CN211056454U

CN211056454U - Novel crashproof bottom of elevator case buffering device

Info

Publication number: CN211056454U
Application number: CN201921853973.4U
Authority: CN
Inventors: 张国强; 薄志荣; 刘勇
Original assignee: Jiangsu Piager Elevator Co ltd
Current assignee: Jiangsu Piager Elevator Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-21
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a novel anti-collision elevator box bottom buffering device, which comprises a buffer and a lower layer splint, wherein the buffer is arranged on the outer wall of the lower end of the lower layer splint, the upper layer splint is arranged right above the lower layer splint, when the elevator descends at high speed due to faults, an inner rod moves to a sliding groove in an outer cylinder due to collision force, so as to drive a telescopic spring to extrude to generate upward elastic force to consume the downward impact force of the elevator, after the buffer is damaged by being hit, an elastic rubber block has strong damping capacity, an outer spring generates elastic force due to compression, the downward impact force is continuously offset, when the descending impact is overlarge, the outer spring and the elastic rubber block are damaged, at the moment, the inner spring begins to extrude and damp, N levels on the upper and lower layer magnet blocks are close to each other, and by means of the characteristic that like poles repel each other, the huge repulsion force is consumed to most of the impact force, thereby buffering the cage well.

Description

Novel crashproof bottom of elevator case buffering device

Technical Field

The utility model belongs to the technical field of the elevator equipment is relevant, concretely relates to novel crashproof elevator bottom of the case buffering device.

Background

In daily life and work, an elevator is common transportation equipment, when the elevator breaks down, the impact force between the elevator rapidly slides down and the ground seriously threatens the safety of people in an elevator car, a bottom buffer device of the elevator car is an important device for maintaining the safety of the elevator, so that the final barrier of the safety of the elevator is ensured, and the bottom buffer device of the elevator car is mainly used for absorbing or consuming the huge impact force generated by the rapid descending of the elevator.

The prior elevator buffer device has the following problems: the existing elevator buffer device has certain defects in the application of daily life and work, can not well absorb and consume the impact energy of the falling of the elevator in the accident that the elevator rapidly slides down to collide with the ground, has far insufficient buffer capacity, and causes life danger to people in an elevator car.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel crashproof bottom of a case buffer to solve the current elevator buffer who provides among the above-mentioned background art and take place to slide rapidly and the accident of ground collision in the elevator, absorption that can not be fine and the impact energy that consumes the elevator and descend cause the dangerous problem of life to personnel in the elevator car.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel crashproof elevator bottom of case buffer, includes buffer and lower floor's splint, the buffer is installed on the lower extreme outer wall of lower floor's splint, be provided with upper splint directly over lower floor's splint, the inside upper magnet piece that is provided with of upper outer wall of upper splint, be connected with outer spring between lower floor's splint and the upper splint, through elastic rubber piece fixed connection between lower floor's splint and the upper splint, elastic rubber piece's inside is provided with the inner spring, be provided with lower floor's magnet piece on the downside elastic rubber piece of inner spring, be provided with the connecting block on the buffer, be provided with the fixed block under the connecting block, be connected with expanding spring between fixed block and the connecting block, be provided with the urceolus on the lower extreme outer wall of connecting block, urceolus and fixed block are through interior pole fixed connection.

Preferably, the inner rod and the outer cylinder are fixedly connected through a sliding groove.

Preferably, the upper layer magnet block and the lower layer magnet block are both provided with S level and N level, and the N level on the upper layer magnet block and the lower layer magnet block is in relative position.

Preferably, the upper layer clamping plate and the lower layer clamping plate are fixedly connected with the elastic rubber block through viscose glue.

Preferably, the outer cylinder and the inner rod are both arranged inside the telescopic spring.

Preferably, the connecting block and the lower clamping plate are fixedly connected in a welding mode.

Compared with the prior art of elevator buffer, the utility model provides a novel crashproof bottom of case buffer of elevator possesses following beneficial effect:

The utility model relates to a novel anti-collision elevator box bottom buffer device, which is improved and innovated on the basis of the existing elevator buffer device, so that the safety performance of an elevator is greatly improved, and the impact energy generated by the descending of the elevator can be well absorbed and consumed, the utility model discloses an anti-collision elevator box bottom buffer device mainly comprises a buffer, an upper layer magnet block, an upper layer splint, an outer spring, a lower layer splint, an elastic rubber block, an inner spring, a lower layer magnet block and other structures, when the elevator descends at high speed due to faults, the buffer on the buffer device arranged at the elevator box bottom contacts the bottom of an elevator shaft firstly, the inner rod moves to a sliding groove inside an outer cylinder due to the collision force, thereby driving a telescopic spring to extrude to generate upward elastic force, the downward impact force of the elevator is consumed, when the buffer is broken, the elastic rubber block arranged between the upper layer splint and the lower layer splint and the outer spring start second stage of buffering, elastic rubber piece has very strong shock-absorbing capacity, outer spring is because the compression produces elasticity, the impact force of subtending downwards lasts to offset, the inside embedded inner spring of elastic rubber piece and last, lower floor's magnet piece provides the third layer buffering, impact too big when descending, outer spring and elastic rubber piece damage, at this moment, the inner spring begins to extrude the shock attenuation, on, N level on the magnet piece of lower floor is close to, rely on the characteristics that like poles repel each other, huge repulsion force consumes most impact force, thereby fine buffering the elevator case, personnel inside for the elevator provide the safety guarantee.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

Fig. 1 is a schematic view of a three-dimensional structure of a novel anti-collision elevator box bottom buffer device provided by the utility model;

Fig. 2 is a schematic view of the internal plane structure of the novel anti-collision elevator box bottom buffer device provided by the utility model;

Fig. 3 is a schematic view of a three-dimensional structure of a buffer according to the present invention;

FIG. 4 is a schematic view of the internal structure of the buffer according to the present invention

In the figure: 1. a buffer; 2. an upper layer magnet block; 3. an upper layer splint; 4. an outer spring; 5. a lower layer splint; 6. an elastic rubber block; 7. an inner spring; 8. a lower layer magnet block; 9. connecting blocks; 10. an outer cylinder; 11. an inner rod; 12. a tension spring; 13. a fixed block; 14. a sliding groove.

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 without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a novel anti-collision elevator box bottom buffering device comprises a buffer 1 and a lower clamping plate 5, wherein the buffer 1 is installed on the outer wall of the lower end of the lower clamping plate 5, an upper clamping plate 3 is arranged right above the lower clamping plate 5, the upper clamping plate 3, the lower clamping plate 5 and an elastic rubber block 6 are fixedly connected through glue, so that the connection stability between the upper clamping plate 3, the lower clamping plate 5 and the elastic rubber block 6 is ensured, the elastic rubber block 6 can be stably installed and operated, an upper magnet block 2 is arranged inside the outer wall of the upper end of the upper clamping plate 3, the upper magnet block 2 and a lower magnet block 8 are respectively provided with an S level and an N level, the N levels on the upper magnet block 2 and the lower magnet block 8 are in relative positions, and the impact force generated when the elevator descends can be buffered to a great extent through the combined action of the upper magnet block 2 and the lower magnet block 8 by utilizing the characteristic that like polarities repel each other, be connected with outer spring 4 between splint 5 of lower floor and the upper splint 3, through 6 fixed connection of elastic rubber piece between splint 5 of lower floor and the upper splint 3, the inside of elastic rubber piece 6 is provided with inner spring 7.

The lower layer magnet block 8 is arranged on the elastic rubber block 6 at the lower side of the inner spring 7, the connecting block 9 is arranged on the buffer 1, the connecting block 9 and the lower layer splint 5 are fixedly connected in a welding mode, so that the connection firmness between the connecting block 9 and the lower layer splint 5 is ensured, the connecting block 9 can be stably installed on the outer wall at the lower end of the lower layer splint 5, the fixing block 13 is arranged right below the connecting block 9, the telescopic spring 12 is connected between the fixing block 13 and the connecting block 9, the outer barrel 10 is arranged on the outer wall at the lower end of the connecting block 9, the outer barrel 10 and the inner rod 11 are both arranged inside the telescopic spring 12, when the inner rod 11 slides towards the inner barrel 10, the telescopic spring 12 is driven to compress to generate upward elastic force, the impact force during falling can be buffered and absorbed, the outer barrel 10 and the fixing block 13 are fixedly connected through the inner rod 11, and, the inner rod 11 can slide inside the outer cylinder 10 by the action of the slide groove 14, and the extension spring 12 is compressed to absorb the impact force.

The utility model discloses a theory of operation and use flow: the utility model relates to a novel anti-collision elevator box bottom buffer device, which mainly comprises a three-layer buffer mode for consuming and absorbing impact energy when dealing with the rapid descending of an elevator, wherein the buffer 1 is used for elastic force consumption, and then the buffer is buffered by an outer spring 4 and an elastic rubber block 6, thereby playing a great shock absorption role, and finally the collision force is counteracted by the compression elastic force of an inner spring 7 and the repulsive force between upper and lower layer magnet blocks 8, after the utility model is installed, the novel anti-collision elevator box bottom buffer device mainly comprises the structures of the buffer 1, an upper layer magnet block 2, an upper layer splint 3, an outer spring 4, a lower layer splint 5, the elastic rubber block 6, the inner spring 7, the lower layer magnet block 8 and the like, when the elevator descends at high speed due to faults, the buffer 1 on the buffer device arranged at the elevator box bottom contacts the bottom of the elevator well firstly, the inner rod 11 moves to the sliding groove 14 in the outer cylinder 10 due to the collision force, thereby driving the expansion spring 12 to extrude, generating upward elastic force, consuming the downward impact force of the elevator, after the buffer 1 is damaged by being hit, the elastic rubber block 6 and the outer spring 4 arranged between the upper layer splint 3 and the lower layer splint 5 start the second stage of buffering, the elastic rubber block 6 has strong damping capacity, the outer spring 4 generates elastic force due to compression, the downward impact force is continuously offset, the inner spring 7 embedded in the elastic rubber block 6 and the upper and lower layer magnet blocks 8 provide the third stage of buffering, when the descending impact is too large, the outer spring 4 and the elastic rubber block 6 are damaged, at the moment, the inner spring 7 starts to extrude and absorb shock, the N stages on the upper and lower layer magnet blocks 8 are close, depending on the characteristic of like polarity repulsion, the huge repulsion force consumes most of impact force, thereby fine buffering the elevator case, for the inside personnel of elevator provide the safety guarantee, the utility model relates to a novel crashproof elevator bottom of the case buffering device has fine practicality and security performance.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel crashproof bottom of case buffer of elevator case, includes buffer (1) and lower floor splint (5), its characterized in that: the buffer (1) is arranged on the outer wall of the lower end of the lower layer clamping plate (5), an upper layer clamping plate (3) is arranged right above the lower layer clamping plate (5), an upper layer magnet block (2) is arranged inside the outer wall of the upper layer clamping plate (3), an outer spring (4) is connected between the lower layer clamping plate (5) and the upper layer clamping plate (3), the lower layer clamping plate (5) and the upper layer clamping plate (3) are fixedly connected through an elastic rubber block (6), an inner spring (7) is arranged inside the elastic rubber block (6), a lower layer magnet block (8) is arranged on the elastic rubber block (6) at the lower side of the inner spring (7), a connecting block (9) is arranged on the buffer (1), a fixed block (13) is arranged right below the connecting block (9), and an expansion spring (12) is connected between the fixed block (13) and the connecting block (9), an outer barrel (10) is arranged on the outer wall of the lower end of the connecting block (9), and the outer barrel (10) is fixedly connected with the fixing block (13) through an inner rod (11).

2. The novel impact-proof elevator box bottom buffering device according to claim 1, characterized in that: the inner rod (11) and the outer cylinder (10) are fixedly connected through a sliding groove (14).

3. The novel impact-proof elevator box bottom buffering device according to claim 1, characterized in that: the upper magnet piece (2) and the lower magnet piece (8) are both provided with S-level and N-level magnets, and the N-level magnets on the upper magnet piece (2) and the lower magnet piece (8) are in relative positions.

4. The novel impact-proof elevator box bottom buffering device according to claim 1, characterized in that: the upper layer clamping plate (3), the lower layer clamping plate (5) and the elastic rubber block (6) are fixedly connected through viscose glue.

5. The novel impact-proof elevator box bottom buffering device according to claim 1, characterized in that: the outer cylinder (10) and the inner rod (11) are both arranged inside the telescopic spring (12).

6. The novel impact-proof elevator box bottom buffering device according to claim 1, characterized in that: the connecting block (9) and the lower layer clamping plate (5) are fixedly connected in a welding mode.