CN211975210U

CN211975210U - Fuel pump

Info

Publication number: CN211975210U
Application number: CN202020099556.1U
Authority: CN
Inventors: 王玉红; 张培; 金雷博; 连威; 严泽君
Original assignee: Zhejiang Ance New Energy Technology Co ltd
Current assignee: Shanghai Jianzhi Electric Technology Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-11-20
Anticipated expiration: 2030-01-16

Abstract

The utility model relates to a fuel pump, including the controller casing, one side of controller casing is provided with the aviation socket, the inside of controller casing is provided with the circuit board, the upside an organic whole of controller casing is connected with motor casing, motor casing's bottom is provided with motor body, motor body is including the electric motor rotor who runs through motor casing's top, motor casing's top is connected with the impeller lid, the impeller lid is provided with interface channel, motor rotor is connected with and is in the inside impeller body of impeller lid. The utility model has the advantages of pressurize the natural gas.

Description

Fuel pump

Technical Field

The utility model relates to a fuel pump technical field, concretely relates to fuel pump.

Background

The fuel used by the traditional burner is mainly diesel oil with good ignition performance, at present, heavy oil can be heated to 110 ℃ by a heater and then is conveyed to an ignition position by a matching pipeline, the existing fuel pump using natural gas is not a lot, and the natural gas is pressurized in the using process to enhance the using efficiency of the natural gas, so the existing fuel pump needs to be improved.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the utility model aims to provide a fuel pump, it has carries out the advantage that pressurizes to the natural gas.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a fuel pump, includes the controller casing, one side of controller casing is provided with the aviation socket, the inside of controller casing is provided with the circuit board, the upside body coupling of controller casing has motor casing, motor casing's bottom is provided with motor body, motor body is including the electric motor rotor who runs through motor casing's top, motor casing's top is connected with the impeller lid, the impeller lid is provided with the interface channel, electric motor rotor is connected with the impeller body that is in impeller lid inside.

Through adopting above-mentioned technical scheme, there is the natural gas line in the connecting channel external world, and the natural gas gets into the inside of impeller cover along connecting tube, and motor body can drive motor rotor and rotate and then drive impeller body and rotate, can let the natural gas pressure boost that is in the inside of impeller cover behind the rotation of impeller to let the natural gas after the pressure boost discharge from connecting channel's the other end, reach the purpose of pressurization.

The utility model discloses further set up to: an air pressure sensor is arranged in the fuel pump and is connected with the motor body through an electric signal.

Through adopting above-mentioned technical scheme, when baroceptor sensed the atmospheric pressure in the impeller cover and was less than 0.8MPA, the impeller body began to rotate and then began the pressure boost, when baroceptor detected atmospheric pressure in the impeller cover and is greater than or equal to 1.1MPA, baroceptor let motor body stall, and then let impeller body stall, the pressure boost stops.

The utility model discloses further set up to: the utility model discloses a motor rotor, including motor rotor, spacing ring, impeller body, motor rotor, counter-sunk screw, motor rotor's one end an organic whole is connected with the spacing ring that encircles motor rotor side, the spacing ring is in the inside of impeller lid, impeller body is provided with the spacing groove that is used for holding the spacing ring towards motor casing one side, impeller body's middle part is provided with the groove that runs through impeller body and communicate with the spacing groove, motor rotor's top is provided with the thread groove that distributes along motor rotor's axial lead direction, motor rotor threaded connection has the counter-sunk screw that is in the thread groove, the top of counter-sunk screw.

Through adopting above-mentioned technical scheme, the setting up of spacing ring lets electric motor rotor's one end can be in motor casing's upside, cup joint impeller body in electric motor rotor's the outside afterwards, the spacing ring will be in the spacing inslot, thereby control and remove about the restriction spacing ring, with the rotatory entering thread inslot of countersunk screw afterwards, thereby can let the upper end extrusion impeller body of countersunk screw behind the rotatory countersunk screw let impeller body can not axial displacement, the countersunk screw also can let realize fixed connection between impeller body and the electric motor rotor. Under the long-time work of impeller body, especially when the operation under the high pressure, need produce very big fastening force between impeller body and the electric motor rotor for impeller body and impeller rotor can not produce the phenomenon of skidding, because this product is used on the car, can not avoid producing jolting in daily use, can not produce axial displacement between impeller and the axle, because the space is very little between impeller and the impeller lid, in case impeller body produces axial displacement, can collide with the impeller lid, direct harm impeller body, even electric motor body.

The utility model discloses further set up to: and a first spring is arranged at the bottom of the thread groove.

Through adopting above-mentioned technical scheme, the setting of first spring lets first spring can extrude the countersunk head screw that is in the thread groove, and then avoids taking place between countersunk head screw and the thread groove and rock.

The utility model discloses further set up to: one side of the connecting channel is connected with a preheating device; the preheating device comprises a connecting pipe connected with the connecting channel, a heat insulation sleeve is sleeved on the outer side of the connecting pipe, and a plurality of heating blocks are arranged inside the heat insulation sleeve.

Through adopting above-mentioned technical scheme, the natural gas will advance to go into in the connecting tube and preheat between getting into the connecting tube, the start-stop of heating piece can set up in advance to open or close at any time according to external temperature, when outside temperature is lower, can start the heating piece and preheat the natural gas in the connecting tube, and the heat dissipation's in the connecting tube speed can be slowed down to the radiation shield, and in hot summer, then need not to open the heating piece, open the heating piece as required promptly.

The utility model discloses further set up to: the recovery unit includes the test tube of being connected with interface channel, the one end of test tube is provided with the first fixed pipe and the fixed pipe of second with the test tube intercommunication, be provided with air pressure sensor in the test tube, the one end and the interface channel intercommunication of the fixed pipe of second, the junction of first fixed pipe and test tube is provided with the closure, the junction of the fixed pipe of second and test tube is provided with the closure.

Through adopting above-mentioned technical scheme, after the impeller body no longer rotates, atmospheric pressure in the impeller lid will constantly reduce, the natural gas flows out to the back in the measuring tube, atmospheric pressure in the measuring tube can be sensed to the baroceptor in the measuring tube, when atmospheric pressure in the measuring tube is less than 0.8MPA, the closure will cut off first fixed pipe and measuring tube, thereby let the natural gas in the measuring tube flow in the fixed pipe of second and get into the interface channel once more, and then pressurize once more in getting into the impeller lid, after the atmospheric pressure of the natural gas in the impeller lid reaches the requirement, get into in the measuring tube once more, after the atmospheric pressure that the baroceptor in the measuring tube sensed the natural gas sensor in the measuring tube meets the requirements, can let the closure cut off the fixed pipe of second and measuring tube, get through first fixed pipe and measuring tube, let the natural gas flow out can from first fixed pipe.

The utility model discloses further set up to: the detection device is characterized in that a fixed block is arranged at one end of the detection tube, the closed piece comprises a disc at the opening of the detection tube, the fixed block is provided with an accommodating groove at one side of the disc, a micro motor is arranged in the accommodating groove and connected with a cam, the fixed block is provided with a pushing piece at one side of the disc, and the pushing piece always extrudes the disc and enables the disc to have a tendency of moving towards the direction of the cam.

Through adopting above-mentioned technical scheme, micro motor can drive the cam and rotate, and along with the rotation of cam, thereby the cam will extrude the disc and let the disc move towards the direction of detecting tube and then let the disc seal the one end of detecting tube, and along with the continuation rotation of cam, behind the cam no longer extrudees the disc, thereby the disc will move towards the direction of cam under the effect of impeller and then let the disc no longer be in the one end of detecting tube and no longer seal the detecting tube.

The utility model discloses further set up to: the pushing piece comprises a hollow cylinder integrally connected with the fixed block, a second spring is arranged at the bottom of the hollow cylinder, a movable rod is fixedly connected with the second spring, one end, far away from the second spring, of the movable rod is integrally connected with an arc-shaped plate, and the arc-shaped plate is matched with the side face of the disc.

By adopting the technical scheme, the second spring has extrusion acting force on the movable rod, so that the movable rod has acting force moving towards the direction of the disc, and the movable rod drives the arc-shaped plate to extrude the disc, so that the disc is always subjected to the extrusion acting force of the arc-shaped plate.

The utility model discloses further set up to: the impeller body comprises a chassis, a bulge is arranged in the middle of the chassis, the bulge and the chassis are integrally connected with large blades, small blades are arranged between the adjacent large blades, the size of each small blade is smaller than that of each large blade, and the small blades are integrally connected to the surfaces of the bulge and the chassis.

Through adopting above-mentioned technical scheme, utilize the cooperation of big small blade, the reinforcing is to the pressurization effect of natural gas.

The utility model discloses further set up to: the large blade and the small blade incline towards the same direction, the inclined part of the large blade is positioned above the small blade, the two sides of the bottom of the large blade are provided with concave grooves, and the two sides of the bottom of the small blade are provided with concave grooves.

Through adopting above-mentioned technical scheme, design the big blade and the vanelet of unique shape, the slope shape in big blade and the vanelet, the depressed groove, the slope part of big blade are located the top of vanelet, all let big blade and vanelet have the function of carrying out the pressure boost to the natural gas.

To sum up, the utility model discloses following beneficial effect has:

1. a natural gas pipeline is arranged outside the connecting channel, natural gas enters the inside of the impeller cover along the connecting pipeline, the motor body can drive the motor rotor to rotate so as to drive the impeller body to rotate, and the natural gas in the impeller cover can be pressurized after the impeller rotates, so that the pressurized natural gas is discharged from the other end of the connecting channel, and the purpose of pressurization is achieved;

2. at present, the impeller body on the market does not use in the aspect of the natural gas pressurization to pressurized purpose can not be realized to the rotation of the impeller body on the market yet, the utility model discloses a uniquely designed impeller body to place in the inside of fuel pump, add the process to the natural gas pressurization, improve the utilization ratio and the combustion effect of natural gas, have great effect to the energy saving.

Drawings

FIG. 1 is a schematic structural diagram of a connection relationship among a controller housing, an aviation socket, a motor housing and a connection channel according to an embodiment;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic structural view showing a connection relationship between an impeller cover and a rotor of a motor in the embodiment;

FIG. 4 is a cross-sectional view of FIG. 3 with the first spring removed;

FIG. 5 is a cross-sectional view of FIG. 3;

FIG. 6 is a schematic structural diagram of another perspective of the connection relationship between the controller housing, the aviation socket, the motor housing and the connection channel according to the embodiment;

FIG. 7 is a schematic view of the impeller cover of FIG. 6 with the impeller cover removed;

FIG. 8 is a front view of the impeller body;

FIG. 9 is a top view of the impeller body;

FIG. 10 is a schematic view showing the structure of a preheating apparatus and a trash removing apparatus in the embodiment;

fig. 11 is a schematic structural view of the recovery device and the closure in the embodiment.

Reference numerals: 1. a controller housing; 2. an aviation socket; 3. a circuit board; 4. a motor housing; 5. a motor body; 6. a motor rotor; 7. an impeller cover; 8. a connecting channel; 9. an impeller body; 10. an air pressure sensor; 11. a limiting ring; 12. a limiting groove; 13. a through groove; 14. a thread groove; 15. countersunk screws; 16. a first spring; 17. a connecting pipe; 18. a heat insulating sleeve; 19. a heating block; 20. a detection tube; 21. a first stationary tube; 22. a second stationary tube; 23. a fixed block; 24. a disc; 25. accommodating grooves; 26. a micro motor; 27. a cam; 28. a cylinder; 29. a second spring; 30. a movable rod; 31. an arc-shaped plate; 32. a filter block; 33. a first filter layer; 34. a second filter layer; 35. a third filter layer; 36. a filter screen; 37. absorbent cotton; 38. oil absorbing cotton; 39. a gas permeable membrane; 40. calcium oxide; 41. a chassis; 42. a large leaf; 43. a raised portion; 44. a small blade; 45. a recessed groove.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

A fuel pump, as shown in FIGS. 1-11, includes a controller housing 1, one side of the controller housing 1 is provided with an aviation socket 2, the inside of the controller housing 1 is provided with a circuit board 3, the upside of the controller housing 1 is integrally connected with a motor housing 4, the bottom of the motor housing 4 is provided with a motor body 5, the motor body 5 includes a motor rotor 6 running through the top of the motor housing 4, the top of the motor housing 4 is connected with an impeller cover 7, the impeller cover 7 is provided with a connecting channel 8, and the motor rotor 6 is connected with an impeller body 9 inside the impeller cover 7.

An air pressure sensor 10 is arranged in the fuel pump, and the air pressure sensor 10 is connected with the motor body 5 through an electric signal.

Motor rotor 6's one end body coupling has the spacing ring 11 that encircles motor rotor 6 side, spacing ring 11 is in the inside of impeller cover 7, impeller body 9 is provided with the spacing groove 12 that is used for holding spacing ring 11 towards one side of motor casing 4, impeller body 9's middle part is provided with the through groove 13 that runs through impeller body 9 and communicate with spacing groove 12, motor rotor 6's top is provided with the thread groove 14 that distributes along motor rotor 6's axial lead direction, motor rotor 6 threaded connection has the countersunk head screw 15 that is in the thread groove 14, countersunk head screw 15's top sets up to the form of falling the ladder, countersunk head screw 15's terminal surface area is greater than the open area who runs through groove 13.

The bottom of the threaded groove 14 is provided with a first spring 16.

One side of the connecting channel 8 is connected with a preheating device; the preheating device comprises a connecting pipe 17 connected with the connecting channel 8, a heat insulation sleeve 18 is sleeved on the outer side of the connecting pipe 17, and a plurality of heating blocks 19 are arranged inside the heat insulation sleeve 18.

The recovery device comprises a detection tube 20 connected with a connecting channel 8, wherein one end of the detection tube 20 is provided with a first fixing tube 21 and a second fixing tube 22 communicated with the detection tube 20, an air pressure sensor 10 is arranged in the detection tube 20, one end of the second fixing tube 22 is communicated with the connecting channel 8, a sealing part is arranged at the joint of the first fixing tube 21 and the detection tube 20, and a sealing part is arranged at the joint of the second fixing tube 22 and the detection tube 20. The first stationary pipe 21 communicates with the outside.

The recovery device and the preheating device are distributed at both ends of the connecting channel 8.

One end of the detection tube 20 is provided with a fixed block 23, the closing piece comprises a disc 24 at the opening of the detection tube 20, the fixed block 23 is provided with an accommodating groove 25 at one side of the disc 24, a micro motor 26 is arranged in the accommodating groove 25, the micro motor 26 is connected with a cam 27, the fixed block 23 is provided with a pushing piece at one side of the disc 24, and the pushing piece always pushes the disc 24 and enables the disc 24 to have a tendency of moving towards the cam 27.

The pushing piece comprises a hollow cylinder 28 integrally connected with the fixed block 23, a second spring 29 is arranged at the bottom of the hollow cylinder 28, a movable rod 30 is fixedly connected with the second spring 29, one end, far away from the second spring 29, of the movable rod 30 is integrally connected with an arc-shaped plate 31, and the arc-shaped plate 31 is matched with the side face of the disc 24. The cleaning device comprises a hollow filter block 32, a first filter layer 33, a second filter layer 34 and a third filter layer 35 are sequentially arranged in the filter block 32, the first filter layer 33 comprises a filter screen 36, the filter screen 36 is used for filtering silt or rock particles, the second filter layer 34 comprises absorbent cotton 37 and absorbent cotton 38, the absorbent cotton 37 and the absorbent cotton 38 are layered and attached to the side wall of the filter block 32, the third filter layer 35 comprises a breathable film 39, and calcium oxide 40 is arranged on the surface of the breathable film 39. The calcium oxide 40 is used to remove hydrogen sulfide and carbon dioxide impurities from the natural gas.

The impeller body 9 comprises a base plate 41, a raised part 43 is arranged in the middle of the base plate 41, the raised part 43 and the base plate 41 are integrally connected with a large blade 42, a small blade 44 is arranged between the adjacent large blades 42, the volume of the small blade 44 is smaller than that of the large blade 42, and the small blade 44 is integrally connected with the surfaces of the raised part 43 and the base plate 41.

The large blade 42 and the small blade 44 are inclined towards the same direction, the inclined part of the large blade 42 is positioned above the small blade 44, the two sides of the bottom of the large blade 42 are provided with concave grooves 45, and the two sides of the bottom of the small blade 44 are provided with concave grooves 45.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. A fuel pump comprising a controller housing (1), characterized in that: one side of controller casing (1) is provided with aviation socket (2), the inside of controller casing (1) is provided with circuit board (3), the upside body coupling of controller casing (1) has motor casing (4), the bottom of motor casing (4) is provided with motor body (5), motor body (5) are including motor rotor (6) that run through the top of motor casing (4), the top of motor casing (4) is connected with impeller lid (7), impeller lid (7) are provided with connect the passageway (8), motor rotor (6) are connected with impeller body (9) that are in impeller lid (7) inside.

2. A fuel pump according to claim 1, characterized in that: an air pressure sensor (10) is arranged in the fuel pump, and the air pressure sensor (10) is connected with the motor body (5) through an electric signal.

3. A fuel pump according to claim 1, characterized in that: one end of the motor rotor (6) is integrally connected with a limit ring (11) surrounding the side surface of the motor rotor (6), the limiting ring (11) is positioned inside the impeller cover (7), one side of the impeller body (9) facing the motor shell (4) is provided with a limiting groove (12) for accommodating the limiting ring (11), a through groove (13) which penetrates through the impeller body (9) and is communicated with the limit groove (12) is arranged in the middle of the impeller body (9), the top of the motor rotor (6) is provided with a thread groove (14) distributed along the axial lead direction of the motor rotor (6), the motor rotor (6) is in threaded connection with a countersunk head screw (15) in a thread groove (14), the top of the countersunk head screw (15) is arranged to be in an inverted ladder shape, and the area of the end face of the countersunk head screw (15) is larger than the area of an opening penetrating through the groove (13).

4. A fuel pump according to claim 3, characterized in that: a first spring (16) is arranged at the bottom of the thread groove (14).

5. A fuel pump according to claim 1, characterized in that: one side of the connecting channel (8) is connected with a preheating device; preheating device includes connecting pipe (17) of being connected with interface channel (8), heat insulating sleeve (18) have been cup jointed in the outside of connecting pipe (17), the inside of heat insulating sleeve (18) is provided with a plurality of heating blocks (19).

6. A fuel pump according to claim 1, characterized in that: the recovery unit includes detecting tube (20) of being connected with interface channel (8), the one end of detecting tube (20) is provided with first fixed pipe (21) and the fixed pipe (22) of second with detecting tube (20) intercommunication, be provided with baroceptor (10) in detecting tube (20), the one end and the interface channel (8) intercommunication of the fixed pipe of second (22), the junction of first fixed pipe (21) and detecting tube (20) is provided with the closure, the junction of the fixed pipe of second (22) and detecting tube (20) is provided with the closure.

7. A fuel pump as claimed in claim 6, wherein: one end of the detection tube (20) is provided with a fixed block (23), the closing piece comprises a disc (24) located at the opening of the detection tube (20), the fixed block (23) is provided with an accommodating groove (25) located on one side of the disc (24), a micro motor (26) is arranged in the accommodating groove (25), the micro motor (26) is connected with a cam (27), the fixed block (23) is provided with a pushing piece located on one side of the disc (24), and the pushing piece always pushes the disc (24) and enables the disc (24) to have a tendency of moving towards the direction of the cam (27).

8. A fuel pump as claimed in claim 7, wherein: the pushing piece comprises a hollow cylinder (28) integrally connected with the fixed block (23), a second spring (29) is arranged at the bottom of the hollow cylinder (28), a movable rod (30) is fixedly connected with the second spring (29), one end, far away from the second spring (29), of the movable rod (30) is integrally connected with an arc-shaped plate (31), and the arc-shaped plate (31) is matched with the side face of the disc (24).

9. A fuel pump according to claim 1, characterized in that: the impeller body (9) comprises a chassis (41), a bulge part (43) is arranged in the middle of the chassis (41), the bulge part (43) and the chassis (41) are integrally connected with a large blade (42), a small blade (44) is arranged between the adjacent large blades (42), the volume of the small blade (44) is smaller than that of the large blade (42), and the small blade (44) is integrally connected to the surfaces of the bulge part (43) and the chassis (41).

10. A fuel pump as claimed in claim 9, wherein: big blade (42) and leaflet (44) all incline towards same direction, the slope part of big blade (42) is located the top of leaflet (44), the both sides of the bottom of big blade (42) are provided with undercut (45), the both sides of the bottom of leaflet (44) are provided with undercut (45).