A ventilation device and system for an elevator car

Abstract

The utility model relates to the technical field of ventilation equipment, specifically, a ventilation equipment and system for an elevator car, including an elevator car, an air outlet is provided at the lower part of the left end surface of the elevator car, an air inlet box is provided at the upper end surface of the elevator car, the air inlet box passes through the upper end surface of the elevator car, a limiting groove is provided at the left part of the air inlet box, the limiting groove passes through the entire air inlet box, a driving gear is provided at the left end surface of the elevator car, a driven gear is provided above the driving gear, and the driven gear exists on the upper part of the left end surface of the elevator car. The beneficial effect is as follows: the utility model provides a ventilation device that is easy to disassemble. When the filter is damaged or needs to be replaced, there is no need to remove the entire ventilation plate and then replace the ventilation plate. Only the ventilation device needs to be removed for replacement. The process is relatively convenient and time-saving, which reduces the replacement time, improves the work efficiency, and reduces the difficulty of the work.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation equipment, in particular to ventilation equipment and a system for an elevator car. Background Art

[0002] The car is the body part of the elevator used to carry passengers or goods and other loads. The ceiling is usually made of stainless steel; the car bottom is 2mm thick PVC marble floor or 20mm thick marble parquet. The design of the space environment of the car-type elevator must be centered on meeting the passengers' functional needs for the elevator; the space environment design of the car-type elevator must follow the general rules of indoor and outdoor space environment design;

[0003] Today's elevator car ventilation devices are usually fixed directly on the car. When the filter is damaged or needs to be replaced, the entire ventilation plate must usually be removed and then replaced. This replacement process is cumbersome and time-consuming, which increases the replacement time, reduces work efficiency, and increases the difficulty of replacement. Utility Model Content

[0004] The purpose of the utility model is to provide a ventilation device and system for an elevator car to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a ventilation device and system for an elevator car, comprising

[0006] An elevator car, wherein an air outlet is provided at the lower part of the left end surface of the elevator car, an air inlet box is provided at the upper end surface of the elevator car, the air inlet box passes through the upper end surface of the elevator car, a limiting groove is provided at the left part of the air inlet box, and the limiting groove passes through the entire air inlet box, a driving gear is provided at the left end surface of the elevator car, a driven gear is provided above the driving gear, and the driven gear exists in the upper part of the left end surface of the elevator car, and a filter hole is provided in the middle part of the inner wall of the air inlet box.

[0007] Preferably, fixing frames are provided at the four corners of the air inlet box, a telescopic rod is provided between two of the fixing frames, a circle of spring is surrounded by the telescopic rod, the length of the spring is equal to that between the two fixing frames, and a locking screw is provided on the upper end surface of the fixing frame, and the locking screw passes through the fixing frame and the upper end surface of the elevator car.

[0008] Preferably, a transmission belt is arranged around the driving gear, and a transmission belt is also arranged around the driven gear. The driving gear and the driven gear are connected by the transmission belt. The inner wall of the transmission belt is evenly provided with a plurality of transmission belt teeth, and the transmission belt teeth correspond to the driving gear and the driven gear.

[0009] Preferably, the left end face of the driving gear is connected to a connecting rod, the connecting rod passes through the left end face of the elevator car, the upper end face of the connecting rod is provided with a rocker arm, the right part of the upper end face of the rocker arm is provided with a fixing rod, a handle is provided around the fixing rod, the fixing rod is connected to the handle through a rolling ball, and the fixing rod, the rolling ball and the handle together form a bearing structure.

[0010] Preferably, a rotation limit rod is provided on the right end face of the driven gear, and a groove is opened on the right end face of the rotation limit rod to connect a limit block, and the limit block is fixed to the rotation limit rod by screws. The width of the limit block is wider than the width of the air inlet box, and a plurality of fixing sleeves are evenly distributed around the lower end face of the air inlet box, and the fixing sleeves correspond to the tightening screws.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides a ventilation device that is easy to disassemble. When the filter is damaged or needs to be replaced, there is no need to remove the entire ventilation plate and then replace the ventilation plate. Only the ventilation device needs to be removed for replacement. The process is relatively convenient and time-saving, which reduces the replacement time, improves work efficiency, and reduces the difficulty of work. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a bottom view of the utility model;

[0015] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at point A in the middle.

[0016] In the figure: 1 elevator car, 2 air outlet, 3 transmission belt, 4 driving gear, 5 transmission belt teeth, 6 driven gear, 7 fixing frame, 8 set screw, 9 telescopic rod, 10 spring, 11 air inlet box, 12 limit slot, 13 fixing sleeve, 14 filter hole, 15 rotation limit rod, 16 screw, 17 limit block, 18 connecting rod, 19 rocker arm, 20 fixing rod, 21 rolling ball, 22 handle. DETAILED DESCRIPTION

[0017] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit 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.

[0018] Embodiment 1

[0019] See also Figure 1-Figure 3 The utility model provides a technical solution: a ventilation device and system for an elevator car, comprising

[0020] An elevator car 1 is provided with an air outlet 2 at the lower part of the left end surface of the elevator car 1, an air inlet box 11 is provided at the upper end surface of the elevator car 1, the air inlet box 11 passes through the upper end surface of the elevator car 1, a limiting groove 12 is provided at the left part of the air inlet box 11, the limiting groove 12 passes through the entire air inlet box 11, a driving gear 4 is provided at the left end surface of the elevator car 1, a driven gear 6 is provided above the driving gear 4, the driven gear 6 exists in the upper part of the left end surface of the elevator car 1, and a filter hole 14 is provided in the middle part of the inner wall of the air inlet box 11.

[0021] Embodiment 2

[0022] Fixed frames 7 are provided at the four corners of the air inlet box 11, a telescopic rod 9 is provided between the two fixed frames 7, a circle of spring 10 is surrounded by the telescopic rod 9, and the length of the spring 10 is equal to that of the two fixed frames 7. A tightening screw 8 is provided on the upper end surface of the fixed frame 7, and the tightening screw 8 passes through the fixed frame 7 and the upper end surface of the elevator car 1. The air inlet box 11 can be fixed by the fixed frame 7, and the position between the fixed frames 7 can be adjusted by the telescopic rod 9 between the fixed frames 7. The force for fixing the fixed frames 7 can be saved by the spring 10, and the fixed frame 7 can be fixed to the upper end surface of the elevator car 1 by the tightening screw 8.

[0023] Embodiment 3

[0024] A transmission belt 3 is arranged around the driving gear 4, and a transmission belt 3 is also arranged around the driven gear 6. The driving gear 4 and the driven gear 6 are connected through the transmission belt 3. A plurality of transmission belt teeth 5 are evenly arranged on the inner wall of the transmission belt 3. The transmission belt teeth 5 correspond to the driving gear 4 and the driven gear 6. The driving gear 4 and the driven gear 6 can be connected through the transmission belt 3, and the transmission effect can be achieved by the meshing of the transmission belt teeth 5 with the gears.

[0025] Embodiment 4

[0026] The left end face of the driving gear 4 is connected with a connecting rod 18, and the connecting rod 18 passes through the left end face of the elevator car 1. The upper end face of the connecting rod 18 is provided with a rocker arm 19, and the right part of the upper end face of the rocker arm 19 is provided with a fixed rod 20. A handle 22 is provided around the fixed rod 20, and the fixed rod 20 is connected to the handle 22 through a rolling ball 21. The fixed rod 20, the rolling ball 21 and the handle 22 together form a bearing structure. The driving gear 4 can be connected to the rocker arm 19 through the connecting rod 18, and the driving gear 4 can be driven to rotate by rotating the rocker arm 19. The force spent on rotating the driving gear 4 can be saved through the bearing structure.

[0027] Embodiment 5

[0028] The right end face of the driven gear 6 is provided with a rotation limit rod 15, and the right end face of the rotation limit rod 15 is provided with a groove in which a limit block 17 is connected. The limit block 17 is fixed to the rotation limit rod 15 by a screw 16. The width of the limit block 17 is wider than the width of the air inlet box 11. A number of fixing sleeves 13 are evenly distributed around the lower end face of the air inlet box 11, and the fixing sleeves 13 correspond to the set screws 8. The limit block 17 can be turned vertically by rotating the driven gear 6, so that the limit block 17 passes through the limit groove 12 and loses its limiting effect, thereby removing the air inlet box 11. The limit block 17 can also be enabled to realize the limiting effect by rotating the driven gear 6, so that the air inlet box 11 is fixed at a specific position, and the limit block 17 can be fixed to the rotation limit rod 15 by the screw 16.

[0029] In actual use, the air inlet box 11 can be fixed by the fixing frame 7, the position between the fixing frames 7 can be adjusted by the telescopic rod 9 between the fixing frames 7, the force for fixing the fixing frames 7 can be saved by the spring 10, the fixing frame 7 can be fixed to the upper end surface of the elevator car 1 by the set screw 8, the driving gear 4 can be connected with the driven gear 6 by the transmission belt 3, the transmission effect can be achieved by the meshing of the transmission belt teeth 5 with the gears, the driving gear 4 can be connected with the rocker arm 19 by the connecting rod 18, the driving gear 4 can be driven to rotate by rotating the rocker arm 19, the force spent on rotating the driving gear 4 can be saved by the bearing structure, the limit block 17 can be vertically turned by rotating the driven gear 6, so that the limit block 17 passes through the limit groove 12 and loses the limit effect, thereby removing the air inlet box 11, the limit block 17 can also be realized by rotating the driven gear 6 to achieve the limit effect so that the air inlet box 11 is fixed at a specific position, and the limit block 17 can be fixed on the rotating limit rod 15 by the screw 16.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ventilation device and system for an elevator car, characterized in that: include An elevator car (1), wherein an air outlet (2) is provided at the lower part of the left end surface of the elevator car (1), an air inlet box (11) is provided at the upper end surface of the elevator car (1), the air inlet box (11) passes through the upper end surface of the elevator car (1), a limiting groove (12) is provided at the left part of the air inlet box (11), the limiting groove (12) passes through the entire air inlet box (11), a driving gear (4) is provided at the left end surface of the elevator car (1), a driven gear (6) is provided above the driving gear (4), the driven gear (6) is present at the upper part of the left end surface of the elevator car (1), and a filter hole (14) is provided at the middle part of the inner wall of the air inlet box (11).

2. A ventilation device and system for an elevator car according to claim 1, characterized in that: The four corners of the air inlet box (11) are provided with fixing frames (7), a telescopic rod (9) is provided between the two fixing frames (7), a circle of spring (10) surrounds the telescopic rod (9), the length of the spring (10) is equal to that of the two fixing frames (7), and a fixing screw (8) is provided on the upper end surface of the fixing frame (7), and the fixing screw (8) passes through the fixing frame (7) and the upper end surface of the elevator car (1).

3. A ventilation device and system for an elevator car according to claim 1, characterized in that: A transmission belt (3) is arranged around the driving gear (4), and a transmission belt (3) is also arranged around the driven gear (6). The driving gear (4) and the driven gear (6) are connected via the transmission belt (3). The inner wall of the transmission belt (3) is evenly provided with a plurality of transmission belt teeth (5), and the transmission belt teeth (5) correspond to the driving gear (4) and the driven gear (6).

4. A ventilation device and system for an elevator car according to claim 1, characterized in that: The left end face of the driving gear (4) is connected to a connecting rod (18), the connecting rod (18) passes through the left end face of the elevator car (1), the upper end face of the connecting rod (18) is provided with a rocker arm (19), the right part of the upper end face of the rocker arm (19) is provided with a fixing rod (20), a handle (22) is provided around the fixing rod (20), the fixing rod (20) is connected to the handle (22) through a rolling ball (21), and the fixing rod (20), the rolling ball (21) and the handle (22) together form a bearing structure.

5. A ventilation device and system for an elevator car according to claim 1, characterized in that: The right end face of the driven gear (6) is provided with a rotation limit rod (15), the right end face of the rotation limit rod (15) is provided with a groove in which a limit block (17) is connected, the limit block (17) is fixed to the rotation limit rod (15) by a screw (16), the width of the limit block (17) is wider than the width of the air inlet box (11), and a plurality of fixing sleeves (13) are evenly distributed around the lower end face of the air inlet box (11), and the fixing sleeves (13) correspond to the set screws (8).

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