CN102852588A - Oil filter - Google Patents
Oil filter Download PDFInfo
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- CN102852588A CN102852588A CN2011101751324A CN201110175132A CN102852588A CN 102852588 A CN102852588 A CN 102852588A CN 2011101751324 A CN2011101751324 A CN 2011101751324A CN 201110175132 A CN201110175132 A CN 201110175132A CN 102852588 A CN102852588 A CN 102852588A
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- oil
- seal ring
- passage
- drain passage
- filter core
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Abstract
The invention discloses an oil filter. The oil filter comprises a filter element (3), a bypass valve (15) and a shell, wherein the filter element (3) is arranged in the shell; the shell comprises a lower shell (2) and a filter element cover (1), which are connected with each other; and the bypass valve (15) is arranged on the filter element cover (1) and is used for closing the part between a channel (12) of dirty oil before filtration and a channel (13) of clean oil after filtration. The oil filter has the following beneficial effect that by fixing the bypass valve on the filter element cover, the bypass valve has a more compact structure and is more convenient to install.
Description
Technical field
The present invention relates to a kind of engine oil supplying module of car engine lubrication system, be specifically related to oil filter.
Background technique
In the engine oil supplying module of engine lubrication system, oil filter is used for removing the impurity such as dust, metal granule, carbon precipitates and coal soot of machine oil, and protection is started.
Has bypass valve in the oil filter of high-quality.When external temperature is reduced to a certain particular value or when oil filter exceeded normal life time, bypass valve can be opened under the particular pressure effect, allow the machine oil of filtered directly flow to motor.However one, the impurity in the machine oil can enter motor, but the loss that causes compared with not having machine oil in the motor, it is much smaller.Therefore bypass valve is the key of in case of emergency protecting motor.
Usually, bypass valve is installed in the aluminium seat of oil strainer, but such structure is compact not, and comparatively trouble is installed also.
Therefore, be necessary to improve oil strainer, make the bypass valve arrangement of this oil strainer compact, easy for installation.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of oil filter, this oil strainer is of compact construction, and easy for installation.
To achieve these goals, technological scheme of the present invention is as follows:
A kind of oil filter comprises shell, is arranged on the filter core in this shell, and bypass valve, described shell comprises interconnective lower shell body and filter core lid, and wherein: described bypass valve is arranged on described filter core and covers, and seals between the passage of sump oil before filtering and the passage that filters rear cleansing oil.
Preferably, described bypass valve comprises and is fixed on the support body that filter core covers, and is fixed on the hollow base on this support body, is set in the spring of this pedestal, is arranged on the flap on the spring, by the effect of spring, makes the oily port hole on the flap sealing support body.
Preferably, the support body of described bypass valve cooperates with the cover plate of filter core and seals by seal ring.
Preferably, described bypass valve is fixed on described filter core by hot-bending forming technique and covers.
Preferably, be formed with oil drain passage in the described shell, sealed by the first seal ring between the passage of sump oil and the described oil drain passage before the described filtration, sealed by the second seal ring between the passage of cleansing oil after described oil drain passage and the described filtration, when oil extraction, the first seal ring at first breaks away from sealing, sump oil is discharged from described oil drain passage, this moment, described the second seal ring still kept sealing, until after sump oil discharged from described oil drain passage fully, described the second seal ring broke away from sealing.
Preferably, the sealing station of described the first seal ring and oil drain passage wall and this first seal ring break away from the distance between the position of sealing, and the distance between the position that seals than sealing station and the disengaging of this second seal ring of described the second seal ring and cleansing oil conduit wall is little.
Preferably, the passage of cleansing oil and described oil drain passage concentric after the described filtration, and described oil drain passage to be in the passage of cleansing oil after the described filtration peripheral, the passage of sump oil is in the periphery of described oil drain passage before the described filtration.
Preferably, described the first seal ring and described the second seal ring are arranged on the underpart of described filter core, described underpart is cylindrical ladder boss, described the second seal ring is arranged on the less boss of diameter and places outward, seal between the passage with cleansing oil after described oil drain passage and the described filtration, place outward and described the first seal ring is arranged on the larger boss of diameter, will seal between the passage of sump oil before the described filtration and the described oil drain passage.
Beneficial effect of the present invention
In the present invention, cover by bypass valve is fixed on filter core, so that the structure of bypass valve is more compact, install more convenient.
In addition, sealed by the first seal ring between passage by sump oil before described filtration and the oil drain passage, after described oil drain passage and the described filtration between the passage of cleansing oil by the second seal ring sealing, and when making oil extraction, the first seal ring breaks away from first sealing, after draining sump oil, the second seal ring just breaks away from sealing, does not drain old machine oil thereby do not need to control with traditional valve, has simplified displacement configuration, have component still less, thereby save cost.
Description of drawings
The present invention will be more clear under the following drawings example, and wherein accompanying drawing has shown non-limitative example of the present invention, wherein:
Fig. 1 is the cut-away section schematic diagram of oil filter.
Embodiment
Below by embodiment and accompanying drawing, the invention will be further described.
Referring to Fig. 1, a kind of oil filter comprises filter core 3, filter core frame 4, bypass valve 15, shell, wherein filter core frame 4 is arranged on the inside of filter core 3, this filter core frame 4 is not necessary, filter core 3 is arranged in the described shell, and described shell comprises interconnective lower shell body 2 and filter core lid 1, wherein, described bypass valve 15 is arranged on the described filter core lid 1, with the passage 12 of sump oil before filtering with filter after seal between the passage 13 of cleansing oil.When external temperature is reduced to a certain particular value or when oil filter exceeds normal life time, bypass valve 15 can be opened under the certain pressure effect, allows the machine oil of filtered directly flow to motor.By bypass valve 15 being fixed on the filter core lid 1, make its structure more compact, install more convenient.
As shown in Figure 1, described bypass valve 15 comprises the support body 5 that is fixed on the filter core lid 1, is fixed on the hollow base 6 on this support body, be set in the spring 7 of this pedestal, be arranged on the flap 8 on the spring, by the effect of spring 7, make the oily port hole 9 on the flap 8 sealing support bodys.Wherein, filter core lid 1 preferably is made of plastics, and the support body 5 of bypass valve can be fastened on the filter core lid 1 by hot-bending forming technique or buckle.
The support body 5 of described bypass valve cooperates with the upper cover plate of filter core and by seal ring 16 sealing, thereby the gap between the upper cover plate of the support body 5 that sump oil can be by bypass valve and filter core enters cleansing oil passage 13.Wherein, the support body 5 of bypass valve can be connected by buckle with the upper cover plate of filter core, thereby is convenient to take out filter core 3.As selection, the upper cover plate of filter core 3 can cover 1 with filter core and be connected by buckle.
Form the passage 12 of sump oil before filtering between described shell and the described filter core 3, hand over (if being provided with) to change cooled machine oil by heat in the motor and enter the front sump oil passage of this filtration, the passage 13 of cleansing oil after described filter core 3 interior formation are filtered, cleansing oil enters engine lubrication by this passage 13, oil drain passage 14 is formed in the described shell, when needs are changed or filter core 3 are installed, need to drain first old machine oil, these machine oil are then discharged by oil drain passage 14.Sealed by the first seal ring 10 between the passage 12 of sump oil and the oil drain passage 14 before the described filtration, sealed by the second seal ring 11 between the passage 13 of cleansing oil after described oil drain passage 14 and the described filtration.
As shown in Figure 1, the passage 13 of cleansing oil and described oil drain passage 14 concentrics after the described filtration, and described oil drain passage 14 is in passage 13 peripheries of cleansing oil after the described filtration, and the passage 12 of sump oil is in the periphery of described oil drain passage 13 before the described filtration.Described the first seal ring 10 and described the second seal ring 11 are arranged on the underpart 17 of filter core, and this underpart 17 has centre gangway, and as the part of cleansing oil passage 13, cleansing oil can enter motor by this centre gangway.Described underpart 17 is cylindrical ladder boss, the second seal ring 11 is arranged on the less boss of diameter and places outward, with sealing between the passage 13 of cleansing oil after described oil drain passage 14 and the described filtration, and the first seal ring 10 is arranged on the larger boss of diameter and places outward, with sealing between the passage 12 of sump oil before the described filtration and the oil drain passage 14.
The contact position of the first seal ring 10 and oil drain passage wall (being sealing station) and the first seal ring break away from the distance between the position of sealing, and the distance between the position that seals than contact position (being sealing station) and the disengaging of the second seal ring of the second seal ring 11 and cleansing oil conduit wall is little.Particularly, in the present embodiment, distance on the first seal ring 10 and the lower shell body 2 between the contact position of oil drain passage 14 annular wall 18 and annular wall 18 free ends is less than contact position and the distance between annular wall 19 free ends of cleansing oil passage 13 annular wall 19 on the second seal ring 11 and the lower shell body 2.Therefore, when changing oil filter, the first seal ring 10 at first separates with annular wall 18, sump oil is discharged from described oil drain passage 14, this moment, described the second seal ring 11 still kept sealing, until after sump oil discharged from described oil drain passage 14 fully, described the second seal ring 11 was from annular wall 19 separation, break away from sealing, thereby can carry out the replacing of oil filter.Therefore, by said structure, do not need to control with traditional valve and drain old machine oil, simplified displacement configuration.
After new oil filter is in place, filter core lid 1 is reconnected with lower shell body 2, again sealed by the first seal ring 10 between the passage 12 of sump oil and the oil drain passage 14 before the described filtration, also again sealed by the second seal ring 11 between the passage 13 of cleansing oil after described oil drain passage and the 14 described filtrations.
The above; only be the better feasible embodiment of the present invention; can not therefore namely limit to interest field of the present invention; concerning those familiar with ordinary skill in the art; such as use technological scheme of the present invention and technical conceive to make other various corresponding changes and distortion, and all these changes and distortion all should belong within the protection domain of claim of the present invention.
Claims (8)
1. oil filter, comprise: shell, be arranged on the filter core in this shell, and bypass valve, described shell comprises interconnective lower shell body and filter core lid, it is characterized in that: described bypass valve is arranged on described filter core and covers, and seals between the passage of sump oil before filtering and the passage that filters rear cleansing oil.
2. oil filter according to claim 1, it is characterized in that: described bypass valve comprises: be fixed on the support body that described filter core covers, be fixed on the hollow base on this support body, be set in the spring of this pedestal, be arranged on the flap on the spring, by the effect of spring, make the oily port hole on the flap sealing support body.
3. oil filter according to claim 2, it is characterized in that: the support body of described bypass valve cooperates with the cover plate of described filter core and seals by seal ring.
4. oil filter according to claim 1 and 2, it is characterized in that: described bypass valve is fixed on described filter core by hot-bending forming technique and covers.
5. oil filter according to claim 1, it is characterized in that: be formed with oil drain passage in the described shell, sealed by the first seal ring between the passage of sump oil and the described oil drain passage before the described filtration, sealed by the second seal ring between the passage of cleansing oil after described oil drain passage and the described filtration, when oil extraction, the first seal ring at first breaks away from sealing, sump oil is discharged from described oil drain passage, this moment, described the second seal ring still kept sealing, until after sump oil discharged from described oil drain passage fully, described the second seal ring broke away from sealing.
6. oil strainer according to claim 5, it is characterized in that: the sealing station of described the first seal ring and oil drain passage wall and this first seal ring break away from the distance between the position of sealing, and the distance between the position that seals than sealing station and the disengaging of this second seal ring of described the second seal ring and cleansing oil conduit wall is little.
7. according to claim 5 or 6 described oil strainers, it is characterized in that: the passage of cleansing oil and described oil drain passage concentric after the described filtration, and it is peripheral that described oil drain passage is in the passage of cleansing oil after the described filtration, and the passage of sump oil is in the periphery of described oil drain passage before the described filtration.
8. according to claim 5 or 6 described oil strainers, it is characterized in that: described the first seal ring and described the second seal ring are arranged on the underpart of described filter core, described underpart is cylindrical ladder boss, described the second seal ring is arranged on the less boss of diameter and places outward, seal between the passage with cleansing oil after described oil drain passage and the described filtration, place outward and described the first seal ring is arranged on the larger boss of diameter, will seal between the passage of sump oil before the described filtration and the described oil drain passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110175132.4A CN102852588B (en) | 2011-06-27 | oil filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110175132.4A CN102852588B (en) | 2011-06-27 | oil filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102852588A true CN102852588A (en) | 2013-01-02 |
| CN102852588B CN102852588B (en) | 2016-12-14 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087057A (en) * | 2018-01-18 | 2018-05-29 | 广西玉林坤达机械制造有限责任公司 | A kind of oil filter core for being integrated with by-passing valve and fuel outlet valve |
| CN108421300A (en) * | 2017-02-14 | 2018-08-21 | 曼·胡默尔有限公司 | The filter of filter device for filtering fluid and the filtering head of filter device |
| CN115199375A (en) * | 2022-08-22 | 2022-10-18 | 索特传动设备有限公司 | Filter assembly and engineering machinery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2065942U (en) * | 1990-04-14 | 1990-11-21 | 沈阳汽车配件厂 | Engine oil filter |
| US5538626A (en) * | 1994-07-13 | 1996-07-23 | Ing, Walter Hengst Gmbh & Co. Kg | Liquid filter |
| JPH0910515A (en) * | 1995-06-28 | 1997-01-14 | Nippondenso Co Ltd | Oil filter for internal combustion engine |
| CN2314099Y (en) * | 1997-12-02 | 1999-04-14 | 江西省机械科学研究所 | Recovery filter for diesel engine oil |
| CN101493025A (en) * | 2008-12-16 | 2009-07-29 | 奇瑞汽车股份有限公司 | Engine oil filter |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2065942U (en) * | 1990-04-14 | 1990-11-21 | 沈阳汽车配件厂 | Engine oil filter |
| US5538626A (en) * | 1994-07-13 | 1996-07-23 | Ing, Walter Hengst Gmbh & Co. Kg | Liquid filter |
| JPH0910515A (en) * | 1995-06-28 | 1997-01-14 | Nippondenso Co Ltd | Oil filter for internal combustion engine |
| CN2314099Y (en) * | 1997-12-02 | 1999-04-14 | 江西省机械科学研究所 | Recovery filter for diesel engine oil |
| CN101493025A (en) * | 2008-12-16 | 2009-07-29 | 奇瑞汽车股份有限公司 | Engine oil filter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421300A (en) * | 2017-02-14 | 2018-08-21 | 曼·胡默尔有限公司 | The filter of filter device for filtering fluid and the filtering head of filter device |
| CN108421300B (en) * | 2017-02-14 | 2022-05-03 | 曼·胡默尔有限公司 | Filter for a filter device for filtering a fluid and filter head for a filter device |
| CN108087057A (en) * | 2018-01-18 | 2018-05-29 | 广西玉林坤达机械制造有限责任公司 | A kind of oil filter core for being integrated with by-passing valve and fuel outlet valve |
| CN115199375A (en) * | 2022-08-22 | 2022-10-18 | 索特传动设备有限公司 | Filter assembly and engineering machinery |
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