CN106151375A - A kind of sealing ring chain - Google Patents
A kind of sealing ring chain Download PDFInfo
- Publication number
- CN106151375A CN106151375A CN201510177086.XA CN201510177086A CN106151375A CN 106151375 A CN106151375 A CN 106151375A CN 201510177086 A CN201510177086 A CN 201510177086A CN 106151375 A CN106151375 A CN 106151375A
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- CN
- China
- Prior art keywords
- sealing
- sealing ring
- chain
- axle sleeve
- lip
- 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.)
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Abstract
The invention provides a kind of sealing ring chain, belong to field of mechanical technique.It solve short problem in existing sealing ring chain service life.This sealing ring chain is combined successively by several chain units, each chain unit all includes the two pieces of inner plates being fixed together by an axle sleeve, it is equipped with outer plate and two outer plates outside two inner plates to be fixed together by a bearing pin, axle sleeve is set on bearing pin, it is extruded with sealing ring between the outer plate and inner plate of the same side, the outside of every piece of inner plate is respectively provided with the connecting portion of protrusion, this connecting portion is cylindrically, sealing ring includes sealing and sleeved part, sleeved part is socketed on connecting portion, sealing is tubular, there is on sealing medial wall sealing lip in the form of a ring, sealing lip at least twice and the axial distribution along sealing, per pass sealing lip is all together with the lateral wall tight abutment of axle sleeve.The advantage that this sealing ring chain has length in service life.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of chain, particularly a kind of sealing ring chain.
Background technology
In prior art, sealing ring chain is made up of inner plate, outer plate, axle sleeve, bearing pin and O RunddichtringO etc..Wherein, O RunddichtringO is compressed between inner plate, outer plate and axle sleeve, and this forms an airtight space, makes the oils and fats between axle sleeve and bearing pin will not overflow in operation process.
When actually used, the service life of chain is played an important role by the elasticity of sealing ring, wearability, sealing.And O RunddichtringO has certain deflection after being extruded, although its advantage is that price is low, but this sealing ring anti-wear performance is poor, and oils and fats volatilization rear chain rate of wear in the case of unlubricated is accelerated, it is impossible to meet the market life requirements to high-intensity sealing chain.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of service life length sealing ring chain.
nullThe purpose of the present invention can be realized by following technical proposal: a kind of sealing ring chain，Combined successively by several chain units，Each described chain unit all includes that just two pieces of inner plates and two inner plates to arranging are fixed together by an axle sleeve，It is equipped with outer plate and two outer plates outside two inner plates to be fixed together by a bearing pin，Described axle sleeve is set on bearing pin，It is provided with sealing ring between the outer plate and inner plate of the same side，It is characterized in that，The outside of every piece of described inner plate is respectively provided with the connecting portion of protrusion，This connecting portion is cylindrically and the central axis conllinear of its center axis and axle sleeve，Described sealing ring includes sealing and sleeved part cylindrically，Described sleeved part is socketed on connecting portion and this socket part offsets with inner plate lateral wall，Described sealing is tubular and this sealing offsets with outer plate medial wall，Have on described sealing medial wall protrusion and sealing lip in the form of a ring，Described sealing lip at least twice and the axial distribution along sealing，Sealing lip described in per pass is all together with the lateral wall tight abutment of axle sleeve.
On the connecting portion being positioned at outside inner plate by arranging sealing ring to be socketed in, sealing ring is positioned, sealing ring is made to occur stably deformation being formed between outer plate and inner plate stably to seal under the extruding of outer plate, the oils and fats volatilization being prevented effectively between axle sleeve and bearing pin, thus improve the service life of this sealing ring chain；By arranging multiple sealing lips together with side wall of shaft sleeve tight abutment, further increase the sealing connected between outer plate and inner plate, thus further increase the service life of this sealing ring chain.
In above-mentioned sealing ring chain, the cross section of the sealing lip described in per pass is the most triangular in shape.
Use above-mentioned structure, reduce the lifting surface area of sealing lip, sealing lip is made to be more prone to deform upon and be closely abutted together with side wall of shaft sleeve under the common effect of axle sleeve and outer plate, further increase the sealing connected between outer plate and inner plate, thus improve the service life of this sealing ring chain.
In above-mentioned sealing ring chain, this one sealing lip near outer plate is positioned at the port of described sealing.
Wherein one sealing lip is positioned at the port of sealing, the medial wall being positioned at sealing port is made to form a tapered spigot surface, to guarantee that axle sleeve inserts accurately, make together with side wall of shaft sleeve tight abutment, to further increase all the time during sealing lip deformation the service life of this sealing ring chain.
In above-mentioned sealing ring chain, between adjacent two seals lip, form the oil storage tank that cross section is V-shape.
Form the groove in V-shape between two adjacent sealing lips, be used for storing oils and fats or storing from the oils and fats flowed out between axle sleeve and bearing pin, improve the sealing being connected between sealing lip and axle sleeve further, thus improve the service life of this sealing ring chain.
In above-mentioned sealing ring chain, described sealing lateral wall offering locating slot in the form of a ring, described locating slot is coaxial with sealing, is provided with jump ring in described locating slot.
Under the effect of jump ring, sealing has the trend moved to axle sleeve direction so that sealing lip is closely abutted together with axle sleeve, is effectively increased the sealing being connected between sealing lip with axle sleeve, thus improves the service life of this sealing ring chain.
Compared with prior art, this sealing ring chain has the advantage that
1, on the connecting portion being positioned at outside inner plate by arranging sealing ring to be socketed in, sealing ring is positioned, sealing ring is made to occur stably deformation being formed between outer plate and inner plate stably to seal under the extruding of outer plate, the oils and fats volatilization being prevented effectively between axle sleeve and axle sleeve, thus improve the service life of this sealing ring chain.
2, the cross section of sealing lip is the most triangular in shape, reduce the lifting surface area of sealing lip, sealing lip is made to be more prone to deform upon and be closely abutted together with side wall of shaft sleeve under the common effect of axle sleeve and outer plate, further increase the sealing connected between outer plate and inner plate, thus improve the service life of this sealing ring chain.
3, by arranging jump ring, make sealing have the trend moved to axle sleeve direction so that sealing lip is closely abutted together with bearing pin, be effectively increased the sealing being connected between sealing lip with axle sleeve, thus improve the service life of this sealing ring chain.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of this sealing ring chain.
Fig. 2 is the structure for amplifying schematic diagram in Fig. 1 at A.
Fig. 3 is the structural representation of sealing ring.
In figure, 1, inner plate；1a, connecting portion；2, outer plate；3, bearing pin；4, roller；5, axle sleeve；6, sealing ring；6a, sleeved part；6b, sealing；6b1, sealing lip；6c, oil storage tank；7, jump ring.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
As it is shown in figure 1, this sealing ring 6 chain is combined successively by several chain units, wherein, each chain unit is the most identical and is formed by inner plate 1, outer plate 2, bearing pin 3, roller 4, axle sleeve 5 etc..
Inner plate 1 has two pieces and just to setting, and two pieces of inner plates 1 are fixed together by the axle sleeve 5 being positioned between the two.Outer plate 2 has two pieces and lays respectively at the outside of two pieces of inner plates 1, and two pieces of outer plates 2 are fixed together by bearing pin 3.Axle sleeve 5 is set on bearing pin 3 and roller 4 is socketed on axle sleeve 5.
Being provided with between the inner plate 1 and outer plate 2 of the same side makes both connect the sealing ring 6 of sealing.Specifically, as depicted in figs. 1 and 2, the outside of every piece of inner plate 1 is respectively provided with the connecting portion 1a of protrusion, this connecting portion 1a cylindrically and the central axis conllinear of its center axis and axle sleeve 5.Sealing ring 6 includes sleeved part 6a and sealing 6b, wherein, sleeved part 6a is cylindrically, sleeved part 6a is socketed on connecting portion 1a and the end face of this sleeved part 6a sticks together with the lateral wall of inner plate 1 so that sealing ring 6 occurs stably deformation being formed between outer plate 2 and inner plate 1 stably to seal under the extruding of outer plate 2.Sealing 6b is tubular and is coaxially disposed with sleeved part 6a, and the end face of this sealing 6b sticks together with the medial wall of outer plate 2.As shown in Figures 2 and 3, have on sealing 6b medial wall protrusion and sealing lip 6b1 in the form of a ring, sealing lip 6b1 at least twice and the axial distribution along sealing 6b, per pass sealing lip 6b1, all together with the tight abutment of axle sleeve 5 lateral wall, further increases the sealing connected between outer plate 2 and inner plate 1.
Further illustrate, the cross section of per pass sealing lip 6b1 is the most triangular in shape, and between adjacent two seals lip 6b1, form the oil storage tank 6c that cross section is V-shape, it is used for storing oils and fats or storage from the oils and fats flowed out between axle sleeve 5 and bearing pin 3, improve the sealing being connected between sealing lip 6b1 and axle sleeve 5 further, thus improve the service life of this sealing ring 6 chain.Optimizing further, this one sealing lip 6b1 near outer plate 2 is positioned at the port of sealing 6b.
As shown in Figures 2 and 3, sealing 6b offers locating slot in the form of a ring on lateral wall, locating slot is coaxial with sealing 6b, jump ring 7 it is provided with in locating slot, under the effect of jump ring 7, sealing 6b has the trend moved to axle sleeve 5 direction so that sealing lip 6b1 is closely abutted together with bearing pin 3, it is effectively increased between sealing lip 6b1 with axle sleeve 5 sealing being connected, thus improves the service life of this sealing ring 6 chain.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Claims (5)
- null1. a sealing ring chain，Combined successively by several chain units，Each described chain unit all includes that just two pieces of inner plates and two inner plates to arranging are fixed together by an axle sleeve，It is equipped with outer plate and two outer plates outside two inner plates to be fixed together by a bearing pin，Described axle sleeve is set on bearing pin，It is provided with sealing ring between the outer plate and inner plate of the same side，It is characterized in that，The outside of every piece of described inner plate is respectively provided with the connecting portion of protrusion，This connecting portion is cylindrically and the central axis conllinear of its center axis and axle sleeve，Described sealing ring includes sealing and sleeved part cylindrically，Described sleeved part is socketed on connecting portion and this socket part offsets with inner plate lateral wall，Described sealing is tubular and this sealing offsets with outer plate medial wall，Have on described sealing medial wall protrusion and sealing lip in the form of a ring，Described sealing lip at least twice and the axial distribution along sealing，Sealing lip described in per pass is all together with the lateral wall tight abutment of axle sleeve.
- Sealing ring chain the most according to claim 1, it is characterised in that the cross section of the sealing lip described in per pass is the most triangular in shape.
- Sealing ring chain the most according to claim 2, it is characterised in that this one sealing lip near outer plate is positioned at the port of described sealing.
- Sealing ring chain the most according to claim 3, it is characterised in that form the oil storage tank that cross section is V-shape between adjacent two seals lip.
- Sealing ring chain the most according to claim 1, it is characterised in that offering locating slot in the form of a ring on described sealing lateral wall, described locating slot is coaxial with sealing, is provided with jump ring in described locating slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510177086.XA CN106151375A (en) | 2015-04-15 | 2015-04-15 | A kind of sealing ring chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510177086.XA CN106151375A (en) | 2015-04-15 | 2015-04-15 | A kind of sealing ring chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106151375A true CN106151375A (en) | 2016-11-23 |
Family
ID=57336960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510177086.XA Pending CN106151375A (en) | 2015-04-15 | 2015-04-15 | A kind of sealing ring chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106151375A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999932A (en) * | 2018-07-11 | 2018-12-14 | 益阳百炼链条科技有限公司 | A kind of sealed chain |
| WO2022052473A1 (en) * | 2020-09-11 | 2022-03-17 | 杭州持正科技股份有限公司 | Chain joint |
-
2015
- 2015-04-15 CN CN201510177086.XA patent/CN106151375A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999932A (en) * | 2018-07-11 | 2018-12-14 | 益阳百炼链条科技有限公司 | A kind of sealed chain |
| WO2022052473A1 (en) * | 2020-09-11 | 2022-03-17 | 杭州持正科技股份有限公司 | Chain joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161123 |