CN112555352A

CN112555352A - Lubricating structure for chain connecting mechanism

Info

Publication number: CN112555352A
Application number: CN202011209689.0A
Authority: CN
Inventors: 张逸成
Original assignee: Wuxi Mancheng Chain Transmission Manufacturing Co ltd
Current assignee: Wuxi Mancheng Chain Transmission Manufacturing Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-03-26

Abstract

The invention relates to the technical field of chain correlation, and discloses a lubricating structure for a chain connecting mechanism, which comprises outer chain plates and inner chain plates, wherein the two inner chain plates are positioned between the two corresponding outer chain plates, the outer chain plates and the corresponding inner chain plates are respectively provided with hinge holes which are mutually communicated, hollow pin shafts are movably penetrated through the outer chain plates and the inner chain plates through the corresponding hinge holes, part of the hollow pin shafts between the inner chain plates is movably inserted with shaft sleeves, the annular inner side walls of the shaft sleeves are provided with annular accommodating grooves, the inner sides of the annular accommodating grooves are filled with oil absorption cotton, the annular side surfaces of the hollow pin shafts are provided with overflow holes, one ends of the hollow pin shafts are closed ends, and the other ends of the hollow pin shafts are open ends. This a lubricating structure for chain coupling mechanism, the oil absorption cotton is accomodate the inslot in the annular and is corresponded sealed storage environment in and can be the oil storage of long time to make the longer lubrication of chain coupling mechanism, prolong chain mechanism's lubricated maintenance cycle.

Description

Lubricating structure for chain connecting mechanism

Technical Field

The invention relates to the technical field of chains, in particular to a lubricating structure for a chain connecting mechanism.

Background

The chain, generally a metal chain ring or a ring, is mainly used for mechanical transmission and traction, and refers to a mechanism which plays a transmission role in mechanical equipment, a connection part stored in one machine is formed into a compact whole, the key part is used for improving mechanical performance, lubricating oil is generally smeared when the chain is assembled with the equipment for use, so that a hinge structure of the chain is lubricated, and the friction resistance of running driving of the equipment is reduced, but the lubricating oil on the chain is generally smeared regularly and lubricated and needs frequent maintenance to ensure the stability of chain transmission, so that an inventor designs a lubricating structure for a chain connecting mechanism, the chain structure is lubricated by oil storage, and the lubricating maintenance period of the chain structure is prolonged.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a lubricating structure for a chain connecting mechanism, which solves the problem that the chain connecting mechanism needs frequent lubrication to ensure the stable matching of the chain structure.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a lubricating structure for chain coupling mechanism, including outer link joint and inner link joint, two the inner link joint is located between two corresponding outer link joints, the hinge hole of mutual intercommunication is all seted up to outer link joint and corresponding inner link joint, outer link joint and inner link joint have run through hollow pin axle through corresponding hinge hole activity, hollow pin axle has the axle sleeve at the activity interlude of part between being located the inner link joint, the annular inside wall of axle sleeve has been seted up the annular and has been accomodate the groove, the inboard packing that the groove was accomodate to the annular has the oil absorption cotton, the overflow hole has been seted up to hollow pin axle's annular side face, hollow pin axle's one end is the blind end, hollow pin axle's the other end is the open end, sealing.

Preferably, the two ends of the hollow pin shaft are both inner sides with outer diameters larger than the hinge holes, and the matching relationship between the hollow pin shaft and the inner side wall of the cross-connecting hole is transition fit, so that the hollow pin shaft can stably connect the outer chain plate and the inner chain plate.

Preferably, the fit relation between the inner side wall of the shaft sleeve and the hollow pin shaft is transition fit, and a mounting gap exists between the shaft sleeve and the corresponding inner chain plate, so that lubricating oil in the bearing can be subjected to penetration lubrication through the fit gap between the structures of the lubricating oil.

Preferably, the overflow holes are communicated with the inner sides of the corresponding annular accommodating grooves, so that lubricating oil in the hollow pin shaft can be guided into the annular accommodating grooves for storage.

Preferably, the oil absorption cotton is elastic oil absorption cotton, the oil absorption cotton is in contact with the annular side wall of the hollow pin shaft, and the oil absorption cotton is used for storing lubricating oil in a penetrating mode.

Preferably, the sealing plug head is a rubber plug head, so that the sealing performance of the opening end of the hollow pin shaft is guaranteed.

(III) advantageous effects

The invention provides a lubricating structure for a chain connecting mechanism. The method has the following beneficial effects:

this a lubricating structure for chain coupling mechanism, carry out the oil storage through set up the axle sleeve on hollow pin, pour into lubricating oil into to its inboard through hollow pin epaxial open end, and accomodate the inslot side through the annular of the leading-in axle sleeve of overflow hole, make lubricating oil can be stored, the cotton setting of oil absorption simultaneously, make in lubricating oil infiltration oil absorption cotton, the oil storage that can the longer time in the corresponding sealed storage environment of inslot is accomodate to the oil absorption cotton in the annular, thereby make the longer lubrication of chain coupling mechanism, the lubricated maintenance cycle of extension chain mechanism.

Drawings

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

fig. 2 is an enlarged schematic view of a structure in fig. 1.

In the figure: the oil absorption device comprises an outer chain plate 1, an inner chain plate 2, a hinge hole 3, a hollow pin shaft 4, a shaft sleeve 5, an annular accommodating groove 6, an overflow hole 7, oil absorption cotton 8 and a sealing plug 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the present invention provides a technical solution: a lubricating structure for a chain connecting mechanism comprises outer chain plates 1 and inner chain plates 2, wherein the two inner chain plates 2 are positioned between the two corresponding outer chain plates 1, the outer chain plates 1 and the corresponding inner chain plates 2 are respectively provided with hinge holes 3 which are communicated with each other, the outer chain plates 1 and the inner chain plates 2 are movably penetrated through by hollow pin shafts 4 through the corresponding hinge holes 3, the parts of the hollow pin shafts 4 positioned between the inner chain plates 2 are movably penetrated and inserted with shaft sleeves 5, the annular inner side walls of the shaft sleeves 5 are provided with annular accommodating grooves 6, the inner sides of the annular accommodating grooves 6 are filled with oil absorption cotton 8, the annular side surfaces of the hollow pin shafts 4 are provided with overflow holes 7, one ends of the hollow pin shafts 4 are closed ends, the other ends of the hollow pin shafts 4 are open ends, sealing plugs 9 are installed at the open ends of the hollow pin shafts 4, the two ends of the hollow pin shafts 4 are the inner sides of which are both larger than the outer diameters of, make hollow pin axle 4 can be with outer link joint 1 and the stable connection of inner link joint 2, the cooperation relation between 5 inside walls of axle sleeve and the hollow pin axle 4 is transition fit, there is installation clearance between axle sleeve 5 and the corresponding inner link joint 2, make the lubricating oil in the bearing 5 can permeate the lubrication through the cooperation clearance between its structure, overflow hole 7 is linked together with the inboard of corresponding annular storage groove 6, make the lubricating oil in the hollow pin axle 4 can leading-in annular storage groove 6 in save, oil absorption cotton 8 adopts elastic oil absorption cotton, oil absorption cotton 8 contacts with the annular lateral wall of hollow pin axle 4, oil absorption cotton 8 permeates the storage lubricating oil, sealing plug 9 adopts the rubber chock plug, guarantee the leakproofness of hollow pin axle 4 open end.

In conclusion, lubricating oil is injected into the inner side of the hollow pin shaft 4 through the opening end of the hollow pin shaft and is guided into the inner side of the annular accommodating groove 6 of the shaft sleeve 5 through the overflow hole 7, so that the lubricating oil is stored, meanwhile, the oil absorption cotton 8 is arranged, so that the lubricating oil permeates into the oil absorption cotton 8, and the oil absorption cotton 8 can store the oil for a long time in a correspondingly sealed storage environment in the annular accommodating groove 6.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 lubricating structure for chain coupling mechanism, includes outer link plate and inner link plate, its characterized in that: two the inner chain board is located between two corresponding outer chain boards, the hinge hole of mutual intercommunication is all seted up to outer chain board and corresponding inner chain board, outer chain board and inner chain board have run through hollow pin axle through corresponding hinge hole activity, hollow pin axle is located partial activity interlude between the inner chain board and has been had the axle sleeve, the annular inside wall of axle sleeve has been seted up the annular and has been accomodate the groove, the inboard packing that the groove was accomodate to the annular has the oil absorption cotton, the overflow hole has been seted up to hollow pin axle's annular side face, hollow pin axle's one end is the blind end, hollow pin axle's the other end is the open end, the sealing plug is installed.

2. A lubricating structure for a chain connecting mechanism according to claim 1, wherein: the outer diameters of the two ends of the hollow pin shaft are both larger than the inner sides of the hinge holes, and the matching relation between the hollow pin shaft and the inner side walls of the connecting holes is transition matching.

3. A lubricating structure for a chain connecting mechanism according to claim 1, wherein: the fit relation between the inner side wall of the shaft sleeve and the hollow pin shaft is transition fit, and a mounting gap exists between the shaft sleeve and the corresponding inner chain plate.

4. A lubricating structure for a chain connecting mechanism according to claim 1, wherein: the overflow holes are communicated with the inner sides of the corresponding annular accommodating grooves.

5. A lubricating structure for a chain connecting mechanism according to claim 1, wherein: the oil absorption cotton is elastic and is in contact with the annular side wall of the hollow pin shaft.

6. A lubricating structure for a chain connecting mechanism according to claim 1, wherein: the sealing plug head is a rubber plug head.