Anti-falling device for elevator landing door

Abstract

The utility model relates to the technical field of elevators, and discloses an anti-falling device for an elevator landing door, which comprises a frame, a reserved opening is arranged on the inner wall of the frame, and a support is fixedly arranged on the top of the reserved opening and on the outer side wall of the frame. Through the arrangement of a driving motor, a transmission wheel, a hoop, a gear, a limiting groove, a positioning groove, a tooth block and a rolling wheel, the driving motor operates to drive the transmission wheel and the gear to rotate, the outer wall of the transmission wheel is fixed and limited through the hoop, falling off is avoided, and the gear is in tooth moving connection with the tooth block during rotation; the door plate is driven to slide up and down on the inner wall of the limiting groove to open and close the door, the door plate is more flexible when moving up and down through the rolling wheels, the bottom end of the door plate is supported through the positioning groove when the door plate is in a closed state, downward movement is avoided, sealing is tighter, and potential safety hazards are reduced. And the anti-falling device can be prevented from falling into the elevator shaft, so that the optimal use effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to an anti-falling device for elevator landing doors. Background Art

[0002] The elevator landing door, also known as the hall door, is a door installed at the entrance of the elevator shaft floor station. The elevator landing door is an important part of the elevator. Its opening and closing is usually driven by the car door. The landing door is equipped with a door lock with electrical and mechanical interlocking devices. The landing door can only be driven to open after the car door is opened. Both the landing door and the car door play a role of protection and shielding, and are basic settings for elevator safety.

[0003] However, the existing anti-falling devices for elevator floor doors, most of the ordinary elevator floor doors adopt a double-door design, and the elevator floor doors will leave openings when they are not closed tightly enough, posing a great safety hazard. In addition, when the elevator floor doors are subjected to a large external impact, they are prone to fall into the elevator shaft, thereby failing to achieve the best use effect. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides an anti-falling device for elevator floor doors, which solves the problem that the anti-falling device for elevator floor doors proposed in the above background technology is that most ordinary elevator floor doors adopt a double-door design, and their elevator floor doors will leave openings when they are not closed tightly enough, posing a great safety hazard. In addition, when the elevator floor doors are subjected to a large external impact, they are likely to fall off into the elevator shaft, thereby failing to achieve the best use effect.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: an anti-falling device for elevator floor doors, comprising a frame, an inner wall of the frame is provided with a reserved opening, and a bracket is fixedly installed on the top of the reserved opening and the outer wall of the frame, the top of the bracket is fixedly connected to a driving motor, and a transmission wheel is rotatably installed on the output end of the driving motor, the outer walls of the two ends of the transmission wheel are sleeved with clamps, and gears are fixedly connected to the two ends of the transmission wheel, limiting blocks are fixedly installed on both sides of the inner wall of the frame, and a limiting groove is provided on the inner wall of the limiting block, a positioning groove is provided on the upper surface of the bottom end of the frame, a door panel is slidably installed on the inner wall of the positioning groove, and strip grooves are provided on both sides of the outer wall of the door panel, a tooth block is fixedly installed on the inner wall of the strip groove, rollers are rotatably installed on both sides of the outer wall of the door panel, and an alarm light is provided at the center of the outer wall of the door panel.

[0008] Furthermore, the outer wall of the driving motor is wrapped with an insulating sleeve, and the insulating sleeve is made of a rubber component.

[0009] Furthermore, the clamp is C-shaped, and one end of the clamp is fixedly connected to the outer wall of the frame.

[0010] Furthermore, the gear passes through the frame and is gear-movingly connected to the gear block.

[0011] Furthermore, the bottom end of the door panel is engaged with the inner wall of the positioning groove when closed.

[0012] Furthermore, one side of the roller abuts against the inner wall of the limiting groove.

[0013] (III) Beneficial effects

[0014] The utility model provides an anti-falling device for elevator landing doors, which has the following beneficial effects:

[0015] By setting the driving motor, transmission wheel, clamp, gear, limit groove, positioning groove, tooth block and roller, the driving motor runs to drive the transmission wheel and gear to rotate, and the outer wall of the transmission wheel is fixed and limited by the clamp to prevent it from falling off. When rotating, the gear is connected with the tooth block to drive the door panel to slide up and down on the inner wall of the limit groove to open and close the door. The roller makes the door panel more flexible when moving up and down, and the positioning groove is used to support the bottom end of the door panel when the door panel is closed to prevent it from moving downward, so that the seal is tighter and the safety hazard is reduced. When the elevator floor door is subjected to a large external installation, it can be prevented from falling into the elevator shaft, thereby achieving the best use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is an enlarged view of the gear and the gear block in the utility model;

[0018] Figure 3 It is a front view of the frame in the utility model;

[0019] Figure 4 It is a front view of the door panel in the utility model.

[0020] In the figure: 1. frame; 2. reserved opening; 3. bracket; 4. drive motor; 5. transmission wheel; 6. clamp; 7. gear; 8. limit block; 9. limit groove; 10. positioning groove; 11. door panel; 12. strip groove; 13. tooth block; 14. roller; 15. warning light. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in 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.

[0022] See also Figures 1 to 4 The utility model provides a technical solution: an anti-falling device for elevator floor doors, comprising a frame 1, an inner wall of the frame 1 is provided with a reserved opening 2, through which users can enter the elevator for riding, and a bracket 3 is fixedly installed on the outer wall of the frame 1 at the top of the reserved opening 2, and a driving motor 4 is fixedly connected to the top of the bracket 3. The driving motor 4 is operated to drive the transmission wheel 5 and the gear 7 to rotate, and the output end of the driving motor 4 is rotatably provided with a transmission wheel 5, and the outer walls of the two ends of the transmission wheel 5 are sleeved with clamps 6, and the outer wall of the transmission wheel 5 is clamped by the clamps 6. Fixed limit to prevent falling off, and gears 7 are fixedly connected to both ends of the transmission wheel 5, limit blocks 8 are fixedly installed on both sides of the inner wall of the frame 1, and the inner wall of the limit block 8 is provided with a limit groove 9, a positioning groove 10 is provided on the upper surface of the bottom end of the frame 1, a door panel 11 is slidably installed on the inner wall of the positioning groove 10, and grooves 12 are provided on both sides of the outer wall of the door panel 11, and tooth blocks 13 are fixedly installed on the inner wall of the groove 12, and rollers 14 are rotatably installed on both sides of the outer wall of the door panel 11, and the rollers 14 make the door panel 11 more flexible when moving up and down, and an alarm light 15 is provided at the center of the outer wall of the door panel 11.

[0023] The outer wall of the driving motor 4 is wrapped with an insulating sleeve, and the insulating sleeve is made of rubber components to prevent leakage, which is safe and reliable. The clamp 6 is C-shaped, and one end of the clamp 6 is fixedly connected to the outer wall of the frame 1. The gear 7 passes through the frame 1 and is gear-connected to the gear block 13. The bottom end of the door panel 11 is engaged with the inner wall of the positioning groove 10 when closed, and one side of the roller 14 is in contact with the inner wall of the limit groove 9.

[0024] The specific implementation methods disclosed in the present invention omit detailed descriptions of known functions and known components. To ensure the compatibility of the equipment, the operating methods adopted are consistent with the parameters of commercially available equipment.

[0025] In summary, the operating steps of the anti-falling device for elevator landing doors are as follows:

[0026] When in use, the driving motor 4 is driven to work, driving the transmission wheel 5 and the gear 7 to rotate, and the outer wall of the transmission wheel 5 is fixed and limited by the clamp 6 to prevent it from falling off. The gear 7 is connected with the tooth block 13 when rotating, driving the door panel 11 to slide up and down on the inner wall of the limiting groove 9 to open and close the door. The roller 14 makes the door panel 11 more flexible when moving up and down. The positioning groove 10 is used to support the bottom end of the door panel 11 when the door panel 11 is closed to prevent it from moving downward. The reserved opening 2 is convenient for users to enter the elevator and take a ride.

[0027] 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. An anti-falling device for an elevator landing door, comprising a frame (1), characterized in that: The inner wall of the frame (1) is provided with a reserved opening (2), and a bracket (3) is fixedly installed at the top of the reserved opening (2) and located on the outer wall of the frame (1), the top of the bracket (3) is fixedly connected to a driving motor (4), and a transmission wheel (5) is rotatably installed at the output end of the driving motor (4), the outer walls of both ends of the transmission wheel (5) are sleeved with clamps (6), and gears (7) are fixedly connected to both ends of the transmission wheel (5), and limit blocks (8) are fixedly installed on both sides of the inner wall of the frame (1). ), and a limiting groove (9) is provided on the inner wall of the limiting block (8), a positioning groove (10) is provided on the upper surface of the bottom end of the frame (1), a door panel (11) is slidably mounted on the inner wall of the positioning groove (10), and strip grooves (12) are provided on both sides of the outer wall of the door panel (11), a tooth block (13) is fixedly mounted on the inner wall of the strip groove (12), rollers (14) are rotatably mounted on both sides of the outer wall of the door panel (11), and an alarm light (15) is provided at the center of the outer wall of the door panel (11).

2. The anti-falling device for elevator landing door according to claim 1, characterized in that: The outer wall of the driving motor (4) is wrapped with an insulating sleeve, and the insulating sleeve is made of a rubber component.

3. The anti-falling device for elevator landing door according to claim 1, characterized in that: The clamp (6) is C-shaped, and one end of the clamp (6) is fixedly connected to the outer wall of the frame (1).

4. The anti-falling device for elevator landing door according to claim 1, characterized in that: The gear (7) passes through the frame (1) and is gear-movingly connected to the gear block (13).

5. The anti-falling device for elevator landing door according to claim 1, characterized in that: The bottom end of the door panel (11) is engaged with the inner wall of the positioning groove (10) when closed.

6. The anti-falling device for elevator landing door according to claim 1, characterized in that: One side of the roller (14) abuts against the inner wall of the limiting groove (9).

Images