CN214989504U

CN214989504U - Buffer for elevator

Info

Publication number: CN214989504U
Application number: CN202120944199.9U
Authority: CN
Inventors: 韩斗俊
Original assignee: Anhui Fuji Elevator Co ltd
Current assignee: Anhui Fuji Elevator Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-12-03
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a buffer device for elevator, which belongs to the technical field of elevator, comprising an elevator shaft, wherein the bottom of the elevator shaft is provided with a base, the upper end of the base is provided with a plurality of groups of buffer mechanisms, the upper end of the buffer mechanism is provided with a support plate, the elevator of the utility model falls to the bottom end of the elevator shaft, when impacting the buffer device, the air cushion is in contact with the elevator firstly, and the elevator is buffered for the first time; the backup pad pushes down, the multiunit gyro wheel gliding of setting, its stability has been guaranteed, drive the fixing base simultaneously and push down, thereby make the articulated angle change of bull stick frame, promote the sliding block and slide in the horizontal pole outside, provide elasticity through first spring, provide the buffering, further cushion the shock attenuation to the elevator, rethread second spring and third spring carry out cubic buffering to the elevator and slow down, reduce and strike, make the elevator thoroughly stop getting off, through buffering many times, eliminate and strike, the buffering is effectual, reduce the damage, and the suitable popularization and use.

Description

Buffer for elevator

Technical Field

The utility model belongs to the technical field of the elevator, concretely relates to buffer for elevator.

Background

With the development of society, floors of modern buildings gradually move to the sky, and the number of high-rise buildings with hundreds of meters is too many, and in the high-rise buildings, an elevator is an extremely important auxiliary tool, however, the elevator brings convenience, and meanwhile, serious potential safety hazards also exist, namely, the elevator is in a falling accident, although a protection facility for preventing the elevator from squatting at the bottom of an elevator shaft is arranged at the bottom of the elevator shaft in the prior art; however, the existing buffer facilities have serious hard landing phenomenon and poor buffer effect, so that the elevator falls and still causes impact force damage.

SUMMERY OF THE UTILITY MODEL

The utility model provides a buffer for elevator has buffering effectual, reduces the characteristics of impact force.

In order to achieve the above object, the utility model provides a following technical scheme: a buffer device for an elevator comprises an elevator shaft, wherein a base is arranged at the bottom of the elevator shaft, a plurality of groups of buffer mechanisms are arranged at the upper end of the base, a support plate is arranged at the upper end of each buffer mechanism, an air cushion is arranged at the upper end of each support plate, and sliding assemblies are arranged on two sides of each support plate;

buffer gear is including fixing the fixing base at the backup pad lower extreme, the both sides of fixing base all articulate there is the bull stick frame, the lower extreme of bull stick frame articulates there is the sliding block, the inside of sliding block is run through there is the horizontal pole, the one end of horizontal pole is provided with the stopper, the other end of horizontal pole is provided with the fixed block, the outside cover of horizontal pole is equipped with first spring, the one end of first spring is connected on the fixed block, and the other end is connected on the sliding block, the outside of fixed block is provided with the bracing piece, the bracing piece is fixed in the base upper end, the lower extreme of fixing base is provided with branch, the lower part outside of branch is provided with the sleeve, telescopic outside cover is equipped with the second spring, the upper end of second spring is connected in the fixing base bottom, the lower extreme of second spring is connected in the base upper end.

Preferably, the sliding assembly comprises a support frame fixed on the side of the support plate, a rotating pin shaft is erected on the support frame, and a roller is arranged outside the rotating pin shaft.

Preferably, the lower extreme of sliding block is provided with the track that slides, the track's that slides lower extreme is provided with the fixed plate, the fixed plate is fixed on the bracing piece.

Preferably, a piston is arranged in the sleeve and is arranged at the lower end of the supporting rod, a third spring is connected to the lower end of the piston, and the third spring is arranged in the sleeve.

Preferably, the inner wall of the elevator shaft is provided with a groove corresponding to the roller.

Preferably, a sliding cavity sleeve is arranged between the sliding block and the cross rod.

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

when the elevator is in accident and falls, the elevator falls to the bottom end of the elevator shaft, and when the buffer device is impacted, the air cushion is in contact with the elevator first to buffer the elevator for the first time; the backup pad pushes down, the multiunit gyro wheel gliding of setting, its stability has been guaranteed, it pushes down to drive the fixing base simultaneously, thereby make the articulated angle change of bull stick frame, promote the sliding block and slide in the horizontal pole outside, provide elasticity through first spring, provide the buffering, further cushion the shock attenuation to the elevator, rethread second spring and third spring carry out cubic buffering to the elevator and slow down, reduce and strike, make the elevator thoroughly stop getting off, can carry out spacingly at the decline in-process to its second spring through branch, prevent the skew, through buffering many times, eliminate the impact, the buffering effect is good, reduce the damage, suitable using widely.

Drawings

Fig. 1 is the utility model discloses a buffer for elevator's structural schematic.

Fig. 2 is a schematic structural diagram of the sliding assembly of the present invention.

Fig. 3 is a schematic structural diagram of the buffering mechanism of the present invention.

Fig. 4 is a schematic view of the internal structure of the sleeve according to the present invention.

In the figure: 1. an elevator shaft; 2. an air cushion; 3. a support plate; 4. a glide assembly; 41. rotating the pin shaft; 42. a roller; 43. a support frame; 5. a buffer mechanism; 51. a support bar; 52. a fixed block; 53. a first spring; 54. a cross bar; 55. a fixed seat; 56. a rotating rod frame; 57. a limiting block; 58. a slider; 59. a sliding track; 510. a fixing plate; 511. a second spring; 512. a sleeve; 513. a strut; 514. a piston; 515. a third spring; 6. a base.

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 the following technical solutions: a buffer device for an elevator comprises an elevator shaft 1, wherein a base 6 is arranged at the bottom of the elevator shaft 1, a plurality of groups of buffer mechanisms 5 are arranged at the upper end of the base 6, a supporting plate 3 is arranged at the upper end of each buffer mechanism 5, an air cushion 2 is arranged at the upper end of each supporting plate 3, and sliding assemblies 4 are arranged on two sides of each supporting plate 3;

the buffer mechanism 5 comprises a fixed seat 55 fixed at the lower end of the support plate 3, two sides of the fixed seat 55 are hinged with a rotating rod frame 56, the lower end of the rotating rod frame 56 is hinged with a sliding block 58, a cross rod 54 penetrates through the inside of the sliding block 58, and the sliding block 58 can slide on the cross rod 54 conveniently; a sliding cavity sleeve is arranged between the sliding block 58 and the cross rod 54; one end of the cross bar 54 is provided with a limiting block 57, the other end of the cross bar 54 is provided with a fixed block 52, the outside of the cross bar 54 is sleeved with a first spring 53, one end of the first spring 53 is connected to the fixed block 52, the other end of the first spring is connected to a sliding block 58, the outer side of the fixed block 52 is provided with a supporting rod 51, the supporting rod 51 is fixed at the upper end of the base 6, for the stable movement of the sliding block 58, the lower end of the sliding block 58 is provided with a sliding track 59, the lower end of the sliding track 59 is provided with a fixed plate 510, and the fixed plate 510 is fixed on the supporting rod 51; the lower extreme of fixing base 55 is provided with branch 513, the lower part outside of branch 513 is provided with sleeve 512, the outside cover of sleeve 512 is equipped with second spring 511, the upper end of second spring 511 is connected in fixing base 55 bottom, the lower extreme of second spring 511 is connected in 6 upper ends of base, in order to carry on spacingly to branch 513, prevent that branch 513 bottom from stretching out sleeve 512, the inside of sleeve 512 is provided with piston 514, piston 514 sets up the lower extreme at branch 513, in order to further improve buffering effect, the lower extreme of piston 514 is connected with third spring 515, third spring 515 sets up the inside at sleeve 512.

In the present embodiment, in order to ensure stable lowering of the support plate 3; the sliding assembly 4 comprises a support frame 43 fixed on the side of the support plate 3, a rotating pin 41 is erected on the support frame 43, a roller 42 is arranged outside the rotating pin 41, and a groove corresponding to the roller 42 is arranged on the inner wall of the elevator shaft 1 for the roller 42 to roll stably and smoothly.

The utility model discloses a theory of operation and use flow: when the utility model is used, when the elevator is in accident and falls, the elevator falls to the bottom end of the elevator shaft 1, and when the buffer device is impacted, the air cushion 2 is in contact with the elevator first to buffer the elevator for the first time; backup pad 3 pushes down, the multiunit gyro wheel 42 gliding of setting, its stability has been guaranteed, it pushes down to drive fixing base 55 simultaneously, thereby make the articulated angle change of bull stick frame 56, promote sliding block 58 and slide in horizontal pole 54 outside, provide elasticity through first spring 53, provide the buffering, further cushion the shock attenuation to the elevator, rethread second spring 511 and third spring 515 carry out cubic buffering to the elevator and slow down, reduce the impact, make the elevator thoroughly stop, can carry on spacingly at the in-process that descends to its second spring 511 through branch 513, prevent the skew, through buffering many times, eliminate the impact, the buffering effect is good, reduce the damage, suitable using widely.

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. A buffer device for an elevator, comprising an elevator shaft (1), characterized in that: a base (6) is arranged at the bottom of the elevator shaft (1), a plurality of groups of buffer mechanisms (5) are arranged at the upper end of the base (6), a supporting plate (3) is arranged at the upper end of each buffer mechanism (5), an air cushion (2) is arranged at the upper end of each supporting plate (3), and sliding assemblies (4) are arranged on two sides of each supporting plate (3);

the buffer mechanism (5) comprises a fixed seat (55) fixed at the lower end of the supporting plate (3), rotating rod frames (56) are hinged to two sides of the fixed seat (55), sliding blocks (58) are hinged to the lower ends of the rotating rod frames (56), a cross rod (54) penetrates through the inside of each sliding block (58), a limiting block (57) is arranged at one end of each cross rod (54), a fixed block (52) is arranged at the other end of each cross rod (54), a first spring (53) is sleeved outside each cross rod (54), one end of each first spring (53) is connected to each fixed block (52), the other end of each first spring is connected to each sliding block (58), a supporting rod (51) is arranged on the outer side of each fixed block (52), each supporting rod (51) is fixed at the upper end of the base (6), a supporting rod (513) is arranged at the lower end of each fixed seat (55), and a sleeve (512) is arranged outside the lower portion of each supporting rod (513), the outside cover of sleeve (512) is equipped with second spring (511), the upper end of second spring (511) is connected in fixing base (55) bottom, the lower extreme of second spring (511) is connected in base (6) upper end.

2. A buffer device for an elevator according to claim 1, wherein: the sliding assembly (4) comprises a support frame (43) fixed on the side of the support plate (3), a rotating pin shaft (41) is erected on the support frame (43), and a roller (42) is arranged outside the rotating pin shaft (41).

3. A buffer device for an elevator according to claim 1, wherein: the lower extreme of sliding block (58) is provided with glide track (59), the lower extreme of glide track (59) is provided with fixed plate (510), fixed plate (510) are fixed on bracing piece (51).

4. A buffer device for an elevator according to claim 1, wherein: the inside of sleeve (512) is provided with piston (514), piston (514) set up the lower extreme at branch (513), the lower extreme of piston (514) is connected with third spring (515), third spring (515) set up the inside at sleeve (512).

5. A buffer device for an elevator according to claim 2, wherein: the inner wall of the elevator shaft (1) is provided with a groove corresponding to the roller (42).

6. A buffer device for an elevator according to claim 1, wherein: a sliding cavity sleeve is arranged between the sliding block (58) and the cross rod (54).