CN209510503U - A kind of oily fuel filter assembly of diaphragm type exhaustion - Google Patents
A kind of oily fuel filter assembly of diaphragm type exhaustion Download PDFInfo
- Publication number
- CN209510503U CN209510503U CN201920110774.8U CN201920110774U CN209510503U CN 209510503 U CN209510503 U CN 209510503U CN 201920110774 U CN201920110774 U CN 201920110774U CN 209510503 U CN209510503 U CN 209510503U
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- oil
- valve
- fuel
- sliding
- filter assembly
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- 239000000446 fuel Substances 0.000 title claims abstract description 27
- 239000003921 oil Substances 0.000 claims abstract description 93
- 239000000295 fuel oil Substances 0.000 claims abstract description 46
- 238000003032 molecular docking Methods 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000008094 contradictory effect Effects 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 9
- 238000001914 filtration Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model relates to a kind of auto parts and components, disclose a kind of oily fuel filter assembly of diaphragm type exhaustion, including filter and hand oil pump, hand oil pump includes the umbrella valve fixed with filter, umbrella valve is equipped with the oil inlet for entering filter for fuel oil, the connecting tube flowed out for fuel oil and the oil outlet communicated with connecting tube, umbrella valve is provided with the main valve for fuel oil one-way flow, connecting tube side wall is equipped with side opening, the working oil path communicated with side opening is equipped in umbrella valve, working oil path is provided with the first secondary valve and the second secondary valve and the button for pump oil, the structure of first secondary valve and the second secondary valve is identical as main valve, working oil path is communicated with oil outlet.In this programme, when engine non-normal working, button is by fuel oil from side opening sucking working oil path, after lower button, fuel oil realizes the transmission of fuel oil by entering in oil outlet after the second secondary valve, since fuel oil is by filtering, impurity is eliminated, fuel flow returns are avoided, so that it is guaranteed that vehicle smoothly starts.
Description
Technical field
The utility model relates to a kind of auto parts and components, in particular to a kind of oily fuel filter assembly of diaphragm type exhaustion.
Background technique
China Today already becomes the country that motor vehicle is most in the world, due in the oil product of general motor vehicles or
More or few presence, which needs to install fuel filter on various impurity, motor vehicle, is filtered fuel oil.Fuel filter has
Diesel fuel filter, gasoline filter and natural air cleaner three categories.Fuel filter is typically coupled in series to fuel pump and throttle valve
On pipeline between body oil inlet, effect is that the solid sundries such as iron oxide, the dust being contained in fuel oil are removed, and prevents fuel oil
System jams reduce mechanical wear with this, it is ensured that engine stabilizer operation improves reliability, extends the service life of engine.
Hand oil pump is that the machine in the fuel pump to oil duct in fuel tank is cooperated oil suction with fuel filter.Traditional hand oil
Pump is to inhale dirty oily structure, and dirty oil first passes through umbrella valve, using filter paper, works as engine misses, since dirty oil has impurity, impurity
It will affect the leakproofness of umbrella valve interior diaphragm, so the oil in oil feed line can flow back, lead to difficulty in starting.
For this purpose, needing a kind of oily fuel filter assembly of diaphragm type exhaustion, oil circuit can be changed and flow through direction, so that dirty oil is first
Filtering through filter paper, filtered clean fuel oil is using hand oil pump umbrella valve, since the half-duplex channel of umbrella valve is established,
After the influence for eliminating impurity, the oil in oil feed line can not flow back, and ensure that vehicle launch is smooth with this.
Utility model content
In view of the deficienciess of the prior art, the purpose of the utility model is to provide a kind of oily fuel cleanings of diaphragm type exhaustion
Device assembly can change oil circuit, eliminate influence of the impurity to diaphragm seal, it is ensured that vehicle smoothly starts.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of diaphragm type exhausts oily fuel filter assembly, including filter and hand oil pump, the hand oil pump include and institute
State the fixed umbrella valve of filter, offered on the umbrella valve enter the oil inlet of the filter for fuel oil, for filtering after
Fuel oil outflow connecting tube and the oil outlet that is communicated with the connecting tube, in the umbrella valve in be equipped with it is unidirectional for fuel oil
The main valve of circulation offers side opening on the connecting tube side wall, is equipped with the working oil communicated with the side opening in the umbrella valve
Road is equipped with the first secondary valve and the second secondary valve and the button for pump oil, the described first secondary valve and institute in the working oil path
The structure for stating the second secondary valve is identical as the main valve, and the working oil path is communicated with the oil outlet.
By using above-mentioned technical proposal, side opening is opened up on connecting tube side wall, and working oil path is opened up in umbrella valve
So as to the entrance of filtered fuel oil, working oil path communicates with oil outlet and is provided with the first secondary valve and the second pair in working oil path
Valve limits the flow direction of fuel oil with this, and when engine non-normal working, fuel oil is sucked working oil path from side opening by button
In, after lower button, fuel oil realizes the transmission of fuel oil, before being sucked out due to fuel oil by entering in oil outlet after the second secondary valve
Through influence of the impurity to diaphragm being eliminated, so that it is guaranteed that vehicle smoothly starts by filtering.
The utility model is further arranged to, and the working oil path includes the oil pocket being provided on the umbrella valve, described
Be fixed with sliding column in oil pocket, the button include with the sliding sleeve of the sliding column sliding connection, with the umbrella valve contradict with
Block the elastic portion of the oil pocket, the press section being set in the elastic portion, the reinforcing disk for fixing the button and
The spring being set in outside the sliding sleeve, screw thread is equipped with bolt on the reinforcing disk.
By using above-mentioned technical proposal, the movement of button is realized using the cooperation of sliding column and sliding sleeve, and add reinforcing
Disk fixes the position of button, while also acting as the effect for pushing against elastic portion and umbrella valve, improves between button and umbrella valve
Leakproofness, to avoid fuel leakage, it is ensured that the circulation of working oil path.
The utility model is further arranged to, and the elastic portion edge has protrusion, is offered on the umbrella valve for institute
State the groove of protrusion sliding.
By using above-mentioned technical proposal, protrusion is set at elastic portion edge, opens up groove in umbrella shape valve surface, utilization is convex
And the relative movement of groove and the flexible deformation of elastic portion realize the movement of button, and protrusion is located at elastic portion edge,
Be conducive to seal.
The utility model is further arranged to, and the main valve includes the valve seat fixed with the umbrella valve inner wall, the valve
Docking groove is offered on seat, is communicated with sliding slot and multiple oil-through holes in the middle part of the docking groove, diaphragm is installed in the sliding slot,
The diaphragm include with the sliding slot sliding cooperation slipping part and with the shielding part for blocking the oil-through hole, the cunning
Shifting portion side is fixed with multiple raised lines, and multiple strip grooves for raised line sliding are offered on the sliding slot inner wall.
By using above-mentioned technical proposal, main valve is arranged to the combination of valve seat and diaphragm, and is to open up bar shaped in sliding slot
Slot limits circumferentially rotating for slipping part and diaphragm using strip groove, to avoid shielding part in the fixed raised line in slipping part side
Abrasion is generated during rotation, is conducive to extend the service life of diaphragm.
The utility model is further arranged to, and described slipping part one end extends into the docking groove and its end is with point
The docking section of sharp shape.
By using above-mentioned technical proposal, sharp docking section is set in slipping part end, is reduced using sharp shape
Fuel oil is uniformly separated into the oil-through hole around sliding slot to the impact force for sliding column, and by fuel oil, consequently facilitating the flowing of fuel oil.
The utility model is further arranged to, and the docking section and the slipping part junction are equipped with clamping portion, the cunning
Shifting portion and the shielding part junction are equipped with limiting section, and it is straight that the diameter of the clamping portion and the limiting section is all larger than the sliding slot
Diameter.
By using above-mentioned technical proposal, clamping portion and limiting section are set to limit the sliding distance of slipping part, thus really
It protects diaphragm and is in effective covering position, it is ensured that the normal work of main valve, the first secondary valve and the second secondary valve.
The utility model is further arranged to, and the shielding part and the limiting section connectivity part are fixed with stiffening ring, described
Stiffening ring towards the surface of the valve seat be recess curved surface.
By using above-mentioned technical proposal, stiffening ring is set in shielding part and limiting section junction, is enhanced using stiffening ring
Support to shielding part extends the service life of diaphragm so as to improve the impact resistance of shielding part；And stiffening ring surface is set
For the curved surface of recess, curved surface has guiding role to the fuel oil flowed out from oil-through hole, reduces resistance of the main valve to fuel flow
Power passes through main valve convenient for fuel oil.
The utility model is further arranged to, and sealing ring is arranged on the valve seat, is fixed on the umbrella valve inner wall
Multiple sealing-plugs offer the jack for sealing-plug insertion on the sealing ring.
By using above-mentioned technical proposal, when the jack on sealing-plug insertion sealing ring, sealing ring is deformed, with this
The tightness between sealing ring and valve seat is improved, to improve the leakproofness between main valve and umbrella valve.
In conclusion the advantageous effects of the utility model are as follows:
1. in the present solution, when engine non-normal working, button by fuel oil from side opening sucking working oil path, press by
After button, fuel oil realizes the transmission of fuel oil, since fuel oil is by filtering, eliminates it by entering in oil outlet after the second secondary valve
Influence of the interior impurity to diaphragm, so that it is guaranteed that vehicle smoothly starts；
2. main valve to be arranged to the combination of valve seat and diaphragm, and it is to open up strip groove in sliding slot, is fixed in slipping part side
Raised line limits circumferentially rotating for slipping part and diaphragm using strip groove, so that shielding part be avoided to generate mill during rotation
Damage, is conducive to extend the service life of diaphragm；
3. stiffening ring is arranged in shielding part and limiting section junction, enhance the support to shielding part using stiffening ring, with this
The impact resistance for improving shielding part, extends the service life of diaphragm；And stiffening ring surface is set as to the curved surface of recess, curved surface pair
The fuel oil flowed out from oil-through hole has guiding role, reduces main valve to the resistance of fuel flow, passes through convenient for fuel oil
Main valve.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment；
Fig. 2 is the schematic diagram of the section structure of main valve in embodiment；
Fig. 3 is the schematic diagram of the section structure of button in embodiment.
In figure: 1, filter；2, hand oil pump；21, umbrella valve；211, groove；22, oil inlet；23, connecting tube；231, side
Hole；232, working oil path；24, oil outlet；25, button；251, press section；252, elastic portion；253, sliding sleeve；254, disk is reinforced；
255, bolt；256, raised；26, oil pocket；27, column is slid；3, main valve；31, valve seat；311, docking groove；32, oil-through hole；33, sliding
Slot；331, groove；34, diaphragm；341, slipping part；342, raised line；343, docking section；344, clamping portion；345, limiting section；346,
Shielding part；347, stiffening ring；4, sealing ring；41, jack；42, sealing-plug；5, the first secondary valve；6, the second secondary valve；7, spring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
The oily fuel filter assembly as shown in Figure 1, a kind of diaphragm type exhausts, including filter 1 and hand oil pump 2, hand oil pump 2
It is mounted on filter 1, including umbrella valve 21, oil inlet 22, connecting tube 23, oil outlet 24 and button 25.Oil inlet 22 opens up
On umbrella valve 21, for entering in filter 1 for fuel oil；Oil outlet 24 is also provided on umbrella valve 21, for arranging for fuel oil
Enter in oil pipe out so that engine smoothly starts.Connecting tube 23 is fixed on 21 bottom of umbrella valve, as shown in connection with fig. 2, connecting tube
23 one end are threadedly coupled with filter 1, and the other end extends into umbrella valve 21.Main valve 3 is installed, main valve 3 is used in umbrella valve 21
In the one-way flow of control fuel oil, so that fuel oil can only enter in umbrella valve 21 out of connecting tube 23.
As shown in Fig. 2, main valve 3 includes valve seat 31, oil-through hole 32, sliding slot 33 and diaphragm 34.In valve seat 31 and umbrella valve 21
Wall is fixed, towards one end of connecting tube 23 on offer docking groove 311.Sliding slot 33 is provided with 311 middle part of docking groove and runs through
Valve seat 31；Oil-through hole 32 has multiple, and each oil-through hole 32 runs through valve seat 31, and multiple oil-through holes 32 are around being distributed in sliding slot 33
Around.Diaphragm 34 include slipping part 341, docking section 343, clamping portion 344, limiting section 345 and shielding part 346, slipping part 341,
Docking section 343 and clamping portion 344 are integrally formed, and limiting section 345 and shielding part 346 are integrally formed.Slipping part 341 is column knot
Structure is mounted in sliding slot 33 and slides connection with sliding slot 33, and 341 side of slipping part is fixed with multiple raised lines 342, raised line 342
Length direction it is consistent with the length direction of sliding slot 33.Strip groove corresponding with raised line 342, raised line are offered on 33 inner wall of sliding slot
342 cooperate with strip groove sliding, and the present embodiment limits circumferentially rotating for slipping part 341 and diaphragm 34 using strip groove, thus
Shielding part 346 is avoided to generate abrasion during rotation.Docking section 343 is located at one that slipping part 341 extends into docking groove 311
On end, and docking section 343, in cone, end is sharp.Clamping portion 344 is located at docking section 343 and 341 junction of slipping part,
Have a diameter larger than the diameter of sliding slot 33.Shielding part 346 is in disk form, the side positioned at valve seat 31 far from connecting tube 23, diameter
It is larger, all oil-through holes 32 can be covered.Limiting section 345, which is located at, states slipping part 341 and 346 junction of shielding part, and diameter is also big
In the diameter of sliding slot 33, clamping portion 344 and limiting section 345 are for limiting the sliding distance of slipping part 341.
Also set up between shielding part 346 and limiting section 345 by stiffening ring 347, stiffening ring 347 in a ring, with shielding part
346, limiting section 345 is adhesively fixed, and stiffening ring 347 is the curved surface being recessed towards the surface of valve seat 31, and the present embodiment, which utilizes, to be added
Support of strong 347 enhancing of circle to shielding part 346, so as to improve the impact resistance of shielding part 346, extend diaphragm 34 uses the longevity
Life；And 347 surface of stiffening ring is set as to the curved surface of recess, curved surface has guiding role to the fuel oil flowed out from oil-through hole 32,
To reduce main valve 3 to the resistance of fuel flow, main valve 3 is passed through convenient for fuel oil.
Sealing ring 4 is arranged on valve seat 31, sealing ring 4 is annular, and multiple jacks 41 are distributed with thereon.21 inner wall of umbrella valve
On be fixed with multiple sealing-plugs 42, sealing-plug 42 is in the form of a column, and sealing-plug 42 and jack 41 are mating.When sealing-plug 42 is inserted into
When jack 41 on sealing ring 4, sealing ring 4 is deformed, so as to improve the tightness between sealing ring 4 and valve seat 31, thus
Improve the leakproofness between main valve 3 and connecting tube 23.
As shown in Figure 1, Figure 3, oil pocket 26 is offered at the top of umbrella valve 21, oil pocket 26 is flowed into from side opening 231 for accommodating
Fuel oil.As shown in connection with fig. 2,231 side of side opening is communicated with working oil path 232, and oil pocket 26 is a part of working oil path 232,
And working oil path 232 is communicated with oil outlet 24.The knot of the first secondary valve 5 and the second secondary valve 6 is also separately installed in working oil path 232
Structure is identical as main valve 3, and the one-way flow of fuel oil is realized with this.
As shown in Figure 1, Figure 3, sliding column 27 is fixed in the middle part of oil pocket 26, sliding column 27 is for installing button 25, button 25
Including press section 251, elastic portion 252, sliding sleeve 253 and reinforce disk 254.253 middle part of sliding sleeve is hollow, and connects with the sliding sliding of column 27
It connects.Elastic portion 252 is made of memory metal, is located at outside sliding sleeve 253, and 252 edge of elastic portion extends to 21 side of umbrella valve
Edge.The groove 211 of annular is offered on umbrella valve 21, with protrusion 256, protrusion 256 is sliding with groove 211 at elastic portion 252 edge
Connection is moved, the movement of button 25 is realized with this.Press section 251 is set in 252 top of elastic portion, for pressing for operator.
Spring 7 is also arranged with outside sliding sleeve 253,7 one end of spring and press section 251 are fixed, and the other end and 26 bottom of oil pocket push against.Reinforce disk
254 in circular ring shape, the edge of edges cover elastic portion 252 and umbrella valve 21, and reinforces on disk 254 and offer threaded hole, spiral shell
Be threaded with bolt 255 on pit, the present embodiment is fixed the position of button 25 using reinforcing disk 254, while also act as to
The effect of tight elastic portion 252 and umbrella valve 21, improves the leakproofness between button 25 and umbrella valve 21.
When the present embodiment is in use, when engine work, fuel oil is after the filtering of cleaner 1 from connecting tube 23
Into in umbrella valve 21, enters in oil outlet 24 using after main valve 3, eventually enter into oil pipe；When engine abnormity, need to lead to
Cross 2 pump oil of hand oil pump, operator only needs push button 25 at this time, when button 25 7 elastic force of spring effect under by sliding column 27
When being displaced outwardly, negative pressure is formed in oil pocket 26, fuel oil flows into working oil path 232 simultaneously from the side opening 231 of connecting tube 23 at this time
Oil pocket 26 is flowed by the first secondary valve 5；When 25 ecto-entad of button is mobile, the fuel oil in oil pocket 26 is under the extruding of button 25
It is flowed out by the second secondary valve 6, enters oil pipe eventually by oil outlet 24, the starting of engine is realized with this.In the above process, by
Filtering is had already passed through before fuel oil suction, influence of the impurity to diaphragm 34 is eliminated, so that it is guaranteed that vehicle smoothly starts.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
- The oily fuel filter assembly 1. a kind of diaphragm type exhausts, including filter (1) and hand oil pump (2), hand oil pump (2) packet The umbrella valve (21) fixed with the filter (1) is included, is offered on the umbrella valve (21) and enters the filter for fuel oil (1) oil inlet (22), communicated for the connecting tube (23) of filtered fuel oil outflow and with the connecting tube (23) it is fuel-displaced Mouth (24), the interior main valve (3) being equipped with for fuel oil one-way flow of the umbrella valve (21), it is characterized in that: the connecting tube (23) It is offered on side wall side opening (231), the working oil path (232) communicated with the side opening (231) is equipped in the umbrella valve (21), First secondary valve (5) and the second secondary valve (6) and the button (25) for pump oil are installed in the working oil path (232), it is described The structure of first secondary valve (5) and the second pair valve (6) is identical as the main valve (3), the working oil path (232) with it is described Oil outlet (24) communicates.
- The oily fuel filter assembly 2. a kind of diaphragm type according to claim 1 exhausts, it is characterized in that: the working oil path (232) include the oil pocket (26) being provided on the umbrella valve (21), sliding column (27) is fixed in the oil pocket (26), it is described Button (25) includes contradicting with the sliding sleeve (253) of sliding column (27) the sliding connection, with the umbrella valve (21) to block The elastic portion (252) for stating oil pocket (26), the press section (251) being set on the elastic portion (252), for fixing the button (25) reinforcing disk (254) and it is set in the spring (7) of the sliding sleeve (253) outside, screw thread is installed on the reinforcing disk (254) There are bolt (255).
- The oily fuel filter assembly 3. a kind of diaphragm type according to claim 2 exhausts, it is characterized in that: the elastic portion (252) edge has raised (256), and the groove (211) for raised (256) sliding is offered on the umbrella valve (21).
- The oily fuel filter assembly 4. a kind of diaphragm type according to claim 1 exhausts, it is characterized in that: the main valve (3) Including the valve seat (31) fixed with the umbrella valve (21) inner wall, offered docking groove (311) on the valve seat (31), it is described right It is communicated with sliding slot (33) and multiple oil-through holes (32) in the middle part of access slot (311), diaphragm (34), institute are installed in the sliding slot (33) State diaphragm (34) include with the slipping part (341) of the sliding slot (33) sliding cooperation and with for blocking the oil-through hole (32) Shielding part (346), slipping part (341) side is fixed with multiple raised lines (342), offers on sliding slot (33) inner wall Multiple strip grooves for the raised line (342) sliding.
- The oily fuel filter assembly 5. a kind of diaphragm type according to claim 4 exhausts, it is characterized in that: the slipping part (341) one end extends into the docking groove (311) and its end has the docking section (343) of tip shape.
- The oily fuel filter assembly 6. a kind of diaphragm type according to claim 5 exhausts, it is characterized in that: the docking section (343) clamping portion (344) are equipped with the slipping part (341) junction, the slipping part (341) and the shielding part (346) Junction is equipped with limiting section (345), and the diameter of the clamping portion (344) and the limiting section (345) is all larger than the sliding slot (33) diameter.
- The oily fuel filter assembly 7. a kind of diaphragm type according to claim 6 exhausts, it is characterized in that: the shielding part (346) it is fixed with stiffening ring (347) with the limiting section (345) connectivity part, the stiffening ring (347) is towards the valve seat (31) Surface be recess curved surface.
- The oily fuel filter assembly 8. a kind of diaphragm type according to claim 4 exhausts, it is characterized in that: the valve seat (31) On be arranged with sealing ring (4), be fixed with multiple sealing-plugs (42) on umbrella valve (21) inner wall, opened on the sealing ring (4) Equipped with the jack (41) for the sealing-plug (42) insertion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920110774.8U CN209510503U (en) | 2019-01-19 | 2019-01-19 | A kind of oily fuel filter assembly of diaphragm type exhaustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920110774.8U CN209510503U (en) | 2019-01-19 | 2019-01-19 | A kind of oily fuel filter assembly of diaphragm type exhaustion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209510503U true CN209510503U (en) | 2019-10-18 |
Family
ID=68202009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920110774.8U Expired - Fee Related CN209510503U (en) | 2019-01-19 | 2019-01-19 | A kind of oily fuel filter assembly of diaphragm type exhaustion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209510503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486257A (en) * | 2020-05-13 | 2020-08-04 | 德清三盛氟塑科技有限公司 | Sanitary-grade composite valve seat sealing ring |
-
2019
- 2019-01-19 CN CN201920110774.8U patent/CN209510503U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486257A (en) * | 2020-05-13 | 2020-08-04 | 德清三盛氟塑科技有限公司 | Sanitary-grade composite valve seat sealing ring |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 |
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| CF01 | Termination of patent right due to non-payment of annual fee |