CN209468120U - Fuel loading system - Google Patents
Fuel loading system Download PDFInfo
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- CN209468120U CN209468120U CN201920111269.5U CN201920111269U CN209468120U CN 209468120 U CN209468120 U CN 209468120U CN 201920111269 U CN201920111269 U CN 201920111269U CN 209468120 U CN209468120 U CN 209468120U
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- fuel
- oil
- pump chamber
- pump
- switch valve
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Abstract
The utility model provides a kind of fuel loading system, comprising: oil drum is stored with fuel oil；Refueling nozzle passes through the first oil circuit and the second oil circuit connection to the oil drum；Main pump is set on first oil circuit；Micropump is set on second oil circuit；First switch valve is set on first oil circuit；Second switch valve is set on second oil circuit；Early period during fuel tank fuel up of from the refueling nozzle to vehicle, the first switch valve are opened, and the second switch valve is closed, so that the main pump is the refueling nozzle fuel feeding；Later period during fuel tank fuel up of from the refueling nozzle to vehicle, the second switch valve are opened, and the first switch valve is closed, so that the Micropump is the refueling nozzle fuel feeding；The pump power of the Micropump is less than the pump power of the main pump.
Description
Technical field
The utility model relates to fuel-servicing equipment technical fields, are more particularly, to the Micropump of group refueling and system of refueling
System.
Background technique
The inside of fuel charger in gas station would generally install an oil pump, which is used for oil drum draw fuel, with
Fuel oil is provided to refueling nozzle by the hose being connected on fuel charger, enables fuel tank fuel up of the refueling nozzle to vehicle.
When the amount of the fuel oil of filling is close to demand, operation in the prior art is: make refueling nozzle repeatedly, repeatedly into
Row opening and closing movement, to be gradually filled into demand.
The reason of aforesaid operations certainly will extend the time of fuel up and increase the difficulty of filling, generate such case
Be: for oil pump during entire fuel up, the discharge capacity of unit time remains constant, and is before guaranteeing fuel up
The filling efficiency of phase process need to make oil pump have larger pump power, and the biggish pump power is in the last of fuel up
Stage needs refueling nozzle to carry out aforesaid operations.
The information disclosed in the background technology section is intended only to deepen the understanding to the general background technology of the application, and
It is not construed as recognizing or implying in any form that the information constitutes the prior art known to those skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of fuel loading system and Micropumps, existing in the prior art above-mentioned to solve
Technical problem.
To achieve the goals above, the utility model uses following technical scheme:
A kind of fuel loading system, comprising:
Oil drum is stored with fuel oil；
Refueling nozzle passes through the first oil circuit and the second oil circuit connection to the oil drum；
Main pump is set on first oil circuit；
Micropump is set on second oil circuit；
First switch valve is set on first oil circuit；
Second switch valve is set on second oil circuit；
Early period during fuel tank fuel up of from the refueling nozzle to vehicle, the first switch valve is opened, described
Second switch valve is closed, so that the main pump is the refueling nozzle fuel feeding；
In later period during fuel tank fuel up of from the refueling nozzle to vehicle, the second switch valve is opened, described
First switch valve is closed, so that the Micropump is the refueling nozzle fuel feeding；
The pump power of the Micropump is less than the pump power of the main pump.
Preferably, the first switch valve is between the main pump and the refueling nozzle.
Preferably, the second switch valve is between the Micropump and the refueling nozzle.
Preferably, the Micropump includes:
The pump housing is configured with the pump chamber of variable volume and has oil inlet and oil outlet；
Driving mechanism is used for the volume of pump chamber described in periodically-varied；
Valve module comprising the first check valve being set at the oil inlet and be set to the oil outlet
Two check valves；Wherein:
The outlet of first check valve is connected to pump chamber, and import is connected to the oil drum for providing fuel oil；Described
The import of two check valves is connected to the pump chamber, and outlet is connected to the hose of fuel charger.
Preferably, the pump housing includes ontology and surrounds the movable part of the pump chamber, the driving with the ontology
Mechanism is used to that the movable part to be driven to move back and forth to change the volume of the pump chamber.
Preferably, the movable part includes piston, and the piston is by reciprocatingly sliding in the pump housing to change
State the volume of pump chamber, the volume that the driving mechanism is used to drive the piston reciprocating sliding to change the pump chamber.
Preferably, the ontology has open end, and the movable part includes the flexible membrane for being plugged in the open end；Its
In:
The driving mechanism is for driving the flexible membrane towards the pump chamber and far from the pump chamber reciprocal transformation to change
The volume of the pump chamber.
Preferably, the driving mechanism includes:
Framework；
Motor is installed in the framework；
Cam is installed on the output shaft of the motor；
Displacement bar, first end are stretched to the periphery face contact with the cam in the framework, and second end is stretched out
To connect with the movable part, cam described in the motor driven is rotated to drive the displacement bar back and forth to move the framework
It is dynamic, to drive the movable part to move back and forth to change the volume of the pump chamber.
By adopting the above technical scheme, the utility model has the following beneficial effects: in oiling later-stage utilization Micropump to vehicle
Fuel tank is pumped into fuel oil, because the discharge capacity of Micropump is smaller, refueling nozzle can be made unanimously to be kept open, and then avoid operator at this
Period carries out the movement of opening and closing refueling nozzle repeatedly, repeatedly, so that refueling process becomes simply, and can accurately reach
Required oil mass.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of fuel loading system provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of Micropump provided by the embodiment of the utility model (pump chamber is in the biggish state of volume)；
Fig. 3 is the structural schematic diagram of Micropump provided by the embodiment of the utility model (pump chamber is in the lesser state of volume)；
Icon: 10- oil drum；20- main pump；30- Micropump；The 31- pump housing；311- ontology；312- flexible membrane；313- pump chamber；32-
First check valve；33- second one-way valve；34- driving mechanism；341- framework；342- cam；343- displacement bar；40- first switch
Valve；50- second switch valve；The first oil circuit of 60-；The second oil circuit of 70-；80- refueling nozzle.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on can understanding as the case may be
State the concrete meaning of term in the present invention.
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
As depicted in figs. 1 and 2, the utility model embodiment discloses a kind of fuel loading system and also discloses one kind and is used for
The Micropump 30 of the fuel loading system.The fuel loading system remove include the Micropump 30, further includes: oil drum 10, refueling nozzle 80, main pump 20 and
First switch valve 40 and second switch valve 50.Wherein: being stored with fuel oil in oil drum 10, refueling nozzle 80 passes through the first oil circuit 60 and the
Two oil circuits 70 are connected to oil drum 10, and main pump 20 is arranged on the first oil circuit 60, and Micropump 30 is arranged on the second oil circuit 70, and first opens
It closes valve 40 to be arranged on the first oil circuit 60 and between refueling nozzle 80 and main pump 20, second switch valve 50 is arranged in the second oil circuit
On 70 and between refueling nozzle 80 and Micropump 30.So that the discharge capacity of Micropump 30 much smaller than main pump 20 discharge capacity (or when Micropump
30 pump power is less than the pump power of main pump 20).
Early period during fuel tank fuel up of from the refueling nozzle 80 to vehicle, first switch valve 40 are opened, second switch
Valve 50 is closed, so that main pump 20 is 80 fuel feeding of refueling nozzle；After during fuel tank fuel up of the refueling nozzle 80 to vehicle
Phase, second switch valve 50 are opened, and first switch valve 40 is closed, so that Micropump 30 is 80 fuel feeding of refueling nozzle.
Should illustrate: the later period during so-called fuel up is directed to the oil mass of fuel tank filling close to required filling
Oil mass, for example, user needs to fill 50 liters of fuel oils, refueling nozzle 80, which fills after oil mass is 49 liters, can think for oiling fuel oil mistake
Later period in journey.
The fuel loading system of the utility model, in early period of refueling using the biggish main pump 20 of discharge capacity as power, so that filling
Oil mass needed for oil mass fast approaching, and in the later period of refueling, last required oil mass is filled using Micropump 30.
The advantage of above-described embodiment is: fuel oil is pumped into oil tank of vehicle in oiling later-stage utilization Micropump 30, because of Micropump 30
Discharge capacity it is smaller, refueling nozzle 80 can be made unanimously to be kept open, so avoid operator this period carry out repeatedly, repeatedly
Opening and closing refueling nozzle 80 movement so that refueling process becomes simply, and can accurately reach required oil mass.
In a preferred embodiment of the utility model, as shown in Figures 2 and 3, Micropump 30 includes: the pump housing 31, driving
Mechanism 34 and valve module.The pump housing 31 is configured with the pump chamber 313 of variable volume and has oil inlet and oil outlet；Driving machine
Structure 34 is used for the volume of periodically-varied pump chamber 313；Valve module includes the first check valve 32 being set at oil inlet and sets
It is placed in the second one-way valve 33 of oil outlet；Wherein: the outlet of the first check valve 32 is connected to pump chamber 313, import be used for
The oil drum 10 for providing fuel oil is connected to；The import of second one-way valve 33 is connected to pump chamber 313, and outlet and the hose of fuel charger connect
It is logical.
The course of work of above-mentioned Micropump 30 are as follows: driving mechanism 34 increases the volume of pump chamber 313, the pressure in pump chamber 313
Power reduces, and the outlet of the pump housing 31 is closed by second one-way valve 33, and the import of the pump housing 31 is opened by the first check valve 32, pump chamber 313
Interior pressure reduces so that the fuel oil in oil drum 10 enters in pump chamber 313；Then, driving mechanism 34 makes the volume of pump chamber 313
Reduce, the pressure in pump chamber 313 increases, this closes the import of the pump housing 31 by the first check valve 32, the outlet quilt of the pump housing 31
Second one-way valve 33 is opened, and the fuel oil in pump chamber 313, which is pressurized, enters refueling nozzle 80 via outlet, and injects oil by refueling nozzle 80
In case.
Advantage in above-described embodiment is: changing the volume of pump chamber 313 using driving mechanism 34, so that pumping is former
Reason and structure are simple, and are easy to control the discharge capacity of Micropump 30.
In a preferred embodiment of the utility model, the pump housing 31 includes ontology 311 and surrounds pump chamber with ontology 311
313 movable part, driving mechanism 34 is for driving movable part to move back and forth to change the volume of pump chamber 313.
The following two kinds component can be selected in movable part:
Embodiment 1, movable part include piston (not showing that movable part is the pump housing 31 of piston in attached drawing), and piston is logical
It crosses and is reciprocatingly slided in the pump housing 31 to change the volume of pump chamber 313, driving mechanism 34 is for driving piston reciprocating to slide to change
The volume of pump chamber 313.
Embodiment 2, ontology 311 have open end, and movable part includes the flexible membrane 312 for being plugged in open end；Wherein: driving
Motivation structure 34 changes the volume of pump chamber 313 for drive flexible membrane 312 towards pump chamber 313 and far from 313 reciprocal transformation of pump chamber.
One preferred embodiment of the utility model provides a kind of driving mechanism 34, and driving mechanism 34 includes: framework
341, motor, cam 342 and displacement bar 343.Motor is installed in framework 341；Cam 342 is installed in the output shaft of motor
On；343 first end of displacement bar is stretched to the periphery face contact with cam 342 in framework 341, and second end stretches out framework 341
To connect with movable part, the rotation of motor driven cam 342 is to drive displacement bar 343 to move back and forth, to drive movable part past
It is multiple to move to change the volume of pump chamber 313.In the present embodiment, displacement bar 343 is converted into using the rotary motion of cam 342
It is axially moved to drive movable part periodically to be moved back and forth, and then periodically changes the volume of pump chamber 313, with
Realize the supply to the fuel oil of refueling nozzle 80.
Should illustrate: main pump 20 can be gear pump, plunger pump etc..
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (8)
1. a kind of fuel loading system characterized by comprising
Oil drum is stored with fuel oil；
Refueling nozzle passes through the first oil circuit and the second oil circuit connection to the oil drum；
Main pump is set on first oil circuit；
Micropump is set on second oil circuit；
First switch valve is set on first oil circuit；
Second switch valve is set on second oil circuit；
Early period during fuel tank fuel up of from the refueling nozzle to vehicle, the first switch valve are opened, and described second
Switch valve is closed, so that the main pump is the refueling nozzle fuel feeding；
Later period during fuel tank fuel up of from the refueling nozzle to vehicle, the second switch valve are opened, and described first
Switch valve is closed, so that the Micropump is the refueling nozzle fuel feeding；
The pump power of the Micropump is less than the pump power of the main pump.
2. fuel loading system according to claim 1, which is characterized in that the first switch valve be located at the main pump with it is described
Between refueling nozzle.
3. fuel loading system according to claim 1, which is characterized in that the second switch valve be located at the Micropump with it is described
Between refueling nozzle.
4. fuel loading system according to claim 1, which is characterized in that the Micropump includes:
The pump housing is configured with the pump chamber of variable volume and has oil inlet and oil outlet；
Driving mechanism is used for the volume of pump chamber described in periodically-varied；
Valve module comprising the first check valve being set at the oil inlet and the second list for being set to the oil outlet
To valve；Wherein:
The outlet of first check valve is connected to pump chamber, and import is connected to the oil drum for providing fuel oil；Described second is single
Import to valve is connected to the pump chamber, and outlet is connected to the hose of fuel charger.
5. fuel loading system according to claim 4, which is characterized in that the pump housing includes ontology and encloses with the ontology
At the movable part of the pump chamber, the driving mechanism is for driving the movable part to move back and forth to change the pump chamber
Volume.
6. fuel loading system according to claim 5, which is characterized in that the movable part includes piston, and the piston is logical
It crosses and is reciprocatingly slided in the pump housing to change the volume of the pump chamber, the driving mechanism is for driving the piston reciprocating sliding
The dynamic volume to change the pump chamber.
7. fuel loading system according to claim 5, which is characterized in that the ontology has open end, the movable part
Flexible membrane including being plugged in the open end；Wherein:
The driving mechanism is for driving the flexible membrane described to change towards the pump chamber and far from the pump chamber reciprocal transformation
The volume of pump chamber.
8. fuel loading system according to claim 5, which is characterized in that the driving mechanism includes:
Framework；
Motor is installed in the framework；
Cam is installed on the output shaft of the motor；
Displacement bar, first end stretch in the framework with the periphery face contact with the cam, described in second end is stretched out
Framework to be connect with the movable part, the rotation of cam described in the motor driven to drive the displacement bar to move back and forth, with
The movable part is driven to move back and forth to change the volume of the pump chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920111269.5U CN209468120U (en) | 2019-01-22 | 2019-01-22 | Fuel loading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920111269.5U CN209468120U (en) | 2019-01-22 | 2019-01-22 | Fuel loading system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209468120U true CN209468120U (en) | 2019-10-08 |
Family
ID=68091406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920111269.5U Active CN209468120U (en) | 2019-01-22 | 2019-01-22 | Fuel loading system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209468120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604815A (en) * | 2022-04-22 | 2022-06-10 | 吉蔚交通科技(北京)有限公司 | Control method of oiling machine, metering control mainboard and oiling machine |
-
2019
- 2019-01-22 CN CN201920111269.5U patent/CN209468120U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604815A (en) * | 2022-04-22 | 2022-06-10 | 吉蔚交通科技(北京)有限公司 | Control method of oiling machine, metering control mainboard and oiling machine |
| CN114604815B (en) * | 2022-04-22 | 2023-10-03 | 吉蔚交通科技(北京)有限公司 | Control method of oiling machine, metering control main board and oiling machine |
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