CN217501841U

CN217501841U - Auxiliary oil supply structure of aviation range extender

Info

Publication number: CN217501841U
Application number: CN202221798254.9U
Authority: CN
Inventors: 朱碧芬
Original assignee: Zhejiang Xuanfu Technology Co ltd; Zhejiang Geely Holding Group Co Ltd
Current assignee: Zhejiang Xuanfu Technology Co ltd; Zhejiang Geely Holding Group Co Ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-09-27
Anticipated expiration: 2032-07-13

Abstract

The utility model provides an aviation increases supplementary fuel feeding structure of journey ware has related to the technical field of supplementary fuel feeding, include: the oil pump is communicated with the oil tank through an oil inlet pipeline and an oil return pipeline; and the engine oil bubble is used for discharging air in the oil path and is arranged on the oil return pipeline, the engine oil bubble comprises a rubber cover, and the air in the oil path is discharged from the oil tank by pressing the rubber cover, so that the engine oil is filled in the oil inlet pipeline and the oil return pipeline. The utility model discloses can make into oil pipe way and return oil pipe way and form the vacuum and inhale the oil to make the fuel full of entire system, begin to be in the circulatory state, thereby make the oil pump carry out normal work sooner, thereby promoted the stability of whole supply system fuel feeding.

Description

Auxiliary oil supply structure of aviation range extender

Technical Field

The utility model belongs to the technical field of supplementary fuel feeding, concretely relates to supplementary fuel feeding structure of aviation range extender.

Background

When aviation increase journey ware hybrid power system embarked on unmanned aerial vehicle and uses, because aviation increase journey ware hybrid power system's engine needs the confession system to carry out the energy and supply, because different series, different producers are different to the mounted position of power, and this is that the external naked of oil pump adorns between engine and oil tank in the oil feeding system of power. The difference of unmanned aerial vehicle operational environment and usage, the frequency under the more general condition of the frequency that the oil tank refueled is higher, causes deoiling admission air between oil pump and oil tank pipe easily, causes the unable normal work of oil pump, needs make oil pump work after the evacuation, and current evacuation technique exists need borrow the instrument outward and make troublesome poeration and supply not go up to cause shortcomings such as oil pump fragile.

SUMMERY OF THE UTILITY MODEL

In view of the shortcoming of above prior art, the utility model aims to provide an aviation increases supplementary fuel feeding structure of journey ware to improve because the oil tank frequency of refueling is higher, cause deoiling entering air between oil pump and oil tank pipe easily, cause the unable normal work of oil pump, need carry out evacuation back messenger's oil pump work, and current evacuation technique exists and does not lead to the fact the problem of shortcomings such as oil pump fragile by the instrument outside and supply.

In order to realize above-mentioned purpose and other relevant purposes, the utility model provides an aviation increases supplementary fuel feeding structure of journey ware, include:

the oil pump is communicated with the oil tank through an oil inlet pipeline and an oil return pipeline;

and the engine oil bubble is used for discharging air in the oil path and is arranged on the oil return pipeline, the engine oil bubble comprises a rubber cover, and the air in the oil path is discharged from the oil tank by pressing the rubber cover, so that the engine oil is filled in the oil inlet pipeline and the oil return pipeline.

In an embodiment of the present invention, the oil tank is provided with an air outlet.

In an embodiment of the present invention, the oil bubble further includes a base, an oil inlet and an oil outlet, the oil inlet and the oil outlet are both disposed at the bottom of the base.

In an embodiment of the present invention, the oil return pipeline includes a first oil return pipeline and a second oil return pipeline, one end of the first oil return pipeline is connected to the oil pump, the other end of the first oil return pipeline is connected to the oil inlet, one end of the second oil return pipeline is connected to the oil tank, and the other end of the second oil return pipeline is connected to the oil outlet.

In one embodiment of the present invention, the rubber cover is disposed on the top of the base, and forms a first chamber with the base.

In an embodiment of the utility model, the inside of base is provided with the second chamber, the oil inlet is located the one end of second chamber, and with the second chamber intercommunication, the one end of oil-out is located in the second chamber, and be higher than the bottom surface of second chamber.

In an embodiment of the present invention, a step counter bore is disposed at the top of the base, the step counter bore communicates with the first cavity and the second cavity, and is used for pressing the rubber cover to make the first cavity generate negative pressure, and then the air in the oil path is sucked into the first cavity through the oil inlet.

In an embodiment of the present invention, a check valve is disposed in the step counter bore, the bottom of the check valve is located at the top end of the oil outlet, and when the rubber cover is pressed, the check valve separates the oil inlet and the oil outlet.

In an embodiment of the utility model, the check valve is the oil-proof rubber check valve, just the oil-proof rubber check valve with the centre of the one end that the oil-out is connected is provided with the pore, when pressing the rubber cover, the oil-proof rubber check valve with the one end that the oil-out is connected is strutted by the air, in order to incite somebody to action first cavity with the oil-out intercommunication.

The utility model discloses an embodiment, the machine oil bubble still includes a plurality of fixed buckles, and is a plurality of fixed buckle sets up the bottom of base is and be located the oil inlet with around the oil-out.

The utility model provides an aviation increases supplementary fuel feeding structure of journey ware, the machine oil bubble that is equipped with the extrusion function in the oil return pipeline that oil pump and oil tank link to each other, utilize its extrusion function, get rid of the inside air that gets into of pipeline, thereby make the oil tank, the oil pump, advance oil pipe and return oil pipe way and form the vacuum, inhale the oil, thereby make entire system sufficient fuel, begin to be in the circulation state, thereby make the oil pump normally work sooner, thereby the stability of whole supply system fuel feeding has been promoted, and make the oil pump normally work after changing fluid fast.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an auxiliary oil supply structure of an aviation range extender according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an oil bubble according to an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of an oil bubble according to an embodiment of the present invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Description of reference numerals:

an oil pump 10; a fuel tank 20; an oil bubble 30; an oil inlet pipeline 101; an oil return line 102; a base 301; a rubber boot 302; an oil inlet 303; an oil outlet 304; a check valve 305; a first chamber 3011; a first oil return line 1021; a second return line 1022; a second chamber 3012; a step counterbore 3013; a valve seat 3051; a through hole 3052; fine pores 3053; securing the clasp 306.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can be implemented or applied by other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the invention in a schematic manner, and only the components related to the invention are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, quantity and proportion of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.

Referring to fig. 1 to 4, the present invention provides an auxiliary oil supply structure for an aviation range extender, so as to improve the problems of the prior art that the frequency of oil filling in an oil tank is high, oil is easily removed from the oil tank and enters the air between the oil pump and the oil tank pipe, the oil pump is required to operate after evacuation, and the prior art requires tools to cause operation troubles and the oil pump is not easily damaged due to the failure of oil supply, and more particularly, the auxiliary oil supply structure comprises an oil pump 10, an oil tank 20 and an oil bubble 30, wherein the oil pump 10 is used for supplying oil, the oil tank 20 stores oil, the oil pump 10 is communicated with the oil tank 20 through an oil inlet pipe 101 and an oil return pipe 102, the oil bubble 30 is disposed on the oil return pipe 102, the oil bubble 30 is used for discharging air in the oil outlet, so that the oil inlet pipe 101 and the oil return pipe 102 form a vacuum, oil absorption is carried out, so that the whole system is full of fuel oil.

Referring to fig. 1 to 4, in the present embodiment, the oil collecting bubble 30 includes a base 301, a rubber cover 302, an oil inlet 303, an oil outlet 304 and a one-way valve 305, the rubber cover 302 is disposed above the base 301 to form a first cavity 3011 with the base 301, and the oil inlet 303 and the oil outlet 304 are both disposed at the bottom of the base 301. In this embodiment, the oil return line 102 includes a first oil return line 1021 and a second oil return line 1022, one end of the first oil return line 1021 is connected to the oil pump 10, the other end of the first oil return line 1021 is connected to the oil inlet 303, one end of the second oil return line 1022 is connected to the oil tank 20, and the other end of the second oil return line 1022 is connected to the oil outlet 304, so as to connect the oil bubble 30 to the oil return line 102.

Referring to fig. 1 to 4, in this embodiment, a second chamber 3012 is further disposed inside the base 301, the oil inlet 303 is located at one side of the second chamber 3012, the oil inlet 303 is communicated with the second chamber 3012, and one end of the oil outlet 304 is located in the second chamber 3012 and is higher than a bottom surface of the second chamber 3012. In this embodiment, a step counter bore 3013 is further disposed at the top of the base 301, where the step counter bore 3013 is used to communicate the first cavity 3011 with the second cavity 3012, and is used to suck air in the oil path into the first cavity 3011 through the second cavity 3012 and the step counter bore 3013 after the rubber cover 302 is pressed to generate negative pressure in the first cavity 3011.

Referring to fig. 1 to 4, in the present embodiment, the check valve 305 is disposed in the stepped counterbore 3013, and the bottom of the check valve 305 is located at the top end of the oil outlet 304, that is, the bottom of the check valve 305 is in contact with the end of the oil outlet 304 located in the second chamber 3012, when the rubber cover 302 is pressed, under the action of air pressure, the bottom surface of the valve seat 3051 of the check valve 305 is tightly attached to the stepped surface of the stepped counterbore 3013, and the bottom of the check valve 305 is propped open and the inner side wall of the oil outlet 304 is attached together, so as to block the oil inlet 303 and the oil outlet 304, prevent air from entering the oil inlet 303, and enable air to be completely discharged from the oil outlet 304.

Referring to fig. 1 to 4, in this embodiment, the check valve 304 is, for example, an oil-resistant rubber check valve, a through hole 3052 is disposed in the middle of the oil-resistant rubber check valve, a fine hole 3053 is disposed in the middle of an end of the oil-resistant rubber check valve connected to the oil outlet 303, the fine hole 3053 is communicated with the through hole 3052, when the rubber cover 302 is pressed, the first chamber 3011 is compressed, and under the action of air pressure, the check valve 305 is tightly attached to the step surface of the step counter bore 3013, so that air in the first chamber 3011 can only pass through the through hole 3052, and further the bottom of the oil-resistant rubber check valve, that is, the end of the oil-resistant rubber check valve connected to the oil outlet 304 is spread under the action of air pressure to communicate the first chamber 3011 with the oil outlet 304, so that the air in the first chamber 3011 is discharged to the oil tank 20 through the one-way valve 305 and the oil outlet 304, it should be noted that an air outlet hole is provided on the oil tank 20, so that the air discharged to the oil tank 20 is discharged to the external environment through the air outlet hole.

It should be further noted that after the rubber cover 302 is pressed to discharge the air in the first chamber 3011 from the oil outlet 304, so that the first chamber 3011 forms a negative pressure, that is, after the rubber cover 302 is released, the rubber cover 302 starts to return to its original position, at this time, the first chamber 3011 is in a negative pressure state, so that the first chamber 3011 forms a suction force, the air in the oil path enters the second chamber 3012 through the oil inlet 303, and the check valve 305 is lifted to communicate the first chamber 3011 with the second chamber 3012, so that the air in the oil path is sucked into the first chamber 3011 through the oil inlet 303, and after the suction is completed, the rubber cover 302 is pressed again to discharge the air in the first chamber 3011 from the oil outlet 304 into the oil tank 20, and then the air is discharged to the external environment through the air outlet of the oil tank 20, the above process is repeated for a plurality of times to make oil tank, oil pump, oil inlet pipeline and return oil pipe form the vacuum, carry out the oil absorption, thereby make the interior even full fuel of entire system, begin to be in the circulation state, thereby make the oil pump carry out normal work sooner, thereby promoted the stability of whole supply system fuel feeding.

Referring to fig. 1 to 4, in the present embodiment, the oil foam 30 further includes a plurality of fixing fasteners 306, and the fixing fasteners 306 are disposed at the bottom of the base 301 and located around the oil inlet 303 and the oil outlet 304, and the oil foam 30 is fixed on a rack or other supports through the fixing fasteners 306.

The above description is only a preferred embodiment of the present application and the explanation of the technical principle used, and it should be understood by those skilled in the art that the scope of the present application is not limited to the technical solution of the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept, for example, the technical solutions formed by mutually replacing the above technical features (but not limited to) having similar functions disclosed in the present application.

Besides the technical features described in the specification, other technical features are known to those skilled in the art, and further description of the other technical features is omitted here in order to highlight the innovative features of the present invention.

Claims

1. An auxiliary oil supply structure of an aviation range extender is characterized by comprising:

2. The auxiliary oil supply structure of the aviation range extender of claim 1, wherein an air outlet hole is formed in the oil tank.

3. The auxiliary oil supply structure of the aviation range extender of claim 1, wherein the engine oil bubble further comprises a base, an oil inlet and an oil outlet, and the oil inlet and the oil outlet are both arranged at the bottom of the base.

4. The auxiliary oil supply structure of the aviation range extender according to claim 3, wherein the oil return pipeline comprises a first oil return pipeline and a second oil return pipeline, one end of the first oil return pipeline is connected with the oil pump, the other end of the first oil return pipeline is connected with the oil inlet, one end of the second oil return pipeline is connected with the oil tank, and the other end of the second oil return pipeline is connected with the oil outlet.

5. The auxiliary oil supply structure of the aviation range extender of claim 3, wherein the rubber cover is arranged on the top of the base and forms a first chamber with the base.

6. The auxiliary oil supply structure of the aviation range extender of claim 5, wherein a second chamber is arranged inside the base, the oil inlet is located on one side of the second chamber and is communicated with the second chamber, and one end of the oil outlet is located in the second chamber and is higher than the bottom surface of the second chamber.

7. The auxiliary oil supply structure of the aviation range extender of claim 6, wherein a step counter bore is arranged at the top of the base, the step counter bore is communicated with the first cavity and the second cavity, and the step counter bore is used for sucking air in the oil path into the first cavity through the oil inlet after the rubber cover is pressed to enable the first cavity to generate negative pressure.

8. The auxiliary oil supply structure of the aviation range extender of claim 7, wherein a check valve is arranged in the stepped counter bore, the bottom of the check valve is located at the top end of the oil outlet, and when the rubber cover is pressed, the check valve separates the oil inlet from the oil outlet.

9. The auxiliary oil supply structure of the aviation range extender as claimed in claim 8, wherein the check valve is an oil-resistant rubber check valve, a fine hole is formed in the middle of one end of the oil-resistant rubber check valve connected with the oil outlet, and when the rubber cover is pressed, one end of the oil-resistant rubber check valve connected with the oil outlet is spread by air so as to communicate the first chamber with the oil outlet.

10. The auxiliary oil supply structure of the aviation range extender of claim 3, wherein the engine oil bubble further comprises a plurality of fixing buckles, and the plurality of fixing buckles are arranged at the bottom of the base and are located around the oil inlet and the oil outlet.