CN106321836B - A kind of oil rectifier holding plate sealing structure - Google Patents
A kind of oil rectifier holding plate sealing structure Download PDFInfo
- Publication number
- CN106321836B CN106321836B CN201610844057.9A CN201610844057A CN106321836B CN 106321836 B CN106321836 B CN 106321836B CN 201610844057 A CN201610844057 A CN 201610844057A CN 106321836 B CN106321836 B CN 106321836B
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- holding plate
- oil
- hole
- housing
- parts
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- 238000007789 sealing Methods 0.000 title claims abstract description 74
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 74
- 235000019198 oils Nutrition 0.000 claims description 74
- 239000011347 resin Substances 0.000 claims description 44
- 229920005989 resin Polymers 0.000 claims description 44
- 230000006872 improvement Effects 0.000 claims description 31
- 229920000742 Cotton Polymers 0.000 claims description 28
- 238000002156 mixing Methods 0.000 claims description 27
- 229920002635 polyurethane Polymers 0.000 claims description 24
- 239000004814 polyurethane Substances 0.000 claims description 24
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 21
- 229920002334 Spandex Polymers 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 13
- -1 polytetrafluoroethylene Polymers 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 239000007822 coupling agent Substances 0.000 claims description 8
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 230000015271 coagulation Effects 0.000 claims description 7
- 238000005345 coagulation Methods 0.000 claims description 7
- 229940008099 dimethicone Drugs 0.000 claims description 7
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 7
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 7
- 239000002270 dispersing agent Substances 0.000 claims description 7
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 7
- 235000021388 linseed oil Nutrition 0.000 claims description 7
- 239000000944 linseed oil Substances 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 7
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 229910002012 Aerosil® Inorganic materials 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims 1
- 239000004327 boric acid Substances 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 239000012974 tin catalyst Substances 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract description 5
- 229920003023 plastic Polymers 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 229910052796 boron Inorganic materials 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 241000219146 Gossypium Species 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 230000010358 mechanical oscillation Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005453 pelletization Methods 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010736 steam turbine oil Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/102—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention discloses a kind of oil rectifier holding plate sealing structure, including housing and support, the lower connecting strap of housing has the round barrel cover of filter element, the bottom of oil inlet, the end of housing upper is provided with into oil hole, enter oil hole bottom, the top of filter element is provided with holding plate, the middle part of holding plate is provided with the annular boss of threaded through hole, the side of the open-ended contact of annular boss and housing is provided with depressed part, depressed part can ordinatedly receive the containment member of the open-ended oil stream between annular boss for blocking housing, the end face that holding plate contacts with shell end inwall is provided with elastic sealing gasket.The present invention on holding plate by using the structure that containment member sealing seals with elastic sealing gasket, efficiently reduce the probability of happening of oil rectifier Leakage, the sealing property of holding plate greatly improved, even if making to be not easy to loosen under the long-term Vibration Condition of holding plate, and then enhance the working stability performance of oil rectifier.
Description
Technical field
The present invention relates to gasoline filter seals technical field, more particularly to a kind of oil rectifier is sealed with holding plate
Structure.
Background technology
Usual automobile using cleaner can all include a housing and support, and housing and support are detachably connected.On support often
Oil inlet and oil-out are set, the lower end of housing is connected with being equipped with the cylinder thread seal of filter element, the other end of housing to
Stretch to form end in center, end is provided with through hole, for the oil inlet on connection support, is provided with and keeps between end and cylinder
Plate, through hole is again provided with holding plate, to connect the filter chamber in oil inlet and cylinder.Holding plate not only play connection housing and
The effect of cylinder filter chamber, also play a part of sealing oil inlet and oil-out, therefore, the quality of holding plate performance and tightness
Directly affect the job stability of cleaner.
In the existing oil rectifier used, the mechanical oscillation of engine drive oil rectifier vibration, due to holding plate with
Support, housing, cylinder are to be rigidly connected, and mechanical oscillation can cause holding plate to loosen, and then joint gap occur, between connection
The appearance of gap can be such that the through hole on the through hole and holding plate of the end of housing is not on same axis, and oil circuit is changed into bent from straight line
Local permeability phenomenon can occur for line, holding plate junction, because steam turbine oil has corrosivity, particularly added with the vapour for saving finish
Machine oil, these oil oozed out can corrode seal interface, and then cause sealing property to be greatly reduced, and when serious, then oil-feed can occur
The oil of mouth is scurried into oil-out, have impact on the job stability of cleaner.Simultaneously as cleaner needs to change filter core often,
Easily make to loosen in the holding plate that factory fixes through machine, it is this loosening also result in holding plate connection it is unstable, make guarantor
Hold Board position to shift, during engine mechanical oscillation, after this deviation is constantly exaggerated, also results in oil circuit and lead to
Road is obstructed, expands joint gap, causes tightness insufficient, and then Leakage occur.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, there is provided a kind of oil rectifier is sealed with holding plate
Structure, to solve the problems, such as holding plate sealing property deficiency.
The technical solution adopted by the present invention is as follows：A kind of oil rectifier holding plate sealing structure, including housing and support,
Round barrel cover of the lower seal connection with filter element of housing, support are provided with oil inlet and oil-out, the bottom of oil inlet,
The end of housing upper is provided with into oil hole, enters oil hole bottom, and the top of filter element is provided with holding plate, and holding plate passes through
Nut member is sealedly and fixedly connected at the oil-out of support, and the middle part of holding plate is provided with the annular boss of threaded through hole, ring
The side of the open-ended contact of shape boss and housing is provided with depressed part, and depressed part can be received ordinatedly for blocking housing
The open-ended oil stream between annular boss containment member, the end face that holding plate contacts with shell end inwall is provided with
Elastic sealing gasket.
Due to the setting of said structure, in the prior art, typically it is provided between holding plate and shell end inwall
Drainback passage, this setup are little to oil flow pressure regulating effect, are mainly used for providing installation gap, to improve housing
The versatility installed between holding plate, but this setup can not avoid oil stream from scurrying into connection gap and then corrode connection
Interface, cause the problem of tightness declines between holding plate and shell end inwall, the end of housing is blocked by containment member
Oil stream between portion's opening and annular boss, while enough installation gaps are provided, make holding plate and shell end inwall
Between without oil stream, and then avoid the problem of oil stream scurries into connection gap and corrodes linkage interface, ensure that holding plate and housing
Tightness between inner wall of end；The setting of elastic sealing gasket, then it is for sealing between holding plate and shell end inwall
Contact gap and absorb mechanical oscillation, make holding plate try one's best with nut member keep same frequency vibration, between elimination because
The thread looseness phenomenon that vibration frequency is different and occurs, prevent oil stream from penetrating into and corrode holding plate and the threaded connection of nut member
Place and the generation for causing oil leak, significantly reduce influence of the housing of different vibration frequencies to holding plate vibration frequency, on the whole,
Containment member and elastic sealing gasket are used cooperatively, and the sealing property of holding plate greatly improved, even if making holding plate is long-term to shake
It is not easy to loosen in the case of dynamic, and then prevents the generation of Leakage.
Further, scurried into prevent the through hole on holding plate and enter the oil of oil hole in installation gap, on holding plate
Through hole is coaxially disposed and by the first seal ring seal contact gap with entering oil hole.By the sealing function of the first sealing ring,
Make oil stream can only be via entering oil hole and through hole flows through.
Further, in order to prevent in vibration processes, the first sealing ring occurs relative displacement and influences tightness, holding plate
On through hole edge protrude to form through hole boss, the first seal ring set is on through hole boss, and the thickness of the first sealing ring is not small
In the height of through hole boss.Through hole and when entering oil hole relative offset occurring on the same axis, the first sealing ring can be close to
Through hole and the wall for entering oil hole, and oil inlet passage is placed in the first sealing ring all the time, and then ensure that tightness.
As an improvement technical scheme, through hole is interior to be provided with the collar, and the edge outward flanging of collar one end forms shirt rim, skirt
While it is pressed on by the inwall of shell end on the end face of through hole boss.By way of compressing the collar, make through hole wall and oil-feed
Through hole wall can also be in sealing state, and then ensure that tightness in the case of vibration.
Further, in order that elastic sealing gasket has good elasticity and wearability, prevent elastic sealing gasket from occurring to early
Plastic deformation and bonding corrosion contact surface, elastic sealing gasket are poly- by elastomeric polyurethane layer and coated on elastic polyurethane layer surface
Tetrafluoroethene layer forms.
Similarly, in order that the first sealing ring has good elasticity and wearability, prevent the first sealing ring from occurring to early
Plastic deformation and bonding corrosion contact surface, the first sealing ring are poly- by elastomeric polyurethane layer and coated on elastic polyurethane layer surface
Tetrafluoroethene layer forms.
Further, in order to prevent the gap following current that upper end of the oil stream through holding plate and nut are connected to screw thread from connecting
The place of connecing and oil leak occurs, the gap that the upper end of holding plate is connected with nut is provided with the second sealing ring, the second sealing ring
The gap that upper end full of holding plate is connected with nut, with sealed airspace part.
Further, it is contemplated that the weatherability of elastic polyurethane, while in view of plasticity easily occurs in long-term extrusion process
Deform and influence sealing property, elastomeric polyurethane layer uses elastane, and elastane is by following parts by weight
Material composition：TPU resin 90-95 parts, wax powder 2-5 parts, aerosil 12-15 parts, cotton fiber 6-8 parts, coupling agent 1-2
Part, antioxidant 0.5-1 parts, levelling agent 0.5-1 parts, dispersant 0.5-1 parts, cotton fiber is by white cotton through roller gin preliminary working
Be made after the white cotton linter fiber that obtains afterwards is scattered, TPU resins are the TPU resins after improvement, the TPU resins after the improvement by
Following steps are made：
Step 1, by mass ratio be 26% dimethicone, 38.5% TPR and 6% linseed oil be placed in turbine stirrer
In be uniformly mixed, and mixed liquor is heated to 100 DEG C, the organic siliconresin that mass ratio is 7% is heated to 160 DEG C to molten
After melting, it is added in mixed liquor, keeps the temperature of mixed liquor at 100 DEG C, stirs 3h with 600rad/min mixing speed, obtain
Mixed liquor；
Step 2, the talcum powder by mass ratio is 10.8%, 3.2% zinc stearate, 1.5% triethylamine nertralizer, 0.5%
Organotin catalysts and 4.3% erucyl amide be uniformly mixed in agitator after add step 1 mixed liquor in stir
Well mixed, the mixed liquor after being then well mixed delivers to banburying 8h in banbury, is eventually adding the boron that mass ratio is 2.2%
Acid allows its coagulation forming.
In above-mentioned, the addition of organic siliconresin can make TPU resins have the excellent characteristic such as heat-resisting, cold-resistant, make sealing ring
The working environment of oil rectifier is can adapt to, adds the stability of TPU resin matrixes, TPU resin matrix anti-aging effects
It is good, the combination property using TPU resins as the elastic polyurethane of matrix can be greatly improved；Talcum powder can improve TPU resin bases
The hardness of body, the skin-friction coefficient of TPU resins is reduced, makes elastane that there is excellent toughness and stability；Cotton
The use of fiber can not only greatly improve the toughness, wearability and tear resistance of elastane, moreover it is possible to make polyurethane
Body keeps good elasticity in long-term use, and the rate of plastic deformation of polyurethane is greatly reduced, polyurethane body is grown
The stability of phase holding structure and size.
Further, the preparation technology of elastane comprises the following steps：
Step 1, cotton fiber and TPU resins are placed under 50 DEG C of hot blasts and fully dried, make cotton fiber and TPU resins
Water content is in below 0.06wt%；
Step 2, according to proportioning each component is weighed, TPU resins, aerosil, cotton fiber, coupling agent, resist wax powder
Oxidant and levelling agent are placed in agitator, are uniformly mixed under 600rad/min mixing speed at 90 DEG C, then
Add cotton fiber to be uniformly dispersed with dispersion machine, reduce the temperature of batch mixing to 80 DEG C, be incubated 2min, then batch mixing is thrown into banbury
The banburying 4-5h at 110-120 DEG C；
It is step 3, the batch mixing tablet press machine obtained after step 2 banburying is compressing.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1st, the open-ended oil stream between annular boss of housing is blocked by containment member, enough peaces are being provided
While filling gap, make between holding plate and shell end inwall without oil stream, and then avoid oil stream and scurry into connection gap and rotten
The problem of losing linkage interface, ensure that the tightness between holding plate and shell end inwall；
2nd, the setting of elastic sealing gasket is then for sealing contact gap and suction between holding plate and shell end inwall
Mechanical oscillation are received, holding plate is tried one's best and the vibration of same frequency is kept with nut member, because vibration frequency is different between elimination
And occur thread looseness phenomenon, prevent oil stream penetrate into and corrode holding plate and the threaded connection place of nut member and cause oil leak
Generation, significantly reduce influence of the housing of different vibration frequencies to holding plate vibration frequency；
3rd, the present invention is effectively subtracted by using the structure that containment member seals and elastic sealing gasket seals on holding plate
The small probability of happening of oil rectifier Leakage, greatly improved the sealing property of holding plate, even if making holding plate long-term
It is not easy to loosen under Vibration Condition, and then enhances the working stability performance of oil rectifier.
Brief description of the drawings
Fig. 1 is a kind of oil rectifier holding plate sealed structural representation of the present invention；
Fig. 2 is the mplifying structure schematic diagram of part A in Fig. 1；
Fig. 3 is another situation of Fig. 2 structures；
Fig. 4 is the elastic sealing gasket cross-sectional view of the present invention；
Fig. 5 is the sealing ring cross-sectional view of the present invention.
Marked in figure：1 is housing, and 2 be support, and 201 be oil inlet, and 202 be oil-out, and 3 be filter element, and 4 be oil-feed
Through hole, 5 be holding plate, and 501 be through hole, and 6 be nut member, and 7 be annular boss, and 8 be open-ended, and 9 be depressed part, and 10 be close
Component is sealed, 11 be elastic sealing gasket, and 1101 be elastomeric polyurethane layer, and 1102 be polytetrafluoroethylene floor, and 12 be the first sealing ring, 13
It is the collar for through hole boss, 14,1401 be shirt rim, and 15 be gap.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figures 1 to 5, a kind of oil rectifier holding plate sealing structure, including housing 1 and support 2, housing 1
Round barrel cover of the lower seal connection with filter element 3, support 2 are provided with oil inlet 201 and oil-out 202, oil inlet 201
Bottom, the end on the top of housing 1 are provided with into oil hole 4, enter the bottom of oil hole 4, and the top of filter element 3 is provided with holding plate 5,
Holding plate 5 is sealedly and fixedly connected at the oil-out 202 of support 2 by nut member 6, and the middle part of holding plate 5 is provided with threaded
The annular boss 7 of through hole, annular boss 7 are provided with depressed part 9, the energy of depressed part 9 with open-ended 8 sides contacted of housing 1
Enough containment members 10 ordinatedly received for blocking the oil stream between open-ended the 8 of housing 1 and annular boss 7, it is preferable that
Containment member 10 is O-ring seal, and the end face that holding plate 5 contacts with the inner wall of end of housing 1 is provided with elastic sealing gasket 11.
As an improvement ground embodiment, in order to prevent the through hole 501 on holding plate 5 from being scurried into entering the oil of oil hole 4
Install in gap, as shown in Figures 2 and 3, the through hole 501 on holding plate 5 is coaxially disposed and by the first sealing with entering oil hole 4
12 gap in sealing contact of ring.By the sealing function of the first sealing ring 12, make oil stream can only be via entering oil hole 4 and through hole 501
Flow through.
As an improvement ground embodiment, in order to prevent in vibration processes, relative displacement occurs for the first sealing ring 12
And tightness is influenceed, as shown in Fig. 2 the edge of through hole 501 on holding plate 5 protrudes and to form through hole boss 13, the first sealing ring 12
It is placed on through hole boss 13, and the thickness of the first sealing ring 12 is not less than the height of through hole boss 13.Through hole 501 and enter oil hole
4 when occurring relative skew on the same axis, and the first sealing ring 12 can be close to through hole 501 and enter the wall of oil hole 4, and begin
Oil inlet passage is placed in the first sealing ring 12 eventually, and then ensure that tightness.
As an improvement ground embodiment, as shown in figure 3, being provided with the collar 14, the edge of the one end of the collar 14 in through hole 501
Outward flanging forms shirt rim 1401, and shirt rim 1401 is pressed on the end face of through hole boss 13 by the inwall of the end of housing 1.Pass through pressure
The mode of tight set ring 14, even if making through hole wall and entering the wall of oil hole 4 in the case of vibrations, sealing state can be also in,
And then it ensure that tightness.
As an improvement ground embodiment, in order that elastic sealing gasket 11 has good elasticity and wearability, is prevented
Plastic deformation and bonding corrosion contact surface occurs to early in elastic sealing gasket 11, as shown in figure 4, elastic sealing gasket 11 is by the poly- ammonia of elasticity
Ester layer 1101 and polytetrafluoroethylene floor 1102 coated on the surface of elastomeric polyurethane layer 1101 form.
As an improvement ground embodiment, in order that sealing ring 12 has good elasticity and wearability, prevents first
Plastic deformation and bonding corrosion contact surface occurs to early in sealing ring 12, as shown in figure 5, the first sealing ring 12 is by elastomeric polyurethane layer
1101 and the polytetrafluoroethylene floor 1102 coated on the surface of elastomeric polyurethane layer 1101 form.
As an improvement ground embodiment, in order to prevent upper end of the oil stream through holding plate 5 and the sky of nut mating connection
To threaded connection place oil leak occurs for the following current of gap part 15, and the gap 15 that the upper end of holding plate 5 is connected with nut is set
There are the second sealing ring, the gap 15 that upper end of second sealing ring full of holding plate 5 is connected with nut, with sealed airspace
Part 15.
As an improvement ground embodiment, it is contemplated that the weatherability of elastic polyurethane, while in view of being extruded for a long time
During plastic deformation easily occurs and influences sealing property, elastomeric polyurethane layer 1101 use elastane, and elasticity is gathered
Urethane material is made up of the material of following parts by weight：TPU resin 90-95 parts, wax powder 2-5 parts, aerosil 12-15 parts,
Cotton fiber 6-8 parts, coupling agent 1-2 parts, antioxidant 0.5-1 parts, levelling agent 0.5-1 parts, dispersant 0.5-1 parts, cotton fiber by
The white cotton linter fiber obtained after Bai Mianjing roller gin preliminary working is made after disperseing, and TPU resins are the TPU trees after improvement
Fat, the TPU resins after the improvement are made by following steps：
Step 1, by mass ratio be 26% dimethicone, 38.5% TPR and 6% linseed oil be placed in turbine stirrer
In be uniformly mixed, and mixed liquor is heated to 100 DEG C, the organic siliconresin that mass ratio is 7% is heated to 160 DEG C to molten
After melting, it is added in mixed liquor, keeps the temperature of mixed liquor at 100 DEG C, stirs 3h with 600rad/min mixing speed, obtain
Mixed liquor；
Step 2, the talcum powder by mass ratio is 10.8%, 3.2% zinc stearate, 1.5% triethylamine nertralizer, 0.5%
Organotin catalysts and 4.3% erucyl amide be uniformly mixed in agitator after add step 1 mixed liquor in stir
Well mixed, the mixed liquor after being then well mixed delivers to banburying 8h in banbury, is eventually adding the boron that mass ratio is 2.2%
Acid allows its coagulation forming.
Furthermore, it is below the present invention in order to preferably explain and implement the elastane of the present invention
The specific several embodiments of elastane, what deserves to be explained is, following examples are only to explain the present invention, and are not
In order to limit the present invention.
Embodiment one
A kind of elastane, its preparation technology comprise the following steps：
TPU resins after step 1, manufacture improvement, by dimethicone that mass ratio is 26%, 38.5% TPR and 6%
Linseed oil is placed in turbine stirrer and is uniformly mixed, and mixed liquor is heated into 100 DEG C, by the organosilicon that mass ratio is 7%
Resin is heated to 160 DEG C to after melting, and is added in mixed liquor, the temperature of mixed liquor is kept at 100 DEG C, with 600rad/min's
Mixing speed stirs 3h, obtains mixed liquor；
Step 2, the talcum powder by mass ratio is 10.8%, 3.2% zinc stearate, 1.5% triethylamine nertralizer, 0.5%
Organotin catalysts and 4.3% erucyl amide be uniformly mixed in agitator after add step 1 mixed liquor in stir
Well mixed, the mixed liquor after being then well mixed delivers to banburying 8h in banbury, is eventually adding the boron that mass ratio is 2.2%
Acid allows its coagulation forming, is then the TPU resins after improve by Twin screw extruder extruding pelletization, stores standby；
Step 3, the TPU resins after white cotton fiber that length is 3-7mm and improvement are placed under 50 DEG C of hot blasts carry out it is abundant
Dry, make the water content of the TPU resins after white cotton fiber and improvement in below 0.06wt%, it is standby；
Step 4, each component is weighed, by the TPU resins after 90 parts of improvement, 5 parts of wax powder, 15 parts of aerosils, 2
The VTES coupling agent of part, 1 part of antioxidant 168 and 1 part of organic-silicon-modified polysiloxane leveling agents
Be placed in agitator, be uniformly mixed under 600rad/min mixing speed in 90 DEG C, then add 8 parts of white cotton fibers and
1 part of BYK-ATU dispersant is uniformly dispersed with dispersion machine, reduces the temperature of batch mixing to 80 DEG C, is incubated 2min, then batch mixing is thrown to close
In mill at 110 DEG C banburying 4h；
Step 5, by the batch mixing tablet press machine obtained after step 4 banburying it is compressing after, obtain elastic polyurethane product.
Embodiment two
A kind of elastane, its preparation technology comprise the following steps：
TPU resins after step 1, manufacture improvement, by dimethicone that mass ratio is 26%, 38.5% TPR and 6%
Linseed oil is placed in turbine stirrer and is uniformly mixed, and mixed liquor is heated into 100 DEG C, by the organosilicon that mass ratio is 7%
Resin is heated to 160 DEG C to after melting, and is added in mixed liquor, the temperature of mixed liquor is kept at 100 DEG C, with 600rad/min's
Mixing speed stirs 3h, obtains mixed liquor；
Step 2, the talcum powder by mass ratio is 10.8%, 3.2% zinc stearate, 1.5% triethylamine nertralizer, 0.5%
Organotin catalysts and 4.3% erucyl amide be uniformly mixed in agitator after add step 1 mixed liquor in stir
Well mixed, the mixed liquor after being then well mixed delivers to banburying 8h in banbury, is eventually adding the boron that mass ratio is 2.2%
Acid allows its coagulation forming, is then the TPU resins after improve by Twin screw extruder extruding pelletization, stores standby；
Step 3, the TPU resins after white cotton fiber that length is 3-7mm and improvement are placed under 50 DEG C of hot blasts carry out it is abundant
Dry, make the water content of the TPU resins after white cotton fiber and improvement in below 0.06wt%, it is standby；
Step 4, each component is weighed, by the TPU resins after 90 parts of improvement, 5 parts of wax powder, 12 parts of aerosils, 1
The VTES coupling agent of part, 0.5 part of antioxidant 168 and 1 part of organic-silicon-modified polysiloxanes levelling
Agent is placed in agitator, is uniformly mixed under 600rad/min mixing speed in 90 DEG C, then adds 8 parts of white cotton fibers
It is uniformly dispersed with 0.5 part of BYK-ATU dispersant with dispersion machine, reduces the temperature of batch mixing to 80 DEG C, is incubated 2min, then batch mixing is thrown
Into banbury at 115 DEG C banburying 4h；
Step 5, by the batch mixing tablet press machine obtained after step 4 banburying it is compressing after, obtain elastic polyurethane product.
Embodiment three
A kind of elastane, its preparation technology comprise the following steps：
TPU resins after step 1, manufacture improvement, by dimethicone that mass ratio is 26%, 38.5% TPR and 6%
Linseed oil is placed in turbine stirrer and is uniformly mixed, and mixed liquor is heated into 100 DEG C, by the organosilicon that mass ratio is 7%
Resin is heated to 160 DEG C to after melting, and is added in mixed liquor, the temperature of mixed liquor is kept at 100 DEG C, with 600rad/min's
Mixing speed stirs 3h, obtains mixed liquor；
Step 2, the talcum powder by mass ratio is 10.8%, 3.2% zinc stearate, 1.5% triethylamine nertralizer, 0.5%
Organotin catalysts and 4.3% erucyl amide be uniformly mixed in agitator after add step 1 mixed liquor in stir
Well mixed, the mixed liquor after being then well mixed delivers to banburying 8h in banbury, is eventually adding the boron that mass ratio is 2.2%
Acid allows its coagulation forming, is then the TPU resins after improve by Twin screw extruder extruding pelletization, stores standby；
Step 3, the TPU resins after white cotton fiber that length is 3-7mm and improvement are placed under 50 DEG C of hot blasts carry out it is abundant
Dry, make the water content of the TPU resins after white cotton fiber and improvement in below 0.06wt%, it is standby；
Step 4, each component is weighed, by the TPU resins after 92 parts of improvement, 5 parts of wax powder, 13 parts of aerosils, 1
The VTES coupling agent of part, 0.5 part of antioxidant 168 and 1 part of organic-silicon-modified polysiloxanes levelling
Agent is placed in agitator, is uniformly mixed under 600rad/min mixing speed in 90 DEG C, then adds 7 parts of white cotton fibers
Be uniformly dispersed with 1 part of BYK-ATU dispersant with dispersion machine, reduce the temperature of batch mixing to 80 DEG C, be incubated 2min, then by batch mixing throw to
In banbury at 110 DEG C banburying 5h；
Step 5, by the batch mixing tablet press machine obtained after step 4 banburying it is compressing after, obtain elastic polyurethane product.
Example IV
A kind of elastane, its preparation technology comprise the following steps：
TPU resins after step 1, manufacture improvement, by dimethicone that mass ratio is 26%, 38.5% TPR and 6%
Linseed oil is placed in turbine stirrer and is uniformly mixed, and mixed liquor is heated into 100 DEG C, by the organosilicon that mass ratio is 7%
Resin is heated to 160 DEG C to after melting, and is added in mixed liquor, the temperature of mixed liquor is kept at 100 DEG C, with 600rad/min's
Mixing speed stirs 3h, obtains mixed liquor；
Step 2, the talcum powder by mass ratio is 10.8%, 3.2% zinc stearate, 1.5% triethylamine nertralizer, 0.5%
Organotin catalysts and 4.3% erucyl amide be uniformly mixed in agitator after add step 1 mixed liquor in stir
Well mixed, the mixed liquor after being then well mixed delivers to banburying 8h in banbury, is eventually adding the boron that mass ratio is 2.2%
Acid allows its coagulation forming, is then the TPU resins after improve by Twin screw extruder extruding pelletization, stores standby；
Step 3, the TPU resins after white cotton fiber that length is 3-7mm and improvement are placed under 50 DEG C of hot blasts carry out it is abundant
Dry, make the water content of the TPU resins after white cotton fiber and improvement in below 0.06wt%, it is standby；
Step 4, each component is weighed, by the TPU resins after 95 parts of improvement, 2 parts of wax powder, 12 parts of aerosils, 1
The VTES coupling agent of part, 0.5 part of antioxidant 168 and 0.5 part of organic-silicon-modified polysiloxanes stream
Flat agent is placed in agitator, is uniformly mixed under 600rad/min mixing speed in 90 DEG C, and it is fine then to add 6 parts of white cottons
0.5 part of BYK-ATU dispersant of peacekeeping is uniformly dispersed with dispersion machine, reduces the temperature of batch mixing to 80 DEG C, is incubated 2min, then by batch mixing
Throwing banburying 4h at 120 DEG C into banbury；
Step 5, by the batch mixing tablet press machine obtained after step 4 banburying it is compressing after, obtain elastic polyurethane product.
If elastic polyurethane product obtained above is respectively taken into dry sample, tested with testing equipments such as universal testing machines
The main performance of elastane obtains, and the tensile strength of elastane reaches 13MPa, and tearing toughness reaches
23KN/m, ageing resistance reach 8%, and the rate of plastic deformation is minimum to reach 0.27%, have outstanding combination property.（Note：Ageing resistance
It is that the decline percentage for surveying its performance after aging for a week in artificial accelerated aging case obtains, the test of plastic deformation is 1000
Measured after secondary Quick bending）
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (6)
1. a kind of oil rectifier holding plate sealing structure, including housing and support, the lower seal connection of housing is with filtering
The round barrel cover of element, support are provided with oil inlet and oil-out, and the bottom of oil inlet, the end of housing upper lead to provided with oil-feed
Hole, enters oil hole bottom, the top of filter element is provided with holding plate, and holding plate is sealedly and fixedly connected in support by nut member
Oil-out at, it is characterised in that the middle part of holding plate is provided with the annular boss of threaded through hole, the end of annular boss and housing
The side of portion's opening contact is provided with depressed part, and depressed part can be received ordinatedly for blocking the open-ended and annular of housing
The containment member of oil stream between boss, the end face that holding plate contacts with shell end inwall are provided with elastic sealing gasket；Keep
Through hole on plate is coaxially disposed and by the first seal ring seal contact gap with entering oil hole；Dash forward at through hole edge on holding plate
Go out to be formed through hole boss, the first seal ring set is on through hole boss, and the thickness of the first sealing ring is not less than the height of through hole boss
Degree.
2. oil rectifier as claimed in claim 1 holding plate sealing structure, it is characterised in that be provided with the collar in through hole, cover
The edge outward flanging of ring one end forms shirt rim, and shirt rim is pressed on by the inwall of shell end on the end face of through hole boss.
3. oil rectifier as claimed in claim 1 holding plate sealing structure, it is characterised in that elastic sealing gasket is poly- by elasticity
Urethane layer and the polytetrafluoroethylene floor composition coated on elastic polyurethane layer surface.
4. oil rectifier as claimed in claim 1 holding plate sealing structure, it is characterised in that the first sealing ring is poly- by elasticity
Urethane layer and the polytetrafluoroethylene floor composition coated on elastic polyurethane layer surface.
5. oil rectifier as claimed in claim 1 holding plate sealing structure, it is characterised in that the upper end of holding plate and nut
The gap of mating connection is provided with the second sealing ring, the sky that upper end of second sealing ring full of holding plate is connected with nut
Gap part.
6. the oil rectifier holding plate sealing structure as described in claim 3 or 4, it is characterised in that elastomeric polyurethane layer is adopted
With elastane, elastane is made up of the material of following parts by weight：TPU resin 90-95 parts, wax powder 2-5
Part, aerosil 12-15 parts, cotton fiber 6-8 parts, coupling agent 1-2 parts, antioxidant 0.5-1 parts, levelling agent 0.5-1 parts,
Dispersant 0.5-1 parts, the white cotton linter fiber that cotton fiber is obtained by white cotton after roller gin preliminary working are made after disperseing,
For the TPU resins after improvement, the TPU resins after the improvement are made TPU resins by following steps：
Step 1, dimethicone that mass ratio is 26%, 38.5% TPR and 6% linseed oil be placed in turbine stirrer and stirred
Mix well mixed, and mixed liquor be heated to 100 DEG C, the organic siliconresin that mass ratio is 7% is heated to 160 DEG C to after melting,
It is added in mixed liquor, keeps the temperature of mixed liquor at 100 DEG C, stirs 3h with 600rad/min mixing speed, mixed
Liquid；
Step 2, the talcum powder by mass ratio is 10.8%, 3.2% zinc stearate, 1.5% triethylamine nertralizer, 0.5% have
Machine tin catalyst and 4.3% erucyl amide are added in the mixed liquor of step 1 after being uniformly mixed in agitator and are stirred
Uniformly, the mixed liquor after then will be well mixed delivers to banburying 8h in banbury, is eventually adding the boric acid that mass ratio is 2.2% and allows
Its coagulation forming.
Priority Applications (2)
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| CN201710961961.2A CN107882988A (en) | 2016-09-23 | 2016-09-23 | A kind of elastane |
| CN201610844057.9A CN106321836B (en) | 2016-09-23 | 2016-09-23 | A kind of oil rectifier holding plate sealing structure |
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| CN110725954A (en) * | 2019-11-18 | 2020-01-24 | 广州市阪上橡胶制品有限公司 | Novel hydraulic wear-resistant sealing ring and processing technology |
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| CN107882988A (en) | 2018-04-06 |
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