CN211056455U

CN211056455U - Novel compact type household elevator buffer

Info

Publication number: CN211056455U
Application number: CN201921853988.0U
Authority: CN
Inventors: 黄岚岚; 陆胜林; 王营浚
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 compact home elevator buffer, which comprises a buffer tube and an axis rod, wherein the axis rod is arranged inside the upper end of the buffer tube, the lower end of the buffer tube is provided with an oiling through pipe, when the buffer tube collides with an elevator car, the elevator car is firstly contacted with a slow pressing plate, the slow pressing plate is vertically pressed downwards to force a collided head connected with the upper end of the axis rod to extrude and compress a protective spring to slide upwards along the circumferential inner wall of a buffer chamber, when the collided head slides to the bottom of the upper end of the buffer chamber and is clamped in a groove, the descending pressure is transmitted to the buffer tube by the axis rod, and the pressure is buffered by the hydraulic pressure in the buffer tube, so that the collision pressure of the collided head inside the collided head protective tube can be relieved, the safety of passengers and equipment is protected, because the upper end of the slow pressing plate is provided with a rubber pad, the rubber pad can play, prevent that elevator car from leading to the deformation of elevator car bottom plate because of local pressurized when colliding with the head that is struck.

Description

Novel compact type household elevator buffer

Technical Field

The utility model belongs to the technical field of the elevator safety apparatus is relevant, concretely relates to novel compact home use elevator buffer.

Background

Buffers are important safety components of elevator installations for protection in the event of a risk of falling or roof impact of the elevator car. The dampers are classified into two types, i.e., spring type dampers and hydraulic type dampers. The buffer provides the last type of safety protection for the elevator safety device. It is installed in the well pit of elevator, is located the car and is heavy directly below. When the elevator moves upwards or downwards, the control system fails to exceed the bottom layer or the top layer of the terminal landing due to the breakage of a steel wire rope, the traction friction force and the insufficient braking force of a band-type brake, and the buffer plays a role in buffering so as to prevent the elevator car or the counterweight from directly colliding with the bottom layer or the top layer, and protect the safety of passengers and equipment.

The prior compact home elevator buffer technology has the following problems: when an elevator car or a counterweight collides with a buffer, the buffer often collides with a collided head firstly and then is transmitted to a buffer tube by an axis rod, the top of the collided head of the existing buffer is pressed greatly when colliding, so that the collided head is easy to deform, and meanwhile, a bottom plate of the elevator car is also easy to deform seriously due to local pressing when colliding.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel compact home use elevator buffer to solve the great easy deformation of the top pressurized of the buffer head that provides among the above-mentioned background art, elevator car's bottom plate takes place the deformation problem because of local pressurized.

In order to achieve the above object, the utility model provides a following technical scheme: a novel compact type home elevator buffer comprises a buffer tube and an axis rod, wherein the axis rod is arranged inside the upper end of the buffer tube, the lower end of the buffer tube is provided with an oil filling through tube, the oil filling through tube is provided with an oil filling hole with a downward opening, a check valve is arranged inside the buffer tube on the upper side of the oil filling through tube, the upper end of the check valve is connected with a pressure-reducing inner tube, the outer wall of the left circumference of the pressure-reducing inner tube is provided with an oil discharge hole, the outer wall of the uppermost circumference on the left side of the pressure-reducing inner tube is provided with an oil return hole, the interior of the pressure-reducing inner tube is provided with hydraulic oil, the lower end of the pressure-reducing inner tube is internally connected with a pressure-reducing spring, the upper end of the pressure-reducing spring is connected with a piston, the interior of the, the upper end of the oil seal is provided with a dustproof sleeve, the upper end of the axle center rod is provided with a collided head protection tube, the upper end of the collided head protection tube is connected with a slow pressing plate, a rubber pad is arranged on the outer wall of the upper end of the slow pressing plate, a buffer chamber is arranged inside the collided head protection tube, a collided head is arranged inside the lower end of the buffer chamber, a lower rubber ring is arranged outside the circumference of the lower end of the collided head, a compression protection spring is connected to the outer wall of the circumference of the upper end of the lower rubber ring, an upper rubber ring is connected to the upper end of the compression protection spring, and a groove is formed in the inner.

Preferably, the upper end of the shaft core rod vertically penetrates through the collided head protection tube and is connected with the collided head inside the lower end of the buffer chamber, and the lower end of the shaft core rod vertically penetrates through the buffer tube and is connected with the piston inside the upper end of the pressure-relieving inner tube.

Preferably, the upper end of the compression protection spring surrounds the circumference of the groove, and the lower end of the compression protection spring surrounds the circumference of the collided head.

Preferably, the diameter of the circumference of the bottom of the upper end of the groove is equal to the diameter of the circumference of the outer wall of the upper end of the collided head, and the diameter of the circumference of the inner wall of the lower end of the groove is equal to the diameter of the circumference of the outer wall of the lower end of the collided head.

Preferably, glue is coated between the slow pressing plate and the circumferential inner wall of the rubber pad, and the circle centers of the slow pressing plate and the rubber pad are vertically aligned.

Preferably, the protection pipe of the head of the crash and the pressure relief plate are kept perpendicular to each other.

Compared with the prior art of compact home elevator buffer, the utility model provides a novel compact home elevator buffer possesses following beneficial effect:

1. the utility model discloses a set up a protection tube of head that is hit outside the head that is hit, the upper end of protection tube of head that is hit is connected with the pressure-reducing plate, the head that is hit inside passing the protection tube of head that is hit and the surge chamber lower extreme is connected in the upper end of axle center pole, set up down the rubber ring outside the lower extreme circumference of head that is hit, the upper end of lower rubber ring is connected with compression protection spring, the upper end of compression protection spring is connected with last rubber ring, the lower extreme of last rubber ring has set up the recess corresponding with the head that is hit, when the head that is hit slides upwards along the circumference inner wall of surge chamber, the upper end of head that is hit can insert the recess on last rubber ring, change the local pressurized of head that is hit into whole pressurized, thereby can effectively prevent the deformation that the head that is hit because of local pressurized too big;

2. the utility model discloses when striking with elevator car, elevator car earlier with slow clamp plate contact, downwards vertical press slow clamp plate, the head that is hit that forces axle center pole upper end to connect extrudees the compression protection spring upwards along the circumference inner wall of cushion chamber, slide to cushion chamber upper end bottom and block when in the recess when being hit the head, the falling pressure passes to in the buffer tube by the axle center pole, and fall the pressure by the hydraulic cushion in the buffer tube, can alleviate the collision pressure of the head that is hit inside the head protection tube, protect passenger and equipment's safety, because the upper end of slow clamp plate has set up the rubber pad, the rubber pad can play and reduce the buffer and at the collision noise when colliding with elevator car, can effectively prevent elevator car and the deformation that leads to elevator car bottom plate because of local pressurized when being hit the head collision simultaneously.

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 structural view of a novel compact home elevator buffer provided by the present invention;

fig. 2 is a schematic view of the internal structure of a novel compact home elevator buffer provided by the present invention;

fig. 3 is a schematic view of the inner structure of the protection tube for the head of the utility model;

in the figure: 1. oil filling through pipes; 2. a buffer tube; 3. a dust-proof sleeve; 4. a spindle rod; 5. a protection tube for the head to be struck; 6. slowly pressing the plate; 7. a rubber pad; 8. an oil filler hole; 9. a check valve; 10. an oil drain hole; 11. an oil return hole; 12. pressure storage cotton; 13. oil sealing; 14. a bearing; 15. a piston; 16. slowly pressing the inner pipe; 17. a pressure relief spring; 18. hydraulic oil; 19. a groove; 20. compressing the protection spring; 21. a rubber ring is arranged; 22. a collided head; 23. a buffer chamber; 24. and (6) gluing a rubber ring.

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. 1-3, the present invention provides a technical solution: a novel compact type home elevator buffer comprises a buffer tube 2 and an axis rod 4, wherein the axis rod 4 is arranged inside the upper end of the buffer tube 2, the lower end of the buffer tube 2 is provided with an oil filling through tube 1, the oil filling through tube 1 is provided with an oil filling hole 8 with a downward opening, a check valve 9 is arranged inside the buffer tube 2 on the upper side of the oil filling through tube 1, the upper end of the check valve 9 is connected with a pressure-relieving inner tube 16, the outer wall of the left circumference of the pressure-relieving inner tube 16 is provided with an oil discharge hole 10, the outer wall of the left uppermost circumference of the pressure-relieving inner tube 16 is provided with an oil return hole 11, the inside of the pressure-relieving inner tube 16 is provided with hydraulic oil 18, the lower end of the pressure-relieving inner tube 16 is internally connected with a pressure-relieving spring 17, the upper end of the pressure-relieving spring 17 is connected with a piston 15, the upper end of an oil seal 13 is provided with a dustproof sleeve 3, the upper end of an axle center rod 4 is provided with a collided head protection tube 5, the upper end of the collided head protection tube 5 is connected with a slow pressing plate 6, the collided head protection tube 5 and the slow pressing plate 6 are kept in a mutually vertical state, the condition that the pressure direction of the collided head protection tube 5 is vertical downwards when an elevator car collides with a buffer is ensured, so that the axle center rod 4 can completely transmit the collision pressure to a buffer tube 2, the buffer is prevented from being damaged and cannot be used due to the fact that the pressure direction of the buffer is inconsistent with the direction of the axle center rod 4, the outer wall of the upper end of the slow pressing plate 6 is provided with a rubber pad 7, glue is coated between the slow pressing plate 6 and the circumferential inner wall of the rubber pad 7, the circle centers of the slow pressing plate 6 and the rubber pad 7 are vertically arranged on a straight line, the slow pressing plate 6 and the rubber pad 7 are horizontally arranged at the, meanwhile, the deformation of the bottom plate of the elevator car caused by local compression when the elevator car collides with the collided head protection tube 5 can be effectively prevented.

A novel compact home elevator buffer comprises a buffer chamber 23 arranged inside a head protection tube 5, a head 22 arranged inside the lower end of the buffer chamber 23, an upper end of an axis rod 4 vertically passing through the head protection tube 5 and connected with the head 22 inside the lower end of the buffer chamber 23, a lower end of the axis rod 4 vertically passing through a buffer tube 2 and connected with a piston 15 inside the upper end of a pressure-reducing inner tube 16, when a control system fails and exceeds the bottom layer or the top layer of a terminal landing, an elevator car contacts with a pressure-reducing plate 6 on the upper end of the head protection tube 5 before the axis rod 4 transmits to the buffer tube 2, the pressure is buffered by hydraulic pressure in the buffer tube 2, the collision pressure of the head 22 inside the head protection tube 5 can be relieved, passengers and equipment are protected, a lower rubber ring 21 is arranged outside the lower end circumference of the head 22, a compression protection spring 20 is connected on the outer wall of the upper end circumference of the lower rubber ring 21, an upper rubber ring 24 is attached to the upper end of the compression guard spring 20.

A novel compact home elevator buffer comprises a groove 19 arranged in an upper rubber ring 24, the upper end of a compression protection spring 20 surrounds the circumference outside of the groove 19, the lower end of the compression protection spring 20 surrounds the circumference outside of a collided head 22, so that the collided head 22 in a collided head protection tube 5 can slide up and down along the circumference inner wall of a buffer chamber 23, the collision pressure of the collided head 22 can be relieved under the action of the compression protection spring 20, a certain protection effect is achieved, the circumference diameter of the bottom of the upper end of the groove 19 is equal to the circumference diameter of the outer wall of the upper end of the collided head 22, the circumference inner wall diameter of the lower end of the groove 19 is equal to the diameter of the circumference outer wall of the lower end of the collided head 22, when the collided head 22 slides upwards along the circumference inner wall of the buffer chamber 23, the upper end of the collided head 22 can be inserted into the groove 19 on the upper rubber ring, by changing the partial pressure of the head 22 to the total pressure, the deformation of the head 22 due to the partial pressure being excessively large can be effectively prevented.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when a car or a counterweight impact buffer, the piston 15 moves downwards to compress the hydraulic oil 18 in the pressure-reducing inner pipe 16, the kinetic energy of the elevator is transmitted to the hydraulic oil 18, the hydraulic oil 18 is sprayed into the inner cavity of the upper side of the piston 15 through the oil discharge hole 10 and the oil return hole 11, when the hydraulic oil 18 passes through the oil return hole 11, the flow area is suddenly reduced to form vortex, particles in the liquid of the hydraulic oil 18 collide with each other and generate heat to consume the impact kinetic energy of the elevator through friction, thereby ensuring the safe and reliable deceleration stop of the elevator, when the elevator car impacts the buffer, the hydraulic oil is firstly contacted with the pressure-reducing plate 6 to vertically press the pressure-reducing plate 6 downwards, the impact head 22 connected with the upper end of the axle rod 4 is forced to extrude the compression protection spring 20 to slide upwards along the circumferential inner wall of the buffer chamber 23, when the impact head 22 slides to the upper end bottom of the buffer chamber 23 and is clamped in, the dropping pressure is transmitted to the buffer tube 2 by the shaft center rod 4, and the pressure is buffered by the hydraulic pressure in the buffer tube 2, so that the collision pressure of the head 22 inside the head protection tube 5 can be relieved, and the safety of passengers and equipment can be protected.

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 compact home use elevator buffer, includes buffer tube (2) and axle center pole (4), its characterized in that: the utility model discloses an axle core rod (4) is installed inside the upper end of buffer tube (2), the lower extreme of buffer tube (2) is provided with oiling siphunculus (1), be provided with on oiling siphunculus (1) decurrent oil filler point (8) of opening, inside buffer tube (2) of oiling siphunculus (1) upside is provided with check valve (9), check valve (9) upper end is connected with slowly presses inner tube (16), be provided with oil drain hole (10) on the left side circumference outer wall of slowly pressing inner tube (16), be provided with oil return hole (11) on the left side top circumference outer wall of slowly pressing inner tube (16), the inside of slowly pressing inner tube (16) is provided with hydraulic oil (18), the lower extreme internal connection of slowly pressing inner tube (16) has slowly presses spring (17), the upper end of slowly pressing spring (17) is connected with piston (15), the upper end inside of buffer tube (2) is provided with pressure storage, the upper end of the pressure accumulating cotton (12) is provided with a bearing (14), an oil seal (13) is arranged inside a buffer tube (2) on the upper side of the bearing (14), a dustproof sleeve (3) is arranged on the upper end of the oil seal (13), a collided head protection tube (5) is arranged on the upper end of a shaft core rod (4), a buffer plate (6) is connected to the upper end of the collided head protection tube (5), a rubber pad (7) is arranged on the outer wall of the upper end of the buffer plate (6), a buffer chamber (23) is arranged inside the collided head protection tube (5), a collided head (22) is arranged inside the lower end of the buffer chamber (23), a lower rubber ring (21) is arranged outside the circumference of the lower end of the collided head (22), a compression protection spring (20) is connected to the outer wall of the circumference of the upper end of the lower rubber ring (21), and an upper rubber ring (24, and a groove (19) is arranged inside the upper rubber ring (24).

2. The new compact home elevator buffer of claim 1, wherein: the upper end of the shaft core rod (4) vertically penetrates through the collision head protection tube (5) and is connected with a collision head (22) inside the lower end of the buffer chamber (23), and the lower end of the shaft core rod (4) vertically penetrates through the buffer tube (2) and is connected with a piston (15) inside the upper end of the pressure-relieving inner tube (16).

3. The new compact home elevator buffer of claim 1, wherein: the upper end of the compression protection spring (20) surrounds the circumference outside the groove (19), and the lower end of the compression protection spring (20) surrounds the circumference outside the collided head (22).

4. The new compact home elevator buffer of claim 1, wherein: the diameter of the circle at the bottom of the upper end of the groove (19) is equal to the diameter of the circle on the outer wall of the upper end of the collided head (22), and the diameter of the inner wall of the circumference of the lower end of the groove (19) is equal to the diameter of the outer wall of the circumference of the lower end of the collided head (22).

5. The new compact home elevator buffer of claim 1, wherein: glue is coated between the slow pressing plate (6) and the circumferential inner wall of the rubber pad (7), and the circle centers of the slow pressing plate (6) and the rubber pad (7) are vertically arranged on the same straight line.

6. The new compact home elevator buffer of claim 1, wherein: the protection pipe (5) of the collided head and the pressure relief plate (6) are mutually vertical.