CN207033622U - Brushless fuel pump - Google Patents
Brushless fuel pump Download PDFInfo
- Publication number
- CN207033622U CN207033622U CN201720652796.8U CN201720652796U CN207033622U CN 207033622 U CN207033622 U CN 207033622U CN 201720652796 U CN201720652796 U CN 201720652796U CN 207033622 U CN207033622 U CN 207033622U
- Authority
- CN
- China
- Prior art keywords
- shell
- baffler
- oil pump
- oil
- motor
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses brushless fuel pump, including impeller, shell and oil outlet, the impeller bottom is provided with oil pump bottom, oil pump bottom is internally threaded, its bottom is provided with base, filter screen is provided with it, the rotating shaft runs through impeller, baffler, motor, covered on oil pump, upper impeller is provided with baffler, screw thread is provided with the outside of baffler, baffler top is provided with shell, outer casing bottom is provided with screw, baffler be connected by bolt with screw and then with cage connection, enclosure is provided with motor, motor internal is provided with accumulator, magnet steel and outer rotor shell, stator silicon steel plate winding is provided with the outside of magnet steel, motor internal is connected by gear and rotating shaft, shell upper is provided with oil pump and covered, lid is provided with electric control chamber and oil outlet on oil pump, the first valve is provided with inside oil outlet.The brushless fuel pump, by being provided with two valves in fuel pump, after motor is stopped, in order to prevent fuel flow returns, valve is designed to one-way flow.
Description
Technical field
It the utility model is related to technical field of automobile accessories, specially brushless fuel pump.
Background technology
Fuel pump is the kinetic pump that certain flow and pressure fuel are provided to engine.Traditional fuel pump is mechanically to have
Brush electronic pump, include rotor coil winding, magnets of stator, carbon brush, commutator, check-valves, impeller and shell etc., Permanent Magnet and Electric
Motivation, which is powered, can drive the pump housing to rotate, and fuel oil is sucked from oil inlet, flowed through inside electric fuel punp, then from oil-out pressure
Go out, supply fuel system fuel feeding.Practical process proves that prior art has brush electric fuel punp to wear in use
It hurry up, short life, electric spark can be produced during especially suitable, security performance is low, and due in its design, is using
During there are the not corrosion-resistant many drawbacks of grade, traditional fuel pump is using a valve, it is impossible to effectively by pressure
It is fixed in accumulator, the also higher and traditional fuel pump of the technical requirements to its valve is directly by oily inspiration accumulator
It is interior, it is impossible to the impurity in fuel oil is removed, easily causes the pipeline in fuel pump to block.For this, we devise a new
The brushless fuel pump of type, solves traditional brushless fuel pump inconvenient problem with use.
Utility model content
The purpose of this utility model is to provide brushless fuel pump, to solve existing technological deficiency and inaccessiable skill
Art requirement.
To achieve the above object, the utility model provides following technical scheme：Brushless fuel pump, including impeller, shell and
Oil outlet, the impeller bottom are provided with oil pump bottom, and oil pump bottom is internally threaded, and its bottom is provided with base, are provided with it
Filter screen, the rotating shaft are covered on impeller, baffler, motor, oil pump, and upper impeller is provided with baffler, is provided with the outside of baffler
Screw thread, baffler top are provided with shell, and outer casing bottom is provided with screw, and baffler is connected by bolt with screw to be connected and then with shell
Connect, enclosure is provided with motor, and motor internal is provided with accumulator, magnet steel and outer rotor shell, stator silicon steel plate is provided with the outside of magnet steel
Winding, motor internal are connected by gear and rotating shaft, and shell upper is provided with oil pump and covered, and lid is provided with electric control chamber on oil pump
And oil outlet, oil outlet inside are provided with the first valve.
Preferably, the baffler and enclosure are provided with pipeline, and the end of pipeline one is connected on baffler bottom, another to terminate at
Outer casing bottom, pipeline inside are provided with the second valve.
Preferably, the oil pump bottom is internally threaded, and is provided with screw thread on the outside of baffler, both are detachable by screw thread
Connection.
Preferably, the filter screen is located at oil pump bottom bottom, and be fixedly connected with oil pump bottom.
Preferably, pipeline is provided with inside the oil outlet, pipeline is connected with accumulator, oil outlet and the fixed company of lid on oil pump
Connect, the wire in electric control chamber is fixedly connected by lid and motor connection on oil pump, electric control chamber with lid on oil pump.
Compared with prior art, the beneficial effects of the utility model are as follows：
1. compared with traditional brushless fuel pump, the brushless fuel pump after improvement passes through each in oil outlet and in baffler
Provided with a valve, the pressure in fuel pipe can be preferably controlled, it is not leaked out, is also possible to prevent to restart electricity
After machine, accumulator does not have fuel oil, so as to cause the damage to fuel pump.
2. compared with traditional brushless fuel pump, the brushless fuel pump after improvement in oil pump bottom bottom by being provided with filter
Net, prevent the fuel oil in fuel tank from being entered with impurity in fuel pump, and then block the pipeline in fuel pump, cause fuel pump to send out
Raw failure, the removal of impurity is gone plus when causing fuel oil to pass through filter screen after filter screen, ensure that the pure of fuel oil.
Brief description of the drawings
Fig. 1 is the utility model brushless fuel pump structural representation；
Fig. 2 is the utility model brushless fuel pump internal structure of motor schematic diagram；
Fig. 3 is the utility model brushless fuel pump internal structure schematic diagram；
In figure：1- oil pump bottoms, 2- impellers, 3- bafflers, 4- shells, 5- motors, 6- electric control chambers, 7- rotating shafts, 8- are fuel-displaced
Hole, cover on 9- oil pumps, the valves of 10- first, 11- accumulators, 12- magnet steel, 13- outer rotor shells, 14- bolts, the valves of 15- second,
16- pipelines, 17- filter screens.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：Brushless fuel pump, including impeller 2, shell 4 and go out
Oilhole 8, the bottom of impeller 2 are provided with oil pump bottom 1, and oil pump bottom 1 is internally threaded, and its bottom is provided with base, set in it
There is filter screen 17, the rotating shaft 7 lid 9, the top of impeller 2 on impeller 2, baffler 3, motor 5, oil pump are provided with baffler 3, obstructed
The outside of plate 3 is provided with screw thread, and the top of baffler 3 is provided with shell 4, and the bottom of shell 4 is provided with screw, and baffler 3 passes through bolt 14 and spiral shell
Hole connects and then is connected with shell 4, and the inside of shell 4 is provided with motor 5, and the inside of motor 5 is provided with accumulator 11, magnet steel 12 and outer rotor
Shell 13, the outside of magnet steel 12 are provided with stator silicon steel plate winding, are connected inside motor 5 by gear and rotating shaft 7, the top of shell 4
Provided with lid on oil pump 9, lid 9 is provided with electric control chamber 6 and oil outlet 8 on oil pump, and the inside of oil outlet 8 is provided with the first valve 10.
Baffler 3 and the inside of shell 4 are provided with pipeline 16, and the end of pipeline 16 1 is connected on the bottom of baffler 3, another to terminate at shell
4 bottoms, the inside of pipeline 16 are provided with the second valve 15, and impeller 2 is that oil is sucked up and enters shell 4 along pipeline 16 rotation
Interior, because the second valve 15 has one-way, fuel oil, which can only enter, to be gone out.
Oil pump bottom 1 is internally threaded, and the outside of baffler 3 is provided with screw thread, and both are detachably connected by screw thread, convenient
Timely impeller 2 and other parts are repaired.
Filter screen 17 is located at the bottom of oil pump bottom 1, and be fixedly connected with oil pump bottom 1, filter screen 17 can be to thin in fuel oil
Small impurity is removed, and prevents from entering in fuel pump, it is resulted in blockage the pipeline in fuel pump.
The inside of oil outlet 8 is provided with pipeline, and pipeline is connected with accumulator 11, and oil outlet 8 is fixedly connected with lid on oil pump 9, electricity
Wire in control room 6 is connected by lid on oil pump 9 with motor 5, and electric control chamber 6 is fixedly connected with lid on oil pump 9, and electric control chamber 6 can be with
The rotation and stopping of controlled motor 5, after motor 5 stops, the first valve 10 is closed, and fuel oil is no longer gone out from oil outlet 8, but is stopped
Stay in accumulator 11.
The utility model brushless fuel pump controls the rotation of rotating shaft 7 by the controlled motor 5 of electric control chamber 6, so that
Impeller 2 rotates, and impeller 2 is when rotating, because fuel oil is passed through the accumulator 11 in the inspiration shell 4 of pipeline 16 by suction
In, then by oil outlet 8 flow into high pressure fuel in fuel system by conduit.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. brushless fuel pump, including impeller（2）, shell（4）And oil outlet（8）, it is characterised in that：The impeller（2）Bottom is set
There is oil pump bottom（1）, oil pump bottom（1）It is internally threaded, its bottom is provided with base, is provided with filter screen in it（17）, rotating shaft（7）
Through impeller（2）, baffler（3）, motor（5）, cover on oil pump（9）, impeller（2）Top is provided with baffler（3）, baffler（3）
Outside is provided with screw thread, baffler（3）Top is provided with shell（4）, shell（4）Bottom is provided with screw, baffler（3）Pass through bolt
（14）It is connected with screw and then and shell（4）Connection, shell（4）Inside is provided with motor（5）, motor（5）Inside is provided with accumulator
（11）, magnet steel（12）With outer rotor shell（13）, magnet steel（12）Outside is provided with stator silicon steel plate winding, motor（5）Inside passes through tooth
Wheel and rotating shaft（7）It is connected, shell（4）Top is provided with oil pump and covered（9）, cover on oil pump（9）It is provided with electric control chamber（6）With go out
Oilhole（8）, oil outlet（8）Inside is provided with the first valve（10）.
2. brushless fuel pump according to claim 1, it is characterised in that：The baffler（3）And shell（4）Inside is provided with
Pipeline（16）, pipeline（16）One end is connected on baffler（3）Bottom, it is another to terminate at shell（4）Bottom, pipeline（16）Inside is provided with
Second valve（15）.
3. brushless fuel pump according to claim 1, it is characterised in that：The oil pump bottom（1）It is internally threaded, hinders
Dividing plate（3）Outside is provided with screw thread, and both are detachably connected by screw thread.
4. brushless fuel pump according to claim 1, it is characterised in that：The filter screen（17）It is located at oil pump bottom（1）Bottom
Portion, and with oil pump bottom（1）It is fixedly connected.
5. brushless fuel pump according to claim 1, it is characterised in that：The oil outlet（8）Inside is provided with pipeline, pipeline
With accumulator（11）Connection, oil outlet（8）With being covered on oil pump（9）It is fixedly connected, electric control chamber（6）Interior wire on oil pump by covering
（9）With motor（5）Connection, electric control chamber（6）With being covered on oil pump（9）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720652796.8U CN207033622U (en) | 2017-06-07 | 2017-06-07 | Brushless fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720652796.8U CN207033622U (en) | 2017-06-07 | 2017-06-07 | Brushless fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207033622U true CN207033622U (en) | 2018-02-23 |
Family
ID=61471155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720652796.8U Expired - Fee Related CN207033622U (en) | 2017-06-07 | 2017-06-07 | Brushless fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207033622U (en) |
-
2017
- 2017-06-07 CN CN201720652796.8U patent/CN207033622U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20200607 |