CN117125581A - Telescopic car door sill and telescopic control method - Google Patents

Abstract

The application discloses a telescopic car door sill and a telescopic control method, and relates to the technical field of elevator sills. The elevator comprises a car, a car door sill and a landing door sill, wherein the car door sill is arranged on one side of the car and is in clearance with the landing door sill, a fixed plate is arranged on one side of the car, a transverse moving rod is arranged on the fixed plate in a sliding mode, a pedal is arranged on the transverse moving rod, and the pedal is in abutting lap joint with the car door sill and the landing door sill. When the car runs, the driving part drives the rotating rod to rotate, the power part stores the kinetic energy of the rotation of the rotating rod, when the car stops running, the power part transmits the stored kinetic energy to the rotating shaft and drives the rotating shaft to rotate, the driving part drives the shaft rod to intermittently rotate, the driving part drives the transverse moving rod to slide along the horizontal direction, the pedals are driven to move together until the pedals are in abutting lap joint with the landing sill, the phenomenon that sundries fall from a gap to enter a hoistway to cause equipment damage is avoided, and potential safety hazards caused by the gap are eliminated.

Description

Telescopic car door sill and telescopic control method

Technical Field

The application relates to the technical field of elevator sills, in particular to a telescopic car door sill and a telescopic control method.

Background

The elevator is a vertical elevator taking a motor as power, is provided with a box-shaped nacelle and is used for taking passengers or carrying goods of a multi-storey building, the modern elevator mainly comprises a traction machine, a guide rail, a counterweight, a safety device, a signal control system, a car, a hoistway door and the like, the elevator sill is a grooved metal pedal of the elevator car or a landing door inlet in and out of the car, is a metal horizontal member with an opening part such as an entrance and the like clung to the ground, and is divided into a car sill and a landing door sill, wherein the car sill is also called a car door sill, in the prior art, a gap of about 30 mm is reserved between the car door sill and the landing door sill in order to ensure the normal operation safety distance of the elevator, so that the risk of shaking, interference, collision and the like of the car in the operation process is avoided, but the existence of the gap is easy to clamp a high-heeled heel, wheels of the car and the like, sundries are easy to fall from the gap, equipment is damaged, a certain potential safety hazard is caused, the articles falling through the gap are difficult to find, and need to stop and special personnel to process, and property loss is easy to cause telescopic door sill, and a telescopic control method.

Disclosure of Invention

The application aims at: the application provides a telescopic car door sill and a telescopic control method, which are used for solving the technical problems that the high-heeled shoe heel, the trolley wheels and the like are easy to be clamped in the gaps, sundries easily fall from the gaps and enter a hoistway, equipment is damaged and certain potential safety hazards exist.

The application adopts the following technical scheme for realizing the purposes:

the telescopic car door sill comprises a car, a car door sill and a landing door sill, wherein the car door sill is arranged on one side of the car and is in clearance with the landing door sill, a fixed plate is arranged on one side of the car, a transverse moving rod is arranged on the fixed plate in a sliding mode, a pedal is arranged on the transverse moving rod, and the pedal is in abutting lap joint with the car door sill and the landing door sill;

the elevator car comprises a fixed frame, wherein the fixed frame is arranged at the bottom of the elevator car, a rotating rod, a rotating shaft and a shaft rod which are sequentially distributed are rotationally arranged on the fixed frame, driving parts are arranged on the rotating rod, the fixed frame and the rotating shaft, power parts are arranged on the rotating shaft and the shaft rod, driving parts are arranged on the shaft rod and the transverse moving rod, when the elevator car runs, the rotating rod is driven to rotate by the driving parts, kinetic energy of the rotating rod is stored by the power parts, and when the elevator car stops running, the stored kinetic energy is transmitted to the rotating shaft by the power parts and is driven to rotate, the shaft rod is driven to intermittently rotate by the driving parts, and the transverse moving rod is driven to slide by the driving parts;

the reset piece is arranged on the fixed plate and the transverse moving rod and is used for driving the transverse moving rod to slide to an initial position.

Further, the driving piece comprises fan blades arranged on the rotating rod, and an air duct positioned on the periphery side of the fan blades is arranged on the fixing frame.

Further, both ends of the air duct are configured to be outwardly expanded in a cone shape.

Further, the power piece is including seting up the waist hole on the mount, waist downthehole activity is provided with the movable rod, be provided with fixed gear, clockwork spring and the limiting plate that distributes in proper order on the bull stick, clockwork spring's both ends respectively with bull stick and mount fixed connection, limiting plate contradicts overlap joint with the mount, be provided with connecting gear and the driving gear of interval distribution on the movable rod, connecting gear and fixed gear meshing, be provided with the interlock gear with driving gear meshing in the pivot.

Further, the driving medium is including setting up in epaxial drive gear, it is provided with two interval distribution's gyro wheel to rotate on the drive gear, be provided with on the axostylus axostyle with drive gear engagement's lack the gear, be provided with the beaver tailboard rather than breach department corresponds on the lack the gear, beaver tailboard and two gyro wheels all contradict overlap joint.

Further, the driving part comprises a cam arranged on the shaft rod, the transverse moving rod is L-shaped, a mounting plate is arranged at the free end of the transverse moving rod, and a contact wheel which is in contact lap joint with the cam in a contact mode is rotatably arranged on the mounting plate.

Further, the periphery side of the cam is composed of an arc surface, two symmetrically distributed inclined surfaces and a plane, and the length of the plane is larger than the diameter of the abutting wheel.

Further, the reset piece comprises a sliding rod which is arranged on the transverse moving rod and is in sliding fit with the fixed plate, a limiting block is arranged at the free end of the sliding rod, and a reset spring sleeved on the sliding rod is arranged between the limiting block and the fixed plate.

Further, a rubber cushion block is arranged on one side, close to the landing sill, of the pedal, and the rubber cushion block and the car door sill are located on the same plane.

The telescopic control method of the telescopic car door sill comprises the following steps:

the elevator car runs, the pedal and the rubber cushion block are far away from the landing sill, a gap exists between the landing sill and the landing sill, the gap of the gear is far away from the transmission gear, the beaver tail plate is far away from the two rollers, the contact wheel is abutted against the cambered surface of the cam to be overlapped, the limiting block is far away from the fixed plate, the reset spring is in a natural state, wind in the hoistway enters the wind barrel and drives the fan blade to rotate together with the rotating rod, the fixed gear and the limiting plate are driven to rotate together, the spring is compressed, the connecting gear rotates due to meshing action, the movable rod and the driving gear are driven to rotate together, meanwhile, the movable rod slides in the waist hole, and the driving gear is far away from the linkage gear;

s2: the car stops running, the spring returns to the natural state because of being compressed, the rotating rod is driven, the fan blade, the fixed gear and the limiting plate rotate together, the connecting gear rotates because of the meshing action, the movable rod rotates together with the driving gear, meanwhile, the movable rod slides in the waist hole, the driving gear is meshed with the linkage gear, the linkage gear rotates because of the meshing action and drives the rotating shaft to rotate together with the transmission gear, the gear lack rotates because of the meshing action and drives the beaver tail plate, the shaft rod and the cam to rotate together, through the cambered surface, the inclined surface and the planar transition of the cam, the abutting wheel is driven to linearly move with the mounting plate, the sliding rod slides together with the sliding rod, the pedal moves together with the sliding rod, the rubber cushion block abuts against the landing sill, the limiting block is close to the fixed plate and forces the reset spring to be extruded, when the gear lack rotates for half a circle, the beaver tail plate abuts against the two rollers and stays between the two rollers for a period of time, the abutting wheel stays on the plane of the cam, namely the rubber cushion block abuts against the landing sill for a period of time, then the movable rod, the lack gear and the cam all recover to the initial position, the reset spring is reset to the natural state because of being extruded, the rubber cushion block and the initial position recover to the initial position.

The beneficial effects of the application are as follows: when the car runs, the driving piece drives the rotating rod to rotate, the power piece stores the kinetic energy of the rotation of the rotating rod, when the car stops running, the power piece transmits the stored kinetic energy to the rotating shaft and drives the rotating shaft to rotate, the transmission piece drives the shaft rod to intermittently rotate, the driving part drives the transverse moving rod to slide along the horizontal direction, the pedal is driven to move together until the pedal is in abutting lap joint with the landing sill, the pedal fills a gap between the landing sill and the landing sill, and then the reset piece drives the transverse moving rod to slide to an initial position along the horizontal direction, the pedal is driven to move together to be far away from the landing sill, the car can continue running, the phenomenon that the heel of a high heel, wheels of a car are blocked due to the existence of the gap is avoided, sundries fall into a well from the gap to cause equipment damage is avoided, and potential safety hazards caused by the gap are eliminated, so the car elevator car has practicability.

Drawings

FIG. 1 is a perspective view of the structure of the present application;

FIG. 2 is a perspective cross-sectional view of the present application;

FIG. 3 is an enlarged view of the application at A in FIG. 2;

FIG. 4 is an enlarged view of the application at B in FIG. 2;

FIG. 5 is an enlarged view of the application at C in FIG. 2;

FIG. 6 is a perspective view of a portion of the structure of the present application;

FIG. 7 is an enlarged view of the application at D in FIG. 6;

fig. 8 is an enlarged view of the application at E in fig. 6.

Reference numerals: 1. a car; 2. a car door sill; 3. landing sill; 4. a fixing plate; 5. a traversing lever; 6. a pedal; 7. a fixing frame; 8. a rotating rod; 9. a rotating shaft; 10. a shaft lever; 11. a driving member; 1101. a fan blade; 1102. an air duct; 12. a power member; 1201. waist holes; 1202. a movable rod; 1203. a fixed gear; 1204. a clockwork spring; 1205. a limiting plate; 1206. a connecting gear; 1207. a drive gear; 1208. a linkage gear; 13. a transmission member; 1301. a transmission gear; 1302. a roller; 1303. a gear-missing; 1304. a beaver tail; 14. a driving section; 1401. a cam; 1402. a mounting plate; 1403. a contact wheel; 15. a reset member; 1501. a slide bar; 1503. a return spring; 16. and a rubber cushion block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.

As shown in fig. 1 to 8, a telescopic car door sill provided by an embodiment of the application comprises a car 1, a car door sill 2 and a landing sill 3, wherein the car door sill 2 is arranged on one side of the car 1 and is in clearance with the landing sill 3, the car door sill 2 and the landing sill 3 are both in horizontal directions, the car door sill 2 is fixedly connected with the car 1, a fixed plate 4 is arranged on one side of the car 1, the fixed plate 4 is in horizontal directions and is fixedly connected with the car 1, a transverse moving rod 5 is arranged on the fixed plate 4 in a sliding manner, the transverse moving rod 5 slides along the horizontal directions, a pedal 6 is arranged on the transverse moving rod 5, the pedal 6 is in horizontal directions and is fixedly connected with the transverse moving rod 5, and the pedal 6 is in abutting lap joint with the car door sill 2 and the landing sill 3;

the fixed frame 7 is arranged at the bottom of the car 1, the fixed frame 7 is fixedly connected with the car 1, a rotating rod 8, a rotating shaft 9 and a shaft lever 10 which are sequentially distributed are rotationally arranged on the fixed frame 7, the rotating rod 8, the rotating shaft 9 and the shaft lever 10 are all in vertical directions, driving parts 11 are arranged on the rotating rod 8 and the fixed frame 7, power parts 12 are arranged on the rotating rod 8, the fixed frame 7 and the rotating shaft 9, transmission parts 13 are arranged on the rotating shaft 9 and the shaft lever 10, a driving part 14 is arranged on the shaft lever 10 and the transverse moving rod 5, when the car 1 runs, the rotating rod 8 is driven to rotate through the driving parts 11, kinetic energy of the rotating rod 8 is stored through the power parts 12, and when the car 1 stops running, the stored kinetic energy is transmitted to the rotating shaft 9 and is driven to rotate through the transmission parts 13 to drive the shaft lever 10 to intermittently rotate, and the transverse moving rod 5 is driven to slide through the driving parts 14;

the reset piece 15 is arranged on the fixed plate 4 and the traversing rod 5 and is used for driving the traversing rod 5 to slide to an initial position;

in the initial state, the car 1 is in a stop running state, at this moment, the pedal 6 and the sideslip rod 5 are far away from the landing sill 3, a gap exists between the car door sill 2 and the landing sill 3, when the car 1 runs, the driving piece 11 drives the rotating rod 8 to rotate, meanwhile, the kinetic energy of the rotating rod 8 is stored through the power piece 12, when the car 1 stops running, the stored kinetic energy is transmitted to the rotating shaft 9 through the power piece 12 and drives the rotating shaft 9 to rotate, meanwhile, the driving piece 13 drives the intermittent rotation of the shaft rod 10, the intermittent rotation means that the shaft rod 10 stays for a period of time when rotating for half a turn, then continues to rotate, the sideslip rod 5 is driven to slide along the horizontal direction through the driving part 14, the pedal 6 is driven to move together until the pedal 6 is in lap joint with the landing sill 3, the gap existing between the car door sill 2 and the landing sill 3 is filled through the pedal 6, and the corresponding pedal 6 stays when the pedal 6 is in lap joint with the landing sill 3 when the pedal is in lap joint when the corresponding to stop running, and then the sideslip rod 15 stays for a period of time, the sideslip rod 5 is driven to slide along the horizontal direction to the initial position of the shaft rod 5 and moves away from the landing sill 3 after the landing sill 1 continuously;

in summary, in the application, when the car 1 runs, the driving member 11 drives the rotating rod 8 to rotate, the power member 12 stores the kinetic energy of the rotating rod 8, when the car 1 stops running, the power member 12 transmits the stored kinetic energy to the rotating shaft 9 and drives the rotating rod 10 to rotate, the transmission member 13 drives the shaft 10 to rotate intermittently, the driving part 14 drives the traversing rod 5 to slide along the horizontal direction, the pedals 6 are driven to move together until the pedals 6 are in abutting joint with the landing sill 3, the gap between the car door sill 2 and the landing sill 3 is filled by the pedals 6, and then the traversing rod 5 is driven to slide along the horizontal direction to the initial position by the reset member 15, so that the pedals 6 are driven to move together to be far away from the landing sill 3, the car 1 can continue running, the phenomenon that high heel heels, trolley wheels and the like are blocked due to the existence of the gap is avoided, meanwhile, sundries drop from the gap into a well is avoided, the phenomenon of equipment damage is caused, the potential safety hazard caused by the gap is eliminated, and the practicability is improved.

As shown in fig. 3, in some embodiments, the driving member 11 includes a fan blade 1101 disposed on the rotating rod 8, the fan blade 1101 is vertically disposed and fixed at the bottom end of the rotating rod 8, the fixing frame 7 is provided with a wind barrel 1102 located at the peripheral side of the fan blade 1101, and the wind barrel 1102 is vertically disposed and fixed on the fixing frame 7;

referring to the above, when the car 1 runs, wind in the hoistway can enter the wind barrel 1102 and drive the fan blades 1101 to rotate, so that the rotating rod 8 is driven to rotate, and as the power source driving the rotating rod 8 to rotate is kinetic energy of the car 1 running and wind energy in the hoistway, no additional power is needed, the operation is more convenient, and meanwhile, the energy is saved and the environment is protected.

As shown in fig. 3, in some embodiments, both ends of the wind barrel 1102 are configured to taper outwardly;

with reference to the above, the conical design may increase the air intake to some extent, thereby stabilizing the rotation of the fan 1101.

As shown in fig. 4-7, in some embodiments, the power member 12 includes a waist hole 1201 formed on the fixing frame 7, the waist hole 1201 is formed in an inclined shape along a horizontal direction, a movable rod 1202 is movably disposed in the waist hole 1201, the movable rod 1202 is in a vertical direction, the movable rod 1202 can slide and rotate along the horizontal direction in the waist hole 1201, a fixed gear 1203, a spring 1204 and a limiting plate 1205 are sequentially disposed on the rotating rod 8, the fixed gear 1203, the spring 1204 and the limiting plate 1205 are all in a horizontal direction and are sequentially disposed from bottom to top, the fixed gear 1203 and the limiting plate 1205 are fixedly connected with the rotating rod 8, two ends of the spring 1204 are fixedly connected with the rotating rod 8 and the fixing frame 7 respectively, the limiting plate 1205 is in abutting lap joint with the fixing frame 7, the movable rod 1202 is provided with a connecting gear 1206 and a driving gear 1207 which are alternately disposed, the connecting gear 1206 and the driving gear 1207 are fixedly disposed on the movable rod 1202 and are vertically and alternately disposed, the connecting gear 1206 is meshed with the fixed gear 1203, the rotating shaft 9 is provided with a gear 1208 meshed with the driving gear 1207, and the rotating shaft 1208 is horizontally meshed with the rotating shaft 1208 and fixedly disposed on the rotating shaft 9;

referring to the above, in the initial state, the spring 1204 is in the natural state, the limiting plate 1205 is in abutting joint with the fixing frame 7, the connecting gear 1206 is meshed with the fixed gear 1203, the driving gear 1207 is meshed with the linking gear 1208, the movable rod 1202 is close to the rotating shaft 9, when the car 1 is running, the rotating rod 8 rotates to drive the fixed gear 1203 to rotate together with the limiting plate 1205, the limiting plate 1205 is away from the fixing frame 7 first, then is in abutting joint with the fixing frame 7, the spring 1204 is compressed, the connecting gear 1206 rotates due to the meshing effect to drive the movable rod 1202 to rotate together with the driving gear 1207, meanwhile, the movable rod 1202 slides in the waist hole 1201 to be far away from the rotating shaft 9, the driving gear 1207 is far away from the linking gear 1208, and at this time, the rotating shaft 9 is in the relatively stationary state, the kinetic energy of the rotating rod 8 is stored by the spring 1204, when the car 1 is stopped running, the spring 1204 is driven to reset to the natural state due to the compression, the rotating rod 8, the fixed gear 1203 and the limiting plate 1205 rotate together, the connecting gear 1206 rotates due to the meshing effect to the rotating, the movable rod 1202 rotates together with the driving gear 1207, the waist hole 1202 rotates, the movable rod 1208 rotates along with the driving gear 1208, the rotating shaft 1208 is driven to rotate along with the rotating shaft 9, and the rotating shaft is meshed with the driving gear 1208, and is simultaneously driven to rotate along with the rotating shaft 1209.

As shown in fig. 5-8, in some embodiments, the transmission member 13 includes a transmission gear 1301 disposed on the rotating shaft 9, the transmission gear 1301 is horizontally and fixedly connected with the rotating shaft 9, two rollers 1302 disposed at intervals are rotatably disposed on the transmission gear 1301, the two rollers 1302 are horizontally and annularly disposed in an array, a gear lack 1303 meshed with the transmission gear 1301 is disposed on the shaft 10, the gear lack 1303 is horizontally and fixedly disposed on the shaft 10, a beaver tail 1304 corresponding to a notch of the gear lack 1303 is disposed on the gear lack 1303, the beaver tail 1304 is horizontally and fixedly disposed on the gear lack 1303, and the beaver tail 1304 is in abutting joint with the two rollers 1302;

referring to the above, in the initial state, the notches of the beaver tail plate 1304 and the hypo-gear 1303 are far away from the transmission gear 1301, when the rotating shaft 9 rotates, the transmission gear 1301 is driven to rotate together, and the two rollers 1302 rotate together with the transmission gear 1301, meanwhile, the hypo-gear 1303 rotates together due to the meshing effect, and drives the beaver tail plate 1304 to rotate together, when the hypo-gear 1303 rotates for half a turn, the beaver tail plate 1304 and the two rollers 1302 are in abutting lap joint and stay between the two rollers for a period of time, namely, the shaft lever 10 also stays for a period of time, and then continues to rotate, so that the shaft lever 10 is driven to rotate intermittently, and the corresponding pedal 6 stays for a period of time when the shaft lever 10 rotates for half a turn and is in abutting lap joint with the landing sill 3.

As shown in fig. 5-8, in some embodiments, the driving part 14 includes a cam 1401 disposed on the shaft 10, the cam 1401 is horizontally disposed and fixed on the shaft 10, the traversing rod 5 is configured in an L shape, a mounting plate 1402 is disposed at a free end, the mounting plate 1402 is vertically disposed and fixedly connected with the traversing rod 5, a supporting wheel 1403 that is in a supporting overlap joint with the cam 1401 is rotatably disposed on the mounting plate 1402, and the supporting wheel 1403 is horizontally disposed;

referring to the above, in the initial state, the abutting wheel 1403 is far away from the protruding portion of the cam 1401, when the shaft lever 10 rotates, the cam 1401 is driven to rotate together, the protruding portion of the cam 1401 is close to the abutting wheel 1403, the abutting wheel 1403 is forced to move in the horizontal direction, the mounting plate 1402 is driven to move in the horizontal direction together with the traversing rod 5, the pedal 6 is driven to move together until the pedal 6 abuts against the landing sill 3, and then the protruding portion of the cam 1401 is far away from the abutting wheel 1403, so that the traversing rod 5 is driven to slide.

As shown in fig. 8, in some embodiments, the outer circumferential side of the cam 1401 is comprised of a cambered surface, two symmetrically distributed inclined surfaces, and a flat surface, the length of which is greater than the diameter of the interference wheel 1403;

referring to the above, in the initial state, the interference wheel 1403 is in interference overlap with the cambered surface of the cam 1401, the plane of the cam 1401 is far away from the interference wheel 1403, when the cam 1401 rotates, the interference wheel 1403 is in interference overlap with one of the inclined surfaces of the cam 1401, then the interference wheel 1403 is in interference overlap with the plane, the shaft lever 10 stays for a period of time, the interference wheel 1403 stays for a period of time on the plane, the stay process of the interference wheel 1403 can be more stable through the design that the length of the plane is greater than the diameter of the interference wheel 1403, then the shaft lever 10 continues to rotate, and the interference wheel 1403 is in interference overlap with the other inclined surface of the cam 1401, and then is in interference overlap with the cambered surface of the cam 1401 again.

As shown in fig. 5, in some embodiments, the reset member 15 includes a sliding rod 1501 disposed on the traversing rod 5 and slidably matched with the fixed plate 4, the sliding rod 1501 slides horizontally and horizontally, the sliding rod 1501 is fixedly connected with the traversing rod 5, a limiting block is disposed at a free end of the sliding rod 1501, the limiting block is fixedly connected with the sliding rod 1501 and forms a step structure, a reset spring 1503 sleeved on the sliding rod 1501 is disposed between the limiting block and the fixed plate 4, and two ends of the reset spring 1503 are respectively fixedly connected with the limiting block and the fixed plate 4;

referring to the above, in the initial state, the return spring 1503 is in the natural state, the stopper is far away from the fixed plate 4, when the traversing rod 5 slides along the horizontal direction, the pedal 6 is driven to move together, until the pedal 6 and the landing sill 3 are in abutting joint, the slide bar 1501 and the stopper move together along with the traversing rod 5, the stopper is close to the fixed plate 4 and forces the return spring 1503 to be extruded, when the shaft 10 continues to rotate after a period of stay, the return spring 1503 is reset to the natural state due to being extruded, and the slide bar 1501, the stopper and the traversing rod 5 are all restored to the initial positions, so as to realize driving the traversing rod 5 to slide to the initial positions.

As shown in fig. 2, in some embodiments, a rubber cushion block 16 is disposed on one side of the pedal 6 near the landing sill 3, the rubber cushion block 16 is vertical and fixedly connected with the pedal 6, and the rubber cushion block 16 and the car door sill 2 are located on the same plane;

referring to the above, when the pedal 6 approaches the landing sill 3, the rubber pad 16 will collide with the landing sill 3, and due to the existence of the rubber pad 16, the pedal 6 and the landing sill 3 are not in hard contact, and the rubber pad 16 plays a role in buffering, and meanwhile, metal collision noise is avoided, so that the use stability is improved.

As shown in fig. 1-8, in some embodiments, the telescopic control method of the telescopic car door sill includes the following steps:

the elevator car 1 runs, the pedal 6 and the rubber cushion block 16 are far away from the landing sill 3, a gap exists between the landing sill 2 and the landing sill 3, the gap of the gear-lack 1303 is far away from the transmission gear 1301, the beaver tail plate 1304 is far away from the two rollers 1302, the abutting wheels 1403 are in abutting lap joint with the cambered surface of the cam 1401, the limiting block is far away from the fixed plate 4, the return spring 1503 is in a natural state, wind in a hoistway enters the wind barrel 1102 and drives the fan blade 1101 to rotate together with the rotating rod 8, the fixed gear 1203 and the limiting plate 1205 are driven to rotate together, the spring 1204 is compressed, the connecting gear 1206 rotates under the meshing action, the movable rod 1202 and the driving gear 1207 are driven to rotate together, meanwhile, the movable rod 1202 slides in the waist hole 1201, and the driving gear 1207 is far away from the linkage gear 1208;

s2: the car 1 stops running, the spring 1204 is reset to a natural state due to compression, the rotating rod 8, the fan blade 1101, the fixed gear 1203 and the limiting plate 1205 are driven to rotate together, the connecting gear 1206 is driven to rotate due to meshing, the movable rod 1202 and the driving gear 1207 are driven to rotate together, meanwhile, the movable rod 1202 slides in the waist hole 1201, the driving gear 1207 is meshed with the linkage gear 1208, the linkage gear 1208 rotates due to meshing and drives the rotating shaft 9 to rotate together with the driving gear 1301, the missing gear 1303 rotates due to meshing and drives the beaver tail plate 1304, the shaft 10 and the cam 1401 to rotate together, the abutting wheel 1403 and the mounting plate 1402 are driven to move linearly through the cambered surface, the inclined surface and the plane transition of the cam 1401, the sideslip rod 5 and the sliding rod 1501 move together, the pedal 6 moves together with the sideslip rod 5, the rubber cushion block 16 abuts against the layer sill 3, the limiting block is close to the fixed plate 4 and forces the reset spring 1503 to be extruded, when the missing gear 1303 rotates for half a circle, the beaver tail plate 1304 abuts against the two rollers 1302 and stays between the two rollers for a period of time, the abutting wheel 1403 stays on the plane of the cam cushion block, namely, the rubber cushion block 16 abuts against the cam cushion block 16 and the cam cushion block 3 is pressed against the initial position of the cam cushion block 1401, and the initial position is restored to the initial position of the rubber cushion block, and the initial position is restored to the initial position of the piston rod is reset, and the initial position is restored due to the fact that the rubber cushion block is pressed.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The telescopic car door sill comprises a car (1), a car door sill (2) and a landing door sill (3), wherein the car door sill (2) is arranged on one side of the car (1) and is in clearance with the landing door sill (3), and the telescopic car door sill is characterized in that a fixed plate (4) is arranged on one side of the car (1), a transverse moving rod (5) is arranged on the fixed plate (4) in a sliding mode, a pedal (6) is arranged on the transverse moving rod (5), and the pedal (6) is in abutting lap joint with the car door sill (2) and the landing door sill (3);

the elevator car comprises a fixed frame (7), wherein the fixed frame (7) is arranged at the bottom of the elevator car (1), a rotating rod (8), a rotating shaft (9) and a shaft lever (10) which are sequentially distributed are arranged on the fixed frame (7) in a rotating mode, a driving piece (11) is arranged on the rotating rod (8), the fixed frame (7) and the rotating shaft (9), a driving piece (13) is arranged on the rotating shaft (9) and the shaft lever (10), a driving part (14) is arranged on the shaft lever (10) and the transverse moving rod (5), when the elevator car (1) operates, the rotating rod (8) is driven to rotate through the driving piece (11), the rotating energy of the rotating rod (8) is stored through the driving piece (12), and when the elevator car (1) stops operating, the stored kinetic energy is transmitted to the rotating shaft (9) through the driving piece (12), the driving rod (10) is driven to intermittently rotate, and the shaft lever (5) is driven to slide through the driving part (14);

the reset piece (15) is arranged on the fixed plate (4) and the transverse moving rod (5) and is used for driving the transverse moving rod (5) to slide to an initial position.

2. The retractable car door sill according to claim 1, characterized in that the driving member (11) comprises fan blades (1101) arranged on the rotating rod (8), and the fixing frame (7) is provided with air cylinders (1102) arranged on the outer peripheral sides of the fan blades (1101).

3. The retractable car door sill according to claim 2 wherein both ends of the air duct (1102) are configured to taper outwardly.

4. The retractable car door sill according to claim 1, wherein the power piece (12) comprises a waist hole (1201) formed in the fixing frame (7), a movable rod (1202) is movably arranged in the waist hole (1201), a fixed gear (1203), a spring (1204) and a limiting plate (1205) which are sequentially distributed are arranged on the rotating rod (8), two ends of the spring (1204) are fixedly connected with the rotating rod (8) and the fixing frame (7) respectively, the limiting plate (1205) is in abutting lap joint with the fixing frame (7), connecting gears (1206) and driving gears (1207) which are distributed at intervals are arranged on the movable rod (1202), the connecting gears (1206) are meshed with the fixed gears (1203), and a linkage gear (1208) meshed with the driving gears (1207) is arranged on the rotating shaft (9).

5. The retractable car door sill according to claim 1, characterized in that the transmission member (13) comprises a transmission gear (1301) arranged on the rotating shaft (9), two rollers (1302) which are distributed at intervals are rotatably arranged on the transmission gear (1301), a gear lack (1303) meshed with the transmission gear (1301) is arranged on the shaft lever (10), a beaver tail plate (1304) corresponding to the notch of the gear lack is arranged on the gear lack (1303), and the beaver tail plate (1304) is in abutting lap joint with the two rollers (1302).

6. The retractable car door sill according to claim 1, characterized in that the driving part (14) comprises a cam (1401) arranged on the shaft lever (10), the traversing lever (5) is configured in an L shape and is provided with a mounting plate (1402) at a free end, and a collision wheel (1403) which is in collision lap joint with the cam (1401) is rotatably arranged on the mounting plate (1402).

7. The retractable car door sill according to claim 6, characterized in that the outer peripheral side of the cam (1401) is composed of a cambered surface, two symmetrically distributed inclined surfaces and a plane, the length of which is greater than the diameter of the collision wheel (1403).

8. The retractable car door sill according to claim 1, characterized in that the reset member (15) comprises a sliding rod (1501) arranged on the traverse bar (5) and in sliding fit with the fixed plate (4), a limiting block is arranged at the free end of the sliding rod (1501), and a reset spring (1503) sleeved on the sliding rod (1501) is arranged between the limiting block and the fixed plate (4).

9. The retractable car door sill according to claim 1, characterized in that a rubber pad (16) is arranged on the side of the pedal (6) close to the landing door sill (3), and the rubber pad (16) and the car door sill (2) are located on the same plane.

10. A telescopic control method of a telescopic car door sill, comprising the telescopic car door sill according to claims 1-9, characterized by the steps of:

the elevator car (1) runs, a pedal (6) and a rubber cushion block (16) are far away from a landing sill (3), a gap exists between the landing sill (2) and the landing sill (3), a notch of a gear-lack (1303) is far away from a transmission gear (1301), a beaver tail plate (1304) is far away from two rollers (1302), an abutting wheel (1403) is in abutting lap joint with an arc surface of a cam (1401), a limiting block is far away from a fixed plate (4), a return spring (1503) is in a natural state, wind in a hoistway enters an air duct (1102) and drives the fan blade (1101) to rotate together with a rotating rod (8), the fixed gear (1203) is driven to rotate together with a limiting plate (1205), a spring (1204) is compressed, a connecting gear (1206) rotates due to meshing action, a movable rod (1202) is driven to rotate together with a driving gear (1207), and meanwhile, the movable rod (1202) slides in a waist hole (1201), and the driving gear (1207) is far away from a linkage gear (1208);

s2: the car (1) stops running, the spring (1204) is reset to a natural state due to compression, the rotating rod (8), the fan blade (1101), the fixed gear (1203) and the limiting plate (1205) are driven to rotate together, the connecting gear (1206) is driven to rotate together with the driving gear (1207), meanwhile, the moving rod (1202) slides in the waist hole (1201), the driving gear (1207) is meshed with the linkage gear (1208), the linkage gear (1208) rotates and drives the rotating shaft (9) to rotate together with the transmission gear (1301) due to the meshing effect, the pinion (1303) rotates and drives the beaver tail plate (1304), the shaft lever (10) and the cam (1401) to rotate together due to the meshing effect, the abutting roller (1403) and the mounting plate (1402) are driven to move linearly through the cambered surface, the inclined surface and the plane of the cam (1401), the traversing rod (5) slides together with the sliding rod (1501), the pedal (6) moves together with the traversing rod (3), the rubber cushion block (16) abuts against the layer sill (3), the fixed spring (1208) and presses the beaver tail plate (1302) to be in a lap joint with the two half-rings (1303) and is extruded by the fixed spring (1303) to be in a lap joint between the two tail plates (1302 when the beaver tail plate (1302) and the beaver tail plate (1302) is pressed for a period of time, the contact wheel (1403) stays on the plane of the cam (1401), namely the rubber cushion block (16) is in contact with the landing sill (3) for a period of time, then the movable rod (1202), the gear deficiency (1303) and the cam (1401) are all restored to the initial position, the return spring (1503) is reset to the natural state due to being extruded, and the sideslip rod (5), the pedal (6) and the rubber cushion block (16) are all restored to the initial position.