CN106068413A - Seal member - Google Patents
Seal member Download PDFInfo
- Publication number
- CN106068413A CN106068413A CN201580010017.8A CN201580010017A CN106068413A CN 106068413 A CN106068413 A CN 106068413A CN 201580010017 A CN201580010017 A CN 201580010017A CN 106068413 A CN106068413 A CN 106068413A
- Authority
- CN
- China
- Prior art keywords
- seal member
- state
- pressed
- bounce
- shape
- 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.)
- Granted
Links
- 230000006835 compression Effects 0.000 claims abstract description 23
- 238000007906 compression Methods 0.000 claims abstract description 23
- 238000012856 packing Methods 0.000 claims description 22
- 229920002313 fluoropolymer Polymers 0.000 claims description 5
- 239000004811 fluoropolymer Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 7
- 229920001577 copolymer Polymers 0.000 description 22
- 239000002994 raw material Substances 0.000 description 20
- 238000003825 pressing Methods 0.000 description 19
- 238000004088 simulation Methods 0.000 description 18
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 18
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 11
- 238000007789 sealing Methods 0.000 description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- -1 polyethylene Polymers 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- OVGRCEFMXPHEBL-UHFFFAOYSA-N 1-ethenoxypropane Chemical group CCCOC=C OVGRCEFMXPHEBL-UHFFFAOYSA-N 0.000 description 4
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical compound FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000036962 time dependent Effects 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 229920002620 polyvinyl fluoride Polymers 0.000 description 3
- BLTXWCKMNMYXEA-UHFFFAOYSA-N 1,1,2-trifluoro-2-(trifluoromethoxy)ethene Chemical compound FC(F)=C(F)OC(F)(F)F BLTXWCKMNMYXEA-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 229910001290 LiPF6 Inorganic materials 0.000 description 2
- 229920006169 Perfluoroelastomer Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 235000019994 cava Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229920005558 epichlorohydrin rubber Polymers 0.000 description 2
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 239000011255 nonaqueous electrolyte Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 description 2
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920000306 polymethylpentene Polymers 0.000 description 2
- 239000011116 polymethylpentene Substances 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- KHXKESCWFMPTFT-UHFFFAOYSA-N 1,1,1,2,2,3,3-heptafluoro-3-(1,2,2-trifluoroethenoxy)propane Chemical compound FC(F)=C(F)OC(F)(F)C(F)(F)C(F)(F)F KHXKESCWFMPTFT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 229910000552 LiCF3SO3 Inorganic materials 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 1
- 229910001486 lithium perchlorate Inorganic materials 0.000 description 1
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000113 methacrylic resin Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/193—Organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
- H01M50/627—Filling ports
- H01M50/636—Closing or sealing filling ports, e.g. using lids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Gasket Seals (AREA)
Abstract
There is provided seal member, even if effect also can be well sealed in the case of long-time use.A kind of ring-type seal member, it is being used in the state of being pressed from side and the opposite side in the through direction of the through portion of inner side, in the state of being pressed, has the outside part bigger than compression factor on the direction being pressed for the inner side.
Description
Technical field
The present invention relates to seal member.
Background technology
In the past, having a kind of seal member, it is for blocking and suppressing fluid interconnective parts gap to each other
Spill from inside or foreign matter is externally entering.
For example, propose just like the packing ring described in patent document 1 (Japanese Unexamined Patent Publication 2013-157155 publication) like that for inciting somebody to action
The electrode perimeter of lithium battery seals.This packing ring is resin-made, consists of the part with extension around the hole of up/down perforation.
Content of the invention
Invention problem to be solved
But, the packing ring shown in patent document 1 as described above simply forms as being of uniform thickness on the whole, with regard to can
The shape more effectively suppressing the seal members such as the packing ring that liquid spills or foreign matter is externally entering is not recorded.Particularly, with regard to
Even if being also able to maintain that good sealing shape in the case of for a long time in the state of seal member is used and is pressed
The shape of state, does not makees any research.
The present invention completes just in view of the above problems, and the problem of the present invention is, uses long-time even if providing
In the case of also can be well sealed the seal member of effect.
For solving the means of problem
The seal member of first aspect is ring-type seal member, and it is from the one of the through direction of the through portion of inner side
Used in the state of side and opposite side are pressed.In the state of being pressed, this seal member has in the state being pressed
Under outside compression factor on the direction being pressed more than the part of inner side.
The seal member of second aspect is the seal member of first aspect, consists of, the thickness on direction being pressed
With increasing from inner side towards outside.
The seal member of the third aspect is the seal member of first aspect or second aspect, and tensile modulus of elasticity is
Below 0.8GPa.
The seal member of fourth aspect is first aspect to the seal member of the either side in the third aspect, and described
Seal member comprises (per) fluoropolymer and constitutes.
The seal member of the 5th aspect is the seal member of fourth aspect, and the amount of PFA is more than 50wt%
Below 100wt%.
The seal member of the 6th aspect is first aspect to the seal member of the either side in the 5th aspect, and described
Seal member is used for battery packing ring.
Invention effect
The seal member of the present invention has the big part of the compression factor outside compared with inner side, thus from through direction
It is pressed in the case of used, it is possible to increase sealing effectiveness.
Brief description
Fig. 1 is the top view of the seal member 10 as simulated object.
Fig. 2 is the top view of the seal member 110 as an example.
Fig. 3 is the top view of the seal member 210 as an example.
Fig. 4 is that sectional view is observed in the side of the seal member 10 as simulated object.
Fig. 5 is that sectional view is observed in the side of the seal member 10X as simulated object.
Fig. 6 is that sectional view is observed in the side of the seal member 310 as an example.
Fig. 7 is that sectional view is observed in the side of the seal member 410 as an example.
Fig. 8 is that sectional view is observed in the side of the seal member 510 as an example.
Fig. 9 is that sectional view is observed in the side of the seal member 610 as an example.
Figure 10 is that sectional view is observed in the side of the seal member 710 as an example.
Figure 11 is that sectional view is observed in the side of the seal member 10Y of the comparison other as simulation.
Figure 12 is that sectional view is observed in the side of the seal member 10Z of the comparison other as simulation.
Figure 13 is the line chart illustrating the relation between nominal stress and apparent strain.
Figure 14 is the line chart illustrating the relation between true stress and logarithmic strain.
Figure 15 be illustrate with seal member make tilt angle alpha, β change in the case of 200,000 hours after bounce greatly
The chart of little related analog result.
Figure 16 is the simulation of the change of the bounce corresponding with the elapsed time from beginning to use illustrating seal member
The chart of result.
Figure 17 is the chart illustrating the time dependent analog result in the case of bounce at double raw-material.
Figure 18 is the chart of the analog result related to the relation of coefficient of friction of the bounce after illustrating 200,000 hours.
Figure 19 is the figure of the initial state illustrating bounce corresponding with the position of radial direction.
Figure 20 is the figure through the state of 10,000 hours illustrating bounce corresponding with the position of radial direction.
Figure 21 is the figure through the state of 100,000 hours illustrating bounce corresponding with the position of radial direction.
Figure 22 is the figure through the state of 200,000 hours illustrating bounce corresponding with the position of radial direction.
Figure 23 be the pressing of the packing ring illustrating the electrode perimeter for battery before the side view of state.
Figure 24 is the side view of the use state illustrating that the packing ring of the electrode perimeter for battery is pressed.
Detailed description of the invention
Below, to embodiments of the present invention seal member illustrate.
(1) purposes of seal member
The purposes of seal member is not specially limited, and can enumerate such as packing ring, liner etc..
The wherein seal member particularly preferred for battery packing ring.
As such battery, such as lithium battery can be enumerated.Electrolyte as this lithium battery, it is preferred that do not reaching
It is less likely to occur the electrolyte of deterioration during to more than 60 DEG C.
In the case of using as battery packing ring, it is preferred that make electrode (such as negative or positive electrode) position of battery
Through portion in the inner side of seal member uses seal member.
(2) shape of seal member
Being annularly shaped of seal member, is being pressed from side and the opposite side in the through direction of the through portion of inner side
In the state of use, in the state of being pressed, as long as have outside the compression factor on the above-mentioned direction being pressed big
It in the part of the compression factor on the above-mentioned direction being pressed of inner side, then is not particularly limited.
Though being not particularly limited, but for example in the case of having inclined plane up and down, this inclined plane is relative to through direction
Plane for normal both can tilt more than 10 degree, less than 80 degree, it is also possible to tilts more than 20 degree, less than 70 degree.
In addition, below, with regard to the shape of ring-type seal member, it is assumed that the through portion of inner side is through along the vertical direction,
Upper surface, lower surface etc. are illustrated.
Here, be referred to as " ring-type " in the case of, both included the seal member 10 as shown in the top view of Fig. 1 dig out
The cylindrical portions 11 of inner side and periphery 12 are circular cylindrical shape, the seal member 110 in also including such as the top view of Fig. 2
As shown in dig out inner side projected square part 111 and periphery 112 be four square square tubes, also include the top view institute such as Fig. 3
The center of the such part 211 being hollowed out relative to inner side of seal member 210 shown and eccentric relative to the center of periphery 212
Shape.Additionally, the shape of the part being hollowed out of inner side during the top view of seal member is also not particularly limited, both permissible
It is the shape digging out cylindrical shape, it is also possible to be the shape digging out the polygon post such as tetragonal prism, pentagonal prism.Equally, seal member
Top view when the shape of outer rim be also not particularly limited, both can be circular shape, it is also possible to be polygonal shape.
Ring-type seal member is also configured to, and is pressed being pressed of part by be pressed in a state of use
Thickness on direction is with increasing from inner side towards outside in the state of not being pressed.Specifically, both can be such as Fig. 4
The shown such upper surface 13 of seal member 10 be located more laterally top, lower surface 14 be located more laterally lower section that
The shape of sample, wherein, Fig. 4 is to include extending along through direction including the center of the through portion of the inner side of seal member
The sectional view of line, it is also possible to be that seal member 10X such upper surface 13x as shown in Figure 5 is located top, following table more laterally
Face 14x expands to the shape of identical height and position.Here, pressed from the side from through direction of seal member and opposite side
For during pressure, easily the balance of confining force is to obtain the angle of sealing effectiveness well, it is further preferred that hang down from through direction
The upper side of straight direction observation and the symmetrical shape of lower side.
Additionally, without constituting plane above and below seal member, for example, both can be sealing as shown in Figure 6
The such shape that upper section 313 bloats upward, section below 314 bloats downward of part 310, wherein, Fig. 6 is to include
The center of the through portion of the inner side of seal member is at the sectional view of the interior line including and extending along through direction, it is also possible to be such as figure
The shape that the such upper section 413 of seal member 410 caves in downward, section below 414 caves in upward shown in 7.
In addition it is also possible to be the such upper section 513 of seal member 510 as shown in Figure 8 and 514 liang of Fang Jun of section below tilt and
And the shape that each angle of inclination is different.And, it is also possible to be the such upper section 613 of seal member 610 as shown in Figure 9 and under
Side's part 614 is with shape integral inclined while concaveconvex shape.In addition it is also possible to be following shape: as shown in Figure 10
Seal member 710 like that, there is inclined upward part 713a and inclined downward part 714a, described inclined upward part 713a
It is positioned at the surrounding of through portion of inner side with inclined downward part 714a and be inclined to more pass through to inner side relative to through direction
Length on logical direction is shorter, and the top planar section 713b that do not tilts of the outside with sloping portion 713a up and
Lower, planar part 714b not tilted in the outside of inclined downward part 714a.
It is bigger than compression factor on the direction being pressed for the inner side that seal member has outside in the state of being pressed
Part.Here, with regard to being pressed part under the use state being pressed in seal member, it is also possible to be configured to not produce
The inner side part bigger than outside compression factor.
Additionally, with regard to the compression factor of seal member, including the center include the through portion of the inner side of seal member
Including within along the section of the line extending along through direction foreign side's thickness upwards center on the basis of seal member is divided in
In the case of side and outside, it is preferred that the compression factor of inner side is less than the compression factor in outside, and the compression factor in outside deducts
It is worth preferably more than 2%, less than 60%, more preferably more than 3%, less than 50% obtained from the compression factor of inner side,
Further preferably more than 10%, less than 30%.
Preferably, the overall compression factor of seal member rather than be divided into the compression factor of inner side and outer side 10%
Above, to reduce the impact of dimensional tolerance.Further, for long term maintenance high bounce, preferably more than 20%.
Here, compression factor refers to, at the center of the through portion including the inner side comprising seal member along through side
In the section of the line extending, the state that seal member is pressed from side and the opposite side in through direction and seals (uses shape
State) seal member (or specific position of seal member) sectional area minimizing part relative to not to seal member make
Ratio (1-pressed state with the sectional area of the seal member (or specific position of seal member) in the state of any power
Any power of sectional area/do not act on of seal member in the state of the sectional area of seal member).This compression factor is to seal
Parts assume seal member simply from the state (use state) that side and the opposite side in through direction are pressed and seal
The size in pressing direction shortens, value obtained from size constancy in inward-outward direction.
Additionally, include the line along the extension of through direction including the center include the through portion of the inner side of seal member
In section, in the case of composition in the face being tilted by upper section, it is preferred that with respect to the horizontal plane incline in the angle of inclination in this face
Oblique more than 5 degree, more preferably tilt more than 10 degree, it is further preferred that tilt more than 20 degree.
(3) raw material of seal member
It as the raw material of seal member, is not particularly limited, in order to the longer time obtains the sealing effectiveness of seal member, excellent
Choosing, the upper limit of the tensile modulus of elasticity of seal member is 0.8GPa, more preferably 0.7GPa.Moreover it is preferred that it is close
The lower limit of the tensile modulus of elasticity of envelope parts is 0.3GPa.The preferred scope of this tensile modulus of elasticity according to by aftermentioned.
Additionally, as the raw material of seal member, be not particularly limited, can use beyond rubber-like substance, fluororesin
Resin, fluororesin and their mixture etc..Preferably, the main component as seal member for these raw material is comprised.
As rubber-like substance, can use selected from by such as nitrile rubber (NBR), hydrogenated nitrile-butadiene rubber (HNBR), fluorine
Rubber (FKM), FFKM (FFKM), silicon rubber (VMQ), ethylene propylene diene rubber (EPDM), neoprene (CR), acrylic compounds
Rubber (ACM), polyisobutyl rubber (IIR), urethane rubber (U), natural rubber (NR), CSM
(CSM) at least one and in the group that constitutes of epichlorohydrin rubber (CO, ECO).
As the resin beyond fluororesin, can use selected from by such as polyethylene (PE), polypropylene (PP), Merlon
(PC), methacrylic resin, acrylonitrile-butadiene-styrene resin (ABS), polymethylpentene resin (PMP), polyphenyl
In the group that ethene (PA), polyethylene terephthalate (PET), melmac, phenol resin and unsaturated polyester resin are constituted
At least one.In the case of e.g. PP, the melt flow rate (MFR) of the resin beyond fluororesin is according to ASTM D 1238
And as temperature 230 DEG C, load 2.16kg and the value that determines, preferably more than 5, less than 60.
As fluororesin, can use from by such as polytetrafluoroethylene (PTFE) (PTFE), tetrafluoroethene (TFE)/hexafluoropropene
(HFP) copolymer (FEP), TFE/ perfluor (alkyl vinyl ether) (PAVE) copolymer (PFA), polyphenylene sulfide (PPS), ethene
(Et)/tetrafluoroethene (TFE) copolymer, polytrifluorochloroethylene (PCTFE), CTFE (CTFE)/TFE copolymer, Et/
CTFE copolymer, polyvinyladine floride (PVdF), TFE/ vinylidene (VdF) copolymer, VdF/HFP copolymer and polyvinyl fluoride
(PVF) at least one selecting in the group constituting.
Here, in the case of being recited as such as " TFE/HFP copolymer ", expression is the polymerized unit including based on TFE
(TFE unit) and the copolymer of the polymerized unit (HFP unit) based on HFP.
Here, the part at the seal member being compressed is face and inclines relative to the face of the parts of the side of compression
In the case of tiltedly, before compression, the face of contact is non-parallel.Accordingly, as seal member, it is preferred that be deformed into and flexibly deform
And the face of the parts of the side compressed is parallel.For such angle, as the raw material of seal member, preferably as
The (per) fluoropolymer of soft resin, wherein particularly preferably PTFE, PFA, FEP.As the PAVE in PFA, preferably
, there is the alkyl of carbon number 1～6, it is further preferred that perfluoro methyl vinyl ether (PMVE), perfluor (ethyl vinyl ether)
Or perfluoro propyl vinyl ether (PPVE) (PEVE).Above-mentioned PFA preferably PAVE unit more than 2 mass %, 8 mass % with
Under, more preferably 2.5～6 mass %.The amount of each single amount body unit of these polymer can be by according to single amount body
Species is combined as NMR, FT-IR, elementary analysis, fluorescent x-ray analysis calculate (same below).If above-mentioned PFA has
Above-mentioned composition, then also can be polymerized other single amount bodies further.As other single amount bodies, such as HFP can be enumerated.Contain
Below amount preferably 1 weight %.Other single amount bodies above-mentioned can use one kind or two or more.Additionally, in PFA, due to resistance to
Compacted modification is excellent, therefore particularly preferred TFE/PPVE copolymer.As the copolymerization composition of PPVE, preferably 2.0 weight % are to 5.0 weights
Amount %.Here, the PTFE of melt-flowable, the amount of apparent upper reduction PPVE can also be added, improve resistance to compacted modification, reduce
Compressive permanent strain.In which case it is preferable that, the PPVE amount of total is that 1.0 weight % are to 4.0 weight %.Work as conjunction
When the PPVE amount of meter is less than 1 weight %, being susceptible to rupture, when more than 4 weight %, the effect adding PTFE is deteriorated.
Additionally, in the case that seal member is used as lithium battery packing ring, it is preferred that contain and be difficult to swell in polarity
It in strong solvent, is not susceptible to contact the raw material of the deterioration causing.Specifically, as the solvent that polarity is strong, can enumerate
Such as following nonaqueous electrolyte etc.: this nonaqueous electrolyte is by LiCF3SO3、LiClO4、LiBF4And/or LiPF6It is dissolved in
It is suitably mixed with the non-of ethylene carbonate, propylene carbonate, 1,2-dimethoxy-ethane, dimethyl carbonate or diethyl carbonate
Obtained from aqueous solvent.It is difficult to swell in the strong solvent of polarity accordingly, as these, is not susceptible to contact the deterioration causing
Raw material, preferably ETFE or (per) fluoropolymer, particularly preferred PTFE, PFA, FEP in (per) fluoropolymer.Work as at these
In, particularly preferred PFA, this is in order at such consideration: owing to steam breathability is low, it is thus possible to suppression LiPF6Deng electrolysis
The decomposition that the moisture of matter causes, and there is enough hardness, solvent swell is less than rubber, has for extensive chemical substance
Chemical proofing, is difficult to oxidative degradation, can Long-Time Service.In addition, in the case that seal member contains PFA, preferably
It is that the amount of PFA is at more than 50wt%, below 100wt%, it is further preferred that its lower limit is at more than 70wt%.
Above-mentioned PTFE both can be TFE homopolymers, it is also possible to be modified ptfe.Here, " modified ptfe " refers to, by right
Obtained by copolymer do not give melt processable degree a small amount of (below 1 weight %) comonomer (modifying agent) with
The PTFE that TFE is polymerized.As modifying agent, such as the chlorine fluoroolefins such as perfluoroolefine, CTFE, the trifluoro second such as HFP can be enumerated
Alkene, perfluoroalkyl vinyl ether etc..
As above-mentioned TFE/VdF copolymer, it is preferred that TFE unit: the mol ratio of VdF unit is More preferably
As above-mentioned VdF/HFP copolymer, it is preferred that VdF unit with the mol ratio of HFP unit is More preferablyFurther preferablyVdF/HFP is altogether
Polymers is the copolymer including the polymerized unit based on VdF and the polymerized unit based on HFP, it is possible to have fluorine-containing based on other
The polymerized unit of monomer.For example, be VdF/HFP/TFE copolymer be also one of preferred form.As VdF/HFP/TFE copolymerization
Thing, it is preferred that the mol ratio of VdF/HFP/TFE is
In the case that seal member comprises full fluorine copolymer, for being difficult to flowing and it is easy to ensure that the consideration of bounce,
Preferably, its melt flow rate (MFR) (MFR) is below 40g/10 minute, below more preferably 10g/10 minute, further
Below preferably 3g/10 minute.Here, MFR is referred to as the melt flow rate (MFR) when 372 DEG C for the polymer, according to ASTM D
1238-98, uses melt film index testing instrument (Toyo Seiki makes made), puts into the resin of about 6g and remain 372 DEG C
In cylinder, after placement 5 minutes temperature reaches poised state, by a diameter of 2.1mm, length under the piston load of 5kg
For the aperture of 8mm by resin extruded, respectively measure the resin that 3 unit interval (typically 10～60 seconds) gather for same sample
Quality (g), be averaged value and be converted into value (unit: g/10 minute) obtained from the extrusion capacity of every 10 minutes and be MFR.
In addition, in above-mentioned fluororesin, for the excellent angle of melt processable, it is preferred that from by FEP,
PFA, Et/TFE copolymer, PCTFE, CTFE/TFE copolymer, Et/CTFE copolymer, PVdF, TFE/VdF copolymer, VdF/
At least one selecting in the group that HFP copolymer and PVF are constituted.By using such melt processable fluororesin, Neng Gourong
Change places and form.
(4) simulate
Due to the seal member of the present invention have outside the compression factor on the direction being pressed more than inner side
The part of the compression factor on direction being pressed, therefore, even if through long-time (example in the state of seal member is used
Such as 200,000 hours) after, also easily remain the bounce of seal member, sealing effectiveness can be maintained well.
Here, the example of seal member as the present invention, enumerates the seal member 10 and Fig. 5 institute shown in above-mentioned Fig. 4
As a example by the seal member 10X showing, carry out the simulation of the dominance confirming shape.
Seal member 10 shown in Fig. 4 is following example: be the shape that the width in the more through direction towards outside more increases
Shape, upper surface 13 side and lower surface 14 side are tilted by tilt angle alpha both with respect to horizontal plane.
Additionally, the seal member 10X shown in Fig. 5 is following example: be that the width in the more through direction towards outside more increases
Big shape, upper surface 13x is with respect to the horizontal plane tilted by tilt angle alpha, and lower surface 14x extends in the horizontal plane.
Additionally, in simulations, as the comparison other of the seal member of non-invention, have employed the sealing shown in Figure 11
Seal member 10Z shown in part 10Y and Figure 12.Seal member 10Y shown in Figure 11 is to be located more laterally with upper surface 13y
Lower section, lower surface 14y be located more laterally top the mode shape that more width in through direction more reduces towards outside, on
Surface 13y and lower surface 14y is tilted by inclination angle beta both with respect to horizontal plane.Seal member 10Z shown in Figure 12 is as follows
Shape: lower surface 14z extends in the horizontal plane, upper surface 13z gets over and is located lower section towards outside, thus more through towards outside
The shape that the width in direction more reduces；Upper surface 13z is with respect to the horizontal plane tilted by inclination angle beta.
Additionally, seal member the 10th, 10X, 10Y, 10Z for simulation are all ring-type, the through portion that have employed inner side is
Drum and internal diameter A are 6mm, outer peripheral face is also round barrel shape and external diameter B is the seal member of 18mm.Additionally, these
Center (the interposition of inner circumferential radially and periphery of seal member the 10th, 10X, 10Y, 10Z width in the horizontal direction
Put) width C in the through direction at place is on this aspect of 5mm identical.
In addition, in the environment of 60 DEG C, seal member is had the rigid body in the face extending in the horizontal direction from through direction
Side and this both sides of opposite side pressing so keeping, as condition, employing ANSYS V14.5 is simulated.In addition,
Carry out pressing until the center centre position of periphery (inner circumferential radially with) of width of horizontal direction of seal member
The width C in the through direction at place becomes 3mm and maintains this 3mm.
Here, the raw material for seal member the 10th, 10X, 10Y, 10Z of simulation are " tetrafluoroethene and perfluoroalkyl
The copolymer of vinyl ethers ", specifically, have employed the physics value of ネ オ Off ロ Application (registration mark) PFA AP-230.Here,
It as the physics value of the material of PFA AP-230, is 2.0g/10 minute based on the MFR of ASTM D 3307 standard, based on ASTM D
The melting point of 4591 standards is 306 DEG C, is 2.14 based on the proportion of ASTM D 3307 standard, based on drawing of ASTM D 3307 standard
Stretching intensity is 34.0MPa, is 320% based on the percentage elongation of ASTM D 3307 standard.Tensile modulus of elasticity is 430MPa.For
Simulation 60 DEG C when physics value be the value only the mensurations air themperature of ASTM D 3307 being altered to 60 DEG C and measuring, stretch
Intensity is 23.5Mpa, and stretching, extension is 330%, and tensile modulus of elasticity is 186.1MPa, and yield stress is 3.42MPa.Poisson's ratio is
0.46。
Here, the creep properties of raw-material PFA AP-230 being employed as using determines used raw-material
Time dependent condition.In addition, creep properties is as shown in following formula, it is assumed that for by the creep of curing type correction time
Model shows.From by AP230'sThe block of test specimen compression forming made by cutting,
At 60 DEG C actual measure 6.9Mpa, 14MPa, 20MPa, 30MPa, 40MPa load when creep properties.Use this actual survey
Value, by the formula 1 below actual measurement data matching, thus obtains C1、C2、C3、C4。
[formula 1]
Additionally, the coefficient of friction between seal member and rigid body is 0.1, this rigid body be for from the side in through direction and
The rigid body of the pressing of opposite side.
In addition, by carrying out tension test to the raw material being used, thus obtain by the nominal stress shown in Figure 13 with
Line chart shown in the relation of apparent strain.Additionally, calculated by the line chart according to Figure 13, thus obtain shown in Figure 14
True stress and the line chart shown in relation of logarithmic strain.Further, obtain ag(e)ing behavio(u)r (year) from these line charts to analyze
Simulated conditions.
In addition, in simulations, example below is studied: even determining into constraints at seal member
10th, the outside of each periphery of 10X, 10Y, 10Z is equipped with the constraint component 20 being assumed to the rigid body shown in Fig. 1 with from through direction quilt
The example that in the case of pressing, periphery does not also extend laterally；And outside making in the case of not using such constraint component 20
The free example of extension in week.
Figure 15 shows behind 200,000 hours in the case of making tilt angle alpha, β change of seal member and bounce
The related analog result of size.
As shown in figure 15, all understand with regard to arbitrary seal member the 10th, 10X, 10Y, 10Z, have employed the feelings of constraint component 20
Even if also remaining after 200,000 hours under condition have more bounce, sealing effectiveness is good.Additionally, with regard to more through towards outside
Seal member 10Y, 10Z that the thickness in direction more reduces, even if inclination angle beta increases, after 200,000 hours, remaining bounce is also
Not good.The seal member 10X tilting with regard to only upper surface side, bounce increases with tilt angle alpha and somewhat improves, inclination angle
Degree is more than 15 degree, in the scope of less than 22 degree, bounce is very big.With regard to more towards outside, the thickness in through direction more increases
The seal member 10 of shape, it has been confirmed that remaining bounce is also better after tilt angle alpha more increases 200,000 hours, and close
Envelope parts 10X compares, and effect is notable.Even if in the case of not having constraint component 20, owing to α increases, thus bounce is also good
Good.
Thus, understand as seal member, it is preferred that as seal member 10, get over the thickness in the through direction towards outside
Degree is got over and is increased, and uses the shape that upper surface 13 and lower surface 14 liang side tilt in the state of there are constraint component 20.
Additionally, Figure 16 shows the change of the bounce corresponding with the elapsed time from beginning to use of seal member
Analog result.In addition, here, the nonangular form (example of " without tilting ") also using writing board shape is used for comparing.
According to the result of this Figure 16, all understand with regard to arbitrary seal member the 10th, 10X, 10Y, 10Z, be still that and employ about
In the case of bundle parts 20, the reduction of the bounce of process is stable over time, there is side's sealing effectiveness of constraint component 20 more
Well.
Additionally, as the raw material of seal member, to stress during tension test and creep in above-mentioned raw-material physical property
Bounce raw material at double be also carried out simulation.Here, compacted as when applying the actual load at double measured of simulation
The variable raw material identical with the creep compliance of actual measurement and processed.Additionally, to produce reality relative to certain deflection
Measurement stress at double and be made for simulation data.
Figure 17 is 1 times and 2 times to the bounce for stress during the raw-material tension test of seal member and creep
Raw material show the time dependent analog result of bounce.
According to the result of this Figure 17, preferably initial bounce is the model of 2 times, but understands, anti-in about 1 hour
Elastic force is the model of 1 times and the poor of model of 2 times disappears, and then, side's bounce of the situation of 1 times remains bigger on the contrary.?
In the raw-material physics value of seal member, as the physics value high to bounce interdependence, there is tensile modulus of elasticity.With regard to room
Tensile modulus of elasticity under Wen, owing to the model that bounce is 2 times is 0.86GPa, therefore, has the tensile elasticity of 0.86GPa
In the case of modulus, bounce is excessive, not preferably.It is preferred, therefore, that raw-material tensile modulus of elasticity is less than 0.8GPa, more
Preferably at below 0.7GPa.
Additionally, carried out (inclining seal member 10 (tilt angle alpha=10 degree), 10X (tilt angle alpha=20 degree), 10Y
Rake angle β=10 degree), 10Z (inclination angle beta=20 degree) obtains respectively by between seal member with the part of the pressing contacting
The simulation of the bounce after 200,000 hours in the case that coefficient of friction changes.Here, the condition with regard to each seal member, except
Beyond the condition related to the coefficient of friction of the parts of pressing as mentioned above.Figure 18 shows this analog result.Understand such as this knot
Coefficient of friction impact between seal member with the parts of the pressing contacting shown in fruit carrys out the size of the bounce of self-sealing member.
According to this result, above-mentioned coefficient of friction is bigger, and the bounce obtaining is bigger.This effect is not limited to the shape of seal member,
Arbitrary seal member the 10th, 10X, 10Y, 10Z are all identical.Additionally, the increase ratio of the bounce being caused by the increase of coefficient of friction
Unrelated with the length in elapsed time, substantially same ratio.For example, after making coefficient of friction change to 2.0 from 1.0, bounce
Increase about 25%.
Additionally, by the seal member of the nonangular drum of upper and lower surface in above-mentioned seal member from through
The side in direction and opposite side pressing so that the thickness of 5mm is maintained 3mm in the case of, do not have inner side and outer side constraint this
Under conditions of sample, carry out obtaining the time dependent simulation of bounce corresponding with the position of radial direction.
With regard to the state after firm pressing, figure 19 illustrates the result of this simulation, with regard in the state of pressing through 1
The state of ten thousand hours, figure 20 illustrates the result of this simulation, with regard to the state through 100,000 hours in the state of pressing,
Figure 21 illustrates the result of this simulation, with regard to the state through 200,000 hours in the state of pressing, figure 22 illustrates
The result of this simulation.In addition, show a part for the lateral section of seal member in Figure 19 to Figure 22, the left side of figure is footpath
To inner side, the right side of figure shows radial outside.Additionally, in Figure 19 to Figure 22, utilize different hachures to show different
The region of bounce.
Here, in the state of firm pressing, the value of the face pressure of bounce the best part is 37.7MPa, at the shape of pressing
Under state, in the state of 10,000 hours, the value of the face pressure of bounce the best part is 16.4MPa, passes through in the state of pressing
In the state of 100000 hours, the value of the face pressure of bounce the best part is 15.0MPa, little through 200,000 in the state of pressing
When in the state of bounce the best part face pressure value be 14.7MPa.
It it follows that as shown in Figure 19 to Figure 22, is pressed against upper surface from above-below direction and lower surface is not provided with maintaining
Tilt seal member (representing with single dotted broken line) and be allowed to deformation state (representing with double dot dash line) in the case of, through 20
The bounce in the outside of ten thousand little seal members constantly reduces.Furthermore it is possible to think, not get over the thickness in the through direction towards outside
Degree gets over the shape increasing, but the bounce on through direction for the shape being not provided with tilting easily weakens, and this is owing to not setting
Put the shape of inclination owing to extending laterally in the state of being pressed, thus deform, the part of radial outside periphery
External diameter is elongated (long external diameter) further.In contrast, in the situation using seal member in the way of radial outside is restrained
Under, it is believed that owing to being not susceptible to the deformation of long external diameter during such pressing, therefore, it is possible to the subtracting of suppression bounce
Few.
(5) use-case is made
Situation about being used as the seal member of the electrode perimeter of battery with regard to packing ring 51, Figure 23 shows by by
The example of the state before pressure, shows the example of the use state being pressed in Figure 24.
It is provided with through along the vertical direction at the upper cover 63 of this battery and a part of insulating lid 62 of covering upper cover 63
Through portion.It in this through portion, is provided with the rivet pin 61 being used as electrode etc. by riveting.This rivet pin 61 is by metal structure
Become, have and be connected to each other and the pin top 61a of integration and pin bottom 61b.
In the state of the pin top 61a of rivet pin 61 is before being riveted, there is following shape as shown in figure 23: external diameter is less than
The cylindrical shape of the internal diameter of above-mentioned through portion from than upper cover 63 height on the lower through the inner side of above-mentioned through portion and along upper
Lower direction reaches and extends to than upper cover 63 height by the top.
In the state of the pin bottom 61b of rivet pin 61 is before being riveted, there is following shape as shown in figure 23: external diameter is more than
The cylindrical shape of the internal diameter of above-mentioned through portion prolongs further towards lower section from the lower end of pin top 61a in the lower section of upper cover 63
Stretch.The constraint component 64 that the pin bottom 61b of this rivet pin 61 is made up of the high parts of rigidity is from covering radially around.In addition,
This constraint component 64 is made to be fixed to relatively to move relative to such as upper cover 63 by utilizing other not shown parts,
Thus this constraint component 64 is positioned.
Packing ring 51 is configured between upper cover the 63rd, between insulating lid 62 and constraint component 64 and rivet pin 61, has top
Cylindrical portions 51a, plectane part 51b and lower section cylindrical portions 51c.
Top cylindrical portions 51a has the external diameter of the slightly smaller than internal diameter of the through portion of the inner side of upper cover 63 and insulating lid 62
With the internal diameter of the external diameter of the pin top 61a slightly larger than rivet pin 61, and have and pass through through above-mentioned from than upper cover 63 height on the lower
The inner side of logical part reaches the shape extending to than upper cover 63 height by the top along the vertical direction.Top cylindrical portions 51a is situated between
Between the pin top 61a of upper cover 63 and insulating lid 62 and rivet pin 61, thus both are insulated.
Lower section cylindrical portions 51c has internal diameter and the slightly smaller than constraint of the external diameter of the pin bottom 61b slightly larger than rivet pin 61
The external diameter of the internal diameter of parts 64, and there is the periphery of pin bottom 61b from rivet pin 61 and the inner circumferential of constraint component 64 is opposed
Height and position plays the shape that the lower surface towards upper cover 63 extends upward.Lower section cylindrical portions 51c is between the pin of rivet pin 61
Between bottom 61b and constraint component 64, thus both are insulated.
Plectane part 51b is to be extended to the lower end periphery part of top cylindrical portions 51a and lower section cylindrical portions 51c
The parts that upper end inner peripheral portion couples together diametrically, shape as configuration example seal member described above 10.Plectane portion
The radial outside end dividing 51b has: planar section on outside, its following table plane-plane contact with upper cover 63；With outside lower plane
Part, the upper surface part facet of its pin bottom 61b with rivet pin 61 contacts.Than planar section on outside in plectane part 51b
Lean on the part of radially inner side to become upper and lower surface with outside lower facet to be inclined on inside being radially oriented
The structure of the lower thickness in lower direction.It although in addition, be not particularly limited, but making in use-case at this, is configured to so: outside from footpath
Side is until the lower end periphery of cylindrical portions 51a above Dao Daing, with being radially oriented inner side and the thickness of above-below direction becomes continuously
Thin but it also may for example above will reaching, the part of the lower end periphery of cylindrical portions 51a arranges the thickness of above-below direction admittedly
Fixed part.Additionally, in plectane part 51b radially, it is provided with the portion of the upper planar section in outside and outside lower facet
The ratio of the length point with the radial direction than this part part in the inner part is not particularly limited, but is for example being riveted as shown in figure 23
In the state of front, the scope of preferably 1:9～5:5.
As described above, for the rivet pin 61 of the state before being riveted shown in Figure 23, at the restrained parts of packing ring 51 64
The upper end of the pin top 61a of rivet pin 61, in the state of moving radially, is flattened downward by constraint, thus rivet pin 61
Pin top 61a is crushed, and deformation pin top 61a ' is deformed into the top covering from above packing ring 51 like that as of fig. 24
The upper end of cylindrical portions 51a.Additionally, now, plectane part 51b of packing ring 51 is capped bottom surface section and the rivet pin 61 of 63
The upper surface portion of pin bottom 61b press from above-below direction, and deform in the way of the thickness of above-below direction diminishes.So,
Packing ring 51 is restrained diametrically and is fixed in the state of being pressed from above-below direction and becomes use state.In addition, this
In, with regard to top cylindrical portions 51a of packing ring 51, also deform in the way of the length of above-below direction shortens.
In addition, in the state of after being riveted as shown in figure 24, be provided with packing ring 51 plectane part 51b radially
The ratio of the length with the radial direction than this part part in the inner part for the part of planar section and outside lower facet on outside
It is not particularly limited, but it is preferred that such as 7:3～9.5:1.
INDUSTRIAL APPLICABILITY
Even if owing to the seal member of the present invention also can be well sealed effect in the case of long-time use,
Therefore particularly useful in the case of being used for example as packing ring etc..
Label declaration
10th, 10X, the 110th, the 210th, the 310th, the 410th, the 510th, the 610th, 710: seal member
11: cylindrical portions
111: projected square part
211: the part being through
12nd, the 112nd, 212: periphery
13rd, 13x, 13y, 13z: upper surface
313rd, the 413rd, the 513rd, 613: upper section
713a: inclined upward part
713b: top planar section
14th, 14x, 14y, 14z: lower surface
714a: inclined downward part
714b: lower, planar part
314th, the 414th, the 514th, 614: section below
20: constraint component
51: packing ring
51a: top cylindrical portions
51b: plectane part
51c: lower section cylindrical portions
61: rivet pin
61a: pin top
61a ': deformation pin top
61b: pin bottom
62: insulating lid
63: upper cover
64: constraint component
Prior art literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2013-157155 publication
Claims (6)
1. a seal member, it is ring-type seal member, and this seal member is characterised by,
This seal member is being used in the state of being pressed from side and the opposite side in through direction, including this through direction is
Through direction in the through portion of side,
In the state of above-mentioned being pressed, described seal member has the compression factor on the above-mentioned direction being pressed in outside
Part more than the compression factor on the above-mentioned direction being pressed of inner side.
2. seal member according to claim 1, wherein,
Described seal member is configured to, and the above-mentioned thickness being pressed on direction is with increasing from inner side towards outside.
3. seal member according to claim 1 and 2, wherein,
Tensile modulus of elasticity is below 0.8GPa.
4. the seal member according to any one in claims 1 to 3, wherein,
Described seal member comprises (per) fluoropolymer and constitutes.
5. seal member according to claim 4, wherein,
The amount of PFA is more than 50wt% below 100wt%.
6. the seal member according to any one in claim 1 to 5, wherein,
Described seal member is used for battery packing ring.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014039478 | 2014-02-28 | ||
| JP2014-039478 | 2014-02-28 | ||
| PCT/JP2015/055888 WO2015129866A1 (en) | 2014-02-28 | 2015-02-27 | Sealing member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106068413A true CN106068413A (en) | 2016-11-02 |
| CN106068413B CN106068413B (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580010017.8A Active CN106068413B (en) | 2014-02-28 | 2015-02-27 | Seal member |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6011657B2 (en) |
| KR (1) | KR101856892B1 (en) |
| CN (1) | CN106068413B (en) |
| WO (1) | WO2015129866A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113574110A (en) * | 2019-04-05 | 2021-10-29 | 大金工业株式会社 | Compressed member for electrochemical device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI656241B (en) | 2014-11-10 | 2019-04-11 | 瑞士商億諾斯技術公司 | Pad, device including the same, and related method |
| TWI702138B (en) * | 2016-01-19 | 2020-08-21 | 日商大金工業股份有限公司 | Winding structure of resin piping, manufacturing method of winding structure, laying method of resin piping, and resin piping |
| JP7248915B2 (en) * | 2020-09-11 | 2023-03-30 | ダイキン工業株式会社 | Sealing member and cylindrical lithium ion battery |
| JP7121325B1 (en) * | 2021-02-05 | 2022-08-18 | ダイキン工業株式会社 | Sealing material and battery |
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| JP2009212051A (en) * | 2008-03-06 | 2009-09-17 | Fdk Energy Co Ltd | Bobbin type lithium bettry |
| CN103227346A (en) * | 2012-01-27 | 2013-07-31 | 三洋电机株式会社 | Nonaqueous electrolyte secondary battery, method for manufacturing nonaqueous electrolyte secondary battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113574110A (en) * | 2019-04-05 | 2021-10-29 | 大金工业株式会社 | Compressed member for electrochemical device |
| CN113574110B (en) * | 2019-04-05 | 2023-05-26 | 大金工业株式会社 | Compressed member for electrochemical device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101856892B1 (en) | 2018-05-10 |
| JP2015178899A (en) | 2015-10-08 |
| JP6011657B2 (en) | 2016-10-19 |
| KR20160119202A (en) | 2016-10-12 |
| CN106068413B (en) | 2018-08-07 |
| WO2015129866A1 (en) | 2015-09-03 |
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