CN205677691U - A kind of oil filter - Google Patents
A kind of oil filter Download PDFInfo
- Publication number
- CN205677691U CN205677691U CN201620395089.0U CN201620395089U CN205677691U CN 205677691 U CN205677691 U CN 205677691U CN 201620395089 U CN201620395089 U CN 201620395089U CN 205677691 U CN205677691 U CN 205677691U
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- China
- Prior art keywords
- oil
- filter
- oil strain
- filter element
- cap
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Abstract
A kind of oil filter, include housing, filter element, cap, described filter element is placed in the inner chamber of housing, described cap covers the peristome being fixed in housing hermetically, oil strain outlet it is provided with in described cap, oil strain import is distributed on the cap being positioned at oil strain exit perimeter, it is provided with check valve in oil strain import, oil strain containing cavity was left between described filter element lateral circle surface and the inwall of corresponding housing, described oil strain import is connected with crossing oil strain containing cavity with check valve, the inner walls being positioned at oil strain outlet arranges fixing screw thread, need the machine oil filtered to enter from oil strain import and enter into filter element inner chamber after filter element filtering, flow out through oil strain outlet from filter element inner chamber again, fix with filter element top bottom described cap, in cap core shift position distribution oil strain import, the middle part of described filter element bottom surface is provided with air relief valve.Have an advantage in that: seal firmly, be difficult to leakage, solve oil filter chamber pressure problems of too when machine oil enters oil filter.
Description
Technical field
This utility model relates to a kind of engine fittings, a kind of oil filter on electromotor.
Background technology
The Chinese utility model patent of existing a kind of Patent No. CN201120273549.X entitled " oil filter "
Disclose a kind of oil filter, including filter case be placed in the filter element within filter case and support, filter box
Body connects has strainer cover, strainer cover to be provided with fuel feed hole, and described strainer cover is close to be provided with fixed plate, described fixed plate with
Strainer cover is suitable, arranges with fixed plate riveting, and strainer cover is relative with fixed plate is close to arrange face at fuel feed hole
Another side be equipped with sealing ring.The oil that this utility model compensate for inside conventional oil filter is flowed out by weld seam, causes
Internal hemorrhage due to trauma, the shortcoming affecting return valve function, reduces technique and cost.But, the direct overhead in bottom of the filter element of this device is at bullet
On spring, if machine oil is through cleaner excessive velocities, it is impossible to enter quickly through filter element and then can cause filter box inside filter element
Pressure between body and filter element is excessive, causes lubricating oil leakage, and the inadequate firm and durable of external structure, and long-time use may be also
Seepage occurring, affects using effect, therefore the structure of this device also needs to improve further.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of filter effect for above-mentioned prior art present situation
Good and that use is safe oil filter.
This utility model solves the technical scheme that used of above-mentioned technical problem: this oil filter, include housing,
Filter element, cap, described filter element is placed in the inner chamber of housing, and described cap covers the peristome being fixed in housing hermetically, at described shell
Being provided with the outlet of the oil strain after filtration in lid, the oil strain that being distributed on the cap being positioned at oil strain exit perimeter needs to filter enters
Mouthful, oil strain import is provided with the check valve only allowing oil strain to enter, the inwall of described filter element lateral circle surface and corresponding housing it
Between left oil strain containing cavity, described oil strain import is connected with crossing oil strain containing cavity with check valve, is being positioned at oil strain outlet
It is provided with the fixing screw thread fixed for fixture in inner walls, needs the machine oil filtered to enter through filter element mistake from oil strain import
Enter into after filter in filter element inner chamber, then flow out through oil strain outlet from filter element inner chamber, it is characterised in that: with filter bottom described cap
Core top fixes, and in cap core shift position distribution oil strain import, is provided with at the middle part of described filter element bottom surface and has served as oil strain appearance
Put when the oil strain pressure in chamber reaches design load and can automatically open up valve and make oil strain enter into the air relief valve of filter element inner chamber.
As improvement, described air relief valve is preferably decompression sheet, and the outer edge of described decompression sheet contacts and connecting oil strain
On the oil-in of containing cavity and filter element inner chamber, oil-in is sealed, the top of described decompression sheet be provided with can keep decompression sheet and
What oil-in was in the state of contacting contacts device.
Improve further, described in contact device and include contacting spring, described in contact the lower end of spring and contact at decompression sheet
On upper surface, described in contact the upper end of spring and fix with fixing seat, described fixing seat is the cylinder of hollow, described in contact bullet
Spring is arranged in cylindrical inner chamber, and described cylindrical top is provided with the projection that can contact mutually with the upper end contacting spring,
Described projection is four, and four projections are symmetricly set on the top of cylinder inwall the most two-by-two and will contact spring and be pressed on circle
In cylinder intracavity.
As improvement, the outer surface of described decompression sheet is preferably enclosed with and extends outside the rubber reduced pressure sheet service life
Set.
As improvement, the top of described housing preferably bends inwards and posts on the upper surface of cap, described cap
Being fixed by the lower surface of welding with housing bending part, the middle part of housing bending part is provided with can expose oil strain import
Through hole, described through hole is corresponding with oil strain exit position.
As improvement, described check valve is preferably rubber ring, described rubber ring be folded in cartridge top and cap it
Between, serve as oil strain when oil strain import enters, owing to pressure makes rubber ring edge enter in oil strain containing cavity downwards, served as
During machine oil reverse flow in oil strain containing cavity, rubber ring edge upwards jack-up is contacted mutually and close by oil pressure with the bottom surface of cap
Envelope, made oil in oil strain containing cavity inversely not flow out.
As improvement, described filter element includes top cover, bottom, the cylindrical circular filter paper in periphery, is placed in the filter paper of filter paper inner chamber
Support, the described columnar vertical compartment of terrain of filter paper outer peripheral face was respectively arranged with the vertical groove that oil strain is easily accessible, described
Columnar filter paper upper and lower sleeve is sandwiched in wherein by top cover and bottom, the outer peripheral face of described paper filter support and the inwall of filter paper be close to and
Being supported on together, the bottom of described paper filter support fixes with the bottom of filter paper, is distributed from filter paper mistake on paper filter support periphery
Entering into the access aperture of paper filter support inner chamber after filter from paper filter support, described paper filter support inner chamber is connected with oil strain outlet,
Described cylinder is arranged on the upper surface of bottom, and the upper surface of described top cover is provided with annular projection, and described check valve is fixed
Between annular projection and cap.
Improving further, described annular projection is preferably the round table-like projection that width top, bottom is narrow, described annular projection
Top is 3～8mm to the height of top cover upper surface.
As improvement, bottom the bottom surface of described housing and filter element between cross in oil strain containing cavity and be preferably provided with and will filter
Core top makes the location spring that check valve is fixed between filter element top and cap to cap.
As improvement, described housing bottom be preferably provided with can shirk screw lid, described in screw and be provided with inside lid
Screw thread is screwed with housing bottom external screw thread screws mutually.
Compared with prior art, the utility model has the advantage of: filter element inner chamber is provided with air relief valve, the upper of sheet of reducing pressure
What portion was provided with that can keep reducing pressure sheet and oil-in be in the state of contacting contacts device, has served as the oil strain pressure in oil strain containing cavity
Valve can be automatically opened up and make oil strain enter into filter element inner chamber when reaching design load, when effectively solving machine oil entrance oil filter
The problem that oil filter chamber pressure is excessive；The upper surface of top cover is provided with annular projection, and check valve is fixed on annular projection
And between cap, can effectively fix check valve, it is to avoid check valve moving influence goes out oil sealing effect, annular projection is width top, bottom
The round table-like projection that portion is narrow, the height at annular projection top to top cover surface is 3～8mm, and the machine oil that check valve is entered squeezes
Time can post on the outer surface of annular projection, resistance to compression is effective, is hardly damaged, and extends the service life of check valve, simultaneously the most also
The flow velocity preventing machine oil from entering is the slowest, improves oil filtration efficiency.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of this utility model embodiment；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the sectional view in Fig. 2 along line A-A；
Fig. 4 is the STRUCTURE DECOMPOSITION figure of Fig. 1；
Fig. 5 is the STRUCTURE DECOMPOSITION figure of filter element in Fig. 4；
Fig. 6 is the STRUCTURE DECOMPOSITION figure of bottom in Fig. 5；
Fig. 7 is the STRUCTURE DECOMPOSITION figure of another embodiment of this utility model；
Fig. 8 is the enlarged drawing of I part in Fig. 3.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
As shown in Figures 1 to 8, the oil filter of the present embodiment, include housing 1, filter element, cap 2, described filter element is put
In the inner chamber of housing 1, described cap 2 covers the peristome being fixed in housing 1 hermetically, after being provided with filtration in described cap 2
Oil strain outlet 21, be positioned at oil strain export be distributed on the cap 2 of 21 peripheries need filter oil strain import 22, enter at oil strain
Mouth 22 is provided with the check valve only allowing oil strain to enter, left between described filter element lateral circle surface and the inwall of corresponding housing 1
Oil strain containing cavity 11, described oil strain import 22 is connected with crossing oil strain containing cavity 11 with check valve, is being positioned at oil strain outlet 21
It is provided with the fixing screw thread 12 fixed for fixture in inner walls, needs the machine oil filtered to enter through filter from oil strain import 22
Core filter after enter in filter element inner chamber, then from filter element inner chamber through oil strain outlet 21 outflow, bottom described cap 2 with on filter element
Portion fixes, in cap 2 core shift position distribution oil strain import 22, be provided with at the middle part of described filter element bottom surface served as oil strain house
Oil strain pressure in chamber 11 can automatically open up valve and make oil strain enter into the air relief valve of filter element inner chamber when reaching design load.Described
Air relief valve contacts at the oil-in connecting oil strain containing cavity 11 and filter element inner chamber for decompression sheet 3, the outer edge of described decompression sheet 3
Being sealed by oil-in 57 on 57, the top of described decompression sheet 3 is provided with and decompression sheet 3 and oil-in 57 can be kept to be in and contact shape
State contact device.The described device that contacts includes contacting spring 31, described in contact that the lower end of spring 31 contacts at decompression sheet 3 upper
On surface, described in contact the upper end of spring 31 and fix with fixing seat 32, described fixing seat 32 is the cylinder of hollow, described top
Touching spring 31 to be arranged in cylindrical inner chamber, described cylindrical top is provided with and can contact mutually with the upper end contacting spring 31
Projection 33, described projection 33 is four, four projections 33 be symmetricly set on the most two-by-two cylinder inwall top and will top
Touch spring 31 to be pressed in cylindrical cavity.It is enclosed with on the outer surface of described decompression sheet 3 and extends the rubber reduced pressure sheet service life
Glue overcoat 34.The top of described housing 1 bends inwards and posts on the upper surface of cap 2, and described cap 2 is by welding and shell
The lower surface of body 1 bending part fixes, and the middle part of housing 1 bending part is provided with the through hole 13 that can expose oil strain import 22,
It is corresponding that described through hole 13 exports 21 positions with oil strain.Described check valve is rubber ring 4, and described rubber ring 4 is folded in filter element
Between top and cap 2, serve as oil strain when oil strain import 22 enters, owing to pressure makes rubber ring 4 edge enter downwards
In oil strain containing cavity 11, when having served as the machine oil reverse flow in oil strain containing cavity 11, oil pressure is by rubber ring 4 edge upwards jack-up
Contact mutually with the bottom surface of cap 2 and seal, made oil in oil strain containing cavity 11 inversely not flow out.Described filter element include top cover 5,
Bottom 51, the cylindrical circular filter paper in periphery 52, it is placed in the paper filter support 53 of filter paper 52 inner chamber, described columnar filter paper 52 periphery
Vertical compartment of terrain, face was respectively arranged with the vertical groove 54 that oil strain is easily accessible, and described top cover 5 and bottom 51 are by columnar
Filter paper 52 upper and lower sleeve is sandwiched in wherein, together with the outer peripheral face of described paper filter support 53 is close to the inwall of filter paper 52 and is supported on, and institute
The bottom of the bottom and filter paper 52 of stating paper filter support 53 fixes, paper filter support 53 periphery is distributed from filter paper 52 filter after from
Entering into the access aperture 56 of paper filter support inner chamber 55 in paper filter support 53, described paper filter support inner chamber 55 is connected with oil strain outlet 21
Logical, described cylinder is arranged on the upper surface of bottom 51, and the upper surface of described top cover 5 is provided with annular projection 58, described list
It is fixed between annular projection 58 and cap 2 to valve.Described annular projection 58 is the round table-like projection that width top, bottom is narrow, described
Annular projection 58 top is 3～8mm to the height H of top cover 5 upper surface.Mistake between bottom the bottom surface of described housing 1 and filter element
Oil strain containing cavity 11 is provided with the location making check valve be fixed between filter element top and cap 2 to cap 2 on filter element top
Spring 6.Be provided with bottom described housing 1 can shirk screw lid 7, described in screw lid 7 inside be provided with housing 1 bottom outer spiral shell
What stricture of vagina 14 phase screwed screws screw thread 71.
Claims (10)
1. an oil filter, includes housing (1), filter element, cap (2), and described filter element is placed in the inner chamber of housing (1),
Described cap (2) covers the peristome being fixed in housing (1) hermetically, the oil strain outlet after being provided with filtration in described cap (2)
(21), on the cap (2) being positioned at oil strain outlet (21) periphery, the oil strain import (22) that need filter is distributed, in oil strain import
(22) it is provided with the check valve only allowing oil strain to enter in, leaves between the inwall of described filter element lateral circle surface and corresponding housing (1)
Crossing oil strain containing cavity (11), described oil strain import (22) is connected with crossing oil strain containing cavity (11) with check valve, is being positioned at oil strain
It is provided with the fixing screw thread (12) fixed for fixture in the inner walls of outlet (21), needs the machine oil filtered to enter from oil strain
Mouth (22) enters and enters into after filter element filtering in filter element inner chamber, then flows out through oil strain outlet (21) from filter element inner chamber, and it is special
Levy and be: described cap (2) bottom fixes with filter element top, at cap (2) core shift position distribution oil strain import (22), in institute
State the middle part of filter element bottom surface to be provided with when the oil strain pressure served as in oil strain containing cavity (11) reaches design load and can automatically open up valve
Door and make oil strain enter into the air relief valve of filter element inner chamber.
Oil filter the most according to claim 1, it is characterised in that: described air relief valve is decompression sheet (3), described decompression
The outer edge of sheet (3) contacts and was connecting oil-in (57) on the oil strain containing cavity (11) oil-in (57) with filter element inner chamber
Sealing, the top of described decompression sheet (3) is provided with and can keep what decompression sheet (3) and oil-in (57) be in the state of contacting to contact dress
Put.
Oil filter the most according to claim 2, it is characterised in that contact device described in: and include contacting spring (31),
The described lower end contacting spring (31) contacts on the upper surface of decompression sheet (3), described in contact the upper end of spring (31) with fixing
Seat (32) fixes, and described fixing seat (32) is the cylinder of hollow, described in contact spring (31) and be arranged on cylindrical inner chamber
In, described cylindrical top is provided with the projection (33) that can contact mutually, described projection (33) with the upper end contacting spring (31)
Being four, four projections (33) are symmetricly set on the top of cylinder inwall the most two-by-two and will contact spring (31) and be pressed on circle
In cylinder intracavity.
4. according to the oil filter described in Claims 2 or 3, it is characterised in that: wrap up on the outer surface of described decompression sheet (3)
Have and extend the rubber sleeve (34) reduced pressure sheet service life.
5. according to the arbitrary described oil filter of claims 1 to 3, it is characterised in that: the top of described housing (1) is to inflection
Rolling over and post on the upper surface of cap (2), described cap (2) is solid mutually with the lower surface of housing (1) bending part by welding
Fixed, the middle part of housing (1) bending part is provided with the through hole (13) that can expose oil strain import (22), described through hole (13) and oil strain
Outlet (21) position is corresponding.
6. according to the arbitrary described oil filter of claims 1 to 3, it is characterised in that: described check valve is rubber ring (4),
Described rubber ring (4) is folded between cartridge top and cap (2), has served as oil strain when oil strain import (22) enters, due to
Pressure makes rubber ring (4) edge enter in oil strain containing cavity (11) downwards, has served as the machine oil in oil strain containing cavity (11) inverse
When flowing, rubber ring (4) edge upwards jack-up is contacted with the bottom surface of cap (2) and seals, made oil strain hold by oil pressure mutually
Put oil in chamber (11) can not inversely flow out.
Oil filter the most according to claim 3, it is characterised in that: described filter element include top cover (5), bottom (51),
The cylindrical circular filter paper in periphery (52), being placed in the paper filter support (53) of filter paper (52) inner chamber, described columnar filter paper (52) is outward
The vertical compartment of terrain of side face was respectively arranged with the vertical groove (54) that oil strain is easily accessible, described top cover (5) and bottom (51) will
Columnar filter paper (52) upper and lower sleeve is sandwiched in wherein, the inwall of the outer peripheral face of described paper filter support (53) and filter paper (52) be close to and
Being supported on together, the bottom of described paper filter support (53) fixes with the bottom of filter paper (52), on paper filter support (53) periphery
It is distributed the access aperture (56) entering into paper filter support inner chamber (55) after filter paper (52) filters from paper filter support (53), described filter
Paper rack bore (55) is connected with oil strain outlet (21), and described cylinder is arranged on the upper surface of bottom (51), described top
The upper surface of lid (5) is provided with annular projection (58), and described check valve is fixed between annular projection (58) and cap (2).
Oil filter the most according to claim 7, it is characterised in that: described annular projection (58) is that width top, bottom is narrow
Round table-like projection, the height (H) at described annular projection (58) top to top cover (5) upper surface is 3～8mm.
9. according to the arbitrary described oil filter of claims 1 to 3, it is characterised in that: the bottom surface of described housing (1) and filter element
Crossing between Di Bu oil strain containing cavity (11) are provided with filter element top is made to cap (2) check valve be fixed on filter element top with
Location spring (6) between cap (2).
10. according to the arbitrary described oil filter of claims 1 to 3, it is characterised in that: described housing (1) bottom is provided with
That can shirk screws lid (7), described in screw lid (7) inner side be provided with housing (1) bottom external screw thread (14) screwing of screwing mutually
Screw thread (71).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620309756 | 2016-04-05 | ||
| CN2016203097569 | 2016-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205677691U true CN205677691U (en) | 2016-11-09 |
Family
ID=57439342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620395089.0U Expired - Fee Related CN205677691U (en) | 2016-04-05 | 2016-04-25 | A kind of oil filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205677691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331637A (en) * | 2018-03-26 | 2018-07-27 | 薛靖 | A kind of assembled oil filter |
-
2016
- 2016-04-25 CN CN201620395089.0U patent/CN205677691U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331637A (en) * | 2018-03-26 | 2018-07-27 | 薛靖 | A kind of assembled oil filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190815 Address after: 316218 No. 9 Dongxing West Road, Daidong Town, Daishan County, Zhoushan City, Zhejiang Province Patentee after: Zhoushan Shenying Vehicle Parts Manufacturing Co., Ltd. Address before: 316218 Daidong Town Harvest Industrial Zone, Daishan County, Zhoushan City, Zhejiang Province Patentee before: Zhoushan Shenying Vehicle Fittings Manufacturing Factory |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20200425 |