Small-displacement motorcycle fuel pump assembly with adjustable oil level height

Abstract

The utility model provides a fuel pump assembly of a small-displacement motorcycle with an adjustable oil level height, which comprises an upper cover, a lower cover, an upper cover and a lower cover, the filtering unit comprises a bottom shell, a corrugated pipe communicated with the upper cover is arranged on one side of the bottom shell, and an oil suction port is formed in the other side of the bottom shell; the supporting rod is arranged between the upper cover and the bottom shell and plays a role in connecting and supporting; the oil level unit comprises an oil level support, a floater and a supporting frame arranged on the supporting rod, and the oil level support is connected to the supporting frame in a clamped mode. According to the small-displacement motorcycle fuel pump assembly with the adjustable oil level height, the oil level unit is utilized, the oil level unit is provided with the floater for detecting the oil level in the oil tank, the height and the angle of the floater can be adjusted by moving the supporting frame on the supporting rod according to the volumes of different oil tanks, and therefore the small-displacement motorcycle fuel pump assembly can adapt to the oil tanks of different sizes; and the adaptability of the fuel pump is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel pumps, in particular to a small-displacement motorcycle fuel pump assembly with adjustable oil level height. Background Art

[0002] Motorcycle fuel pumps are usually placed at the bottom of the motorcycle fuel tank. They are mainly used to continuously suck fuel from the fuel tank, filter it, adjust it to a certain pressure and amount, and supply it to the fuel system to drive the motorcycle. There are many different capacities of motorcycle fuel tanks on the market. In order to adapt to the capacity of the fuel tank during the assembly process, the oil level of the motorcycle fuel pump is often redesigned and adjusted, which increases the variety of fuel pumps and the R&D cost of the fuel pump. Utility Model Content

[0003] The utility model aims at the above-mentioned problems existing in the prior art, and aims to solve the problem that the fuel pump of a motorcycle is usually an integrated type and the oil level cannot be adjusted for tanks of the same specification but different capacities.

[0004] In order to achieve the above-mentioned purpose, the utility model can be implemented through the following technical solutions: a small-displacement motorcycle fuel pump assembly with adjustable oil level, comprising:

[0005] An upper cover, on which an oil supply pipe is arranged;

[0006] A filter unit comprises a bottom shell, one side of the bottom shell is provided with a bellows connected with the upper cover, and the other side of the bottom shell is provided with an oil suction port;

[0007] A support rod, which is arranged between the upper cover and the bottom shell and plays a connecting and supporting role;

[0008] The oil level unit comprises an oil level bracket, a float and a support frame arranged on the support rod. The oil level bracket is clamped on the support frame, and a float rod is arranged between the oil level bracket and the float.

[0009] In the embodiment of the utility model, the support frame has a support portion, and the support portion is a triangular component.

[0010] In the embodiment of the utility model, a spring is arranged between the support frame and the bottom shell.

[0011] In an embodiment of the utility model, a lower cover shell is clamped on one side of the bottom shell, a clamping column is arranged in a circular array on one side of the lower cover shell, a filter screen is arranged between the clamping columns, and a filter element connected to the filter screen is arranged in the bottom shell.

[0012] In the embodiment of the utility model, a towing rack is arranged between the lower cover shell and the bottom shell.

[0013] In the embodiment of the utility model, a clamping sleeve connected to the support rod is arranged on the upper cover, and a reinforcing rib is arranged on the clamping sleeve.

[0014] In the embodiment of the utility model, sealing rings are arranged at both ends of the bellows.

[0015] Compared with the prior art, the advantages of the present application are: utilizing an oil level unit, the oil level unit having a float for detecting the oil level in the fuel tank, and according to the size of the fuel tank capacity, the support frame on the movable support rod can adjust the height and angle of the float to adapt to fuel tanks of different sizes, thereby improving the adaptability of the fuel pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure;

[0017] Figure 2 It is a partial enlarged schematic diagram of some parts;

[0018] Figure 3 It is a schematic diagram of the exploded structure of the filter unit.

[0019] Description of reference numerals:

[0020] 1. Upper cover; 11. Oil supply pipe; 12. Mounting hole; 13. ferrule; 14. Bellows; 2. Oil level unit; 21. Float; 22. Float rod; 23. Oil level bracket; 24. Spring; 25. Support rod; 26. Support part; 27. Support frame; 3. Filter unit; 31. Bottom shell; 32. Oil suction port; 33. Filter element; 34. Bracket; 35. Filter screen; 36. Lower cover shell; 37. Column. DETAILED DESCRIPTION

[0021] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention.

[0022] like Figure 1-3 As shown, a small-displacement motorcycle fuel pump assembly with adjustable oil level height comprises:

[0023] An upper cover 1, on which an oil supply pipe 11 is arranged;

[0024] The filter unit 3 includes a bottom shell 31, one side of the bottom shell 31 is provided with a bellows 14 connected to the upper cover 1, and the other side of the bottom shell 31 is provided with an oil suction port 32;

[0025] A support rod 25, which is disposed between the upper cover 1 and the bottom shell 31 and serves as a connecting support;

[0026] The oil level unit 2 comprises an oil level support 23 , a float 21 and a support frame 27 arranged on the support rod 25 . The oil level support 23 is clamped on the support frame 27 , and a float rod 22 is arranged between the oil level support 23 and the float 21 .

[0027] Specifically, an oil supply pipe 11 is provided on the upper cover 1, and a mounting hole 12 fixed to the oil tank is opened on the upper cover 1. A bellows 14 connected to the upper cover 1 is provided on one side of the bottom shell 31 in the filter unit 3, and an oil suction port 32 is provided on the other side. A support rod 25 is provided between the upper cover 1 and the bottom shell 31 to play a connecting and supporting role. The oil level unit 2 includes an oil level bracket 23, a float 21 and a support frame 27 provided on the support rod 25. The oil level bracket 23 is clamped on the support frame 27, and a float rod 22 is provided between the oil level bracket 23 and the float 21. At least two support rods 25 are provided, and the two support rods 25 have the same size and length. When the upper cover 1 is fixed to the oil tank through the mounting hole 12, the height of the support frame 27 on the support rod 25 can be adjusted, and the support frame 27 can also be flipped to adjust its angle in the oil tank to adapt to oil tanks of different specifications.

[0028] As an embodiment further provided by the present invention, the support frame 27 has a support portion 26 , and the support portion 26 is a triangular component. The triangular structure improves the stability of the support frame 27 and also reduces the weight of the support frame 27 .

[0029] As an embodiment further provided by the present invention, a spring 24 is arranged between the support frame 27 and the bottom shell 31. Through the elastic force of the spring 24, the support frame 27 is pushed to be connected to the support rod 25, thereby improving the support for the support frame 27. One end of the support frame 27 is limited by a clamping ring, and the other end is supported by the spring 24.

[0030] As an embodiment further provided by the present invention, a lower cover shell 36 is clamped on one side of the bottom shell 31, and a clamping column 37 is arranged in a circular array on one side of the lower cover shell 36, and a filter screen 35 is arranged between the clamping columns 37. A filter element 33 connected to the filter screen 35 is arranged in the bottom shell 31. During the process of oil suction by the filter unit 3, the oil is first filtered through the filter screen 35 in advance, and then enters the filter element 33 through the oil suction port 32 for secondary filtration, thereby improving the filtering effect of the oil.

[0031] As an embodiment further provided by the present invention, a bracket is provided between the lower cover shell 36 and the bottom shell 31 , and the bracket 34 improves the supporting effect of the bottom shell 31 .

[0032] As an embodiment further provided by the present invention, the upper cover 1 is provided with a clamping sleeve 13 connected to the support rod 25, and the clamping sleeve 13 is provided with reinforcing ribs. The support rod 25 is clamped into the clamping sleeve 13, and the reinforcing ribs increase the connection stability between the upper cover 1 and the support rod 25.

[0033] As an embodiment further provided by the present invention, sealing rings are provided at both ends of the bellows 14 , and the sealing rings improve the connection sealing between the upper cover 1 and the bellows 14 and between the bottom shell 31 and the bellows 14 .

[0034] Working principle: First, fix the fuel pump on the fuel tank through the mounting hole 12 on the upper cover 1, so that the filter unit 3 is placed at the bottom of the fuel tank, and then adjust the height and angle of the support frame 27 on the support rod 25 according to the capacity of the fuel tank. Since the two support rods 25 are of the same size and length, they can be relatively Figure 2 As shown, the support frame 27 is flipped 180 degrees to better adapt to oil tanks of different specifications. The oil in the oil tank is absorbed by the filter element 33 in the bottom shell 31, and the oil is filtered through the filter screen 35. After the second filtration by the filter element 33, the oil flows out along the bellows 14 toward the oil supply pipe 11, so that the oil pump can be changed according to the capacity of the oil tank.

[0035] The technical solution of the above utility model provides a solution that is significantly different from the prior art to address the technical problem that the prior art solution is too single. The parts not involved in the technical solution of this application are the same as the prior art or can be implemented by using the prior art and will not be described in detail.

[0036] The technical solutions in the above embodiments have clearly and completely described the contents of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Claims

1. A small-displacement motorcycle fuel pump assembly with adjustable oil level, characterized in that: include: An upper cover, on which an oil supply pipe is arranged; A filter unit comprises a bottom shell, one side of the bottom shell is provided with a bellows connected with the upper cover, and the other side of the bottom shell is provided with an oil suction port; A support rod, which is arranged between the upper cover and the bottom shell and plays a connecting and supporting role; The oil level unit comprises an oil level bracket, a float and a support frame arranged on the support rod. The oil level bracket is clamped on the support frame, and a float rod is arranged between the oil level bracket and the float.

2. A small-displacement motorcycle fuel pump assembly with adjustable oil level according to claim 1, characterized in that: The support frame has a support portion, and the support portion is a triangular component.

3. A small-displacement motorcycle fuel pump assembly with adjustable oil level according to claim 1, characterized in that: A spring is arranged between the support frame and the bottom shell.

4. A small-displacement motorcycle fuel pump assembly with adjustable oil level according to claim 1, characterized in that: A lower cover shell is clamped on one side of the bottom shell, clamping columns are arranged in a circumferential array on one side of the lower cover shell, filter screens are arranged between the clamping columns, and a filter element connected to the filter screen is arranged in the bottom shell.

5. A small-displacement motorcycle fuel pump assembly with adjustable oil level according to claim 4, characterized in that: A bracket is arranged between the lower cover and the bottom shell.

6. A small-displacement motorcycle fuel pump assembly with adjustable oil level according to claim 1, characterized in that: The upper cover is provided with a clamping sleeve connected with the support rod, and the clamping sleeve is provided with reinforcing ribs.

7. A small-displacement motorcycle fuel pump assembly with adjustable oil level according to claim 1, characterized in that: Sealing rings are arranged at both ends of the corrugated pipe.

Images