CN107882668A - A kind of fuel filter seat - Google Patents
A kind of fuel filter seat Download PDFInfo
- Publication number
- CN107882668A CN107882668A CN201711466588.XA CN201711466588A CN107882668A CN 107882668 A CN107882668 A CN 107882668A CN 201711466588 A CN201711466588 A CN 201711466588A CN 107882668 A CN107882668 A CN 107882668A
- Authority
- CN
- China
- Prior art keywords
- handle
- headkerchief
- oil
- diaphragm
- fuel filter
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 30
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 22
- 210000004907 gland Anatomy 0.000 claims abstract description 18
- 239000003921 oil Substances 0.000 claims description 53
- 239000000295 fuel oil Substances 0.000 claims description 13
- 206010034703 Perseveration Diseases 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
- F02M37/16—Feeding by means of driven pumps characterised by provision of personally-, e.g. manually-, operated pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/22—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system
- F02M37/32—Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines, e.g. arrangements in the feeding system characterised by filters or filter arrangements
- F02M37/44—Filters structurally associated with pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/0009—Special features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention belongs to technical field of engines, discloses a kind of fuel filter seat.The fuel filter seat includes pedestal and the hand oil pump on pedestal, and hand oil pump includes handle, gland and diaphragm, and handle is on the outside of hand oil pump；Gland includes headkerchief and the cover plate being connected with headkerchief, and cover plate is fixed on pedestal；Diaphragm is connected with handle, and located at the inside of cover plate；When handle is in first position relative to headkerchief, handle can slide up and down relative to headkerchief；During in the second place, handle is relative to headkerchief axial lock.The present invention is capable of the groove of set lever by being set on the gland of hand oil pump, so that in engine work state, handle is realized to diaphragm and locked, and will not cause diaphragm autonomous action, so as to solve the problems, such as that fatigue damage easily occurs in the diaphragm of existing diaphragm pump.
Description
Technical field
The present invention relates to technical field of engines, more particularly to a kind of fuel filter seat.
Background technology
Fuel filter seat, applied in automotive fuel oil system, be mainly used in connect fuel oil fitering element.Most fuel oil at present
For filter seat in the filter core more renewed, whole cleaner inner product has substantial amounts of gas, if do not discharged outside cleaner, this portion
Divide gas to enter in fuel pipe and engine igniting system, engine is not started normally.
At present, engine in use, the fuel filter of the hand oil pump (i.e. diaphragm pump, also referred to as membrane pump) with diaphragm
Clear device fault rate is higher.Fuel pressure fluctuates when engine works, and causes diaphragm meeting autonomous action, and motion frequency is big, diaphragm length
Time perseveration easily causes fatigue damage, and then influences the use of diaphragm pump.
It would therefore be highly desirable to a kind of fuel filter seat is needed to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of fuel filter seat, fatigue easily occurs with the diaphragm for solving existing diaphragm pump
The problem of damage.
To use following technical scheme up to this purpose, the present invention：
A kind of fuel filter seat, including pedestal and the hand oil pump on pedestal, it is characterised in that hand oil pump bag
Include：
Handle, it is on the outside of hand oil pump；
Gland, it includes headkerchief and the cover plate being connected with headkerchief, and cover plate is fixed on pedestal；
Diaphragm, it is connected with handle, and located at the inside of cover plate；
When handle is in first position relative to headkerchief, handle can slide up and down relative to headkerchief；In the second place
When, handle is relative to headkerchief axial lock.
Preferably, handle includes：
Cap, projection is provided with it, and headkerchief is slidedly arranged on the inside of cap；
Open tubular column, cavity is provided with it, open tubular column is located inside cap, and is integrally formed with cap.
Preferably, diaphragm by bulb hinged in the cavity of open tubular column.
Preferably, headkerchief is provided with chute, projection slides up and down along chute.
Preferably, chute is top laterally extending fluted, projection can be connected to inside grooves.
Preferably, slideway is connected between groove and chute.
Preferably, open tubular column outer cover is provided with spring, spring is located between cap and cover plate.
Preferably, being provided with oil inlet and oil-out in pedestal, the logical oil circuit formed by oil inlet to oil-out is provided with
In line check valve, oil outlet one-way valve and main check valve.
Preferably, being provided with the pump chamber flowed through for fuel oil below diaphragm, pump chamber connects with line check valve and oil outlet one-way valve
It is logical.
Preferably, hand oil pump is located at the side of filter after-burning oil stream warp.
Beneficial effects of the present invention：
The present invention is capable of the groove of set lever by being set on the gland of hand oil pump so that in the normal work of engine
When making state, diaphragm autonomous action will not be caused, so as to solve the problems, such as that fatigue damage easily occurs in the diaphragm of existing diaphragm pump；
Pass through diaphragm and the bulb hinged of open tubular column so that handle not in same straight line, can also realize stretching, while also may be used with diaphragm
Compensation because handle and diaphragm not same straight line and caused by radial load；By located at the raised along located at headkerchief of cap inwall
Chute slides up and down, and avoids handle from stretching the hardness of diaphragm；By hand oil pump located at the side of filter after-burning oil stream warp, solve
Because combustion well cuts are trapped on the check valve of hand oil pump, the problem of causing check valve sheet clamping stagnation.
Brief description of the drawings
Fig. 1 is the schematic cross-section of fuel filter seat provided by the invention；
Fig. 2 is the structural representation of gland in Fig. 1；
Fig. 3 is the structural representation of handle in Fig. 1.
In figure：
1st, pedestal；2nd, handle；3rd, gland；4th, diaphragm；
21st, cap；22nd, open tubular column；211st, it is raised；
31st, headkerchief；32nd, cover plate；311st, chute；312nd, groove；313rd, slideway；
51st, in line check valve；52nd, oil outlet one-way valve；53rd, main check valve；
61st, oil inlet；62 oil-outs；63rd, central oil passage；64th, pump chamber.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
As shown in figure 1, a kind of fuel filter seat provided by the invention, including pedestal 1 and the manual oil on pedestal 1
Pump, hand oil pump include handle 2, gland 3 and diaphragm 4, wherein：
For handle 2 on the outside of hand oil pump, handle 2, by bulb hinged, obtains handle 2 with diaphragm 4 not same with diaphragm 4
During straight line, can also realize stretching, at the same also compensate for because handle 2 and diaphragm 4 not same straight line and caused by radial load.Cover plate
3 inside is provided with diaphragm 4, and gland 3 is fixed on pedestal 1 by bolt or screw, and passes through the handle 2 of gland 3 and diaphragm 4
It is installed on jointly on pedestal 1.Spring is connected between gland 3 and handle 2 so that handle 2 can automatically reset after pressing, together
When avoid handle 2 to diaphragm 4 hardness stretch, to extend the service life of diaphragm 4.
Specifically, the inside of pedestal 1 is provided with oil inlet 61 and oil-out 62, the logical oil formed by oil inlet 61 to oil-out 62
Oil circuit is provided with line check valve 51, oil outlet one-way valve 52 and main check valve 53.The oil inlet 61 of pedestal 1 and the port of oil-out 62
Copper sheathing (not shown) is equipped with, to ensure that oil inlet 61 and oil-out 62 have higher bonding strength.The lower section of diaphragm 4 is set
There is the pump chamber 64 flowed through for fuel oil, pump chamber 64 connects with line check valve 51 and oil outlet one-way valve 52.Main check valve 53 is fixed on
In the connecting shaft (not shown) of center, the other end of center connecting shaft connects with fuel filter (not shown), center
Central oil passage 63 is provided with connecting shaft.When hand oil pump works, fuel oil is successively by oil inlet 61, fuel filter, center oil
Road 63, then enter through in line check valve 51 in pump chamber 64, handle 2 is pressed, fuel oil is entered by pump chamber 64 through oil outlet one-way valve 52
Hydraulic fluid port 62.When hand oil pump does not work and during engine work, fuel oil successively by oil inlet 61, fuel filter, in
Heart oil duct 63, then enter oil-out 62 through main check valve 53.
Specifically, because the viscosity in low temperature of the fuel oil pumped out from fuel feeding is higher, in order to meet wanting for nozzle atomization
Ask, it is necessary to fuel oil is heated, intelligent temperature control assembly (not shown) is additionally provided with pedestal 1, by using temperature control
Switch judges that environment temperature sends switch command, predeterminable heating initial temperature and final temperature, to ensure that fuel-viscosity variation meets
The requirement of nozzle atomization.Specifically, hand oil pump is arranged on the side (i.e. clean side) of fuel filter filter after-burning oil stream warp, solution
Determine because combustion well cuts are trapped on the check valve (i.e. in line check valve 51 and oil outlet one-way valve (52)) of hand oil pump, caused
The problem of check valve sheet clamping stagnation.
As shown in Fig. 2 gland 3 includes headkerchief 31 and cover plate integrally formed with headkerchief 31 32, headkerchief 31 is provided with chute
311, top laterally extending fluted the 312 of chute 311, slideway 313, slideway 313 are connected between groove 312 and chute 311
Vertical height it is lower than the vertical height of the upper surface of headkerchief 31.Handle 2 is in first position (i.e. chute 311 relative to headkerchief 31
Position) when, handle 2 can slide up and down relative to headkerchief 31；During in the second place (i.e. the position of groove 312),
Handle 2 is relative to the axial lock of headkerchief 31.
As shown in figure 3, handle 2 includes cap 21 and open tubular column 22, projection 211 is provided with cap 21, is set in open tubular column 22
There is cavity, open tubular column 22 is integrally formed with cap 21, and diaphragm 4 is by bulb hinged in the cavity of open tubular column 22.
When hand oil pump works, headkerchief 31 is slidedly arranged on the inside of cap 21 by projection 211 and chute 311 so that handle 2
It can be slided up and down along chute 311 with respect to gland 3, further, diaphragm 4 moves up and down the change that pressure is produced to pump chamber 64.
When diaphragm 4 moves up, pump chamber 64 is negative pressure relative to ambient pressure, and now fuel oil enters pump chamber by line check valve 51
In 64；When diaphragm 4 moves down, pump chamber 64 is passed through by pump chamber 64 by fuel-displaced by the pressure from diaphragm 4, now fuel oil
Check valve 52 flows into oil-out 62.
When hand oil pump does not work and during engine work, to avoid the autonomous action of diaphragm, set on headkerchief 31
Put the position limiting structure for being capable of set lever 2, so as to being locked to diaphragm 4, make its will not due to stirring for fuel pressure and from
Actively make.Specifically, position limiting structure is that groove 312 is with sliding by the groove 312 of the top laterally extending setting in chute 311
The vertical height of the slideway 313 connected between groove 311 is lower than the vertical height of the upper surface of headkerchief 32.In view of diaphragm 4 in
During the overhead height of pump chamber 64, projection 211 still in chute 311 inside, therefore laterally open up one in the upper position of chute 311
Bar slideway 313 so that projection 211 can depart from chute 311 and enter in groove 313, and then due to projection 211 and the bottom of groove 312
Portion abuts, and realizes the limit function to handle 2.Further, the both sides of groove 312 can play the left and right to projection 211
Spacing effect, preferably fixed with spacing so that gland 3 is realized with handle 2, i.e., diaphragm 4 will not occur with respect to gland 3
Move up and down, complete it is spacing, avoid diaphragm 4 because perseveration and caused by fatigue damage.Further, by optimizing gland 3
With the structure of handle 2, mould one-shot forming can be achieved, the gland 3 and handle 2 being related in present embodiment are one-shot forming
Structure, it is not necessary to secondary operation, reduce production and processing cost.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating example of the present invention, and it is pair to be not
The restriction of embodiments of the present invention.For the ordinary skill user of art, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (10)
1. a kind of fuel filter seat, including pedestal (1) and the hand oil pump on the pedestal (1), it is characterised in that institute
Stating hand oil pump includes：
Handle (2), it is on the outside of the hand oil pump；
Gland (3), it includes headkerchief (31) and the cover plate (32) being connected with the headkerchief (31), and the cover plate (32) is fixed on institute
State on pedestal (1)；
Diaphragm (4), it is connected with the handle (2), and located at the inside of the cover plate (32)；
When the handle (2) is in first position relative to the headkerchief (31), the handle (2) can be relative to the headkerchief
(31) slide up and down；During in the second place, the handle (2) is relative to the headkerchief (31) axial lock.
2. fuel filter seat according to claim 1, it is characterised in that the handle (2) includes：
Cap (21), is provided with it raised (211), and the headkerchief (31) is slidedly arranged on the inside of the cap (21)；
Open tubular column (22), is provided with cavity in it, and it is internal that the open tubular column (22) is located at the cap (21), and with the cap
(21) it is integrally formed.
3. fuel filter seat according to claim 2, it is characterised in that the diaphragm (4) is by bulb hinged in institute
State the cavity of open tubular column (22).
4. fuel filter seat according to claim 2, it is characterised in that the headkerchief (31) is provided with chute (311), institute
Stating raised (211) can slide up and down along the chute (311).
5. fuel filter seat according to claim 4, it is characterised in that the chute (311) it is top laterally extending
Fluted (312), it is internal that the projection (211) can be connected to the groove (312).
6. fuel filter seat according to claim 5, it is characterised in that the groove (312) and the chute (311)
Between be connected with slideway (313).
7. fuel filter seat according to claim 2, it is characterised in that open tubular column (22) outer cover is provided with bullet
Spring, the spring are located between the cap (21) and the cover plate (32).
8. fuel filter seat according to claim 1, it is characterised in that be provided with oil inlet (61) in the pedestal (1)
With oil-out (62), the logical oil circuit formed by the oil inlet (61) to the oil-out (62) is provided with line check valve
(51), oil outlet one-way valve (52) and main check valve (53).
9. fuel filter seat according to claim 8, it is characterised in that be provided with below the diaphragm (4) and supply fuel oil stream
The pump chamber (64) of warp, the pump chamber (64) connect with the in line check valve (51) and the oil outlet one-way valve (52).
10. according to fuel filter seat according to any one of claims 1 to 9, it is characterised in that the hand oil pump is located at
Filter the side of after-burning oil stream warp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466588.XA CN107882668B (en) | 2017-12-28 | 2017-12-28 | Fuel filter seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466588.XA CN107882668B (en) | 2017-12-28 | 2017-12-28 | Fuel filter seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107882668A true CN107882668A (en) | 2018-04-06 |
| CN107882668B CN107882668B (en) | 2023-12-19 |
Family
ID=61770614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711466588.XA Active CN107882668B (en) | 2017-12-28 | 2017-12-28 | Fuel filter seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107882668B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4112152A1 (en) * | 2021-07-02 | 2023-01-04 | MANN+HUMMEL GmbH | Filter system comprising a pump and filter head module for a filter system |
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|---|---|---|---|---|
| FR880242A (en) * | 1941-03-18 | 1943-03-17 | Pallas Apparate Gmbh | Diaphragm pump for the circulation of liquids, in particular fuels |
| FR1278042A (en) * | 1960-10-24 | 1961-12-08 | Prec Mecanique Labinal | Priming filter-pump assembly for diesel engine fuel system |
| US3358610A (en) * | 1964-12-08 | 1967-12-19 | Munster Simms Eng Ltd | Diaphragm pumps |
| DE7515753U (en) * | 1975-05-16 | 1975-09-11 | Hartli Vinko | DIAPHRAGM PISTON PUMP |
| FR2517378A1 (en) * | 1981-11-28 | 1983-06-03 | Becker Erich | MEMBRANE PUMP |
| DE3327437A1 (en) * | 1982-08-06 | 1984-02-09 | Nissan Motor Co., Ltd., Yokohama, Kanagawa | FUEL SUPPLY DEVICE FOR DIESEL INTERNAL COMBUSTION ENGINES |
| SU1318716A1 (en) * | 1985-12-29 | 1987-06-23 | Пермское Высшее Военное Командно-Инженерное Краснознаменное Училище Ракетных Войск Им.Маршала Советского Союза В.И.Чуйкова | Fuel pump for fuel-feed system of vehicle engine |
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| JPH09133059A (en) * | 1995-11-10 | 1997-05-20 | Denso Corp | Hand pump device |
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| CN107882668B (en) | 2023-12-19 |
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