CN219009623U - Household elevator anti-falling device - Google Patents

Abstract

The utility model discloses a household elevator anti-falling device, which comprises a lift car, wherein a plurality of guide rails are arranged on two sides of the lift car, a sliding seat fixed with the lift car is sleeved on the guide rails in a sliding manner, an acceleration sensor is fixedly arranged at the bottom of the lift car, a base is arranged at the bottom of the lift car through a plurality of hydraulic buffers, clamping mechanisms are arranged at the corresponding positions of the outer walls of the two sides of the base and the guide rails, a controller and a standby power supply are arranged in the base, and the clamping mechanisms comprise clamping sleeves fixedly connected with the base through connecting plates; in the utility model, when the acceleration or the speed of the elevator car in the descending process exceeds a preset value, the controller controls the gear motor to start, so that the corresponding trapezoidal clamping blocks are driven to move obliquely upwards along the sliding rail, and the two friction plates are tightly attached to the surface of the sliding rail to lock the elevator car, thereby preventing the elevator car from continuously falling.

Description

Household elevator anti-falling device

Technical Field

The utility model relates to the field of elevators, in particular to a household elevator anti-falling device.

Background

Home elevators refer to elevators installed in private homes for use by only a single family member. It also can install in the building that non-single family used, as the instrument that single family got into its house, but public or other resident in the building can't get into and use, and at present home use elevator mainly divide into traction elevator, screw elevator, hydraulic elevator several types, and one of them traction elevator's potential safety hazard is because the traction rope of elevator takes place to break, causes the fall of elevator, at present, to the safeguard measure that falls with elevator is mostly through installing the hydraulic buffer at the elevator shaft bottom to highly falling's elevator buffering to reduce the impact that the passenger receives.

Through searching, the utility model patent with the publication number of CN216763966U discloses a self-locking anti-falling safe elevator, when the speed of a car is controlled, the speed of the car is controlled by a power assembly to control a first rotating rod to rotate, so that the other end of a first supporting plate is placed on the upper side of a first supporting plate on the right side, the first supporting plate is fixed under a buffer assembly, and the two large assemblies cooperate to block and buffer the car.

However, the buffer structure of the above scheme is large in size and occupies a large amount of elevator shaft inner space, and the practicality is poor for home elevators, so that a home elevator anti-falling device is needed.

Disclosure of Invention

The utility model aims to provide a household elevator anti-falling device to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a home use elevator anti-falling device, includes the car, the both sides of car are provided with a plurality of guide rails, sliding sleeve has been connected with the slide that the car is fixed on the guide rail, the bottom fixed mounting of car has acceleration sensor, the base is installed through a plurality of hydraulic buffers to the bottom of car, the both sides outer wall of base all is provided with clamping mechanism with the department that corresponds of each guide rail, install controller and stand-by power supply in the base.

As a further scheme of the utility model: clamping mechanism includes the cutting ferrule through connecting plate and base fixed connection, isosceles trapezoid groove has been seted up to the outer wall of cutting ferrule orientation guide rail, the guide rail is located the isosceles trapezoid inslot that corresponds, the both sides slope inner wall in isosceles trapezoid groove all has trapezoidal clamp splice through slide rail sliding connection, and two trapezoidal clamp splice symmetric distributions are in the both sides of guide rail, and trapezoidal clamp splice has the friction disc towards the outer wall fixed mounting of guide rail, the gear motor has all been fixed in the department that corresponds with each cutting ferrule in the base, trapezoidal clamp splice is connected with the gear motor transmission that corresponds.

As a further scheme of the utility model: the outer wall of cutting ferrule and the corresponding department of trapezoidal clamp splice all run through and are provided with the chute, sliding connection has the guide block in the chute, the one end and the trapezoidal clamp splice fixed connection who corresponds of guide block, the cutting ferrule is towards the outer wall sliding connection of base has the baffle, fixedly connected with connecting rod behind the output shaft of gear motor runs through the base, the outer wall fixedly connected with guide arm of connecting rod, the guide arm passes through baffle and guide block transmission connection.

As a further scheme of the utility model: two guide grooves are symmetrically formed in the outer wall of the guide plate, the guide blocks are located in the corresponding guide grooves, a transverse groove is formed in the outer wall of the guide plate, and the guide rods are located in the transverse groove.

As still further aspects of the utility model: the cutting ferrule has seted up the spout towards the outer wall of baffle, the outer wall fixed mounting of baffle has the slider with spout looks adaptation.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the utility model, when the acceleration or the speed of the elevator car in the descending process exceeds a preset value, the controller controls the gear motor to start, so that the corresponding trapezoidal clamping blocks are driven to move obliquely upwards along the sliding rail, and the two friction plates are tightly attached to the surface of the sliding rail to lock the elevator car, thereby preventing the elevator car from continuously falling.

2. According to the utility model, through the arrangement of the hydraulic buffer, when the clamping mechanism locks the base on the guide rail, the car can continuously move downwards under the inertia effect and is extruded, so that the hydraulic buffer can be used for well buffering the car, and discomfort to passengers is reduced.

Drawings

Fig. 1 is a schematic structural view of a home elevator fall protection device.

Fig. 2 is a schematic structural view of a trapezoidal clamping block in a home elevator fall protection device.

Fig. 3 is a schematic structural view of a guide plate in a home elevator fall protection device.

The elevator car comprises a guide rail 1, a car 2, a sliding seat 3, a hydraulic buffer 4, a base 5, a controller 6, a standby power supply 7, an acceleration sensor 8, a gear motor 9, a connecting plate 10, a clamping sleeve 11, an isosceles trapezoid groove 12, a sliding rail 13, a trapezoid clamping block 14, a friction plate 15, a chute 16, a guide block 17, a guide plate 18, a guide groove 19, a transverse groove 20, a chute 21, a connecting rod 22 and a guide rod 23.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, in the embodiment of the utility model, a home elevator anti-falling device comprises a car 2, a plurality of guide rails 1 are arranged on two sides of the car 2, a sliding seat 3 fixed with the car 2 is sleeved on the guide rails 1 in a sliding manner, an acceleration sensor 8 is fixedly arranged at the bottom of the car 2, a base 5 is arranged at the bottom of the car 2 through a plurality of hydraulic buffers 4, clamping mechanisms are arranged at the corresponding positions of the outer walls of the two sides of the base 5 and the guide rails 1, a controller 6 and a standby power supply 7 are arranged in the base 5, and the standby power supply 7 comprises a charge and discharge management module and a storage battery.

Clamping mechanism includes cutting ferrule 11 through connecting plate 10 and base 5 fixed connection, isosceles trapezoid groove 12 has been seted up to cutting ferrule 11 towards the outer wall of guide rail 1, guide rail 1 is located the isosceles trapezoid groove 12 that corresponds, the both sides slope inner wall of isosceles trapezoid groove 12 all has trapezoidal clamp splice 14 through slide rail 13 sliding connection, and two trapezoidal clamp splice 14 symmetric distributions are in the both sides of guide rail 1, and trapezoidal clamp splice 14 has friction disc 15 towards the outer wall fixed mounting of guide rail 1, the gear motor 9 has all been fixed in the department of corresponding with each cutting ferrule 11 in the base 5, trapezoidal clamp splice 14 is connected with the gear motor 9 transmission that corresponds.

The acceleration sensor 8 is used for monitoring acceleration and speed parameters in running of the car 2 in real time and sending data to the controller 6, when the acceleration or speed of the car 2 exceeds a preset value, the controller 6 controls the speed reducing motor 9 to start, so that the corresponding trapezoidal clamping blocks 14 are driven to move obliquely upwards along the sliding rails 13, two friction plates 15 are tightly attached to the surfaces of the guide rails 1 to lock the car 2, the car 2 is prevented from falling continuously, the trapezoidal clamping blocks 14 move obliquely, therefore, when the friction plates 4 are in contact with the guide rails 1, an upward reaction force is applied to the trapezoidal clamping blocks 14, the trapezoidal clamping blocks 14 clamp the guide rails 1 effectively, stability is good, and through the arrangement of the hydraulic buffer 4, when the clamping mechanism locks the base 5 on the guide rails 1, the car 2 can move downwards continuously under the action of inertia, and the hydraulic buffer 4 is extruded, so that the car 2 is well buffered by the hydraulic buffer 4, and discomfort caused to passengers is reduced.

The outer wall of the cutting sleeve 11 and the corresponding position of the trapezoid clamping block 14 are respectively provided with a chute 16 in a penetrating way, a guide block 17 is connected in a sliding way in the chute 16, one end of the guide block 17 is fixedly connected with the corresponding trapezoid clamping block 14, the cutting sleeve 11 is connected with a guide plate 18 in a sliding way towards the outer wall of the base 5, an output shaft of the gear motor 9 is fixedly connected with a connecting rod 22 after penetrating through the base 5, the outer wall of the connecting rod 22 is fixedly connected with a guide rod 23, and the guide rod 23 is in transmission connection with the guide block 17 through the guide plate 18; two guide grooves 19 are symmetrically formed in the outer wall of the guide plate 18, the guide blocks 17 are located in the corresponding guide grooves 19, a transverse groove 20 is formed in the outer wall of the guide plate 18, and the guide rods 23 are located in the transverse groove 20.

When the gear motor 9 operates, the guide rod 23 is driven to rotate by the connecting rod 22, so that the guide plate 18 is driven to move upwards by the cooperation of the guide rod 23 and the transverse groove 20, and then the chute 16 of the guide block 17 is driven to move upwards by the guide groove 19, so that the trapezoidal clamp block 14 is driven.

The sliding groove 21 is formed in the outer wall, facing the guide plate 18, of the cutting sleeve 11, a sliding block matched with the sliding groove 21 is fixedly arranged on the outer wall of the guide plate 18, and stability of movement of the guide plate 18 on the cutting sleeve 11 can be improved through cooperation of the sliding block and the sliding groove 21.

The working principle of the utility model is as follows:

in the utility model, the acceleration sensor 8 is used for monitoring acceleration and speed parameters of the car 2 in real time and sending data to the controller 6, when the acceleration or speed of the car 2 in descending exceeds a preset value, the controller 6 controls the speed reducing motor 9 to start so as to drive the corresponding trapezoidal clamping blocks 14 to move obliquely upwards along the sliding rails 13, so that the two friction plates 15 are closely attached to the surfaces of the guide rails 1 to lock the car 2, thereby preventing the car 2 from continuously falling down, and the trapezoidal clamping blocks 14 move obliquely, so that when the friction plates 4 are in contact with the guide rails 1, an upward reaction force is applied to the trapezoidal clamping blocks 14, thereby effectively clamping the guide rails 1 by the trapezoidal clamping blocks 14, the stability is good, and by setting of the hydraulic buffer 4, when the clamping mechanism locks the base 5 on the guide rails 1, the car 2 can continuously move downwards under the inertia effect and the hydraulic buffer 4 is extruded, so that a good buffering effect is achieved on the car 2 by the hydraulic buffer 4, and discomfort to passengers is reduced.

Specifically, when the gear motor 9 operates, the guide rod 23 is driven to rotate by the connecting rod 22, so that the guide plate 18 is driven to move upwards by the cooperation of the guide rod 23 and the transverse groove 20, and then the chute 16 of the guide block 17 is driven to move upwards by the guide groove 19, so that the trapezoidal clamping block 14 is driven, and the guide rail 1 is clamped by the friction plate 15.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides a home elevator anti-falling device which characterized in that: including car (2), the both sides of car (2) are provided with a plurality of guide rails (1), sliding sleeve has been connected on guide rail (1) with car (2) fixed slide (3), the bottom fixed mounting of car (2) has acceleration sensor (8), base (5) are installed through a plurality of hydraulic buffer (4) in the bottom of car (2), the both sides outer wall of base (5) all is provided with clamping mechanism with the department that corresponds of each guide rail (1), install controller (6) and stand-by power supply (7) in base (5).

2. The home elevator fall protection device of claim 1, wherein: clamping mechanism includes cutting ferrule (11) through connecting plate (10) and base (5) fixed connection, isosceles trapezoid groove (12) have been seted up towards the outer wall of guide rail (1) to cutting ferrule (11), guide rail (1) are located isosceles trapezoid groove (12) that correspond, the both sides slope inner wall of isosceles trapezoid groove (12) all has trapezoidal clamp splice (14) through slide rail (13) sliding connection, and two trapezoidal clamp splice (14) symmetric distributions are in the both sides of guide rail (1), and trapezoidal clamp splice (14) have friction disc (15) towards the outer wall fixed mounting of guide rail (1), gear motor (9) have all been fixed with the corresponding department of each cutting ferrule (11) in base (5), trapezoidal clamp splice (14) are connected with corresponding gear motor (9) transmission.

3. The home elevator fall protection device of claim 2, wherein: the outer wall of cutting ferrule (11) and the department that corresponds of trapezoidal clamp splice (14) all run through and are provided with chute (16), sliding connection has guide block (17) in chute (16), the one end and the trapezoidal clamp splice (14) fixed connection that correspond of guide block (17), cutting ferrule (11) are towards outer wall sliding connection of base (5) have baffle (18), the output shaft of gear motor (9) runs through base (5) back fixedly connected with connecting rod (22), outer wall fixedly connected with guide arm (23) of connecting rod (22), guide arm (23) are connected with guide block (17) transmission through baffle (18).

4. A home elevator fall arrest device as defined in claim 3, wherein: two guide grooves (19) are symmetrically formed in the outer wall of the guide plate (18), the guide blocks (17) are located in the corresponding guide grooves (19), a transverse groove (20) is formed in the outer wall of the guide plate (18), and the guide rods (23) are located in the transverse groove (20).

5. A home elevator fall arrest device as defined in claim 3, wherein: the clamping sleeve (11) is provided with a sliding groove (21) towards the outer wall of the guide plate (18), and a sliding block matched with the sliding groove (21) is fixedly arranged on the outer wall of the guide plate (18).

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