CN108979921A - Handlance and method for exhausting for fuel filter - Google Patents
Handlance and method for exhausting for fuel filter Download PDFInfo
- Publication number
- CN108979921A CN108979921A CN201810663264.3A CN201810663264A CN108979921A CN 108979921 A CN108979921 A CN 108979921A CN 201810663264 A CN201810663264 A CN 201810663264A CN 108979921 A CN108979921 A CN 108979921A
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- China
- Prior art keywords
- handlance
- fuel filter
- gas
- shell
- guide tube
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Classifications
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- 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
- F02M37/20—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 characterised by means for preventing vapour lock
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention belongs to fuel filter exhaust technique fields, and in particular to a kind of handlance and method for exhausting for fuel filter.Handlance of the present invention for fuel filter includes the upper cover and lower cover being connected by shell, the inside of the shell is equipped with spring in the axial direction, the upper lid is equipped with the handlance exhaust outlet being connected with the inside of the shell, the first check valve is equipped in the handlance exhaust outlet, the lower lid is equipped with the gas-guide tube that can be connected with fuel filter seat gas vent, the inside of the gas-guide tube is equipped with the handlance air inlet being connected with the inside of the shell, is additionally provided with second one-way valve in the gas-guide tube.It by using the handlance and method for exhausting of the present invention for fuel filter, can be needed to be external on fuel filter seat at any time according to exhaust, structure is simple, and easy to use, capacity is big, and pump atmidometer is small, reduces labor intensity when artificial exhaust.
Description
Technical field
The invention belongs to fuel filter exhaust technique fields, and in particular to a kind of handlance for fuel filter and
Method for exhausting.
Background technique
Fuel filter is to provide cleaner fuels for elements such as the fuel pumps, oily rail, atomizer of engine fuel oil system
Component, filter in fuel system and the air in pipeline can be discharged for the hand oil pump of institute's band on fuel filter seat, and handle
Fuel oil in fuel tank fills filter or fuel pipe by low pressure oil way, nothing in the oil circuit of fuel system when making engine operation
Air exists, and guarantee starts function normally to start and work.
The degassing procedure of fuel system is as follows: when shutting down replacement fuel preliminary filter filter core, needing to pour into advance in filter core
It some fuel oils but not fills completely, the air in filter core is emptied after filter element replacing, needs to unscrew coarse filter delivery connection, is used
Hand constantly presses handlance until delivery connection has the fuel oil of not bubbles to flow out.When should replace fuel fine filter core together,
It needs to pour into some fuel oils in filter core in advance, the air in filter core is emptied after filter element replacing, need to unscrew that fine filter is fuel-displaced connects
Head constantly presses handlance with hand until delivery connection has the fuel oil of not bubbles to flow out.But existing handlance product has
Following disadvantage:
1, it is influenced by filter block size and complete machine arrangement space, there is a problem of small in size, its single pump oil amount is only in this way
For 15ml, completes single exhaust work needs continuous pump oil 100 times or more, the difficulty of manual pump oil is significantly greatly increased.
2, when engine operation, the components such as spring, rubber pad and check valve in handlance by fuel oil pulse and
Vehicle vibration influences, and the problems such as rubber pad rupture, check valve damage often occurs, there is very big security risk.
3, handlance does not have movement when to guarantee combustion filter work, and the spring force of contained spring is larger, and each pump oil needs
Spring force is overcome to do work, pump oil resistance is too big, increases labor intensity.
Summary of the invention
The purpose of the present invention is to solve at least one above-mentioned problem, which is by the following technical programs
It realizes.
The present invention proposes a kind of handlance for fuel filter, including the upper cover being connected by shell under
Lid, forms gas storage space, the inside of the shell is equipped with bullet in the axial direction between the upper cover, the lower cover and the shell
Spring, one end of the spring are connected with the bottom surface of the upper cover, and the other end of the spring is connected with the top surface of the lower cover, when
The spring is compressed or is extended when deformation occurs, the shell can be generated with the deformation of the spring same deformation to
Change the internal pressure of the gas storage space, the upper lid is equipped with the handlance being connected with the inside of the shell and is vented
Mouthful, the first check valve that the intracorporal gas of the shell can be connected to outside the shell is equipped in the handlance exhaust outlet,
The lower lid is equipped with the gas-guide tube that can be connected with fuel filter seat gas vent, and the inside of the gas-guide tube is equipped with and institute
The handlance air inlet that the inside of shell is connected is stated, the gas-guide tube is connected with the fuel filter seat gas vent
The second one-way valve that the internal gas of the fuel filter can be connected to the inside of the shell is equipped in end.
Further, it is used for the handlance of fuel filter as described above, the shell to be by that can occur elastic deformation
Plastics or rubber be made.
Further, it is used for the handlance of fuel filter as described above, the handlance exhaust outlet to be set on described
The side of lid, the handlance air inlet are set to the side of the lower cover, and the handlance exhaust outlet and the handlance into
The direction of port is consistent.
Further, it is used for the handlance of fuel filter as described above, the gas-guide tube to be transparent hose.
Further, it is used for the handlance of fuel filter as described above, the both ends of the gas-guide tube can to lead to respectively
It crosses clip and is fixed on the fuel filter seat gas vent and the handlance air inlet.
The invention also provides a kind of method for exhausting for fuel filter, are used for fuel cleaning according to described above
The handlance of device carries out the exhaust of fuel filter, comprising the following steps:
After replacing fuel filter filter core, the air bleeder screw plug on fuel filter seat is opened；
Gas-guide tube is connected with fuel filter seat gas vent, to be connected to the fuel filter and the hand pressure
Pump；
The upper cover and lower cover for squeezing the handlance, reduce gas storage space, and the intracorporal gas of shell is arranged by handlance
The first check valve in port is discharged；
The upper cover and lower cover of the handlance are unclamped, the shell restores to original state under the action of the spring, and will be described
Gas in fuel filter is sucked into the inside of the shell by second one-way valve and handlance air inlet；
The upper cover and lower cover of the handlance are repeatedly extruded and unclamp, until there is bubble-free fuel oil in the gas-guide tube
When, the gas in the fuel filter is all discharged.
Further, it is used for the method for exhausting of fuel filter as described above, further comprising the steps of:
After the gas in the fuel filter all discharge, by the company of the gas-guide tube and the handlance air inlet
It connects end to unclamp, and the connecting pin of the gas-guide tube and the handlance air inlet is elevated；
The connecting pin of the gas-guide tube and the fuel filter seat gas vent is unclamped；
Tighten the air bleeder screw plug on the fuel filter seat.
Further, be used for the method for exhausting of fuel filter as described above, when the upper cover for squeezing the handlance and
When lower cover, first check valve is opened, and the second one-way valve is closed.
Further, be used for the method for exhausting of fuel filter as described above, when the upper cover for unclamping the handlance and
When lower cover, the second one-way valve is opened, first closed check valve.
It, can be according to exhaust needs by using the handlance and method for exhausting of the present invention for fuel filter
It is external on fuel filter seat at any time, structure is simple, and easy to use, overall dimensions are not influenced by fuel filter seat, row
Large-minded, pump atmidometer is small, reduces labor intensity when artificial exhaust.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the method flow diagram that fuel filter exhaust is carried out using the embodiment of the present invention.
Respectively label is expressed as follows in attached drawing:
11: upper cover, 12: lower cover, 13: shell；
20: spring；
30: handlance exhaust outlet, 31: the first check valves；
40: handlance air inlet；
50: gas-guide tube；
60: second one-way valve；
70: fuel filter seat, 71: fuel filter seat gas vent.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
Fig. 1 is the overall structure diagram of the embodiment of the present invention.As shown in Figure 1, being used for fuel cleaning in the present embodiment
The handlance of device includes the upper cover 11 being connected by shell 13 and lower cover 12.It is formed between upper cover 11, lower cover 12 and shell 13
Gas storage space, the inside of shell 13 are equipped with spring 20 in the axial direction, and one end of spring 20 is connected with the bottom surface of upper cover 11, spring
20 other end is connected with the top surface of lower cover 12.When spring 20 is compressed or is extended deformation occurs when, shell 13 can be with spring
20 deformation generates same deformation to change the internal pressure of gas storage space.Upper cover 11 is equipped with the inside phase with shell 13
Lead to the handlance exhaust outlet 30 connect, being equipped in handlance exhaust outlet 30, the gas in shell 13 can be connected to outside shell 13
The first check valve 31.Lower cover 12 is equipped with the gas-guide tube 50 that can be connected with fuel filter seat gas vent 71, gas-guide tube
50 inside is equipped with the handlance air inlet 40 being connected with the inside of shell 13, and gas-guide tube 50 and fuel filter seat are deflated
It is unidirectional that the internal gas of fuel filter can be connected to the inside of shell 13 second is equipped in the ends that mouth 71 is connected
Valve 60.
In the present embodiment, shell 13 is made by elastically-deformable plastics can occur, and gas-guide tube 50 is transparent hose, is led
The both ends of tracheae 50 pass through clip respectively and are fixed on fuel filter seat gas vent 71 and handlance air inlet 40.Handlance exhaust
Mouth 30 is set to the side of upper cover 11, and handlance air inlet 40 is set to the side of lower cover 12, and handlance exhaust outlet 30 and handlance
The direction of air inlet 40 is consistent.Fuel filter seat 70 is equipped with fuel filter seat gas vent 71.
In the present embodiment, shell 13 is made by elastically-deformable plastics can occur, when spring 20 is compressed, shell 13
The elastic deformation of same length can occur with spring 20.Since the first check valve 31 is arranged to only allow the gas in shell 13
It is conducting to outside shell 13, second one-way valve 60 is arranged in the gas communication to shell 13 in a permission fuel filter, works as bullet
When spring 20 is compressed, the internal volume of shell 13 reduces, and gas storage space reduces, and the pressure in shell 13 increases.When in shell 13
Pressure when being greater than outside pressure, the gas in shell 13 can be drained into atmosphere from handlance exhaust outlet 30.When spring 20
When being stretched, the internal volume of shell 13 increases, and gas storage space increases, and the pressure in shell 13 reduces.Pressure in shell 13
When the strong internal pressure for being less than fuel filter, the internal gas of fuel filter can imported into shell from handlance air inlet 40
Inside body 13, so that the internal gas of fuel filter is discharged.
After the internal gas of fuel filter is all discharged, then second compression and elongation spring 20 can be by fuel filters
Interior oil liquid is sucked out, and is directed into the inside of gas-guide tube 50.When occurring bubble-free fuel oil in gas-guide tube 50, that is, indicate combustion
Gas in oil rectifier is all discharged.By gas-guide tube 50 be arranged to transparent hose help to observe in derived oil liquid whether band
There is bubble, to judge whether the internal gas of fuel filter is all discharged.Meanwhile sebific duct can be arbitrarily bent, and be convenient for
The connection of fuel filter seat 70 and handlance.It the position of handlance can not be by the volume of fuel filter and the shadow of position
It rings, can arbitrarily put.Meanwhile entire shell 13 is used as gas storage space, improves pump tolerance, since handlance is not necessarily to fuel filter
Associated movement when clear device work, the spring force of spring is smaller, only needs that fuel system resistance is overcome to do manual work when pumping gas, drops
Labor intensity when low exhaust.
Fig. 2 is the method flow diagram that fuel filter exhaust is carried out using the embodiment of the present invention.As shown in Fig. 2, using upper
State the exhaust that the handlance for fuel filter in embodiment carries out fuel filter, comprising the following steps:
After replacing fuel filter filter core, the air bleeder screw plug on fuel filter seat 70 is opened.
Gas-guide tube 50 is connected with fuel filter seat gas vent 70, to be connected to fuel filter and handlance.
The upper cover 11 and lower cover 12 for squeezing handlance, reduce gas storage space, the gas in shell 13 are passed through handlance
The first check valve 31 in exhaust outlet 30 is discharged.
When squeezing the upper cover 11 and lower cover 12 of handlance, the first check valve 31 is opened, and second one-way valve 60 is closed.Shell
Space in 13 reduces, and the gas in shell 13 is discharged by handlance exhaust outlet 30.
The upper cover 11 and lower cover 12 of handlance are unclamped, shell 13 restores under the action of spring 20 to original state, and by fuel oil
Gas in filter is sucked into the inside of shell 13 by second one-way valve 60 and handlance air inlet 40.
After the gas discharge in shell 13, the upper cover 11 and lower cover 12 of handlance are unclamped, spring 20 drives shell 13 extensive
Again to original state.At this point, second one-way valve 60 is opened by the suction function in shell 13, the first check valve 31 is closed.Fuel oil
The internal gas of filter is passed into the inside of shell 13 by gas-guide tube 50 and handlance air inlet, thus by fuel filter
Inner air be discharged.
The upper cover 11 and lower cover 12 of handlance are repeatedly extruded and unclamp, until when there is bubble-free fuel oil in gas-guide tube 50,
Gas in fuel filter is all discharged.
The method is not only suitable for fuel preliminary filter exhaust, is also applied for secondary fuel oil filter exhaust.
Further, the method for exhausting is further comprising the steps of:
After the gas in fuel filter all discharge, by the connecting pin of gas-guide tube 50 and handlance air inlet 40 pine
It opens, and gas-guide tube 50 and the connecting pin of handlance air inlet 40 is elevated.
The connecting pin of gas-guide tube 50 and fuel filter seat gas vent 71 is unclamped.
It first unclamps the connecting pin of gas-guide tube 50 and handlance air inlet 40 and elevates, prevent the oil liquid stream in gas-guide tube 50
It loses, causes the pollution of environment and the waste of oil liquid.It, will when the oil liquid in gas-guide tube 50 is all back to inside fuel filter
It unclamps the connecting pin of gas-guide tube 50 and fuel filter seat gas vent 71.
The air bleeder screw plug on fuel filter seat 70 is finally tightened, the exhaust and demolishing process of handlance are completed.
It, can be according to exhaust needs by using the handlance and method for exhausting of the present invention for fuel filter
It is external on fuel filter seat at any time, structure is simple, and easy to use, overall dimensions are not influenced by fuel filter seat, row
Large-minded, pump atmidometer is small, reduces labor intensity when artificial exhaust.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (9)
1. a kind of handlance for fuel filter, which is characterized in that including the upper cover and lower cover being connected by shell, institute
It states and forms gas storage space between upper cover, the lower cover and the shell, the inside of the shell is equipped with spring in the axial direction, institute
The one end for stating spring is connected with the bottom surface of the upper cover, and the other end of the spring is connected with the top surface of the lower cover, when described
Spring is compressed or is extended when deformation occurs, and the shell can generate same deformation with the deformation of the spring to change
The internal pressure of the gas storage space, the upper lid are equipped with the handlance exhaust outlet being connected with the inside of the shell,
The first check valve that the intracorporal gas of the shell can be connected to outside the shell is equipped in the handlance exhaust outlet, it is described
Lower lid is equipped with the gas-guide tube that can be connected with fuel filter seat gas vent, and the inside of the gas-guide tube is equipped with and the shell
The handlance air inlet that the inside of body is connected, the end that the gas-guide tube is connected with the fuel filter seat gas vent
It is interior equipped with the second one-way valve that the internal gas of the fuel filter can be connected to the inside of the shell.
2. the handlance according to claim 1 for fuel filter, which is characterized in that the shell is by that can occur
Elastically-deformable plastics or rubber are made.
3. the handlance according to claim 1 for fuel filter, which is characterized in that the handlance exhaust outlet is set
In the side of the upper cover, the handlance air inlet is set to the side of the lower cover, and the handlance exhaust outlet and described
The direction of handlance air inlet is consistent.
4. the handlance according to claim 1 for fuel filter, which is characterized in that the gas-guide tube is transparent adhesive tape
Pipe.
5. the handlance according to claim 4 for fuel filter, which is characterized in that the both ends energy of the gas-guide tube
It is enough that the fuel filter seat gas vent and the handlance air inlet are fixed on by clip respectively.
6. a kind of method for exhausting for fuel filter is used for fuel oil according to any one of the claims 1-5
The handlance of filter carries out the exhaust of fuel filter, comprising the following steps:
After replacing fuel filter filter core, the air bleeder screw plug on fuel filter seat is opened；
Gas-guide tube is connected with fuel filter seat gas vent, to be connected to the fuel filter and the handlance；
The upper cover and lower cover for squeezing the handlance, reduce gas storage space, and the intracorporal gas of shell is passed through handlance exhaust outlet
The first interior check valve is discharged；
The upper cover and lower cover of the handlance are unclamped, the shell restores to original state under the action of the spring, and by the fuel oil
Gas in filter is sucked into the inside of the shell by second one-way valve and handlance air inlet；
The upper cover and lower cover of the handlance are repeatedly extruded and unclamp, until when there is bubble-free fuel oil in the gas-guide tube, it will
Gas in the fuel filter is all discharged.
7. the method for exhausting according to claim 6 for fuel filter, which is characterized in that further comprising the steps of:
After the gas in the fuel filter all discharge, by the connecting pin of the gas-guide tube and the handlance air inlet
It unclamps, and the connecting pin of the gas-guide tube and the handlance air inlet is elevated；
The connecting pin of the gas-guide tube and the fuel filter seat gas vent is unclamped；
Tighten the air bleeder screw plug on the fuel filter seat.
8. the method for exhausting according to claim 6 for fuel filter, which is characterized in that when the extruding handlance
Upper cover and lower cover when, first check valve is opened, and the second one-way valve is closed.
9. the method for exhausting according to claim 6 for fuel filter, which is characterized in that when the release handlance
Upper cover and lower cover when, the second one-way valve is opened, first closed check valve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810663264.3A CN108979921A (en) | 2018-06-25 | 2018-06-25 | Handlance and method for exhausting for fuel filter |
| PCT/CN2018/093798 WO2020000415A1 (en) | 2018-06-25 | 2018-06-29 | Hand pump for fuel filter and air discharging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810663264.3A CN108979921A (en) | 2018-06-25 | 2018-06-25 | Handlance and method for exhausting for fuel filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108979921A true CN108979921A (en) | 2018-12-11 |
Family
ID=64538229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810663264.3A Pending CN108979921A (en) | 2018-06-25 | 2018-06-25 | Handlance and method for exhausting for fuel filter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108979921A (en) |
| WO (1) | WO2020000415A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4747760A (en) * | 1985-09-27 | 1988-05-31 | Robert Bosch Gmbh | Hand-actuatable pump for feed pumps of fuel injection systems for internal combustion engines |
| CN2211504Y (en) * | 1994-08-29 | 1995-11-01 | 吕惠志 | Portable transfusion pump |
| CN2816406Y (en) * | 2005-06-29 | 2006-09-13 | 江坤 | Portable air inflator |
| CN201858065U (en) * | 2010-10-15 | 2011-06-08 | 上海柴油机股份有限公司 | External manual pump device of fuel oil coarse filter for diesel engine |
| CN202789256U (en) * | 2012-08-31 | 2013-03-13 | 合肥威尔燃油系统有限责任公司 | Fuel filter |
| CN204921219U (en) * | 2015-09-16 | 2015-12-30 | 安徽江淮汽车股份有限公司 | Fuel oil system assists exhaust apparatus |
-
2018
- 2018-06-25 CN CN201810663264.3A patent/CN108979921A/en active Pending
- 2018-06-29 WO PCT/CN2018/093798 patent/WO2020000415A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4747760A (en) * | 1985-09-27 | 1988-05-31 | Robert Bosch Gmbh | Hand-actuatable pump for feed pumps of fuel injection systems for internal combustion engines |
| CN2211504Y (en) * | 1994-08-29 | 1995-11-01 | 吕惠志 | Portable transfusion pump |
| CN2816406Y (en) * | 2005-06-29 | 2006-09-13 | 江坤 | Portable air inflator |
| CN201858065U (en) * | 2010-10-15 | 2011-06-08 | 上海柴油机股份有限公司 | External manual pump device of fuel oil coarse filter for diesel engine |
| CN202789256U (en) * | 2012-08-31 | 2013-03-13 | 合肥威尔燃油系统有限责任公司 | Fuel filter |
| CN204921219U (en) * | 2015-09-16 | 2015-12-30 | 安徽江淮汽车股份有限公司 | Fuel oil system assists exhaust apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020000415A1 (en) | 2020-01-02 |
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Application publication date: 20181211 |