CN203670054U - Filter element of automobile fuel filter - Google Patents
Filter element of automobile fuel filter Download PDFInfo
- Publication number
- CN203670054U CN203670054U CN201320680615.4U CN201320680615U CN203670054U CN 203670054 U CN203670054 U CN 203670054U CN 201320680615 U CN201320680615 U CN 201320680615U CN 203670054 U CN203670054 U CN 203670054U
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- CN
- China
- Prior art keywords
- filter
- filter core
- end cap
- core body
- pipe
- 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.)
- Expired - Lifetime
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- 239000000446 fuel Substances 0.000 title abstract description 3
- 238000001914 filtration Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000004705 High-molecular-weight polyethylene Substances 0.000 claims abstract description 4
- 239000000295 fuel oil Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 241000167854 Bourreria succulenta Species 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model relates to a filter element of an automobile fuel filter. The filter element comprises a filter body and an end cover. An opening is formed in one end of the filter element body, the end cover is arranged at the open end of the filter element body, and the end cover is provided with a first through hole communicated with the opening. The filter element is characterized in that the filter element body is made of high molecular weight polyethylene material. The filter element body comprises an inner filtering tube and an outer layer filtering tube. Filtering holes are formed in the inner filtering tube and the outer filtering tube. The inner layer filtering tube and the outer layer filtering tube are arranged in a spaced mode to form an annular cavity, and a pressure limiting valve is arranged at the other end, opposite to the end provided with the end cover, of the filter element. The filter element has the advantages of being high in filtering precision, good in passing performance, long in service life, simple in structure and convenient to manufacture and allowing cleaning and repeated using.
Description
Technical field
The utility model relates to a kind of filter cleaner, particularly a kind of filter core of automobile fuel oil filter.
Background technique
Automobile fuel oil filter is all to adopt filtering type filtering.
In early days, the filter core of gasoline filter has tinsel chink type, metal screen formula, nylon cloth formula, porous ceramics formula etc.The feature of tinsel chink type, metal screen formula, nylon cloth formula is reliable operation, long service life, but filtering weak effect, and complex structure, manufactures and cleans inconvenience, is gradually eliminated; The feature of porous ceramics formula is simple in structure, and filtering usefulness is high, but maintenance washes is more difficult, is difficult for cleaning, and working life is not long, applies at present less.
The material for core of diesel-oil filter has cotton yarn, nylon cloth, felt, wire etc.They are good by performance, long service life, but the shortcomings such as ubiquity filtering efficiency is low, complex structure, cost is high, maintenance is inconvenient are also eliminated.
At present, gasoline filter and diesel-oil filter all generally adopt micropore paper filter core.Because paper filter core has, filtering effective (filtering efficiency >=99.6%) good by performance, cost is low, maintain the advantages such as easy, thereby is used widely.What use was maximum both at home and abroad is disposable filter filter core, and it is made up of parts such as filtration paper cylinder, central network cylinder, upper and lower covers, and upper and lower covers, filtration paper cylinder and the central network cylinder steel plate made with tackiness agent bond.Wherein filtration paper cylinder need be made folding tube after phenolic resin is processed, upper and lower covers needs the operation such as punching press, the deep processing of central network cylinder, and technique is loaded down with trivial details, and structure is more complicated, often has degumming phenomenon, and working life is short.For above-mentioned degumming phenomenon, some MANUFACTURER adopt epoxide resin material to make upper and lower covers, and resin is poured in mould, allow its spontaneous curing together with filtration paper cylinder, central network cylinder combine together, although overcome degumming phenomenon, other shortcoming still exists.The rear cleaning of paper filter core obstruction is more difficult, more renew cartridge.Disposable paper filter core filter cleaner, the replacement cycle is generally 10000 kilometers.
Summary of the invention
The purpose of this utility model: in order to overcome the defect of prior art, the utility model provides a kind of filter core of automobile fuel oil filter, have filter precision high, good, capable of washing by performance, reuse, long service life, the advantage such as simple in structure, easily manufactured.
The technical solution of the utility model: a kind of filter core of automobile fuel oil filter, comprise filter core body and end cap, one end of described filter core body is provided with opening, described end cap is arranged on the opening end of filter core body, described end cap is provided with the first through hole with open communication, it is characterized in that: described filter core body is made up of High molecular weight polyethylene material, described filter core body comprises internal layer screen pipe and outer filter pipe, on described internal layer screen pipe and outer filter pipe, be equipped with filtering hole, described internal layer screen pipe and outer filter pipe interval arrange formation annular chamber.
Adopt technique scheme, internal layer screen pipe and outer filter pipe raising filter precision is set; Relative its of filter core body utilization is provided with the end cap the other end and outer filter tube outer surface filters simultaneously for the first time, thereby has increased filter area; Filter core body utilizes internal layer screen pipe to filter for the second time, thereby has improved filter precision; Available pressurized gas blowback or have the clear water backwash of certain pressure to wash, can the impurity being attached in internal layer screen pipe and outer filter tube outer surface and undercurrent capillary channel be blown off or be lavaged, filter core body can repeatedly be used, thereby greatly extended working life.
Further setting of the present utility model: described filter core body is provided with pressure-limit valve in its other end that is provided with end cap one end relatively, described pressure-limit valve comprises valve body, steel ball, spring and plug screw, described valve body is provided with flow channel and flow pass, the other end of the relative flow channel of described valve body is provided with the second through hole with valve pocket conducting, described the second through-hole wall is provided with internal thread, described plug screw is arranged in the second through hole, described plug screw forms and is threaded with internal thread, between described flow channel and flow pass, be provided with valve pocket, between described flow channel and valve pocket, be provided with shoulder rank, described flow pass is communicated with annular chamber, described spring and steel ball are arranged in valve pocket, described spring one end and plug screw are inconsistent, the described spring the other end and steel ball are inconsistent, described steel ball is pressed on shoulder rank by spring.
Adopt above-mentioned further setting, after the long-term use of filter core, on the outer surface of outer filter pipe, with one deck impurity, will cause inner filtering micropore channel jam, the resistance of filter medium increases, the rate of filtration is slack-off, will cause external pressure to raise, at this moment pressure-limit valve will be opened, and fuel oil directly enters annular chamber, utilize internal layer screen pipe to filter, extended service time one time.
Further setting more of the present utility model: described internal layer screen pipe, outer filter pipe and valve body are wholely set.
Adopt above-mentioned further setting again, arrange so simple in structure, easily manufactured.
Further setting more of the present utility model: described internal layer screen pipe and outer filter pipe coaxially arrange.
Adopt above-mentioned further setting again, arrange so simple in structure, easily manufactured.
Further setting more of the present utility model: be provided with seal ring between described end cap and filter core body.
Adopt above-mentioned further setting again, the setting of seal ring is in order to increase the sealing effect between filter core body and end cap.
Further setting more of the present utility model: described seal ring comprises seal ring body, and the end face of described seal ring body is provided with the annular boss corresponding with annular chamber, and described annular boss embeds in annular chamber.
Adopt above-mentioned more further arrange, arrange so simple in structure, good sealing effect.
Further setting more of the present utility model: on described end cap cover connection filter element body, described end cap is fixedly connected with by interference fit with filter core body.
Adopt above-mentioned further setting again, by interference fit, filter core body is fixedly connected with end cap, filter core body is connected reliably with end cap, cost is low, easy to process.
Below in conjunction with accompanying drawing, the utility model is further described.
Brief description of the drawings
Fig. 1 is the pressure-limit valve of the utility model specific embodiment cross-sectional view while closing;
Fig. 2 be the utility model specific embodiment pressure-limit valve open time cross-sectional view;
Fig. 3 is the perspective view of the utility model specific embodiment;
Fig. 4 is the lid perspective view of the utility model specific embodiment;
Fig. 5 is the seal ring perspective view of the utility model specific embodiment.
Embodiment
As Figure 1-5, a kind of filter core of automobile fuel oil filter, include filter core body 1 and end cap 2, one end of filter core body 1 is provided with opening, end cap 2 is arranged on the opening end of filter core body, end cap 2 is provided with the first through hole 21 with open communication, filter core body 1 is made up of High molecular weight polyethylene material, filter core body 1 comprises internal layer screen pipe 11 and outer filter pipe 12, on internal layer screen pipe 11 and outer filter pipe 12, be equipped with filtering hole, internal layer screen pipe 11 and outer filter pipe 12 intervals arrange and form annular chamber 3, adopt technique scheme, internal layer screen pipe 11 and outer filter pipe 12 raising filter precision is set, filter core body 1 utilizes its other end and outer filter pipe 12 outer surfaces that are provided with end cap 2 relatively to filter for the first time simultaneously, thereby has increased filter area, filter core body 1 utilizes internal layer screen pipe 11 to filter for the second time, thereby has improved filter precision, filter core body 1 can or have the clear water backwash of certain pressure to wash with pressurized gas blowback, can the impurity being attached in internal layer screen pipe 11 and outer filter pipe 12 outer surfaces and undercurrent capillary channel be blown off or be lavaged, filter core body 1 can repeatedly be used, thereby greatly extended working life.
Further setting of the present utility model, the relative the other end that it is provided with end cap 2 one end of filter core body 11 is provided with pressure-limit valve 4, pressure-limit valve 4 comprises valve body 41, steel ball 42, spring 43 and plug screw 44, valve body 41 is provided with flow channel 45 and flow pass 46, the other end of valve body 4 relative flow channels 45 is provided with the second through hole 49 with valve pocket 47 conductings, the second through hole 49 inwalls are provided with internal thread, in the second through hole 49, be provided with plug screw 44, plug screw 44 forms and is threaded with internal thread, between flow channel 45 and flow pass 46, be provided with valve pocket 47, between flow channel 45 and valve pocket 47, be provided with shoulder rank 48, flow pass 45 is communicated with 3 with annular chamber, spring 43 and steel ball 42 are arranged in valve pocket 47, spring 43 one end and plug screw 44 are inconsistent, spring 43 the other ends and steel ball 42 are inconsistent, steel ball 42 is pressed on shoulder rank 48 by spring 43, adopt above-mentioned further setting, the number of pressure-limit valve 4 can be one, two or more, in the utility model preferably three, three pressure-limit valves 4 are uniformly distributed on the end face of filter core body 1, be conducive on the one hand easy to process, sufficient fuel flow and filtering speed are ensured on the other hand, after the long-term use of filter core body 1, on the outer surface of outer filter pipe 12, has one deck impurity, will cause inner filtering micropore channel jam, the resistance of filter medium increases, the rate of filtration is slack-off, will cause external pressure to raise, at this moment pressure-limit valve 4 will be opened, fuel oil directly enters annular chamber 3, utilize internal layer screen pipe 11 to filter, extend service time one time.
Further setting more of the present utility model, internal layer screen pipe 11, outer filter pipe 12 and valve body 41 are wholely set, and adopt above-mentioned further setting again, arrange so simple in structure, easily manufactured.
Further setting more of the present utility model, internal layer screen pipe 11 and outer filter pipe 12 coaxially arrange, and adopt above-mentioned further setting again, arrange so simple in structure, easily manufactured.
Further setting more of the present utility model, is provided with seal ring 5 between end cap 2 and filter core body 1, adopts above-mentioned further setting again, and the setting of seal ring 5 is in order to increase the sealing effect between filter core body 1 and lid 2.
Further setting more of the present utility model, seal ring 5 comprises seal ring body 51, the end face of seal ring body 51 is provided with the annular boss corresponding with annular chamber 3 52, annular boss 52 embeds in annular chamber 3, adopt above-mentioned more further arrange, arrange so simple in structure, good sealing effect.
Further setting more of the present utility model, end cap 2 overlaps on connection filter element body 1, end cap 2 is fixedly connected with by interference fit with filter core body 1, adopt above-mentioned further setting again, by interference fit, filter core body 1 is fixedly connected with end cap 2, filter core body 1 is connected reliably with end cap 2, and cost is low, easy to process.
The utility model only illustrates some preferred embodiments in this manual, is not to its restriction.This professional and technical personnel is according to the present utility model design and spirit, is applicable to other filter cleaners after can structurally making various variations and amendment, and therefore these must belong to protection domain of the present utility model.
Claims (6)
1. the filter core of an automobile fuel oil filter, comprise filter core body and end cap, one end of described filter core body is provided with opening, described end cap is arranged on the opening end of filter core body, described end cap is provided with the first through hole with open communication, it is characterized in that: described filter core body is made up of High molecular weight polyethylene material, described filter core body comprises internal layer screen pipe and outer filter pipe, on described internal layer screen pipe and outer filter pipe, be equipped with filtering hole, described internal layer screen pipe and outer filter pipe interval arrange formation annular chamber, described filter core body is provided with pressure-limit valve in its other end that is provided with end cap one end relatively, described pressure-limit valve comprises valve body, steel ball, spring and plug screw, described valve body is provided with flow channel and flow pass, the other end of the relative flow channel of described valve body is provided with the second through hole with valve pocket conducting, described the second through-hole wall is provided with internal thread, described plug screw is arranged in the second through hole, described plug screw forms and is threaded with internal thread, between described flow channel and flow pass, be provided with valve pocket, between described flow channel and valve pocket, be provided with shoulder rank, described flow pass is communicated with annular chamber, described spring and steel ball are arranged in valve pocket, described spring one end and plug screw are inconsistent, the described spring the other end and steel ball are inconsistent, described steel ball is pressed on shoulder rank by spring.
2. the filter core of a kind of automobile fuel oil filter according to claim 1, is characterized in that: described internal layer screen pipe, outer filter pipe and valve body are wholely set.
3. the filter core of a kind of automobile fuel oil filter according to claim 2, is characterized in that: described internal layer screen pipe and outer filter pipe coaxially arrange.
4. according to the filter core of a kind of automobile fuel oil filter described in claim 1 or 2 or 3, it is characterized in that: between described end cap and filter core body, be provided with seal ring.
5. the filter core of a kind of automobile fuel oil filter according to claim 4, it is characterized in that: described seal ring comprises seal ring body, the end face of described seal ring body is provided with the annular boss corresponding with annular chamber, and described annular boss embeds in annular chamber.
6. the filter core of a kind of automobile fuel oil filter according to claim 5, is characterized in that: on described end cap cover connection filter element body, described end cap is fixedly connected with by interference fit with filter core body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320680615.4U CN203670054U (en) | 2013-10-30 | 2013-10-30 | Filter element of automobile fuel filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320680615.4U CN203670054U (en) | 2013-10-30 | 2013-10-30 | Filter element of automobile fuel filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670054U true CN203670054U (en) | 2014-06-25 |
Family
ID=50966362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320680615.4U Expired - Lifetime CN203670054U (en) | 2013-10-30 | 2013-10-30 | Filter element of automobile fuel filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670054U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527370A (en) * | 2013-10-30 | 2014-01-22 | 温州职业技术学院 | Automobile fuel filter core |
| CN104265400A (en) * | 2014-10-20 | 2015-01-07 | 安庆泰邦机械科技有限责任公司 | Bidirection inverse washing and filtering device |
-
2013
- 2013-10-30 CN CN201320680615.4U patent/CN203670054U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103527370A (en) * | 2013-10-30 | 2014-01-22 | 温州职业技术学院 | Automobile fuel filter core |
| CN103527370B (en) * | 2013-10-30 | 2015-11-25 | 温州职业技术学院 | A kind of filter core of automobile fuel oil filter |
| CN104265400A (en) * | 2014-10-20 | 2015-01-07 | 安庆泰邦机械科技有限责任公司 | Bidirection inverse washing and filtering device |
| CN104265400B (en) * | 2014-10-20 | 2016-06-29 | 安庆泰邦船舶科技有限公司 | Double-way back-washing filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20151125 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |