CN207298347U - Secondary filtration maintenance instruction function filtering core device - Google Patents

Secondary filtration maintenance instruction function filtering core device Download PDF

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Publication number
CN207298347U
CN207298347U CN201721078599.6U CN201721078599U CN207298347U CN 207298347 U CN207298347 U CN 207298347U CN 201721078599 U CN201721078599 U CN 201721078599U CN 207298347 U CN207298347 U CN 207298347U
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filter core
copper mesh
fuel feed
hole
fixed
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CN201721078599.6U
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Chinese (zh)
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赵富祥
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Abstract

The utility model discloses a kind of secondary filtration to maintain instruction function filtering core device,It is related to filter field,Mainly include filter element body and by-passing valve,Filter element body includes cylindrical housing and filter core,Filter core is coaxially fixed inside the shell,Columnar copper mesh is coaxially fixed in filter core,The upper and lower end face of filter core and copper mesh is fixed by upper mounted plate and bottom plate respectively,Circular hole is equipped with the middle part of upper mounted plate,The circular hole docks the lower port of flowline,Upper mounted plate upper surface is equipped with protruding ring and the lower face of upper cover is fixed,Protruding ring is between copper mesh fuel feed hole and filter core fuel feed hole,It is equipped between protruding ring and circular hole into oil hole,Should be into oil hole while between copper mesh and filter core,By-passing valve includes straight tube oil duct,Direct piping and by-pass line are communicated with straight tube oil duct,Direct piping is communicated to filter core fuel feed hole,By-pass line is communicated to copper mesh fuel feed hole,With the realization function that copper mesh can be filtered when filter core blocks temporarily.

Description

Secondary filtration maintenance instruction function filtering core device
Technical field
A kind of secondary filtration maintenance instruction function filtering core device is the utility model is related to, relates generally to filter field.
Background technology
Filter on existing market mainly includes integral type filter and detachable filter, its difference lies in whether By-passing valve, check-valves and filter core are integrated in the housing of filter, either integral type filter or detachable filtering Its principle of device is on oil circuit where oil circuit where by-passing valve is connected in parallel on filter core.Its effect is to surpass the time used when filter Cross after the stage of replacement, or during lubricating oil cooling, when lubricating oil cannot pass through filter core, to prevent in lubricating system fuel feeding Disconnected, by-passing valve automatically turns on, and lubricating oil enters main oil gallery through by-passing valve direct current so that machinery is not in the phenomenon of oil-break.More than Design is widely used in the field such as engine, gear box hydraulic system always so far, but its defect is also quite obvious, when filter core blocks up When dead or concentration of lubricating oil height causes lubricating oil cannot be by filter core, and is directly entered each component of machinery, Jiu Huizao from by-passing valve Into mechanical wear or damage ring, it is this designed for it is high-grade, precision and advanced be mechanically very worthless.
Utility model content
For above the deficiencies in the prior art, the utility model proposes a kind of secondary filtration to maintain instruction function filtering core device, Copper mesh is capable of providing interim filtering when filter blocks.
To reach above-mentioned purpose, the technical solution of the utility model is:Including filter element body and by-passing valve, the filter core sheet Body includes filter core and columnar shell, and the upper port of the shell is fixed with upper cover, and the middle part of upper cover is equipped with out oil hole, institute State out and flowline be coaxially fixed with oil hole, it is characterised in that the upper cover go out oil hole excircle be laid with it is some Copper mesh fuel feed hole, is also laid with filter core fuel feed hole, filter core is coaxially fixed inside the shell, cylinder in the excircle of copper mesh fuel feed hole The copper mesh of shape is coaxially fixed in filter core, and the upper and lower end face of filter core and copper mesh is fixed by upper mounted plate and bottom plate respectively, Circular hole is equipped with the middle part of upper mounted plate, which docks the lower port of flowline, and upper mounted plate upper surface is equipped with protruding ring and upper cover Lower face fix, protruding ring is between copper mesh fuel feed hole and filter core fuel feed hole, the upper fixation between protruding ring and circular hole Plate is equipped with into oil hole, should be into oil hole between copper mesh and filter core, and outer casing bottom is equipped with spring, which is used for lower solid Fixed board is supported upwards, and the by-passing valve includes straight tube oil duct, is communicated with direct piping and by-pass line on straight tube oil duct, institute State direct piping and be communicated to filter core fuel feed hole, the by-pass line is communicated to copper mesh fuel feed hole.
The technical principle of the utility model is as follows:Using this programme, lubricating oil first has to before entering filter body By by-passing valve, if filter core does not block, then the pressure in straight tube oil duct is normal, and by-pass line is closed, and lubricating oil living passes through Direct piping enters filter core fuel feed hole, then once by filter core and copper mesh, if filter core is blocked, and profit in straight tube oil duct Lubricating oil pressure raises, and gets through by-pass line, and lubricating oil flows to copper mesh fuel feed hole by by-pass line, and lubricating oil can be without Filter core, is directly filtered by copper mesh.The copper mesh can play basic filter effect, avoid lubricating oil not over filtering Enter directly into each component of machinery.
The beneficial effects of the utility model are as follows:By setting copper mesh on the inside of filter core, when filter core does not block Secondary filter can be carried out, filter core can play the role of filtering temporarily when being blocked, and prevent machinery uses from not passing through The lubricating oil of filtering.Using detachable by-passing valve, the maintenance in later stage is more conducive to, improves service life and the reduction of equipment Cost of upkeep.
Further, the left end of straight pipe is oil inlet end, and oil inlet end is equipped with check-valves, and the right end of straight tube oil duct is equipped with sealing plate, Sealing plate is equipped with slide opening, is sliding combined with slide bar in slide opening, and the slide bar end on the left of sealing plate is fixed with piston, piston and sealing plate it Between slide bar on it is outer be cased with spring, the slide bar end on the right side of sealing plate is fixed with limited block, the straight tube between check-valves and piston Oil duct side wall direct piping, is equipped with by-pass line on the straight tube oil duct of piston side, when in use, if by-pass plug Plug, the right end of slide bar can will intuitively check the behaviour in service of filter core, and then take corresponding arrange to there is movement in outside Apply.Avoid being switched on internal structure when inspection and being observed, can timely pinpoint the problems.
Further, piston is cup-shaped, and the left end of slide bar is fixed on the internal piston of cup-shaped, when slip easy to piston, Cup-like structure can accommodate spring, improve space availability ratio.
Further, oil sealing is equipped between the slide opening and slide bar of sealing plate, improves sealing effect.
Further, copper mesh uses the aperture of 165-175 mesh, on the one hand can play interim filtering, on the other hand can Copper mesh is avoided also to block.
Further, straight tube oil duct is equipped with piezoelectric transducer, and the detecting head of piezoelectric transducer is arranged on the left side of limited block, The signal output part of piezoelectric transducer is connected to microcontroller, and the signal output part of microcontroller is connected to buzzer and warning lamp, when Piston limited block when moving right that is under pressure can also move together, and limited block is separated with sealing plate right side, piezoelectric sensing The detecting head of device, which detects that limited block changes its pressure, will think that microcontroller sends signal, and then microcontroller thinks buzzer Signal is sent with warning lamp, so that the start-up operation of buzzer and warning, reminds filter core to block.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Attached drawing is briefly described needed in description, it should be apparent that, drawings in the following description are only that this practicality is new Wherein two width of type, for those of ordinary skill in the art, without having to pay creative labor, can be with root Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of filter element body;
Fig. 2 is the structure diagram of by-passing valve;
Fig. 3 is warning circuit block diagram.
Wherein, 1- straight tubes oil duct, 2- pistons, 3- slide bars, 4- oil sealings, 5- check-valves, 6.1- direct pipings, 6.2- filter cores into Oilhole, 7.1- by-pass lines, 7.2- copper mesh fuel feed holes, 8- upper covers, 9- shells, 10- upper mounted plates, 11- filter cores, 12- copper mesh, 13- bottom plates, 14- flowlines, 15- detecting heads, 16- buzzers.
Embodiment
Below in conjunction with attached drawing, the technical solution in the utility model is clearly and completely described, it is clear that retouched The embodiment stated is only the preferred embodiment of the utility model, instead of all the embodiments.Based in the utility model Embodiment, those of ordinary skill in the art's all other embodiments obtained without making creative work, all Belong to the scope of the utility model protection.
Embodiment
As shown in Figure 1 to Figure 3, the utility model embodiment includes by-passing valve and filter element body, and the technical program is using filter Core body and the separated structure of by-passing valve, easy to individually be safeguarded to it.
As shown in Fig. 2, by-passing valve includes straight tube oil duct 1, the left end of straight pipe is oil inlet end, and lubricating oil enters from there, Oil inlet end is equipped with check-valves 5, prevents machine oil from flowing back, and check-valves 5 is the prior art, therefore is not detailed herein.Straight tube oil duct 1 Right end is equipped with sealing plate, and sealing plate is equipped with slide opening, and slide bar 3 is sliding combined with slide opening, and oil is equipped between the slide opening and slide bar 3 of sealing plate Envelope 4.3 end of slide bar on the left of sealing plate is fixed with piston 2, and piston 2 is cup-like structure, and the left end of slide bar 3 is fixed on the work of cup-shaped Inside plug 2, when slip to the right easy to piston 2, spring, which is compressed, to be accommodated in inside the cup-like structure of piston 2.Piston 2 and envelope Outer on slide bar 3 between plate to be cased with spring, 3 end of slide bar on the right side of sealing plate is fixed with limited block, in check-valves 5 and piston 2 Between 1 side wall of straight tube oil duct direct piping 6.1 is set, be communicated with direct piping 6.1 and by-pass line 7.1 on straight tube oil duct 1, By-pass line 7.1 is equipped with the straight tube oil duct 1 of 2 side of piston.The setting of by-pass line 7.1 needs to meet the situation in normal pressure Under, the left side of piston 2 is located at the left surface of 7.1 mouthfuls of by-pass line, and the bottom sidewall of the cup-like structure sets one and is communicated to The air hole of by-pass line 7.1, can effectively slide to the right easy to piston 2.
As shown in figure 3, straight tube oil duct 1 is equipped with piezoelectric transducer, the detecting head 15 of piezoelectric transducer is arranged on limited block Left side, the signal output part of piezoelectric transducer are connected to microcontroller, and the signal output part of microcontroller is connected to buzzer and police Show lamp.Limited block can also move together when piston 2, which is under pressure, to move right, and limited block is separated with sealing plate right side, The detecting head 15 of piezoelectric transducer, which detects that limited block changes its pressure, will think that microcontroller sends signal, then monolithic Machine sends signal to buzzer 16 and warning lamp, so that the start-up operation of buzzer and warning, reminds filter core 11 to block up Plug.
As shown in Figure 1, filter element body includes cylindrical housing 9 and the filter core being arranged in shell 9, the upper port of shell 9 Upper cover 8 is fixed with, the middle part of upper cover 8 sets out oil hole, goes out and flowline 14 is coaxially fixed with oil hole, upper cover oil outlet Excircle is laid with copper mesh fuel feed hole, and copper mesh fuel feed hole 7.2 is connected with by-pass line 7.1, the lubricating oil by filtering from this Place's outflow.Filter core fuel feed hole 6.2, filter core fuel feed hole 6.2 and direct piping are also laid with the excircle of copper mesh fuel feed hole 7.2 6.1 connection.
Filter core 11 is coaxially fixed in shell 9, and columnar copper mesh 12 is coaxially fixed in filter core 11, in upper mounted plate It is additionally provided with towards support tube and is fixed on the inside of copper mesh between bottom plate, which, can using the copper mesh of 170 mesh filter hole Play secondary filter when not blocking, blocking when plays the role of filtering temporarily.Filter core 11 and copper mesh 12 it is upper Lower face is fixed by upper mounted plate 10 and bottom plate 13 respectively.
The middle part of upper mounted plate 10 is equipped with circular hole, which docks the lower port of flowline 14, and 10 upper surface of upper mounted plate is set There are protruding ring and the lower face of upper cover 8 to fix, protruding ring is incited somebody to action between copper mesh fuel feed hole 7.2 and filter core fuel feed hole 6.2 Copper mesh fuel feed hole 7.2 and filter core fuel feed hole 6.2 are isolated into two oil ducts.
Upper mounted plate 10 between protruding ring and circular hole is equipped with into oil hole, should be located at 12 He of copper mesh at the same time into oil hole Between filter core, equipped with being fixed between copper mesh fuel feed hole 7.2 and filter core fuel feed hole 6.2.
Outer casing bottom is supported bottom plate equipped with spring upwards.
When filter core does not block, the by-pass line 7.1 of by-passing valve is not turned on, and lubricating oil only flows to direct piping 6.1 streams, by filter core fuel feed hole 6.2, then into filter core excircle, by the secondary filtration of filter core and copper mesh 12 from fuel-displaced Pipe 14 flows out;After filter core blocks, copper mesh 12 is in the component of secondary filtration, and copper mesh 12 will not block at this time, lubrication Oil cannot be timely by filter core, and due to the presence of check-valves 5, the pressure of lubricating oil will be increasing in by-passing valve, and progressively Piston 2 is promoted to the right, and then connects straight tube oil duct 1 and by-pass line 7.1, lubricating oil from by-pass line 7.1 by copper mesh into Oilhole 7.2, eventually arrives between copper mesh and filter core, and then lubricating oil is only just flowed out by copper mesh filtering from flowline 14, at this time Copper mesh plays the role of filtering temporarily, avoids lubricating oil and directly reaches each parts without filtering.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model Within the scope of shield.

Claims (6)

1. secondary filtration maintenance instruction function filtering core device, including filter element body and by-passing valve, the filter element body include filter core and Columnar shell, the upper port of the shell are fixed with upper cover, and the middle part of upper cover is equipped with out oil hole, it is described go out oil hole in Coaxially it is fixed with flowline, it is characterised in that the excircle that the upper cover goes out oil hole is laid with some copper mesh fuel feed holes, The excircle of copper mesh fuel feed hole is also laid with filter core fuel feed hole,
Filter core is coaxially fixed, and columnar copper mesh is coaxially fixed in filter core inside the shell, the upper and lower end face point of filter core and copper mesh Do not fixed by upper mounted plate and bottom plate,
Circular hole is equipped with the middle part of fixed plate, which docks the lower port of flowline, and upper mounted plate upper surface is equipped with protrusion The lower face of ring and upper cover is fixed, protruding ring between copper mesh fuel feed hole and filter core fuel feed hole,
Upper mounted plate between protruding ring and circular hole is equipped with into oil hole, is somebody's turn to do into oil hole between copper mesh and filter core,
Outer casing bottom is equipped with spring, which is used to be supported bottom plate upwards,
The by-passing valve includes straight tube oil duct, and direct piping and by-pass line are communicated with straight tube oil duct, and the direct piping connects Filter core fuel feed hole is led to, the by-pass line is communicated to copper mesh fuel feed hole.
2. secondary filtration maintenance instruction function filtering core device according to claim 1, it is characterised in that:The left end of straight pipe is Oil inlet end, oil inlet end are equipped with check-valves, and the right end of straight tube oil duct is equipped with sealing plate, and sealing plate is equipped with slide opening, is slidably matched in slide opening There is a slide bar, the slide bar end on the left of the sealing plate is fixed with piston, outer on the slide bar between piston and sealing plate to be cased with spring, described Slide bar end on the right side of sealing plate is fixed with limited block, and the straight tube oil duct side wall between check-valves and piston sets direct piping, By-pass line is equipped with the straight tube oil duct of piston side.
3. secondary filtration maintenance instruction function filtering core device according to claim 2, it is characterised in that:Piston is cup-shaped knot Structure, the left end of the slide bar are fixed on the internal piston of cup-like structure.
4. secondary filtration maintenance instruction function filtering core device according to claim 2, it is characterised in that:The slide opening of the sealing plate Oil sealing is equipped between slide bar.
5. secondary filtration maintenance instruction function filtering core device according to claim 1, it is characterised in that:The copper mesh uses The aperture of 165-175 mesh.
6. secondary filtration maintenance instruction function filtering core device according to claim 2, it is characterised in that:The straight tube oil duct is set There is piezoelectric transducer, the detecting head of piezoelectric transducer is arranged on the left side of limited block, and the signal output part of piezoelectric transducer connects Microcontroller is connected to, the signal output part of microcontroller is connected to buzzer and warning lamp.
CN201721078599.6U 2017-08-25 2017-08-25 Secondary filtration maintenance instruction function filtering core device Active CN207298347U (en)

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CN201721078599.6U CN207298347U (en) 2017-08-25 2017-08-25 Secondary filtration maintenance instruction function filtering core device

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Application Number Priority Date Filing Date Title
CN201721078599.6U CN207298347U (en) 2017-08-25 2017-08-25 Secondary filtration maintenance instruction function filtering core device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111828126A (en) * 2020-06-05 2020-10-27 湖南罗佑发动机部件有限公司 Engine oil circuit structure and vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111828126A (en) * 2020-06-05 2020-10-27 湖南罗佑发动机部件有限公司 Engine oil circuit structure and vehicle

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