CN106369108B - The pin shaft of chain - Google Patents
The pin shaft of chain Download PDFInfo
- Publication number
- CN106369108B CN106369108B CN201510433422.2A CN201510433422A CN106369108B CN 106369108 B CN106369108 B CN 106369108B CN 201510433422 A CN201510433422 A CN 201510433422A CN 106369108 B CN106369108 B CN 106369108B
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- China
- Prior art keywords
- chain
- shaft body
- pin shaft
- lubricant
- groove
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- Gears, Cams (AREA)
Abstract
A kind of pin shaft of chain has the shaft body and a lubricant layer for being coated in shaft body periphery and having solid lubricant of several grooves including a brace.The present invention by above-mentioned design, can really promote lubricant effect.
Description
Technical field
The present invention relates to a kind of chains, more particularly to a kind of pin shaft of chain.
Background technique
General chain in design, is usually concatenated into loop shaped by several concatenation units, each concatenation unit includes:
The opposite inner chain sheet in two panels interval, two panels are located at the outer chain sheet on the outside of the inner chain sheet, a concatenation is inserted in described
Chain piece and both ends are separately connected the pin shaft of the outer chain sheet, an axle sleeve in lining pin shaft periphery and connect with the inner chain sheet
It covers and one is set in bushing periphery and chain rolling of the intermediary between the inner chain sheet.
The bushing and the inner chain sheet form a combination, and the pin shaft and the outer chain sheet connect into a gearing body,
The gearing body can relative to the combination pivot put bend, allow whereby the chain have can bending characteristic.Since the chain makes
During, each group of bushing coaxially worn and the pin shaft can be pivoted relative to each other and generate severe friction, therefore user
Lubricating oil would generally be added in the pin shaft part, for preventing excessive wear.
In addition, some dealers can be concavely provided in the outer peripheral surface of the pin shaft in order to store lubricating oil to maintain lubricant effect
Several grooves for being used to accommodate lubricating oil, however since the lubricating oil overflows without being depended on so being easy to be lost to dissipate, therefore lubrication effect
Fruit is not easy persistently to often result in the chain excessive abrasion and fever, and then easily leads to the chain reduced service life, therefore should
It is still to be improved to sell shaft design.
Summary of the invention
The purpose of the present invention is to provide the pin shafts that one kind can promote the chain of lubricant effect.
The pin shaft of chain of the invention is for concatenating several pieces spaced chain pieces, and including a shaft body, the axis
There are two at intervals positioned at the end face of two opposite ends of a central axis and one around the central axis and company for ontology tool
Connect the circumferential surface of the end face, it is characterised in that: the shaft body has several at each interval from the circumferential surface toward the central axis line footpath
To the groove of recess, which further includes a lubricant layer, which is one layer of solid lubricant, and matches respectively with several
Pointing is closed in the embedded division in the groove of the shaft body.
Also there is one to surround the circumferential surface and consubstantiality for being coated on the shaft body for the pin shaft of chain of the invention, the lubricant layer
Connect the overcoating portion of the embedded division.
Also there is one layer of infiltration to penetrate into the lubricating oil in the solid lubricant for the pin shaft of chain of the invention, the lubricant layer.
Each groove correspondence of the pin shaft of chain of the invention, the shaft body is connected to the end face.
Each groove of the pin shaft of chain of the invention, the shaft body is neither connected to the end face.
The pin shaft of chain of the invention, the solid lubricant of the lubricant layer are selected from molybdenum disulfide, tungsten disulfide, poly- four
Vinyl fluoride, graphite or combinations thereof object.
The beneficial effects of the present invention are: the lubricant layer is one layer of solid lubricant, so can make the lubrication of the chain
Effect is more excellent lasting.
Detailed description of the invention
Other features of the invention and effect will be clearly presented in the embodiment referring to schema, in which:
Fig. 1 is a broken section decomposition diagram, illustrates that a first embodiment of pin shaft of the present invention is installed on a chain
State；
Fig. 2 is a perspective view of the first embodiment；
Fig. 3 is a schematic elevation view of a second embodiment of pin shaft of the present invention；
Fig. 4 is a schematic elevation view of a 3rd embodiment of pin shaft of the present invention；
Fig. 5 is a schematic elevation view of a fourth embodiment of pin shaft of the present invention；
Fig. 6 is a schematic elevation view of one the 5th embodiment of pin shaft of the present invention；
Fig. 7 is a perspective view of a sixth embodiment of pin shaft of the present invention；And
Fig. 8 is a block flow diagram of a first embodiment of the manufacturing method of chain of the present invention.
Specific embodiment
Before the present invention is described in detail, it shall be noted that in the following description content, similar component is with identical
Number is to indicate.
Refering to fig. 1 with Fig. 2, a first embodiment of pin shaft 21 of the present invention is several and is mounted on a chain at each interval
On item 1, which includes the concatenation unit 2 that several left and right were mutually linked and were in a loop shaped.Each concatenation unit 2 removes
Include other than the pin shaft 21, further includes chain piece 22 that is parallel two-by-two inside and outside four and being serially connected by the pin shaft 21.When
The bushing that each right concatenation unit 2 can also include an axle sleeve between the pin shaft 21 and the two chains piece 22 positioned inside
23 and one be set in 23 periphery of the bushing and chain rolling 24 of the intermediary between the two chains piece 22 for being located inside.Only because of the concatenation
The construction and the number of components of unit 2 and the emphasis of non-present invention are not designed as limiting when so implementing with above-mentioned.
And the pin shaft 21 of the present invention first embodiment, including a shaft body 211 and a lubricant layer 212.The axis sheet
There are two the end faces 213, one at intervals positioned at two opposite ends of a central axis 210 around the central axis for the tool of body 211
Line 210 and the circumferential surface 214 of the connection end face 213 and several at each interval from the circumferential surface 214 toward 210 diameter of central axis
To the groove 215 of recess.Each groove 215 is all in parallel and both ends are respectively communicated to the end face with the central axis 210
213 it is linear.
From the point of view of material structure, which there is the solid lubricant of one layer of porous material and one layer of infiltration to seep
Enter the lubricating oil in the hole of the solid lubricant.The solid lubricant is selected from molybdenum disulfide, tungsten disulfide, polytetrafluoroethylene (PTFE)
(being commonly called as Teflon), graphite or combinations thereof object, and the lubricating oil can for the lower lubricating oil of stickiness (oil) or stickiness compared with
High lubricating grease (grease).Again with regard to distributed areas from the point of view of, the lubricant layer 212 have several pointings that are respectively cooperating in the shaft body
Embedded division 216 in 211 groove 215 and one around the circumferential surface 214 for being coated on the shaft body 211 and it is androgynous even
Meet the overcoating portion 217 of the embedded division 216.
It is containing the solid lubricant for being soaked with lubricating oil, institute by the lubricant layer 212 that 21 periphery of pin shaft is coated
With in the use process of the chain 1, the pin shaft 21 and the bushing 23 are due to relative rotation when tribology heat, the solid-state
The lubricating oil contained in the hole of lubricant, it will because expanded by heating, stickiness reduce, and release seepage flow to described
Between pin shaft 21 and the bushing 23, formation adequately and uniformly lubricates interface, so lubricant effect can be further increased, effectively presses down
Abnormal warming phenomenon is made, so as to prolong the service life and strengthen tribology function.And when the chain 1 does not use or slow down cause
When reducing temperature, most of lubricating oil can be sucked back in the hole of the solid lubricant by capillary, be enough with lasting formation
Reduce the lubrication interface of abrasion.
Refering to Fig. 3, a second embodiment of pin shaft 21 of the present invention equally includes that a shaft body 211 and one are coated on
The lubricant layer 212 of the shaft body 211.This second embodiment is described with the difference Yu ︰ of the first embodiment shaft body 211
The shape of groove 215 is different, each groove 215 all in the closed-loop round around the central axis 210, not with other grooves
215 connections, and both ends are not also connected to the end face 213.By above-mentioned design, it equally can achieve and improve oil storage and wear-resisting
Performance and other effects.
Refering to Fig. 4, a 3rd embodiment of pin shaft 21 of the present invention equally includes that a shaft body 211 and one are coated on
The lubricant layer 212 of the shaft body 211.This third embodiment also has with the difference Yu ︰ of the first embodiment shaft body 211
Two are respectively adjacent to the end face 213 and are respectively in the end ditch 218 of loop shaped, and the shape of the groove 215 also with this
One embodiment is different, and all in the helical form turned around from top to bottom, both ends are connected to the end ditch 218 each groove 215 respectively.
By above-mentioned design, it equally can achieve and improve oil storage and wear-resisting property and other effects.
Refering to Fig. 5, a fourth embodiment of pin shaft 21 of the present invention equally includes that a shaft body 211 and one are coated on
The lubricant layer 212 of the shaft body 211.This fourth embodiment is described with the difference Yu ︰ of the first embodiment shaft body 211
The shape of groove 215 is different, all in the helical form turned around from top to bottom, and the connection interlaced with each other of the groove 215, but do not connect
Pass to the end face 213.By above-mentioned design, it equally can achieve and improve oil storage and wear-resisting property and other effects.
Refering to Fig. 6, one the 5th embodiment of pin shaft 21 of the present invention equally includes that a shaft body 211 and one are coated on
The lubricant layer 212 of the shaft body 211.This fifth embodiment is described with the difference Yu ︰ of the first embodiment shaft body 211
The shape of groove 215 is different and is not connected to the end face 213.Each groove 215 is all in versiera (Curve of
Agnesi curve shape).By above-mentioned design, it equally can achieve and improve oil storage and wear-resisting property and other effects.
Refering to Fig. 7, a sixth embodiment of pin shaft 21 of the present invention equally includes that a shaft body 211 and one are coated on
The lubricant layer 212 of the shaft body 211.This sixth embodiment is described with the difference Yu ︰ of the first embodiment shaft body 211
The shape of groove 215 is different and is not connected to the end face 213.The axial Horizon of the groove 215 described in this sixth embodiment
Row is arranged in several rows, and the groove 215 of each row's groove 215 all distinguishes 215 phase of adjacent trenches of row's groove 215 adjacent thereto
Mutually dislocation.And each groove 215 of the present embodiment is all poroid in circular cone.By above-mentioned design, it equally can achieve raising
Oil storage and wear-resisting property and other effects.
Refering to fig. 1 and Fig. 8, a first embodiment of the manufacturing method of chain 1 of the present invention prepare step comprising a part
91,92, chain groups of a powder metallurgy step connect step 93 and a chain immersion oil step 94.
The part prepares step 91 ︰ and molds several shaft bodies 211, several pieces chain pieces 22, several bushings 23 and the rolling of several chains
24, then washing oil dehydration etc. is bestowed into the shaft body 211 after molding, the chain piece 22, the bushing 23 and the chain rolling 24
Processing.Each shaft body 211 after molding all has the circumferential surface 214 and the groove 215.A just wherein shaft body 211
Processing procedure from the point of view of, be the blank that a predetermined length is intercepted out by the shearing of vertical bar round bar, then by the blank rub with the hands flower plus
Work forms the groove 215, and the manufacturing method of certain shaft body 211 also can change, and is not limited with above-mentioned.
92 ︰ of the powder metallurgy step is by the raw material powder of the solid lubricant and additive (such as n-butyl acetate and fourth
Alcohol is Dow corning L-13THINNER specification) paste is deployed into the volume ratio of 1 ︰ 2 after, then by this raw material powder after deploying
It is last to be poured into a container (not shown) with the shaft body 211 according to the ratio of 3 ︰, 1000 parts by weight, and it is aided with rotation, rolling
Dynamic, vibration or stirring ... wait actuations, it is adequately mixed, paste raw materials powder is made to be uniformly adhered to the shaft body 211
The circumferential surface 214 and the groove 215 in, the shaft body 211 for being coated with paste raw materials powder is then put into one
In heating furnace (not shown), after 160 DEG C of excess temperature and the sintering of baking in the time 120 minutes, respectively becomes one layer and be attached to respectively
The solid lubricant of other shaft body 211, then modify the post-treatment procedures of setting etc., backing pin shafts are counted to be manufactured out
21。
The chain group meets step 93 ︰ and is concatenated into the pin shaft 21, the chain piece 22, the bushing 23 and the chain rolling 24
For a chain 1.
The chain 1 is put into the oil storage pool (not shown) that one contains lubricating oil by chain immersion oil step 94 ︰, is bestowed
Immersion oil processing, allows the lubrication oil infiltration to penetrate into the sintering hole of the solid lubricant, so that more good lubrication interface is formed,
Further to strengthen tribology effect.
In conclusion the lubricant layer 212 that the present invention is coated in 211 periphery of shaft body of each backing pin shaft 21, is
It can allow contained when heated other than itself has excellent antiwear characteristic containing the solid lubricant for being soaked with lubricating oil
Lubricating oil releases, and again can suck back lubricating oil when temperature reduces, so that the lubricant effect of the chain 1 is more excellent lasting,
The wear intensity between the pin shaft 21 and the bushing 23 relatively rotated can be reduced, the smooth degree and resistance to when the chain 1 operating is promoted
Abrasivity, while the service life of the chain 1 can be simultaneously promoted, so the purpose of the present invention can be reached really.
As described above, only the embodiment of the present invention is when cannot be limited the scope of implementation of the present invention with this, i.e., all
According to simple equivalent changes and modifications made by claims of the present invention and description, all still belong to the scope of the present invention.
Claims (5)
- It is for concatenating several pieces spaced chain pieces, and including a shaft body, shaft body tool 1. a kind of pin shaft of chain There are two at intervals positioned at the end face of two opposite ends of a central axis and one around described in the central axis and connection The circumferential surface of end face, it is characterised in that: the shaft body is radially of the central axis recessed from the circumferential surface toward this at each interval with several Groove, which further includes a lubricant layer, which is one layer of solid lubricant, and has and several be respectively cooperating with pointing In in the groove of the shaft body embedded division and one around described in the circumferential surface and androgynous connection for being coated on the shaft body The overcoating portion of embedded division.
- 2. the pin shaft of chain according to claim 1, it is characterised in that: it is solid that also there is the lubricant layer one layer of infiltration to penetrate into this Lubricating oil in state lubricant.
- 3. the pin shaft of chain according to claim 1, it is characterised in that: each groove correspondence of the shaft body is connected to The end face.
- 4. the pin shaft of chain according to claim 1, it is characterised in that: each groove of the shaft body neither with it is described End face connection.
- 5. the pin shaft of chain according to claim 1, it is characterised in that: the solid lubricant of the lubricant layer is selected from two Molybdenum sulfide, tungsten disulfide, polytetrafluoroethylene (PTFE), graphite or combinations thereof object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510433422.2A CN106369108B (en) | 2015-07-22 | 2015-07-22 | The pin shaft of chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510433422.2A CN106369108B (en) | 2015-07-22 | 2015-07-22 | The pin shaft of chain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106369108A CN106369108A (en) | 2017-02-01 |
| CN106369108B true CN106369108B (en) | 2018-12-14 |
Family
ID=57880819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510433422.2A Active CN106369108B (en) | 2015-07-22 | 2015-07-22 | The pin shaft of chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106369108B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI750068B (en) * | 2021-03-24 | 2021-12-11 | 岳盟企業股份有限公司 | Chain with toothed links |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433962A (en) * | 2008-11-24 | 2009-05-20 | 苏州环球链传动有限公司 | Powder metallurgy sleeve for chain and production method |
| CN201373067Y (en) * | 2008-11-24 | 2009-12-30 | 苏州环球链传动有限公司 | Powder metallurgy sleeve barrel for chains |
| CN103008648A (en) * | 2012-12-28 | 2013-04-03 | 杭州东华链条集团有限公司 | Novel manufacturing method of maintenance-free chain |
| EP2719921A2 (en) * | 2012-10-12 | 2014-04-16 | AMC Chain Industrial Co., Ltd | Connecting pin for a roller chain |
| CN103775562A (en) * | 2012-10-22 | 2014-05-07 | 岳盟企业股份有限公司 | Chain shaft of chain and manufacturing method thereof |
| TW201702496A (en) * | 2015-07-01 | 2017-01-16 | Amc Chain Industrial Co Ltd | Chain pin, manufacturing method of the same, and manufacturing method of chain for surely enhancing lubrication effect |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6108909A (en) * | 1996-07-02 | 2000-08-29 | Sae Magnetics (H.K.) Ltd. | Groove forming processes for shaft outer diameter |
| JPH10238598A (en) * | 1997-02-28 | 1998-09-08 | Tsubakimoto Chain Co | Chain for power transmission |
| JP4451276B2 (en) * | 2004-10-29 | 2010-04-14 | 日立建機株式会社 | Grease for slide bearing |
| CN102454715B (en) * | 2011-08-12 | 2014-04-23 | 万向钱潮股份有限公司 | Cardan universal joint, and manufacturing method for shaft sleeve for cardan universal joint |
-
2015
- 2015-07-22 CN CN201510433422.2A patent/CN106369108B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433962A (en) * | 2008-11-24 | 2009-05-20 | 苏州环球链传动有限公司 | Powder metallurgy sleeve for chain and production method |
| CN201373067Y (en) * | 2008-11-24 | 2009-12-30 | 苏州环球链传动有限公司 | Powder metallurgy sleeve barrel for chains |
| EP2719921A2 (en) * | 2012-10-12 | 2014-04-16 | AMC Chain Industrial Co., Ltd | Connecting pin for a roller chain |
| CN103775562A (en) * | 2012-10-22 | 2014-05-07 | 岳盟企业股份有限公司 | Chain shaft of chain and manufacturing method thereof |
| CN103008648A (en) * | 2012-12-28 | 2013-04-03 | 杭州东华链条集团有限公司 | Novel manufacturing method of maintenance-free chain |
| TW201702496A (en) * | 2015-07-01 | 2017-01-16 | Amc Chain Industrial Co Ltd | Chain pin, manufacturing method of the same, and manufacturing method of chain for surely enhancing lubrication effect |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106369108A (en) | 2017-02-01 |
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