CN101081341A - Spin-on type clarifier final encapsulation structure - Google Patents
Spin-on type clarifier final encapsulation structure Download PDFInfo
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- CN101081341A CN101081341A CN 200610044527 CN200610044527A CN101081341A CN 101081341 A CN101081341 A CN 101081341A CN 200610044527 CN200610044527 CN 200610044527 CN 200610044527 A CN200610044527 A CN 200610044527A CN 101081341 A CN101081341 A CN 101081341A
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- thread plate
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Abstract
The present invention relates to the sealing structure of rotarily assembled filter, which includes one screwed cover plate assembly and one casing with opened upper end. The screwed cover plate assembly includes one sealing ring fixing board and one screwed cover plate superposed together, the sealing ring fixing board has one central oil hole and one ring slot for holding the sealing ring, and the screwed cover plate inside the casing has one central thread interface for connection to the internal combustion engine and oil inlet holes. The rotarily assembled filter is installed onto internal combustion engine for use, and has high sealing ring deformation resistance, high static strength and high reliability.
Description
Technical field
The present invention relates to a kind of spin-on type clarifier final encapsulation structure.
Background technology
Rotatable filter (comprising oil filter, diesel fuel filter etc.) is used widely in characteristics such as just in light weight because of it, the compact conformation of early seventies in last century, disassembling, assembling and replacing are convenient.
Rotatable filter generally includes parts such as enclosuring structure, sealing ring, filter element part, support spring;
Enclosuring structure comprises the thread plate sub-unit, uncovered and the following shell of end closure in upper end, the thread plate sub-unit is formed by stacking up and down by sealing ring fixed plate and thread plate, there is an oilhole at the center of sealing ring fixed plate, upside has an annular recess that is used for clamping sealing ring, the center of thread plate has and is used for the hickey that is connected with internal combustion engine, the central area is uniform several fuel feed holes circumferentially, thread plate places in the shell, sealing ring fixed plate adopts the crimping mode to be connected with the shell upper end and forms a seal, seal exceeds the outer wall of shell, leaves the gap between the inwall of shell and the outer rim of thread plate.
Rotatable filter is tightened, is installed on the internal combustion engine by the hickey of thread plate and just can use.
During use, the oil plant of internal combustion engine enters in the inner chamber of shell through fuel feed hole, is turning back in the internal combustion engine oil duct after filter element part filters.
In the using property data of rotatable filter except that indexs such as flow resistance, filter efficiency, laboratory life-span, the examination of the mechanical strength properties indexs such as isostatic pressing strength and pulse fatigue strength of having gone back lay special stress on.As 3.13 regulations among China machinery industry standard JB/T5088 " rotary mounting engine oil filter technical conditions ": the static pressure burst test of filter assembly under the effect of 1.5MPa oil pressure, keep-uped pressure 1～5 minute shell do not have breakage and oil impregnate.
In internal combustion engine oil plant system, because the regulating action of pressure limiting valve etc., main oil gallery pressure is 0.3～0.5Mpa under the normal condition.But under situations such as rapid moment that starts of internal combustion engine or cold start-up, oil duct pressure raises rapidly, tends to surpass 1.5Mpa, and is very big to the impact of cleaner.Cleaner inside is when bearing oil pressure, and its weakest part is just in seal, so the height of seal intensity determined the isostatic pressing strength of whole cleaner to a great extent, and the design quality of enclosuring structure has directly determined the height of seal intensity.
Cleaner manufactory should consider the economy of material selection when producing rotatable filter both at home and abroad in the past, must satisfy the performance indications requirement when using again, so shell and sealing ring fixed plate generally adopt the steel plate of 0.5mm.But, owing to leave the gap between the outer casing inner wall in the enclosuring structure and the outer rim of thread plate, make and be in communicating state all the time between the inner chamber of seal and shell, therefore, the oil plant of internal combustion engine will cause direct impact through described gap to seal constantly, so that the banding degree of seal reduces easily, and oil plant occurs and be seeped into phenomenon on the outer shell outer wall through seal.
Recent years, along with the development of domestic and international internal-combustion engine technology, the application of supercharging of internal combustion engine reinforcement technique is more and more, and is more and more higher to the requirement of cleaner mechanical strength properties, a lot of host subscribers have surpassed 1.5Mpa to the requirement of isostatic pressing strength index, have in addition reached 2.0MPa.Therefore cleaner manufactory has to adopt and improves shell and sealing ring fixed plate thickness, selects for use method such as quality plate to satisfy customer requirements, and steel plate thickness often reaches 0.6～0.8mm; Sometimes the steel plate thickness that also needs to make thread plate increases, reach 3～4mm (being generally 2.5mm), so the thickness of steel plate is increasing, has not only increased the manufacturing cost of cleaner greatly, and cause the increase of the weight of cleaner own, use to main frame and bring adverse effect.
At the problems referred to above, each cleaner manufactory is all seeking a solution for a problem, but does not find the optimizing design scheme of enclosuring structure so far as yet.
Summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned prior art, a kind of spin-on type clarifier final encapsulation structure is provided, after rotatable filter adopted this enclosuring structure, its isostatic pressing strength was improved.
For achieving the above object, the invention provides a kind of spin-on type clarifier final encapsulation structure, it comprises the thread plate sub-unit, uncovered and the following shell of end closure in upper end, the thread plate sub-unit is formed by stacking up and down by sealing ring fixed plate and thread plate, there is an oilhole at the center of sealing ring fixed plate, upside has an annular recess that is used for clamping sealing ring, the center of thread plate has and is used for the hickey that is connected with internal combustion engine, the central area is uniform several fuel feed holes circumferentially, thread plate places in the shell, sealing ring fixed plate adopts the crimping mode to be connected with the shell upper end and forms a seal, and the inwall of shell and the outer rim of thread plate closely recline.
After rotatable filter adopts this enclosuring structure, tighten, be installed on the internal combustion engine by the hickey of thread plate and just can use.
Described seal is within the outer wall of shell or is concordant with the outer wall of shell.Like this, undersized seal can be played the effect that improves rotatable filter profile aesthetic feeling.
Adopt after the above structure, because the inwall of shell and the outer rim of thread plate closely recline, seal by shell double thread cover plate like this and contain and seal is blocked, make and be in the liquid sealing state all the time between the inner chamber of seal and shell, when rotatable filter uses, the oil plant of internal combustion engine just can't cause direct impact to seal, and seal is in a safe condition all the time.Therefore, compared with prior art, improve the non-deformability of seal, made the isostatic pressing strength of rotatable filter be improved, guaranteed the dependability of rotatable filter.
Description of drawings
Accompanying drawing is the structure and the scheme of installation of best mode for carrying out the invention.
The specific embodiment
Below in conjunction with accompanying drawing preferred forms of the present invention is specifically described:
Referring to accompanying drawing, spin-on type clarifier final encapsulation structure of the present invention comprises the thread plate sub-unit, uncovered and the following cylinder-like shell 1 of end closure in upper end, the thread plate sub-unit is formed by stacking up and down by welding by the sealing ring fixed plate 5 of circle and circular thread plate 2, there is a circular oilhole 5a at the center of sealing ring fixed plate 5, upside has an annular recess 5b who is used for clamping sealing ring, the center of thread plate 2 has and is used for the hickey 2b that is connected with internal combustion engine, the central area is uniform 6 fuel feed hole 2a circumferentially, thread plate 2 places in the shell 1, sealing ring fixed plate 5 adopts the crimping mode to be connected with shell 1 upper end and forms a ring-type seal 3, seal 3 is within the outer wall of shell 1, and the outer rim of the inwall of shell 1 and thread plate 2 closely reclines.Seal by shell 1 double thread cover plate 2 like this and contain and seal 3 is blocked, make to be in the liquid sealing state all the time between the inner chamber of seal 3 and shell 1.
Referring to accompanying drawing, after a kind of rotatable filter adopted this enclosuring structure, its structure was:
Described sealing ring 4, sealing ring 6, filter element part 8, support spring 7 belong to the known technology part.
Need to prove that the rotatable filter of other version also can adopt this enclosuring structure.
Among the hickey 2b of the back leakage connection on the internal combustion engine (internal combustion engine and back leakage connection thereof are not shown in the accompanying drawings) precession thread plate 2, sealing ring 4 closely contacts with internal combustion engine, and this rotatable filter just is installed on the internal combustion engine like this, just can use.The above-mentioned mounting means of this rotatable filter also belongs to the known technology part.
During use, the oil plant of internal combustion engine enters in the inner chamber of shell 1 through fuel feed hole 2a, after filtering through filter element part 8, turns back in the internal combustion engine oil duct through back leakage connection.As mentioned above as can be known, all the time be in the liquid sealing state between the inner chamber of seal 3 and shell 1, like this, the oil plant of internal combustion engine just can't cause direct impact to seal 3, and seal 3 is in a safe condition all the time, therefore, compared with prior art, improve the non-deformability of seal 3, made the isostatic pressing strength of this rotatable filter be improved, guaranteed the dependability of this rotatable filter.
Above-described only is preferred implementation of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the principle of the invention, can also make some modification and improvement, these also should be considered as belonging to protection scope of the present invention.Such as: under the precondition that the outer rim of the inwall of guaranteeing shell and thread plate closely reclines, the shape of cross section of shell also can be ellipse or other adapts to shape, and thread plate also can be ellipse or other adapts to the plate body of shape; The thread plate sub-unit also can be formed by stacking up and down by riveted joint by sealing ring fixed plate and thread plate; Seal also can be concordant with the outer wall of shell.
Help to improve its isostatic pressing strength for verifying after rotatable filter adopts this enclosuring structure, rotatable filter adopts existing enclosuring structure and this enclosuring structure respectively, and carry out the test stand performance contrast test of three control groups, result of the test sees Table one (former the sealing in the table one is meant that rotatable filter adopts existing enclosuring structure, originally seals and is meant that rotatable filter adopts this enclosuring structure).
Table one
| Control group one | Control group two | Control group three | ||||
| Former sealing | Originally seal | Former sealing | Originally seal | Former sealing | Originally seal | |
| Outer casing thickness (mm) | 0.5 | 0.5 | 0.6 | 0.6 | 0.7 | 0.7 |
| Sealing ring fixed plate thickness (mm) | 0.5 | 0.5 | 0.6 | 0.6 | 0.7 | 0.7 |
| Thread plate thickness (mm) | 2.5 | 2.5 | 3.0 | 3.0 | 3.5 | 3.5 |
| Rotatable filter isostatic pressing strength (MPa) | 1.5 | 1.8 | 1.5 | 1.9 | 1.5 | 2.0 |
By table one as seen, under the identical precondition of steel plate thickness of making two kinds of enclosuring structures, after rotatable filter adopted this enclosuring structure, its isostatic pressing strength generally improved 0.3～0.5MPa.
Therefore, after rotatable filter adopts existing enclosuring structure and this enclosuring structure respectively, under the identical precondition of oil pressure that both bore, just can adopt the steel plate of thinner thickness to make shell, sealing ring fixed plate and thread plate, can save the cost of steel plate materials like this, make the manufacturing cost of rotatable filter be minimized.
Help to reduce its manufacturing cost for verifying after rotatable filter adopts this enclosuring structure, rotatable filter adopts existing enclosuring structure and this enclosuring structure respectively, and under the identical precondition of oil pressure that both bore, carry out the test stand performance contrast test of three control groups, result of the test sees Table two (former the sealing in the table two is meant that rotatable filter adopts existing enclosuring structure, originally seals and is meant that rotatable filter adopts this enclosuring structure).
Table two
| Control group one | Control group two | Control group three | ||||
| Former sealing | Originally seal | Former sealing | Originally seal | Former sealing | Originally seal | |
| Outer casing thickness (mm) | 0.5 | 0.4 | 0.6 | 0.5 | 0.7 | 0.6 |
| Sealing ring fixed plate thickness (mm) | 0.5 | 0.4 | 0.6 | 0.5 | 0.7 | 0.6 |
| Thread plate thickness (mm) | 2.5 | 2.0 | 3.0 | 2.5 | 3.5 | 3.0 |
| Rotatable filter isostatic pressing strength (MPa) | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
By table two as seen, under described two kinds of preconditions that the oil pressure that rotatable filter bore is identical, after rotatable filter adopts this enclosuring structure, just can adopt the steel plate of reduced thickness 14～20% to make shell, sealing ring fixed plate and thread plate, calculate in view of the above, the cost of steel plate materials can be saved more than 15%, thereby greatly reduces the manufacturing cost of rotatable filter.
Production capacity with the applicant's rotatable filter is calculated, and makes that shell, sealing ring fixed plate and thread plate are annual to need to consume 10,000 tons of steel plates, about 6,000 ten thousand yuan of cost.After rotatable filter adopts this enclosuring structure,, will reduce expenses every year 9000000 yuan by 15%.
Claims (2)
1, spin-on type clarifier final encapsulation structure, it comprises the thread plate sub-unit, uncovered and the following shell of end closure in upper end, the thread plate sub-unit is formed by stacking up and down by sealing ring fixed plate and thread plate, there is an oilhole at the center of sealing ring fixed plate, upside has an annular recess that is used for clamping sealing ring, the center of thread plate has and is used for the hickey that is connected with internal combustion engine, the central area is uniform several fuel feed holes circumferentially, thread plate places in the shell, sealing ring fixed plate adopts the crimping mode to be connected with the shell upper end and forms a seal, and it is characterized in that: the inwall of shell and the outer rim of thread plate closely recline.
2, spin-on type clarifier final encapsulation structure according to claim 1 is characterized in that: seal is within the outer wall of shell or is concordant with the outer wall of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610044527 CN101081341A (en) | 2006-05-31 | 2006-05-31 | Spin-on type clarifier final encapsulation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610044527 CN101081341A (en) | 2006-05-31 | 2006-05-31 | Spin-on type clarifier final encapsulation structure |
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| CN101081341A true CN101081341A (en) | 2007-12-05 |
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| CN 200610044527 Pending CN101081341A (en) | 2006-05-31 | 2006-05-31 | Spin-on type clarifier final encapsulation structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912929A (en) * | 2010-06-24 | 2010-12-15 | 浙江三田滤清器有限公司 | Filter sealing device and application method thereof |
| CN104806394A (en) * | 2015-04-10 | 2015-07-29 | 苏州达菲特过滤技术股份有限公司 | Compact multi-layer star-shaped paper-folded filter |
| CN106321836A (en) * | 2016-09-23 | 2017-01-11 | 成都九十度工业产品设计有限公司 | Retaining plate sealing structure for oil filter |
| CN107075993A (en) * | 2014-08-08 | 2017-08-18 | 克拉克引擎移动解决方案有限责任公司 | Filter cartridge with inner lock rings |
-
2006
- 2006-05-31 CN CN 200610044527 patent/CN101081341A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101912929A (en) * | 2010-06-24 | 2010-12-15 | 浙江三田滤清器有限公司 | Filter sealing device and application method thereof |
| CN101912929B (en) * | 2010-06-24 | 2012-02-29 | 浙江三田滤清器有限公司 | Filter sealing device and application method thereof |
| CN107075993A (en) * | 2014-08-08 | 2017-08-18 | 克拉克引擎移动解决方案有限责任公司 | Filter cartridge with inner lock rings |
| CN107075993B (en) * | 2014-08-08 | 2019-12-06 | 克拉克引擎移动解决方案有限责任公司 | Filter cartridge with internal locking ring |
| CN104806394A (en) * | 2015-04-10 | 2015-07-29 | 苏州达菲特过滤技术股份有限公司 | Compact multi-layer star-shaped paper-folded filter |
| CN106321836A (en) * | 2016-09-23 | 2017-01-11 | 成都九十度工业产品设计有限公司 | Retaining plate sealing structure for oil filter |
| CN106321836B (en) * | 2016-09-23 | 2017-12-12 | 上海丰蓓生物科技有限公司 | A kind of oil rectifier holding plate sealing structure |
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Open date: 20071205 |