CN101177194A - Sealing chain - Google Patents
Sealing chain Download PDFInfo
- Publication number
- CN101177194A CN101177194A CNA2007101851557A CN200710185155A CN101177194A CN 101177194 A CN101177194 A CN 101177194A CN A2007101851557 A CNA2007101851557 A CN A2007101851557A CN 200710185155 A CN200710185155 A CN 200710185155A CN 101177194 A CN101177194 A CN 101177194A
- Authority
- CN
- China
- Prior art keywords
- link plate
- mentioned
- ring
- sleeve
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims description 42
- 230000002093 peripheral effect Effects 0.000 claims description 30
- 230000002687 intercalation Effects 0.000 claims description 6
- 238000009830 intercalation Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229920002449 FKM Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/02—Driving-chains
- F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/30—Details; Auxiliary devices
- B65G17/38—Chains or like traction elements; Connections between traction elements and load-carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/20—Traction chains, ropes, or cables
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Chain Conveyers (AREA)
Abstract
The invention provides a seal chain which can restrain the reduction of the seal performance, the service life and the intensity of a sleeve. An outer chain link (4) which embeds and fixes the two ends of a pin (3) into a pin hole (2a) of an outer chain link board (2), is connected with an inner chain link (8) which embeds and fixes the two ends (7a) of a sleeve (7) which is embedded with a roller (6) movably into a sleeve hole (5a) of an inner chain link board (5). A seal mechanism (9) is arranged between the chain link board (2) and the inner chain link board (5). The seal mechanism (9) consists of an elastic ring (10) and a seal ring (11), wherein, the seal ring (11) is provided with a circular inclined inner periphery (11a) and a circular inclined outer periphery (11b); and the elastic ring (10) is held by a circular inclined side (7a) formed at the two ends (7a) of the sleeve (7) which is convex from the inner chain link board (5) and the circular inclined inner periphery (11a) of the seal ring (11).
Description
Technical field
The present invention relates to carry (conveyer), transmission of power (transmission) wait in the sealing chain of use, particularly spill and prevent that to the outside foreign matter from invading from the outside between the inner peripheral surface of the outer peripheral face of pin and sleeve and sealing mechanism is configured in sealing chain between the opposed faces of inner link plate and link plate for the lubricating oil (grease etc.) between the inner peripheral surface of the outer peripheral face that prevents to be enclosed in pin and sleeve.
Background technology
The sealing chain is generally as uses such as conveyer chain or messenger chain in high speed messenger chain, the dirty air environment, the conveyer chain that is applied with high load capacity or messenger chains, between the inner link plate of chain and link plate, sealing mechanism is set, prevents to be enclosed in dispersing and invading of lubricating oil between pin and the sleeve from exterior foreign matter.In sealing mechanism, various structures have been proposed since in the past.
Part is represented an example of sealing chain in the past enlargedly among Fig. 6.Sealing mechanism 20 by the seal ring 23 that forms by the nitrogenize steel or stainless steel between the inside portion of end that is located at sleeve 21 and link plate 22 and be located at seal ring 23 and the end of sleeve 21 between resilient ring 24 constitute.The sliding surface 23c of sealing ring 23 is pressed against on the inside portion of link plate 22 by resilient ring 24.This resilient ring 24 is kept by the maintenance groove 23a of the maintenance groove 21a of sleeve 21 and seal ring 23, and by the vertical surface 23b clamping (with reference to patent documentation 1) of the vertical surface 21b of sleeve 21 and seal ring 23.
[patent documentation 1] opens flat 5-1717 communique in fact
Above-mentioned sealing chain in the past is in straightaway or bending are advanced, depart from the situation that approaches link plate 22 or leave link plate 22 owing to the either direction that has inner link plate 25 to about direct of travel, so resilient ring 24 is compressed by the vertical surface 23b of the vertical surface 21b of sleeve 21 and seal ring 23, resilient ring 24 deteriorations or permanent deformation, the result has sealing property to reduce, promote the problem of the reduction in life-span, in addition, because the maintenance groove 21a of the sleeve 21 of maintenance resilient ring 24 and the end face of sleeve 21 form abreast, so there is the wall thickness radially of end 21d of sleeve 21 thinner, the problem that the intensity of sleeve 21 is lower, because the maintenance groove 21a of sleeve 21 forms by the chain Width is inboard at the opposed faces 25a than inner link plate 25, and inner link plate 25 is less with the gap of link plate 22, in case be difficult to be discharged from from the foreign matter that enters between inner link plate 25 and the link plate 22, so foreign matter remains in the end 21e by sleeve 21 easily, resilient ring 24, seal ring 23, the inner peripheral surface 25b of the sleeve hole of inner link plate 25, in the space that surrounds with the opposed faces 22a of link plate 22, the flexible ring 24 of result, seal ring 23 equivalent damages, perhaps foreign matter invades the problem between pin 26 and the sleeve 21 easily.
Summary of the invention
So, the objective of the invention is to solve problem in the past as described above, provide a kind of easy will in case from the foreign matter that enters between inner link plate and the link plate from reduction, the reduction in life-span of discharging, can suppress sealing property between inner link plate and the link plate, the sealing chain that reduces of the intensity that can suppress sleeve.
Relevant technologies scheme 1 the invention provides a kind of sealing chain, be that the pin both ends are embedded outer link in the pin-and-hole be fixed on a pair of link plate, with make loosening intercalation have the both ends of sleeve of roller outstanding and embed inner link in the sleeve hole that is fixed on a pair of inner link plate in above-mentioned sleeve by the loosening intercalation of above-mentioned pin is linked, between the opposed faces of above-mentioned link plate and above-mentioned inner link plate, dispose the sealing chain of sealing mechanism, constitute, above-mentioned sealing mechanism is by the resilient ring that disposes coaxially with above-mentioned pin, constitute with the outside that is configured in this resilient ring and the seal ring that is crimped on the steel on the opposed faces of above-mentioned link plate; Above-mentioned seal ring possesses from above-mentioned inner link plate side towards the inclination inner peripheral surface of the ring-type of above-mentioned link plate side undergauge with from the inclination outer peripheral face of above-mentioned inner link plate side towards the ring-type of above-mentioned link plate side hole enlargement; Above-mentioned resilient ring is kept at the inclination inner peripheral surface from the ring-type of the dip plane of the ring-type of the two outermost end peripheries inclination inner peripheral surface almost parallel that form and above-mentioned ring-type of the outstanding above-mentioned sleeve of above-mentioned inner link plate and above-mentioned seal ring; Thus, the problems referred to above have been solved.
Sealing chain of the present invention according to relevant technologies scheme 1, be configured in sealing mechanism between the opposed faces of link plate and inner link plate by the resilient ring that disposes coaxially with pin, constitute with the outside that is configured in resilient ring and the seal ring that is crimped on the steel on the opposed faces of link plate, seal ring possesses from the inner link plate side inclination inner peripheral surface of the ring-type of link plate side undergauge outward, with inclination outer peripheral face from the ring-type of inner link plate side link plate side hole enlargement outward, the resilient ring quilt is in the dip plane of the ring-type of the two outermost end peripheries inclination inner peripheral surface almost parallel that form and ring-type of the sleeve of giving prominence to from the inner link plate, keep with the inclination inner peripheral surface of the ring-type of seal ring, so, compare to the approaching amount of movement of link plate with the inner link plate, the section deformation amount of resilient ring is less, so can improve the durability of resilient ring, can suppress the reduction of sealing property, the reduction in life-span.
Owing to keep the dip plane of the sleeve of resilient ring to be formed on two outermost end peripheries of the outstanding sleeve of the opposed faces of inner link plate,, reduce so can suppress the intensity of sleeve so can make the wall thickness thickening radially of sleeve ends.
Because the both ends of sleeve are partly outstanding from the opposed faces of inner link plate, and the inclination outer peripheral face of seal ring tilts from the link plate side hole enlargement outward of inner link plate side, so the gap of inner link plate and link plate is bigger, in a single day can be with easily between inner link plate and link plate, discharging from the foreign matter that enters between inner link plate and the link plate, so can avoid the damage and the intrusion of foreign matter between pin and sleeve of sealing element.
Description of drawings
Fig. 1 is a part plane summary side elevation of wanting portion of representing the sealing chain of the embodiment of the invention with the cross section.
Fig. 2 is the cutaway view of sealing chain.
Fig. 3 is the cutaway view of sealing mechanism.
Fig. 4 is the cutaway view of observing in the X-X of Fig. 2 alignment apparent direction.
Fig. 5 is an instruction diagram of schematically representing the section deformation amount of resilient ring, and Fig. 5 (A) is the instruction diagram corresponding to the embodiment of the invention, and Fig. 5 (B) is corresponding to routine in the past instruction diagram.
Fig. 6 is the instruction diagram of the sealing mechanism of sealing chain in the past.
The specific embodiment
Based on Fig. 1 to Fig. 5 embodiments of the invention are described.Fig. 1 is a part plane summary side elevation of wanting portion of representing the sealing chain of the embodiment of the invention with the cross section, Fig. 2 is the cutaway view of sealing chain, Fig. 3 is the cutaway view of sealing mechanism, Fig. 4 is the cutaway view of observing in X-X alignment apparent direction, Fig. 5 is an instruction diagram of schematically representing the section deformation amount of resilient ring, Fig. 5 (A) is the instruction diagram corresponding to the embodiment of the invention, and Fig. 5 (B) is corresponding to routine in the past instruction diagram.
Sealing chain 1 as shown in Figure 1 and Figure 2, the both ends of pin 3 are embedded the outer link 4 among the pin-and-hole 2a that is fixed on a pair of link plate 2 and make loosening intercalation have the both ends 7a of sleeve 7 of roller 6 outstanding and inner link 8 that embed among the sleeve hole 5a that is fixed to a pair of inner link plate 5 becomes flexible intercalations and links in sleeve 7 by sell 3, between both opposed faces 2b, 5b of link plate 2 and inner link plate 5, dispose the leak free sealing mechanism 9 that carries out between pin 3 and the sleeve 7.
The both ends 7a of sleeve 7 is outstanding from the opposed faces 5b of inner link plate 5, on the periphery of these both ends 7a, is formed with from the inner link plate 5 sides dip plane 7b of the ring-type of link plate 2 side undergauges outward.
Above-mentioned pin 3 as shown in Figure 2, possess oily path 3a, 3b in inside, on outer peripheral face, possess the groove 3c that is communicated to oily path 3b, via oily path 3a, 3b, groove 3c lubricant (grease, wet goods) is supplied between the inner peripheral surface of the outer peripheral face of pin 3 and sleeve 7 from the terminal part 3d of pin 3.Groove 3c as the oil groove of the periphery of pin 3 can not have yet, and is provided with as required and suitably.
More than the structure as the sealing chain 1 of embodiments of the invention is illustrated following illustration effect.Be configured in both opposed faces 2b of link plate 2 and inner link plate 5, sealing mechanism 9 between the 5b is by the resilient ring 10 that disposes coaxially with pin 3, constitute with the outside that is configured in resilient ring 10 and the seal ring 11 that is crimped on the opposed faces 2b of link plate 2, seal ring 11 possesses from inner link plate 5 sides link plate 2 side undergauges and the inclination inner peripheral surface 11a that forms outward, with the inclination outer peripheral face 11b that forms from the link plate 2 side hole enlargements outward of inner link plate 5 sides, resilient ring 10 is kept by the inclination inner peripheral surface 11a of dip plane 7b that forms at the end 7a from the outstanding sleeve 7 of the opposed faces 5b of inner link plate 5 and seal ring 11, so, compare to the approaching amount of movement of link plate 2 with inner link plate 5, the section deformation amount of resilient ring 10 is less, so can improve the durability of resilient ring 10, can suppress the reduction of sealing property, the reduction in life-span.
For the section deformation amount of resilient ring 10, describe with reference to the Fig. 5 that schematically represents the section deformation state of resilient ring N.As among Fig. 5 (A) as shown in the corresponding structure of the present invention, for example under the inclination inner peripheral surface Sa that is formed at dip plane Ba on the two outermost end peripheries of sleeve B and seal ring S is respectively 45 ° situation, if establishing the inner link plate is δ to the approaching amount of movement of link plate LP, then the section deformation amount of the resilient ring N of Ya Bianing is roughly δ/√ 2.
With respect to this, shown in the structure of the corresponding example in the past of conduct among Fig. 5 (B), resilient ring N ' by the situation of vertical surface Sa ' clamping of the vertical surface Ba ' of sleeve B ' and seal ring S ' under, if establishing the inner link plate is δ to the approaching amount of movement of link plate LP, then the section deformation amount of the resilient ring N ' of Ya Bianing is δ.Thereby, resilient ring N is kept more can improving the durability of resilient ring N with the dip plane Sa of the dip plane Ba of sleeve B and seal ring S.In addition, in above-mentioned, as corresponding to structure of the present invention, 45 ° the structure of tilting respectively is illustrated for dip plane Ba and dip plane Sa are parallel, but preferably make the both with 45 ° to have a down dip.
Owing to keep the dip plane 7b of the sleeve 7 of resilient ring 10 to be formed on from the end 7a of the outstanding sleeve 7 of the opposed faces 5b of inner link plate 5, so can improve from the distance of the end 7a of the outstanding sleeve 7 of inner link plate 5 and the height of the contact surface 7c of pin 3, promptly can thicken the wall thickness radially of the end 7a of sleeve 7, reduce so can suppress the intensity of sleeve 7.
Because the end 7a of sleeve 7 is outstanding from the opposed faces 5b of inner link plate 5, and the inclination outer peripheral face 11b of seal ring 11 tilts from the link plate 2 side hole enlargements outward of inner link plate 5 sides, so inner link plate 5 is bigger with the gap of link plate 2, can be easily with in case enter into foreign matter between inner link plate 5 and the link plate 2 from discharge between inner link plate 5 and the link plate 2, so can avoid the damage and the intrusion of foreign matter between pin 3 and sleeve 7 of sealing element.
Claims (1)
1. sealing chain, be the pin both ends to be embedded the outer link in the pin-and-hole be fixed on a pair of link plate and make loosening intercalation have the both ends of sleeve of roller outstanding and embed inner link in the sleeve hole that is fixed on a pair of inner link plate by the loosening intercalation of above-mentioned pin is linked, disposes the sealing chain of sealing mechanism between the opposed faces of above-mentioned link plate and above-mentioned inner link plate in above-mentioned sleeve, it is characterized in that
Above-mentioned sealing mechanism is made of resilient ring that disposes coaxially with above-mentioned pin and the seal ring that is configured in the outside of this resilient ring and is crimped on the steel on the opposed faces of above-mentioned link plate;
Above-mentioned seal ring possesses from above-mentioned inner link plate side towards the inclination inner peripheral surface of the ring-type of above-mentioned link plate side undergauge with from the inclination outer peripheral face of above-mentioned inner link plate side towards the ring-type of above-mentioned link plate side hole enlargement;
Above-mentioned resilient ring is kept at the inclination inner peripheral surface from the ring-type of the dip plane of the ring-type of the two outermost end peripheries inclination inner peripheral surface almost parallel that form and above-mentioned ring-type of the outstanding above-mentioned sleeve of above-mentioned inner link plate and above-mentioned seal ring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006302021A JP2008116014A (en) | 2006-11-07 | 2006-11-07 | Seal chain |
| JP2006302021 | 2006-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101177194A true CN101177194A (en) | 2008-05-14 |
Family
ID=39403654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101851557A Pending CN101177194A (en) | 2006-11-07 | 2007-10-30 | Sealing chain |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2008116014A (en) |
| KR (1) | KR101144547B1 (en) |
| CN (1) | CN101177194A (en) |
| TW (1) | TW200821243A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351092A (en) * | 2011-07-12 | 2012-02-15 | 杭州和泰机电工业有限公司 | Central conveying chain with labyrinth seal |
| CN109677851A (en) * | 2019-03-05 | 2019-04-26 | 谢德育 | A kind of dregs conveying equipment |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6040199B2 (en) * | 2014-06-11 | 2016-12-07 | 株式会社椿本チエイン | chain |
| JP2016090022A (en) * | 2014-11-11 | 2016-05-23 | 株式会社椿本チエイン | chain |
| JP6334756B1 (en) * | 2017-02-07 | 2018-05-30 | 株式会社椿本チエイン | Seal chain |
| US10150419B2 (en) * | 2017-03-29 | 2018-12-11 | Ford Global Technologies, Llc | Linkage for retractable running board |
| CN109835660B (en) * | 2019-03-11 | 2024-07-09 | 杭州自强链传动有限公司 | Chain with seal structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0676218U (en) * | 1993-04-05 | 1994-10-28 | 石川島播磨重工業株式会社 | Roller chain |
| JPH08200452A (en) * | 1995-01-26 | 1996-08-06 | Hitachi Kizai Kk | Chain structure |
| JP3755656B2 (en) | 2002-04-24 | 2006-03-15 | 株式会社椿本チエイン | Seal chain |
| JP3849862B2 (en) | 2002-04-26 | 2006-11-22 | 株式会社椿本チエイン | Seal chain |
-
2006
- 2006-11-07 JP JP2006302021A patent/JP2008116014A/en active Pending
-
2007
- 2007-10-16 KR KR1020070103968A patent/KR101144547B1/en not_active IP Right Cessation
- 2007-10-22 TW TW096139457A patent/TW200821243A/en unknown
- 2007-10-30 CN CNA2007101851557A patent/CN101177194A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351092A (en) * | 2011-07-12 | 2012-02-15 | 杭州和泰机电工业有限公司 | Central conveying chain with labyrinth seal |
| CN102351092B (en) * | 2011-07-12 | 2013-12-11 | 杭州和泰机电工业有限公司 | Central conveying chain with labyrinth seal |
| CN109677851A (en) * | 2019-03-05 | 2019-04-26 | 谢德育 | A kind of dregs conveying equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008116014A (en) | 2008-05-22 |
| TW200821243A (en) | 2008-05-16 |
| KR101144547B1 (en) | 2012-05-11 |
| KR20080041568A (en) | 2008-05-13 |
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