CN210064839U

CN210064839U - Low external step chain of gyro wheel of maintaining

Info

Publication number: CN210064839U
Application number: CN201822001878.3U
Authority: CN
Inventors: 高超
Original assignee: Shanghai Mitsubishi Elevator Co Ltd
Current assignee: Shanghai Mitsubishi Elevator Co Ltd
Priority date: 2018-11-30
Filing date: 2018-11-30
Publication date: 2020-02-14
Anticipated expiration: 2028-11-30

Abstract

The utility model discloses an external step chain of low maintenance gyro wheel, include: the pin roll is sleeved with a sleeve. The inner chain link comprises a pair of inner chain plates; an inner chain plate is respectively sleeved at two ends of the sleeve. The roller is sleeved on the sleeve and is positioned between the two inner chain plates. Comprises a pair of outer chain plates; the pin shaft is sleeved with the two outer chain plates, and the two outer chain plates are positioned on two sides of the sleeve. The utility model discloses an inside lubricating structure of sealed lid and sealing washer protection pin axle prevents volatilizing of lubricating grease and the pollution of foreign matter to lubricating grease, plays the effect of non-maintaining lubricating oil even, prolongs the maintenance cycle of step chain.

Description

Low external step chain of gyro wheel of maintaining

Technical Field

The utility model relates to a technical field of chain drive especially relates to a technical field of external step chain of low maintenance gyro wheel.

Background

At present, the commonly used step chain generally adopts the traditional lubrication modes of manual periodical lubrication, oil pump oil injection lubrication and the like. The traditional lubricating mode has large loss of lubricating oil and is easy to pollute the environment. The unable oiling in conventional non-maintaining step chain later stage probably takes place lubricated harmfully under abominable operating mode and leads to the chain life-span to shorten, must change the chain. The step chain with the oil nozzle needs to be respectively oiled for each pin shaft, and the maintenance workload is large. It follows that various stepchains have their limitations.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the external step chain with the low maintenance idler wheel is provided; the lubricating structure is protected in a sealing way, so that the volatilization of lubricating grease and the pollution of foreign matters to the lubricating grease are prevented, the maintenance period of the step chain can be prolonged, and even the step chain is free of maintenance; meanwhile, lubricating grease can be supplemented through the oil filling nozzle, the service life of the chain is prolonged, and the advantages of two step chains with oil filling nozzles and maintenance-free chains are combined.

In order to achieve the purpose, the technical scheme is as follows:

a low maintenance external step chain of gyro wheel, wherein, includes:

the pin shaft is sleeved with a sleeve;

an inner link including a pair of inner link plates; two ends of the sleeve are respectively sleeved with an inner chain plate;

the roller is sleeved on the sleeve and positioned between the two inner chain plates;

an outer link comprising a pair of outer link plates; the pin shaft is sleeved with the two outer chain plates, and the two outer chain plates are positioned on two sides of the sleeve.

According to the external step chain with the low-maintenance idler wheels, the blind hole is formed in one end of the pin shaft along the axial direction of the pin shaft, and the oil filling nozzle is arranged at the opening of the blind hole.

The low-maintenance roller external step chain comprises a pin shaft, a first shaft part, a second shaft part, a third shaft part, a fourth shaft part and a fifth shaft part, wherein the pin shaft is sequentially formed from left to right; the second shaft part is sleeved with a bearing, and a roller is sleeved outside the bearing; the end face of the fifth shaft part, which faces away from the fourth shaft part, is provided with the oil filling nozzle.

The step chain with the low maintenance idler wheels arranged externally is characterized in that the sleeve is sleeved on the fourth shaft part; the third shaft part and the fifth shaft part are respectively sleeved with the outer chain plate.

The external step chain with the low-maintenance idler wheel is characterized in that a plurality of first openings are formed in the outer side face of the pin shaft and penetrate through the blind holes; the first holes are perpendicular to the blind holes, and the first holes are in the radial direction of the pin shaft in different directions.

In the external step chain with the low maintenance idler wheel, grooves are formed in the outer surface of the fourth shaft portion, and each groove is connected to one first opening; and the groove is perpendicular to the first opening connected with the groove; the sleeve is provided with a through hole in the radial direction, and the through hole is perpendicular to the first opening.

The external step chain of above-mentioned low maintenance gyro wheel, wherein, includes: and each sealing cover is arranged between the inner chain plate and the outer chain plate on the same side.

The external step chain of above-mentioned low maintenance gyro wheel, wherein, includes: the two sealing rings are sleeved on the sleeve; the two sealing rings are positioned between the sleeve and the roller, and the two sealing rings are positioned on two sides of the roller.

Compared with the prior art, the technology has the positive effects that:

the utility model discloses an inside lubricating structure (a plurality of first trompils and blind hole and telescopic perforating hole) of sealed lid and sealing washer protection pin axle prevents volatilizing of lubricating grease and the pollution of foreign matter to lubricating grease, plays the effect of non-maintaining lubricating oil even, prolongs the maintenance cycle of step chain.

The utility model discloses a round pin axle is provided with blind hole and first trompil, and the perforating hole that the sleeve set up consequently can also supply lubricating grease through opening the fuel filler neck, deals with complicated operating mode, increases chain life.

Drawings

Fig. 1 is a schematic view of an external step chain with low maintenance rollers according to the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a sectional view of B-B of fig. 1.

In the drawings:

10. a roller; 1. an outer link plate; 2. an inner link plate; 3. a roller; 4. a sleeve; 41. a groove; 42. a through hole; 5. a pin shaft; 501. blind holes; 502. a first opening; 51. a first shaft portion; 52. a second shaft portion; 53. a third shaft portion; 54. a fourth shaft portion; 55. a fifth shaft portion; 6. a fuel filler nozzle; 7. a sealing cover; 8. and (5) sealing rings.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Fig. 1 is a schematic view of an external step chain with low maintenance rollers according to the present invention; FIG. 2 is a cross-sectional view A-A of FIG. 1; fig. 3 is a sectional view of B-B of fig. 1.

Referring to fig. 1-3, in a preferred embodiment, a low maintenance roller outboard step chain is shown, comprising:

the pin shaft 5 and the pin shaft 5 are sleeved with the sleeve 4.

An inner link including a pair of inner link plates 2; two ends of the sleeve 4 are respectively sleeved with an inner chain plate 2.

The roller 3, roller 3 cover is located sleeve 4, and roller 3 is located between two inner link plates 2.

An outer link including a pair of outer link plates 1; the pin shaft 5 is sleeved with the two outer chain plates 1, and the two outer chain plates 1 are positioned at two sides of the sleeve 4.

The above description is only an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.

Further, in a preferred embodiment, one end of the pin 5 is provided with a blind hole 501 along the axial direction thereof, and an opening of the blind hole 501 is provided with an oil filling nozzle 6.

Further, in a preferred embodiment, the pin 5 is composed of a first shaft 51, a second shaft 52, a third shaft 53, a fourth shaft 54 and a fifth shaft 55 from left to right; the second shaft part 52 is sleeved with a bearing 521, and the roller 10 is sleeved outside the bearing 521; the end surface of the fifth shaft portion 55 facing away from the fourth shaft portion 54 is provided with the fuel filler 6.

Further, in a preferred embodiment, the fourth shaft portion 54 is sleeved with the sleeve 4; the third shaft part 53 and the fifth shaft part 55 are respectively sleeved with an outer chain plate 1.

Further, in a preferred embodiment, a plurality of first openings 502 are disposed on the outer side surface of the pin 5, and the plurality of first openings 502 penetrate through the blind hole 501; the first holes 502 are perpendicular to the blind hole 501, and the first holes 502 are radial to the pin 5 in different directions. Specifically, the first openings 502 are used for storing and flowing grease.

Further, in a preferred embodiment, the fourth shaft portion 54 is provided with grooves 41 at the outer surface thereof, and each groove 41 is connected to a first opening 502; and the groove 41 is perpendicular to the first opening 502 connected thereto; the sleeve 4 is provided with a through hole 42 in the radial direction, and the through hole 42 is perpendicular to the first opening 502.

Further, in a preferred embodiment, the method comprises the following steps: two sealing covers 7, each sealing cover 7 is arranged between the inner chain plate 2 and the outer chain plate 1 on the same side.

Specifically, the sealing cover 7 is in interference fit with the outer chain plate 1 and the inner chain plate 2 in the axial direction, and the sealing cover 7 is in clearance fit with the pin shaft 5 in the radial direction.

Further, in a preferred embodiment, the method comprises the following steps: the two sealing rings 8 are sleeved on the sleeve 4; two sealing rings 8 are located between the sleeve 4 and the roller 3 and two sealing rings 8 are located on either side of the roller 3.

Specifically, grooves are formed in two ends of the interior of the roller 3 and used for mounting a sealing ring 8; the sealing ring 8 is in interference fit with the sleeve 4 and the roller 4 in the radial direction; the sealing ring 8 seals lubricating grease between the sleeve 4 and the roller 3, the sealing cover 8 seals lubricating grease between the pin shaft 5 and the sleeve 4, and the whole lubricating structure forms sealing, prevents the lubricating grease from overflowing and is dustproof, so that less lubrication and even no lubrication can be achieved. Under severe working conditions, lubricating grease can be supplemented through the oil filling nozzle 6, and the service life of the step chain is prolonged

The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims

1. The utility model provides an external step chain of low maintenance gyro wheel which characterized in that includes:

the pin shaft is sleeved with a sleeve;

2. The externally-arranged step chain with the low maintenance rollers as claimed in claim 1, wherein one end of the pin shaft is provided with a blind hole along the axial direction of the pin shaft, and an opening of the blind hole is provided with an oil filling nozzle.

3. The externally-arranged step chain with low maintenance rollers as claimed in claim 2, wherein the pin shaft is composed of a first shaft part, a second shaft part, a third shaft part, a fourth shaft part and a fifth shaft part in sequence from left to right; the second shaft part is sleeved with a bearing, and a roller is sleeved outside the bearing; the end face of the fifth shaft part, which faces away from the fourth shaft part, is provided with the oil filling nozzle.

4. The low maintenance roller outboard step chain of claim 3, wherein said fourth shaft portion is sleeved with said bushing; the third shaft part and the fifth shaft part are respectively sleeved with the outer chain plate.

5. The externally-arranged step chain with low maintenance rollers as claimed in claim 3, wherein a plurality of first openings are formed on the outer side surface of the pin shaft, and the first openings penetrate through the blind holes; the first holes are perpendicular to the blind holes, and the first holes are in the radial direction of the pin shaft in different directions.

6. The low maintenance roller outboard step chain of claim 5, wherein said fourth axle portion outer surface is provided with grooves, each of said grooves being connected to one of said first openings; and the groove is perpendicular to the first opening connected with the groove; the sleeve is provided with a through hole in the radial direction, and the through hole is perpendicular to the first opening.

7. The low maintenance externally mounted step chain of rollers as claimed in claim 1, comprising: and each sealing cover is arranged between the inner chain plate and the outer chain plate on the same side.

8. The low maintenance externally mounted step chain of rollers as claimed in claim 1, comprising: the two sealing rings are sleeved on the sleeve; the two sealing rings are positioned between the sleeve and the roller, and the two sealing rings are positioned on two sides of the roller.