Oil port structure of fuel tank of snowmobile

Abstract

The utility model discloses a snowmobile fuel tank oil port structure which comprises an oil tank body, the bottom of the oil tank body is fixed to a frame body, a seat cushion is installed on the upper portion of the oil tank body, the frame body comprises a protection plate, and the two sides of the oil tank body are fixedly connected with side wings. The frame main body is provided with an oil filling port, the oil filling port is formed in the top of the oil tank main body, the oil filling port is connected with a flow guide groove, and the flow guide groove is connected with the oil tank main body; the oil filling port is formed in the top of the oil tank main body, is exposed and has no shielding object, so that oil filling is convenient, and maintenance personnel can conveniently perform inspection and maintenance work; fuel oil enters from the oil filling port and flows into the oil tank body from the flow guide groove. The fuel tank body is arranged below the seat cushion, the free space at the bottom of the vehicle is fully utilized, the overall structure of the vehicle is optimized, more fuel can be stored, and continuity and convenience are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of snowmobile fuel tanks, in particular to an oil port structure of a snowmobile fuel tank. Background Art

[0002] The main function of a snowmobile fuel tank is to store fuel, provide a power source for the snowmobile, and ensure that the motorcycle has sufficient fuel supply during driving, thereby supporting the normal operation of the motorcycle; snowmobile fuel tanks are generally made of metal or synthetic materials to meet the requirements of lightweight, corrosion resistance and impact resistance; the structure of a snowmobile fuel tank usually includes a tank body, a tank cap, a tank switch and other parts. The design of the snowmobile fuel tank will make full use of the internal space of the tank and maximize the fuel storage capacity through a reasonable structural layout.

[0003] Since the design of snowmobiles needs to take into account their ability to travel on complex terrain, their chassis layout is often relatively compact. The design of traditional snowmobile fuel tanks usually does not fully consider the compact space layout of the snowmobile, resulting in low space utilization, limiting the snowmobile's cargo capacity and overall performance. The oil port location of some models is relatively hidden or the design is unreasonable, which may make it inconvenient to operate when adding oil.

[0004] An "arched motorcycle fuel tank" disclosed in Chinese patent literature, with publication number CN207931885U, includes a fuel tank shell with a refueling port. The fuel tank shell is an arched structure, and the refueling port is located in the middle of the fuel tank and is arranged through it. Buffer platforms are provided on both sides of the side walls of the fuel tank shell. The buffer platforms are triangular platform structures, with two buffer platforms provided on one side. The two buffer platforms are parallel to each other and arranged at an acute angle relative to each other. The overall structural design has low space utilization, and the fuel storage capacity in the fuel tank is small. Summary of the Invention

[0005] The utility model mainly solves the problems of low space utilization, small fuel storage capacity, and unreasonable oil port position setting of snowmobile fuel vehicles resulting in inconvenience in refueling, and proposes a snowmobile fuel tank oil port structure; the fuel port is exposed, which is convenient for refueling, and the design of the fuel tank position does not take up extra space.

[0006] In order to achieve the above objectives, the following technical solutions are proposed:

[0007] A fuel tank oil port structure for a snowmobile includes a fuel tank body, the bottom of the fuel tank body is fixed to a frame body, a seat cushion is installed on the upper part of the fuel tank body, the frame body includes a guard plate, and both sides of the fuel tank body are fixedly connected to the side wings; the frame body is provided with a refueling port, the refueling port is arranged at the top of the fuel tank body, the refueling port is connected to a guide groove, and the guide groove is connected to the fuel tank body.

[0008] The fuel filler port is located on the top of the fuel tank body, is exposed and has no obstructions, which improves the convenience of refueling; a sink is provided on the outer ring of the fuel filler port, and the fuel tank cap is fixedly connected to the fuel filler port through the sink; a groove is provided on the side of the sink facing the seat cushion, and a drainage groove is provided on the other side of the sink symmetrically with the groove. The retained accumulated water passes through the drainage groove, flows around the sink to the groove, and is discharged from the groove, thereby preventing the accumulated water produced by melting snow from seeping into the fuel filler port, and can effectively prevent corrosion or rust on the vehicle body; when refueling, the fuel enters from the fuel filler port, flows into the fuel tank body through the guide groove, and the fuel tank body is arranged under the seat cushion, making full use of the free space at the bottom of the vehicle, avoiding the occupation of the fuel tank by the space inside the vehicle, and having a large fuel storage capacity, ensuring that the snowmobile has sufficient fuel reserve during long-distance driving without frequent refueling; the fuel tank body is provided with an oil outlet, and the fuel flows from the oil outlet to the fuel pipeline to provide kinetic energy for the snowmobile to travel.

[0009] Preferably, the bottom of the fuel tank is connected to the frame body in a plane, the rear of the fuel tank is U-shaped, and the upper plane of the fuel tank is an arc plane, which can simplify the installation steps, improve assembly efficiency, ensure the stability of the fuel tank during driving, and effectively avoid shaking or abnormal noise caused by bumpy roads; in addition, the plane connection also optimizes the aerodynamic performance of the bottom of the vehicle body, reduces wind resistance during driving, and improves fuel economy; the U-shaped design of the rear of the fuel tank makes full use of the space, ensures the capacity of the fuel tank, and is convenient for installation with other components at the rear of the vehicle.

[0010] Preferably, the guide groove is fixedly connected to the fuel tank body along the inclination direction of the frame body to achieve effective diversion of the fuel in the fuel tank; the upper plane of the fuel tank body is provided with a lock buckle, and fixed card slots are symmetrically provided on both sides of the lock buckle for fixed connection between the fuel tank body and the seat cushion to maintain stable performance.

[0011] Preferably, the outer ring of the fuel filler port is provided with a sink, and the sink is provided with a groove on the side facing the seat cushion, which is convenient for the operator to clean the residual oil caused by fuel droplets splashing during refueling. A drainage groove is provided symmetrically with the groove on the other side of the sink. The fuel tank cap is fixedly connected to the fuel filler port through the sink. The retained accumulated water passes through the drainage groove, flows around the sink to the groove, and is discharged from the groove, thereby preventing the accumulated water caused by melting snow from penetrating into the fuel filler port. At the same time, it can effectively prevent corrosion to the vehicle body or rust.

[0012] Preferably, the fuel tank body is provided with an oil outlet, which is opened on one side of the bottom of the fuel tank and is connected to a fuel pipeline to provide kinetic energy for the snowmobile to travel.

[0013] Preferably, a boss is provided on the front side of the fuel tank body, and a slot is provided between the boss and the fuel tank body, which provides a stable support for the installation of the guard plate.

[0014] Preferably, the guard plate is V-shaped, with both sides gradually expanding along the width of the fuel tank body. The guard plate is fixed in the slot, which not only enhances the protection performance of the fuel tank, but also improves the visual beauty of the entire vehicle. When the snowmobile is driving on complex terrain or harsh environment, the guard plate can effectively prevent external impact from damaging the fuel tank and protect the safety of the fuel system.

[0015] Preferably, the frame body is provided with rolled side wings, which gradually approach the frame body from the front end, and the ends of the rolled side wings are parallel to the guard plate, further enhancing the stability of the connection between the fuel tank and the frame, and at the same time can effectively reduce the resistance encountered by the snowmobile during driving.

[0016] Preferably, the frame body is provided with a mounting lug, a fixing hole is opened on the mounting lug, and one side of the mounting lug is fixed to the boss to ensure the stability and safety of the fuel tank during driving.

[0017] Preferably, the fuel tank cap is configured to be gear-like and provided with evenly distributed convex teeth, so that the fuel tank cap is smoother and more labor-saving when opened and closed, and also increases the stability and anti-slip property when held. Even in cold conditions or when the gloves are wet, the driver can easily operate the fuel tank cap without worrying about slipping or damage.

[0018] The beneficial effects of the utility model are as follows: the fuel filler port is arranged on the top of the fuel tank body, the fuel filler port is exposed and has no obstructions, which is convenient for refueling and convenient for maintenance personnel to carry out inspection and maintenance work; the fuel enters from the fuel filler port and flows into the fuel tank body from the guide groove; the fuel tank body is located under the seat cushion, does not take up extra space, and has a large fuel storage capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] like Figure 1 The above is an overall structural diagram of the oil port structure of a snowmobile fuel tank according to the present invention.

[0020] like Figure 2 The above is a structural diagram of the main frame of a snowmobile fuel tank oil port structure according to the present invention.

[0021] like Figure 3 The above is a top view of the oil port structure of a snowmobile fuel tank according to the present invention.

[0022] like Figure 4 The above is a side view of the oil port structure of a snowmobile fuel tank according to the present invention.

[0023] like Figure 5The above is an exploded view of the oil port structure of a snowmobile fuel tank according to the present invention.

[0024] Figure numbers: fuel tank body 1; frame body 2; seat cushion 3; guard plate 4; fuel filler port 5; guide groove 6; lock buckle 7; fixing slot 8; sink 9; groove 10; drainage groove 11; fuel tank cover 12; oil outlet 13; boss 14; slot 15; rolled side wing 16; mounting lug 17; fixing hole 18. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] The specific embodiments of the present utility model are as follows.

[0027] The utility model discloses a fuel tank oil port structure for a snowmobile. Figures 1 to 5 As shown, it includes a fuel tank body 1, the bottom of the fuel tank is flat and connected to the frame body 2, the tail of the fuel tank is U-shaped, and the upper plane of the fuel tank is an arc plane; a seat cushion 3 is installed on the upper part of the fuel tank body 1, and the frame body 2 includes a guard plate 4, the guard plate 4 is V-shaped, and the two sides gradually expand along the width of the fuel tank body 1, the guard plate 4 is fixed in the slot 15, and the two sides of the fuel tank body 1 are fixedly connected to the guard plate 4; the fuel tank body 1 is provided with a refueling port 5, the refueling port 5 is provided at the top of the fuel tank body 1, and the outer ring of the refueling port 5 is provided with a sink groove 9, and the sink groove 9 faces the seat A groove 10 is provided on one side of the pad 3, and a drainage groove 11 is symmetrically provided on the other side of the sink groove 9 with respect to the groove 10. The fuel tank cover 12 is fixedly connected to the refueling port 5 through the sink groove 9; the refueling port 5 is connected to the guide groove 6, and the guide groove 6 is connected to the fuel tank body 1. The guide groove 6 is fixedly connected to the fuel tank body 1 along the inclination direction of the frame body 2. A lock buckle 7 is provided on the upper plane of the fuel tank body 1, and fixed card slots 8 are symmetrically provided on both sides of the lock buckle 7; the fuel tank body 1 is provided with an oil outlet 13, and the oil outlet 13 is opened on one side of the bottom of the fuel tank and is connected to the fuel pipeline.

[0028] The snowmobile's refueling port 5 is located on the top of the fuel tank body 1. This exposed port 5 eliminates cumbersome obstructions, making refueling more convenient. Furthermore, the port 5 is connected to a flow channel 6 that is connected to the fuel tank body 1. During refueling, fuel enters the port 5 and flows through the flow channel 6 into the fuel tank body 1. The fuel tank body 1 is located below the seat 3, fully utilizing the free space at the bottom of the vehicle and maximizing space utilization. Furthermore, positioning the fuel tank body 1 below the seat 3 optimizes the vehicle's overall structure, creating smoother, more natural body lines. This not only enhances the vehicle's aesthetic appearance but also reduces the drag coefficient, contributing to improved fuel economy and driving stability. Furthermore, the rational spatial layout provides more space for other vehicle components, enhancing driving continuity and convenience.

[0029] The fuel filler port 5 is surrounded by a trough 9, through which the fuel tank cap 12 is securely connected. A recess 10 is defined on the side of the trough 9 facing the seat cushion 3, and a drainage channel 11 is located symmetrically on the other side of the trough 9. During operation, melted snow and other liquids may accumulate around the fuel filler port 5. This drainage system quickly directs this water toward the recess 10 and drains it away, effectively preventing it from seeping into the fuel filler port 5 and potentially causing corrosion and rust. This not only extends the life of the fuel tank but also ensures stable operation in harsh environments. Furthermore, the combined design of the recess 9, recess 10, and drainage channel 11 adds a certain aesthetic appeal to the area surrounding the fuel filler port 5, creating a cleaner, more organized area and enhancing the overall quality of the vehicle. It also facilitates cleaning and maintenance of the fuel filler port 5 area by the driver or maintenance personnel, reducing potential malfunctions and safety hazards caused by accumulated water and dirt.

[0030] The bottom of the fuel tank is connected to the frame body 2 in a plane, the rear of the fuel tank is U-shaped, and the upper plane of the fuel tank is an arc plane; it can simplify the installation steps, improve assembly efficiency, ensure the stability of the fuel tank during driving, and effectively avoid shaking or abnormal noise caused by bumpy roads, providing the driver with a more stable and comfortable driving environment; in addition, the plane connection also cleverly optimizes the aerodynamic performance of the bottom of the vehicle body, and further improves the fuel economy of the vehicle by reducing wind resistance during driving; the U-shaped design of the rear of the fuel tank makes full use of the space, ensures the capacity of the fuel tank, avoids other key components at the rear of the vehicle, such as the exhaust pipe, suspension system, etc., ensures the harmonious coexistence and non-interference between the various components, and at the same time can be easily installed and debugged with other components at the rear of the vehicle, which brings convenience to the assembly and maintenance of the whole vehicle.

[0031] A boss 14 is provided on the front side of the fuel tank body 1, and a slot 15 is provided between the boss 14 and the fuel tank body 1, which provides a stable support for the installation of the guard plate 4, protects the fuel tank from external impact and corrosion, and also improves the overall aesthetics of the vehicle and reduces wind resistance; at the same time, it is convenient for the installation and removal of the guard plate 4 for daily maintenance and care; a lock buckle 7 is provided on the upper plane of the fuel tank body 1, and fixed slots 8 are symmetrically provided on both sides of the lock buckle 7 for fixed connection between the fuel tank body 1 and the seat cushion 3, ensuring the stable performance of the fuel tank during driving, reducing the noise and vibration caused by the driving of the snowmobile, and further improving the ride comfort of the entire vehicle.

[0032] The fuel tank body 1 is provided with an oil outlet 13, which is opened on one side of the bottom of the fuel tank and is connected to the fuel pipeline to provide driving kinetic energy for the snowmobile. It utilizes the natural sedimentation principle of fuel to preferentially output relatively pure fuel, reducing the impact of impurities on engine performance; at the same time, the connection between the oil outlet 13 and the fuel pipeline adopts a sealing flange to ensure that good sealing performance can be maintained under extreme climatic conditions, prevent fuel leakage, and ensure driving safety.

[0033] The guard plate 4 is V-shaped, with both sides gradually expanding along the width of the fuel tank body 1 to guide the air flow, so that when the snowmobile is traveling at high speed, the oncoming wind can be smoothly diverted along the two sides of the guard plate 4, effectively reducing the front wind resistance and improving the vehicle's fuel economy and driving stability; the guard plate 4 is fixed in the slot 15, which not only enhances the protection performance of the fuel tank, but also improves the visual beauty of the entire vehicle; when the snowmobile is traveling on complex terrain or harsh environment, the guard plate 4 can effectively prevent external impact from damaging the fuel tank and protect the safety of the fuel system; in addition, the V-shaped design of the guard plate 4 also has a certain drainage function, which can quickly guide the discharge of moisture accumulated on the surface to prevent corrosion problems caused by accumulated water, further improving the protection performance of the fuel tank.

[0034] The frame body 2 is provided with a rolled side wing 16, which gradually approaches the frame body 2 from the front end, and the end of the rolled side wing 16 is parallel to the guard plate 4, further enhancing the connection stability between the fuel tank and the frame, and can effectively reduce the resistance encountered by the snowmobile during driving. At the same time, from the front end of the rolled side wing 16 to the end of the guard plate 4, it gradually tilts downward, which helps to guide the accumulated snow to slide down, and the accumulated water after the snow melts can be quickly discharged along the water guide groove naturally formed by the rolled side wing 16 and the guard plate 4, effectively avoiding the accumulation of snow and water around the frame body 2, thereby preventing the corrosion problem caused by long-term water accumulation and extending the service life of the frame body 2.

[0035] The frame body 2 is provided with a mounting lug 17 with a fixing hole 18. One side of the lug 17 is secured to the boss 14 via an external bolt, while the other side of the lug 17 is secured to other vehicle components via external bolts through the fixing hole 18. This ensures a tight fit and stable connection between the fuel tank and the frame even in complex road conditions. This design not only enhances the tank's shock resistance, effectively reducing noise and loosening caused by vibration, but also improves the overall driving stability and safety of the snowmobile.

[0036] The fuel tank cap 12 is designed to be gear-like, with evenly distributed convex teeth. This allows the cap to slide smoothly when opening and closing, reducing friction and effectively improving operational convenience. This allows drivers or maintenance personnel to easily rotate the cap 12 when refueling or inspecting the fuel tank, completing the operation effortlessly. The convex teeth also enhance grip stability and anti-slip properties. Even in cold winter weather with slippery gloves, drivers can maintain a steady grip on the cap 12, preventing accidental slipping or damage due to slipping hands.

[0037] In summary, the present invention mainly includes a fuel tank body 1, the bottom of the fuel tank is flat and connected to the frame body 2, the tail of the fuel tank is U-shaped, and the upper plane of the fuel tank is an arc plane; a seat cushion 3 is installed on the upper part of the fuel tank body 1, and the frame body 2 includes a guard plate 4, the guard plate 4 is V-shaped, and the two sides gradually expand along the width of the fuel tank body 1, and a boss 14 is provided on the front side of the fuel tank body 1, and a groove 15 is provided between the boss 14 and the fuel tank body 1, the guard plate 4 is fixed in the groove 15, and the two sides of the fuel tank body 1 are fixedly connected to the guard plate 4; the fuel tank body 1 is provided with a refueling port 5, the refueling port 5 is provided at the top of the fuel tank body 1, and a sink groove 9 is provided on the outer ring of the refueling port 5, and the sink groove 9 faces the side of the seat cushion 3 A groove 10 is provided, and a drainage groove 11 is symmetrically provided on the other side of the sink groove 9 with respect to the groove 10. The fuel tank cap 12 is fixedly connected to the fuel filling port 5 through the sink groove 9; the fuel filling port 5 is connected to a guide groove 6, which is connected to the fuel tank body 1, and the guide groove 6 is fixedly connected to the fuel tank body 1 along the inclined direction of the frame body 2. A lock buckle 7 is provided on the upper plane of the fuel tank body 1, and fixed card slots 8 are symmetrically provided on both sides of the lock buckle 7; the fuel tank body 1 is provided with an oil outlet 13, and the oil outlet 13 is opened on one side of the bottom of the fuel tank body and is connected to the fuel pipeline. The frame body 2 is provided with a mounting lug 17, and a fixing hole 18 is provided on the mounting lug 17. One side of the mounting lug 17 is fixed to the boss 14; The frame body 1 is provided with a rolled side wing 16, which gradually approaches the frame body 1 from the front end, and the end of the rolled side wing 16 is parallel to the guard plate 4, further enhancing the connection stability between the fuel tank body 1 and the frame body 2, and at the same time can effectively reduce the resistance encountered by the snowmobile during driving; the fuel tank cover 12 is configured to be gear-like, and the fuel tank cover 12 is provided with evenly distributed convex teeth, so that the fuel tank cover 12 is smoother and more labor-saving when opening and closing.

[0038] By locating the snowmobile's refueling port 5 at the top of the fuel tank body 1, the refueling port 5 is exposed, eliminating cumbersome obstructions and improving refueling convenience. Furthermore, the refueling port 5 is connected to a flow channel 6 that is connected to the fuel tank body 1. During refueling, fuel enters the refueling port 5 and flows through the flow channel 6 into the fuel tank body 1. The fuel tank body 1 is located below the seat cushion 3, fully utilizing the free space under the vehicle and maximizing space utilization. Compared to traditional fuel tank layouts, this design not only avoids the fuel tank from occupying passenger space, creating a more spacious and comfortable interior, but also provides more volume for the fuel tank itself. Furthermore, locating the fuel tank body 1 below the seat cushion 3 optimizes the vehicle's overall structure, creating smoother, more natural lines, enhancing the vehicle's aesthetics, and reducing drag, contributing to improved fuel economy and driving stability. Furthermore, this more rational spatial layout provides more installation space and optimization opportunities for other vehicle components, improving driving continuity and convenience.

[0039] The present invention is not limited to the specific technical solutions described in the above embodiments. In addition to the above embodiments, the present invention may also have other implementation methods. For those skilled in the art, any technical solution formed by any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A fuel inlet structure for a snowmobile fuel tank, comprising a fuel tank body (1), wherein the fuel tank body (1) is fixed to a vehicle frame body (2), and a seat cushion (3) is installed above the fuel tank body (1); the vehicle frame body (2) comprises a guard plate (4), and both sides of the fuel tank body (1) are fixedly connected to the guard plate (4); the fuel tank body (1) is provided with a refueling port (5), wherein the refueling port (5) is provided at the top of the fuel tank body (1), and the refueling port (5) is connected to a guide groove (6), and the guide groove (6) is connected to the fuel tank body (1).

2. The fuel tank oil port structure of a snowmobile according to claim 1, characterized in that: The bottom of the fuel tank body (1) is connected to the vehicle frame body (2) in a plane, the tail of the fuel tank body (1) is U-shaped, and the upper plane of the fuel tank body (1) is an arc plane.

3. The fuel tank oil port structure of a snowmobile according to claim 2, characterized in that: The guide groove (6) is fixedly connected to the oil tank body (1) along the tilting direction of the vehicle frame body (2); a lock buckle (7) is provided on the upper plane of the oil tank body (1); and fixed slots (8) are symmetrically provided on both sides of the lock buckle (7).

4. A snowmobile fuel tank oil port structure according to claim 1 or 2, characterized in that: The outer ring of the refueling port (5) is provided with a sink (9), the sink (9) is provided with a groove (10) on one side facing the seat cushion (3), and a drainage groove (11) is provided on the other side of the sink (9) symmetrically with the groove (10), and the sink (9) is fixedly connected to the refueling port (5) via a fuel tank cover (12).

5. A snowmobile fuel tank oil port structure according to claim 1, 2 or 3, characterized in that: The oil tank body (1) is provided with an oil outlet (13), and the oil outlet (13) is opened on one side of the bottom of the oil tank body (1) and is connected to the fuel pipeline.

6. The fuel tank oil port structure of a snowmobile according to claim 4, characterized in that: A boss (14) is provided on the front side of the oil tank body (1), and a slot (15) is provided between the boss (14) and the oil tank body (1).

7. The fuel tank oil port structure of a snowmobile according to claim 6, characterized in that: The guard plate (4) is V-shaped, with both sides gradually expanding along the width of the oil tank body (1), and the guard plate (4) is fixed in the slot (15).

8. A snowmobile fuel tank oil port structure according to claim 1 or 2, characterized in that: The frame body (2) is provided with a rolled side wing (16), the rolled side wing (16) gradually approaches the frame body (2) from the front end, and the end of the rolled side wing (16) is parallel to the guard plate (4).

9. The fuel tank oil port structure of a snowmobile according to claim 7, characterized in that: The guard plate (4) is provided with a mounting lug (17), a fixing hole (18) is provided on the mounting lug (17), and one side of the mounting lug (17) is fixed to the boss (14).

10. The fuel tank oil port structure of a snowmobile according to claim 4, characterized in that: The fuel tank cover (12) is configured as a gear-like type, and is provided with evenly distributed convex teeth.

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