CN102330675A - Portable electric fuel pump - Google Patents
Portable electric fuel pump Download PDFInfo
- Publication number
- CN102330675A CN102330675A CN201110257628A CN201110257628A CN102330675A CN 102330675 A CN102330675 A CN 102330675A CN 201110257628 A CN201110257628 A CN 201110257628A CN 201110257628 A CN201110257628 A CN 201110257628A CN 102330675 A CN102330675 A CN 102330675A
- Authority
- CN
- China
- Prior art keywords
- pump
- motor
- main shaft
- electric fuel
- oil
- 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
Images
Abstract
The invention discloses a portable electric fuel pump which comprises a pump body, a motor and a pump core connected with the motor, wherein the side surface of the motor is symmetrically provided with an oil inlet and an oil outlet, the oil outlet is internally provided with a pressure-limiting valve for relieving pressure when the pressure in the pump exceeds a preset value; a main shaft through which the motor is connected with the pump core is movably connected with the pump body through a framework oil seal in a sealing manner, the tail part of the motor is provided with a top cover assembly, the top cover assembly is internally provided with an overcurrent protection device; and the circumference of the pump core is provided with uniformly-distributed grooves, blades are arranged in the grooves, the center of the pump core is provided with a shaft hole used for connecting the main shaft, and a key groove is arranged on the shaft hole. According to the fuel pump disclosed by the invention, due to pressure-limiting and motor overcurrent protection functions, the electric fuel pump works more stably, the service life of the pump core and the motor is prolonged; and an optimized structure is adopted in the pump core made of a stainless steel material, thus the electric fuel pump is more durable, is not easy to generate deformation, and has higher oil pumping efficiency.
Description
Technical field
The present invention relates to a kind of portable electric fuel pump, particularly a kind of electric fuel punp that is used for the portable high safety performance of engineering truck field work.
Background technique
During engineering vehicle field work; Often run into the situation of oil-break; Therefore just need a kind of being easy to carry, and the electric fuel punp of easy-to-operat, the fuel that is stored in the oil drum is drawn in the fuel tank of vehicle; What use mostly now is the electric oil pressure pump that is connected to 12V or 24V direct current motor, can be directly installed on above the engineering truck.
Mainly there is the situation of no pressure limiting valve arrangement in present electric fuel punp, has caused in use when oil outlet is closed, and the pressure in the pump housing raises and causes motor load excessive; Damage motor easily; The phenomenon that also possibly cause oil sealing to leak, and use the plastic pump core to cause wearing and tearing and distortion easily for a long time, influence the whole using effect of fuel pump; Most importantly overall structure does not dispose overcurrent protective device; Oil pump is in when work, if fault, might cause electric current excessive and directly damage motor.
Summary of the invention
In order to overcome the deficiency of existing technology, the invention provides the electric fuel oil pump structure of a kind of pressure limiting, overcurrent protection, high efficiency, energy-conserving and environment-protective.
The technological scheme that technical solution problem of the present invention is adopted is:
A kind of portable electric fuel pump comprises the pump housing, motor and the pump core that is connected with motor; Said pump housing bottom is fixed with support, and the top is equipped with the encapsulate handle, and the side is symmetrically installed with into and out of hydraulic fluid port; The front is equipped with the end cap of the said pump housing of sealing, and the pressure-limit valve that when the pump internal pressure exceeds predetermined value, carries out pressure release is installed in the said oil outlet, and the main shaft that said motor is connected with the pump core flexibly connects through outside framework oil seal and the sealing of the said pump housing; The motor afterbody is equipped with cap assembly, is provided with overcurrent protective device in the said cap assembly, and outer installment has the one pole water proof switch; The circumference of said pump core is provided with equally distributed groove; In the said groove blade is installed, said pump core center is provided with the axis hole that is used to connect said main shaft, and said axis hole is provided with keyway;
As the technological improvement of such scheme, said pump core is a stainless steel;
Preferred as technique scheme, said outside framework oil seal is a lips type outside framework oil seal;
As the improvement of technique scheme, the motor seal circle is installed between said motor and the cap assembly;
As the improvement of technique scheme, the main shaft of said motor is provided with corresponding main shaft keyway, and said pump core and main shaft are fixed together through the fixture block that is inserted in said keyway and the main shaft keyway;
As the improvement of technique scheme, said overcurrent protective device comprises the overcurrent protection socket, is provided with the copper card plug that is used for put in circuit in the said overcurrent protection socket, is inserted with overcurrent protector on the said copper card plug.
The invention has the beneficial effects as follows: through the pressure-limit valve device is set, make oil pump under the situation that pressure increases suddenly, can play protection motor and the effect that prevents that oil sealing from leaking; Adopt the equally distributed pump cored structure of groove can make that also the efficient of pump oil is higher, the pump core of stainless steel is also more durable, and is not yielding; Through inserting overcurrent protective device, make the work of whole electric fuel oil pump-unit safer, avoided excessive or voltage instability to cause the damage of motor or oil pump because of electric current.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Fig. 1 is the decomposing schematic representation of electric fuel punp;
Fig. 2 is the scheme of installation of overcurrent protective device;
Fig. 3 is the structural representation of pump core.
Embodiment
As shown in Figure 1; The present invention proposes a kind of electric fuel oil pump structure, comprise the pump housing 1, motor 2 and the pump core 3 that is connected with motor 2; The said pump housing 1 bottom is fixed with support 11; The top is equipped with encapsulate handle 12, and the side is symmetrically installed with into and out of hydraulic fluid port 13,14, and the front is equipped with the end cap 35 of the said pump housing 1 of sealing.Wherein, The pressure-limit valve 15 that when the pump internal pressure exceeds predetermined value, carries out pressure release is installed in the oil outlet 14; Said pressure-limit valve 15 can cut out at oil outlet 14, under the situation that the oil pump internal pressure increases, and the pressure in the venting oil pump oil outlet; Protected motor and prolonged working life of oil pump, and prevented that oil sealing from causing the phenomenon of leakage of oil to take place because of pressure is excessive.
The pump housing 1 filler opening 13 is equipped with the end socket 19 that is used to seal from outside to inside successively; Locking 3/4 " the larynx hoop 18 of copper sleeve 17, the wherein 3/4 " other end of copper sleeve 17 compresses to link together through joint O RunddichtringO 15 and the top spring 151 and the pump housing 1 and realizes being tightly connected.Accordingly, the pump housing 1 oil outlet 14 removes end socket 19,3/4 is installed " copper sleeve 17; and lock 3/4 " and outside the larynx hoop 18 of copper sleeve 17, top spring 151 and pressure-limit valve 15 are installed also, thus the function of realization pressure release; When preventing to close because of oil outlet 14; The pump internal pressure raises and causes motor 2 loads to increase, and damage motor, and the phenomenon that can avoid oil sealing to reveal takes place.
In addition, main shaft that motor 2 is connected with pump core 3 21 flexibly connects through outside framework oil seal 22 and the pump housing 1 sealing, adopts the lips outside framework oil seal in the present embodiment, can better prevent that pump core 3 from taking oil plant and play out of the dust-tight effect in movement process.Motor 2 afterbodys are equipped with cap assembly 4, are provided with overcurrent protective device 41 in the said cap assembly 4.
In the present embodiment, between cap assembly 4 and the motor 2 motor seal circle 23 is installed, has improved the sealability of motor, one pole water proof switch 42 is housed on the cap assembly 4, be used for controlling the startup of motor and stopping.
As shown in Figure 2, said overcurrent protective device 41 comprises overcurrent protection socket 411, is provided with the copper card plug 412 that is used for put in circuit in the said overcurrent protection socket 411, is inserted with overcurrent protector 413 on the said copper card plug 412.In installation process; The first step is at first taken out the flat Patch cable terminal of original band line in the overcurrent protection socket 411, is inserted into two copper card plugs 412 in the overcurrent protector socket 411 again; The screens of copper card plug 412 must snap in the slot during insertion; Then overcurrent protector 413 is received in the copper card plug 412 of overcurrent protection socket 411, must be guaranteed that contact is good, at last the lid of overcurrent protector socket 411 is built; Second step; The tenminal block of motor 2 red line is received in the one pole water proof switch 42 another terminal with the power line terminal homonymy; Whether connect the back gently draws power line to be connected firmly with inspection with have gentle hands; Again the black line of motor 2 is received overcurrent protector socket 411, another tenminal block place, after the connection equally with have gentle hands draw power line with the inspection whether be connected firmly.
Like Fig. 3, the material of said in the present embodiment pump core 3 is a stainless steel, can reduce the wearing and tearing of oil pump in the long-term work process like this, increases the rigidity of pump core, has guaranteed the efficient of pump oil; The circumference of pump core 3 is provided with equally distributed groove 31, in the said groove 31 blade 32 is installed; Pump core 3 centers are provided with the axis hole 33 that is used to connect said main shaft 21; Axis hole 33 is provided with keyway 331; Accordingly, the main shaft 21 of motor 2 is provided with the main shaft keyway 211 of corresponding keyway 331, and pump core 3 is fixedly connected with main shaft keyway 211 interior fixture blocks 34 through being inserted in keyway 331 with main shaft 21.When motor 2 proper functioning, main shaft 21 rotates, and the blade 32 that drives on the pump core 3 rotates together, and blade 32 then can drive fuel oil when rotating and in pump, flow, thereby makes the effect that realizes pump oil.
The above is the preferred embodiment of the present invention, and it does not constitute the restriction to protection domain of the present invention, so long as realize that with essentially identical means the object of the invention all should belong to protection scope of the present invention.
Claims (6)
1. portable electric fuel pump; Comprise the pump housing (1), motor (2) and the pump core (3) that is connected with motor (2) is characterized in that: the said pump housing (1) bottom is fixed with support (11); The top is equipped with encapsulate handle (12); The side is symmetrically installed with into and out of hydraulic fluid port (13,14), and the front is equipped with the end cap (35) of the said pump housing of sealing (1), and the pressure-limit valve (15) that when the pump internal pressure exceeds predetermined value, carries out pressure release is installed in the said oil outlet (14); The main shaft (21) that said motor (2) is connected with pump core (3) flexibly connects through outside framework oil seal (22) and the said pump housing (1) sealing; Motor (2) afterbody is equipped with cap assembly (4), is provided with overcurrent protective device (41) in the said cap assembly (4), and outer installment has one pole water proof switch (42); The circumference of said pump core (3) is provided with equally distributed groove (31); Blade (32) is installed in the said groove (31), and said pump core (3) center is provided with the axis hole (33) that is used to connect said main shaft (21), and said axis hole (33) is provided with keyway (331).
2. a kind of electric fuel oil pump structure according to claim 1 is characterized in that: said pump core (3) is a stainless steel.
3. a kind of electronic fuel pump structure according to claim 1 is characterized in that: said outside framework oil seal (22) is a lips type outside framework oil seal.
4. according to the described a kind of electric fuel oil pump structure of claim 1, it is characterized in that: between said motor (2) and the cap assembly (4) motor seal circle (23) is installed.
5. a kind of electric fuel oil oil pump structure according to claim 1; It is characterized in that: the main shaft (21) of said motor (2) is provided with corresponding main shaft keyway (211), and said pump core (3) is fixed together through the fixture block (34) that is inserted in said keyway (331) and the main shaft keyway (211) with main shaft (21).
6. a kind of electric fuel oil pump structure according to claim 1; It is characterized in that: said overcurrent protective device (41) comprises overcurrent protection socket (411); Be provided with the copper card plug (412) that is used for put in circuit in the said overcurrent protection socket (411), be inserted with overcurrent protector (413) on the said copper card plug (412).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110257628A CN102330675A (en) | 2011-09-02 | 2011-09-02 | Portable electric fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110257628A CN102330675A (en) | 2011-09-02 | 2011-09-02 | Portable electric fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102330675A true CN102330675A (en) | 2012-01-25 |
Family
ID=45482579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110257628A Pending CN102330675A (en) | 2011-09-02 | 2011-09-02 | Portable electric fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102330675A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661222A (en) * | 2012-06-04 | 2012-09-12 | 韩金红 | External horizontal-type fuel pump oil outlet tray, manufacturing process and impeller matched with oil outlet tray |
| CN102661221A (en) * | 2012-06-04 | 2012-09-12 | 韩金红 | External horizontal-type fuel pump oil outlet tray assembly and manufacturing process thereof |
| CN105937454A (en) * | 2015-03-06 | 2016-09-14 | 罗伯特·博世有限公司 | Method of performing damage identification in fuel pump |
| CN106122187A (en) * | 2016-08-30 | 2016-11-16 | 瑞安市盛鼎汽车零部件有限公司 | The electric performance device of hydraulic oil pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1578009A (en) * | 1978-05-25 | 1980-10-29 | Dobson Park Ind | Portable hand-held hydraulic tool |
| CN2053687U (en) * | 1988-12-06 | 1990-02-28 | 漷映瑜 | Portable oil pump |
| US20030160525A1 (en) * | 2002-02-28 | 2003-08-28 | Kimberlin Robert R. | Motor pump with balanced motor rotor |
| CN200971860Y (en) * | 2006-10-19 | 2007-11-07 | 岑建力 | Portable electric oil-well pump |
| CN201771655U (en) * | 2010-08-20 | 2011-03-23 | 台州汇正汽车电机有限公司 | Electronic brushless fuel pump for automobile |
| US20110076168A1 (en) * | 2009-03-24 | 2011-03-31 | Itt Manufacturing Enterprises, Inc | Portable inline pump kit |
| CN202250824U (en) * | 2011-09-02 | 2012-05-30 | 江门麦加道机电厂有限公司 | Portable power-driven fuel pump |
-
2011
- 2011-09-02 CN CN201110257628A patent/CN102330675A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1578009A (en) * | 1978-05-25 | 1980-10-29 | Dobson Park Ind | Portable hand-held hydraulic tool |
| CN2053687U (en) * | 1988-12-06 | 1990-02-28 | 漷映瑜 | Portable oil pump |
| US20030160525A1 (en) * | 2002-02-28 | 2003-08-28 | Kimberlin Robert R. | Motor pump with balanced motor rotor |
| CN200971860Y (en) * | 2006-10-19 | 2007-11-07 | 岑建力 | Portable electric oil-well pump |
| US20110076168A1 (en) * | 2009-03-24 | 2011-03-31 | Itt Manufacturing Enterprises, Inc | Portable inline pump kit |
| CN201771655U (en) * | 2010-08-20 | 2011-03-23 | 台州汇正汽车电机有限公司 | Electronic brushless fuel pump for automobile |
| CN202250824U (en) * | 2011-09-02 | 2012-05-30 | 江门麦加道机电厂有限公司 | Portable power-driven fuel pump |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661222A (en) * | 2012-06-04 | 2012-09-12 | 韩金红 | External horizontal-type fuel pump oil outlet tray, manufacturing process and impeller matched with oil outlet tray |
| CN102661221A (en) * | 2012-06-04 | 2012-09-12 | 韩金红 | External horizontal-type fuel pump oil outlet tray assembly and manufacturing process thereof |
| CN105937454A (en) * | 2015-03-06 | 2016-09-14 | 罗伯特·博世有限公司 | Method of performing damage identification in fuel pump |
| CN106122187A (en) * | 2016-08-30 | 2016-11-16 | 瑞安市盛鼎汽车零部件有限公司 | The electric performance device of hydraulic oil pump |
| CN106122187B (en) * | 2016-08-30 | 2018-02-09 | 瑞安市盛鼎汽车零部件有限公司 | The electric performance device of hydraulic oil pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101936302B (en) | Cable dry-type line-outgoing device of electric diving pump | |
| CN102330675A (en) | Portable electric fuel pump | |
| CN202250824U (en) | Portable power-driven fuel pump | |
| CN202851388U (en) | Flame-proof type submersible sand-draining electric pump for mining | |
| CN209709820U (en) | A kind of motor with water-proof function spliced shell | |
| CN203984137U (en) | Waterproof machine on a kind of immersible pump | |
| CN201041963Y (en) | An oil leakage prevention structure for vertical electromotor | |
| CN109444632A (en) | A kind of motor for preventing electric leakage alarm device | |
| CN201610859U (en) | Sealing device for oil-immersed diving pump shaft | |
| CN204941988U (en) | A kind of direct acting delta-connection sewage pump | |
| CN203412779U (en) | Direct-current electric petrol pump reaching protection grade of IP66 | |
| CN203032622U (en) | Water-proof cover of wiper motor of automobile | |
| CN205401182U (en) | Silicon oil fan clutch with reserve fan | |
| CN202510385U (en) | Magnetic transmission fan | |
| CN202117943U (en) | Small submersible seepage pump with novel sealing structure and wiring mode | |
| CN201928113U (en) | Sealing end-cover structure for high-efficiency motor | |
| CN205583880U (en) | Motor tank filler sleeve seals annex | |
| CN206625985U (en) | A kind of high reliability proof submersible sand discharging pump | |
| CN204407617U (en) | There is the industrial connector of anti-extraction function | |
| CN204099221U (en) | A kind of horizontal diesel power Pump for well group | |
| CN220770305U (en) | Safety manual control valve assembly | |
| CN216922582U (en) | A novel manger plate axle sleeve for pump shaft installation | |
| CN215300343U (en) | Permanent magnet motor capable of changing oil underwater | |
| CN203883591U (en) | Protective structure of motor | |
| CN2465379Y (en) | Water-proof motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120125 |