CN209875345U - Fuel filter - Google Patents
Fuel filter Download PDFInfo
- Publication number
- CN209875345U CN209875345U CN201920658296.4U CN201920658296U CN209875345U CN 209875345 U CN209875345 U CN 209875345U CN 201920658296 U CN201920658296 U CN 201920658296U CN 209875345 U CN209875345 U CN 209875345U
- Authority
- CN
- China
- Prior art keywords
- filter
- fuel
- cavity
- suction pipe
- air suction
- 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 - Fee Related
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 53
- 238000001914 filtration Methods 0.000 claims abstract description 30
- 238000005192 partition Methods 0.000 claims abstract description 17
- 239000002893 slag Substances 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 6
- 239000013049 sediment Substances 0.000 claims 2
- 238000005406 washing Methods 0.000 abstract description 2
- 239000000295 fuel oil Substances 0.000 description 31
- 239000003921 oil Substances 0.000 description 7
- 238000011045 prefiltration Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a fuel filter, which comprises a filter shell, wherein a cover plate is movably arranged on the filter shell, the inner cavity of the filter shell is divided into a primary filter cavity and a secondary filter cavity by a partition plate, and a first filter guide plate and a second filter guide plate are arranged in the primary filter cavity; the air exhaust device comprises an air suction pipe, the air suction pipe is communicated with the first filtering guide plate, an exhaust pipe is communicated with one side of the air suction pipe close to the cover plate, a push plate is movably arranged in the air suction pipe, and an air storage cavity is formed between the push plate and the waterproof breathable film; the secondary filter cavity is communicated with the fuel outlet, and a filter element is fixedly arranged between the sliding block and the partition plate. The utility model provides a fuel filter can carry out the double filtration to the fuel, and the inside exhaust apparatus that is provided with of filter can be with the gas outgoing that the fuel was appeared, avoids gaseous cumulant to cause the motor vehicle to put out fire greatly, and simultaneously, inside filtering component can conveniently take out the washing, and is more durable.
Description
Technical Field
The utility model relates to a filter technical field specifically is an oil filter fires.
Background
In the prior art, the fuel filter with the application number of '201821339772.8', including a pre-filter casing and a filter element casing, the left side of the pre-filter casing is provided with a fuel inlet, the right side is provided with a deceleration channel communicated with the filter element casing, an arc-shaped guide plate is arranged inside the pre-filter casing, two sides of the guide plate are respectively connected with the front side wall and the rear side wall of the pre-filter casing, the upper end of the guide plate is connected with the top wall of the pre-filter casing, a space for forming a fuel flow channel is kept between the lower end and the bottom wall of the pre-filter casing, the bottom of the pre-filter casing is provided with an impurity collecting box, the filter element casing is provided with a fuel outlet, a filter element is arranged in the filter element casing, the inlet side of the filter element is communicated with the deceleration channel, and the outlet. The utility model discloses can improve fuel filtration quality, prolong fuel filter and fuel feed system part life, reduce engine oil consumption.
However, the method still has the obvious defects in the using process: 1. although the device is provided with two stages of filter cavities, the device is lack of related filter components, so that the filter effect on fuel oil is poor; 2. the device is lack of a structure for filtering and discharging gas in fuel oil, because the fuel oil filter is under negative pressure, when the fuel oil enters the fuel oil filter from top to bottom, the gas in the fuel oil is separated out, the gas is gathered at the oil inlet of the fuel oil filter under the action of buoyancy, and after the accumulated gas amount is large, the gas flows into the oil circuit of the motor vehicle along with the fuel oil after passing through the central tube of the filter element and the oil outlet tube at one time, so that the motor vehicle is flamed out, and the reignition is not easy to occur after; 3. the internal filtering structure in the device can not be conveniently taken out for cleaning, and the filtering effect is very limited after the device is used for a period of time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire oil filter to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a fuel filter comprises a filter shell, wherein a cover plate is movably arranged on the filter shell, a fuel inlet, a fuel outlet and an exhaust port are formed in the cover plate, a partition plate is fixedly arranged in an inner cavity of the filter shell and divides the inner cavity of the filter shell into a primary filter cavity and a secondary filter cavity, the primary filter cavity is communicated with the fuel inlet, a first filter guide plate and a second filter guide plate are arranged in the primary filter cavity, an exhaust device is communicated with one side, close to the fuel inlet, of the first filter guide plate, the exhaust device is communicated with the exhaust port, a coarse slag discharge port is formed in one side, away from the fuel inlet, of the primary filter cavity, and a first thread cover is arranged on the coarse slag discharge port in a threaded manner;
the exhaust device comprises an air suction pipe, the air suction pipe is communicated with a first filtering guide plate, one end of the air suction pipe, which is close to the first filtering guide plate, is provided with a waterproof breathable film, one side of the air suction pipe, which is close to a cover plate, is communicated with an exhaust pipe, the exhaust pipe is communicated with an exhaust port, a one-way valve I is arranged in the air suction pipe, a push plate is movably arranged in the air suction pipe, an air storage cavity is formed between the push plate and the waterproof breathable film, one end, which is far away from the waterproof breathable film, of the push plate is fixedly provided with a push rod, the push rod is fixed on a nut seat, the nut seat is movably arranged on a lead screw in a penetrating manner, the lead screw is fixed at the output end of a rotating motor, the air suction pipe is respectively provided, a one-way valve II is arranged in the exhaust pipe;
the secondary filter chamber is communicated with the fuel outlet, a guide rail is fixedly arranged on one side, far away from the partition plate, of the secondary filter chamber, defoaming cotton is arranged between the partition plate and the guide rail, a sliding block is movably arranged on the guide rail, a filter element is fixedly arranged between the sliding block and the partition plate, a fine slag discharge port is formed in one side, far away from the fuel outlet, of the secondary filter chamber, and a threaded cover II is arranged on the fine slag discharge port in a threaded mode.
Preferably, spoilers are symmetrically and fixedly arranged on the inner wall of the filter shell and the first filtering guide plate.
Preferably, a clamping seat is fixedly arranged at the bottom of the primary filter cavity, a clamping groove is formed in the clamping seat, and a second filter guide plate is movably clamped and embedded in the clamping groove.
Preferably, the rotating electric machine is fixed to the partition plate.
Preferably, one end of the screw rod, which is far away from the rotating motor, is symmetrically and fixedly provided with the blocking blocks.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the device is provided with the primary filter cavity and the secondary filter cavity, so that coarse filtration and fine filtration can be respectively carried out, filtered impurities can be poured out by regular operation, and the fuel oil filtering effect is effectively improved;
2. the exhaust device is arranged in the device, so that gas separated out from the fuel can be sucked out and discharged, flameout of the motor vehicle caused by more accumulated gas is avoided, and potential safety hazards are eliminated;
3. most filter structures in the primary and secondary filter cavities of the device are fixedly attached to the partition plates, and other structures are movably mounted, so that the parts can be taken down to be cleaned after being used for a period of time, the blockage is not easy, the installation is convenient, and the service life is effectively prolonged.
The utility model provides a fuel filter can carry out double filtration to the fuel, improves the filter effect, and the inside exhaust apparatus that is provided with of filter can avoid gaseous cumulant to cause the motor vehicle to put out fire with the gaseous discharge that the fuel was appeared, and simultaneously, the inside filter unit of the device can conveniently take out the washing, and is more durable, is worth very much promoting.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged view of a point a in fig. 1 according to the present invention;
fig. 3 is a schematic structural view of the exhaust apparatus of the present invention.
In the figure: 1 filter shell, 2 cover plate, 3 fuel inlet, 4 fuel outlet, 5 exhaust port, 6 clapboard, 7 primary filter cavity, 8 secondary filter cavity, 91 filter guide plate I, 92 filter guide plate II, 10 spoiler, 11 exhaust device, 12 clamping seat, 13 clamping groove, 14 coarse slag discharge port, 15 screw thread cover I, 16 air suction pipe, 17 waterproof ventilated membrane, 18 exhaust pipe, 19 one-way valve I, 20 push plate, 21 air storage cavity, 22 push rod, 23 nut seat, 24 lead screw, 25 rotating motor, 26 block, 27 motor forward rotating switch, 28 motor reverse rotating switch, 29 one-way valve II, 30 guide rail, 31 defoaming cotton, 32 slide block, 33 filter core, 34 fine slag discharge port, 35 screw thread cover II.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a fuel filter comprises a filter shell 1, a cover plate 2 is movably arranged on the filter shell 1, the cover plate 2 is detachable, a fuel inlet 3, a fuel outlet 4 and an exhaust port 5 are formed in the cover plate 2, a partition plate 6 is fixedly arranged in an inner cavity of the filter shell 1, the inner cavity of the filter shell 1 is divided into a primary filter cavity 7 and a secondary filter cavity 8 by the partition plate 6, coarse filtration and fine filtration are respectively carried out, the primary filter cavity 7 is communicated with the fuel inlet 3, a first filtering guide plate 91 and a second filtering guide plate 92 are arranged in the primary filter cavity 7, an exhaust device 11 is communicated with one side of the first filtering guide plate 91 close to the fuel inlet 3 and is provided with the exhaust port 11, the exhaust device 11 is communicated with the exhaust port 5, a coarse slag discharge port 14 is arranged on one side of the primary filter cavity 7 far away from the fuel inlet 3, and, the screw cap one 15 can be unscrewed by rotation, so that coarse slag in the coarse slag discharge port 14 can be poured out.
The exhaust device 11 comprises an air suction pipe 16, the air suction pipe 16 is communicated with a first filter guide plate 91, one end of the air suction pipe 16, which is close to the first filter guide plate 91, is provided with a waterproof breathable film 17 so that only gas can enter and fuel oil cannot be sucked in, one side of the air suction pipe 16, which is close to a cover plate 2, is communicated with an exhaust pipe 18, the exhaust pipe 18 is communicated with an exhaust port 5, the air suction pipe 16 is internally provided with a one-way valve 19, the one-way valve 19 can adopt other types such as SCV1604CVN and the like, the one-way valve 19 is arranged so that gas can only enter a gas storage cavity 21 from a primary filter cavity 7 and cannot flow backwards, a push plate 20 is movably arranged in the air suction pipe 16, the gas storage cavity 21 is formed between the push plate 20 and the waterproof breathable film 17, one end of the push plate 20, the screw rod 24 is fixed at the output end of the rotating motor 25, the rotating motor 25 can adopt other models such as 6IK300RGU-CF, the two sides of the air suction pipe 16 close to the air discharge pipe 18 are respectively provided with a motor forward rotating switch 27 and a motor reverse rotating switch 28, the motor forward rotating switch 27 and the motor reverse rotating switch 28 are both electrically connected with the rotating motor 25, the air discharge pipe 18 is internally provided with a check valve II 29, the check valve II 29 can adopt other models such as SCV1604CVN, the setting of the check valve II 29 ensures that the air can only enter the air discharge pipe 18 from the air storage cavity 21 and then be discharged from the air discharge port 5, and the air cannot flow reversely.
The secondary filter chamber 8 is communicated with the fuel outlet 4, one side, far away from the partition plate 6, of the secondary filter chamber 8 is fixedly provided with the guide rail 30, defoaming cotton 31 is arranged between the partition plate 6 and the guide rail 30, the defoaming cotton 31 ensures that fuel generated by final filtration does not contain bubbles again, a sliding block 32 is movably arranged on the guide rail 30, the sliding block 32 can move along the guide rail 30, a filter element 33 is fixedly arranged between the sliding block 32 and the partition plate 6, the filter elements 33 are multiple, secondary fine filtration is carried out on fuel, one side, far away from the fuel outlet 4, of the secondary filter chamber 8 is provided with a fine slag discharge port 34, a threaded cover II 35 is arranged on the fine slag discharge port 34 in a threaded mode, the threaded cover II 35 can be unscrewed, and impurities in the fine.
Preferably, the spoiler 10 is symmetrically and fixedly arranged on the inner wall of the filter shell 1 and the filtering guide plate one 91, and the spoiler 10 is used for reducing the speed of fuel passing through so as to ensure that gas separated from the fuel can be gathered at the exhaust device 11 under the action of buoyancy.
Preferably, the bottom of the primary filter cavity 7 is fixedly provided with a clamping seat 12, the clamping seat 12 is provided with a clamping groove 13, the clamping groove 13 is movably clamped and embedded with a second filter guide plate 92, and the second filter guide plate 92 is movably clamped and embedded on the clamping seat 12, so that the filter guide plate can be conveniently taken down for cleaning after being used for a period of time.
Preferably, the rotating electric machine 25 is fixed to the partition 6 for easy installation and removal.
Preferably, a stop block 26 is symmetrically and fixedly arranged at one end of the screw rod 24 far away from the rotating motor 25, and the stop block 26 is used for preventing the nut seat 23 from being separated from the screw rod 24 in the moving process.
The working principle is as follows: when the filter is used, the cover plate 2 is covered, fuel oil flows into the inner cavity of the filter shell 1 from the fuel oil inlet 3, the fuel oil sequentially passes through the primary filter cavity 7 and the secondary filter cavity 8, specifically, the flow rate of the fuel oil is reduced under the action of the spoiler 10 firstly, gas separated from the fuel oil is ensured to be gathered at the exhaust device 11 under the action of buoyancy, the fuel oil flows along a fuel oil channel formed by the first filter guide plate 91 and the second filter guide plate 92, when the fuel oil flows through the coarse slag discharge port 14, large-particle impurities in the fuel oil can be precipitated at the large-particle impurities due to the action of gravity, the fuel oil continuously flows upwards, when the fuel oil reaches the secondary filter cavity 8, small-particle impurities in the fuel oil can sink at the fine slag discharge port 34, and the rest fuel oil sequentially passes through the plurality of filter elements 33 and the defoaming.
Because the fuel oil is dissolved with gas, the fuel oil filter is under negative pressure, when the fuel oil enters the fuel oil filter from top to bottom, the gas in the fuel oil is separated out, the gas is gathered at the fuel oil inlet 3 under the action of buoyancy, after the accumulated gas amount is large, the gas flows into the oil circuit of the motor vehicle along with the fuel oil after passing through the filter element central tube and the oil outlet tube once, so that the motor vehicle is flamed out, and the reignition is not easy to occur after the flameout, in order to avoid the phenomenon, the rotating motor 25 can be started, the rotating motor 25 drives the screw rod 24 to rotate, so that the nut seat 23 moves, the nut seat 23 pushes the push plate 20 to move towards the direction close to the rotating motor 25 through the push rod 22, at the moment, the gas separated out from the fuel oil enters the gas storage cavity 21 through the waterproof breathable film 17, make push pedal 20 to the direction removal of keeping away from rotating electrical machines 25, under the effect of check valve 19 and check valve two 29, the gas can get into blast pipe 18 in the gas storage chamber 21, discharge out in the gas vent 5 at last, along with the removal of push pedal 20, when push pedal 20 touches motor forward rotary switch 27, rotating electrical machines 25 begins the forward rotation, from this cycle and again, absorb and discharge to the gas that the fuel is separated out, avoid gaseous accumulative amount to cause the motor vehicle to stall greatly.
After using a period of time, can open apron 2, take out baffle 6, wherein, defoaming cotton 31 and filter core 33 are fixed on baffle 6, and exhaust apparatus 11, the filtration guide plate 91 that rotating electrical machines 25 connected all fix on baffle 6, can take off together, and filtration guide plate two 92 is that the activity inlay card is in the draw-in groove 13 of cassette 12, also can take off alone, can conveniently clear up.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A fuel filter, comprising a filter housing (1), characterized in that: the filter is characterized in that a cover plate (2) is movably arranged on the filter shell (1), a fuel inlet (3), a fuel outlet (4) and an exhaust port (5) are formed in the cover plate (2), a partition plate (6) is fixedly arranged in an inner cavity of the filter shell (1), the partition plate (6) divides the inner cavity of the filter shell (1) into a primary filter cavity (7) and a secondary filter cavity (8), the primary filter cavity (7) is communicated with the fuel inlet (3), a first filtering guide plate (91) and a second filtering guide plate (92) are arranged in the primary filter cavity (7), one side, close to the fuel inlet (3), of the first filtering guide plate (91) is communicated with an exhaust device (11), the exhaust device (11) is communicated with the exhaust port (5), one side, far away from the fuel inlet (3), of the primary filter cavity (7) is provided with a coarse slag discharge port (14), a first threaded cover (15) is arranged on the coarse slag discharge port (14) in a threaded manner;
the air exhausting device (11) comprises an air suction pipe (16), the air suction pipe (16) is communicated with a first filtering guide plate (91), one end, close to the first filtering guide plate (91), of the air suction pipe (16) is provided with a waterproof breathable film (17), one side, close to the cover plate (2), of the air suction pipe (16) is communicated with an air exhaust pipe (18), the air exhaust pipe (18) is communicated with an air exhaust port (5), a one-way valve (19) is arranged in the air suction pipe (16), a push plate (20) is movably arranged in the air suction pipe (16), an air storage cavity (21) is formed between the push plate (20) and the waterproof breathable film (17), one end, far away from the waterproof breathable film (17), of the push plate (20) is fixedly provided with a push rod (22), the push rod (22) is fixed on a nut seat (23), and the nut, the screw rod (24) is fixed at the output end of a rotating motor (25), a motor forward rotating switch (27) and a motor reverse rotating switch (28) are respectively arranged on two sides of the air suction pipe (16) close to the exhaust pipe (18), the motor forward rotating switch (27) and the motor reverse rotating switch (28) are both electrically connected with the rotating motor (25), and a one-way valve II (29) is arranged in the exhaust pipe (18);
secondary filter chamber (8) and fuel export (4) are linked together, the fixed guided way (30) that is provided with in one side that baffle (6) were kept away from in secondary filter chamber (8), be provided with between baffle (6) and guided way (30) defoaming cotton (31), the activity is provided with slider (32) on guided way (30), the fixed filter core (33) that is provided with between slider (32) and baffle (6), one side that fuel export (4) were kept away from in secondary filter chamber (8) is provided with fine sediment discharge port (34), the screw thread is provided with thread cap two (35) on fine sediment discharge port (34).
2. A fuel filter according to claim 1 wherein: spoilers (10) are symmetrically and fixedly arranged on the inner wall of the filter shell (1) and the first filtering guide plate (91).
3. A fuel filter according to claim 1 wherein: the bottom of the primary filter cavity (7) is fixedly provided with a clamping seat (12), the clamping seat (12) is provided with a clamping groove (13), and a second filter guide plate (92) is movably clamped and embedded in the clamping groove (13).
4. A fuel filter according to claim 1 wherein: the rotating motor (25) is fixed on the partition plate (6).
5. A fuel filter according to claim 1 wherein: and one end of the screw rod (24) far away from the rotating motor (25) is symmetrically and fixedly provided with a stop block (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920658296.4U CN209875345U (en) | 2019-05-09 | 2019-05-09 | Fuel filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920658296.4U CN209875345U (en) | 2019-05-09 | 2019-05-09 | Fuel filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209875345U true CN209875345U (en) | 2019-12-31 |
Family
ID=68965015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920658296.4U Expired - Fee Related CN209875345U (en) | 2019-05-09 | 2019-05-09 | Fuel filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209875345U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117386542A (en) * | 2023-10-16 | 2024-01-12 | 石家庄艾瑞机电设备股份有限公司 | Fuel pump for explosion-proof engine |
-
2019
- 2019-05-09 CN CN201920658296.4U patent/CN209875345U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117386542A (en) * | 2023-10-16 | 2024-01-12 | 石家庄艾瑞机电设备股份有限公司 | Fuel pump for explosion-proof engine |
| CN117386542B (en) * | 2023-10-16 | 2024-05-28 | 石家庄艾瑞机电设备股份有限公司 | Fuel pump for explosion-proof engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |