CN212475693U - Novel elevator car buffer - Google Patents

Abstract

The utility model discloses a novel elevator car buffer, which comprises a fixed cylinder base, wherein the fixed cylinder is arranged on the outer wall of the upper end of the base, a buffer cylinder which extends upwards is arranged inside the outer wall of the upper end of the fixed cylinder, if the downward impact force of an elevator car is larger, the elevator car can be impacted on a head, the buffer is an oil pressure buffer, when the oil pressure buffer is impacted by the car and a counterweight, an axle center moves downwards, when the car or the counterweight leaves the buffer, the axle center resets upwards under the effect of a damping spring, and simultaneously, the air weight returns to an air groove, the buffer is protected by the fixed cylinder and the buffer cylinder, thereby avoiding dust entering the buffer to influence the working effect of the buffer, simultaneously, the buffer cylinder also has a certain buffer effect on the elevator car, the buffer cylinder can also absorb impact energy by lifting in the air groove by itself, and effectively ensures the buffer performance of the buffer, the service life of the buffer is prolonged, and the buffer has good practicability.

Description

Novel elevator car buffer

Technical Field

The utility model belongs to the technical field of the buffer is relevant, concretely relates to novel elevator car buffer.

Background

Buffers have different meanings in different fields, and in the computer field, a buffer refers to a buffer register which is divided into an input buffer and an output buffer. The buffer is connected to data bus, so that it must have tri-state output function, in other fields, it also has elevator buffer and car spring buffer, etc. it is aimed at reducing speed and raising safety and comfort, and the car elevator buffer is used as important safety component of car elevator equipment, mainly used for reducing running speed of elevator car or counterweight, and can prevent the car from falling or bumping against ground or top of well, and can reduce or prevent damage.

The existing elevator car buffer technology has the following problems: because the collision head of the technical car elevator buffer is small, when the elevator is abnormal, the buffer is easy to topple due to uneven stress of the buffer because the contact surface of the collision head is small, and the buffer is ineffective. In addition, the shaft core of the buffer is exposed outside, and the shaft core is provided with oil stains, is easy to be stained with dust, and can also cause the failure of the buffer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel elevator car buffer to there is the atress inequality or the problem that easily is stained with the dust and leads to becoming invalid in the current car elevator buffer that provides in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel elevator car buffer, includes the solid fixed cylinder base, the solid fixed cylinder is installed on base upper end outer wall, the inside buffer cylinder that upwards stretches out that is provided with of solid fixed cylinder upper end outer wall, be provided with the buffer head on the buffer cylinder upper end outer wall, the buffer head upper end is provided with the blotter, be provided with the foundation on the inside base of solid fixed cylinder, the inside axle core that upwards stretches out that is provided with of foundation upper end outer wall, damping spring has been cup jointed to the axle core outside, be provided with the fixed head on the axle core upper end outer wall, be provided with on the fixed head upper end outer wall and hit the head, the inside spout that is provided with of solid fixed cylinder upper end outer wall, the inside gas tank that is provided with of spout lower extreme inner wall, the inside of gas tank is provided with the slider, the inside gas pocket that.

Preferably, the inner part of the outer wall of the upper end of the base is provided with an installation screw hole, and the outer wall of the circumference of the lower end of the fixed cylinder is provided with an external thread.

Preferably, the buffer pad is made of circular rubber, and the diameters of the buffer pad and the buffer head are the same.

Preferably, the sliding block is arranged on the outer wall of the lower end of the buffer cylinder and is made of annular rubber.

Preferably, gas is arranged in a gas groove right below the sliding block, and an oil seal is arranged inside the sliding groove.

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

the utility model discloses car elevator buffer passes through a fixed cylinder, a buffer cylinder and a buffering punch, increases the area of contact at the top of the buffer, avoids the pollution of dust to the axle center, need install the hose on the connecting pipe before using, and install the device similar to the cylinder at the other end of the hose, when elevator car contacts the cushion, first cushion pad and buffering punch press down, so the buffer head drives the buffer cylinder and presses down, simultaneously the slider also can move down in the gas tank, so can gas press back to the connecting pipe through the gas pocket, add in the cylinder at last, if elevator car downward impact force is great, will bump on the head of being hit, the buffer is the hydraulic buffer, when the hydraulic buffer receives car and impact to heavy, the axle center moves down, when the car or when heavily leaving the buffer, the axle center resets upwards under the effect of damping spring, oil flows back to the hydro-cylinder from the head, recovered normal situation, simultaneously the gas weight returns and takes the air pocket, protect the buffer through a solid fixed cylinder and a buffer cylinder, avoided the dust to enter into in the buffer, influence the working effect of buffer, also have certain cushioning effect to elevator car simultaneously, this buffer cylinder still can absorb the impact energy through self-going up and down in the air pocket, the effectual cushioning performance who guarantees the buffer has prolonged the life of buffer, has good practicality.

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 view of a novel elevator car buffer in a three-dimensional structure according to the present invention;

fig. 2 is a schematic view of a three-dimensional structure of an elevator car buffer provided by the present invention;

fig. 3 is a schematic view of the parsing structure of the buffer of the elevator car according to the present invention;

in the figure: 1. a cushion pad; 2. a buffer cylinder; 3. a fixed cylinder; 4. a base; 5. a buffer head; 6. a connecting pipe; 7. a collided head; 8. a shaft core; 9. mounting a screw hole; 10. a fixed head; 11. a damping spring; 12. a bottom pillar; 13. a slider; 14. air holes; 15. a chute; 16. and (4) an air tank.

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: the utility model provides a novel elevator car buffer, including 3 bases 4 of a fixed section of thick bamboo, a fixed section of thick bamboo 3 is installed on 4 upper end outer walls of base, the inside buffer tube 2 that upwards stretches out that is provided with of 3 upper end outer walls of a fixed section of thick bamboo, be provided with buffer head 5 on 2 upper end outer walls of buffer tube, the buffer head 5 upper end is provided with blotter 1, be provided with foundation 12 on the inside base 4 of a fixed section of thick bamboo 3, the inside axle core 8 that upwards stretches out that is provided with of 12 upper end outer walls of foundation, damping spring 11 has been cup jointed to 8 outsides of axle core, be provided with fixed head 10 on 8 upper end outer walls of axle core, be provided with on 10 upper end outer walls of fixed head and hit head 7, the inside spout 15 that is provided with of 3 upper end outer walls of a fixed section of thick bamboo, the inside gas tank 16 that is provided with of 15 lower extreme inner walls of spout.

A novel elevator car buffer comprises a base 4 of a fixed cylinder 3, an installation screw hole 9 is arranged in the outer wall of the upper end of the base 4, an external thread is arranged on the outer wall of the circumference of the lower end of the fixed cylinder 3, so that the elevator car can be installed in the installation screw hole 9 on the base 4 through the external thread on the outer wall of the fixed cylinder 3, a buffer pad 1 is made of circular rubber, the diameter of the buffer pad 1 is the same as that of a buffer head 5, the elevator car is pressed on the buffer pad 1, the elevator car is prevented from directly impacting on the buffer head 5, the buffer head 5 is prevented from being damaged, a sliding block 13 is arranged on the outer wall of the lower end of a buffer cylinder 2, the sliding block 13 is made of circular rubber, a sliding groove 16 is ensured to have certain sealing performance through the sliding block 13, meanwhile, the fixing effect on the buffer cylinder 2 is achieved, gas is arranged in a, can prop up buffer cylinder 2 through the gas in the gas tank 15 like this, can protect the buffer, avoid being infected with the dust, and further play the cushioning effect to elevator car.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the buffer is installed, the upper bottom column 12 of the buffer is firstly installed on the base 4, then the buffer cylinder 2 is installed, the buffer cylinder 2 can be inserted into the chute 15 on the fixed cylinder 3, then the slider 13 is installed at the lower end of the buffer cylinder 2, then the lower end of the fixed cylinder 3 is sealed, then the buffer head 5 is installed at the upper end of the buffer cylinder 2, then the buffer pad 1 is installed at the upper end of the buffer head 5, then the fixed cylinder 3 can be installed in the installation screw hole 9 on the base 4, so that the buffer is installed inside the fixed cylinder 3, then the base 4 is installed on the inner wall of the lower end of the elevator shaft, the screw hole on the base 4 can be used for fixing by using a nut, finally the hose can be installed on the connecting pipe 6, before the buffer is used, the connecting pipe 6 needs to be inflated by the hose, so that the gas is filled in the gas tank 16, thus, the slide block 13 is lifted by gas, then the slide block 13 drives the buffer tube 2 and the buffer punch 5 to ascend, a device similar to a cylinder is arranged at the other end of the hose, when an elevator car contacts the buffer pad 1, the buffer pad 1 and the buffer punch 5 are firstly pressed downwards, so that the buffer head 5 drives the buffer tube 2 to press downwards, meanwhile, the slide block 13 also moves downwards in the gas groove 16, so that gas can be pressed back to the connecting tube 6 through the gas hole 14 and finally added into the cylinder, if the downward impact force of the elevator car is large, the elevator car can impact the impact head 7, the buffer is an oil pressure buffer, when the oil pressure buffer is impacted by the car and a counterweight, the shaft core 8 moves downwards to compress oil in the cylinder body, the oil is sprayed to the plunger cavity through the annular saving hole, when the oil passes through the annular saving hole, the movable sectional area is suddenly reduced, and a vortex can be formed, make the mass point in the liquid each other draw and hit, rub, turn into the heat with kinetic energy and give off, thereby consumed the kinetic energy of elevator, make the car or stop to heavily slowly gradually, the damping effect of liquid activity is utilized to the hydraulic buffer, cushion the car or to heavily strikeing, when the car or when leaving the buffer to heavily, axle core 8 is under damping spring 11's effect, upwards reset, oil flows back to the hydro-cylinder from the beginning, recovered normal condition, simultaneously the gas weight returns in the band-pass gas groove 16, protect the buffer through fixed cylinder 3 and buffer cylinder 2, avoided the dust to enter into the buffer, influence the working effect of buffer, also have certain cushioning effect to the elevator car simultaneously.

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 (5)

1. The utility model provides a novel elevator car buffer, includes a fixed section of thick bamboo (3) base (4), its characterized in that: the fixing device is characterized in that the fixing cylinder (3) is installed on the outer wall of the upper end of the base (4), the buffer cylinder (2) extending upwards is arranged inside the outer wall of the upper end of the fixing cylinder (3), the buffer head (5) is arranged on the outer wall of the upper end of the buffer cylinder (2), the buffer pad (1) is arranged at the upper end of the buffer head (5), the base (4) inside the fixing cylinder (3) is provided with a bottom pillar (12), the shaft core (8) extending upwards is arranged inside the outer wall of the upper end of the bottom pillar (12), the outer part of the shaft core (8) is sleeved with a damping spring (11), the outer wall of the upper end of the shaft core (8) is provided with a fixing head (10), the outer wall of the upper end of the fixing head (10) is provided with a collision head (7), the outer wall of the upper end of the fixing cylinder (3), the inner part of the air groove (16) is provided with a sliding block (13), the inner part of the circumferential outer wall of the fixed cylinder (3) is provided with an air hole (14), and the inner part of the air hole (14) is provided with a connecting pipe (6).

2. The novel elevator car buffer of claim 1, wherein: the inner part of the outer wall of the upper end of the base (4) is provided with an installation screw hole (9), and the outer wall of the circumference of the lower end of the fixed cylinder (3) is provided with external threads.

3. The novel elevator car buffer of claim 1, wherein: the buffer pad (1) is made of circular rubber, and the buffer pad (1) and the buffer head (5) are the same in diameter.

4. The novel elevator car buffer of claim 1, wherein: the sliding block (13) is arranged on the outer wall of the lower end of the buffer cylinder (2), and the sliding block (13) is made of annular rubber.

5. The novel elevator car buffer of claim 1, wherein: and gas is arranged in a gas groove (16) right below the sliding block (13), and an oil seal is arranged in the sliding groove (15).

Images