CN217516472U - Elevator buffer device with multiple buffer structures matched with elevator - Google Patents

Abstract

The utility model discloses an elevator buffering device matched with multiple buffering structures for an elevator, which relates to the technical field of elevators and comprises a device shell, wherein a movable pipe is connected above the device shell, a damping spring is arranged inside the movable pipe, a connecting block is connected above the damping spring, a movable rod is fixed on the upper surface of the connecting block, a fixed plate is arranged at the upper end of the movable rod, and a damping rubber pad is arranged on the upper surface of the fixed plate; and the piston is arranged on the lower surface of the movable pipe, and the outer wall of the piston is connected with a liquid storage cavity. This elevator is with multiple buffer structure matched with elevator buffer passes through the shock attenuation cushion that sets up on the fixed plate, can play certain cushioning effect, and the fixed plate of setting promotes the movable rod and moves to drive damping spring and move the compression, make damping spring absorb certain impact, thereby play the effect of secondary buffering, improve buffering effect.

Description

Elevator buffer device with multiple buffer structures matched with elevator

Technical Field

The utility model relates to an elevator technical field specifically is an elevator is with multiple buffer structure matched with elevator buffer.

Background

An elevator is a vertical elevator powered by an electric motor and equipped with a box-like car for carrying people or cargo in a multi-story building. Modern elevators are mainly composed of a traction machine, guide rails, a counterweight, safety devices such as a speed limiter, a buffer and the like, a signal control system, a car, a hall door and the like. These parts are installed in the hoistway and machine room of the building, respectively. In an office building, elevators are installed in residential buildings, and the elevators frequently shuttle among the floors, so that great convenience is brought to people for going out.

When current elevator car takes place the accident and drops, can produce great impact force and lead to the fact the personal injury to the personnel of taking in the elevator car, and fine shock attenuation effect can not be played to most buffer, to above-mentioned condition, carries out technical innovation on current elevator buffer basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multiple buffer structure matched with elevator buffer for elevator to provide current elevator car when taking place accident and dropping in solving above-mentioned background art, can produce the personnel of taking in great impact force to elevator car and cause the personal injury, most buffer can not play fine shock attenuation effect.

In order to achieve the above purpose, the utility model provides a following technical scheme: an elevator buffer device with multiple buffer structure matched with for an elevator, comprising:

the device comprises a device shell, wherein a movable pipe is connected above the device shell, a damping spring is arranged inside the movable pipe, a connecting block is connected above the damping spring, a movable rod is fixed on the upper surface of the connecting block, a fixed plate is arranged at the upper end of the movable rod, and a damping rubber pad is arranged on the upper surface of the fixed plate;

the piston, its setting is in the lower surface of movable tube, the outer wall connection of piston has the stock solution chamber, one side in stock solution chamber is connected with carries the chamber, carry the inside symmetry in chamber to install two current-limiting pieces.

Preferably, the movable rod forms an elastic telescopic structure through the connecting block, the damping spring and the movable pipe, the fixed plate and the movable rod are fixedly connected, and the damping rubber pad and the fixed plate are in adhesive connection.

Preferably, the movable tube passes through and constitutes extending structure between piston and stock solution chamber and the device shell, and the outer wall of piston closely laminates with the inner wall in stock solution chamber to carry intercommunication each other between chamber and the stock solution chamber.

Preferably, the device housing is further provided with:

the connecting pipe is symmetrically arranged on the outer surface of the device shell, the tail end of the connecting pipe is connected with a buffer shell, and a buffer cavity is arranged inside the buffer shell.

Preferably, the buffer shell forms a communicating structure with the conveying cavity through a connecting pipe, and the flow limiting piece is fixedly connected with the conveying cavity.

Preferably, the buffer chamber is further provided with:

the guide rod is symmetrically arranged inside the buffer cavity, the movable block is connected below the guide rod, and two reset springs are symmetrically arranged on the lower surface of the movable block.

Preferably, be fixed connection between guide bar and the cushion chamber, and the movable block passes through reset spring and constitutes elasticity extending structure between guide bar and the cushion chamber.

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

1. the elevator buffering device with the matched various buffering structures for the elevator can play a certain role in shock absorption through the shock absorption rubber pads arranged on the fixing plates, and the arranged fixing plates push the movable rods to move so as to drive the shock absorption springs to move and compress, so that the shock absorption springs absorb certain impact force, a secondary buffering function is achieved, and a buffering effect is improved;

2. the elevator buffer device matched with various buffer structures for the elevator can push hydraulic oil to move when the piston moves through the hydraulic oil arranged in the liquid storage cavity, and the hydraulic oil in the liquid storage cavity enters the conveying cavity so as to buffer again; the flow limiting piece arranged in the conveying cavity can reduce the flow speed of the hydraulic oil when the hydraulic oil passes through the flow limiting piece, so that the situation that the hydraulic oil in the liquid storage cavity flows too fast and cannot be buffered is avoided;

3. this elevator is with multiple buffer structure matched with elevator buffer passes through the cushion chamber that sets up, flows into to the buffering shell when hydraulic oil in, can promote the movable block and move to drive reset spring and compress, further play the effect of buffering, and the guide bar that sets up can play the effect of direction, the condition of emergence skew when can effectual reduction movable block moves.

Drawings

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

FIG. 2 is a schematic view of the sectional structure of the movable tube of the present invention;

FIG. 3 is a schematic cross-sectional view of the device housing of the present invention;

fig. 4 is a schematic view of the sectional structure of the buffer shell of the present invention.

In the figure: 1. a device housing; 2. a movable tube; 3. a damping spring; 4. connecting blocks; 5. a movable rod; 6. a fixing plate; 7. a shock-absorbing rubber pad; 8. a piston; 9. a liquid storage cavity; 10. a delivery lumen; 11. a flow restriction; 12. a connecting pipe; 13. a buffer shell; 14. a buffer chamber; 15. a guide bar; 16. a movable block; 17. a return spring.

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.

The utility model discloses an improve and provide a multiple buffer structure matched with elevator buffer for elevator here, as shown in fig. 1-3, include: the device comprises a device shell 1, a movable tube 2 is connected above the device shell 1, a damping spring 3 is arranged inside the movable tube 2, a connecting block 4 is connected above the damping spring 3, a movable rod 5 is fixed on the upper surface of the connecting block 4, the movable rod 5 forms an elastic telescopic structure with the movable tube 2 through the connecting block 4 and the damping spring 3, a fixing plate 6 is arranged at the upper end of the movable rod 5, the fixing plate 6 is fixedly connected with the movable rod 5, a damping rubber pad 7 is arranged on the upper surface of the fixing plate 6, the damping rubber pad 7 is connected with the fixing plate 6 in an adhesion manner, a certain damping effect can be achieved through the damping rubber pad 7 arranged on the fixing plate 6, the fixing plate 6 pushes the movable rod 5 to move, the damping spring 3 is driven to move and compress, the damping spring 3 absorbs certain impact force, and plays a secondary buffering role, the buffering effect is improved; piston 8, it sets up the lower surface at movable tube 2, the outer wall connection of piston 8 has stock solution chamber 9, movable tube 2 passes through piston 8 and constitutes extending structure between stock solution chamber 9 and the device shell 1, and the outer wall of piston 8 closely laminates with the inner wall in stock solution chamber 9, one side of stock solution chamber 9 is connected with carries chamber 10, carry intercommunication each other between chamber 10 and the stock solution chamber 9, carry the inside symmetry in chamber 10 to install two current-limiting pieces 11, hydraulic oil through setting up in the stock solution chamber 9, when making piston 8 move, can promote hydraulic oil and move, hydraulic oil in the stock solution chamber 9 gets into to carrying in the chamber 10, thereby cushion once more.

The utility model discloses an improve and provide a multiple buffer structure matched with elevator buffer for elevator here, as shown in fig. 3-4, include: the connecting pipe 12 is symmetrically arranged on the outer surface of the device shell 1, the tail end of the connecting pipe 12 is connected with a buffer shell 13, the buffer shell 13 forms a communicating structure with the conveying cavity 10 through the connecting pipe 12, the flow limiting piece 11 is fixedly connected with the conveying cavity 10, a buffer cavity 14 is arranged inside the buffer shell 13, and the flow limiting piece 11 arranged in the conveying cavity 10 enables hydraulic oil to pass through the flow limiting piece 11, so that the flow rate of the hydraulic oil can be reduced, and the situation that the hydraulic oil in the liquid storage cavity 9 flows too fast and cannot be buffered is avoided; guide bar 15, its symmetry sets up the inside at cushion chamber 14, be fixed connection between guide bar 15 and the cushion chamber 14, the below of guide bar 15 is connected with movable block 16, the lower surface symmetry of movable block 16 is provided with two reset spring 17, movable block 16 passes through reset spring 17 and constitutes elastic telescopic structure between guide bar 15 and the cushion chamber 14, cushion chamber 14 through the setting, flow into to the buffering shell 13 in hydraulic oil, can promote movable block 16 and move, thereby drive reset spring 17 and compress, further effect of buffering of playing, and guide bar 15 that sets up can play the effect of direction, the condition of skew takes place when can effectual reduction movable block 16 moves.

This elevator is with multiple buffer structure matched with elevator buffer's theory of operation: before the elevator buffering device matched with various buffering structures for the elevator is used, the device shell 1 is firstly arranged at a proper position, when the elevator falls accidentally, the bottom end of the elevator is contacted with the damping rubber pad 7 on the fixed plate 6 through the damping spring 3 arranged in the movable tube 2, the damping rubber pad 7 can play a certain buffering effect, then the fixed plate 6 pushes the movable rod 5 to move, the connecting block 4 compresses the damping spring 3, the damping spring 3 absorbs partial impact force to play a role of secondary buffering, when the impact force is large, the damping spring 3 is completely compressed, the movable tube 2 pushes the piston 8 to move, hydraulic oil is arranged in the liquid storage cavity 9, the piston 8 can be extruded when moving, the hydraulic oil in the liquid storage cavity 9 can enter the conveying cavity 10 and flows into the buffering shell 13 through the connecting tube 12, and what set up on the transport chamber 10 has the current-limiting piece 11, current-limiting piece 11 is narrow structure in the lower width, when making hydraulic oil pass between two current-limiting piece 11, can slow down the velocity of flow, thereby avoid the too fast condition of flow to take place for hydraulic oil in the stock solution chamber 9, when hydraulic oil enters into the cushion chamber 14 in the buffering shell 13, can push away movable block 16 and move, under guide bar 15 and reset spring 17's cooperation, movable block 16 descends, thereby further play the effect of buffering, after using, the reset spring 17 who sets up can promote movable block 16 and reset, make hydraulic oil flow in to the stock solution chamber 9 in drive movable pipe 2 and reset, make this buffer have multiple buffer structure and cooperate, realize better buffering effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (7)

1. The utility model provides an elevator is with multiple buffer structure matched with elevator buffer which characterized in that includes:

the device comprises a device shell (1), wherein a movable tube (2) is connected above the device shell (1), a damping spring (3) is arranged inside the movable tube (2), a connecting block (4) is connected above the damping spring (3), a movable rod (5) is fixed on the upper surface of the connecting block (4), a fixing plate (6) is arranged at the upper end of the movable rod (5), and a damping rubber pad (7) is arranged on the upper surface of the fixing plate (6);

piston (8), its setting is in the lower surface of movable tube (2), the outer wall connection of piston (8) has stock solution chamber (9), one side of stock solution chamber (9) is connected with transport chamber (10), the inside symmetry in transport chamber (10) is installed two current-limiting piece (11).

2. The buffer device of elevator with multiple buffer structures matched with claim 1, wherein: the movable rod (5) is of an elastic telescopic structure through the connecting block (4), the damping spring (3) and the movable pipe (2), the fixed plate (6) is fixedly connected with the movable rod (5), and the damping rubber pad (7) is in adhesive connection with the fixed plate (6).

3. The buffer device of elevator with multiple buffer structures matched with claim 1, wherein: the movable pipe (2) forms a telescopic structure between the piston (8) and the liquid storage cavity (9) and the device shell (1), the outer wall of the piston (8) is tightly attached to the inner wall of the liquid storage cavity (9), and the conveying cavity (10) is communicated with the liquid storage cavity (9).

4. The buffer device of elevator with multiple buffer structures matched with claim 1, wherein: the device housing (1) is further provided with:

the connecting pipe (12) is symmetrically arranged on the outer surface of the device shell (1), the tail end of the connecting pipe (12) is connected with a buffer shell (13), and a buffer cavity (14) is arranged inside the buffer shell (13).

5. The buffer device of claim 4, wherein the buffer structure comprises at least one of: the buffer shell (13) is communicated with the conveying cavity (10) through a connecting pipe (12), and the flow limiting piece (11) is fixedly connected with the conveying cavity (10).

6. The buffer device of claim 4, wherein the buffer structure comprises at least one of: the buffer chamber (14) is further provided with:

the buffer device comprises a guide rod (15) which is symmetrically arranged inside the buffer cavity (14), a movable block (16) is connected below the guide rod (15), and two return springs (17) are symmetrically arranged on the lower surface of the movable block (16).

7. The buffer device of claim 6, wherein the buffer structure comprises at least one of: the guide rod (15) is fixedly connected with the buffer cavity (14), and the movable block (16) forms an elastic telescopic structure with the buffer cavity (14) through a return spring (17) and the guide rod (15).

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