CN210710221U

CN210710221U - Novel elevator buffer

Info

Publication number: CN210710221U
Application number: CN201921557201.6U
Authority: CN
Inventors: 毕成; 朱俊华; 蔡剑云
Original assignee: ZHEJIANG FEIYA ELEVATOR CO Ltd
Current assignee: ZHEJIANG FEIYA ELEVATOR CO Ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-06-09
Anticipated expiration: 2029-09-19

Abstract

The utility model provides a novel elevator buffer. It has solved the intensity of current buffer and has big inadequately, and the security is not high enough, and the buffer causes the problem of secondary damage to comparatively fragile elevator structure easily. The utility model discloses a spring that backup pad and cover established at the support column cushions elevator car for the first time, the backup pad moves down under elevator car's pressure and drives the pressure column downstream with the contact of pressure column, compress the hydraulic oil in the cavity, the pressure storage sponge in the hydraulic oil absorbs the pressure contraction and realizes the buffering of second time, pressure promotes the roof downstream and exposes the first connecting hole on the mounting groove lateral wall on transmitting the roof through hydraulic pressure force, hydraulic oil carries the oil storage tank through first connecting hole in, realize the buffering of elevator car for the third time, buffering through the multistage carries out reasonable absorption to elevator car's pressure, avoid causing the secondary injury to comparatively fragile elevator structure, the cushioning performance is better, the security is higher.

Description

Novel elevator buffer

Technical Field

The utility model belongs to the technical field of the elevator, in particular to novel elevator buffer.

Background

With the rapid development of high-rise buildings in China, the elevator is used as an effective delivery vehicle and is more and more widely applied. However, in recent years, elevator accidents often occur, which cause serious injuries to people, and one of the main reasons is that the design of the elevator buffer device is not reasonable enough. When the elevator car is in accident, the car can not be controlled and falls to the pit of the elevator shaft quickly, and if the buffer device is not reasonable enough, safety accidents can be caused.

The existing buffer applied to the elevator generally adopts a spring structure and a hydraulic structure, the spring buffer has the defects of poor impact energy absorption, large rebound force and easy breakage; although the hydraulic buffer has a good absorption effect, the elevator falling process can generate large impact force, the strength of the buffer is not large enough, the safety is not high enough, the buffer easily causes secondary damage to a fragile elevator structure, the two buffer modes have large problems, the safety is not enough, and the prior art has the improved part.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel elevator buffer that buffering effect is better to foretell not enough.

A novel elevator buffer comprises a base fixedly arranged on a foundation, a supporting plate arranged at the upper end of the base and a buffer mechanism arranged in the base, and is characterized in that a plurality of supporting columns are fixedly arranged on the end surface of the supporting plate facing to the base, a plurality of through holes for installing the supporting columns are arranged on the upper end surface of the base, a buffer spring is sleeved on the periphery of each supporting column, one end of the buffer spring is attached to the lower end surface of the supporting plate, the other end of the buffer spring is attached to the upper end surface of the base, a cavity is arranged in the base, the buffer mechanism is arranged in the cavity, a guide hole communicated with the cavity is arranged on the upper end surface of the base, a pressure column is arranged in the guide hole, one end of the pressure column is arranged in the cavity and fixedly connected with the buffer mechanism, and the other end of the pressure column penetrates through the guide hole, buffer gear is including setting up the clamp plate in the cavity, the fixed setting of pressure column is on the up end of clamp plate, be full of hydraulic oil in the cavity, a mounting groove has been seted up to the bottom of cavity, the fixed dead lever that is provided with in bottom of mounting groove, the cover is equipped with a movable post on the dead lever, the fixed roof that is provided with in upper end of activity post, the periphery cover of activity post is equipped with a reset spring, reset spring's one end and the laminating of the lower terminal surface of roof, the other end sets up with the laminating of the bottom surface of mounting groove.

Preferably, an oil storage groove is formed in the side wall of the base, a second connecting hole communicated to the mounting groove is formed in the bottom of the oil storage groove, the diameter of the oil storage groove is larger than that of the second connecting hole, a spherical first stop block is arranged in the oil storage groove and located at an outlet where the second connecting hole is communicated with the oil storage groove, and the diameter of the first stop block is larger than that of the second connecting hole and smaller than that of the oil storage groove.

Preferably, the communication position of the second connecting hole and the mounting groove is positioned on the inner wall of the top plate, which is attached to the mounting groove.

Preferably, the side wall of the oil storage tank is provided with a first connecting hole communicated to the cavity, the first connecting hole is internally provided with a limiting hole with the same axis, the diameter of the limiting hole is larger than that of the first connecting hole, a spherical second stop block is arranged in the limiting hole, and the diameter of the stop block is larger than that of the first connecting hole.

Preferably, the second connecting hole comprises a first transverse pipe, a second transverse pipe, a first vertical pipe and a second vertical pipe, one end of the first transverse pipe is communicated to the mounting groove, the other end of the first transverse pipe is communicated with the upper end of the first vertical pipe, the lower end of the first vertical pipe is communicated with one end of the second transverse pipe, the other end of the second transverse pipe is communicated with the lower end of the second vertical pipe, and the upper end of the second vertical pipe is communicated with the oil storage tank.

Preferably, the cavity is filled with pressure-accumulating sponge.

Preferably, the diameter of the movable column is larger than that of the fixed rod, a guide groove is formed in one end, facing the fixed rod, of the movable column, the diameter of the guide groove is the same as that of the fixed rod, the diameter of the top plate is the same as that of the mounting groove, and the upper end face of the top plate and the bottom face of the cavity are located on the same plane.

Preferably, the periphery of the pressure plate is sleeved with a circle of rubber, and the diameter of the rubber is the same as that of the cavity.

Preferably, the number of the support columns and the number of the through holes are three, and the support columns correspond to the through holes one to one.

Preferably, the upper end of the pressure column is located between the base and the support plate, and the upper end face of the pressure column is not attached to the lower end face of the support plate.

The utility model discloses can carry out better buffering to the elevator car that falls fast, establish through backup pad and cover and carry out the buffering for the first time to elevator car at the spring of support column, the backup pad moves down under elevator car's pressure and drives the pressure column downstream with the contact of pressure column, compress the hydraulic oil in the cavity, the absorption pressure of the pressure-accumulating sponge in the hydraulic oil contracts and realizes the buffering for the second time, pressure passes through and promotes the roof downstream and expose the first connecting hole on the mounting groove lateral wall on hydraulic pressure force transmits the roof, hydraulic oil carries in the oil storage groove through first connecting hole, realize the buffering for the third time to elevator car, buffering through the multistage formula carries out reasonable absorption to elevator car's pressure, avoid causing the secondary injury to comparatively fragile elevator structure, the cushioning performance is better, the security is higher.

Drawings

FIG. 1 is a view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view at a in fig. 2.

In the figure: 1. a base; 2. a support plate; 3. a buffer mechanism; 4. a support pillar; 5. a through hole; 6. a buffer spring; 7. a cavity; 8. a guide hole; 9. a pressure column; 10. pressing a plate; 11. hydraulic oil; 12. mounting grooves; 13. fixing the rod; 14. a movable post; 15. a return spring; 16. an oil sump; 17. a first connection hole; 18. a first stopper; 19. a second connection hole; 20. a limiting hole; 21. a second stopper; 22. a first cross tube; 23. a second cross tube; 24. a first vertical tube; 25. a second standpipe; 26. pressure-accumulating sponge; 27. a guide groove; 28. rubber.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, a novel elevator buffer, including fixed base 1 that sets up on the ground, backup pad 2 and the buffer gear 3 of setting in base 1 upper end, backup pad 2 is provided with a plurality of support columns 4 towards fixed on base 1's the terminal surface, set up a plurality of through-holes 5 that are used for erection bracing post 4 on base 1's the up end, the periphery cover of support column 4 is equipped with buffer spring 6, buffer spring 6's one end and the lower terminal surface laminating of backup pad 2, the other end sets up with base 1's up end laminating, support column 4 is provided with threely with through-hole 5 respectively, support column 4 and 5 one-to-one of through-hole. The spring that establishes at support column 4 through backup pad 2 and cover cushions elevator car for the first time, and buffer gear 3 that rethread setting was in base 1 carries out subsequent buffering to elevator car and can be comparatively even absorption elevator car's impact force through buffer gear 3 of multistage, prevents that the impact force is too big to lead to comparatively fragile buffer to damage, guarantees that the buffering effect of buffer is the biggest.

As shown in fig. 2 and 3, a cavity 7 is formed in the base 1, a pressure storage sponge 26 is fully distributed in the cavity 7, the buffer mechanism 3 is located in the cavity 7, a guide hole 8 communicated with the cavity 7 is formed in the upper end surface of the base 1, a pressure column 9 is arranged in the guide hole 8, one end of the pressure column 9 is located in the cavity 7 and fixedly connected with the buffer mechanism 3, the other end of the pressure column 9 passes through the guide hole 8 and is located outside the base 1, the buffer mechanism 3 comprises a pressing plate 10 arranged in the cavity 7, the pressure column 9 is fixedly arranged on the upper end surface of the pressing plate 10, hydraulic oil 11 is fully distributed in the cavity 7, a mounting groove 12 is formed in the bottom of the cavity 7, a fixing rod 13 is fixedly arranged at the bottom of the mounting groove 12, a movable column 14 is sleeved on the fixing rod 13, a top plate is fixedly arranged at the upper end of the movable column 14, the periphery cover of activity post 14 is equipped with a reset spring 15, reset spring 15's one end and the laminating of the lower terminal surface of roof, the other end sets up with the laminating of the bottom surface of mounting groove 12.

An oil storage tank 16 is arranged on the side wall of the base 1, a second connecting hole 19 communicated to the mounting groove 12 is arranged at the bottom of the oil storage tank 16, the diameter of the oil storage tank 16 is larger than that of the second connecting hole 19, a spherical first stop block 18 is arranged in the oil storage tank 16, the first stop block 18 is positioned at an outlet where the second connecting hole 19 is communicated with the oil storage tank 16, and the diameter of the first stop block 18 is larger than that of the second connecting hole 19 and smaller than that of the oil storage tank 16.

The communication position of the second connecting hole 19 and the mounting groove 12 is located on the inner wall of the top plate outer wall attached to the mounting groove 12.

The side wall of the oil storage tank 16 is provided with a first connecting hole 17 communicated to the cavity 7, the first connecting hole 17 is internally provided with a limit hole 20 with the same axis, the diameter of the limit hole 20 is larger than that of the first connecting hole 17, a spherical second stop block 21 is arranged in the limit hole 20, and the diameter of the stop block is larger than that of the first connecting hole 17.

Elevator car contacts with backup pad 2 when the tenesmus, establish through backup pad 2 and cover and carry out buffering for the first time to elevator car at the spring of support column 4, backup pad 2 moves down under elevator car's pressure and drives pressure column 9 downstream with pressure column 9 contact after the certain distance, compress hydraulic oil 11 in the cavity 7, the pressure storage sponge 26 in the hydraulic oil 11 absorbs pressure contraction and realizes buffering for the second time, pressure passes through hydraulic pressure and promotes the roof and move down and expose first connecting hole 17 on the mounting groove 12 lateral wall on the roof, hydraulic oil 11 carries in oil storage tank 16 through first connecting hole 17, the realization is cushioned the third time of elevator car.

The second connecting hole 19 comprises a first transverse pipe 22, a second transverse pipe 23, a first vertical pipe 24 and a second vertical pipe 25, one end of the first transverse pipe 22 is communicated with the mounting groove 12, the other end of the first transverse pipe 24 is communicated with the upper end of the first vertical pipe 24, the lower end of the first vertical pipe 24 is communicated with one end of the second transverse pipe 23, the other end of the second transverse pipe 23 is communicated with the lower end of the second vertical pipe 25, and the upper end of the second vertical pipe 25 is communicated with the oil storage tank 16. The flow path of the hydraulic oil 11 is greatly prolonged through the second connecting holes 19 formed by combining multiple sections, and the buffering effect is improved.

The diameter of the movable column 14 is larger than that of the fixed rod 13, one end, facing the fixed rod 13, of the movable column 14 is provided with a guide groove 27, the diameter of the guide groove 27 is the same as that of the fixed rod 13, the diameter of the top plate is the same as that of the mounting groove 12, and the upper end face of the top plate and the bottom face of the cavity 7 are located on the same plane. The moving range of the movable post 14 is limited by the guide groove 27 formed on the movable post 14.

The periphery of the pressure plate 10 is sleeved with a ring of rubber 28, and the diameter of the rubber 28 is the same as that of the cavity 7. The sealing performance of the pressure plate 10 in the use process is guaranteed, and the buffer effect is prevented from being greatly reduced due to the leakage of the hydraulic oil 11 in the cavity 7.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be interpreted in an open-ended manner, i.e. in a manner equivalent to "including at least … …", and not in a closed manner, i.e. in a manner not to be interpreted as "including … … only".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A novel elevator buffer comprises a base (1) fixedly arranged on a foundation, a supporting plate (2) arranged at the upper end of the base (1) and a buffer mechanism (3) arranged in the base (1), and is characterized in that a plurality of supporting columns (4) are fixedly arranged on the end surface of the supporting plate (2) facing the base (1), a plurality of through holes (5) used for installing the supporting columns (4) are formed in the upper end surface of the base (1), a buffer spring (6) is sleeved on the periphery of each supporting column (4), one end of each buffer spring (6) is attached to the lower end surface of the supporting plate (2), the other end of each buffer spring is attached to the upper end surface of the base (1), a cavity (7) is formed in the base (1), the buffer mechanism (3) is positioned in the cavity (7), a guide hole (8) communicated with the cavity (7) is formed in the upper end surface of the base (1), a pressure column (9) is arranged in the guide hole (8), one end of the pressure column (9) is positioned in the cavity (7) and fixedly connected with the buffer mechanism (3), the other end of the pressure column (9) penetrates through the guide hole (8) and is positioned outside the base (1), the buffer mechanism (3) comprises a pressing plate (10) arranged in the cavity (7), the pressure column (9) is fixedly arranged on the upper end face of the pressing plate (10), hydraulic oil (11) is fully distributed in the cavity (7), a mounting groove (12) is formed in the bottom of the cavity (7), a fixing rod (13) is fixedly arranged at the bottom of the mounting groove (12), a movable column (14) is sleeved on the fixing rod (13), a top plate is fixedly arranged at the upper end of the movable column (14), and a reset spring (15) is sleeved on the periphery of the movable column (14), one end of the reset spring (15) is attached to the lower end face of the top plate, and the other end of the reset spring is attached to the bottom face of the mounting groove (12).

2. The novel elevator buffer according to claim 1, wherein the sidewall of the base (1) is formed with an oil reservoir (16), the bottom of the oil reservoir (16) is formed with a second connecting hole (19) communicated to the mounting groove (12), the diameter of the oil reservoir (16) is larger than that of the second connecting hole (19), a spherical first stopper (18) is disposed in the oil reservoir (16), the first stopper (18) is disposed at the outlet of the second connecting hole (19) communicated with the oil reservoir (16), and the diameter of the first stopper (18) is larger than that of the second connecting hole (19) and smaller than that of the oil reservoir (16).

3. The novel elevator buffer of claim 2, wherein the connection between the second connection hole (19) and the mounting groove (12) is located on the inner wall of the top plate where the outer wall of the top plate is attached to the mounting groove (12).

4. The novel elevator buffer according to claim 2, wherein the oil sump (16) has a first connecting hole (17) formed in a side wall thereof and connected to the cavity (7), the first connecting hole (17) has a limiting hole (20) formed therein, the limiting hole (20) has a diameter larger than that of the first connecting hole (17), the limiting hole (20) has a spherical second stopper (21) formed therein, and the diameter of the stopper is larger than that of the first connecting hole (17).

5. The novel elevator buffer according to claim 4, wherein the second connecting hole (19) comprises a first horizontal pipe (22), a second horizontal pipe (23), a first vertical pipe (24) and a second vertical pipe (25), one end of the first horizontal pipe (22) is communicated to the mounting groove (12), the other end of the first horizontal pipe is communicated with the upper end of the first vertical pipe (24), the lower end of the first vertical pipe (24) is communicated with one end of the second horizontal pipe (23), the other end of the second horizontal pipe (23) is communicated with the lower end of the second vertical pipe (25), and the upper end of the second vertical pipe (25) is communicated with the oil storage tank (16).

6. A new type of elevator buffer according to claim 1, characterized by the fact that the cavity (7) is filled with pressure-accumulating sponge (26).

7. The novel elevator buffer as claimed in claim 1, wherein the diameter of the movable column (14) is larger than that of the fixed rod (13), a guide groove (27) is formed in one end of the movable column (14) facing the fixed rod (13), the diameter of the guide groove (27) is the same as that of the fixed rod (13), the diameter of the top plate is the same as that of the mounting groove (12), and the upper end surface of the top plate and the bottom surface of the cavity (7) are located on the same plane.

8. The novel elevator buffer according to claim 1, characterized in that the periphery of the pressure plate (10) is sleeved with a ring of rubber (28), and the diameter of the rubber (28) is the same as the diameter of the cavity (7).

9. The novel elevator buffer according to claim 1, wherein there are three support columns (4) and three through holes (5), and the support columns (4) correspond to the through holes (5) one by one.

10. The novel elevator buffer according to claim 1, characterized in that the upper end of the pressure column (9) is located between the base (1) and the support plate (2) and the upper end face of the pressure column (9) does not fit the lower end face of the support plate (2).