Elevator sill with protective structure

By designing a protective structure in the elevator sill and using the worm gear and worm gear reduction motor to drive the inclined protective plate to unfold, the safety hazards caused by the elevator clearance passage are solved, effective protection against items falling, and the safety of the elevator is improved.

CN222907248UActive Publication Date: 2025-05-27YACHAO (HENAN) CONSTRUCTION CO LTD
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Patent Information

Application Number
CN202421032753.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-13
Publication Date
2025-05-27
Estimated Expiration
2034-05-13

AI Technical Summary

Technical Problem

The existing elevator sill design has gap passages, which makes it easy for women's high heels and small items to snap into or fall into the elevator shaft, posing a safety hazard.

Method used

Design an elevator sill with a protective structure. By installing protective structures inside the inner bottom plate of the elevator cab, including sliding grooves, inclined protective plates, sliding sleeves, installation rods, guide rods, worm gear and worm gear reducer motors, the ball screws and ball nuts are driven to move, and the inclined protective plates are driven to unfold the upper part of the gap between the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor sill of the floor s

Benefits of technology

It effectively protects the gap between the floor sill of the floor door and the car sill, increases the safety of the elevator, prevents items from falling into the elevator shaft, and improves the user experience of passengers.

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    Figure CN222907248U_ABST
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Abstract

The utility model discloses an elevator sill with a protective structure, which comprises an elevator car, a car door and a landing door are arranged on the outer surface of the front end of the elevator car, an elevator car sill is arranged on the lower portion of the car door, a landing door sill is arranged on the lower portion of the landing door, an elevator car inner bottom plate is fixedly arranged on the lower portion of an inner cavity of the elevator car, and a protective cover is arranged on the elevator car inner bottom plate. A protection structure is arranged in the elevator car inner bottom plate and comprises a sliding groove, a slope protection plate, a sliding sleeve, a mounting rod, a guide rod, a mounting cavity, a ball screw, a worm and gear speed reducing motor, a ball nut, a first connecting block, a connecting rod and a second connecting block, and the mounting cavity is formed in the elevator car inner bottom plate. The sliding groove is formed in the middle of the outer surface of the front end of the inner bottom plate of the elevator car and communicates with the mounting cavity. The elevator sill with the protection structure has the advantages that a gap between the landing door sill and the lift car sill can be protected conveniently, safety is improved, and the like.
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Description

Technical Field

[0001] The utility model relates to the technical field of elevators, and specifically relates to an elevator sill with a protection structure. Background Technique

[0002] Elevators have been widely used in social production and life. Its basic principle is to use a motor and a pulley mechanism to drive the car to move up and down in the elevator shaft; the door system of the elevator includes the car door of the car and the landing doors on each floor. The car door and the landing door are respectively slidably matched with the car sill and the landing sill, and can realize the opening and closing functions. Based on the operating principle of the elevator, there is a certain horizontal gap between the car sill and the landing sill, and this gap leads to the elevator shaft, which causes the high heels of female passengers to easily get stuck in the gap, forming a safety hazard. In addition, when passengers enter and exit the car, some small items, such as keys and mobile phones, often fall into the elevator shaft through the above-mentioned gap, causing losses.

[0003] It has brought certain adverse effects to the use process of people. For this reason, we propose an elevator sill with a protection structure. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] Aiming at the deficiencies of the prior art, the utility model provides an elevator sill with a protection structure, which has the advantages of being convenient for protecting the gap between the landing sill and the car sill and increasing safety, and can effectively solve the problems in the background technique.

[0006] (2) Technical Solutions

[0007] To achieve the above purpose, the technical solution adopted by the utility model is: an elevator sill with a protection structure, including a car, the front outer surface of the car is provided with a car door and a landing door, the lower part of the car door is provided with a car sill, the lower part of the landing door is provided with a landing sill, and the lower part of the inner cavity of the car is fixedly installed with an inner bottom plate of the elevator car. A protection structure is arranged inside the inner bottom plate of the elevator car. The protection structure includes a chute, an inclined protection plate, a sliding sleeve, a mounting rod, a guide rod, a mounting cavity, a ball screw, a worm and gear reduction motor, a ball nut, a first connecting block, a connecting rod and a second connecting block. The mounting cavity is opened inside the inner bottom plate of the elevator car, and the chute is opened in the middle of the front outer surface of the inner bottom plate of the elevator car, and the chute communicates with the mounting cavity.

[0008] Preferably, the worm and gear reduction motor is fixedly installed in the middle of one end of the mounting cavity. The number of the guide rods, sliding sleeves, connecting rods and first connecting blocks is two groups. The two groups of guide rods are fixedly installed on the left and right sides of the mounting cavity. The ball screw is located on the outer surface of one end of the worm and gear reduction motor, which is convenient for driving the inclined protection plate to move.

[0009] Preferably, the mounting rod is located inside the mounting cavity. The second connecting block is fixedly installed in the middle of the outer surface of the left side of the mounting rod. The inclined surface protection plate is fixedly installed on one end outer surface of the second connecting block. The connecting rods are fixedly installed on the left and right sides of the outer surface of the right side of the mounting rod. The sliding sleeves are fixedly installed on the outer surfaces of both ends of the mounting rod, enhancing stability.

[0010] Preferably, the ball nut is located on the outer wall of the ball screw. The first connecting block is fixedly installed on both outer surfaces of the ball nut. One end of the outer surface of one side of the connecting rod is fixedly connected to one end of the outer surface of the first connecting block, facilitating the movement of the inclined surface protection plate.

[0011] Preferably, the sliding sleeve is slidably connected to the outer wall of the guide rod. The inclined surface protection plate, the sliding sleeve and the sliding groove are all slidably connected, enhancing stability.

[0012] Preferably, the sliding sleeve is slidably connected to the outer wall of the guide rod. The ball nut is threadedly connected to the ball screw. A coupling is provided between the ball screw and the worm and gear reduction motor. One end of the outer surface of the ball screw is fixedly connected to one end of the outer surface of the worm and gear reduction motor through the coupling, further enhancing stability.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, the present utility model provides an elevator sill with a protection structure, having the following beneficial effects:

[0015] 1. For this elevator sill with a protection structure, through the provided inclined surface protection plate, it is convenient to protect the gap between the landing sill and the car sill, facilitating the enhancement of protection performance.

[0016] 2. For this elevator sill with a protection structure, through the provided worm and gear reduction motor, it is convenient to drive the ball screw to rotate, and drive the inclined surface protection plate to retract and extend through the screw drive method. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of an elevator sill with a protection structure according to the present utility model.

[0018] Figure 2 It is a schematic diagram of a partial structure of an elevator sill with a protection structure according to the present utility model.

[0019] Figure 3 It is a schematic diagram of the structure of the inner bottom plate of the elevator car and the protection structure in an elevator sill with a protection structure according to the present utility model.

[0020] Figure 4An elevator sill with a protection structure of the utility model Figure 3 Top view sectional view.

[0021] In the figure: 1, car; 2, car door; 3, landing door; 4, inner bottom plate of the elevator car; 5, protection structure; 6, landing sill; 7, car sill; 8, chute; 9, inclined surface protection plate; 10, sliding sleeve; 11, mounting rod; 12, guide rod; 13, mounting cavity; 14, ball screw; 15, worm and worm gear reduction motor; 16, ball nut; 17, first connecting block; 18, connecting rod; 19, second connecting block. Specific embodiments

[0022] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] This embodiment is an elevator sill with a protection structure.

[0024] As Figures 1-4 shown, it includes a car 1. A car door 2 and a landing door 3 are arranged on the outer surface of the front end of the car 1. A car sill 7 is arranged at the lower part of the car door 2, and a landing sill 6 is arranged at the lower part of the landing door 3. And the lower part of the inner cavity of the car 1 is fixedly installed with an inner bottom plate 4 of the elevator car. A protection structure 5 is arranged inside the inner bottom plate 4 of the elevator car. The protection structure 5 includes a chute 8, an inclined surface protection plate 9, a sliding sleeve 10, a mounting rod 11, a guide rod 12, a mounting cavity 13, a ball screw 14, a worm and worm gear reduction motor 15, a ball nut 16, a first connecting block 17, a connecting rod 18 and a second connecting block 19. And the mounting cavity 13 is opened inside the inner bottom plate 4 of the elevator car. The chute 8 is opened in the middle of the outer surface of the front end of the inner bottom plate 4 of the elevator car. The chute 8 communicates with the mounting cavity 13.

[0025] The worm and worm gear reduction motor 15 is fixedly installed in the middle of one end of the installation cavity 13. The number of guide rods 12, sliding sleeves 10, connecting rods 18 and the first connecting block 17 is two groups. The two groups of guide rods 12 are fixedly installed on the left and right sides of the installation cavity 13. The ball screw 14 is located on the outer surface of one end of the worm and worm gear reduction motor 15; the installation rod 11 is located inside the installation cavity 13. The second connecting block 19 is fixedly installed in the middle of the outer surface of the left side of the installation rod 11. The inclined surface protection plate 9 is fixedly installed on the outer surface of one end of the second connecting block 19. The connecting rods 18 are fixedly installed on the left and right sides of the outer surface of the right side of the installation rod 11. The sliding sleeves 10 are fixedly installed on the outer surfaces of both ends of the installation rod 11; the ball nut 16 is located on the outer wall of the ball screw 14. The first connecting block 17 is fixedly installed on the outer surfaces of both sides of the ball nut 16. One end of the outer surface of one side of the connecting rod 18 is fixedly connected to one end of the outer surface of the first connecting block 17; the sliding connection is between the outer walls of the sliding sleeve 10 and the guide rod 12. The sliding connections are between the inclined surface protection plate 9, the sliding sleeve 10 and the chute 8; the sliding connection is between the outer walls of the sliding sleeve 10 and the guide rod 12. The threaded connection is between the ball nut 16 and the ball screw 14. A coupling is provided between the ball screw 14 and the worm and worm gear reduction motor 15. One end of the outer surface of the ball screw 14 is fixedly connected to one end of the outer surface of the worm and worm gear reduction motor 15 through the coupling.

[0026] It should be noted that the present utility model is an elevator sill with a protection structure. Through the elevator car inner bottom plate 4 provided, a protection structure 5 is installed inside the elevator car inner bottom plate 4. When the car door 2 and the landing door 3 are opened, the rotation of the worm and worm gear reduction motor 15 drives the ball screw 14 to rotate. The rotation of the ball screw 14 drives the ball nut 16 to move. The ball nut 16 drives the installation rod 11 to move through the first connecting block 17 and the connecting rod 18. The installation rod 11 drives the second connecting block 19 to move. The second connecting block 19 drives the inclined surface protection plate 9 to move out of the chute 8, so that the inclined surface protection plate 9 is located above the gap between the car sill 7 and the landing sill 6, which is convenient for playing a protective role and preventing objects from falling into the elevator shaft through the gap between the landing sill 6 and the car sill 7. And through the provided sliding sleeve 10 and guide rod 12, it is convenient to increase the stability of the movement of the inclined surface protection plate 9 and the second connecting block 19.

[0027] It should be noted that in this text, relational terms such as first and second (No. 1, No. 2, etc.) are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variation thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0028] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. An elevator sill with a protective structure, comprising a car (1), characterized in that: The front end outer surface of the car (1) is provided with a car door (2) and a landing door (3); the lower part of the car door (2) is provided with a car sill (7); the lower part of the landing door (3) is provided with a landing door sill (6); and the lower part of the inner cavity of the car (1) is fixedly installed with an elevator car bottom plate (4); the interior of the elevator car bottom plate (4) is provided with a protective structure (5); the protective structure (5) comprises a slide groove (8), a slope protective plate (9), and a sliding sleeve (10). , a mounting rod (11), a guide rod (12), a mounting cavity (13), a ball screw (14), a worm gear reduction motor (15), a ball nut (16), a first connecting block (17), a connecting rod (18) and a second connecting block (19), wherein the mounting cavity (13) is opened inside the elevator car inner bottom plate (4), the slide groove (8) is opened in the middle of the front end outer surface of the elevator car inner bottom plate (4), and the slide groove (8) is communicated with the mounting cavity (13).

2. The elevator sill with a protective structure according to claim 1, characterized in that: The worm gear reduction motor (15) is fixedly mounted in the middle of one end of the installation cavity (13); the guide rod (12), the sliding sleeve (10), the connecting rod (18) and the first connecting block (17) are each provided in two groups; the two groups of guide rods (12) are fixedly mounted on the left and right sides of the installation cavity (13); and the ball screw (14) is located on the outer surface of one end of the worm gear reduction motor (15).

3. The elevator sill with a protective structure according to claim 2, characterized in that: The mounting rod (11) is located inside the mounting cavity (13); the second connecting block (19) is fixedly mounted on the middle part of the left outer surface of the mounting rod (11); the inclined protective plate (9) is fixedly mounted on the outer surface of one end of the second connecting block (19); the connecting rod (18) is fixedly mounted on the left and right sides of the right outer surface of the mounting rod (11); and the sliding sleeve (10) is fixedly mounted on the outer surfaces of both ends of the mounting rod (11).

4. The elevator sill with a protective structure according to claim 3, characterized in that: The ball nut (16) is located on the outer wall of the ball screw (14), the first connecting block (17) is fixedly mounted on the outer surfaces of both sides of the ball nut (16), and one end of the outer surface of one side of the connecting rod (18) is fixedly connected to the outer surface of one end of the first connecting block (17).

5. The elevator sill with a protective structure according to claim 4, characterized in that: The sliding sleeve (10) and the outer wall of the guide rod (12) are in sliding connection, and the inclined surface protection plate (9), the sliding sleeve (10) and the sliding groove (8) are all in sliding connection.

6. The elevator sill with a protective structure according to claim 5, characterized in that: The sliding sleeve (10) and the outer wall of the guide rod (12) are slidably connected, the ball nut (16) and the ball screw (14) are threadedly connected, a coupling is provided between the ball screw (14) and the worm gear reduction motor (15), and the outer surface of one end of the ball screw (14) is fixedly connected to the outer surface of one end of the worm gear reduction motor (15) through the coupling.