CN216788576U

CN216788576U - Fuel pump assembly of motorcycle fuel tank

Info

Publication number: CN216788576U
Application number: CN202220757274.5U
Authority: CN
Inventors: 蔡良宝; 蔡良丰; 杨奔
Original assignee: Zhejiang Shuangliang Automobile Parts Co ltd
Current assignee: Zhejiang Shuangliang Automobile Parts Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-06-21
Anticipated expiration: 2032-04-01

Abstract

The utility model relates to an engine fuel pump technical field discloses a fuel pump assembly of motorcycle oil tank, including play oil nozzle, bracing piece, pump core and pump core shell, it sets up on the flange to go out oil nozzle, it communicates through a play oil pipe to go out oil nozzle the pump core, the pump core is wrapped up its characterized in that by pump core shell: the flange passes through the bracing piece is connected the pump core shell, just the bracing piece is removable, the bracing piece is the form of buckling, the pump core passes through out oil pipe flexible coupling with the delivery nozzle. The oil tank has the advantage of being adaptable to oil tanks with different structures.

Description

Fuel pump assembly of motorcycle fuel tank

Technical Field

The utility model relates to the technical field of engine fuel pumps, in particular to a fuel pump assembly of a motorcycle fuel tank.

Background

The fuel pump is the important component of motorcycle engine, generally install in the fuel tank of motorcycle, mainly include the filter screen, go out the oil nozzle, the pump core with connect the electric mouth, pump core intercommunication oil nozzle, go out oil nozzle intercommunication engine oil inlet nozzle, the electricity mouth is connected to the inside motor of pump core, and supply power by connecing the electric mouth, the filter screen sets up between pump core and oil nozzle, filter fuel, connect the oil tank through the oil inlet nozzle, the engine is connected to the oil nozzle, provide fuel for the engine, the fuel pump operation back, the working chamber volume of the oil inlet one side of pump core can constantly increase, and then form the low pressure and inhale oil chamber, make petrol in being inhaled the working chamber behind the oil inlet. On the side of the oil outlet of the opposite pump core, the volume of the working cavity is gradually reduced to form a high-pressure oil cavity, and finally, under the action of pressure, gasoline flows out of the oil outlet of the pump core from the oil pressing cavity.

For engines of different types, the internal structure of the fuel pump has certain difference, the fuel pump is arranged in the fuel tank of the engine, at present, the fuel tank of the motorcycle has multiple types, the structure of the fuel tank is changed along with the change of the motorcycle type, the fuel tank of each type corresponds to one fuel pump, the fuel pump is not convenient to replace, and the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fuel pump assembly of a motorcycle fuel tank, which is suitable for fuel tanks with different structures.

In order to achieve the purpose, the utility model provides a fuel pump assembly of a motorcycle fuel tank, which comprises an oil outlet nozzle, a support rod, a pump core and a pump core shell, wherein the oil outlet nozzle is arranged on a flange and is communicated with the pump core through an oil outlet pipe, and the pump core is wrapped by the pump core shell, and the fuel pump assembly is characterized in that: the flange passes through the bracing piece is connected the pump core shell, just the bracing piece is removable, the bracing piece is the form of buckling, the pump core passes through out oil pipe flexible coupling with the delivery nozzle.

Furthermore, the bending angle of the supporting rod is set between 0 and 180 degrees.

In order to prolong the service life of the engine, the fine filter is arranged between the oil outlet nozzle and the oil outlet pipe, and the fine filter is fixed on the flange.

For vibration/noise reduction, the pump core further comprises a vibration-reducing structure, and one end of the support rod is connected to the pump core shell through the vibration-reducing structure.

Further, shock-absorbing structure includes connecting block, go-between and damper rib, the bracing piece can be dismantled and connect on the connecting block, the connecting block is connected the go-between, the go-between passes through damper rib and connects the pump core shell.

Preferably, the shock-absorbing structure comprises 2 or more than 2 shock-absorbing ribs, and the shock-absorbing ribs are uniformly distributed on the connecting ring.

Further realize the installation, the junction of oil outlet nozzle and flange sets up the connector, supplies the oil inlet of adaptation oil tank.

In order to detect the fuel oil use condition, the fuel oil level sensor is arranged between the pump core and the flange and is detachably connected to the middle part or the end part of the supporting rod.

In order to prevent the pressure of the pump core from being overlarge, the oil outlet pipe also comprises a pressure regulating valve, and the pressure regulating valve is detachably arranged between the pump core and the oil outlet pipe.

Has the advantages that: the utility model provides a fuel pump assembly of a motorcycle fuel tank, wherein an oil outlet nozzle, a fine filter and an electric connection port are arranged on a flange as a whole and are connected to a pump core shell through a detachable support rod, and the connection direction of the oil outlet nozzle and the fuel tank is changed to match with the flexible connection of an oil outlet pipe only by changing the shape of the support rod and adjusting the bending angle, so that the fuel pump assembly is adaptive to fuel tanks with different structures; the fine filtering and pressure regulating valve oil level sensor is arranged between the pump core and the flange, the spare space between the pump core and the flange is effectively utilized, the whole assembly is compact in structure after the shape is changed, the whole assembly is not expanded outwards, the space occupancy rate is low, and the space between the pump core and the flange is fully utilized, and the whole assembly is gathered into a whole and is adaptive to inner cavities of oil tanks in various shapes; meanwhile, the supporting rod is connected with the pump core through a damping structure, and the damping and noise reduction functions are achieved.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a front view of FIG. 1;

FIG. 5 is a schematic structural view of example 2 of the present invention;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5;

fig. 7 is a side view of fig. 5.

Reference numerals: 1. a filter screen; 2. an oil outlet nozzle; 3. a support bar; 4. an electric connection port; 5. a pump core; 6. a pump core housing; 7. a flange; 8. an oil outlet pipe; 9. fine filtering; 10. a connecting member; 11. a connector; 12. a female head; 13. a sub-head; 14. a shock-absorbing structure; 15. connecting blocks; 16. a connecting ring; 17. a shock absorbing rib; 18. an oil level sensor; 19. a pressure regulating valve.

Detailed Description

The following detailed description of the embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and modifications made to the utility model without departing from the principle of the utility model fall within the scope of the claims of the present invention.

Example 1

As shown in fig. 1-4, a fuel pump assembly of a motorcycle fuel tank is used for supplying fuel to an engine, the fuel pump assembly is arranged inside the fuel tank of the motorcycle and is communicated with the engine through a pipeline to pump the fuel to the engine, and is applied to engines of motorcycles of various models, the fuel pump assembly comprises a filter screen 1, a fuel outlet 2, a support rod 3, an electric connection port 4, a pump core 5 and a pump core shell 6, the pump core 5 is wrapped by the pump core shell 6, the pump core shell 6 plays a role in supporting and stabilizing, the fuel outlet 2 and the electric connection port 4 are arranged on the same surface of a flange 7, the fuel outlet 2 is communicated with the pump core 5 through a fuel outlet pipe 8, the pump core 5 is positioned below the flange 7, the pump core 5 is communicated with the filter screen 1, the filter screen 1 is connected to the pump core shell 6 through a buckle, the flange 7 is connected to the pump core shell 6 through the support rod 3 by a nut, the bracing piece 3 is the form of buckling, and its angle of buckling is 105 degrees, pump core 5 passes through 8 flexible couplings in the oil outlet 2.

Set up the essence between play oil pipe 8 and the play oil nozzle 2 and strain 9, the essence is strained 9 and is fixed on the flange 7, be located play oil nozzle 2 and connect the opposite face of electric mouth 4, set up connecting piece 10 on the flange 7, connecting piece 10 also is located play oil nozzle 2 and connect the opposite face of electric mouth 4, and connecting piece 10 will 9, bracing piece 3 and flange 7 link together in the essence, connecting piece 10 passes through the nut and connects the one end of

bracing piece

3, 3 other end nuts of bracing piece are connected pump core shell 6, the fuel passes through the pump core 5 pump is gone into carry out the secondary filter back in the essence is strained 9, reentrant engine improves the fuel cleanliness factor, increases engine life.

A connector 11 is arranged at the joint of the oil outlet nozzle 2 and the flange 7, the connector 11 is a female head 12 or a male head 13 so as to correspond to the male head 13 or the female head 12 on the oil tank, the female head 12 or the male head 13 is detachably connected between the oil outlet nozzle 2 and the flange 7, and if the male head 13 is adopted as an oil inlet of the oil tank, the female head 12 is sleeved on the oil outlet nozzle 2; on the contrary, the oil tank oil inlet adopts female head 12, and what 2 covers of glib was established is then sub-head 13, female head 12 blocks sub-head 13, avoids droing to supply the oil inlet of adaptation oil tank, be favorable to realizing the installation.

In order to detect the change of the oil level and reasonably arrange the position, an oil level sensor 18 is further arranged, the oil level sensor 18 is positioned between the pump core 5 and the flange 7, particularly arranged in the middle of the support rod 3, the space is fully utilized, and the proportion of the fuel pump in a fuel tank is reduced.

In order to prevent the pressure in the pump core 5 from being too high, a pressure regulating valve 19 is provided, and the pressure regulating valve 19 is connected to the upper part of the pump core 5 through a buckle and communicated with the pump core 5 to control the pressure in the pump core 5.

Example 2

As shown in fig. 5 to 7, the multifunctional fuel pump assembly of a motorcycle fuel tank according to embodiment 1 is further provided with a shock-absorbing structure 14, and one end of the support rod 3 is connected to the pump core housing 6 through the shock-absorbing structure 14, and the other end is connected to the flange 7.

Damping structure 14 includes connecting block 15, go-between 16 and shock attenuation muscle 17, bracing piece 3 passes through the nut and is in the recess of connecting block 15, connecting block 15 connects on the 16 outer rings of go-between, the 16 inner rings of go-between pass through shock attenuation muscle 17 and connect pump core shell 6, the 16 inner rings of go-between are connected through 3 shock attenuation muscle 17 with 6 lateral surfaces of pump core shell, 3 shock attenuation muscle 17 evenly distributed are in on 16 and the pump core shell 6 of go-between.

The fuel level sensor 18 is positioned between the pump core 5 and the flange 7, is particularly arranged at the end part of the support rod 3 and is fixed on the connecting piece 10, so that the space is fully utilized, and the occupation ratio of the fuel pump in a fuel tank is reduced.

The working principle is as follows: the utility model is installed in an engine oil tank, fuel enters the pump core 5 after being filtered for the first time by the filter screen 1, and is pumped into the fine filter 9 by the pump core 5, and is pumped out from the oil outlet nozzle 2 after being filtered for the second time and is pumped into the engine by the oil tank; through changing the angle of buckling on the bracing piece 3 for use flange 7 is the main part the oil outlet 2 can adapt different engine oil tanks with connecing electric port 4.

Claims

1. The utility model provides a fuel pump assembly of motorcycle oil tank, includes oil outlet nozzle (2), bracing piece (3), pump core (5) and pump core shell (6), oil outlet nozzle (2) set up on flange (7), oil outlet nozzle (2) are through going out oil pipe (8) intercommunication pump core (5), pump core (5) are wrapped up its characterized in that by pump core shell (6): the flange (7) is passed through bracing piece (3) are connected pump core shell (6), just bracing piece (3) are removable, bracing piece (3) are the form of buckling, pump core (5) are through going out oil pipe (8) flexible coupling with oil outlet nozzle (2).

2. A fuel pump assembly for a motorcycle fuel tank as set forth in claim 1, wherein: the bending angle of the supporting rod (3) is set between 0 and 180 degrees.

3. A fuel pump assembly for a motorcycle fuel tank as claimed in claim 1 or 2, wherein: a fine filter (9) is arranged between the oil outlet nozzle (2) and the oil outlet pipe (8), and the fine filter (9) is fixed on the flange (7).

4. A fuel pump assembly for a motorcycle fuel tank as set forth in claim 3, wherein: the pump core is characterized by further comprising a damping structure (14), and one end of the supporting rod (3) is connected to the pump core shell (6) through the damping structure (14).

5. A fuel pump assembly for a motorcycle fuel tank as set forth in claim 4, wherein: shock-absorbing structure (14) are including connecting block (15), go-between (16) and shock attenuation muscle (17), bracing piece (3) can be dismantled and connect and be in on connecting block (15), connecting block (15) are connected go-between (16), go-between (16) are connected through shock attenuation muscle (17) pump core shell (6).

6. A fuel pump assembly for a motorcycle fuel tank as set forth in claim 5, wherein: the shock absorption structure (14) comprises 2 or more than 2 shock absorption ribs (17), and the shock absorption ribs (17) are uniformly distributed on the connecting ring (16).

7. A fuel pump assembly for a motorcycle fuel tank as claimed in claim 1, 2, 4, 5 or 6, wherein: the joint of the oil outlet nozzle (2) and the flange (7) is provided with a connector (11) for adapting to an oil inlet of an oil tank.

8. A fuel pump assembly for a motorcycle fuel tank as set forth in claim 7, wherein: the oil level sensor (18) is arranged between the pump core (5) and the flange (7), and is detachably connected to the middle or the end of the supporting rod (3).

9. A fuel pump assembly for a motorcycle fuel tank as claimed in claim 1, 2, 4, 5, 6 or 8 wherein: the pressure regulating valve (19) is detachably arranged on the upper portion of the pump core (5), is communicated with the pump core (5) and controls the internal pressure of the pump core (5).