CN110792539A - Fuel oil filtering filter element with exhaust valve structure - Google Patents
Fuel oil filtering filter element with exhaust valve structure Download PDFInfo
- Publication number
- CN110792539A CN110792539A CN201911164120.4A CN201911164120A CN110792539A CN 110792539 A CN110792539 A CN 110792539A CN 201911164120 A CN201911164120 A CN 201911164120A CN 110792539 A CN110792539 A CN 110792539A
- Authority
- CN
- China
- Prior art keywords
- cover body
- filter element
- valve structure
- exhaust
- exhaust valve
- 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.)
- Granted
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 18
- 239000000295 fuel oil Substances 0.000 title claims abstract description 13
- 239000000446 fuel Substances 0.000 claims abstract description 10
- 230000037237 body shape Effects 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 22
- 238000003466 welding Methods 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012372 quality testing Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 11
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002026 carminative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- 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
- F02M37/54—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by air purging 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
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/42—Installation or removal of filters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention aims to provide a fuel oil filtering filter element with an exhaust valve structure, which is used for solving the problems in the prior art and comprises a central column, filter paper surrounding the side surface of the central column, and an upper end cover and a lower end cover positioned at the upper end and the lower end of the central column, wherein the upper end cover comprises a cover body and a cover body, the cover body is in a rotary body shape extending from the cover body to the direction of the central column, an exhaust valve assembly is arranged in the cover body, the exhaust valve assembly comprises a shell and a valve core, the shell is embedded in the cover body, an exhaust cavity is formed by surrounding the shell and the cover body, and the valve core is movably arranged in the shell from the inside to the outside of the exhaust cavity. Through this fuel filter core of taking exhaust valve structure can realize convenient, firm installation of discharge valve subassembly after the installation of filter core cylinder is accomplished, and then the convenience of quality testing and the stability of installation production quality in the filter core production of being convenient for.
Description
Technical Field
The invention relates to the technical field of fuel oil filtering devices, in particular to a fuel oil filtering filter element with an exhaust valve structure.
Background
In the fuel oil filtering process, gas mixed in oil, original air in an oil tank and the like can enter the filter element in the oil supply process and be reserved in the filter element, and the air pressure of excessive reserved air can lead to the oil outside the filter element to filter the efficiency of entering the filter element, so that the state influence on the combustion work of the internal combustion engine is caused. Therefore, an exhaust valve is generally arranged at the top end of the filter element at present, and the air in the filter element is exhausted by opening and closing the exhaust valve, so that the influence of the retained air pressure is reduced.
The existing exhaust valve is generally directly mounted on the upper end cover of the filter element and then integrally connected by welding or gluing, and then the end cover is mounted on the central column of the filter element. This structure and its associated installation procedure lead to the following problems: firstly, the end cover is installed after the valve is installed, so that the detection and test work of the filtration performance after the filter medium is installed is inconvenient; secondly, the filter medium need carry out the hot melt when later stage installation to the center post and paste, causes the deformation of discharge valve and its corresponding mounting structure easily at the total heat of hot melt process, can influence its closed effect promptly, leads to the leakage scheduling problem of fluid from here.
Disclosure of Invention
The invention aims to provide a fuel oil filtering filter element with an exhaust valve structure, which is used for solving the problems in the prior art, and the fuel oil filtering filter element with the exhaust valve structure can realize convenient and stable installation of an exhaust valve assembly after the installation of a filter element cylinder is finished, so that the convenience of quality detection and the stability of installation and production quality in the production of the filter element are facilitated.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
the utility model provides a take fuel filter core of discharge valve structure, includes the center post, surround in the filter medium of center post side and be located the upper end cover and the lower end cover at both ends about the center post, the upper end cover includes lid and lid body, the lid body be by the lid to the gyration bodily form that the center post direction extends, be equipped with the exhaust valve subassembly in the lid body, the exhaust valve subassembly includes casing and case, the casing gomphosis set up in the lid body, the casing with enclose between the lid body and close and form the exhaust chamber, the case by outwards wear the movable locating of exhaust intracavity the casing.
Preferably, the casing is in a truncated cone shape with a diameter gradually decreasing downwards, the edge of the truncated cone is connected with the cover body, the bottom of the casing is stopped against the bottom of the cover body, and the center of the bottom of the casing is raised upwards to form the exhaust cavity.
Preferably, the cover body is provided with a circumferential annular groove on the inner surface, and the circular truncated cone edge of the shell is clamped in the annular groove.
Preferably, the bottom surface of the cover body is provided with a sealing ring, and the sealing ring is annular and surrounds the exhaust cavity.
Preferably, the valve core comprises a driving part, a connecting part and a sealing part which are sequentially connected from top to bottom, a connecting hole is formed in the center of the shell, the connecting part is sleeved in the connecting hole, and the sealing part is located in the exhaust cavity and has a diameter larger than that of the connecting hole.
Preferably, the sealing portion has an arcuate cross section, and an opening of the arcuate cross section is directed toward the housing.
Preferably, the edge of the connecting hole is provided with a plurality of air exhaust parts.
Preferably, the bottom surface of the cover body is provided with a plurality of vent holes.
Preferably, a net sheet transversely arranged in the exhaust cavity is further arranged between the shell and the cover body, and meshes are distributed on the surface of the net sheet.
Preferably, the side surface of the cover body is provided with a plurality of connecting keys, the central column is in a porous column shape, a plurality of ring bodies are arranged on a plurality of circumferentially uniformly distributed connecting ridges in a surrounding mode at intervals, and the top ends of the connecting ridges are connected with the connecting keys in a welding mode.
The invention has the beneficial effects that:
the exhaust valve component is located on the outer side of the upper end cover and is of a split structure, so that the exhaust valve component can be installed after the end cover and the filter medium are subjected to hot processing and installation, the exhaust valve component is convenient to install and can be assembled after independent testing is completed before assembly, meanwhile, the exhaust valve component is installed after being used as a whole, the exhaust valve component can be installed after being installed through a simple embedding step due to the external structure of the exhaust valve component, and the machining efficiency is improved. Furthermore, this structure makes the case among the discharge valve subassembly can not receive the influence of hot working, and then avoids the discharge valve subassembly qualified before the equipment but unqualified problem behind the filter core hot working, and its mounting structure is stable, and the pressure value that receives when its pressure-bearing, carminative during operation of during operation keeps unanimous and stable more easily, and then has improved the stability of quality of work efficiency and output.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the exhaust valve assembly of the present invention;
FIG. 3 is a schematic structural view of the upper end cap of the present invention;
FIG. 4 is a schematic structural view of the housing of the present invention;
the items in the figure are respectively: 11 central column, 111 connecting ridge, 112 ring body, 12 upper end cover, 121 cover body, 122 cover body, 123 vent hole, 124 connecting key, 125 ring groove, 126 sealing ring, 13 lower end cover, 14 filter medium, 2 exhaust valve component, 21 shell, 211 connecting hole, 212 exhaust part, 22 valve core, 221 driving part, 222 connecting part, 223 sealing part, 23 exhaust cavity and 24 mesh.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
as shown in fig. 1, 2, 3, and 4, the fuel filter element with the vent valve structure includes a center pillar 11, a filter medium 14 surrounding the side of the center pillar 11, and an upper end cap 12 and a lower end cap 13 located at the upper and lower ends of the center pillar 11, wherein the center pillar 11, the upper end cap 12, the lower end cap 13, and the filter medium 14 are connected and installed into a whole by hot melting/infrared welding or gluing. The upper end cap 12 includes an annular cap body 121 and a cap body 122 which are integrally formed, the cap body 122 is a cylindrical rotary body which is recessed and extends from the cap body 121 to the direction of the central column 11, the exhaust valve assembly 2 is installed in the cap body 122, the exhaust valve assembly 2 includes a housing 21 and a valve core 22, the housing 21 is embedded in the cap body 122, an exhaust cavity 23 is formed by enclosing the housing 21 and the cap body 122, and the valve core 22 is movably disposed in the housing 21 by passing through the exhaust cavity 23 to the outside.
In this embodiment, the housing 21 is made of metal with certain elasticity and is in a truncated cone shape with a diameter gradually decreasing downwards, the upper edge of the truncated cone and the cover body 122 form a stable nested connection through elasticity, in this embodiment, in order to ensure the stability of the installation, a ring groove 125 is further formed in the surface of the cover body 122, the edge of the truncated cone is clamped through the ring groove 125 so as to improve the installation stability, and when the exhaust valve assembly is installed, the housing 21 is only required to be clamped into the cover body 122 to be clamped with the ring groove 125 so as to complete the installation, which is convenient and fast. The bottom of the shell 21 is stopped against the bottom of the cover body 122, the center of the bottom of the shell 21 is raised upwards to form the exhaust cavity 23, and the overall structure height of the exhaust valve assembly 2 is reduced by the reverse raised structure, so that the overall space is saved. The bottom of the cover body 122 in this embodiment is further provided with two concentric sealing rings 126 surrounding the exhaust cavity 23, and the default height of the sealing ring 126 is slightly higher than the gap between the bottom surface of the casing 21 and the cover body 122, so that after installation, the sealing ring is pressed to abut against the bottom surface of the casing 21 to form an effective seal for the exhaust cavity 23.
In this embodiment, the valve core 22 includes a driving portion 221, a connecting portion 222, and a sealing portion 223, which are integrally formed from top to bottom in sequence to form a connection, and are made of rubber, the center of the housing 21 is provided with a connection hole 211, the connecting portion 222 is cylindrical and is sleeved in the connection hole 211, the driving portion 221 is located outside the housing 21, and the sealing portion 223 is located in the exhaust cavity 23 and has a diameter larger than that of the connection hole 211. The sealing portion 223 has an arcuate shape in cross section, with the arcuate opening direction thereof directed toward the housing 21. The edge of the connection hole 211 is machined with a vent part 212 in the form of a plurality of notches. During the filtering operation, the fuel oil is filtered inwards through the filtering medium 14, solid impurities filtered by the oil entering the center post 111 after filtering are still remained, especially, when a new filter element is just replaced during the vehicle maintenance, a large amount of residual air exists due to the installation process, because of different densities, air entering the center post 11 is separated upwards, the oil is led to the internal combustion engine from a pipeline connected with the lower end cover 13 to realize the combustion operation, the air is remained in the upper cavity and the exhaust cavity (23) of the center post 11, the air acts on the sealing part 223 to be sealed and attached around the connecting hole 211 under the action of air pressure to keep the sealing, when the exhaust is needed, the driving part 221 exposed outside the shell 21 is pressed down through a structure carried by a person or a filter to push the sealing part 223 downwards, so that the exhaust cavity 23 is opened and communicated with the outside, air is exhausted from the exhaust cavity 23 from the exhaust part 212 and the gap at the connecting hole 211 to a pressure that does not affect the flow of fuel (i.e., equal to or slightly less than atmospheric pressure, complete vacuum is not possible), and after the air is exhausted, the driving part 221 is released, so that the sealing of the connecting hole 211 can be realized again under the pressure of the residual air, and possible oil splashing is prevented.
In this embodiment, a plurality of vent holes 123 with a circular hole structure are machined on the bottom surface of the cover body 122 for allowing the air in the central tube 11 to enter the air discharge chamber 23.
In this embodiment, a metal mesh sheet 24 transversely disposed in the exhaust cavity 23 is further arranged between the casing 21 and the cover body 122, meshes are densely distributed on the surface of the mesh sheet 24, the mesh sheet 24 is integrally connected to the casing 21 by welding, so that the installation can be conveniently carried out as a structural unit during installation, meanwhile, the mesh sheet 24 structurally separates the exhaust cavity 23 to a certain extent, the movement of the valve core 21 along the axis direction of the connecting hole 211 is limited in an effective working range, and the working stability and the falling prevention are ensured. Meanwhile, dense fine meshes can effectively prevent oil which moves upwards under the action of splashing and the like from entering the exhaust cavity 23 to cause oil leakage. On the other hand, the fine structure of the meshes enables the part of the mesh immersed in the oil liquid to play a role in filtering the oil liquid, and the filtering effect is further improved.
In this embodiment, six circumferentially uniformly distributed connecting keys 124 are integrally formed on the side surface of the cover body 122, the central column 11 is in a porous column shape with a plurality of ring bodies 112 arranged on six circumferentially uniformly distributed connecting ridges 111 at intervals in a surrounding manner, the top end of each connecting ridge 111 is in one-to-one corresponding welding connection with each connecting key 124, and the point-to-point connection is favorable for convenient connection and installation and weight reduction.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention fall into the protection scope of the present invention, and the technical contents of the present invention which are claimed are all described in the claims.
Claims (10)
1. A fuel oil filtering filter element with an exhaust valve structure comprises a central column (11), filter paper (14) surrounding the side surface of the central column (11), an upper end cover (12) and a lower end cover (13) positioned at the upper end and the lower end of the central column (11), characterized in that the upper end cover (12) comprises a cover body (121) and a cover body (122), the cover body (122) is in a rotary body shape extending from the cover body (121) to the direction of the central column (11), an exhaust valve component (2) is arranged in the cover body (122), the exhaust valve component (2) comprises a shell (21) and a valve core (22), the shell (21) is embedded in the cover body (122), an exhaust cavity (23) is formed by enclosing the shell (21) and the cover body (122), the valve core (22) penetrates through the exhaust cavity (23) to the outside and is movably arranged on the shell (21).
2. The fuel filter element with the vent valve structure of claim 1, wherein the casing (21) is in a truncated cone shape with a diameter gradually decreasing downwards, the truncated edge of the truncated cone shape is connected with the cover body (122), the bottom of the casing (21) is abutted against the bottom of the cover body (122), and the center of the bottom of the casing (21) is bulged upwards and forms the vent cavity (23).
3. The fuel filter element with the vent valve structure as recited in claim 2, wherein the cover body (122) has a circumferential ring groove (125) on the inner surface thereof, and the circular truncated edge of the housing (21) is engaged with the ring groove (125).
4. A fuel filter cartridge with a vent valve structure according to claim 2, wherein the bottom surface of the cover body (122) is provided with a sealing ring (126), and the sealing ring (126) is in a ring shape surrounding the vent cavity (23).
5. The fuel oil filtering filter element with the exhaust valve structure according to claim 2, wherein the valve core (22) comprises a driving portion (221), a connecting portion (222) and a sealing portion (223), which are sequentially connected from top to bottom, a connecting hole (211) is formed in the center of the housing (21), the connecting portion (222) is sleeved in the connecting hole (211), and the sealing portion (223) is located in the exhaust cavity (23) and has a diameter larger than that of the connecting hole (211).
6. A fuel filter cartridge with venting valve arrangement according to claim 5, characterized in that said sealing portion (223) is arcuate in cross-section, with its arcuate opening directed towards said housing (21).
7. A fuel filter element with a vent valve structure according to claim 5, wherein the edge of the connecting hole (211) is provided with a plurality of vent parts (212).
8. The fuel filter element with the vent valve structure as recited in claim 1, characterized in that a plurality of vent holes (123) are provided on the bottom surface of the cover body (122).
9. The fuel oil filtering filter element with the vent valve structure as recited in claim 8, further comprising a mesh (24) transversely disposed in the vent cavity (23) between the housing (21) and the cover body (122), wherein meshes are distributed on the surface of the mesh (24).
10. The fuel oil filtering filter element with the exhaust valve structure according to claim 1, wherein a plurality of connecting keys (124) are arranged on the side surface of the cover body (122), the central column (11) is in a porous column shape with a plurality of ring bodies (112) arranged on a plurality of circumferentially uniformly distributed connecting ridges (111) in a surrounding manner at intervals, and the top ends of the connecting ridges (111) are connected with the connecting keys (124) in a welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911164120.4A CN110792539B (en) | 2019-11-25 | 2019-11-25 | Fuel oil filtering filter element with exhaust valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911164120.4A CN110792539B (en) | 2019-11-25 | 2019-11-25 | Fuel oil filtering filter element with exhaust valve structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110792539A true CN110792539A (en) | 2020-02-14 |
| CN110792539B CN110792539B (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911164120.4A Active CN110792539B (en) | 2019-11-25 | 2019-11-25 | Fuel oil filtering filter element with exhaust valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110792539B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240084767A1 (en) * | 2022-09-14 | 2024-03-14 | Zhejiang Weitai Automobile Parts Co., Ltd. | Fuel-water separation filter element capable of exhausting gas, and filter |
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| CN102345542A (en) * | 2011-11-08 | 2012-02-08 | 奥凯嘉集团有限公司 | Spiral gasoline filter |
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| US20160076497A1 (en) * | 2013-05-28 | 2016-03-17 | Mann+Hummel Gmbh | Filter Element |
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| CN207974904U (en) * | 2018-02-09 | 2018-10-16 | 克拉克过滤器（中国）有限公司 | Secondary fuel oil filter |
-
2019
- 2019-11-25 CN CN201911164120.4A patent/CN110792539B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19738805A1 (en) * | 1997-09-05 | 1999-03-18 | Bosch Gmbh Robert | Liquid fuel filter with built-in pressure regulator |
| CN201739054U (en) * | 2010-06-25 | 2011-02-09 | 中国第一汽车集团公司 | Detachable environment-friendly fuel fine filter |
| CN102345542A (en) * | 2011-11-08 | 2012-02-08 | 奥凯嘉集团有限公司 | Spiral gasoline filter |
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| CN103920340A (en) * | 2014-04-02 | 2014-07-16 | 浙江威泰汽配有限公司 | Filter core |
| CN106499554A (en) * | 2016-12-29 | 2017-03-15 | 广西华原过滤系统股份有限公司 | A kind of have degassing function diesel filter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240084767A1 (en) * | 2022-09-14 | 2024-03-14 | Zhejiang Weitai Automobile Parts Co., Ltd. | Fuel-water separation filter element capable of exhausting gas, and filter |
| US12116965B2 (en) * | 2022-09-14 | 2024-10-15 | Zhejiang Weitai Automobile Parts Co., Ltd. | Fuel-water separation filter element capable of exhausting gas, and filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110792539B (en) | 2023-11-21 |
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