discharge port, 606-connecting sleeve, 607-material storage barrel, 608-motor and 609-support rod;

7-ceiling;

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "coupled" are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1-3, the utility model provides an elevator car 1 ventilation mechanism, including dryer 2, on elevator car 1 tank wall was located to dryer 2, it was equipped with vent 3 towards one side in the car 1, and articulated towards one side outside the car 1 have filter unit 4, was equipped with fan 201 between vent 3 and the filter unit 4, was connected with linear drive device 5 on the filter unit 4, and linear drive device 5 is used for making filter unit 4 rotate along articulated department and lifts, was located to be equipped with the cleaning device 6 that is used for cleaning filter unit 4 on filter unit 4's the rotation route.

Specifically, the air duct 2 is used for ventilating air with the inside of the car 1, and may be located at any position of the car 1, such as the top or the side. In a preferred embodiment, since there is a large space in the elevator shaft above the car 1, the present embodiment 1 will be described with the air duct 2 provided on the top of the car 1. The top of the body of the car 1 is fixedly provided with an air duct 2 in a penetrating way, the air duct 2 is internally provided with a fan 201 used for supplying air to the car 1, the fan 201 is driven to rotate by a driving motor (the driving motor can also be arranged in the air duct 2), and the upper part of the air duct 2 is provided with a filter screen device 4 used for preventing dust in the elevator shaft from being sent into the car 1 by the fan 201. The certain position of the filter screen device 4 is hinged with the air duct 2, so that the filter screen device 4 can rotate around the hinged position and the other end of the filter screen device can be lifted upwards, when the filter screen device 4 reaches a certain angle after being lifted by rotation, the filter screen device just contacts with the cleaning device 6, the cleaning device 6 cleans dust on the filter screen device 4, and after the cleaning is completed, the filter screen device 4 reversely rotates to return to the air duct 2 to continuously filter air in the lift car 1. The rotation process is controlled by a linear driving device 5, such as an electric push rod 501, a pneumatic rod, a hydraulic rod, etc., and both ends of the linear driving device 5 are respectively hinged with the outer wall of the elevator car 1 and the filter screen device 4, so that when the linear driving device 5 extends or retracts, the filter screen device 4 rotates along with the linear driving device.

Example 2

Example 2 specifically describes the cleaning device 6.

As shown in fig. 5-6, the sweeping device 6 includes a mounting plate 601, a mounting groove 602 is formed on a side of the mounting plate 601 adjacent to the filter screen device 4, a cleaning plate 603 is rotatably disposed in the mounting groove 602, and a plurality of cleaning bristles 604 are disposed on the cleaning plate 603. The bottom of the installation groove 602 is provided with a waste discharge port 605, and the waste discharge port 605 is detachably connected with a material storage barrel 607 below through a connecting sleeve 606. The mounting plate 601 is provided at the rear thereof with a motor 608 for rotating the cleaning disk 603, and a waste discharge port 605 is provided below the cleaning bristles 604. The cleaning tray 603 is located at a position where the strainer device 4 is rotated upward at not less than a right angle.

Specifically, a mounting plate 601 is fixed to the position, close to the air duct 2, of the upper portion of the car 1, support rods 609 are fixed to two sides of the bottom of the mounting plate 601, and lower ends of the support rods 609 are fixed to the upper portion of the car 1. A mounting groove 602 (preferably a circular groove) is formed in one side of the mounting plate 601, which is close to the air duct 2, and a cleaning disc 603 is rotatably arranged in the mounting groove 602. The outer wall of one side of the mounting plate 601 is fixed with a motor 608, the output end of the motor 608 is coaxially and fixedly connected with the cleaning disc 603, cleaning bristles 604 are arranged on one side of the cleaning disc 603, and after the connecting cover 401 is pushed and rotated to be vertical by the electric push rod 501, the filter screen 402 is just accommodated in the mounting groove 602 and is in contact with the cleaning bristles 604.

The bottom of the mounting plate 601 is provided with a waste discharge port 605, the waste discharge port 605 is communicated with the mounting groove 602, the bottom of the mounting plate 601 is fixed with a connecting sleeve 606 at the position of the waste discharge port 605, the lower end of the connecting sleeve 606 is inserted with a storage barrel 607, and the cleaning bristles 604 are used for cleaning dust and foreign matters on the filter screen 402 and the like which are rotationally swept away and fall into the storage barrel 607 through the waste discharge port 605. The connecting sleeve 606 is provided with internal threads along the inner wall thereof, the upper end of the storage barrel 607 is provided with external threads along the outer wall thereof, and the storage barrel 607 is in threaded connection with the connecting sleeve 606, so that the storage barrel 607 can be quickly detached to pour out the dust in the storage barrel.

It should be noted that, because the mounting groove 602 is circular and has a guiding function on the inner wall, the cleaning brush 604 will sweep dust off the filter screen 402 and fall on the mounting groove 602, and the dust will roll into the waste discharge port 605 along the inner wall. And it is best to contact the cleaning bristles 604 when the screen 402 is rotated to the vertical position, since the dust falls just below the waste discharge port 605, but also when it is larger than the vertical position (i.e., the elevation angle position), the dust falls on the cleaning plate 603 and rolls into the waste discharge port 605 by the inclined surface of the inclined plate in the same elevation angle position.

Example 3

Example 3 describes the screen device 4 in detail.

As shown in fig. 4, the filter screen device 4 includes a connecting cover 401, the connecting cover 401 is hinged to the end of the air duct 2 through a hinge mechanism, and the connecting cover 401 is hollow and is used for installing the filter screen 402. An axially protruding stepped hole 403 is formed in the connection cover 401, the stepped hole 403 can be inserted into the installation groove 602, and a filter screen 402 is detachably disposed on the outer edge of the stepped hole 403. The linear driving device 5 is an electric push rod 501, one end of the electric push rod 501 is hinged with the outer wall of the elevator car 1, and the other end of the electric push rod 501 is hinged with the connecting cover 401.

Specifically, the connection cover 401 is hollow and has openings at upper and lower ends for ventilation. A filter screen frame 404 is fixed on the upper portion of the connecting cover 401, a filter screen 402 is fixed in the filter screen frame 404, the connecting cover 401 is rotatably connected with the air duct 2 through a hinge mechanism, an electric push rod 501 is installed on one side of the upper portion of the car 1, and the output end of the electric push rod 501 is rotatably connected with one side of the connecting cover 401.

The hinge mechanism comprises a fixing block 405 fixed at the upper end of one side of the air duct 2, a hinge groove is formed in one side of the fixing block 405, a hinge block 406 is fixed on one side of the connecting cover 401, the hinge block 406 is rotatably arranged in the hinge groove, and hinge connection between the connecting cover 401 and the top of the air duct 2 is achieved. Filter screen frame 404 both sides outer wall all is fixed with connecting block 407, and all runs through on the connecting block 407 has set screw, and filter screen frame 404 passes through connecting block 407 and set screw installs in connecting lid 401 upper end. An installation block 502 is fixed on one side of the upper part of the car 1, the lower end of the electric push rod 501 is hinged on the installation block 502, a pin shaft is arranged at the output end of the electric push rod 501 in a rotating mode, and the other end of the pin shaft is fixed on one side of the connection cover 401, so that the electric push rod 501 drives the connection cover 401 to make corresponding up-and-down motion at the moment of stretching motion.

Example 4

This embodiment 4 specifically describes the structure of the ceiling 7.

As shown in fig. 1 and 3, the ceiling 7 is arranged on the top of the elevator car 1, the ventilation opening 3 is arranged at the bottom of the ceiling 7, and the air duct 2 is arranged at the top of the ceiling 7 relative to the ventilation opening 3. The ventilation louver 301 is arranged on the ventilation opening 3.

Specifically, vent 3 does not directly set up on elevator car 1 roof, but sets up in furred ceiling 7 bottom, and this is convenient for vent 3's maintenance dismouting etc. and furred ceiling 7 inner space can be used for holding other components. For example, in the present apparatus, the timing of cleaning the screen 402 is controlled by activating the electric push rod 501, the cleaning brush 604 is activated by activating the motor 608, and both are electrically controlled, so that the PLC controller can be integrated in the ceiling 7, and connected to the external electric push rod 501 and the motor 608 by using wires, and the operation of the electric push rod 501 and the cleaning motor 608 can be controlled by integrating the control button of the PLC controller on the elevator floor button panel (by wire or wireless), which is a manual control method. Or an automatic control mode is adopted, for example, a differential pressure gauge/an anemometer is arranged on two sides of the air duct 2, the ventilation conditions inside and outside the car 1 can be known by comparing the differential pressure gauge or the difference value of the two anemometers, if the difference value is too large, the filter screen 402 is proved to be seriously blocked, so that the fan 201 cannot obtain effective ventilation from the outside of the car 1, and at the moment, the differential pressure gauge/the anemometer feeds back information to a control system (such as a PLC controller) of the electric push rod 501 and the cleaning motor 608, and the two devices are automatically started to move to clean the filter screen 402; when the differential pressure/anemometer difference reaches a reasonable range, the signals are also sent, and the two devices are closed.

This 1 ventilation mechanism's of elevator car theory of operation:

when clearing up ventilation mechanism, drive electric putter 501 will connect lid 401 to lift, connect lid 401 to rotate to the vertical state for filter screen 402 gets into in the mounting groove 602, and filter screen 402 and cleaning brush 604 contact, and then motor 608 starts to drive cleaning disc 603 rotatory, makes cleaning brush 604 carry out rotatory sweeping to the dust foreign matter on the filter screen 402 etc. and the dust impurity of sweeping is fallen into storage bucket 607 by waste discharge port 605, regularly to storage bucket 607 dismantle pour can.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides an elevator car ventilation mechanism, its characterized in that, includes the dryer, on the elevator car tank wall was located to the dryer, its one side towards in the car was equipped with the vent, and articulated towards one side outside the car has filter unit, the vent with be equipped with the fan between the filter unit, be connected with sharp drive arrangement on the filter unit, sharp drive arrangement is used for making filter unit rotate along articulated department and lifts, is located be equipped with the cleaning device who is used for cleaning filter unit on filter unit's the rotation route.

2. The elevator car ventilation mechanism of claim 1, wherein the sweeping device comprises a mounting plate having a mounting slot adjacent a side of the screen means, wherein a cleaning plate is rotatably disposed in the mounting slot, and a plurality of cleaning bristles are disposed on the cleaning plate.

3. The elevator car ventilation mechanism of claim 2, wherein the bottom of the mounting slot is provided with a waste outlet that is removably connected to the underlying storage bucket by a connection sleeve.

4. The elevator car ventilation mechanism of claim 3, wherein the mounting plate is provided with a motor on a back side thereof for driving the cleaning disc to rotate, and the waste outlet is provided below the cleaning bristles.

5. The elevator car ventilation mechanism of claim 3, wherein the cleaning pan is located at a position where the screen device is rotated up to not less than a right angle.

6. The elevator car ventilation mechanism of claim 2, wherein the screen means comprises a connecting cover hinged to the end of the air duct by a hinge mechanism, the connecting cover being hollow for mounting a screen.

7. The elevator car ventilation mechanism of claim 6, wherein the attachment cover defines a stepped bore extending axially therethrough, the stepped bore being insertable into the mounting slot, the stepped bore being removably defined by a screen.

8. Elevator car ventilation mechanism according to claim 6, characterized in that the linear drive is an electric push rod, one end of which is hinged to the outer wall of the elevator car and the other end is hinged to the connection cover.

9. An elevator car ventilation mechanism as claimed in claim 1, wherein an elevator car roof is provided with a ceiling, said vent is provided in the bottom of said ceiling, and said air duct is provided in the ceiling roof in a position relative to said vent.

10. The elevator car ventilation mechanism of claim 6, wherein the vent is provided with ventilation louvers.

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