CN115288897A - Prevent concentrated fuel pump of static - Google Patents
Prevent concentrated fuel pump of static Download PDFInfo
- Publication number
- CN115288897A CN115288897A CN202211072864.5A CN202211072864A CN115288897A CN 115288897 A CN115288897 A CN 115288897A CN 202211072864 A CN202211072864 A CN 202211072864A CN 115288897 A CN115288897 A CN 115288897A
- Authority
- CN
- China
- Prior art keywords
- oil
- filter
- hole
- pressure relief
- distal end
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 40
- 230000003068 static effect Effects 0.000 title claims abstract description 39
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims description 90
- 239000007924 injection Substances 0.000 claims description 90
- 238000009434 installation Methods 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 210000002445 nipple Anatomy 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 12
- 239000003921 oil Substances 0.000 description 110
- 239000000295 fuel oil Substances 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 239000002828 fuel tank Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
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
- 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
-
- 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
- F02M37/42—Installation or removal of filters
-
- 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
Abstract
The invention discloses an anti-static centralized fuel pump which comprises a pump core, a filter and an oil pool, wherein the pump core is positioned in the middle of the filter, at least three filter hooks are uniformly arranged on the outer side of the filter along the circumferential direction, the filter is arranged in the oil pool through the filter hooks, the pump core is clamped at the lower end of the filter through a fixing clamp arranged at the lower end of the pump core, two connecting nozzles are arranged at the upper end of the filter at intervals, one connecting nozzle is communicated with the filter, the two connecting nozzles are connected through a door-shaped connecting piece, an oil outlet joint capable of being exactly covered on an oil outlet nozzle at the upper end of the pump core is arranged in the middle of the connecting piece, the connecting piece is made of a conductive material, a filter static terminal for leading static out is arranged on the connecting piece, and the oil outlet nozzle is communicated with the connecting nozzle through a first connecting hole arranged in the connecting piece. Static electricity on the filter can be led out, and the whole filter is convenient to install.
Description
Technical Field
The invention belongs to the technical field of fuel pump parts, and particularly relates to an anti-static concentrated fuel pump.
Background
The fuel pump is arranged in the fuel tank and the fuel system and used for ensuring that fuel in the fuel tank can enter the fuel system cleanly. In fuel pumps, filters for filtering the fuel are provided, since the fuel flows in the filters, so that the filters generate a large amount of electrostatic charges, especially at the position where the fuel enters the filters from the pump core, the material of the entire filter is set as a conductive material to discharge the electrostatic charges on the filters, and then the static electricity is led out. Generally, the filter is formed by welding the filter base and the filter upper cover, and the conductive material is very difficult to weld due to the carbon element, and the cost of the conductive material is high.
Disclosure of Invention
The invention aims to provide an anti-static centralized fuel pump which not only can lead out static on a filter, but also is convenient for the installation of the whole filter.
Therefore, the technical scheme adopted by the invention is as follows: the utility model provides a prevent static concentrated fuel pump, includes pump core, filter and oil bath, the pump core is located the middle part of filter, the outside of filter evenly is provided with at least three filter couple along circumference, the filter passes through the filter couple setting in the oil bath, the pump core passes through the fixing clip joint that the lower extreme set up at the filter lower extreme, the upper end interval of filter is provided with two and connects the mouth, and one of them connects mouth and filter intercommunication, connects between two and is connected the connecting piece through the door type, the middle part of connecting piece is provided with the oil outlet joint that can just cover on the play oil nozzle of pump core upper end, the connecting piece adopts conducting material, be provided with the filter static terminal that is used for deriving static on the connecting piece, go out oil nozzle and connect through the first connecting hole intercommunication that sets up in the connecting piece between the mouth.
Preferably, the connector has a static groove in the middle for mounting the static terminal, and the static groove is disposed at the position of the oil nozzle.
Further preferably, the connecting piece is provided with the lower extreme that supplies U type round pin male mounting groove with every connection mouth to correspond, the mounting groove includes two installation strip holes, and the middle part in every installation strip hole is provided with the boss that extends from top to bottom, and the upper and lower both ends of boss all are connected through the inclined plane with the connecting piece.
Further preferably, after the filter is installed, the top surface of the filter is lower than the top surface of the oil pool.
It is further preferred, the one end of connecting piece is provided with the injection glib talker that is used for providing the injection oil for the distal end injection subassembly, inject between glib talker and the glib talker through the second connecting hole intercommunication that sets up in the connecting piece, the distal end injection subassembly includes that vertical setting draws the fixed block at the distal end on the oil bath inner wall, the distal end draws to be provided with in the fixed block with communicating distal end play oil extension hole in the oil bath, the upper end cartridge that the distal end goes out oil extension hole has the distal end to draw the ejector pad, the interval is provided with up distal end siphon hole and distal end injection hole about on the distal end injection pad, be provided with down distal end oil outlet on the distal end injection pad, and the axis coincidence of distal end oil outlet and distal end injection hole, draw between distal end injection hole and the distal end injection hole through the elongated hole intercommunication that sets up in the distal end injection pad, the distal end connection hole intercommunication through the level setting between distal end injection hole and the distal end siphon hole, correspond on distal end injection hole and the distal end siphon hole and be provided with distal end joint and the distal end joint, the distal end connects through the connection of remote end.
Further preferably, a filter screen is arranged in the far-end injection joint, and the diameter of a filter hole of the filter screen is not larger than that of the elongated hole.
Further preferably, the vertical oil pipe oil outlet that is provided with the inside intercommunication of filter in filter side, the lower extreme joint of oil pipe oil outlet has the communicating pressure regulator oil feed mouth with the voltage regulator, the voltage regulator is installed in the oil bath lower extreme outside, the oil outlet direction setting of voltage regulator is in the oil bath, be provided with the voltage regulator electrostatic terminals that are located the oil bath outside and are used for deriving the interior static of voltage regulator on the joint of voltage regulator.
Preferably, the oil outlet end of the pressure regulator is provided with a horizontal oil nozzle, the other end of the oil nozzle is provided with a horizontal injection nozzle, the injection nozzle comprises an injection large section and an injection small section, the oil nozzle is inserted into the injection large section of the injection nozzle, the oil nozzle and the injection nozzle are both arranged in a horizontal near-end connecting hole at the bottom of the oil pool, one end of the near-end connecting hole, far away from the injection nozzle, is communicated with a vertically arranged near-end oil outlet, the upper end of the near-end oil outlet is communicated with the oil pool, the near-end connecting hole is communicated with a vertically arranged near-end siphon hole at a position close to the other end of the injection nozzle, and the lower end of the near-end siphon hole is communicated with the oil tank.
Further preferably, draw and radially be provided with and draw the pressure release hole that penetrates the segment intercommunication on penetrating the segment, be provided with the pressure release via hole with the oil bath intercommunication directly over the pressure release hole, the pressure release via hole includes the pressure release inlet port of pressure release chamber and the lower extreme of upper end, and the diameter in pressure release chamber is greater than the diameter of pressure release inlet port, be provided with pressure release subassembly in the pressure release chamber, pressure release subassembly includes the pressure release case, the lower extreme of pressure release case supports on the step of pressure release chamber and pressure release inlet port, the upper end of pressure release case is provided with the pressure release spring that is located the pressure release intracavity, the fixed pressure release end cap that is used for supporting the pressure release spring upper end that is provided with in upper end in pressure release chamber, the position department that is close to the upper end on the pressure release chamber radially is provided with the pressure release and caves.
Further preferably, the upper end of the near-end oil outlet is provided with an oil baffle cover clamped on the oil pool.
The invention has the beneficial effects that: the connecting piece made of a conductive material is arranged, static charges in the filter can be effectively led out, so that static concentration is prevented, and the connecting piece is arranged on the filter through the U-shaped pin, so that the processing difficulty and cost of the filter can be effectively reduced; the connecting piece is arranged in a door shape, so that the acting force of fuel entering the filter from the pump core can be effectively counteracted, and the balance of the filter in the oil pool is ensured; the pump core is arranged in the middle of the filter, so that the area of the filter core in the filter is increased, the oil filtering efficiency is improved, the service life of the filter is prolonged, and the frequency of replacing the filter or the filter core in the filter is reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the installation between the connector and the filter in the present invention.
Fig. 3 is a perspective view of the connector of the present invention.
Fig. 4 is a schematic structural view of the connector of the present invention.
FIG. 5 is a perspective view of a filter according to the present invention.
Fig. 6 is an installation perspective view of the regulator of the present invention.
Fig. 7 is a schematic view of the installation of the regulator of the present invention.
Fig. 8 is an enlarged view of M in fig. 7.
Fig. 9 is an isometric view of the installation of the distal jet assembly of the present invention.
Fig. 10 is a schematic view of the installation of the distal jet assembly of the present invention.
Detailed Description
The invention is further illustrated by the following examples in combination with the accompanying drawings:
as shown in fig. 1-10, the fuel pump with anti-static function mainly comprises a pump core 1, a filter 2, an oil pool 3, a fixing clip 4, a connecting nozzle 5 and a connecting piece 6, wherein the pump core 1 is located in the middle of the filter 2, and the filter is arranged in the oil pool. For realizing the installation of the filter, evenly be provided with at least three filter couple 7 along circumference in the outside of filter 2, the filter couple includes coupling part and couple part, and coupling part and couple part all set up to "L" type, wherein coupling part's horizontal segment one end is connected with the filter, coupling part's the horizontal segment other end is connected with the vertical section lower extreme of couple part, coupling part's vertical section upper end is connected with the horizontal segment of couple part, the horizontal segment other end of couple part is connected with the vertical section upper end of couple part, wherein be provided with the joint recess on the vertical section of couple part, position department that is close to the upper end at the oil bath sets up the joint arch corresponding with the joint recess, after the filter is installed, the horizontal segment of couple part contacts with oil bath top surface, the joint arch is located the joint recess, thereby make filter 2 set up in oil bath 3 through filter couple 7.
The filter 2 mainly comprises a filter upper cover, a filter base and a filter element, wherein the filter upper cover, the filter base and the filter element are all provided with through holes for installing the pump element in the middle part, namely, the filter upper cover, the filter base and the filter element are all arranged into a ring shape, the filter upper cover is welded on the filter base, and a cavity for installing the filter element is just formed between the filter upper cover and the filter base. The welding of filter couple is in the outside of filter base, and the welding has evenly to install threely along the circumference, is provided with the joint barb that supplies the pump core installation in the position department that the filter base is close to the lower extreme for 4 joints of fixing clip that pump core 1 set up through the lower extreme are at 2 lower extremes of filter. An oil filter for roughly filtering fuel oil is arranged below the fixing clip.
For realizing the intercommunication between filter and the pump core, be provided with two at the upper end interval of filter 2 and connect mouth 5, and one of them is connected mouth 5 and filter 2 intercommunication, be provided with on another is connected the mouth end cap, connect through the connecting piece 6 of door type between two simultaneously and connect mouth 5, and be provided with in the middle part of connecting piece 6 and just cover the oil outlet joint on the play oil nozzle 1a of pump core 1 upper end, set up the first connecting hole 6a intercommunication in connecting piece 6 through the level between play oil nozzle 1a and the connecting mouth 5. The arrangement of the two connecting nozzles is beneficial to keeping the balance of the whole filter when fuel oil moves. Meanwhile, in order to facilitate the molding of the connecting piece, the two ends of the connecting piece, which are positioned in the first connecting holes 6a, penetrate out of the connecting piece, but corresponding connecting hole plugs are arranged at the two ends of the first connecting holes 6a to ensure that fuel oil does not leak. And for preventing that the fuel does not flow back, corresponding position department is provided with the check valve in the hole system that the fuel passes through, all is provided with the sealing washer between play oil nozzle and connecting piece, between connecting nozzle and connecting piece, setting up to prior art of check valve and sealing washer, no longer gives unnecessary details here.
In order to realize the discharge of static electricity on the filter, especially the discharge of static electricity at the corners when fuel oil flows, the connecting piece 6 is made of conductive material, and a filter static electricity terminal for discharging the static electricity is arranged on the connecting piece 6, specifically, a static electricity groove 6b for installing the static electricity terminal is arranged at the middle part of the connecting piece 6, namely, the static electricity groove 6b is arranged at the position of the oil outlet nozzle 1 a.
For the installation of convenient connecting piece, be provided with the lower extreme that supplies U type round pin male mounting groove 6c at connecting piece 6 and every connection mouth 5 correspondence, mounting groove 6c includes two installation strip holes a that relative level ring set up, is provided with the boss b that extends from top to bottom simultaneously in the middle part of every installation strip hole a, wherein the setting of boss is used for preventing after the U type round pin inserts the installation strip hole that the U type round pin deviates from to when installation U type round pin, two U type round pins are opposite in orientation. In order to facilitate the connection of the reinforcing block and the connecting piece, the upper end and the lower end of the reinforcing block b are connected with the connecting piece 6 through inclined planes.
To further prevent the occurrence of static electricity on the filter, it is necessary to ensure that the top surface of the filter 2 is lower than the top surface of the oil sump 3 after installation. In use, the filter is flooded with fuel, and as static electricity is not present in the fuel, static electricity is not present in the filter.
One end of the connecting piece 6 is provided with an injection nozzle 8 for providing injection oil for the far-end injection assembly, and the injection nozzle 8 is communicated with the oil outlet nozzle 1a through a second connecting hole 6d arranged in the connecting piece 6. The specific structure of the far-end injection assembly comprises a far-end injection fixing block 9 vertically arranged on the inner wall of the oil pool 3, and a far-end oil outlet extending hole 9a communicated with the inside of the oil pool 3 is formed in the far-end injection fixing block 9. In order to realize the injection of the far-end injection, a far-end injection block 10 is inserted at the upper end of the far-end oil outlet extension hole 9a, an upward far-end siphon hole 10a and a far-end injection hole 10b are arranged on the far-end injection block 10 at left and right intervals, a downward far-end oil outlet hole 10c is arranged on the far-end injection block 10, and the axes of the far-end oil outlet hole 10c and the far-end injection hole 10b coincide. The far-end injection joint 12 is connected with the injection nozzle 8 through a far-end injection oil pipe 13, and the far-end siphon hole is communicated with one end, far away from the fuel pump, of the fuel tank through a far-end siphon oil pipe.
In order to realize the communication between the holes, the far-end oil outlet hole 10c and the far-end injection hole 10b are communicated through a long hole 10d arranged in the far-end injection block 10, and the far-end oil outlet hole 10c and the far-end siphon hole 10a are communicated through a far-end connecting hole 10e horizontally arranged. The far-end siphon hole 10a and the far-end injection hole 10b are correspondingly provided with a far-end siphon connector 11 and a far-end injection connector 12. In this embodiment, the lower extreme of distal end siphon connects and correspondingly inserts and weld in distal end siphon hole upper end, and the lower extreme of distal end injection joint corresponds the cartridge and welds in the upper end of distal end injection hole, and the distal end draws the piece to penetrate the lower extreme cartridge of oil outlet and weld on the distal end oil outlet extension hole of fixed block is drawn to the distal end at the distal end.
Simultaneously for convenient processing, draw the one end of piece at the distal end with distal end oil outlet and distal end injection hole setting, and the one end that the connecting hole is close to distal end siphon hole outwards wears out the distal end and draws the piece, and the one end of wearing out at the connecting hole is equipped with the leak protection end cap, because elongated hole directly sets up inconvenient processing in the distal end draws the piece, consequently is provided with between distal end oil outlet and distal end injection hole and draws the case, draws the elongated hole setting in drawing the case.
In order to prevent the elongated hole from being blocked in the using process, a filter screen 13 is arranged in the far-end injection joint 12, and the diameter of a filter hole of the filter screen 13 is not larger than that of the elongated hole 10 d.
When the access of distal end draw jet hole had the fuel of pressure, fuel can enter into the distal end under the effect of gravity behind the elongated hole and go out the oil pocket, because the fuel pressure behind the elongated hole can increase and appear the siphon to take the fuel of oil tank distal end to enter into the distal end oil pocket along oil pipe, distal end siphon hole, connecting hole, go out oil along the distal end at last and extend in the hole 2a enters into the oil bath together.
The vertical oil pipe oil outlet 2a that is provided with and 2 inside intercommunications of filter in 2 sides of filter, have at the lower extreme joint of oil pipe oil outlet 2a with the communicating pressure regulator oil inlet 15 of pressure regulator 14, install pressure regulator 14 in the 3 lower extreme outsides of oil bath to the oil outlet direction of pressure regulator 14 sets up in oil bath 3, is provided with the pressure regulator electrostatic terminal 15 that is located the oil bath outside and is used for deriving the interior static of pressure regulator 14 on the joint of pressure regulator 14.
In this embodiment, in order to realize the injection at the position of the fuel tank close to the fuel pump, a horizontal fuel injection nozzle 16 is arranged at the oil outlet end of the pressure regulator 14, and a horizontal injection nozzle 17 is arranged at the other end of the fuel injection nozzle 16. The injection nozzle 17 comprises an injection large section 17a and an injection small section 17b, the diameter of an inner hole of the injection large section 17a is larger than that of the injection small section 17b, and the oil nozzle 16 is inserted into the injection large section 17a of the injection nozzle 17.
The oil nozzle 16 and the injection nozzle 17 are both arranged in a horizontal near-end connecting hole 3a at the bottom of the oil pool 3. Meanwhile, one end, far away from the guiding nozzle 17, of the near-end connecting hole 3a is communicated with the vertically arranged near-end oil outlet hole 3b, the upper end of the near-end oil outlet hole 3b is communicated with the oil pool 3, the near-end connecting hole 3a is communicated with the vertically arranged near-end siphon hole 3c at a position close to the other end of the guiding nozzle 17, and the lower end of the near-end siphon hole 3c is communicated with the oil tank. Because the near-end injection can be carried out when the regulator is opened, in order to ensure that initial oil inlet is carried out in the oil pool, an oil suction groove communicated with the oil tank is arranged at the bottom of the oil pool.
In order to prevent that the diameter of the small section is small due to injection and the reverse thrust when fuel passes is overlarge, a pressure relief hole 17c communicated with the small section 17b is radially formed in the small section 17b, a pressure relief through hole 18 communicated with the oil pool 3 is formed right above the pressure relief hole 17c, the pressure relief through hole 18 is communicated with the pressure relief hole 17c, the pressure relief through hole 18 comprises a pressure relief cavity 18b at the upper end and a pressure relief oil inlet 18a at the lower end, the diameter of the pressure relief cavity 18b is larger than that of the pressure relief oil inlet 18a, a pressure relief assembly is arranged in the pressure relief cavity 18b and comprises a pressure relief valve core 19, the lower end of the pressure relief valve core 19 abuts against a step between the pressure relief cavity 18b and the pressure relief oil inlet 18a, a pressure relief spring 20 located in the pressure relief cavity 18b is arranged at the upper end of the pressure relief valve core 19, a pressure relief plug 21 used for abutting against the upper end of the pressure relief spring 20 is fixedly arranged at the upper end of the pressure relief cavity 18b, and a pressure relief hole 18c is radially arranged at a position close to the upper end of the pressure relief cavity 18 b.
When the oil pressure in the small injection segment does not exceed a set value, no action can be generated, when the oil pressure in the small injection segment exceeds the set value, the elastic force of a pressure relief spring can be overcome to jack up the pressure relief valve core upwards, then fuel oil enters the pressure relief cavity, and finally flows back into the oil pool from the pressure relief outlet, so that the pressure relief of the small injection segment is realized. When the oil pressure in the small injection segment does not exceed a set value, no action can be generated, when the oil pressure in the small injection segment exceeds the set value, the elastic force of a pressure relief spring can be overcome to jack up the pressure relief valve core upwards, then fuel oil enters the pressure relief cavity, and finally flows back into the oil pool from the pressure relief outlet, so that the pressure relief of the small injection segment is realized.
In order to facilitate the installation of the pressure relief spring, a lower bulge for sleeving the pressure relief spring is arranged at the lower end of the pressure relief plug, and an upper bulge for sleeving the pressure relief spring is arranged at the upper end of the pressure relief valve core.
In order to prevent the near-end injection, the oil is ejected out of the oil pool, and an oil baffle cover 22 clamped on the oil pool 3 is arranged at the upper end of the near-end oil outlet hole 3 b.
Claims (10)
1. The utility model provides a prevent fuel pump that static is concentrated, includes pump core (1), filter (2) and oil bath (3), its characterized in that: pump core (1) is located the middle part of filter (2), the outside of filter (2) evenly is provided with at least three filter couple (7) along circumference, filter (2) set up in oil bath (3) through filter couple (7), fixing clip (4) joint that pump core (1) set up through the lower extreme is at filter (2) lower extreme, the upper end interval of filter (2) is provided with two and connects mouth (5), and one of them connects mouth (5) and filter (2) intercommunication, connects through connecting piece (6) of door type between two connection mouths (5), the middle part of connecting piece (6) is provided with the oil outlet joint (6 e) that can just cover on pump core (1) upper end oil outlet joint (1 a), connecting piece (6) adopt conducting material, be provided with the filter electrostatic terminal that is used for deriving static on connecting piece (6), oil outlet joint (1 a) and connecting mouth (5) through setting up first connecting hole (6 a) intercommunication in connecting piece (6).
2. The fuel pump of claim 1 wherein said static charge concentration is prevented by: the middle part of the connecting piece (6) is provided with an electrostatic tank (6 b) for mounting an electrostatic terminal, and the electrostatic tank (6 b) is arranged at the position of the oil outlet nozzle (1 a).
3. The fuel pump of claim 1 wherein said static charge concentration is prevented by: connecting piece (6) are provided with the lower extreme that every connection mouth (5) corresponds and supply U type round pin male mounting groove (6 c), mounting groove (6 c) include two installation strip holes (a), and the middle part of every installation strip hole (a) is provided with boss (b) that extend from top to bottom, and the upper and lower both ends of boss (b) all are connected through the inclined plane with connecting piece (6).
4. The fuel pump of claim 1 wherein said static charge concentration is prevented by: the top surface of the filter (2) is lower than the top surface of the oil pool (3) after the filter (2) is installed.
5. The fuel pump of claim 1 wherein said static charge concentration is prevented by: the one end of connecting piece (6) is provided with and is used for drawing the penetrating glib talker (8) that penetrates the subassembly and provide the penetrating oil for the distal end, draw penetrating glib talker (8) and go out through setting up second connecting hole (6 d) intercommunication in connecting piece (6) between glib talker (1 a), the distal end draws penetrating the subassembly and includes vertical distal end drawing fixed block (9) that sets up on oil bath (3) inner wall, be provided with in the distal end drawing fixed block (9) with communicating distal end play oil extension hole (9 a) in oil bath (3), the upper end cartridge that the distal end goes out oil extension hole (9 a) has distal end to draw penetrating piece (10), the interval is provided with distal end siphon hole (10 a) and distal end (10 b) up about on the distal end draws penetrating piece (10), be provided with distal end oil outlet hole (10 c) down on the distal end draws penetrating piece (10), and the axis coincidence of distal end oil outlet hole (10 c) and distal end drawing hole (10 b) and distal end draw penetrating the far end to penetrate the hole (10 b), the axis line coincidence of 10 c) and the distal end draw penetrating hole (10 b) between the distal end and the distal end draw penetrating the distal end and set up through drawing the distal end and draw penetrating the remote end (10 b) and the remote end and draw the connection hole (10 a) and set up the remote end and connect the remote end (10 a) and set up the remote end connection hole (10 b) and connect the remote end (10 a) and the remote end 10 b) and set up the remote end connection hole (10 a) and connect the remote end connection hole (10) and the remote end (10 b), the far-end injection joint (12) is connected with the injection oil nozzle (8) through a far-end injection oil pipe (13).
6. The fuel pump of claim 5 wherein said static charge concentration is prevented by: a filter screen (13) is arranged in the far-end injection joint (12), and the diameter of a filter hole of the filter screen (13) is not larger than that of the elongated hole (10 d).
7. The fuel pump of claim 1 wherein said static charge concentration is prevented by: filter (2) side is vertical to be provided with oil pipe oil outlet (2 a) with the inside intercommunication of filter (2), the lower extreme joint of oil pipe oil outlet (2 a) has and advances oil nipple (15) with communicating voltage regulator (14), install in oil sump (3) lower extreme outside voltage regulator (14), the play oil direction of voltage regulator (14) sets up in oil sump (3), be provided with on the joint of voltage regulator (14) and be located the oil sump outside and be used for deriving voltage regulator electrostatic terminal (15) of static in voltage regulator (14).
8. The fuel pump of claim 7 wherein said static charge concentration is prevented by: the oil injection device is characterized in that a horizontal oil injection nozzle (16) is arranged at the oil outlet end of the pressure regulator (14), a horizontal injection nozzle (17) is arranged at the other end of the oil injection nozzle (16), the injection nozzle (17) comprises an injection large section (17 a) and an injection small section (17 b), the oil injection nozzle (16) is inserted into the injection large section (17 a) of the injection nozzle (17), the oil injection nozzle (16) and the injection nozzle (17) are arranged in a horizontal near-end connecting hole (3 a) at the bottom of the oil sump (3), one end, far away from the injection nozzle (17), of the near-end connecting hole (3 a) is communicated with a vertically-arranged near-end oil outlet hole (3 b), the upper end of the near-end oil outlet hole (3 b) is communicated with the oil sump (3), the near-end connecting hole (3 a) is communicated with a vertically-arranged near-end connecting hole (3 c) at the position close to the other end of the injection nozzle (17), and the lower end of the siphon-end oil outlet hole (3 c) is communicated with the oil tank.
9. The fuel pump of claim 8 which is resistant to static buildup, wherein: the injection small section (17 b) is radially provided with a pressure relief hole (17 c) communicated with the injection small section (17 b), a pressure relief via hole (18) communicated with the oil pool (3) is formed right above the pressure relief hole (17 c), the pressure relief via hole (18) comprises a pressure relief cavity (18 b) at the upper end and a pressure relief oil inlet (18 a) at the lower end, the diameter of the pressure relief cavity (18 b) is larger than that of the pressure relief oil inlet (18 a), a pressure relief assembly is arranged in the pressure relief cavity (18 b), the pressure relief assembly comprises a pressure relief valve core (19), the lower end of the pressure relief valve core (19) is abutted to a step of the pressure relief cavity (18 b) and the pressure relief oil inlet (18 a), a pressure relief spring (20) located in the pressure relief cavity (18 b) is arranged at the upper end of the pressure relief valve core (19), a plug (21) used for abutting to the upper end of the pressure relief spring (20) is fixedly arranged at the upper end of the pressure relief cavity (18 b), and a position close to the upper end of the pressure relief cavity (18 b) is radially arranged.
10. The fuel pump of claim 8 wherein said static charge concentration is prevented by: the upper end of the near-end oil outlet hole (3 b) is provided with an oil baffle cover (22) which is clamped on the oil pool (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211072864.5A CN115288897A (en) | 2022-09-02 | 2022-09-02 | Prevent concentrated fuel pump of static |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211072864.5A CN115288897A (en) | 2022-09-02 | 2022-09-02 | Prevent concentrated fuel pump of static |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115288897A true CN115288897A (en) | 2022-11-04 |
Family
ID=83833007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211072864.5A Pending CN115288897A (en) | 2022-09-02 | 2022-09-02 | Prevent concentrated fuel pump of static |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115288897A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080295808A1 (en) * | 2007-06-01 | 2008-12-04 | Aisan Kogyo Kabushiki Kaisha | Fuel supply apparatus |
| CN106246425A (en) * | 2016-08-30 | 2016-12-21 | 重庆万力联兴实业(集团)有限公司 | For pressing tune device, jet pump and the easily changeable adaptor of Stud connection |
| CN206903792U (en) * | 2017-03-29 | 2018-01-19 | 广州竞标新能源汽车部件股份有限公司 | A kind of fuel pump injection mechanism |
| CN208996853U (en) * | 2018-11-07 | 2019-06-18 | 汇润电气有限公司 | A kind of fuel tank, fuel oil pump assembly and its fuel filter |
| CN209041003U (en) * | 2018-11-07 | 2019-06-28 | 汇润电气有限公司 | A kind of filter |
| CN110469438A (en) * | 2019-09-24 | 2019-11-19 | 江西大乘汽车工业有限公司 | A kind of electric fuel pump assembly structure |
| CN113482819A (en) * | 2021-08-18 | 2021-10-08 | 重庆万力联兴实业(集团)有限公司 | Fuel pump assembly with near-far end injection |
| CN217841869U (en) * | 2022-09-02 | 2022-11-18 | 重庆万力联兴实业(集团)有限公司 | Novel filter |
-
2022
- 2022-09-02 CN CN202211072864.5A patent/CN115288897A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080295808A1 (en) * | 2007-06-01 | 2008-12-04 | Aisan Kogyo Kabushiki Kaisha | Fuel supply apparatus |
| CN106246425A (en) * | 2016-08-30 | 2016-12-21 | 重庆万力联兴实业(集团)有限公司 | For pressing tune device, jet pump and the easily changeable adaptor of Stud connection |
| CN206903792U (en) * | 2017-03-29 | 2018-01-19 | 广州竞标新能源汽车部件股份有限公司 | A kind of fuel pump injection mechanism |
| CN208996853U (en) * | 2018-11-07 | 2019-06-18 | 汇润电气有限公司 | A kind of fuel tank, fuel oil pump assembly and its fuel filter |
| CN209041003U (en) * | 2018-11-07 | 2019-06-28 | 汇润电气有限公司 | A kind of filter |
| CN110469438A (en) * | 2019-09-24 | 2019-11-19 | 江西大乘汽车工业有限公司 | A kind of electric fuel pump assembly structure |
| CN113482819A (en) * | 2021-08-18 | 2021-10-08 | 重庆万力联兴实业(集团)有限公司 | Fuel pump assembly with near-far end injection |
| CN217841869U (en) * | 2022-09-02 | 2022-11-18 | 重庆万力联兴实业(集团)有限公司 | Novel filter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217841869U (en) | Novel filter | |
| CN114557628B (en) | Dust collector | |
| CN115288897A (en) | Prevent concentrated fuel pump of static | |
| CN113482819A (en) | Fuel pump assembly with near-far end injection | |
| CN105626335A (en) | Fuel pump assembly | |
| CN109252993B (en) | Gradient self-adaptive diesel engine oil supply system | |
| CN217976423U (en) | Oil pool integrating remote injection | |
| CN217185900U (en) | Vacuum cleaner | |
| CN109113904B (en) | Diesel oil delivery pump assembly for gradient self-adaptive system | |
| CN209959380U (en) | Put fuel pump down with novel filtering component | |
| CN218669632U (en) | Eliminate filter surface static structure | |
| CN217874370U (en) | Pressure regulator with pressure relief function | |
| CN220267846U (en) | High-pressure brushless fuel pump assembly with novel connection structure | |
| CN112539124A (en) | Automobile-used fuel pump support assembly | |
| CN105673278A (en) | Fuel oil pump assembly | |
| CN220354022U (en) | Water pump end plug and water pump assembly | |
| CN114272657B (en) | Double-filter-paper suction filter | |
| CN217761160U (en) | Compact underneath type fuel pump assembly | |
| CN213744010U (en) | Electronic water pump | |
| CN113790113B (en) | Fuel pump assembly of motor vehicle | |
| CN213460285U (en) | Fuel pump is to plug-in connection | |
| JP4670781B2 (en) | Fuel pump module | |
| CN216407012U (en) | Fuel pump assembly | |
| CN212563503U (en) | Novel shell of oil-water separation filter | |
| CN218740701U (en) | Upper shell structure for suction filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |