CN205330847U - Diesel filter - Google Patents
Diesel filter Download PDFInfo
- Publication number
- CN205330847U CN205330847U CN201620071995.5U CN201620071995U CN205330847U CN 205330847 U CN205330847 U CN 205330847U CN 201620071995 U CN201620071995 U CN 201620071995U CN 205330847 U CN205330847 U CN 205330847U
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- shell body
- end cover
- element kit
- paper core
- filter
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Abstract
The utility model discloses a diesel filter, including the shell body with set up in the inside filter element group spare of shell body, still including set up in the shell body with between the filter element group spare and be used for guiding the water conservancy diversion structure to the internal face of shell body on with getting into fluid in the shell body. The utility model discloses a diesel filter, through setting up the water conservancy diversion structure in that the shell body is inside, will get into the diesel oil and impurity direction shell body inside wall of shell body on, make diesel oil and impurity lean on the gravity whereabouts and flow bottom the shell body to can avoid impurity in the fuel to adhere to on the filter paper core and lead to filter element group spare to block up, reduce the frequency that filter element group spare was changed, prolong diesel filter's life.
Description
Technical field
This utility model belongs to cleaner technical field, and specifically, this utility model relates to a kind of diesel fuel filter。
Background technology
Recent decades, Diesel engine there occurs huge change, has possessed higher horsepower, higher fuel efficiency and better reliability。Along with the development of technology, electromotor is provided with greatly high-pressure common-rail fuel system (HPCR), and it requires the bigger pressure of up to 2000bar and tightened up tolerance。When organic or inorganic pollution, including water, impurity penetrates into fuel oil supply system, and fuel oil parts are easy for being damaged。And preventing the critical component of these potential dangers is exactly diesel fuel filter。
Diesel fuel filter can be divided into rough filter of diesel, diesel oil water separator, diesel fine filter according to effect。As the term suggests rough filter of diesel major function is exactly impurity relatively larger in preliminary filtered fuel, it is generally seated in fuel tank。The major function of oil water separator is exactly separate the water in diesel oil。The existence of water is very harmful for fuel system for diesel engine, corrosion, abrasion, the stuck combustion process that even can worsen diesel oil。And the diesel oil sulfur content of China is higher, easily reacting with water when burning produces sulphuric acid and corrodes engine component afterwards。Under state four standard, diesel fine filter is primarily used in filtered fuel the impurity of 3-5 μm, is main filtration parts。Oil water separator and fine filter are generally seated in outside fuel tank, it is simple to observe, maintain。But owing to the filter efficiency of diesel fuel filter is higher, its filter paper core requires more strict, and conventional based on composite, relatively advanced is nanometer materials, can keeping the oil-water separation efficiency of more than 95%, dust proof rate is also compared and common to be improved more than 3.5 times。Structure is also required to more advanced, filter element is as the core component of cleaner, the filter element of existing diesel fuel filter is taken in after oil is come in and is flowed directly to filter paper core from upper cover, harmful substance also blocks filter paper core therewith flowing from top to bottom, after causing element kit blocking, fuel oil runs out of and affects running car。
Utility model content
This utility model provides a kind of diesel fuel filter, it is therefore an objective to avoids the impurity in fuel oil to be attached to and causes that element kit blocks on filter paper core。
To achieve these goals, the technical scheme that this utility model is taked is: diesel fuel filter, including shell body and be arranged at element kit shell body within, also include being arranged between described shell body and described element kit and flow-guiding structure in the fluid guiding that will enter in shell body to the internal face of shell body。
Described flow-guiding structure has for guiding fluid to the internal face of described shell body and for tilting the guide face extended。
Described flow-guiding structure is the flow guiding disc being sheathed on described element kit。
Described flow guiding disc is cone。
Described flow guiding disc has bigger diameter end and miner diameter end, and miner diameter end is connected with described element kit, and bigger diameter end is between element kit and described shell body。
Described element kit includes upper end cover, bottom end cover and the filter paper core being clipped between upper end cover and bottom end cover, and described flow-guiding structure is connected between filter paper core with described shell body and with upper end cover。
Described filter paper core is conical structure, and the bigger diameter end of filter paper core is connected with described upper end cover, and the miner diameter end of filter paper core is connected with described bottom end cover。
The diameter of described upper end cover is more than the diameter of described bottom end cover。
Diesel fuel filter of the present utility model, by enclosure interior outside, flow-guiding structure is set, by on the diesel oil and the impurity guiding shell body medial wall that enter shell body, diesel oil and impurity is made to depend on gravity fall to flow bottom shell body, such that it is able to avoid the impurity in fuel oil to be attached to filter paper core causes that element kit blocks, decrease the frequency that element kit is changed, extend the service life of diesel fuel filter。
Accompanying drawing explanation
This specification includes the following drawings, it is shown that content respectively:
Fig. 1 is the sectional view of this utility model diesel fuel filter；
Figure is labeled as:
1, exterior seal ring；2, thread plate；21, oil-in；22, oil-out；23, sleeve pipe is connected；3, inner seal ring；4, element kit；41, upper end cover；42, bottom end cover；43, filter paper core；44, Sealed casing pipe；5, spring is supported；6, shell body；7, discharging valve；8, pressing plate；9, flow guiding disc。
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, detailed description of the invention of the present utility model is described in further detail, it is therefore an objective to help those skilled in the art that design of the present utility model, technical scheme are had more complete, accurate and deep understanding, and contribute to its enforcement。
For ease of understanding, in this article, for instance for the diesel fuel filter vertically placed shown in Fig. 1, also place in vertical state when diesel fuel filter uses on vehicle。In the following detailed description, for ease of explaining, elaborate that many concrete details are to provide the comprehensive understanding to present disclosure embodiment。It should be apparent, however, that one or more embodiments can also be implemented when not having these details。In other cases, known construction and device diagrammatically embodies to simplify accompanying drawing。
As it is shown in figure 1, this utility model provides a kind of diesel fuel filter, including shell body 6, it is arranged at the element kit 4 within shell body 6, pressing plate 8, thread plate 2, discharging valve 7 and supports spring 5。Shell body 6 is the cylindrical casing member of both ends open, inner hollow, and the lower ending opening of shell body 6 is dewatering outlet, and discharging valve 7 inserts in dewatering outlet and is connected with shell body 6。The upper end open diameter of shell body 6 is more than the diameter of lower ending opening, pressing plate 8 is fixing with shell body 6 at the upper end open place of shell body 6 to be connected, thread plate 2 is positioned at below pressing plate 8 and fixes with pressing plate 8 and is connected, the upper end open of thread plate 2 and pressing plate 8 closure body 6。Thread plate 2 is between pressing plate 8 and element kit 4, it is connected for glueing joint between thread plate 2 with element kit 4, thread plate 2 has oil-in 21 and oil-out 22, element kit 4 includes upper end cover 41, bottom end cover 42 and be clipped in the filter paper core 43 between upper end cover 41 and bottom end cover 42, support spring 5 it is provided with between the bottom end cover 42 and the inner bottom part of shell body 6 of element kit 4, support spring 5 for compression spring, elastic force can be produced, for upwards jack-up element kit 4, thread plate 2 is made to be clipped between element kit 4 and pressing plate 8 all the time, and may insure that element kit 4 and thread plate 2 stick together firmly, thus the connection reliability that improve between thread plate 2 and element kit 4, also just improve the stability that cleaner uses。
As shown in Figure 1, diesel fuel filter of the present utility model also includes being arranged between shell body 6 and element kit 4 and fluid for entering in shell body 6 through oil-in 21 guides the flow-guiding structure to the internal face of shell body 6, such diesel oil and impurity just can depend on gravity fall to flow bottom support spring 5 position of shell body 6 on the sidewall of shell body 6, such that it is able to avoid fuel oil stream to make subsidiary impurity be attached on filter paper core 43 to element kit 4, avoid element kit 4 to block, and then decrease the frequency that element kit 4 is changed, extend the service life of diesel fuel filter。
As preferably, flow-guiding structure has for guiding fluid to the internal face of shell body 6 and for tilting the guide face extended, the bearing of trend of guide face is tilt to extend obliquely downward, and be circumferentially closed, so that the diesel oil in all entrance shell bodies 6 is all guided to the internal face of shell body 6 by guide face, between outer rim and the internal face of shell body 6 of guide face, there is the gap allowing diesel oil and impurity pass through。
As it is shown in figure 1, in the present embodiment, flow-guiding structure is the flow guiding disc 9 being sheathed on element kit 4。Flow guiding disc 9 has for guiding fluid to the internal face of shell body 6 and for tilting the outer surface extended, the outside obliquely downward that the bearing of trend of the outer surface of flow guiding disc 9 is towards element kit 4 tilts to extend, and be circumferentially closed, enclose around element kit 4 one, form guide face, make the diesel oil in all entrance shell bodies 6 all be guided to the internal face of shell body 6 by guide face, between outer rim and the internal face of shell body 6 of the outer surface of flow guiding disc 9, there is the gap allowing diesel oil and impurity pass through。
As shown in Figure 1, in the present embodiment, flow guiding disc 9 is the conical shell structure of both ends open, inner hollow, flow guiding disc 9 has a bigger diameter end and a miner diameter end, the diameter of bigger diameter end is more than the diameter of miner diameter end, the diameter of miner diameter end is more than zero, and the miner diameter end of flow guiding disc 9 is connected with the upper end of element kit 4, and the bigger diameter end of flow guiding disc 9 is between element kit 4 and shell body 6。Flow guiding disc 9 and bigger diameter end are positioned at the lower section of miner diameter end, and flow guiding disc 9 is in the state opened wide downward, and the outer conical surface of guide face is as the guide face contacted with diesel oil, so that the diesel oil in all entrance shell bodies 6 all guides to the internal face of shell body 6。
As shown in Figure 1, flow guiding disc 9 is coaxial with shell body 6 and element kit 4, the overall diameter of the bigger diameter end of flow guiding disc 9 is less than the interior diameter of shell body 6, between outer rim and the internal face of shell body 6 of the bigger diameter end of flow guiding disc 9, there is the gap allowing diesel oil and impurity pass through, it is ensured that diesel oil and impurity can flow to the bottom of shell body 6 along the internal face of shell body 6。
As it is shown in figure 1, element kit 4 includes upper end cover 41, bottom end cover 42 and the filter paper core 43 being clipped between upper end cover 41 and bottom end cover 42, flow guiding disc 9 is fixed between filter paper core 43 with shell body 6 and with upper end cover 41 and is connected。The upper end of filter paper core 43 is fixing with upper end cover 41 to be connected, the lower end of filter paper core 43 is fixing with bottom end cover 42 to be connected, upper end cover 41 has the external cylindrical surface coaxial with shell body 6 and flow guiding disc 9, the miner diameter end of flow guiding disc 9 and the lower edge of this external cylindrical surface are fixedly connected into integrative-structure, and the equal diameters of the miner diameter end of the diameter of this external cylindrical surface of upper end cover 41 and flow guiding disc 9, flow guiding disc 9 and upper end cover 41 junction gapless, it is ensured that diesel oil and impurity will not flow on filter paper core 43。
The filter paper core shape of diesel fuel filter of the prior art is all the cylindrical structural that diameter is constant so that diesel oil flows directly on filter paper core after entering shell body 6, and harmful substance also blocks filter paper core therewith flowing from top to bottom。As preferably, as shown in Figure 1, the filter paper core 43 of this utility model diesel fuel filter is conical structure, filter paper core 43 has a bigger diameter end and a miner diameter end, and the diameter of bigger diameter end is more than the diameter of miner diameter end, and the diameter of miner diameter end is more than zero, the bigger diameter end of filter paper core 43 is positioned at the top of miner diameter end, the bigger diameter end of filter paper core 43 and upper end cover 41 is fixing to be connected, and the miner diameter end of filter paper core 43 is fixed with bottom end cover 42 and is connected, filter paper core 43 and coaxial with upper end cover 41 and bottom end cover 42。
As shown in Figure 1, the diameter of the upper end cover 41 of element kit 4 is more than the diameter of bottom end cover 42, gap between upper end cover 41 and shell body 6 is more than the gap between bottom end cover 42 and shell body 6, the diameter of the bigger diameter end of filter paper core 43 is less than the diameter of upper end cover 41, and the diameter of the miner diameter end of filter paper core 43 is less than the diameter of bottom end cover 42。The outer surface of filter paper core 43 is upper coarse and lower fine taper seat, when after diesel oil with trash flow to the bottom of shell body 6, the impurity that weight is big is sunken to bottom, and the impurity wherein tiny when filter paper core 43 filters of diesel oil will float therewith, it is attached on filter paper core 43, the impurity that the filter paper core 43 of cone can allow attachment many drops to the bottom of shell body 6 automatically, in order to allow harmful substance bleed off when discharging water。
Diesel fuel filter of the present utility model is by adopting the filter paper core 43 of conical structure, and coordinate flow guiding disc 9, can effectively avoid the impurity in fuel oil to be attached to and filter paper core 43 causes that element kit 4 blocks, impurity is deposited on the bottom of shell body 6, and final impurity can be let go with opening of discharging valve 7 when discharging water。
As shown in Figure 1, the center of thread plate 2 is provided with axially towards the internal connection sleeve pipe 23 protruded of shell body 6, the centre bore of this connection sleeve pipe 23 is oil-out 22, and the internal face of this connection sleeve pipe 23 is provided with female thread, for connecting with the connection axle on filter seat。Oil-in 21 on thread plate 2 is to be evenly distributed multiple in the outside of oil-out 22, and upper end cover 41 is positioned at the underface of oil-in 21, and the end face of upper end cover 41 is the plane vertical with its axis, contributes to diesel oil flowing。Diesel oil enters in shell body 6 from oil-in 21, after the filtration of element kit 4, flows out through oil-out 22 after, as shown by arrows in FIG., represents diesel oil flow direction。
As shown in Figure 1, it is provided with in the center of the upper end cover 41 of element kit 4 and protrudes and be enclosed within the Sealed casing pipe 44 connected outside sleeve pipe 23 axially towards thread plate 2 upward, Sealed casing pipe 44 is with to be connected sleeve pipe 23 coaxial, oil-out 22 is connected with the centre bore in element kit 4 by the centre bore of Sealed casing pipe 44, guarantee that the sealed sleeve pipe 44 of diesel oil after filtering can flow into oil-out 22, then flow out from oil-out 22。Connecting, sleeve pipe 23 is outer is also arranged with inner seal ring 3, and inner seal ring 3 is between the lower surface of thread plate 2 and the upper surface of Sealed casing pipe 44, under the effect supporting spring 5, element kit 4 upwards jack-up, all the time match clamping inner seal ring 3 with thread plate 2 in the upper surface enabling Sealed casing pipe 44, this inner seal ring 3 may insure that Sealed casing pipe 44 and thread plate 2 and the sealing being connected between sleeve pipe 23, it is possible to prevents diesel oil from leaking。
It addition, scribble a circle adhesive connecting between sleeve pipe 23 and Sealed casing pipe 44, it is achieved gluing connection, sealing can be improved on the one hand, may insure that thread plate 2 is fixed relatively reliable on the other hand。
As it is shown in figure 1, in the present embodiment, connecting sleeve pipe 23 is be integrated stamping forming with thread plate 2, and Sealed casing pipe 44 is also to be integrated stamping forming with upper end cover 41, and inner seal ring 3 is provided with one。
As shown in Figure 1, upper surface at pressing plate 8 is provided with an inner groove for holding exterior seal ring 1, inner groove is the annular groove of the upper surface recessed formation downward at pressing plate 8, exterior seal ring 1 and stretch out in the top of inner groove, this exterior seal ring 1 is for the sealing between pressing plate 8 and filter seat, it is prevented that diesel oil leaks。This exterior seal ring 1 is coaxial with inner seal ring 3 and the outside of the oil-in 21 that is positioned on thread plate 2, exterior seal ring 1 is to be pressed in inner groove, it is tight fit with inner groove, is possible to prevent exterior seal ring 1 to be moved on the one hand, sealing effectiveness can be improved on the other hand。
As shown in Figure 1, upper surface at pressing plate 8 is additionally provided with and is positioned at outside inner groove and the outer groove coaxial with inner groove, this outer groove is also the annular groove of the upper surface recessed formation downward at pressing plate 8, pressing plate 8 is mainly downwardly concaved the upper surface of lower surface and the thread plate 2 formed by outer groove and inner groove, is used for blocking thread plate 2。Pressing plate 8 arranges outer groove, this outer groove can also be installed a sealing ring, to improve sealing effectiveness, the contact area of pressing plate 8 and thread plate 2 can also be increased simultaneously, improve the intensity of pressing plate 8 and compress effect。
As preferably, pressing plate 8 is for adopting sheet forming molding, and the edge of pressing plate 8 seals with shell body 6 upper end riveted joint blend compounds。
Above in association with accompanying drawing, this utility model is exemplarily described。Obviously, this utility model implements and is not subject to the restrictions described above。As long as have employed the improvement of the various unsubstantialities that method of the present utility model design carries out with technical scheme；Or not improved, above-mentioned design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model。
Claims (8)
1. diesel fuel filter, including shell body and be arranged at element kit shell body within, it is characterised in that: also include being arranged between described shell body and described element kit and flow-guiding structure in the fluid guiding that will enter in shell body to the internal face of shell body。
2. diesel fuel filter according to claim 1, it is characterised in that: described flow-guiding structure has for guiding fluid to the internal face of described shell body and for tilting the guide face extended。
3. diesel fuel filter according to claim 1, it is characterised in that: described flow-guiding structure is the flow guiding disc being sheathed on described element kit。
4. diesel fuel filter according to claim 3, it is characterised in that: described flow guiding disc is cone。
5. diesel fuel filter according to claim 4, it is characterised in that: described flow guiding disc has bigger diameter end and miner diameter end, and miner diameter end is connected with described element kit, and bigger diameter end is between element kit and described shell body。
6. diesel fuel filter according to any one of claim 1 to 5, it is characterized in that: described element kit includes upper end cover, bottom end cover and the filter paper core being clipped between upper end cover and bottom end cover, and described flow-guiding structure is connected between filter paper core with described shell body and with upper end cover。
7. diesel fuel filter according to claim 6, it is characterised in that: described filter paper core is conical structure, and the bigger diameter end of filter paper core is connected with described upper end cover, and the miner diameter end of filter paper core is connected with described bottom end cover。
8. diesel fuel filter according to claim 7, it is characterised in that: the diameter of described upper end cover is more than the diameter of described bottom end cover。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620071995.5U CN205330847U (en) | 2016-01-25 | 2016-01-25 | Diesel filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620071995.5U CN205330847U (en) | 2016-01-25 | 2016-01-25 | Diesel filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205330847U true CN205330847U (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620071995.5U Active CN205330847U (en) | 2016-01-25 | 2016-01-25 | Diesel filter |
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| Country | Link |
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| CN (1) | CN205330847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508103A (en) * | 2016-01-25 | 2016-04-20 | 安徽美瑞尔滤清器有限公司 | Diesel filter |
-
2016
- 2016-01-25 CN CN201620071995.5U patent/CN205330847U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508103A (en) * | 2016-01-25 | 2016-04-20 | 安徽美瑞尔滤清器有限公司 | Diesel filter |
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