Elevator car top plate with ventilation function

Abstract

The utility model belongs to the technical field of elevators, and particularly relates to an elevator car top plate with an air exchange function, which comprises an air exchange shell, an air exchange cover and an air exchange cover, wherein the ventilation shell penetrates through a top plate of the motor car, and the interior of the ventilation shell is hollow; the air exchange mechanism is arranged in the hollow interior of the air exchange shell and suitable for conducting air exchange on the interior of the elevator in the elevator running process. The ventilation mechanism is arranged, ventilation is conducted on the interior of the elevator in the operation process of the elevator, and aiming at the two actions of upward movement and downward movement of the elevator, when the ventilation mechanism moves upwards, air is supplemented into the elevator, and when the elevator moves downwards, the air in the elevator is pumped out, so that air flowing in the elevator is accelerated.

Description

Technical Field

[0001] The utility model belongs to the technical field of elevators, and in particular relates to an elevator car top plate with a ventilation function. Background Art

[0002] An elevator is a permanent transportation device that serves several specific floors in a building. Its car runs on at least two rows of rigid tracks that are perpendicular to the horizontal plane or have an inclination angle of less than 15° to the plumb line. It can be divided into low-speed elevators (below 4 m / s), fast elevators (4-12 m / s) and high-speed elevators (above 12 m / s) according to speed. With the continuous development of science and technology, the comfort of people when riding in elevators has become an important part of elevator research and development at this stage.

[0003] In the existing technology, most elevators are not equipped with a device specifically for ventilation inside the elevator. The internal gas exchange only relies on the gap in the elevator shaft at the top and the time of opening and closing the door, but the effect is minimal and it is difficult to completely replace the air inside.

[0004] Therefore, an elevator car top plate with a ventilation function is designed to solve the technical problem of the lack of ventilation function during the operation of the elevator in the prior art. Utility Model Content

[0005] The utility model aims to provide an elevator car top plate with ventilation function to solve the above technical problems.

[0006] In order to solve the above technical problems, the utility model provides an elevator car top plate with ventilation function, comprising:

[0007] The ventilation shell is arranged on the elevator car top plate; wherein

[0008] The ventilation shell passes through the motor car top plate and is hollow inside; and

[0009] The ventilation mechanism is arranged in the hollow interior of the ventilation shell and is suitable for ventilating the interior of the elevator during the operation of the elevator.

[0010] Further, the ventilation mechanism comprises:

[0011] A motor disposed on the inner wall of the ventilation housing; and

[0012] A drive shaft, one end of which is connected to the output end of the motor, and the other end of which is connected to a driving gear;

[0013] An upward exhaust assembly and a downward intake assembly are arranged on one side of the driving gear.

[0014] Further, the upward exhaust assembly includes:

[0015] A rotating shaft disposed inside the ventilation housing; and

[0016] The outer wall of the rotating shaft is connected to a driven gear via an overrunning clutch;

[0017] The driven gear is meshed with the driving gear.

[0018] Furthermore, an air flow channel is provided inside the ventilation shell; and

[0019] An exhaust fan is arranged on the rotating shaft; wherein

[0020] The exhaust fan is located in the air flow channel.

[0021] Further, the downward-moving air intake assembly comprises:

[0022] A driven shaft, a top end of which is connected to a driven gear via an overrunning clutch; and

[0023] An induced draft fan is arranged on the driven shaft.

[0024] Furthermore, an air outlet is provided on the lower end surface of the ventilation shell; and

[0025] The upper end surface of the ventilation shell is located at the top of the air flow channel and is provided with an annular member;

[0026] A filter screen is arranged on the inner wall of the annular member; and

[0027] The top end of the rotating shaft passes through the filter screen.

[0028] Furthermore, an upper conical cylinder is provided at the top end of the rotating shaft; and

[0029] The bottom end of the driven shaft is provided with a lower conical cylinder;

[0030] The lower conical cylinder is located in the air outlet.

[0031] Furthermore, the interiors of the rotating shaft and the driven shaft are both hollow; and

[0032] The bottom end of the rotating shaft passes through the driven gear, and the bottom end of the rotating shaft is flush with the lower end surface of the driven gear; wherein

[0033] The lower end surface of the rotating shaft is in contact with the upper end surface of the driven shaft.

[0034] The beneficial effect of the utility model is that the utility model is provided with a ventilation mechanism to ventilate the interior of the elevator during the operation of the elevator, and for the two actions of the elevator moving up and down, when the elevator moves up, air is replenished into the interior of the elevator, and when the elevator moves down, the air inside the elevator is extracted to speed up the air flow inside the elevator.

[0035] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by practicing the utility model. The purpose and other advantages of the utility model are realized and obtained by the structures particularly pointed out in the description and the drawings.

[0036] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0038] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0039] Figure 2 It is a schematic diagram of the internal cross-sectional structure of the ventilation shell of the utility model.

[0040] In the figure:

[0041] 1. Elevator; 10. Elevator car top plate;

[0042] 2. Ventilation mechanism; 20. Ventilation shell; 201. Air flow channel; 21. Motor; 22. Drive shaft; 23. Active gear; 24. Driven gear; 241. Rotating shaft; 242. Exhaust fan; 25. Ring member; 251. Filter; 26. Upper conical cylinder; 27. Driven shaft; 271. Exhaust fan; 28. Lower conical cylinder; 29. ​​Air outlet. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0044] In the existing technology, most elevators are not equipped with a device specifically for ventilation inside the elevator. The internal gas exchange only relies on the gap in the elevator shaft at the top and the time of opening and closing the door, but the effect is minimal and it is difficult to completely replace the air inside.

[0045] In order to solve the above technical problems, in at least one embodiment, an elevator car top plate with a ventilation function is provided, comprising: a ventilation shell 20, which is arranged on the elevator car top plate 10; wherein the ventilation shell 20 penetrates the motor car top plate 10, and its interior is hollow; and a ventilation mechanism, which is arranged in the hollow interior of the ventilation shell 20, and is suitable for ventilating the interior of the elevator 1 during the operation of the elevator;

[0046] By providing a ventilation mechanism, the interior of the elevator is ventilated during the operation of the elevator. In response to the two movements of the elevator moving up and down, when the elevator moves up, air is replenished into the interior of the elevator, and when the elevator moves down, the air inside the elevator is extracted to speed up the air flow inside the elevator.

[0047] In some embodiments, the motor 21 is connected to the control circuit of the elevator 1 so that the motor 21 rotates forward or reversely when the elevator 1 moves up or down (this is the prior art and will not be described in detail in this application).

[0048] In some embodiments, when the elevator 1 moves downward, the motor 21 rotates forward, driving the drive shaft 22 to rotate forward, and then driving the driving gear 23 to rotate forward. At this time, the driven gear 24 meshing with the driving gear 23 follows the rotation. Since the driven gear 24 and the rotating shaft 241 are connected by an overrunning clutch, when the driven gear 24 follows the driving gear 23 to rotate forward, the rotating shaft 241 rotates together, and then drives the exhaust fan 242 on the rotating shaft 241 to rotate, and the air inside the elevator 1 is extracted through the air outlet 29 and discharged to the top of the elevator 1 through the annular member 25. Since the elevator 1 body is not a sealed structure, as the elevator 1 moves downward, some air will enter the elevator from the surroundings of the elevator 1. Through the rotation of the exhaust fan 242, the air flow inside the elevator 1 is accelerated to improve the ventilation effect.

[0049] In some embodiments, when the elevator 1 moves upward, the motor 21 reverses and drives the driven gear 24 to reverse through the driving gear 23. At this time, the rotating shaft 241 is prohibited, and the driven shaft 27 is connected to the driven gear 24 through an overrunning clutch. At this time, the driven shaft 27 rotates following the reversed driven gear 24, thereby driving the induced draft fan 271 fixed outside it to rotate, and introducing the air above the elevator car top plate 10 into the elevator 1 through the air outlet 29. Since a lower conical cylinder 28 is fixed at the bottom end of the driven shaft 27, and the lower conical cylinder 28 is located at the air outlet 29, the wind blown out by the induced draft fan 271 flows downward and contacts the outer wall of the lower conical cylinder 28 and then enters the interior of the elevator 1, avoiding direct blowing on the passengers at the air outlet, thereby improving the passengers' elevator riding experience.

[0050] In some embodiments, a filter 251 is provided on the inner wall of the annular member 25 to prevent dust above the elevator 1 from entering the interior of the elevator 1, the rotating shaft 241 passes through the filter 251 and is connected to the bearing of the filter 251, and the bottom of the upper conical cylinder 26 is hollowed out and connected to the rotating shaft 241, and the top of the lower conical cylinder 28 is hollowed out and connected to the driven shaft 27, so as to connect the internal space of the elevator 1 with the top space of the elevator 1. In the process of the elevator 1 moving upward, part of the air above the elevator 1 can pass through the upper conical cylinder 26 and be discharged to the interior of the elevator 1 through the rotating shaft 241 and the driven shaft 27 to assist the air intake.

[0051] In some embodiments, a filter net may be disposed inside the upper conical barrel 26 to filter external dust.

[0052] To summarize, by providing a ventilation mechanism, the interior of the elevator is ventilated during the operation of the elevator, and for the two actions of the elevator moving up and down, when it moves up, air is replenished into the interior of the elevator, and when the elevator moves down, the air inside the elevator is extracted to speed up the air flow inside the elevator.

[0053] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0054] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0055] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An elevator car top plate with ventilation function, characterized in that: include: A ventilation shell is arranged on the elevator car top plate; in The ventilation shell passes through the motor car top plate, and its interior is hollow; as well as The ventilation mechanism is arranged in the hollow interior of the ventilation shell and is suitable for ventilating the interior of the elevator during the operation of the elevator; The ventilation mechanism comprises: A motor disposed on the inner wall of the ventilation housing; and A drive shaft, one end of which is connected to the output end of the motor, and the other end of which is connected to a driving gear; An upward exhaust assembly and a downward intake assembly are arranged on one side of the driving gear.

2. The elevator car top plate with ventilation function according to claim 1, characterized in that: The upward exhaust assembly comprises: A rotating shaft disposed inside the ventilation housing; and The outer wall of the rotating shaft is connected to a driven gear via an overrunning clutch; The driven gear is meshed with the driving gear.

3. The elevator car top plate with ventilation function according to claim 2, characterized in that: An air flow channel is provided inside the ventilation shell; and An exhaust fan is arranged on the rotating shaft; wherein The exhaust fan is located in the air flow channel.

4. The elevator car top plate with ventilation function according to claim 3, characterized in that: The downward-moving air intake assembly comprises: A driven shaft, a top end of which is connected to a driven gear via an overrunning clutch; and An induced draft fan is arranged on the driven shaft.

5. The elevator car top plate with ventilation function according to claim 4, characterized in that: The lower end surface of the ventilation shell is provided with an air outlet; and The upper end surface of the ventilation shell is located at the top of the air flow channel and is provided with an annular member; A filter screen is arranged on the inner wall of the annular member; and The top end of the rotating shaft passes through the filter screen.

6. The elevator car top plate with ventilation function according to claim 5, characterized in that: An upper conical cylinder is disposed at the top end of the rotating shaft; and The bottom end of the driven shaft is provided with a lower conical cylinder; The lower conical cylinder is located in the air outlet.

7. The elevator car top plate with ventilation function according to claim 6, characterized in that: The interiors of the rotating shaft and the driven shaft are both hollow; and The bottom end of the rotating shaft passes through the driven gear, and the bottom end of the rotating shaft is flush with the lower end surface of the driven gear; wherein The lower end surface of the rotating shaft is in contact with the upper end surface of the driven shaft.

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