CN116371042B - Filter element of lubricating oil filter and manufacturing method thereof - Google Patents
Filter element of lubricating oil filter and manufacturing method thereof Download PDFInfo
- Publication number
- CN116371042B CN116371042B CN202310313344.7A CN202310313344A CN116371042B CN 116371042 B CN116371042 B CN 116371042B CN 202310313344 A CN202310313344 A CN 202310313344A CN 116371042 B CN116371042 B CN 116371042B
- Authority
- CN
- China
- Prior art keywords
- filter screen
- nest
- insert
- inner cavity
- filter
- 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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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000003921 oil Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000007423 decrease Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 abstract description 4
- 230000001050 lubricating effect Effects 0.000 description 5
- 239000004519 grease Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/23—Supported filter elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
一种润滑油过滤器滤芯，其特征在于包括连接头、端盖、滤网、第一嵌套、第一嵌块、第二嵌套及第二嵌块，滤网呈筒状，一端设于前述连接头的第一内腔壁，另一端设于前述端盖的第二内腔壁；第一嵌块嵌设于前述第一嵌套内腔并将第一嵌套撑开以使滤网的一端紧固于连接头的第一内腔壁；该第一嵌块具有中心通孔而与连接头的出油口连通；第二嵌块嵌设于前述第二嵌套内腔并将第二嵌套撑开以使滤网的另一端紧固于端盖的第二内腔壁。本发明还公开了润滑油过滤器滤芯的制作方法。滤网一端通过第一嵌块和第一嵌套进行紧固装配，另一端通过第二嵌块和第二嵌套进行装配，两端均连接牢固，不易脱开，连接强度远大于焊接方式；而且，整体装配快捷。
A lubricating oil filter element, characterized in that it includes a connector, an end cover, a filter screen, a first nest, a first insert, a second nest and a second insert. The filter screen is cylindrical, with one end arranged on the first inner cavity wall of the aforementioned connector, and the other end arranged on the second inner cavity wall of the aforementioned end cover; the first insert is embedded in the aforementioned first nest inner cavity and the first nest is stretched open so that one end of the filter screen is fastened to the first inner cavity wall of the connector; the first insert has a central through hole and is connected to the oil outlet of the connector; the second insert is embedded in the aforementioned second nest inner cavity and the second nest is stretched open so that the other end of the filter screen is fastened to the second inner cavity wall of the end cover. The present invention also discloses a method for making a lubricating oil filter element. One end of the filter screen is fastened and assembled by the first insert and the first nest, and the other end is assembled by the second insert and the second nest. Both ends are firmly connected and not easy to disengage. The connection strength is much greater than that of the welding method; and the overall assembly is quick.
Description
Technical Field
The invention relates to a filter element of a filter, and also relates to a manufacturing method of the filter element, and the filter element can be used for filtering lubricating oil or lubricating grease.
Background
The lubricating pump is used as an oil source of a lubricating device, can provide lubricating oil or lubricating grease at regular time, is widely applied to the field of mechanical equipment, and has the basic structure comprising a motor, a pump body and an oil tank, wherein an oil inlet end of the oil tank is often provided with a lubricating oil filter, a lubricating medium entering the oil tank is filtered and filtered to remove impurities, the current lubricating oil filter comprises a filter shell and a filter element arranged in the filter shell, the filter element generally comprises a framework and a filter screen arranged on the framework, the filter screen is generally connected with the framework into a whole in a welding mode or a filter screen insert injection molding mode, and in the long-term use process, after impurities are accumulated on the filter screen to a certain extent, a large pressure difference is formed, the welded part is finally separated, and the function of the filter screen is invalid. The related literature can refer to a Chinese patent application patent of ZL201220511802.5 (issued publication number CN 202860234) for easily-detachable cleaning filter of compressor lubricating oil and a Chinese patent application patent of ZL202121219628.2 (issued publication number CN 218062646U) for novel energy-saving automatic lubrication pump.
The oil filter is also connected in an adhesive mode, and the oil filter is also provided with the defect of weak connection in China patent No. ZL200920103490.2 (issued to CN 201454201U).
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a lubricating oil filter cartridge with a firmly connected filter screen, aiming at the above state of the art.
The second technical problem to be solved by the present invention is to provide a method for manufacturing a lubricating oil filter element with a firmly connected filter screen, aiming at the above state of the art.
The invention solves the first technical problem that the invention adopts the technical proposal that the filter element of the lubricating oil filter is characterized by comprising
The connector is axially hollow to form an oil outlet and is provided with a first inner cavity wall;
an end cap having a second lumen wall;
The filter screen is cylindrical, one end of the filter screen is arranged on the first inner cavity wall of the connector, and the other end of the filter screen is arranged on the second inner cavity wall of the end cover;
A first nest having elasticity in the radial direction and disposed on the inner wall of one end of the filter screen;
the first embedding block is embedded in the first nesting inner cavity and stretches the first nesting so that one end of the filter screen is fastened on the first inner cavity wall of the connector;
A second nest radially having elasticity and disposed on the inner wall of the other end of the filter screen, and
The second embedding block is embedded in the second embedding cavity and stretches the second embedding cavity so that the other end of the filter screen is fastened on the second cavity wall of the end cover.
Preferably, the inner diameter of the first nest gradually decreases from top to bottom to form an inverted frustum shape, and correspondingly, the outer diameter of the first insert gradually decreases from top to bottom to form a frustum shape.
Preferably, the inner diameter of the second nest gradually expands from top to bottom to form a frustum shape, and correspondingly, the outer diameter of the second insert gradually expands from top to bottom to form an inverted frustum shape.
Preferably, the first nest has a first notch and radial elasticity. The second nest has a second notch and radial elasticity.
The filter screen comprises a skeleton filter screen and a peripheral filter screen arranged on the outer side of the skeleton filter screen, wherein the pore diameter of the filter hole of the skeleton filter screen is larger than that of the peripheral filter screen. The skeleton filter screen is used for providing the intensity of filter screen whole.
The technical scheme adopted for solving the second technical problem is that the manufacturing method of the lubricating oil filter element comprises the following steps:
The method comprises the steps of inserting a first nest and a first embedding block into one end of a filter screen in advance, placing one end of the filter screen on a first inner cavity wall of a connector, enabling external force to act on the first embedding block, enabling the first embedding block to move and enable the first nest to open, further fastening one end of the filter screen on the connector, inserting a second nest and a second embedding block into the other end of the filter screen, placing the other end of the filter screen on a second inner cavity wall of an end cover, enabling external force to act on the second embedding block, enabling the second embedding block to move and enable the second nest to open, further fastening the other end of the filter screen on the end cover, and completing assembly of the filter element.
The external force adopts the cylinder, and this cylinder includes cylinder body and relative cylinder body telescopic push rod, and this push rod can act on aforesaid first abaculus and second abaculus.
Compared with the prior art, the novel integrated filter screen has the advantages that one end of the filter screen is fastened and assembled through the first embedded block and the first nest, the other end of the filter screen is assembled through the second embedded block and the second nest, the two ends of the filter screen are firmly connected and are not easy to disconnect, the connection strength is far higher than that of a welding mode, and the integrated filter screen is fast to assemble.
Drawings
Fig. 1 is an enlarged schematic view of a lubricating oil filter.
Fig. 2 is a schematic view of another view of a lubricant filter.
Fig. 3 is an exploded view of fig. 1.
Fig. 4 is an exploded view of the cartridge of fig. 3.
Fig. 5 is an exploded view of the screen of fig. 4.
Fig. 6 is a cross-sectional view of a lube filter.
Fig. 7 is a view showing the first nest and the first slug inserted into one end of the screen in advance.
Fig. 8 is a perspective cross-sectional view of fig. 7.
Fig. 9 is a view showing the second nest and the second slug inserted into the other end of the screen in advance.
Fig. 10 is a perspective cross-sectional view of fig. 9.
Fig. 11 is a schematic view of a cylinder structure as an external force.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 and 2, the lubricating oil filter in this embodiment includes a filter housing 1 and a filter element 10 provided in the filter housing 1, the filter housing 1 having an oil inlet port 11 and an oil outlet port.
As shown in fig. 3, 4 and 6, the filter cartridge 10 of this embodiment includes a connector 8, an end cap 2, a filter screen 5, a first nest 7, a first insert 6, a second nest 3 and a second insert 4.
The connector 8 is axially hollow to form an oil outlet 81 and is provided with a first inner cavity wall, and the outer end of the connector 8 is provided with external threads 82 which are matched with the internal threads of the oil outlet port of the filter shell 1. The end cap 2 has a second lumen wall;
The filter screen 5 is cylindrical, one end of the filter screen 5 is arranged on the first inner cavity wall of the connector 8, the other end of the filter screen 5 is arranged on the second inner cavity wall of the end cover 2, and the filter screen 5 in the embodiment comprises a skeleton filter screen 51 and a peripheral filter screen 52 arranged on the outer side of the skeleton filter screen 51, wherein the pore diameter of the filter holes of the skeleton filter screen 51 is larger than that of the peripheral filter screen 52, as shown in fig. 5.
The first nest 7 is radially provided with an inner wall which is elastically arranged at one end of the filter screen 5, the first insert 6 is embedded in the inner cavity of the first nest 7 and stretches the first nest 7 so that one end of the filter screen 5 is fastened to the first inner cavity wall of the connector 8, and the first insert 6 is provided with a central through hole and is communicated with the oil outlet 81 of the connector 8.
The second nest 3 is radially provided with an inner wall which is elastically arranged at the other end of the filter screen 5, and the second embedded block 4 is embedded in the inner cavity of the second nest 3 and stretches the second nest 3 so that the other end of the filter screen 5 is fastened to the wall of the second inner cavity of the end cover 2.
The inner diameter of the first nest 7 gradually decreases from top to bottom to form an inverted frustum shape, and correspondingly, the outer diameter of the first insert 6 gradually decreases from top to bottom to form a frustum shape. The inner diameter of the second nest 3 is gradually enlarged from top to bottom to form a frustum shape, and correspondingly, the outer diameter of the second insert 4 is gradually enlarged from top to bottom to form an inverted frustum shape. The first nest 7 has a first notch 71 and is radially resilient. The second nest 3 has a second notch 31 and is radially elastic. The first notch 71 and the second notch 31 are both inclined.
The manufacturing method of the filter element comprises the following steps:
As shown in fig. 7 and 8, the first nest 7 and the first insert 6 are plugged into one end of the filter screen 5 in advance, one end of the filter screen 5 is placed on the first inner cavity wall of the connector 8, external force acts on the first insert 6, the first insert 6 moves and opens the first nest 7 to fasten one end of the filter screen 5 to the connector 8, then, as shown in fig. 9 and 10, the second nest 3 and the second insert 4 are plugged into the other end of the filter screen 5, the other end of the filter screen 5 is placed on the second inner cavity wall of the end cover 2, external force acts on the second insert 4, the second insert 4 moves and opens the second nest 3 to fasten the other end of the filter screen 5 to the end cover 2, and the assembly of the filter element 10 is completed. The filter element 10 is connected with the filter shell 1 through threads.
As shown in fig. 11, an external force is applied to the cylinder 1a, and the cylinder 1a includes a cylinder 11a and a push rod 12a that is extendable and retractable with respect to the cylinder 11a, and the push rod 12a can act on the first insert 6 and the second insert 4.
One end of the filter screen is fastened and assembled through the first embedded block and the first nest, the other end of the filter screen is assembled through the second embedded block and the second nest, the two ends of the filter screen are firmly connected and are not easy to disconnect, the connection strength is far greater than that of a welding mode, and the whole assembly is rapid.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310313344.7A CN116371042B (en) | 2023-03-27 | 2023-03-27 | Filter element of lubricating oil filter and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310313344.7A CN116371042B (en) | 2023-03-27 | 2023-03-27 | Filter element of lubricating oil filter and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116371042A CN116371042A (en) | 2023-07-04 |
| CN116371042B true CN116371042B (en) | 2025-04-22 |
Family
ID=86966875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310313344.7A Active CN116371042B (en) | 2023-03-27 | 2023-03-27 | Filter element of lubricating oil filter and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116371042B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593966A (en) * | 2015-03-03 | 2015-05-06 | 湖州申祥丝织有限责任公司 | Injection pipe for injection type skein dyeing machine |
| CN217646196U (en) * | 2022-05-19 | 2022-10-25 | 绍兴市凯宏膜技术有限公司 | Novel cross-flow filter element |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6830686B2 (en) * | 2000-01-12 | 2004-12-14 | Rct Technologies, Llc | Filter cartridge support |
| CN101434189A (en) * | 2008-12-16 | 2009-05-20 | 奇瑞汽车股份有限公司 | Connection structure of suspension bracket |
| US9469551B2 (en) * | 2013-05-31 | 2016-10-18 | Kx Technologies Llc | Filter cartridge |
| CN109833669A (en) * | 2017-11-27 | 2019-06-04 | 江苏鑫祺泰炭业科技有限公司 | A kind of column-shaped active carbon filter core with skeleton |
| CN115680497B (en) * | 2022-10-25 | 2024-05-07 | 天津大学 | Quick well drilling device and method with separable filter tube and inner core drill rod |
-
2023
- 2023-03-27 CN CN202310313344.7A patent/CN116371042B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593966A (en) * | 2015-03-03 | 2015-05-06 | 湖州申祥丝织有限责任公司 | Injection pipe for injection type skein dyeing machine |
| CN217646196U (en) * | 2022-05-19 | 2022-10-25 | 绍兴市凯宏膜技术有限公司 | Novel cross-flow filter element |
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| Publication number | Publication date |
|---|---|
| CN116371042A (en) | 2023-07-04 |
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