CN112065623A - Fuel pump convenient to overhaul - Google Patents

Fuel pump convenient to overhaul Download PDF

Info

Publication number
CN112065623A
CN112065623A CN202010918384.0A CN202010918384A CN112065623A CN 112065623 A CN112065623 A CN 112065623A CN 202010918384 A CN202010918384 A CN 202010918384A CN 112065623 A CN112065623 A CN 112065623A
Authority
CN
China
Prior art keywords
fuel pump
fixing
transparent window
main body
fixedly connected
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.)
Withdrawn
Application number
CN202010918384.0A
Other languages
Chinese (zh)
Inventor
佟艳军
谢亚平
肖泉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hengyang Zhenyang Auto Parts Co ltd
Original Assignee
Hengyang Zhenyang Auto Parts Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hengyang Zhenyang Auto Parts Co ltd filed Critical Hengyang Zhenyang Auto Parts Co ltd
Priority to CN202010918384.0A priority Critical patent/CN112065623A/en
Publication of CN112065623A publication Critical patent/CN112065623A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00Apparatus 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
    • F02M37/04Feeding by means of driven pumps
    • F02M37/045Arrangements for driving rotary positive-displacement pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/02Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/62Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a fuel pump convenient to overhaul, which comprises a fuel pump main body, wherein a mounting plate is arranged at the bottom end of the fuel pump main body, a pump cylinder is arranged at the top end of the mounting plate, an oil inlet and an oil outlet are formed in two sides of the pump cylinder, a pressure adjusting screw is arranged at the top end of the fuel pump main body, a connecting rod is connected to the bottom of the pressure adjusting screw, a spring is sleeved at one end of the connecting rod, a pressure release valve is arranged at the bottom of the spring, a transparent window is formed in the outer surface of the fuel pump main body, connecting frames are arranged on two sides of the transparent window, a fixing device; this fuel pump convenient to overhaul is through setting up pressure adjusting screw for this equipment supplies power and can control, and operation flow is simple and convenient, has reduced the regulation of the pump body, has promoted the life of this equipment when having promoted this equipment work efficiency, through setting up transparent window, when this equipment breaks down, can overhaul convenient and fast by the very first time.

Description

Fuel pump convenient to overhaul
Technical Field
The invention relates to the technical field of fuel pumps, in particular to a fuel pump convenient to overhaul.
Background
Fuel pumps are a term of art in the automotive industry. The fuel injection system is one of basic components of a fuel injection system of an electronic fuel injection automobile, is positioned in a fuel tank of the automobile, a fuel pump works during starting and running of an engine, and if the engine stops and an ignition switch is still in an ON state, a HFM-SFI control module turns off the power supply of the fuel pump so as to avoid accidental ignition. The fuel pump is used for sucking fuel from the fuel tank, pressurizing the fuel and then delivering the fuel to the fuel supply pipe, and the fuel pump is matched with the fuel pressure regulator to establish a certain fuel pressure fuel pump.
The prior art has the following defects or problems:
1. the existing fuel pump is inconvenient to overhaul;
2. when the existing fuel pump fails, the existing fuel pump cannot be overhauled at the first time;
3. the conventional fuel pump is inconvenient in pressure adjustment and complex in operation, and the service life of the fuel pump is shortened.
Disclosure of Invention
The invention aims to provide a fuel pump convenient to overhaul aiming at the defects of the prior art so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: including the fuel pump main part, fuel pump main part bottom is provided with the mounting panel, the mounting panel top is provided with the pump barrel, oil inlet and oil-out have been seted up to the both sides of pump barrel, fuel pump main part top is provided with the valve, the valve bottom is provided with pressure adjusting screw, pressure adjusting screw bottom is connected with the connecting rod, a connecting rod pot head is equipped with the spring, the spring bottom is provided with the pressure release valve, pressure release valve bottom is provided with bypass valve board, bypass valve board bottom is connected with weak spring, transparent window has been seted up to fuel pump main part surface, transparent window both sides are provided with the link, the equal pipe department in each group's link upper end is provided with fixing device, fixing device's one end is located the link bottom and is provided.
As a preferable technical scheme, a plurality of groups of support frames are fixedly arranged in the fuel pump main body, and internal components of the fuel pump main body are placed on the support frames.
As a preferred technical scheme, the bottom end of the interior of the fuel pump main body is fixedly provided with the mounting plate, the upper end of the mounting plate is fixedly connected with the pump cylinder, the pump cylinder comprises an impeller, a rotor and blades, the impeller is fixedly arranged at the center of the interior of the pump cylinder, four groups of blades are arranged on the outer side of the impeller, and the rotor is fixedly connected with the interior of the pump cylinder.
As a preferred technical scheme, the upper end of the fuel pump main body is fixedly connected with a pressure adjusting screw, one end of the pressure adjusting screw penetrating through the fuel pump main body is fixedly connected with a connecting rod, and a spring is sleeved on the connecting rod.
As a preferred technical scheme, the outer surface of the fuel pump main body is provided with a transparent window, two sides of the transparent window are fixedly connected with connecting frames, the connecting frames are clamped with the inner wall of the fuel pump main body, and the transparent window is of a detachable structure.
According to the preferable technical scheme, the fixing devices penetrate through the upper ends of the two groups of connecting frames and comprise nuts, fixing rods, locking grooves and through holes, the nuts are fixedly connected to the tops of the fixing devices, the connecting rods are welded to the tops of the nuts, the locking grooves are chiseled at the upper ends of the fixing rods, the locking grooves are provided with eight groups, and the through holes are formed in one side, far away from the nuts, of one end of each fixing rod.
As a preferred technical scheme, the clamping device comprises a clamping base, fixing and locking rods and rotating grooves, the clamping base is fixedly installed at the bottom end of the clamping device, the fixing and locking rods are arranged at the upper end of the clamping base, and the rotating grooves are chiseled between the fixing and locking rods.
As a preferable technical scheme, the fixing device is internally provided with a fixing rod, one side of one end of the fixing rod, which is far away from the screw cap, is provided with a through hole, the inner diameter of the through hole is consistent with the outer diameter of the fixing rod, and the through hole is matched with the fixing rod.
Compared with the prior art, the invention provides the fuel pump convenient to overhaul, and the fuel pump has the following beneficial effects:
1. according to the fuel pump convenient to overhaul, the supporting frames are arranged, the plurality of groups of supporting frames are fixedly arranged in the fuel pump main body, and internal components of the fuel pump main body are all placed on the supporting frames, so that the internal components of the fuel pump main body are stably placed, and the working efficiency and the service cycle of the fuel pump are improved;
2. according to the fuel pump convenient to overhaul, the pump barrel is arranged, the mounting plate is fixedly mounted at the bottom end inside the fuel pump main body, the pump barrel is fixedly connected to the upper end of the mounting plate, the pump barrel comprises the impeller, the rotor and the blades, the impeller is fixedly mounted at the center position inside the pump barrel, four groups of blades are arranged on the outer side of the impeller, and the rotor is fixedly connected inside the pump barrel, so that the equipment can operate, and meanwhile, the working efficiency is improved;
3. according to the fuel pump convenient to maintain, the pressure adjusting screw is arranged, the upper end of the fuel pump main body is fixedly connected with the pressure adjusting screw, the pressure adjusting screw penetrates through one end of the fuel pump main body and is fixedly connected with the connecting rod, the connecting rod is sleeved with the spring, so that the output power of the fuel pump can be adjusted more conveniently and rapidly, the operation process is simple and convenient, and the service life of the fuel pump is prolonged;
4. according to the fuel pump convenient to overhaul, the transparent window is arranged, the transparent window is formed in the outer surface of the fuel pump main body, the two sides of the transparent window are fixedly connected with the connecting frames, the connecting frames are clamped with the inner wall of the fuel pump main body, the transparent window is of a detachable structure, so that a worker can observe the working state of the fuel pump main body through the window, and overhaul can be completed in the first time when a fault occurs;
5. the fuel pump convenient to overhaul is characterized in that the fixing devices are arranged, the fixing devices are arranged at the upper ends of the two groups of connecting frames in a penetrating mode and comprise nuts, fixing rods, fixing locking grooves and through holes, the nuts are fixedly connected to the tops of the fixing devices, the fixing rods are welded to the tops of the nuts, the fixing locking grooves are chiseled at the upper ends of the fixing rods, eight groups of fixing locking grooves are arranged, the through holes are formed in one sides, away from the nuts, of one ends of the fixing rods, so that the transparent window is connected with the fuel pump body, and the stability of the equipment;
6. according to the fuel pump convenient to overhaul, the clamping device is arranged and comprises the clamping base, the fixing and locking rods and the rotating grooves, the clamping base is fixedly installed at the bottom end of the clamping device, the fixing and locking rods are arranged at the upper end of the clamping base, the rotating grooves are chiseled between the fixing and locking rods, when the transparent window is connected with the fuel pump main body, the clamping device completes clamping, and the transparent window is connected with the fuel pump main body more tightly in a matched mode through the fixing device and is not prone to falling off;
7. this fuel pump convenient to overhaul through setting up through-hole and solid locking lever, the inside dead lever that is provided with of fixing device, and the through-hole has been seted up to one side that the nut was kept away from to dead lever one end, and the through-hole internal diameter is unanimous with solid locking lever external diameter, through-hole and solid locking lever looks adaptation for fixing device is connected more firmly with latch device.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a schematic view of a transparent window according to the present invention;
FIG. 4 is a schematic view of a fixing device according to the present invention;
FIG. 5 is a schematic view of a latch according to the present invention;
FIG. 6 is a top view of the latch of the present invention;
FIG. 7 is a schematic diagram of the internal components of the pump barrel of the present invention.
In the figure: 1. a fuel pump body; 2. mounting a plate; 3. a pump barrel; 31. an impeller; 32. a rotor; 33. a blade; 4. an oil inlet; 5. an oil outlet; 6. a valve; 7. a pressure adjustment screw; 8. a connecting rod; 9. a spring; 10. a pressure relief valve; 11. a bypass valve plate; 12. a weak spring; 13. a transparent window; 131. a connecting frame; 14. a fixing device; 141. a nut; 142. fixing the rod; 143. fixing a locking groove; 144. a through hole; 15. a clamping device; 151. clamping the base; 152. a lock fixing rod; 153. the groove is rotated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, in this embodiment: including fuel pump main part 1, 1 bottom of fuel pump main part is provided with mounting panel 2, 2 tops of mounting panel are provided with pump barrel 3, oil inlet 4 and oil-out 5 have been seted up to the both sides of pump barrel 3, 1 top of fuel pump main part is provided with valve 6, 6 bottoms of valve are provided with pressure adjusting screw 7, pressure adjusting screw 7 bottom is connected with connecting rod 8, 8 pot heads of connecting rod are equipped with spring 9, spring 9 bottom is provided with pressure release valve 10, pressure release valve 10 bottom is provided with bypass valve board 11, 11 bottoms of bypass valve board are connected with weak spring 12, transparent window 13 has been seted up to 1 surface of fuel pump main part, transparent window 13 both sides are provided with link 131, equal pipe department in each group link 131 upper end is provided with fixing device 14, the one end of fixing device 14 is located the.
In the embodiment, a plurality of groups of supporting frames are fixedly arranged in the fuel pump main body 1, and internal components of the fuel pump main body 1 are all placed on the supporting frames, so that the internal components of the fuel pump main body 1 are stably placed, and the working efficiency and the service cycle of the equipment are improved; the mounting plate 2 is fixedly mounted at the bottom end inside the fuel pump main body 1, the pump barrel 3 is fixedly connected to the upper end of the mounting plate 2, the pump barrel 3 comprises an impeller 31, a rotor 32 and blades 33, the impeller 31 is fixedly mounted at the center position inside the pump barrel 3, four groups of blades 32 are arranged outside the impeller 31, and the rotor 33 is fixedly connected inside the pump barrel 3, so that the equipment can operate and the working efficiency is improved; the upper end of the fuel pump main body 1 is fixedly connected with a pressure adjusting screw 7, one end of the pressure adjusting screw 7 penetrating through the fuel pump main body 1 is fixedly connected with a connecting rod 8, and a spring 9 is sleeved on the connecting rod 8, so that the output power of the equipment can be adjusted more conveniently and rapidly, the operation process is simple and convenient, and the service life of the equipment is prolonged; the outer surface of the fuel pump main body 1 is provided with a transparent window 13, both sides of the transparent window 13 are fixedly connected with connecting frames 131, the connecting frames 131 are clamped on the inner wall of the fuel pump main body 1, the transparent window 13 is of a detachable structure, the detachable structure enables workers to observe the working state inside the transparent window, and the maintenance can be completed in the first time when a fault occurs; the fixing devices 14 are arranged at the upper ends of the two groups of connecting frames 131 in a penetrating mode, each fixing device 14 comprises a nut 141, a fixing rod 142, a locking groove 143 and a through hole 144, the nut 141 is fixedly connected to the top of each fixing device 14, the fixing rod 142 is welded to the top of each nut 141, the locking grooves 143 are chiseled at the upper ends of the fixing rods 142, eight groups of locking grooves 143 are arranged, the through holes 144 are formed in one side, far away from the nuts 141, of one end of each fixing rod 142, so that the transparent window 13 is connected with the fuel pump body 1, and the stability; the clamping device 15 comprises a clamping base 151, fixing and locking rods 152 and rotating grooves 153, the clamping base 151 is fixedly installed at the bottom end of the clamping device 15, the fixing and locking rods 152 are arranged at the upper end of the clamping base 151, the rotating grooves 153 are chiseled between the fixing and locking rods 152, when the transparent window 13 is connected with the fuel pump main body 1, the clamping device 15 completes clamping, and the transparent window 13 is matched with the fixing device 14 to be connected with the fuel pump main body 1 more tightly and not easy to fall off; the fixing rod 142 is arranged inside the fixing device 14, a through hole 144 is formed in one side, away from the nut 141, of one end of the fixing rod 142, the inner diameter of the through hole 144 is consistent with the outer diameter of the fixing and locking rod 152, and the through hole 144 is matched with the fixing and locking rod 152, so that the fixing device 15 is connected with the clamping device 14 more stably.
The working principle and the using process of the invention are as follows: firstly, the equipment is connected with an external circuit, stable power is improved, fuel oil is guided into the equipment through an oil inlet 4, a valve 6 is screwed to drive a pressure adjusting screw 7 to rotate, meanwhile, a connecting rod 8 is driven to rotate, a compression spring 9 and a weak spring 12 are used for increasing pressure, the valve 6 is screwed to rotate reversely in the same way, pressure can be reduced, abnormality occurs during operation of the equipment, the operation state in the equipment can be observed through a transparent window 13, if a fault occurs, a fixing rod 142 is rotated by screwing a nut 141, so that a fixing rod 152 in a fixing locking groove 143 is separated, a fixing device 14 is taken out, the transparent window 13 is disassembled, the first-time maintenance is completed on internal components of the equipment, the equipment is convenient and fast, and in the same way, when the equipment needs to be installed, because a through hole 144 is matched with the fixing rod 152, the fixing rod 152 can be inserted into the fixing rod 142, the, the locking groove 143 is connected to the locking rod 152 so that the transparent window 13 is engaged with the fuel pump body 1.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a fuel pump convenient to overhaul which characterized in that: the oil-gas separation type fuel pump comprises a fuel pump body (1), wherein a mounting plate (2) is arranged at the bottom end of the fuel pump body (1), a pump barrel (3) is arranged at the top end of the mounting plate (2), an oil inlet (4) and an oil outlet (5) are formed in two sides of the pump barrel (3), a valve (6) is arranged at the top end of the fuel pump body (1), a pressure adjusting screw (7) is arranged at the bottom end of the valve (6), a connecting rod (8) is connected to the bottom of the pressure adjusting screw (7), a spring (9) is sleeved at one end of the connecting rod (8), a pressure releasing valve (10) is arranged at the bottom of the spring (9), a bypass valve plate (11) is arranged at the bottom of the pressure releasing valve (10), a weak spring (12) is connected to the bottom of the bypass valve plate (11), a transparent window (, the pipe department is provided with fixing device (14) all to each group link (131) upper end, the one end of fixing device (14) is located link (131) bottom and is provided with latch device (15).
2. An easy to service fuel pump as claimed in claim 1, wherein: a plurality of groups of supporting frames are fixedly installed inside the fuel pump main body (1), and internal components of the fuel pump main body (1) are placed on the supporting frames.
3. An easy to service fuel pump as claimed in claim 1, wherein: the fuel pump is characterized in that the mounting plate (2) is fixedly mounted at the inner bottom end of the fuel pump body (1), the pump cylinder (3) is fixedly connected to the upper end of the mounting plate (2), the pump cylinder (3) comprises an impeller (31), a rotor (32) and blades (33), the impeller (31) is fixedly mounted at the inner center of the pump cylinder (3), four groups of blades (33) are arranged on the outer side of the impeller (31), and the rotor (32) is fixedly connected to the inner portion of the pump cylinder (3).
4. An easy to service fuel pump as claimed in claim 1, wherein: the fuel pump is characterized in that a pressure adjusting screw (7) is fixedly connected to the upper end of the fuel pump body (1), the pressure adjusting screw (7) penetrates through one end of a connecting rod (8) fixedly connected to the upper end of the fuel pump body (1), and a spring (9) is sleeved on the connecting rod (8).
5. An easy to service fuel pump as claimed in claim 1, wherein: transparent window (13) have been seted up to fuel pump main part (1) surface, the equal fixedly connected with link (131) in transparent window (13) both sides, link (131) joint and fuel pump main part (1) inner wall, transparent window (13) are detachable structure.
6. An easy to service fuel pump as claimed in claim 1, wherein: two sets of link (131) upper ends all run through and are provided with fixing device (14), fixing device (14) include nut (141), dead lever (142), solid locked groove (143) and through-hole (144), fixing device (14) top fixedly connected with nut (141), nut (141) top welding has dead lever (142), dead lever (142) upper end chisel is equipped with solid locked groove (143), gu locked groove (143) is provided with eight groups, through-hole (144) have been seted up to one side that nut (141) was kept away from to dead lever (142) one end.
7. An easy to service fuel pump as claimed in claim 1, wherein: clamping device (15) include joint base (151), solid locking lever (152) and rotate groove (153), clamping device (15) bottom fixed mounting has joint base (151), joint base (151) upper end is provided with solid locking lever (152), all chisel between each group's solid locking lever (152) and be equipped with rotation groove (153).
8. An easy to service fuel pump as claimed in claim 1, wherein: the fixing device (14) is internally provided with a fixing rod (142), one side, far away from the nut (141), of one end of the fixing rod (142) is provided with a through hole (144), the inner diameter of the through hole (144) is consistent with the outer diameter of the fixing rod (152), and the through hole (144) is matched with the fixing rod (152).
CN202010918384.0A 2020-09-04 2020-09-04 Fuel pump convenient to overhaul Withdrawn CN112065623A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010918384.0A CN112065623A (en) 2020-09-04 2020-09-04 Fuel pump convenient to overhaul

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010918384.0A CN112065623A (en) 2020-09-04 2020-09-04 Fuel pump convenient to overhaul

Publications (1)

Publication Number Publication Date
CN112065623A true CN112065623A (en) 2020-12-11

Family

ID=73666413

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010918384.0A Withdrawn CN112065623A (en) 2020-09-04 2020-09-04 Fuel pump convenient to overhaul

Country Status (1)

Country Link
CN (1) CN112065623A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202673765U (en) * 2012-06-21 2013-01-16 重庆万力联兴实业(集团)有限公司 Impeller for fuel pump
CN204755288U (en) * 2015-05-29 2015-11-11 马鞍山当涂发电有限公司 Take vertical oil pump of window
DE102018212819A1 (en) * 2017-08-04 2019-02-07 Robert Bosch Gmbh Fuel vane pump

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202673765U (en) * 2012-06-21 2013-01-16 重庆万力联兴实业(集团)有限公司 Impeller for fuel pump
CN204755288U (en) * 2015-05-29 2015-11-11 马鞍山当涂发电有限公司 Take vertical oil pump of window
DE102018212819A1 (en) * 2017-08-04 2019-02-07 Robert Bosch Gmbh Fuel vane pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
郝劲松 刘峰: "《活塞发动机飞机结构与系统(第2版)》", 31 December 2015 *

Similar Documents

Publication Publication Date Title
CN108284966A (en) A kind of small aero hydraulic pressure assembly vehicle frame
CN112065623A (en) Fuel pump convenient to overhaul
CN215200540U (en) Press fitting tool for turbocharger shell bushing
CN214944930U (en) Stable-working and efficient hydraulic pump
KR200465215Y1 (en) tool for assemble and disassemble of LNG pump bearing and impeller
CN208289798U (en) A kind of shaft coupling straight pin tool special for dismounting
CN215037078U (en) Portable oxygen cylinder assembly fixture
CN220059899U (en) Air compressor driven by multiple screws
CN206263805U (en) A kind of torque clamp for crankshaft-link rod production
CN219865298U (en) Aluminum shell gasoline filter
CN217276874U (en) Hedge trimmer loading debugging device
CN216554658U (en) L-shaped supercharging device for hydraulic system
CN212976642U (en) Casting device for turbine production
CN2643021Y (en) Radial position adjustable through-piston rod guiding support device
CN219840840U (en) Positioning device for submersible pump for well
CN220378475U (en) Screw air compressor with anti-collision function
CN210343561U (en) High-efficient oil supply integrated type electric injection pump assembly
CN220621313U (en) Folding steel pipe pole
CN210343054U (en) Pneumatic outer pendulum driving pump body
CN220929490U (en) Turbine frame support bracket of gas turbine
CN219932551U (en) Blower box convenient to dismouting
CN216656419U (en) Boring cylinder device for reprocessing of convex machine
CN212020575U (en) A frock clamp for steam turbine part rapid Assembly
CN216975052U (en) Main bearing cap dismounting structure
CN216009072U (en) Hydraulic control one-way valve for hydraulic system

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
WW01 Invention patent application withdrawn after publication

Application publication date: 20201211

WW01 Invention patent application withdrawn after publication