CN105443191A - Oil filter for diesel engine - Google Patents
Oil filter for diesel engine Download PDFInfo
- Publication number
- CN105443191A CN105443191A CN201511007881.0A CN201511007881A CN105443191A CN 105443191 A CN105443191 A CN 105443191A CN 201511007881 A CN201511007881 A CN 201511007881A CN 105443191 A CN105443191 A CN 105443191A
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- CN
- China
- Prior art keywords
- filter
- chimney filter
- interior chimney
- outer tube
- diesel engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an oil filter for a diesel engine. The oil filter comprises a shell, a filter element and a prefiltration unit, wherein the filter element and the prefiltration unit are both arranged in the shell; the prefiltration unit comprises an outer pipe and an inner filter pipe of which the pipe wall is provided with a multi-hole filter structure; the upper pipe opening of the outer pipe is sealed; the lower pipe opening is connected with the inlet of the filter element; the inner filter pipe is arranged in the outer pipe; and the upper pipe opening of the inner filter pipe is an oil inlet; and the lower pipe opening is connected with the upper end of the inner filter pipe to form circulation. According to the oil filter disclosed by the invention, during filtering, the filtering effect is good, and clogging is not caused easily.
Description
Technical field
The present invention relates to a kind of fuel filtration device, especially relate to a kind of oil filter used for diesel engine.
Background technique
In engine working process, carbon distribution oxidized under metal filings, dust, high temperature and gelatinous precipitate, water etc. are constantly mixed in machine oil, the effect of oil filter used for diesel engine is exactly filter these mechanical admixtures and colloid, keeps the clean of lubricant oil, extends its life time.
At present, the impurity that oil filter used for diesel engine is filtered generally has metal filings, dust, carbon distribution oxidized under high temperature and gelatinous precipitate and water, the particle diameter of these impurity has a long way to go, generally be divided into Large stone impurity and small particle diameter impurity, and existing oil filter used for diesel engine, its maximum shortcoming is exactly easily blocked, and after using a period of time, its filtering efficiency reduces, this is all because filter paper is caused by after the blocking of Large stone impurity, after filter paper blocked by Large stone filter paper, if continue the words used, along with pressure constantly increases, filtering paper structure is destroyed, impurity is caused to pass through filter paper, the poor filtration effect of oil filter used for diesel engine current in a word, and easily block, so need certain improvement.
In view of above-mentioned defect, creator of the present invention obtains this creation finally through long research and practice.
Summary of the invention
The object of the invention is to, a kind of oil filter used for diesel engine is provided, in order to overcome above-mentioned technological deficiency.
For achieving the above object, the technical solution used in the present invention is, a kind of oil filter used for diesel engine is provided, comprise shell, filter core and coarse filtration unit, described filter core and described coarse filtration unit are all arranged in described shell, described coarse filtration unit comprises on outer tube and tube wall with chimney filter in porous filtering structure, the upper orifice of described outer tube is closed and is arranged, its lower nozzle is connected with the entrance of described filter core, described interior chimney filter is arranged in described outer tube, and the upper orifice of described interior chimney filter is filler opening, its lower nozzle is connected with the upper end of described interior chimney filter thus is formed and circulates.
Preferably, the upper orifice external diameter of described interior chimney filter is identical with the upper orifice internal diameter of described outer tube, thus makes the upper end of described interior chimney filter block the upper end of described outer tube.
Preferably, the outer wall of described interior chimney filter upper orifice is fixedly connected with between the inwall of described outer tube upper orifice.
Preferably, described interior chimney filter is provided with plenum, flows into the pressure of described interior chimney filter inner engine oil for amplification.
Preferably, described plenum is funnel-like, and it is reduced to be formed by the internal diameter of described interior chimney filter upper end gradually.
Preferably, the upper orifice of described interior chimney filter is also provided with one-way valve.
Beneficial effect of the present invention is compared with the prior art: when filtering, and its good filtration effect is not easy blocking; Make the upper end of interior chimney filter block the upper end of outer tube, the machine oil after enough making interior chimney filter leach flows into filter core along outer tube, and simple and reasonable; Interior chimney filter upper end is fixedly connected with within the outer tube, can prevents it from coming off; Plenum can improve overpressure, thus improves the interior filtering effect of chimney filter and the efficiency of filtration; After having installed one-way valve additional, machine oil adverse current can be prevented.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of oil filter used for diesel engine of the present invention.
In figure: 1-shell; 2-filter core; 21-the first side wall; 22-second sidewall; 23-the 3rd sidewall; 3-outer tube; Chimney filter in 4-; 5-plenum; 6-one-way valve; 81-first erection column; 82-second erection column.
Embodiment
Below in conjunction with accompanying drawing, to above-mentioned being described in more detail with other technical characteristics and advantage of the present invention.
As shown in Figure 1, a kind of oil filter used for diesel engine, comprise shell 1, filter core 2 and coarse filtration unit, filter core 2 is common paper filter core 2, filter core 2 similar of itself and common oil filter used for diesel engine, after machine oil enters filter core 2, coarse filtration unit is mounted in the unit on filter core 2, for first by the impurity of Large stone to filtering out, because its quantity of impurity of Large stone is maximum, the most easily cause blocking, so coarse filtration unit is a kind of special structure, can on the basis of filtering Large stone impurity, prevent blocking, described filter core 2 is all arranged in described shell 1 with described coarse filtration unit, and shell 1 is sealing, prevent oil leakage, described coarse filtration unit comprises on outer tube 3 and tube wall with chimney filter 4 in porous filtering structure, the screen pipe of this pipeline and tubular filter is similar, all be made up of porous hollow fiber material, it just in time can filter the impurity of Large stone, when filtering, machine oil is extruded outside tube wall by overpressure, being similar to machine oil flows in outer tube 3 from the tube wall through interior chimney filter 4, the upper orifice of described outer tube 3 is closed and is arranged, its lower nozzle is connected with the entrance of described filter core 2, described interior chimney filter 4 is arranged in described outer tube 3, and the upper orifice of described interior chimney filter 4 is filler opening, its lower nozzle is connected with the upper end of described interior chimney filter 4 thus is formed and circulates, when so just can prevent machine oil from flowing in outer tube 3 from interior chimney filter 4, only flow in filter core 2 from the lower nozzle of outer tube 3, instead of flow out from upper orifice, thus the pipeline that formation one is closed, it operationally, machine oil enters interior chimney filter 4, because it is with certain pressure, and constantly circulate in interior chimney filter 4, the tube wall of the internal chimney filter 4 of meeting produces larger pressure, the impurity of the Large stone in machine oil by interior chimney filter 4 to filtering out, and flow out from the tube wall of interior chimney filter 4, then enter in outer tube 3, then flow into filter core 2 from outer tube 3 and filter, because the impurity accounting for most Large stone in now machine oil has been filtered, so greatly reduce the working load of filter core 2, improve overall filtering effect, avoid and hold susceptible to plugging shortcoming.
On the basis of above-mentioned mode of execution, the upper orifice external diameter of described interior chimney filter 4 is identical with the upper orifice internal diameter of described outer tube 3, thus make the upper end of described interior chimney filter 4 block the upper end of described outer tube 3, be exactly the upper orifice being clogged outer tube 3 by the upper orifice of interior chimney filter 4 in fact, machine oil after interior chimney filter 4 can be made like this to leach flows into filter core 2 along outer tube 3, and simple and reasonable.
On the basis of above-mentioned mode of execution, the outer wall of described interior chimney filter 4 upper orifice is fixedly connected with between the inwall of described outer tube 3 upper orifice, better can block the upper end of outer tube 3 like this, and prevent it from coming off.
On the basis of above-mentioned mode of execution, because interior filter membrane needs certain overpressure just can filter, so first the overpressure in interior chimney filter 4 will be improved, interior chimney filter 4 is provided with plenum 5, the pressure of described interior chimney filter 4 inner engine oil is flowed into for amplification, and described plenum 5 can be preferably funnel-like, it is formed after being decreased to certain size gradually by the internal diameter of described interior chimney filter 4 upper end, when machine oil flows into from interior chimney filter 4 upper orifice, because its caliber reduces gradually, so overpressure increases gradually, and overpressure increases, then better can improve the filtering effect of interior chimney filter 4, improve the efficiency of filtering.
On the basis of above-mentioned mode of execution, the upper orifice of described interior chimney filter 4 is also provided with one-way valve 6, because interior chimney filter 4 carries out circulating filtration in pipe, within the lower nozzle of chimney filter 4 be connected with the upper end of interior chimney filter 4, the machine oil of its inside is carried out repeatedly circulating filtration, and after the mouth of pipe has installed one-way valve 6 additional, its adverse current can be prevented thereon.
In use, machine oil first-selection enters in interior chimney filter 4, after plenum 5 improves pressure, part machine oil flows out from interior chimney filter 4, and because interior chimney filter 4 is the filter types adopting tubular membrane, it does not exist the problem of blocking, another part machine oil continues circulating filtration in interior chimney filter 4, and the machine oil of chimney filter 4 enters in outer tube 3 in flowing out, and then flow into filter core 2, this makes it possible to realize preventing from blocking improving the object of filtering effect.
Wherein, as shown in Figure 1, filter core 2 is by described the first side wall 21, second sidewall 22, the 3rd sidewall 23 around forming, and the left side of described the first side wall 21 is provided with the first erection column 81, and the right side of described 3rd sidewall 23 is provided with the second erection column 82.Described first erection column 81, second erection column 82 is specially bolt arrangement.
The foregoing is only preferred embodiment of the present invention, is only illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes in the spirit and scope that the claims in the present invention limit to it, amendment, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (6)
1. an oil filter used for diesel engine, it is characterized in that: comprise shell, filter core and coarse filtration unit, described filter core and described coarse filtration unit are all arranged in described shell, described coarse filtration unit comprises on outer tube and tube wall with chimney filter in porous filtering structure, the upper orifice of described outer tube is closed and is arranged, its lower nozzle is connected with the entrance of described filter core, described interior chimney filter is arranged in described outer tube, and the upper orifice of described interior chimney filter is filler opening, its lower nozzle is connected with the upper end of described interior chimney filter thus is formed and circulates.
2. according to the oil filter used for diesel engine described in claim 1, it is characterized in that: the upper orifice external diameter of described interior chimney filter is identical with the upper orifice internal diameter of described outer tube, thus make the upper end of described interior chimney filter block the upper end of described outer tube.
3. according to the oil filter used for diesel engine described in claim 2, it is characterized in that: the outer wall of described interior chimney filter upper orifice is fixedly connected with between the inwall of described outer tube upper orifice.
4. according to the oil filter used for diesel engine described in claim 2, it is characterized in that: described interior chimney filter is provided with plenum, flow into the pressure of described interior chimney filter inner engine oil for amplification.
5. according to the oil filter used for diesel engine described in claim 4, it is characterized in that: described plenum is funnel-like, it is reduced to be formed by the internal diameter of described interior chimney filter upper end gradually.
6. according to the oil filter used for diesel engine described in claim 5, it is characterized in that: the upper orifice of described interior chimney filter is also provided with one-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007881.0A CN105443191B (en) | 2015-12-30 | 2015-12-30 | A kind of oil filter used for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007881.0A CN105443191B (en) | 2015-12-30 | 2015-12-30 | A kind of oil filter used for diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105443191A true CN105443191A (en) | 2016-03-30 |
| CN105443191B CN105443191B (en) | 2018-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511007881.0A Active CN105443191B (en) | 2015-12-30 | 2015-12-30 | A kind of oil filter used for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105443191B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4265748A (en) * | 1980-01-11 | 1981-05-05 | Tecnocar S P A | Lubricant filter for internal combustion engines |
| US5032259A (en) * | 1988-12-24 | 1991-07-16 | He Qi Sheng | Friction-reducing lubricating-oil filter for internal combustion engine |
| US5527452A (en) * | 1992-06-30 | 1996-06-18 | Metzhotraslevoe Nauchno-Proizvodstvennoe Obedinenie Ekologiya | Device for providing tribochemical mode of operation in a lubrication system for a mechanism |
| CN1761510A (en) * | 2003-01-27 | 2006-04-19 | 霍尼韦尔国际公司 | Additive dispensing cartridge for an oil filter, and oil filter incorporating same |
| CN1944969A (en) * | 2006-07-24 | 2007-04-11 | 周中标 | Disposable double stage filtering magnetic machine oil filter |
-
2015
- 2015-12-30 CN CN201511007881.0A patent/CN105443191B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4265748A (en) * | 1980-01-11 | 1981-05-05 | Tecnocar S P A | Lubricant filter for internal combustion engines |
| US5032259A (en) * | 1988-12-24 | 1991-07-16 | He Qi Sheng | Friction-reducing lubricating-oil filter for internal combustion engine |
| US5527452A (en) * | 1992-06-30 | 1996-06-18 | Metzhotraslevoe Nauchno-Proizvodstvennoe Obedinenie Ekologiya | Device for providing tribochemical mode of operation in a lubrication system for a mechanism |
| CN1761510A (en) * | 2003-01-27 | 2006-04-19 | 霍尼韦尔国际公司 | Additive dispensing cartridge for an oil filter, and oil filter incorporating same |
| CN1944969A (en) * | 2006-07-24 | 2007-04-11 | 周中标 | Disposable double stage filtering magnetic machine oil filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105443191B (en) | 2018-05-04 |
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Effective date of registration: 20200915 Address after: Room 308, No.6 office building, No.1, Lugong Road, Port Development Zone, Fuqiao Town, Taicang City, Jiangsu Province, 215400 Patentee after: Suzhou Zhilue Intellectual Property Operation Co., Ltd Address before: 215434, Suzhou, Jiangsu Province, Taicang City pontoon bridge north road, South nine Avenue East A building, shop 04 Patentee before: TAICANG KASITEMU NEW MATERIAL Co.,Ltd. |
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