CN215439193U

CN215439193U - High stability elevator car bumper shock absorber with fatigue-resistant effect

Info

Publication number: CN215439193U
Application number: CN202121807798.2U
Authority: CN
Inventors: 冒沿宏; 冒毓杰
Original assignee: Nantong Hongtu Rubber And Plastic Co ltd
Current assignee: Nantong Hongtu Rubber And Plastic Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-07
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a high-stability elevator car shock absorber with a fatigue-resistant effect, which comprises an elevator car, wherein a movable groove is formed in the elevator car, and a reset buffer spring is arranged in the movable groove; the telescopic loop bar is arranged on one side of the reset buffer spring, and a telescopic inner rod is arranged in the telescopic loop bar; the connecting rotating shaft is arranged below the telescopic sleeve rod, and the supporting rod is installed below the connecting rotating shaft. Compared with the prior art, the utility model provides a high-stability elevator car shock absorber with a fatigue-resistant effect, which has the following beneficial effects: be provided with the shock-absorbing structure who is the triangle-shaped structure in this elevator car bumper shock absorber, triangle-shaped has good stability, and then has improved the stability of elevator car bumper shock absorber greatly, and the triangle-shaped structure can share the power that this bumper shock absorber received simultaneously, and then reduces shock-absorbing structure's stress, and then improves fatigue resistance.

Description

High stability elevator car bumper shock absorber with fatigue-resistant effect

Technical Field

The utility model relates to the technical field of elevator car shock absorbers, in particular to a high-stability elevator car shock absorber with a fatigue resistant effect.

Background

An elevator car is a box-shaped space for carrying and transporting people and materials, and generally comprises main components such as a car bottom, a car wall, a car top, a car door and the like. Is a car component of an elevator used to carry passengers or cargo and other loads, and an elevator car damper provides a damping effect for an elevator car.

The existing elevator car bottom vibration damper is generally formed by gluing a rubber vibration damping cushion block and a steel plate, the rubber vibration damping cushion and the steel plate are glued to cause the fatigue resistance of the rubber vibration damping cushion and the steel plate to decline after being subjected to vibration or distortion for a long time, so that the defects of aging, cracking and the like are caused, and the high-stability elevator car vibration damper with the fatigue resistance effect is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-stability elevator car shock absorber with a fatigue-resistant effect, and aims to solve the problems that the conventional elevator car bottom damping device in the background art is generally formed by gluing a rubber damping cushion block and a steel plate, and the rubber damping cushion and the steel plate are stuck to each other and are subjected to vibration or distortion for a long time, so that the fatigue resistance of the rubber damping cushion and the steel plate is reduced, and the defects of aging, cracking and the like are caused.

In order to achieve the purpose, the utility model provides the following technical scheme: a high stability elevator car shock absorber with fatigue resistant effect, comprising:

the elevator car is internally provided with a movable groove, and a reset buffer spring is arranged in the movable groove;

the telescopic loop bar is arranged on one side of the reset buffer spring, and a telescopic inner rod is arranged in the telescopic loop bar;

the connecting rotating shaft is arranged below the telescopic sleeve rod, and a supporting rod is arranged below the connecting rotating shaft;

the base is arranged below the supporting rod, and a supporting bearing penetrates through the base;

and the damping bottom plate is arranged below the base.

Preferably, the supporting rod is rotated on the base through a supporting bearing, and the damping bottom plate is connected with the base in a welding mode.

Preferably, the telescopic inner rod is connected with the rotating shaft to rotate on the telescopic loop bar, and the telescopic loop bar is elastically connected with the movable groove through the reset buffer spring.

Preferably, the telescopic loop bar is further provided with:

and the limiting sliding block is fixedly arranged on one side of the telescopic sleeve rod, and one side of the limiting sliding block, which is far away from the telescopic sleeve rod, is provided with a limiting sliding groove.

Preferably, the telescopic loop bar slides and moves in the movable groove through the limiting sliding groove and the limiting sliding block, and the telescopic inner rod stretches in the telescopic loop bar.

Preferably, the elevator car is further provided with:

the limiting inner rod is fixedly arranged below the elevator car, and a limiting sleeve is fixedly arranged below the limiting inner rod;

the limiting damping spring is arranged on the outer side of the limiting sleeve;

and the buffer air bag is arranged on one side of the limiting sleeve.

Preferably, the elevator car is elastically connected with the damping bottom plate through a limiting damping spring, and the limiting inner rod stretches inside the limiting sleeve.

Compared with the prior art, the utility model provides a high-stability elevator car shock absorber with a fatigue-resistant effect, which has the following beneficial effects: be provided with the shock-absorbing structure who is the triangle-shaped structure in this elevator car bumper shock absorber, triangle-shaped has good stability, and then has improved the stability of elevator car bumper shock absorber greatly, and the triangle-shaped structure can share the power that this bumper shock absorber received simultaneously, and then reduces shock-absorbing structure's stress, and then improves fatigue resistance.

1. The two support rods, the telescopic inner rod, the telescopic loop bar, the reset buffer springs and the movable groove are used for supporting and damping, and the two support rods, the telescopic inner rod and the telescopic loop bar can bear the force borne by the two reset buffer springs, so that the stress borne by the reset buffer springs is reduced, and the fatigue resistance of the reset buffer springs is improved;

2. the stability between the elevator car and the damping bottom plate is improved through the limiting inner rod, the limiting damping spring and the limiting sleeve, so that the overall stability of the damper is improved;

3. the utility model plays a role in assisting shock absorption through the buffer air bag, thereby improving the shock absorption performance of the whole shock absorber, sharing the stress condition of the whole shock absorber and improving the fatigue resistance of the whole shock absorber.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the external structure of the shock absorbing base plate according to the present invention;

fig. 3 is a schematic view of the internal structure of the elevator car of the present invention;

fig. 4 is a schematic view of the connection structure of the telescopic loop bar and the movable groove of the utility model.

In the figure: 1. an elevator car; 2. an inner limiting rod; 3. a limiting damping spring; 4. a damping bottom plate; 5. a limiting sleeve; 6. a support bearing; 7. a base; 8. a support bar; 9. a buffer air bag; 10. a telescopic inner rod; 11. a telescopic loop bar; 12. a return buffer spring; 13. a movable groove; 14. connecting the rotating shaft; 15. a limiting chute; 16. and a limiting sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 and 2, a high-stability elevator car damper having a fatigue resistant effect includes: the elevator car comprises an inner limiting rod 2, a bearing and a driving device, wherein the inner limiting rod 2 is fixedly arranged below an elevator car 1, and a limiting sleeve 5 is fixedly arranged below the inner limiting rod 2; the limiting damping spring 3 is arranged on the outer side of the limiting sleeve 5; the buffer air bag 9 is arranged on one side of the limiting sleeve 5; the elevator car 1 is elastically connected with a damping bottom plate 4 through a limiting damping spring 3, and a limiting inner rod 2 is stretched in a limiting sleeve 5; the stability between the elevator car 1 and the damping bottom plate 4 is improved through the limiting inner rod 2, the limiting damping spring 3 and the limiting sleeve 5, so that the overall stability of the damper is improved; the utility model plays a role in assisting shock absorption through the buffer air bag 9, thereby improving the shock absorption performance of the whole shock absorber, sharing the stress condition of the whole shock absorber and improving the fatigue resistance of the whole shock absorber.

As shown in fig. 3 and 4, a high-stability elevator car damper having a fatigue resistant effect includes: the elevator comprises an elevator car 1, wherein a movable groove 13 is formed in the elevator car 1, and a reset buffer spring 12 is arranged in the movable groove 13; a telescopic loop bar 11 arranged at one side of the reset buffer spring 12, wherein a telescopic inner bar 10 is arranged inside the telescopic loop bar 11; the connecting rotating shaft 14 is arranged below the telescopic sleeve rod 11, and the supporting rod 8 is arranged below the connecting rotating shaft 14; the base 7 is arranged below the support rod 8, and a support bearing 6 penetrates through the base 7; a damper base plate 4 installed below the base 7; the supporting rod 8 is rotated on the base 7 through the supporting bearing 6, and the damping bottom plate 4 is connected with the base 7 in a welding mode; the telescopic inner rod 10 is connected with a rotating shaft 14 to rotate on a telescopic loop bar 11, and the telescopic loop bar 11 is elastically connected with a movable groove 13 through a reset buffer spring 12; the limiting slide block 16 is fixedly arranged on one side of the telescopic loop bar 11, and a limiting sliding groove 15 is formed in one side, far away from the telescopic loop bar 11, of the limiting slide block 16; the telescopic loop bar 11 slides and moves in the movable groove 13 through the limiting sliding groove 15 and the limiting sliding block 16, and the telescopic inner bar 10 stretches and retracts in the telescopic loop bar 11; the two support rods 8, the telescopic inner rod 10, the telescopic loop bar 11, the reset buffer spring 12 and the movable groove 13 play a role of supporting and damping as long as the two support rods 8, the telescopic inner rod 10 and the telescopic loop bar 11 can share the force borne by the two reset buffer springs 12, so that the stress borne by the reset buffer springs 12 is reduced, and the fatigue resistance of the reset buffer springs 12 is improved.

The working principle is as follows: when using this high stability elevator car bumper shock absorber that has fatigue-resistant effect, at first 4 atress of vibration damping bottom plate, 2 contract in to spacing sleeve 5 in spacing interior pole, spacing damping spring 3 compresses simultaneously, then the lower extreme of bracing piece 8 passes through support bearing 6 and rotates on base 7, the upper end of bracing piece 8 rotates on telescopic loop bar 11 through connecting pivot 14, telescopic interior pole 10 stretches out from telescopic loop bar 11's inside, telescopic loop bar 11 slides in movable groove 13 through spacing spout 15 and spacing slider 16, and compress and reset buffer spring 12, the telescopic interior pole 10 also so removes with the principle, play the cushioning effect, secondly, elevator car 1 descends and contacts with buffering gasbag 9 when certain degree, buffering gasbag 9 receives the extrusion deformation, give elevator car 1 certain elasticity simultaneously, play the cushioning effect.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high stability elevator car bumper shock absorber with antifatigue effect which characterized in that includes:

the elevator car (1), a movable groove (13) is formed in the elevator car (1), and a reset buffer spring (12) is installed in the movable groove (13);

the telescopic sleeve rod (11) is arranged on one side of the reset buffer spring (12), and a telescopic inner rod (10) is arranged in the telescopic sleeve rod (11);

the connecting rotating shaft (14) is arranged below the telescopic sleeve rod (11), and a supporting rod (8) is arranged below the connecting rotating shaft (14);

the base (7) is arranged below the supporting rod (8), and a supporting bearing (6) penetrates through the base (7);

a damper base plate (4) mounted below the base (7).

2. High stability elevator car shock absorber with fatigue resistance effect according to claim 1, characterized in that the support rod (8) is realized to rotate on the base (7) through the support bearing (6), and the damping bottom plate (4) and the base (7) are welded.

3. The elevator car shock absorber with high stability and fatigue resistance as claimed in claim 1, wherein the telescopic inner rod (10) is rotated on the telescopic loop bar (11) through a connecting rotating shaft (14), and the telescopic loop bar (11) is elastically connected with the movable groove (13) through a reset buffer spring (12).

4. A high stability elevator car shock absorber with fatigue resistance effect according to claim 1, characterized in that the telescopic loop bar (11) is further provided with:

and the limiting sliding block (16) is fixedly arranged on one side of the telescopic sleeve rod (11), and a limiting sliding groove (15) is formed in one side, far away from the telescopic sleeve rod (11), of the limiting sliding block (16).

5. A high stability elevator car shock absorber with fatigue-resistant effect as claimed in claim 4, characterized in that the telescopic loop bar (11) is realized by a limit runner (15) and a limit slider (16) sliding movement inside the movable groove (13), and the telescopic inner bar (10) is realized by telescopic inside the telescopic loop bar (11).

6. A high stability elevator car shock absorber with fatigue resistance effect according to claim 1, characterized in that the elevator car (1) is further provided with:

the elevator car limiting device comprises an inner limiting rod (2) which is fixedly arranged below the elevator car (1), and a limiting sleeve (5) is fixedly arranged below the inner limiting rod (2);

the limiting damping spring (3) is installed on the outer side of the limiting sleeve (5);

and the buffer air bag (9) is arranged on one side of the limiting sleeve (5).

7. The elevator car shock absorber with high stability and fatigue resistance effect as claimed in claim 6, wherein the elevator car (1) is elastically connected with the damping bottom plate (4) through a limiting damping spring (3), and the limiting inner rod (2) is stretched inside the limiting sleeve (5).