Auxiliary fuel tank of motorcycle

Abstract

The utility model relates to an auxiliary fuel tank of a motorcycle, which belongs to the technical field of motorcycle equipment and comprises two auxiliary fuel tanks, each auxiliary fuel tank comprises a fuel tank body, the top of each fuel tank body is provided with an oil filling port, the oil filling port is located at the head end of the fuel tank body, and the outside of each oil filling port is in threaded connection with a fuel tank cover; an oil outlet is formed in the tail end of the oil tank body; an air inlet and outlet hole is formed in the oil tank body; the auxiliary fuel tank body is designed according to the appearance of a rear frame and a rear wheel of the motorcycle, adopts a mode that the front end is narrow and the rear end is wide, can be tightly attached to a motorcycle body and is not exposed, ensures that the appearance of the motorcycle is not greatly changed as much as possible after the motorcycle is installed, and avoids fuel leakage accidents caused by collision of foreign objects to the motorcycle after the motorcycle topples over.

Description

Technical Field

[0001] The utility model relates to an auxiliary oil tank for a motorcycle, belonging to the technical field of motorcycle equipment. Background Art

[0002] The fuel supply system of a motorcycle usually consists of a fuel tank, a fuel pump, fuel lines and injectors. In this system, the fuel tank is responsible for storing fuel, the fuel pump delivers fuel to the injectors through fuel lines, and the injectors control the injection amount and timing according to the engine's operating status and the throttle opening to ensure the normal operation of the engine. However, the capacity of traditional fuel tanks is limited. For motorcycle riders who ride long distances or travel to remote areas, they may need to refuel frequently while riding, which not only affects the convenience of riding, but also may bring safety hazards.

[0003] According to the double fuel tank, integrated double fuel tank and urea tank assembly disclosed in Chinese invention patent CN113427999B, the present application discloses a double fuel tank, integrated double fuel tank and urea tank assembly, belonging to the field of automobile parts; the double fuel tank assembly comprises: a fuel tank shell, the fuel tank shell forms a cavity, the fuel tank shell comprises an upper shell region at the top, a middle shell region at the middle and a lower shell region at the bottom; a middle grid rib structure is arranged in the cavity corresponding to the height region of the middle shell, the middle grid rib structure divides the middle part of the cavity into a plurality of middle grid cavities, the middle grid cavities are not connected in radial direction, the middle grid rib structure comprises a first middle grid cavity group and a second middle grid cavity group which are not connected to each other, a first oil through port is arranged at the bottom end of the first middle grid cavity group to be connected to each other to form a first fuel cavity, a second oil through port is arranged at the bottom end of the second middle grid cavity group to be connected to each other to form a second fuel cavity, and the first fuel cavity and the second fuel cavity are connected through a steering valve.

[0004] The double fuel tank, integrated double fuel tank and urea tank assembly occupies a large volume during use, and the fuel tank is exposed during use, which is easy to collide with external objects and cause oil leakage accidents. Utility Model Content

[0005] The technical problem to be solved by the utility model is that: the auxiliary oil tank body is designed according to the shape of the rear frame and the rear wheel of the motorcycle, and is narrow at the front end and wide at the rear end, so that it can fit the vehicle body tightly without being exposed, and ensure as much as possible that the appearance of the motorcycle does not change significantly after installation, and avoid oil leakage accidents caused by the collision of foreign objects on the motorcycle after the motorcycle falls over.

[0006] The utility model discloses a motorcycle auxiliary oil tank, comprising two auxiliary oil tanks, wherein the auxiliary oil tank comprises an oil tank body, an oil filling port is arranged on the top of the oil tank body, the oil filling port is located at the head end of the oil tank body, and an oil tank cap is connected to the outside of the oil filling port through a thread;

[0007] An oil outlet is provided at the end of the oil tank body;

[0008] The middle part of the oil tank body is provided with air inlet and outlet holes.

[0009] Furthermore, it also includes a side bracket, and the side bracket and the bottom of the fuel tank body are provided with two support plates, and the side bracket and the fuel tank body are connected through the support plates;

[0010] At least three welding nut seats are connected to the top of the fuel tank body, and a plurality of fixing holes are provided on the welding nut seats;

[0011] The side bracket is in an inverted L shape as a whole, and a flat plate I is welded on the top of the side bracket. The flat plate I is connected to the welding nut seat through standard parts.

[0012] Furthermore, the fuel tank body is narrow at the front end and wide at the rear end, the inner side of the fuel tank body and the outer side of the fuel tank body form a specified angle, and the angle range between the inner side of the fuel tank body and the outer side of the fuel tank body is 2°-10°.

[0013] Furthermore, the oil outlet end is connected to the oil delivery elbow pipe, and the bent section of the oil delivery elbow pipe is arranged inwardly.

[0014] Furthermore, a bulge is provided on the top of the fuel tank body, and the bulge is used to hide the welding nut seat at the upper end of the fuel tank body.

[0015] Furthermore, a limiting groove is provided on the top of the fuel tank body.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model discloses an auxiliary fuel tank for motorcycles. The auxiliary fuel tank body is designed according to the shape of the rear frame and rear wheel of the motorcycle. The front end is narrow and the rear end is wide. The auxiliary fuel tank body can fit the vehicle body tightly without being exposed. The appearance of the motorcycle after installation is ensured to be unchanged as much as possible, and oil leakage accidents caused by collision of foreign objects with the motorcycle after the motorcycle falls over can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the first embodiment of the utility model;

[0019] Figure 2 It is a top view of the first embodiment of the utility model;

[0020] Figure 3 It is a three-dimensional diagram of the embodiment 1 of the utility model after the fuel tank body and the side bracket are installed;

[0021] Figure 4 This is a three-dimensional diagram of the fuel tank body, the side bracket and the motorcycle after installation in the first embodiment of the utility model;

[0022] Figure 5This is a three-dimensional diagram of the second embodiment of the utility model after the fuel tank, the side bracket and the fixing plate are installed;

[0023] Figure 6 This is a three-dimensional diagram of the fuel tank, side bracket, fixing plate and motorcycle of the second embodiment of the utility model after installation;

[0024] Figure 7 This is a three-dimensional diagram of the third embodiment of the utility model after the fuel tank body and the side bracket are installed;

[0025] Figure 8 This is a front view of the third embodiment of the utility model after the fuel tank body and the side bracket are installed;

[0026] Fig. 9 It is the front view and the front view of the main shape of the fuel tank of the fourth embodiment of the utility model;

[0027] Fig.10 This is a front view of the fourth embodiment of the utility model after the fuel tank body is installed on the motorcycle;

[0028] In the figure: 1. Auxiliary fuel tank; 2. Side rack; 3. Motorcycle;

[0029] 11. Fuel tank body; 12. Fuel filling port; 13. Fuel tank cap; 14. Fuel outlet; 15. Air inlet and outlet holes; 16. Support sheet; 17. Welding nut seat; 18. Fuel delivery elbow;

[0030] 111, convex block; 112, limiting groove; 113, arc hole;

[0031] 171, fixing hole;

[0032] 21. Plate I; 22. Plate II. DETAILED DESCRIPTION

[0033] Embodiment 1

[0034] like Figures 1 to 10 As shown, a motorcycle auxiliary oil tank of the utility model comprises two auxiliary oil tanks 1, wherein the auxiliary oil tank 1 comprises an oil tank body 11, an oil filling port 12 is provided on the top of the oil tank body 11, the oil filling port 12 is located at the head end of the oil tank body 11, and an oil tank cap 13 is connected to the outside of the oil filling port 12 by threads;

[0035] An oil outlet 14 is provided at the end of the oil tank body 11;

[0036] An air inlet and outlet hole 15 is provided in the middle of the oil tank body 11 .

[0037] The auxiliary fuel tank 1 is used to store gasoline required by the motorcycle 3. The fuel tank body 11 can be provided with a filling port 12, a fuel outlet 14 and air inlet and outlet holes 15; the filling port 12 is used to pour gasoline into the fuel tank body 11 from the outside, the fuel outlet 14 is used to input the gasoline in the fuel tank body 11 into the motorcycle 3, the air inlet and outlet holes 15 are used to discharge bubbles after the filling port 12 enters the fuel tank body 11, and the fuel tank cover 13 is used to seal the fuel tank body 11 after filling, so as to prevent gasoline from spilling out of the fuel tank body 11 during use.

[0038] like Figure 1 As shown, as an optimization, it also includes a side bracket 2, and the side bracket 2 and the bottom of the fuel tank body 11 are provided with two support plates 16, and the side bracket 2 and the fuel tank body 11 are connected through the support plates 16;

[0039] At least three welding nut seats 17 are connected to the top of the oil tank body 11, and the welding nut seats 17 are provided with a plurality of fixing holes 171;

[0040] The side bracket 2 is in an inverted L shape as a whole. A flat plate Ⅰ21 is welded on the top of the side bracket 2. The flat plate Ⅰ21 is connected to the welding nut seat 17 through standard parts.

[0041] The side bracket 2 is used to protect the fuel tank body 11, so as to prevent the fuel tank body 11 from rubbing against foreign objects during use, thereby damaging the fuel tank body 11 and causing oil leakage; at the same time, the side bracket 2 can also be used to provide a bag for carrying goods; the support sheet 16 is used to connect the side bracket 2 and the fuel tank body 11, so as to fix the position of the side bracket 2;

[0042] The welding nut seat 17 provides a hard connector, and the fixing hole 171 on the connector can fix the top of the side bracket 2 to prevent the side bracket 2 from falling during use;

[0043] The side bracket 2 is in an inverted L shape as a whole. A flat plate Ⅰ21 is welded on the top of the side bracket 2. The flat plate Ⅰ21 is connected to the welding nut seat 17 through standard parts, so as to prevent the side bracket 2 from flying out during use.

[0044] like Figure 2 As shown, as an optimization, the fuel tank body 11 is narrow at the front end and wide at the rear end, the inner side surface of the fuel tank body 11 and the outer side surface of the fuel tank body 11 are at a specified angle, and the angle range between the inner side surface of the fuel tank body 11 and the outer side surface of the fuel tank body 11 is 2°-10°.

[0045] As an optimization, the angle between the inner side surface of the fuel tank body 11 and the outer side surface of the fuel tank body 11 can be 2°, 6° or 10°.

[0046] like Figure 1 As shown, as an optimization, the oil outlet 14 is connected to the oil delivery elbow 18, and the bent section of the oil delivery elbow 18 is arranged inward.

[0047] The oil delivery elbow 18 is used to provide a mounting structure for an external oil delivery hose, and the bent section of the oil delivery elbow 18 is arranged inwardly to avoid friction with external structures during the oil delivery process.

[0048] like Figure 1 , Figure 2 , Figure 3 and Fig. 9 As shown, as an optimization, a limiting groove 112 is further provided on the top of the oil tank body 11 .

[0049] The limiting groove 112 avoids collision with the rope hanging rod protruding from the rear seat of the motorcycle 3, and plays a role of giving way.

[0050] Embodiment 2

[0051] like Figure 5 and Figure 6 As shown, in the auxiliary fuel tank of a motorcycle described in the utility model, the side bracket 2 is separated from the flat plate II 22, and the flat plate II 22 is connected to the fixing plate welding nut seat 17 through standard parts.

[0052] The flat plate II 22 is a separate structure that can beautify the overall structure. At the same time, later maintenance only requires replacing a single component.

[0053] like Figure 7 and Figure 8 As shown, the utility model describes a motorcycle auxiliary fuel tank 1, comprising two auxiliary fuel tanks 1, wherein the auxiliary fuel tank 1 comprises a fuel tank body 11, the front end of the fuel tank body 11 is designed to be inclined, and an oil outlet 14 and an air inlet and outlet hole 15 are arranged on the inclined surface to facilitate the installation of oil pipes and air pipes.

[0054] like Figure 8 As shown, as an optimization, a protrusion 111 is provided on the top of the fuel tank body 11 , and the protrusion 111 is used to hide the welding nut seat 17 at the upper end of the fuel tank body 11 .

[0055] Embodiment 4

[0056] like Fig. 9 and Fig.10 As shown, in the utility model, a motorcycle 3 auxiliary fuel tank 1 is provided, in order to make the auxiliary fuel tank 1 mounted on the motorcycle 3 more concealed and beautiful, an arc-shaped hole 113 is provided at the lower end of the fuel tank body 11 to fit the outer contour of the rear wheel of the motorcycle 3.

[0057] like Fig.10 As shown, as an optimization, it can be seen that the rear wheel of the motorcycle 3 is perfectly matched with the arc hole 113.

[0058] Working process or working principle:

[0059] The auxiliary fuel tank 1 and the side bracket 2 are pre-installed using standard parts. Gasoline is injected into the tank body 11 through the oil filling port 12 via the oil delivery elbow 18. The bubbles generated by the injected gasoline are discharged through the air inlet and outlet holes 15. After the oil filling is completed, the tank body 11 is sealed by tightening the tank cap 13.

[0060] The description of the direction and relative position relationship of the structure in the present invention, such as the description of front, back, left, right, up, and down, does not constitute a limitation of the present invention, but is only for the convenience of description.

Claims

1. A motorcycle auxiliary fuel tank, characterized in that: The auxiliary oil tank (1) comprises two auxiliary oil tanks (1), wherein the auxiliary oil tank (1) comprises an oil tank body (11), an oil filling port (12) is provided on the top of the oil tank body (11), the oil filling port (12) is located at the head end of the oil tank body (11), and an oil tank cap (13) is connected to the outside of the oil filling port (12) via threads; An oil outlet (14) is provided at the end of the oil tank body (11); An air inlet and outlet hole (15) is provided in the middle of the oil tank body (11).

2. The motorcycle auxiliary fuel tank according to claim 1, characterized in that: It also includes a side bracket (2), the side bracket (2), and two support plates (16) are provided at the bottom of the fuel tank body (11), and the side bracket (2) and the fuel tank body (11) are connected via the support plates (16); At least three welding nut seats (17) are connected to the top of the oil tank body (11), and the welding nut seats (17) are provided with a plurality of fixing holes (171); The side bracket (2) is in an inverted L shape as a whole. A flat plate I (21) is welded on the top of the side bracket (2). The flat plate I (21) is connected to the welding nut seat (17) through standard parts.

3. The motorcycle auxiliary fuel tank according to claim 2, characterized in that: The oil tank body (11) is narrow at the front end and wide at the rear end, and the inner side surface of the oil tank body (11) and the outer side surface of the oil tank body (11) form a specified angle, and the angle range between the inner side surface of the oil tank body (11) and the outer side surface of the oil tank body (11) is 2°-10°.

4. The motorcycle auxiliary fuel tank according to claim 3, characterized in that: The oil outlet (14) end is connected to an oil delivery elbow (18), and the bent section of the oil delivery elbow (18) is arranged inwards.

5. The motorcycle auxiliary fuel tank according to claim 4, characterized in that: A convex block (111) is provided on the top of the oil tank body (11), and the convex block (111) is used to hide the welding nut seat (17) at the upper end of the oil tank body (11).

6. The motorcycle auxiliary fuel tank according to claim 5, characterized in that: A limiting groove (112) is also provided on the top of the oil tank body (11).

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