Ventilation structure of elevator ceiling

Abstract

The ventilation structure comprises the elevator ceiling, a plate cover is assembled at the bottom end of the elevator ceiling, and a ventilation opening is formed in the middle section of the side wall of the elevator ceiling; a fixing plate is assembled on the side wall of the elevator ceiling and located at the ventilation opening. A communication opening is formed in the side wall of the fixing plate. A fixing cavity is formed in the inner wall of the communicating opening, and a purifying mechanism is assembled in the fixing cavity. The purification mechanism comprises a net-shaped box, a through hole plate is assembled at the top end of the net-shaped box, and the through hole plate is arranged in the fixing cavity; limiting assemblies are installed at the two ends of the side wall of the through hole plate, limiting holes are formed in the two ends of the side portion of the fixing cavity, and the limiting assemblies are installed in the limiting holes. According to the ventilation structure of the elevator ceiling, toxic substances in outside air are adsorbed, freshness of the air is guaranteed, activated carbon particles filled in the adsorption pipe can be replaced regularly, and the adsorption effect is guaranteed.

Description

Technical Field

[0001] This patent relates to the technical field of elevator ceilings, specifically a ventilation structure for an elevator ceiling. Background Art

[0002] Elevator ceiling ventilation structures are often seen in elevators. They are a structure that facilitates the exchange of air in the elevator car with the outside world. As a carrier for carrying people, if the elevator cannot maintain smooth internal ventilation, when the elevator goes up too high or there are too many people in the elevator, it will lead to insufficient oxygen in the car, and even cause suffocation of passengers. Therefore, the setting of the elevator ventilation structure is very important.

[0003] However, the ventilation structure of the elevator ceiling in the prior art still has some shortcomings. For example, it is inconvenient to adsorb the odor in the elevator during the ventilation process, and it is inconvenient to clean the adsorbed impurities. Therefore, the prior art needs to be improved. Utility Model Content

[0004] The purpose of this patent is to provide a ventilation structure for an elevator ceiling to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, this patent provides the following technical solutions: a ventilation structure of an elevator ceiling, comprising an elevator ceiling, a plate cover is installed at the bottom end of the elevator ceiling, and a ventilation hole is opened in the middle section of the side wall of the elevator ceiling;

[0006] The side wall of the elevator ceiling is equipped with a fixing plate at the vent, and the side wall of the fixing plate is provided with a communication port;

[0007] The inner wall of the communication port is provided with a fixed cavity, and a purification mechanism is installed inside the fixed cavity;

[0008] The purification mechanism comprises a mesh box, the top end of which is equipped with a through-hole plate, and the through-hole plate is placed in a fixed cavity;

[0009] Both ends of the side wall of the through-hole plate are equipped with limiting components, both ends of the side of the fixed cavity are provided with limiting holes, and the limiting components are installed in the limiting holes;

[0010] The top of the elevator ceiling is provided with a fan assembly at the vent.

[0011] Preferably, an inner screw barrel is installed at the bottom end of the through-hole plate, the mesh box is screwed in the inner screw barrel, and the inner screw barrel, the vent and the connecting port are concentrically arranged.

[0012] Preferably, the limit assembly includes a limit plate installed on the side wall of the through-hole plate, a limit rod is installed on the side wall of the limit plate, a limit spring is sleeved on the outside of the limit rod, and a rubber pad a and a rubber pad b are sleeved on the outside of the limit rod located at the lower side of the limit spring, the outer diameter of the limit spring is larger than the inner diameter of the limit hole, and the outer diameters of the rubber pad a and the rubber pad b are larger than the outer diameter of the limit spring.

[0013] Preferably, a rubber block is installed between the rubber pad a and the rubber pad b.

[0014] Preferably, the fan assembly comprises a fan frame installed at the vent, a center seat is installed inside the fan frame, blades are installed around the center seat, and reinforcing ribs are installed at the end edges of the blades.

[0015] Preferably, a raised reinforcement rib is formed from one end of the reinforcement rib to the other end of the reinforcement rib from low to high, one end of the reinforcement rib exceeds one end of the terminal edge of the blade body, the starting end of the blade body is provided with a chamfer, and the blade body is inclined.

[0016] Preferably, air inlet holes are provided around the outer wall of the plate cover, filter plates are installed in the air inlet holes, and a lampshade is installed in the middle section of the bottom end of the plate cover.

[0017] Compared with the prior art, the beneficial effects of this patent are: the ventilation structure of the elevator ceiling is simple in structure and easy to operate. Ventilation holes are set on the elevator ceiling and ventilation is carried out through fan assemblies. A purification mechanism is set at the ventilating holes and the purification mechanism is limited by a limiting assembly, thereby achieving adsorption of toxic substances in the outside air to ensure the freshness of the air, and the activated carbon particles filled in the adsorption tube can be replaced regularly to ensure the adsorption effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of this patent;

[0019] Figure 2 This is a schematic diagram of the elevator ceiling of this patent;

[0020] Figure 3 A schematic diagram of a fan assembly of this patent;

[0021] Figure 4 This is a schematic diagram of the fixing plate of this patent;

[0022] Figure 5 This is a schematic diagram of the purification mechanism of this patent;

[0023] Figure 6 This is a schematic diagram of the limit assembly of this patent.

[0024] In the figure: 1 elevator ceiling, 2 plate cover, 3 lampshade, 4 air inlet, 5 filter screen, 6 purification component, 61 through-hole plate, 62 inner screw barrel, 63 mesh box, 7 fixing plate, 8 through-hole opening, 9 fan component, 911 center seat, 912 blade body, 913 one end of reinforcing rib, 914 reinforcing rib, 915 the other end of reinforcing rib, 916 chamfer, 917 fan frame, 10 connecting opening, 11 fixing cavity, 12 limiting component, 121 limiting plate, 122 limiting spring, 123 limiting rod, 124 rubber pad b, 125 rubber block, 126 rubber pad a, 13 limiting hole. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of this patent to clearly and completely describe the technical solutions in the embodiments of this patent. Obviously, the described embodiments are only part of the embodiments of this patent, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0026] See also Figures 1 to 6 This patent provides a technical solution: a ventilation structure of an elevator ceiling, comprising an elevator ceiling 1, a panel cover 2 is installed at the bottom end of the elevator ceiling 1, and a vent 8 is opened in the middle section of the side wall of the elevator ceiling 1, and ventilation in the elevator is performed through the vent 8;

[0027] The lower side wall of the elevator ceiling 1 is provided with a fixing plate 7 at the vent 8, and a connecting opening 10 is provided on the side wall of the fixing plate 7;

[0028] The inner wall of the communication port 10 is provided with a fixed cavity 11, and a purification mechanism 6 is installed inside the fixed cavity 11; the purification mechanism 6 is installed at the vent 8 through a fixing plate 7.

[0029] The purification mechanism 6 includes a mesh box 63, wherein the mesh box 63 is provided with filter activated carbon particles, and a through-hole plate 61 is mounted on the top of the mesh box 63, and the through-hole plate 61 is placed in the fixed cavity 11, and the outer diameter of the through-hole plate 61 is smaller than the inner diameter of the fixed cavity 11;

[0030] The two ends of the side wall of the through-hole plate 61 are both installed with limiting components 12, and the two ends of the side of the fixed cavity 11 are both provided with limiting holes 13, and the limiting components 12 are installed in the limiting holes 13, so that the through-hole plate 61 is placed in the fixed cavity 11;

[0031] A fan assembly 9 is mounted at the top of the elevator ceiling 1 at the vent 8, and air circulation is performed through the fan assembly 9.

[0032] An inner screw barrel 62 is installed at the bottom end of the through-hole plate 61, and the mesh box 63 is screwed in the inner screw barrel 62. The inner screw barrel 62, the vent 8 and the connecting port 10 are concentrically arranged. The inner screw barrel 61 is a cylindrical barrel with an internal thread arranged inside, and the mesh box 63 is a cylindrical structure with an external thread arranged on the outer wall of the top end, so that the mesh box 63 can be installed in the inner screw barrel 62 through threaded matching.

[0033] The limiting assembly 12 includes a limiting plate 121 installed on the side wall of the through-hole plate 61, a limiting spring 122 is installed on the side wall of the limiting plate 121, a limiting rod 123 is installed on the end of the limiting spring 122, and the outside of the limiting rod 123 is located on the lower side of the limiting spring 122 and is provided with a rubber pad a 126 and a rubber pad b 124. The outer diameter of the limiting spring 122 is larger than the inner diameter of the limiting hole 13, and the outer diameters of the rubber pad a 126 and the rubber pad b 124 are larger than the outer diameter of the limiting spring 122. The limiting spring 122 is extended and retracted, thereby driving the limiting rod 123 to enter and exit the limiting hole 13.

[0034] A rubber block 125 is installed between the rubber pad a126 and the rubber pad b124.

[0035] The fan assembly 9 includes a fan frame 917 installed at the vent 8, a center seat 911 is installed inside the fan frame 917, blades 912 are installed around the center seat 911, and reinforcing ribs 914 are installed at the end edges of the blades 912; the reinforcing ribs 914 are one or more. The reinforcing ribs 914 are convex reinforcing ribs or concave reinforcing ribs. The reinforcing ribs can increase the stability of the fan blades.

[0036] The reinforcing rib 914 is formed into a raised reinforcing rib from one end 913 to the other end 915 of the reinforcing rib, from low to high, thereby further increasing the stability of the fan blades.

[0037] One end 913 of the reinforcing rib 914 exceeds one end of the end edge of the blade body 912 to increase the air output of the fan blade.

[0038] The starting end of the blade body 912 is provided with a chamfer 916 to reduce the resistance of the incoming wind and reduce the fan noise. The blade body 912 is inclined to enhance the cutting airflow.

[0039] Air inlet holes 4 are provided around the outer wall of the plate cover 2 , and filter screen plates 5 are installed in the air inlet holes 4 . A lampshade 3 is installed in the middle section of the bottom end of the plate cover 2 , and air enters through the air inlet holes 4 .

[0040] Working process and principle: When in use, first, when the elevator rises or descends, the fan assembly 9 will rotate with the airflow, so that the air in the elevator enters from the air inlet 4, and purifies the air through the mesh box 63 in the purification mechanism 6, and then is discharged. The air will also enter the mesh box 63 from the through hole 9 and be discharged through the air inlet 4, thereby achieving ventilation and purification. During regular inspection, remove the plate cover 2, press the limit assembly 12 into the limit hole 13, disengage the limit rod 123 from the limit hole 13, remove the through-hole plate 61, and then unscrew the mesh box 63 for replacement and cleaning.

[0041] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0042] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A ventilation structure for an elevator ceiling, comprising an elevator ceiling (1), characterized in that: The bottom end of the elevator ceiling (1) is equipped with a panel cover (2), and a ventilation hole (8) is opened in the middle section of the side wall of the elevator ceiling (1); The side wall of the elevator ceiling (1) is provided with a fixing plate (7) at the ventilation opening (8), and the side wall of the fixing plate (7) is provided with a communication opening (10); The inner wall of the communication port (10) is provided with a fixed cavity (11), and a purification mechanism (6) is installed inside the fixed cavity (11); The purification mechanism (6) comprises a mesh box (63), a top end of the mesh box (63) being equipped with a through-hole plate (61), and the through-hole plate (61) being placed in the fixed cavity (11); Limiting components (12) are installed at both ends of the side wall of the through-hole plate (61), limiting holes (13) are provided at both ends of the side of the fixed cavity (11), and the limiting components (12) are installed in the limiting holes (13); A fan assembly (9) is installed at the top end of the elevator ceiling (1) at the ventilation opening (8).

2. The ventilation structure of an elevator ceiling according to claim 1, characterized in that: An inner screw barrel (62) is installed at the bottom end of the through-hole plate (61), the mesh box (63) is screwed into the inner screw barrel (62), and the inner screw barrel (62), the ventilation port (8) and the communication port (10) are concentrically arranged.

3. The ventilation structure of an elevator ceiling according to claim 1, characterized in that: The limit assembly (12) comprises a limit plate (121) mounted on the side wall of the through-hole plate (61); a limit rod (123) is mounted on the side wall of the limit plate (121); a limit spring (122) is sleeved on the outside of the limit rod (123); a rubber pad a (126) and a rubber pad b (124) are sleeved on the outside of the limit rod (123) and located below the limit spring (122); the outer diameter of the limit spring (122) is greater than the inner diameter of the limit hole (13); and the outer diameters of the rubber pad a (126) and the rubber pad b (124) are greater than the outer diameter of the limit spring (122).

4. The ventilation structure of an elevator ceiling according to claim 3, characterized in that: A rubber block (125) is installed between the rubber pad a (126) and the rubber pad b (124).

5. The ventilation structure of an elevator ceiling according to claim 1, characterized in that: The fan assembly (9) comprises a fan frame (917) installed at the vent (8), a center seat (911) is installed inside the fan frame (917), blades (912) are installed around the center seat (911), and reinforcing ribs (914) are installed at the end edges of the blades (912).

6. The ventilation structure of an elevator ceiling according to claim 5, characterized in that: A protruding reinforcing rib is formed from one end (913) of the reinforcing rib (914) to the other end (915) of the reinforcing rib (914) from low to high, one end (913) of the reinforcing rib (914) exceeds one end of the terminal edge of the blade body (912), a chamfer (916) is provided at the starting end of the blade body (912), and the blade body (912) is inclined.

7. The ventilation structure of an elevator ceiling according to claim 1, characterized in that: Air inlet holes (4) are provided around the outer wall of the plate cover (2), and filter screen plates (5) are installed in the air inlet holes (4). A lampshade (3) is installed in the middle section of the bottom end of the plate cover (2).

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