Oil stop valve for oil tank opening

Abstract

An oil stop valve for an oil tank port belongs to the technical field of oil tank accessories. Comprising a plugging assembly arranged on the oil filling port, an elastic assembly and a connecting assembly, the plugging assembly is arranged on the lower side of the oil filling port, the elastic assembly is arranged between the oil filling port and the plugging assembly and pushes the plugging assembly to seal the bottom of the oil filling port, and the connecting assembly is arranged on the outer side of the oil filling port. According to the oil stop valve for the oil tank opening, the connecting assembly is conveniently connected with an oil tank, during oil filling, added fuel pushes the plugging assembly to be opened so that the fuel can enter the oil tank, and after oil filling is completed, the elastic assembly pushes the plugging assembly to seal the oil filling opening so that the oil filling opening can be communicated in a one-way mode; and when the fuel oil in the oil tank shakes to the lower side of the oil filling port, the plugging assembly is pushed again to seal the bottom of the oil filling port, the fuel oil is prevented from leaking from the oil filling port, potential safety hazards caused by fuel oil leakage are eliminated, and lubricating oil filling of the oil tank is not hindered.

Description

Technical Field

[0001] The utility model relates to an oil check valve at an oil tank opening, belonging to the technical field of oil tank accessories. Background Art

[0002] Snowmobiles are vehicles designed for use on snow or other slippery surfaces. They are usually equipped with wide tracks and powerful engines to provide good traction and travel on snow. Such vehicles are widely used in winter sports, snow rescue, forestry and snow patrol.

[0003] Snowmobiles are usually driven by internal combustion engines. The fuel tank of a snowmobile is installed in the middle of the snowmobile. Snowmobiles are driving on very poor roads and the bumps are very severe. Therefore, the fuel in the tank often flows to the refueling port, which can easily cause fuel leakage and lead to safety hazards. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a tank port oil check valve which can automatically open when refueling and seal the bottom of the refueling port when not refueling to prevent the fuel in the tank from leaking through the refueling port.

[0005] The technical solution adopted by the utility model to solve its technical problem is: the tank port oil stop valve includes a sealing component, an elastic component and a connecting component arranged on the fuel filling port, the sealing component is arranged on the lower side of the fuel filling port, the elastic component is arranged between the fuel filling port and the sealing component, and pushes the sealing component to close the bottom of the fuel filling port, and the connecting component is arranged on the outer side of the fuel filling port.

[0006] Preferably, the sealing assembly includes a sealing plate, which is hinged to one side of the fuel filling port.

[0007] Preferably, a mounting groove is provided on one side of the refueling port, and a mounting shaft is provided on one side of the sealing plate, and the mounting shaft is rotatably installed in the mounting groove.

[0008] Preferably, the elastic component includes an elastic pressure plate, the upper end of which is fixedly connected to the fuel filler port, and a support platform matched with the elastic pressure plate is provided on the sealing component, and the elastic pressure plate pushes the sealing component to close the fuel filler port through the support platform.

[0009] Preferably, a connecting piece and a locking plate are installed on the outer side of the fuel filling port, the bottom of the connecting piece is bent upward, and a locking groove with an upward opening is formed at the bottom of the connecting piece, the locking plate extends into the locking groove, and the upper end of the elastic pressure plate is fixedly connected to the lower end of the connecting piece.

[0010] Preferably, the connecting assembly comprises a barb, which is mounted on the outer wall of the fuel filler port.

[0011] Preferably, a clearance opening is arranged on the outer wall of the refueling port, and the clearance opening is arranged opposite to the barb.

[0012] Preferably, the connecting assembly further comprises a limit platform arranged on the outer wall of the fuel filling port.

[0013] Preferably, the limiting platform is arranged directly above the barb.

[0014] Preferably, it further comprises a guide plate, which is fixedly connected to one side of the bottom of the fuel filling port, and the bottom of the guide plate is inclined toward the direction close to the middle of the fuel filling port.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The connecting component of the tank port oil check valve is convenient for connecting to the fuel tank. When refueling, the added fuel pushes the blocking component to open to allow the fuel to enter the fuel tank. After refueling is completed, the elastic component pushes the blocking component to close the fuel filling port, so that the fuel filling port is unidirectional. When the fuel in the fuel tank sways to the lower side of the fuel filling port, it will push the blocking component again to close the bottom of the fuel filling port, avoiding fuel leakage from the fuel filling port, thereby eliminating the safety hazard caused by fuel leakage, and does not hinder the filling of lubricating oil into the fuel tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the oil check valve at the oil tank port;

[0018] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0019] Figure 3 It is a schematic diagram of the main view of the oil check valve at the oil tank port;

[0020] Figure 4 for Figure 3 A partial enlarged view of point B in the middle.

[0021] In the figure: 1. refueling port; 2. guide plate; 3. barb; 4. elastic pressure plate; 5. sealing plate; 6. mounting shaft; 7. limit platform; 8. clearance port; 9. mounting groove; 10. support platform; 11. connecting piece; 12. locking groove; 13. locking plate. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with specific embodiments. However, people familiar with the art should understand that the detailed description given here in conjunction with the drawings is for better explanation, and the structure of the present invention necessarily exceeds these limited embodiments. For some equivalent replacement schemes or common means, they are no longer described in detail herein, but still fall within the scope of protection of the present application.

[0023] Figures 1 to 4 It is the best embodiment of the utility model, and the following Figures 1 to 4 The utility model is further described.

[0024] The tank port oil check valve comprises a plugging component, an elastic component and a connecting component arranged on the fuel port 1. The plugging component is arranged at the lower side of the fuel port 1. The elastic component is arranged between the fuel port 1 and the plugging component and pushes the plugging component to close the bottom of the fuel port 1. The connecting component is arranged at the outer side of the fuel port 1. The connecting component of the tank port oil check valve is convenient to be connected with the fuel tank. When refueling, the added fuel pushes the plugging component to open so that the fuel enters the fuel tank. After refueling, the elastic component pushes the plugging component to close the fuel port 1 so that the fuel port 1 realizes unidirectional conduction. When the fuel in the fuel tank sways to the lower side of the fuel port 1, it will push the plugging component again to close the bottom of the fuel port 1, thereby preventing the fuel from leaking from the fuel port 1, thereby eliminating the potential safety hazard caused by the fuel leakage, and does not hinder the filling of lubricating oil into the fuel tank.

[0025] Specifically, Figure 1-4 As shown, the fuel filler port 1 is cylindrical, and an outer flange is provided at the upper end of the fuel filler port 1 to facilitate the installation of the fuel tank cap.

[0026] The connection assembly includes a barb 3 and a limit platform 7 arranged on the outer wall of the fuel filler port 1. The limit platform 7 is arranged on the upper part of the fuel filler port 1. When the fuel filler port 1 is installed in the fuel tank 1, the limit platform 7 cooperates with the limit port on the fuel tank 1 to ensure that the fuel filler port 1 is installed accurately. The barb 3 is arranged on the outer wall of the fuel filler port 1, and the barb 3 is arranged directly below the limit platform 7. The barb 3 and the limit platform 7 are arranged at intervals. After the fuel filler port 1 is installed on the fuel tank 1, the barb 3 can achieve the locking of the fuel filler port 1 and the fuel tank. A clearance port 8 is arranged on the outer wall of the fuel filler port 1, and the clearance port 8 is arranged opposite to the barb 3 to provide space for the barb 3 to give way, so as to ensure that the fuel filler port 1 can smoothly enter the fuel tank.

[0027] The sealing assembly includes a sealing plate 5, and a mounting shaft 6 is provided on the side of the sealing plate 5 away from the limit platform 7. Mounting grooves 9 are provided on both sides of the bottom of the refueling port 1. There are two mounting grooves 9 symmetrically arranged on both sides of the refueling port 1. Both ends of the mounting shaft 6 can be rotatably arranged in the mounting grooves 9 on the corresponding sides, thereby realizing the installation of the sealing plate 5.

[0028] The outer edge of the sealing plate 5 is supported on the bottom surface of the fuel filling port 1 so that the sealing plate 5 closes the bottom of the fuel filling port 1. A rib plate is provided at the bottom of the sealing plate 5, and a support platform 10 is formed at one end of the rib plate of the sealing plate 5 away from the limiting platform 7.

[0029] The elastic component includes an elastic pressure plate 4, and a connector 11 is arranged on the top of the outer wall of the fuel filler port 1. The connector 11 and the limit platform 7 are arranged on opposite sides of the fuel filler port 1. The lower end of the connector 11 is bent upward, and a locking groove 12 with an opening facing upward is formed at the bottom of the connector 11. A locking plate 13 is also arranged on the outer wall of the fuel filler port 1. The locking plate 13 is arranged between the connector 11 and the fuel filler port 1, and the lower end of the locking plate 13 extends into the locking groove 12, thereby ensuring that the lower end position of the connector 11 is fixed. The upper end of the elastic pressure plate 4 is fixedly connected to the bottom of the connector 11, and the support platform 10 is supported on the elastic pressure plate 4. When refueling, the incoming fuel pushes the sealing plate 5 to open, and at this time the support platform 10 pushes the elastic pressure plate 4 to move away from the fuel filler port 1. When refueling is completed, the elastic pressure plate 4 pushes the sealing plate 4 to reset through the support platform 10 and closes the bottom of the fuel filler port 1 again.

[0030] The tank port oil check valve also includes a guide plate 2, the upper end of the guide plate 2 is fixedly connected to the bottom of the fuel filling port 1, the guide plate 2 is arranged directly below the limit platform 7, the guide plate 2 is a groove-shaped opening toward the middle of the fuel filling port 1, and the lower part of the guide plate 2 is inclined toward the direction close to the middle of the fuel filling port 1.

[0031] When installed on the fuel tank 1, the fuel filling port 1 is located at one end of the fuel tank, and the lower end of the guide plate 2 faces the middle of the fuel tank, so that the fuel can be guided into the middle of the fuel tank 1 when refueling.

[0032] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.

Claims

1. Oil tank check valve, characterized by: It comprises a plugging component, an elastic component and a connecting component arranged on the fuel inlet (1); the plugging component is arranged on the lower side of the fuel inlet (1); the elastic component is arranged between the fuel inlet (1) and the plugging component and pushes the plugging component to close the bottom of the fuel inlet (1); and the connecting component is arranged on the outer side of the fuel inlet (1).

2. The oil tank check valve according to claim 1, characterized in that: The sealing assembly comprises a sealing plate (5), and the sealing plate (5) is hinged to one side of the fuel filling port (1).

3. The oil tank check valve according to claim 2, characterized in that: A mounting groove (9) is arranged on one side of the refueling port (1), and a mounting shaft (6) is arranged on one side of the sealing plate (5). The mounting shaft (6) is rotatably mounted in the mounting groove (9).

4. The oil tank check valve according to claim 1, characterized in that: The elastic component comprises an elastic pressure plate (4), the upper end of the elastic pressure plate (4) is fixedly connected to the fuel filling port (1), a support platform (1001) matched with the elastic pressure plate (4) is arranged on the sealing component, and the elastic pressure plate (4) pushes the sealing component through the support platform (1001) to close the fuel filling port (1).

5. The oil tank check valve according to claim 4, characterized in that: A connecting piece (11) and a locking plate (13) are installed on the outer side of the refueling port (1), the bottom of the connecting piece (11) is bent upward, and a locking groove (12) with an opening facing upward is formed at the bottom of the connecting piece (11), the locking plate (13) extends into the locking groove (12), and the upper end of the elastic pressure plate (4) is fixedly connected to the lower end of the connecting piece (11).

6. The oil tank check valve according to claim 1, characterized in that: The connecting assembly comprises a barb (3), and the barb (3) is mounted on the outer wall of the fuel filling port (1).

7. The oil tank check valve according to claim 6, characterized in that: A clearance opening (8) is arranged on the outer wall of the refueling port (1), and the clearance opening (8) is arranged opposite to the barb (3).

8. The oil tank check valve according to claim 6, characterized in that: The connecting assembly further comprises a limiting platform (7) arranged on the outer wall of the fuel filling port (1).

9. The oil tank check valve according to claim 8, characterized in that: The limiting platform (7) is arranged just above the barb (3).

10. The oil tank check valve according to claim 1, characterized in that: It also comprises a guide plate (2), which is fixedly connected to one side of the bottom of the refueling port (1), and the bottom of the guide plate (2) is inclined towards the direction close to the middle of the refueling port (1).

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