CN212558978U - Shock attenuation safety device for home use elevator - Google Patents

Abstract

The utility model discloses a shock attenuation safety device for home use elevator, including the elevator well, be connected with elevator car through the steel wire hawser in the elevator well, be equipped with corresponding shock attenuation safety device on elevator car's bottom and elevator well's the bottom, shock attenuation safety device is including the buffer base that is located elevator car bottom and the buffer base two that is located elevator well bottom, the symmetry is equipped with three buffer tube in the buffer base one, a pot head that the connecting rod is located outside the cavity is equipped with buffer spring one, the inner wall both sides of buffer base two are equipped with the spout, be equipped with down the buffer board in the buffer base two, all be equipped with the guide way in lower buffer board bottom and the buffer base two bottom, there is the bracing piece through pivot cross connection on the wire wheel, the homonymy of bracing piece all is connected with buffer spring two, beneficial effect: the elevator safety protection device is simple in structure and convenient to install, and can effectively protect passengers when the elevator is separated, so that the safety of the elevator safety protection device is improved.

Description

Shock attenuation safety device for home use elevator

Technical Field

The utility model relates to an elevator safety technical field particularly, relates to a shock attenuation safety device for home use elevator.

Background

A home elevator is an elevator installed in a private home for use by only a single family member. It may also be installed in buildings that are not used in a single household as a means for a single household to enter their dwelling, but are inaccessible and usable by the public or other occupants of the building. The rated speed of the household elevator is not more than 0.4m/s, the rated speed of the household elevator without a car door is not more than 0.3m/s, the stroke of the car is not more than 12m, and the rated load capacity is not more than 400 KG. The elevator mainly comprises a traction elevator, a screw elevator and a hydraulic elevator.

Although the lifting height of the home elevator is not as high as that of the common elevator, the risks that may exist are the same, various elevator falling events are exposed, and the failure of the elevator frequently occurs. When the elevator breaks down, when the elevator falls rapidly, the elevator strikes the pit bottom, and the powerful impact force of production causes the injury to taking personnel, and current home use elevator lacks the safety device who corresponds.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a shock attenuation safety device for home use elevator to overcome the above-mentioned technical problem that current correlation technique exists.

The technical scheme of the utility model is realized like this:

a shock-absorbing safety protection device for a household elevator comprises an elevator shaft, wherein an elevator car is connected in the elevator shaft through a steel wire cable, the bottom of the elevator car and the bottom of the elevator shaft are provided with corresponding shock-absorbing safety protection devices, each shock-absorbing safety protection device comprises a first buffer base and a second buffer base, the first buffer base is located at the bottom of the elevator car, the second buffer base is located at the bottom of the elevator shaft, three buffer cylinders are symmetrically arranged in the first buffer base, cavities are formed in the buffer cylinders, movable plates are movably arranged in the cavities, one sides of the movable plates penetrate through the cavities and are movably provided with connecting rods, an upper buffer plate is connected between the bottom ends of the connecting rods, one end, located outside the cavities, of each connecting rod is sleeved with a first buffer spring, sliding grooves are formed in two sides of the inner walls of the, the both sides of buffer board down be equipped with spout assorted slider, the buffer board bottom down with all be equipped with the guide way on the bottom in the buffer base two, be equipped with the wire wheel in the guide way, the wire takes turns to there is the bracing piece through pivot cross connection, bracing piece cross section is equipped with the loose axle, the homonymy of bracing piece all is connected with buffer spring two.

Furthermore, ventilation openings are symmetrically formed in the elevator car.

Furthermore, the bottom of the upper buffer plate is provided with a spring buffer pad.

Furthermore, the bottom of the lower buffer plate and the bottom of the second buffer base are symmetrically provided with limiting columns, and a third buffer spring is connected between the limiting columns.

Furthermore, the elevator car is provided with a running speed tester.

The utility model provides a shock attenuation safety device for home use elevator, beneficial effect as follows:

(1) the bottom of the elevator car and the bottom of the elevator shaft are provided with corresponding damping safety protection devices, three buffer cylinders are symmetrically arranged in a buffer base I, cavities are arranged in the buffer cylinders, movable plates are movably arranged in the cavities, one side of each movable plate penetrates through the cavities and is movably provided with a connecting rod, an upper buffer plate is connected between the bottom ends of the connecting rods, one end, located outside the cavities, of each connecting rod is sleeved with a buffer spring I, two sides of the inner wall of a buffer base II are provided with sliding grooves, a lower buffer plate is arranged in the buffer base II, two sides of the lower buffer plate are provided with sliding blocks matched with the sliding grooves, guide grooves are respectively arranged at the bottom of the lower buffer plate and the bottom of the buffer base II, guide grooves are internally provided with wire guiding wheels, supporting rods are connected to the wire guiding wheels in a crossed manner through rotating shafts, when elevator car drops, at first, last buffer board on the buffering base one can contact buffer board down, and exert pressure to it, make the connecting rod contract to the cavity in, utilize the effect of buffer spring one, play the effect of buffering for the first time, the effort makes down the buffer board when the effect of slider and spout is pushed down, can drive the bracing piece and push down, utilize the effect of buffer spring two, play the effect of further buffering, such device simple structure, high durability and convenient installation, can effectually when the elevator breaks away from, play the effect of protection to the person of taking, improve its security.

(2) The ventilation openings are symmetrically arranged on the elevator car, and the ventilation effect is provided for the elevator car.

(3) And a spring buffer pad is arranged at the bottom of the upper buffer plate, and plays a role in buffering the upper buffer plate.

(4) The bottom of the lower buffer plate and the bottom of the second buffer base are symmetrically provided with limiting columns, and a third buffer spring is connected between the limiting columns, so that the buffering effect of the buffer base is further improved.

(5) And the elevator car is provided with a running speed tester, so that the running speed of the elevator can be tested in real time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a shock-absorbing safety protection device for a home elevator according to an embodiment of the present invention;

fig. 2 is according to the utility model discloses among shock attenuation safety device for home use elevator shock attenuation safety device's the schematic structure diagram.

In the figure:

1. an elevator hoistway; 2. an elevator car; 3. a steel wire cable; 4. a shock absorbing safety guard; 5. a first buffer base; 6. a second buffer base; 7. a buffer cylinder; 8. a cavity; 9. a movable plate; 10. a connecting rod; 11. an upper buffer plate; 12. a first buffer spring; 13. a chute; 14. a lower buffer plate; 15. a slider; 16. a guide groove; 17. a wire guide wheel; 18. a rotating shaft; 19. a support bar; 20. a movable shaft; 21. a second buffer spring; 22. a vent; 23. a spring cushion; 24. a limiting column; 25. a third buffer spring; 26. the speed tester is run.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

The invention will be further described with reference to the accompanying drawings and specific embodiments:

the first embodiment is as follows:

referring to fig. 1-2, a shock-absorbing safety protection device for a home elevator according to an embodiment of the present invention includes an elevator shaft 1, an elevator car 2 is connected to the elevator shaft 1 through a steel cable 3, the bottom of the elevator car 2 and the bottom of the elevator shaft 1 are provided with corresponding shock-absorbing safety protection devices 4, each shock-absorbing safety protection device 4 includes a first buffer base 5 located at the bottom of the elevator car 2 and a second buffer base 6 located at the bottom of the elevator shaft 1, three buffer cylinders 7 are symmetrically arranged in the first buffer base 5, a cavity 8 is arranged in the buffer cylinder 7, a movable plate 9 is movably arranged in the cavity 8, a connecting rod 10 is movably arranged through the cavity 8 on one side of the movable plate 9, an upper buffer plate 11 is connected between the bottom ends of the connecting rod 10, and a first buffer spring 12 is sleeved at one end of the connecting rod 10 located outside the cavity 8, the inner wall both sides of buffer base two 6 are equipped with spout 13, be equipped with down buffer board 14 in the buffer base two 6, the both sides of buffer board 14 down be equipped with spout 13 assorted slider 15, buffer board 14 bottom down with all be equipped with guide way 16 in the buffer base two 6 on the bottom, be equipped with wire wheel 17 in the guide way 16, there is bracing piece 19 through pivot 18 cross connection on the wire wheel 17, the 19 cross section of bracing piece is equipped with loose axle 20, the homonymy of bracing piece 19 all is connected with buffer spring two 21.

Through the above scheme of the utility model, by arranging the corresponding damping safety protection device 4 on the bottom of the elevator car 2 and the bottom of the elevator shaft 1, the damping safety protection device 4 comprises the first buffer base 5 at the bottom of the elevator car 2 and the second buffer base 6 at the bottom of the elevator shaft 1, three buffer cylinders 7 are symmetrically arranged in the first buffer base 5, cavities 8 are arranged in the buffer cylinders 7, a movable plate 9 is movably arranged in the cavities 8, one side of the movable plate 9 penetrates through the cavities 8 and is movably provided with a connecting rod 10, an upper buffer plate 11 is connected between the bottom ends of the connecting rod 10, one end of the connecting rod 10, which is positioned outside the cavities 8, is sleeved with a first buffer spring 12, the two sides of the inner wall of the second buffer base 6 are provided with chutes 13, the second buffer plate 14 is arranged in the second buffer base 6, and the two sides of the lower buffer plate 14 are provided with sliders 15 matched with the chutes 13, the bottom of the lower buffer plate 14 and the bottom of the second buffer base 6 are both provided with a guide groove 16, the guide groove 16 is internally provided with a wire guide wheel 17, the wire guide wheel 17 is connected with a support rod 19 in a cross way through a rotating shaft 18, the cross part of the support rod 19 is provided with a movable shaft 20, the same side of the support rod 19 is connected with a second buffer spring 21, when the elevator car 2 drops in use, firstly, the upper buffer plate 11 on the first buffer base 5 can contact the lower buffer plate 14 and exert pressure on the lower buffer plate to enable the connecting rod 10 to shrink towards the cavity 8, the first buffer effect is achieved by the action of the first buffer spring 12, the lower buffer plate 14 is pressed downwards by the action force under the action of the sliding block 15 and the sliding groove 13, the support rod 19 is driven to press downwards by the action of the second buffer spring 21, the further buffer effect is achieved, the device has simple structure and convenient installation, can effectively protect the passengers when the elevator is separated, and improve the safety of the passengers.

Example two:

as shown in fig. 1-2, ventilation openings 22 are symmetrically arranged on the elevator car 2 to provide ventilation effect on the elevator car 2; a spring buffer pad 23 is arranged at the bottom of the upper buffer plate 11, and plays a role in buffering the upper buffer plate 11; limiting columns 24 are symmetrically arranged at the bottom of the lower buffer plate 14 and the bottom in the second buffer base 6, and a third buffer spring 25 is connected between the limiting columns 24, so that the buffering effect of the buffer base is further improved; the elevator car 2 is provided with a running speed tester 26 which can test the running speed of the elevator in real time.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

When in actual application, when using, when elevator car drops, at first, last buffer board on the buffering base one can contact buffer board down, and exert pressure to it, make the connecting rod contract in the cavity, utilize the effect of buffer spring one, play the effect of buffering for the first time, the effort makes buffer board down in the effect of slider and spout push down, can drive the bracing piece and push down, utilize the effect of buffer spring two, play the effect of further buffering, such device simple structure, high durability and convenient installation, can effectually when the elevator breaks away from, play the effect of protection to taking personnel, improve its security.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The shock absorption safety protection device for the household elevator is characterized by comprising an elevator shaft (1), an elevator car (2) is connected in the elevator shaft (1) through a steel wire cable (3), the bottom of the elevator car (2) and the bottom of the elevator shaft (1) are provided with corresponding shock absorption safety protection devices (4), each shock absorption safety protection device (4) comprises a first buffer base (5) positioned at the bottom of the elevator car (2) and a second buffer base (6) positioned at the bottom of the elevator shaft (1), three buffer cylinders (7) are symmetrically arranged in the first buffer base (5), cavities (8) are arranged in the buffer cylinders (7), movable plates (9) are movably arranged in the cavities (8), one sides of the movable plates (9) penetrate through the cavities (8) and are movably provided with connecting rods (10), an upper buffer plate (11) is connected between the bottom ends of the connecting rods (10), one end of each connecting rod (10) positioned outside the cavity (8) is sleeved with a first buffer spring (12), sliding grooves (13) are arranged on two sides of the inner wall of the second buffer base (6), a lower buffer plate (14) is arranged in the second buffer base (6), the two sides of the lower buffer plate (14) are provided with slide blocks (15) matched with the slide grooves (13), the bottom of the lower buffer plate (14) and the inner bottom of the second buffer base (6) are both provided with a guide groove (16), a guide wire wheel (17) is arranged in the guide groove (16), a support rod (19) is connected on the guide wire wheel (17) in a cross way through a rotating shaft (18), the crossing position of the support rods (19) is provided with a movable shaft (20), and the same sides of the support rods (19) are connected with a second buffer spring (21).

2. A shock-absorbing safety guard for home elevators according to claim 1, characterized in that the elevator car (2) is symmetrically provided with ventilation openings (22).

3. A shock-absorbing safety guard for home elevators according to claim 1, characterized in that the bottom of the upper bumper plate (11) is provided with a spring cushion (23).

4. The shock-absorbing safety protection device for the home elevator is characterized in that limiting columns (24) are symmetrically arranged at the bottom of the lower buffer plate (14) and the inner bottom of the second buffer base (6), and a third buffer spring (25) is connected between the limiting columns (24).

5. A shock-absorbing safety guard for home elevators according to claim 1, characterized in that the elevator car (2) is provided with a running speed tester (26).

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