CN106286824A - Sealing ring - Google Patents
Sealing ring Download PDFInfo
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- CN106286824A CN106286824A CN201510278615.5A CN201510278615A CN106286824A CN 106286824 A CN106286824 A CN 106286824A CN 201510278615 A CN201510278615 A CN 201510278615A CN 106286824 A CN106286824 A CN 106286824A
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- Prior art keywords
- sealing ring
- elastic composition
- identified portion
- main body
- sealing
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Abstract
The present invention provides a kind of sealing ring, and it can identify mutually with other sealing rings for a long time and need not change the shape of product, it is possible to achieve good operability and good sealing.Sealing ring (1) including: the ring-type sealing ring main body (11) shaped with the 1st elastic composition with rubbery elastic；Identified portion (12) with the outer surface that the state partly to expose is embedded in described sealing ring main body.This identified portion (12) is formed by the 2nd elastic composition, and described 2nd elastic composition is the cross-linking system identical with the 1st elastic composition, and the pigment containing predetermined color, has rubbery elastic.
Description
Technical field
The present invention relates between a kind of end face being arranged on two components, for sealing between these two components
The sealing ring in gap.
Background technology
In the past, in the every field of automobile and industrial equipment, use for by the liquid such as oil, water, air,
The air seals such as coal gas are in the sealing ring within device.Sealing ring is formed by the annular component shaped with elastomer,
And return towards produced by elastic deformation radially during by using between the end face being installed in two components
Elastic force seals between this end face, therefore, it is possible to prevent the leakage of various fluid.
Such sealing ring has different materials because use condition is different, it may be considered that to thermostability, resistance to
Cold, oil resistivity, resistance to water, gas-barrier property, mechanical strength, resist bending fatigue properties etc., suitably
Select nitrile rubber (NBR), ethylene propylene rubber (EPDM), silicone rubber (VMQ), fluorine silicon rubber
Glue (FVMQ), hydrogenated nitrile-butadiene rubber (HNBR), fluorubber (FKM), butyl rubber (IIR)
Deng material.
Such as, in automotive field, proposing one and seal structure 100, it is for the high-pressure hydrogen tank of fuel cell
Or pipe arrangement portion, high pressure hydrogen is sealed.In this sealing structure 100, as it is shown on figure 3, in order to close
It is sealed shell 131 and the gap sealed between shell 141, at the groove 132,133 of seal casinghousing 131
In, it is each configured with o-ring 112,122 together with packing ring.It is arranged in the O 112 of high-pressure side H
Shaped by the EPDM of the gas-barrier property with excellence, be arranged in the O 122 of low-pressure side L by having
The VMQ etc. having the low-temperature characteristics of excellence shapes.Therefore, by making the material of both O 112,122
Matter is different, not only when room temperature and low temperature, even also can give play to the sealing of excellence when low-down temperature
Performance, and the gas-barrier property (for example, referring to patent documentation 1) of excellence can have been given play to.
Although its line footpath (diameter of section) of O as above and the diameter of O entirety or hardness have
Difference, but for outward appearance, it is difficult to know that this O has which type of performance or purposes.That is, O shape
Although ring is different because of material, but is the most all the annular construction member of black, there is almost identical color
With identical shape, so, when being arranged on device by multiple sealing rings, be sometimes difficult to each sealing
Circle.Successfully carry out installation exercise, and it is possible to can not send out in the case of installing it is thus impossible to enough by mistake
Wave the function of device.
Therefore, it is proposed to extra label is located at O, represent the performance of this O, purposes,
Or the method setting up various information on the sack being packaged with O or chest.But, in the method,
If O is separated with label or package bag etc. when installation exercise, then do not know the property of this O
Energy, purposes, when multiple o-rings mix, it is impossible to enough make a distinction with other O, thus not
It is capable of identify that each sealing ring.
In addition, it is also proposed that a kind of sealing ring, to arrange impressing portion etc. concavo-convex for the part at the outer surface of sealing ring
Portion, is arranged to by vision or tactile recognition.But, when the outer surface at sealing rings such as O sets
When putting jog, change owing to forming the external surface shape of the local of this jog, may have influence on
The product functions such as sealing property, especially, the diameter of section of O more hour then affects the biggest.For understanding
Certainly this problem, it is proposed that such method: after sealing ring vulcanizes, in a part for its outer surface, uses
Ink containing pigment or dyestuff is marked.According to the method, come by the sealing ring for each type
Change the color of labelling, recognizable each sealing ring, and the outer peripheral face shape because of sealing ring to be not changed in,
The sealing function that sealing ring is intrinsic can be played.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2007-257967 publication
Summary of the invention
Invent problem to be solved
But, when sealing ring is taken care of for a long time, it some times happens that oil component (plasticizer) is in time
Through and the phenomenon of so-called oil spout that gradually separates out at the outer surface of sealing ring.This oil spout occur containing with or without
, in the case of the outer surface at this sealing ring is applied with labelling, there is this in the sealing ring of the oil of the compatibility
The problem of sample, i.e. caused ink dissolution by the oil separated out.It addition, when O is assembled in device,
In addition to above-mentioned oil spout, produce during because of chemical action based on the lubricating oil etc. in device, device work
The physical actions etc. such as friction, and cause ink dissolution or stripping.As a result of which it is, will there is respective function
Multiple O are assemblied together, deterioration or the breakage of an O in above-mentioned multiple O send out
In the case of having given birth to fault, when dismantling this device and taken off by O, it is difficult to know to send out at operation field
Which type of performance the O having given birth to problem has, and operability is poor.Especially, if will not make a reservation for
O be installed in the case of precalculated position cannot play the performance that device is original, it is contemplated that safety,
Not only to change the O that there is a problem, also to change other O not gone wrong, i.e.
All be replaced by all O that be installed on device, such operation is the most miscellaneous.
It is an object of the invention to provide a kind of sealing ring, its can identify mutually with other sealing rings for a long time and
The shape of product need not be changed, good operability and good sealing can be realized.
For solving the technological means of problem
In order to achieve the above object, the sealing ring of the present invention is arranged between the end face of two components, to this
Gap between two components carries out the sealing ring sealed, it is characterised in that including: by the 1st elastomer group
The ring-type sealing ring main body that compound shapes；It is embedded in described sealing ring main body with the state partly to expose
The identified portion of outer surface, described identified portion is formed by the 2nd elastic composition, and the described 2nd is elastic
Body compositions is the cross-linking system identical with described 1st elastic composition, and the pigment containing predetermined color.
Preferably, described 2nd elastic composition and described 1st elastic composition are identical crosslinked
It is and containing identical rubber compound.
Preferably, the exposed surface in described identified portion is formed along the external surface shape of described sealing ring main body.
Additionally, the exposed surface in described identified portion has wire, round-shaped or rectangular shape.
Additionally, sealing ring can have multiple described identified portion.Now, multiple described identified portions can be each other
There is different colors.
In order to achieve the above object, the manufacture method of the sealing ring of the present invention is the method manufacturing sealing ring, should
Sealing ring is configured between the end face of two components, seals the gap between these two components, and it is special
Levy and be, including: the 1st uncrosslinked elastic composition and the 2nd uncrosslinked elastic composition are existed
Precalculated position overlaps, and described 2nd elastic composition is the crosslinking identical with described 1st elastic composition
System and the pigment containing predetermined color；Make described 1st elastic composition and the described 2nd under a predetermined
Elastic composition both sides and cross-link integratedly simultaneously, and the outer surface in described sealing ring main body is formed identified
Portion.
Invention effect
According to the present invention, identified portion is embedded in the outer surface of sealing ring main body with the state partly exposed,
Identified 2nd elastic composition in portion is identical crosslinking with the 1st elastic composition of sealing ring main body
System and containing identical rubber compound.Therefore, it is not necessary to by the outer surface cutting sealing ring main body
Jog is set, can be identified by the identified portion having been assigned color, therefore, lossless sealing
Deng the function that product is original.Even if it addition, causing oil to separate out from the 1st elastic composition because of oil spout
In the case of, identified portion also will not dissolution to outside, the pigment semipermanent contained by the 2nd elastic composition
Maintain the outer surface of sealing ring main body.Additionally, in the case of being assembled in device, also will not occur
Cause identified portion's dissolution because of the lubricating oil in device etc., also will not occur because of friction when device works
Peel off.Therefore, before operating to the installation of device, arbitrary feelings during installation exercise and after installation exercise
Under condition, the color that sealing ring is carried can be visually identified.Additionally, because the 2nd elastic composition
It is identical cross-linking system with the 1st elastic composition, so at sealing ring main body and the interface in identified portion
Demonstrate high bond strength, maintain the sealing property that product is original.Therefore, it can for a long time with
Other sealing rings identify mutually and need not change the shape of product, it is possible to achieve good operability and good close
Feng Xing.
Accompanying drawing explanation
Fig. 1 (a) is the sectional view of the structure schematically showing the sealing ring according to embodiment of the present invention, figure
1 (b) is to illustrate the enlarged drawing in identified portion in Fig. 1 (a).
Fig. 2 (a)～(f) show the figure of the example in the identified portion being arranged on sealing ring.
Fig. 3 is the structure illustrating the existing sealing structure being provided with two different sealing rings of material each other
The sectional view made.
Description of reference numerals
1 sealing ring
11 sealing ring main bodys
11a outer peripheral face
12 are identified portion
12-1,12-2,12-3 are identified portion
12-1a, 12-2a, 12-3a exposed surface
21 are identified portion
21a exposed surface
22 are identified portion
22a exposed surface
23-1,23-2 are identified portion
23-1a, 23-2a exposed surface
24 are identified portion
24a, 24b exposed surface
25 are identified portion
25a, 25b, 25c exposed surface
Detailed description of the invention
Hereinafter, referring to the drawings embodiments of the present invention are described in detail.The sealing ring of the present invention is by cloth
Put between the end face of two components, for sealing the gap between two components, be for by oil, water etc.
The air seals such as liquid, air, coal gas are in the sealing ring within device.
<according to the structure of the sealing ring of present embodiment>
As shown in Fig. 1 (a), include according to the sealing ring 1 of present embodiment: by having rubbery elastic
The annular seal ring main body 11 that shapes of the 1st elastic composition, and be embedded in the state partly exposed
The identified portion 12 of the outer surface of described sealing ring main body.This identified portion 12 is by the 2nd elastic composition shape
Becoming, described 2nd elastic composition is cross-linking system (the identical sulfuration identical with the 1st elastic composition
System), and the pigment containing predetermined color, there is rubbery elastic.
Sealing ring main body 11 for example, O, its shape of cross section is circular (Fig. 1 (b)).
Additionally, sealing ring main body 11 can be the annular element beyond O, the most also can have rectangle, D font
Or the cross sectional shape of X font.
As shown in Fig. 1 (b), identified portion 12 is arranged on the outer peripheral face 11a of sealing ring main body 11, it is simple to
Operators etc. pass through visual identity.Further, as it has been described above, the 2nd elastic composition by with the 1st elastomer
The cross-linking system (identical vulcanizing system) that compositions is identical is constituted, so, the 2nd elastic composition and the 1st
Elastic composition forms cross-linked structure, and thus, identified portion 12 is in boundary portion 13 and sealing ring main body 11
It is securely engaged.For convenience of description, Fig. 1 (b) is shown in broken lines boundary portion 13, but actually exists
It is formed integrally that boundary portion 13 is formed without interface, sealing ring main body 11 and identified portion 12.In this enforcement
In mode, the boundary portion 13 between sealing ring main body 11 and identified portion 12 is made up of curved surface, but it is not
It is limited to this, it is also possible to by plane or corrugated surface, or combinations thereof is constituted.
In the present embodiment, as shown in Fig. 2 (a), multiple identified portion 12-1～12-3 have separately from each other
Having different colors, they are set up in parallel in a circumferential direction.Additionally, the portion of being identified 12-1,12-2,12-3
Exposed surface 12-1a, 12-2a, 12-3a all have circle shape.The portion of being identified 12-1,12-2,12-3
Exposed surface 12-1a, 12-2a, 12-3a be preferably respectively along the shape of outer surface 11a of sealing ring main body 11
Shape and formed.But, do not affecting in the range of the sealing that product is original, the exposed surface in identified portion 12
A certain degree of prominent or depression can be formed relative to outer surface 11a.
Identified portion 12 can arrange multiple as previously discussed, it is also possible to arranges one in a sealing ring main body.
Additionally, when arranging multiple identification part, multiple identified portions also can have mutually different colors.Therefore,
By suitably selecting exposed surface shape and color to be combined, it is possible to form the function corresponding to each sealing ring
With the specific identified portion of purposes, abundant identification information can be given to multiple sealing rings.
Such as, exposed surface 21a in identified portion 21 can be formed as the circumference extension with sealing ring main body 11
Substantially vertical for a direction X wire, and formed (Fig. 2 (b)) by solid color, identified portion 22
Exposed surface 22a can be that there is an elliptical shape of the surface area bigger than the circle in Fig. 1 (a), and by
Solid color forms (Fig. 2 (c)).Additionally, exposed surface 23-1a of the portion of being identified 23-1,23-2,23-2a
Can be two lines shape, and be formed (Fig. 2 (d)) by solid color.
Additionally, identified exposed surface 24a in portion 24,24b can also be respectively semicircle and by different face
Color is formed, combinations thereof form a circle (Fig. 2 (e)).Additionally, the dew in identified portion 25
Appear 25a, 25b, 25c can be the striated formed the most in the same direction by mutually different colors
Formed, combinations thereof form a rectangular shape (Fig. 2 (f)).It addition, Fig. 2 (b), (d),
(f)) shown in shape in, exposed surface can be along and circumference bearing of trend X generally perpendicular direction formed
Ring-type.
<composition of sealing ring main body>
1st elastic composition is using as the rubber compound (A-1) of major component polymer, Yi Jijiao
Connection agent (B-1) as neccessary composition, and containing filler (C-1), plasticizer (D-1), age resister (E-1),
The material of crosslinking coagent (F-1), processing aid (G-1) and other additive etc..
(a) rubber compound (A-1)
The rubber compound (A-1) of the 1st elastic composition is by selected from such as following one kind or two or more
Material constitute: ethylene propylene rubber (EPDM), nitrile rubber (NBR), silicone rubber (VMQ),
Fluorosioloxane rubber (FVMQ), hydrogenated nitrile-butadiene rubber (HNBR), fluorubber (FKM), acrylate rubber
Glue (ACM), neoprene (CR), butyl rubber (IIR), SBR styrene butadiene rubbers (SBR)
And polyurethane rubber (AU).Preferably, rubber compound (A-1) preferably by ethylene propylene rubber,
Or the mixed rubber of ethylene propylene rubber and other rubber compound is formed.
(b) cross-linking agent (B-1)
Cross-linking agent (B-1) is the material with the effect making rubber compound (A-1) crosslinking (sulfuration),
Can enumerate such as, dicyclopentadiene (DCP), sulfur etc..Relative to rubber compound (A-1) 100 weight
Amount part contains the cross-linking agent (B-1) of 1～10 weight portions.
(c) filler (C-1)
Filler (C-1) is the material of effect mainly having and improving mechanical performance, can enumerate such as white carbon black (CB),
Graphite, kieselguhr etc..The filler of 1～50 weight portions is contained relative to rubber compound (A-1) 100 weight portion
(C-1)。
(d) plasticizer (D-1)
Plasticizer (D-1) is the material having and improving flexible effect, can enumerate such as paraffin oil, esters
Oil, naphthenic oil etc..The plasticizer of 1～40 weight portions is contained relative to rubber compound (A-1) 100 weight portion
(D-1)。
(e) age resister (E-1)
Age resister (E-1) is the material with the effect preventing deterioration, and also referred to as antioxidant.
As age resister (E-1), such as aniline and diaryl amine etc. can be enumerated.Relative to rubber compound (A-1)
100 weight portions contain the age resister (E-1) of 0.5～5 weight portions.
(f) crosslinking coagent (F-1)
Crosslinking coagent (F-1) is one or more materials with the effect promoting crosslinking (sulfuration) function,
The metal-oxides such as organic additive, zinc oxide etc. such as such as triallyl isocyanate (TAIC) can be enumerated.
The crosslinking coagent (F-1) of 1～10 weight portions is contained relative to rubber compound (A-1) 100 weight portion.
(g) processing aid (G-1)
Processing aid (G-1) be have improve shape time the mobility of the 1st elastic composition, processability,
Release property, one or more materials of effect of adhesiveness, can enumerate such as stearic acid, silicone chemical combination
Thing etc..The processing aid (G-1) of 0.1～5 weight portions is contained relative to rubber compound (A-1) 100 weight portion.
<composition in identified portion>
2nd elastic composition is using as the rubber compound (A-2) of major component polymer, cross-linking agent
(B-2) and pigment (C-2) is as neccessary composition, and containing filler (D-2), plasticizer (E-2),
The material of age resister (F-2), crosslinking coagent (G-2), processing aid (H-2) and other additive etc.
Material.
(a) rubber compound (A-2)
The rubber compound (A-2) of the 2nd elastic composition is by selected from such as following one kind or two or more
Material constitute: nitrile rubber (NBR), ethylene propylene rubber (EPDM), silicone rubber (VMQ),
Fluorosioloxane rubber (FVMQ), hydrogenated nitrile-butadiene rubber (HNBR), fluorubber (FKM), acrylate
Rubber (ACM), neoprene (CR), butyl rubber (IIR), SBR styrene butadiene rubbers (SBR)
And polyurethane rubber (AU).Preferably, rubber compound (A-2) is and rubber compound (A-1)
Identical cross-linking system, and formed by the rubber compound identical with rubber compound (A-1).Such as,
In the case of rubber compound (A-1) is ethylene propylene rubber, ethylene propylene rubber is preferably selected to make
For rubber compound (A-2).Additionally, rubber compound (A-2) is not even if being and rubber compound (A-1)
Identical rubber compound, as long as the cross-linking system identical with rubber compound (A-1), it is possible to realize
The composition of the present invention.
(b) cross-linking agent (B-2)
Cross-linking agent (B-2) is the material with the effect making rubber compound (A-2) crosslinking (sulfuration),
Such as dicyclopentadiene (DCP), sulfur etc. can be enumerated.Cross-linking agent (B-2) may select and cross-linking agent (B-1)
Identical material.The cross-linking agent of 1～10 weight portions is contained relative to rubber compound (A-2) 100 weight portion
(B-2)。
(c) pigment (C-2)
The dye material that pigment (C-2) is made up of the mixture of a kind of color or multiple color, can enumerate
Such as cyan (cyan), carmetta (magenta), yellow or similar monochrome, or these colors
Combination and the dye material that obtains.
(d) filler (D-2)
Filler (D-2) is the material mainly with the effect improving mechanical strength, can enumerate such as white carbon
In white filler, calcium carbonate, clay, Talcum etc..In the case of containing white filler, improve machine
While tool intensity, it is possible to obtain the good colour developing of above-mentioned pigment (C-2).Relative to rubber compound (A-2)
100 weight portions contain the filler (D-2) of 1～50 weight portions.
(e) plasticizer (E-2)
Plasticizer (E-2) is the material having and improving flexible effect, can enumerate such as paraffin oil, esters
Oil, naphthenic oil etc..
(f) age resister (F-2)
Age resister (F-2) is the material with the effect preventing deterioration, and also referred to as antioxidant.
As age resister (F-2), such as aniline and diaryl amine etc. can be enumerated.Relative to rubber compound (A-2)
100 weight portions contain the age resister (F-2) of 0.5～5 weight portions.
(g) crosslinking coagent (G-2)
Crosslinking coagent (G-2) is one or more materials with the effect promoting crosslinking (sulfuration) function,
The metal-oxides such as organic additive, zinc oxide etc. such as such as triallyl isocyanate (TAIC) can be enumerated.
The crosslinking coagent (G-2) of 1～10 weight portions is contained relative to rubber compound (A-2) 100 weight portion.
(h) processing aid (H-2)
Processing aid (H-2) is the mobility and release property having and improving the 2nd elastic composition when shaping
One or more materials of effect, such as stearic acid, silicone compound etc. can be enumerated.Relative to rubber
Glue compound (A-2) 100 weight portion contains the processing aid (H-2) of 0.1～5 weight portions.
<according to the manufacture method of the sealing ring of present embodiment>
Respectively by using the hermetic types such as kneading machine, banbury, banbury mixers (Banbury mixer)
Mixing roll or open roller etc. carry out mixing preparing the 1st elastic composition and the 2nd elastic composition.
It addition, it is by using compressing forming machine etc. to carry out adding heat cure that crosslinking (sulfuration) shapes.Compression molding energy
It is enough while keeping the shape in identified portion 12, being identified the fixed position relative to sealing ring main body 11, the portion 12,
While they are vulcanized simultaneously, thus it is preferred.
Specifically, such as, using that prepared as blank in upper and lower Combined mould, by above-mentioned group
The 1st uncrosslinked elastic composition being shaped as and become the 2nd elastic composition of reservation shape in advance
Coincidence is put in location.Then, by heating with predetermined temperature, the scheduled time under a predetermined, to the 1st
Elastic composition and the 2nd elastic composition both sides carry out integrated vulcanizing simultaneously, to be formed at sealing ring master
The outer surface of body defines the sealing ring in identified portion.Combine at the 1st elastic composition and the 2nd elastomer
The situation of the reliability in the case of thing is difficult to complete cure with a vulcanization process, in order to enhance product performance
Under, it is also possible to after carrying out above-mentioned integrated vulcanizing (once sulfuration), added by heat treatment etc. further
Heat cure (post-cure).
As it has been described above, according to the present embodiment, identified portion 12 is embedded in sealing with partially exposed state
The outer peripheral face 11a of circle main body 11, the 2nd elastic composition in identified portion 12 is and sealing ring main body 11
The identical cross-linking system of the 1st elastic composition and pigment containing predetermined color.Therefore, it is not necessary to
By the outer peripheral face 11a of cutting sealing ring main body 11, jog is set, can be by the quilt having been assigned color
Identification part 12 is identified, therefore, and the function that the product such as lossless sealing is original.Even if it addition, because of spray
Oil and cause the oil such as plasticizer in the case of the 1st elastic composition precipitate into outer peripheral face 11a, identified
Portion 12 also will not dissolution to outside, the pigment contained by the 2nd elastic composition semi-permanently maintains sealing
The outer peripheral face 11a of circle main body 11.Additionally, in the case of being assembled in device, also will not occur because of device
In lubricating oil etc. and cause identified portion 12 dissolution, also will not be peeling-off because of friction when device works.
Therefore, under the either case before the installation exercise of device, installation exercise time and after installation exercise,
The color being endowed sealing ring can be visually identified.Additionally, because the 2nd elastic composition be with
The cross-linking system that 1st elastic composition is identical, so on sealing ring main body 11 and the limit in identified portion 12
Boundary's part 13 demonstrates high bond strength, maintains the sealing property that product is original.When therefore, it can long
Between identify mutually with other sealing rings and the shape of product need not be changed, it is possible to achieve good operability and good
Good sealing.
Embodiment
Below, embodiments of the invention are described.The present invention is not limited to embodiment described below.
First, prepare the material shown in table 1, coordinate the 1st elastic composition A in the ratio shown in this table
As base material, coordinate the 2nd elastic composition B1～B4 as identification elements 1～4 in the ratio shown in this table.
Then, by mixing for each compositions kneading machine, then prepare blank with extruder, make with compressing forming machine
Sealing ring.
In embodiment 1, sealing ring main body uses the 1st elastic composition A, identified portion to use the 2nd
Elastic composition B1, is set to the shape (A in table 3 shown in Fig. 2 (b) by the shape in identified portion
Shape), make sealing ring.
In example 2, in addition to the material in identified portion is set to the 2nd elastic composition B2, with
The method that embodiment 1 is identical has made sealing ring.It addition, in embodiment 3, except the material in identified portion
Material is set to, beyond the 2nd elastic composition B3, make sealing ring in the same manner as in Example 1.
In example 4, except the shape in identified portion being set to the shape shown in Fig. 2 (c) (in table 3
B shape) beyond, made sealing ring with method same as in Example 2.In embodiment 5, remove
The shape in identified portion is set to beyond the shape (C-shape in table 3) shown in Fig. 2 (d), with
The method that embodiment 2 is identical has made sealing ring.
In embodiment 6, except the shape in identified portion being set to the shape shown in Fig. 2 (a) (in table 3
D-shaped shape), and the material in 3 identified portions is respectively the 2nd elastic composition B1, B2, B3
In addition, sealing ring has been made in the same manner as in Example 1.
In embodiment 7, except the shape in identified portion being set to the shape shown in Fig. 2 (e) (in table 3
E shape), and the material of two semi-circular portions in identified portion is respectively the 2nd elastic composition
Beyond B1, B2, make sealing ring in the same manner as in Example 1.
In embodiment 8, except the shape in identified portion being set to the shape shown in Fig. 2 (f) (in table 3
F shape), and the material of 3 band-like portions in identified portion is respectively the 2nd elastic composition
Beyond B2, B3, B4, make sealing ring in the same manner as in Example 1.
It addition, as comparative example 1, the 1st elastic composition A is used for sealing ring main body, to be formed without
The mode in identified portion has made sealing ring.
Then, prepare the material shown in table 2, coordinate the 1st elastomer combination in the ratio shown in this table
Thing C, as base material, coordinates the 2nd elastic composition D1～D4 as identification elements in the ratio shown in this table
1～4.In addition to the difference in the type of polymer and the type of plasticizer and table 1, with and above-described embodiment
1～8 and the same method of comparative example 1, make embodiment 9～16 and the sealing ring of comparative example 2.
Then, by method as follows, each characteristic of above-described embodiment and comparative example is determined
And evaluate.
(1) identity
As the judgement of identity, state is carried out visualization.For above-mentioned made sealing ring,
The situation clearly keeping the shape in identified portion is set to very good " ◎ ", the most discernible state is set to
"○", is set to "×" by the situation of difference.
(2) sealing
As the judgement of sealing, carry out leak test.The situation that leakage does not occurs is set to good "○",
The situation that there occurs leakage is set to difference "×".
(3) tack
As the evaluation of tack, by visually comprising surface, identified portion to solvent (MEK) wiping
State after sealing ring surface is confirmed.The situation having obtained identified portion keeping is set to good "○",
Situation about not keeping is set to difference "×".
The result being measured embodiment and comparative example by said method and evaluate is shown in table 3 and table 4
In.
Table 1
Table 2
Table 3
Table 4
As shown in Table 3, in embodiment 1～8, the property known, sealing and tack are all good.
On the other hand, in comparative example 1, although sealing and tack are good, but the property known is poor.And
And, as can be known from the results of Table 4, in embodiment 9～16, the property known, sealing and tack are all good.
On the other hand, in comparative example 2, although sealing and tack are good, but the property known is poor.
Industrial applicability
The sealing ring of the present invention is in automotive field and general industrial equipment field, or in special industrial equipment field
In, with acting on lubricant, working oil, fuel, water, cooling water, medicine, gas etc. are sealed close
Seal, coolant (LLC) and brake fluid especially for automobile are highly useful.
Claims (7)
1. a sealing ring, is configured between the end face of two components, enters the gap between these two components
Row seals, it is characterised in that including:
The ring-type sealing ring main body shaped with the 1st elastic composition；With
The identified portion of the outer surface of described sealing ring main body it is embedded in the state partly exposed,
Described identified portion is formed by the 2nd elastic composition, and described 2nd elastic composition is with described
The cross-linking system that 1st elastic composition is identical, and the pigment containing predetermined color.
Sealing ring the most according to claim 1, it is characterised in that
Described 2nd elastic composition is the cross-linking system identical with described 1st elastic composition, and contains
There is the rubber compound identical with described 1st elastic composition.
Sealing ring the most according to claim 1, it is characterised in that
The exposed surface in described identified portion is formed along the external surface shape of described sealing ring main body.
Sealing ring the most according to claim 3, it is characterised in that
The exposed surface in described identified portion has wire, round-shaped or rectangular shape.
Sealing ring the most according to any one of claim 1 to 4, it is characterised in that
There is multiple described identified portion.
Sealing ring the most according to claim 5, it is characterised in that
Multiple described identified portions are colored differently from one another.
7. a manufacture method for sealing ring, this sealing ring is configured between the end face of two components, to this two
Gap between individual component seals, it is characterised in that including:
By heavy in precalculated position to the 1st uncrosslinked elastic composition and the 2nd uncrosslinked elastic composition
Closing, described 2nd elastic composition is the cross-linking system identical with described 1st elastic composition, and contains
There is the pigment of predetermined color；
Make described 1st elastic composition and described 2nd elastic composition both sides under a predetermined simultaneously
And cross-link integratedly, the outer surface in described sealing ring main body forms identified portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510278615.5A CN106286824A (en) | 2015-05-27 | 2015-05-27 | Sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510278615.5A CN106286824A (en) | 2015-05-27 | 2015-05-27 | Sealing ring |
Publications (1)
| Publication Number | Publication Date |
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| CN106286824A true CN106286824A (en) | 2017-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510278615.5A Pending CN106286824A (en) | 2015-05-27 | 2015-05-27 | Sealing ring |
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| CN (1) | CN106286824A (en) |
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| US5004513A (en) * | 1986-11-24 | 1991-04-02 | The Gates Rubber Company | Method for forming a fiber composite sealing element |
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| JPH11182688A (en) * | 1997-12-16 | 1999-07-06 | Hitachi Building Systems Co Ltd | Seal member |
| EP0962882A2 (en) * | 1998-06-06 | 1999-12-08 | Worcester Heat Systems Limited | Colour coding method for storing and retrieving objects |
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| CN202108994U (en) * | 2011-05-24 | 2012-01-11 | 山西浩业通用设备有限公司 | Polyurethane drum type sealing ring |
| CN202108986U (en) * | 2011-05-24 | 2012-01-11 | 山西浩业通用设备有限公司 | Composite drum type sealing ring |
| CN103842173A (en) * | 2011-09-26 | 2014-06-04 | 电气化学工业株式会社 | Laminate body, cross-linked product, and molded member |
| CN204025665U (en) * | 2014-05-22 | 2014-12-17 | 浙江宏鑫减震系统有限公司 | A kind of seal ring |
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|---|---|---|---|---|
| US5004513A (en) * | 1986-11-24 | 1991-04-02 | The Gates Rubber Company | Method for forming a fiber composite sealing element |
| JPH06228325A (en) * | 1993-02-03 | 1994-08-16 | Sakagami Seisakusho:Kk | Coloration of tetrafluoroethylene resin molding |
| JPH11182688A (en) * | 1997-12-16 | 1999-07-06 | Hitachi Building Systems Co Ltd | Seal member |
| EP0962882A2 (en) * | 1998-06-06 | 1999-12-08 | Worcester Heat Systems Limited | Colour coding method for storing and retrieving objects |
| EP2096580A1 (en) * | 2008-02-29 | 2009-09-02 | Carl Freudenberg KG | Product marking |
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| CN202108994U (en) * | 2011-05-24 | 2012-01-11 | 山西浩业通用设备有限公司 | Polyurethane drum type sealing ring |
| CN202108986U (en) * | 2011-05-24 | 2012-01-11 | 山西浩业通用设备有限公司 | Composite drum type sealing ring |
| CN103842173A (en) * | 2011-09-26 | 2014-06-04 | 电气化学工业株式会社 | Laminate body, cross-linked product, and molded member |
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