Dustproof automobile fuel tank cap

Abstract

The utility model discloses a dustproof automobile fuel tank cap, and particularly relates to the technical field of fuel tank caps. The fuel tank cap assembly comprises an installation ring installed on an automobile, a screw cap is arranged at the top of the installation ring, and a drainage assembly used for conveying gasoline is installed at the bottom of the screw cap. A protection assembly used for blocking and preventing dust is arranged outside the drainage assembly. The protection assembly comprises an outer pipe, and the outer pipe is installed at the bottom of the screw cap. Through the threaded connection of the connecting ring and the annular groove, the screw cap can be operated to drive the outer pipe and the drainage pipe to move outwards for refueling operation, and the drainage pipe is shielded and protected by the outer pipe, so that the drainage pipe is not in contact with the external environment, and dust is prevented from subsequently falling into an oil tank to cause pollution; and then, the inner moving outer pipe is embedded into the mounting ring for storage, the overall structure is simple, the manufacturing cost is low, the stability is high, and the practicability of the inner moving outer pipe can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel tank covers, in particular to a dustproof fuel tank cover for automobiles. Background Art

[0002] The automobile fuel tank cap is an important part in the vehicle design, which ensures the safety and protection of the fuel system. As shown in the application document with the prior art publication number CN207747747U, the fuel tank cap includes a cap body, which includes an outer cap section and an inner cap section, and also includes a retaining ring and a telescopic spring. The lower end surface of the outer cap section is provided with a circular groove, and the retaining ring is movably provided in the groove. One end of the telescopic spring is fixed on the top wall of the groove, and the other end is fixed to the retaining ring. The height of the retaining ring is less than the depth of the groove. The upper end surface of the outer cap section is provided with a bowl-shaped concave surface, and a straight handle is integrally formed in the bowl-shaped concave surface. The technical solution is provided with a retractable retaining ring on the fuel tank cap. When the fuel tank cap is separated from the car, the retaining ring is extended under the action of the telescopic spring to prevent dust from being contaminated on the fuel tank cap. In addition, an annular magnet is provided on the fuel tank cap to adsorb the disassembled fuel tank cap on the car to prevent loss. It has the advantages of simple structure, low cost, convenience and practicality.

[0003] However, in the above technical solution, after the fuel tank cap is opened, the retaining ring can only shield and protect the outside of the inner cover section, the shielding range is small, and a spring is required for contraction adjustment, the cost is high, and the stability is poor, and it cannot effectively prevent dust. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a dustproof automobile fuel tank cap. Through the threaded connection between the connecting ring and the ring groove, the rotary cap can be operated to drive the outer tube and the drainage tube to move outward for refueling operations, and the drainage tube is shielded and protected by the outer tube, so that the drainage tube is not in contact with the external environment, thereby preventing dust from falling into the interior of the fuel tank and causing pollution. Thereafter, the outer tube is moved inward and embedded in the interior of the mounting ring for storage. The overall structure is simple, the cost is low, and the stability is high. It can effectively improve the practicality of the utility model to solve the problems arising from the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dustproof automobile fuel tank cap, comprising a fuel tank cap assembly for an automobile;

[0006] The fuel tank cap assembly comprises a mounting ring mounted on the vehicle, a rotary cap is provided on the top of the mounting ring, and a drainage assembly for conveying gasoline is installed at the bottom of the rotary cap;

[0007] A protective component for blocking dust is provided outside the drainage component;

[0008] The protection component includes an outer tube, which is installed at the bottom of the rotary cover and sleeved on the outside of the drainage component. An oil gun port for connecting an oil gun is opened on one side of the top of the outer tube;

[0009] A connecting ring is installed at the bottom end of the outer tube, and an internal thread for connecting the mounting ring is processed on the outside of the connecting ring;

[0010] The outside of the mounting ring is provided with a connecting assembly for fixing the outer tube. Through the threaded connection between the connecting ring and the ring groove, the rotary cover can be operated to drive the outer tube and the drainage tube to move outward for refueling, and the drainage tube is shielded and protected by the outer tube, so that the drainage tube does not contact the external environment, thereby preventing dust from falling into the oil tank and causing pollution. The outer tube is then moved inward and embedded in the mounting ring for storage. The overall structure is simple, the cost is low, the stability is high, and the practicality of the utility model can be effectively improved.

[0011] In a preferred embodiment, the drainage assembly includes a drainage tube, which is installed at the bottom of the rotary cap, and the bottom end of the drainage tube is arranged inside the mounting ring. A drainage port is opened on one side of the top end of the drainage tube, and the drainage port corresponds to the position of the oil gun nozzle on the left and right. Through the drainage port on the drainage tube, the user can reach into the drainage port through the oil gun nozzle to perform refueling operations.

[0012] In a preferred embodiment, the connecting assembly includes an annular groove, which is opened at the top of the mounting ring, and the outer tube and the connecting ring are both arranged inside the annular groove; the inside of the annular groove is processed with an external thread threadedly connected to the internal thread, and the connecting ring is threadedly connected to the annular groove, and the connecting ring is threadedly connected to the mounting ring through the internal thread on the connecting ring and the external thread in the annular groove, so that the user can rotate the connecting ring to drive the outer tube to move up and down.

[0013] In a preferred embodiment, the diameter of the screw cap is equal to the outer diameter of the mounting ring. By setting the diameter of the screw cap to be equal to the outer diameter of the mounting ring, the screw cap can shield and protect the outside of the mounting ring to prevent dust and other impurities from falling into the ring groove and causing pollution, thereby ensuring the threaded connection effect between the connecting ring and the ring groove.

[0014] In a preferred embodiment, two finger grooves are provided on the top of the rotary cap for facilitating rotation, and the two finger grooves are symmetrically distributed about the central axis of the rotary cap. The provision of the two finger grooves can facilitate the user to perform knob operation on the rotary cap, thereby improving the convenience of the user in operating the rotary cap.

[0015] In a preferred embodiment, a plurality of anti-slip strips for enhancing friction are installed on the outside of the screw cap, and the plurality of anti-slip strips are evenly spaced. Through the arrangement of the plurality of anti-slip strips, the user can rotate the outside of the screw cap when the finger groove is inconvenient to operate, thereby enhancing the convenience and stability of the user's operation of the screw cap and avoiding looseness, thereby increasing the diversity of the user's operation of the screw cap.

[0016] Technical effects and advantages of the utility model:

[0017] Through the threaded connection between the connecting ring and the ring groove, the rotary cover can be operated to drive the outer tube and the drainage tube to move outward for refueling, and the drainage tube is shielded and protected by the outer tube, so that the drainage tube is not in contact with the external environment, and dust is prevented from falling into the oil tank and causing pollution. Thereafter, the outer tube is moved inward and embedded in the mounting ring for storage. The overall structure is simple, the cost is low, and the stability is high, which can effectively improve the practicality of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a cross-sectional view of the installation ring of the utility model;

[0020] Figure 3 It is a cross-sectional view of the ring groove of the utility model;

[0021] Figure 4 This is a bottom view of the outer tube of the utility model;

[0022] Figure 5 This is a schematic diagram of the outer tube of the utility model after adjustment.

[0023] The accompanying drawings are marked as follows: 1. mounting ring; 2. screw cap; 3. outer tube; 4. oil gun nozzle; 5. connecting ring; 6. internal thread; 7. drainage tube; 8. drainage port; 9. ring groove; 10. external thread; 11. finger groove; 12. anti-slip strip. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] Refer to the instruction manual Figure 1-5 , the utility model provides a dustproof automobile fuel tank cap, comprising a fuel tank cap assembly for an automobile;

[0026] The fuel tank cap assembly comprises a mounting ring 1 mounted on the vehicle, a screw cap 2 is provided on the top of the mounting ring 1, and a drainage assembly for conveying gasoline is installed at the bottom of the screw cap 2;

[0027] In order to facilitate the operator to refuel the fuel tank, Figure 1 , 2 As shown in Figures 3 and 5, the drainage assembly includes a drainage tube 7, which is installed at the bottom of the rotary cover 2, and the bottom end of the drainage tube 7 is arranged inside the mounting ring 1. A drainage port 8 is opened on one side of the top of the drainage tube 7, and the drainage port 8 corresponds to the position of the oil gun mouth 4 on the left and right. Through the drainage port 8 on the drainage tube 7, the user can reach into the drainage port 8 through the oil gun mouth 4 to perform refueling operations.

[0028] In order to prevent dust from entering the oil tank and causing pollution, a protective component for blocking dust is provided on the outside of the drainage component;

[0029] In order to block the dust and prevent the dust from adhering to the outside of the drainage pipe 7 and entering the inside of the oil tank to cause pollution, Figure 2 , 4 As shown in Figure 5, the protective component includes an outer tube 3, which is installed at the bottom of the rotary cover 2 and is sleeved on the outside of the drainage component. An oil gun nozzle 4 for connecting an oil gun is provided on one side of the top of the outer tube 3; a connecting ring 5 is installed at the bottom of the outer tube 3, and an internal thread 6 for connecting to the mounting ring 1 is processed on the outside of the connecting ring 5; a connecting component for fixing the outer tube 3 is provided on the outside of the mounting ring 1, and the connecting component includes an annular groove 9, which is opened at the top of the mounting ring 1, and the outer tube 3 and the connecting ring 5 are both arranged inside the annular groove 9; an external thread 10 threadedly connected to the internal thread 6 is processed inside the annular groove 9, and the connecting ring 5 is threadedly connected to the annular groove 9, and the connecting ring 5 is threadedly connected to the mounting ring 1 through the internal thread 6 on the connecting ring 5 and the external thread 10 in the annular groove 9, so that the user can rotate the connecting ring 5 to drive the outer tube 3 to move up and down.

[0030] Specifically, through the threaded connection between the connecting ring 5 and the annular groove 9, the rotary cover 2 can be operated to drive the outer tube 3 and the drainage tube 7 to move outward for refueling, and the drainage tube 7 can be shielded and protected by the outer tube 3, so that the drainage tube 7 does not contact the external environment, thereby preventing dust from falling into the interior of the fuel tank and causing pollution. This can improve the dust-proof effect of the utility model when it is used, and ensure the practicality of the utility model.

[0031] In order to shield and protect the top of the ring groove 9 to prevent dust from falling in and causing pollution, Figure 2As shown, the diameter of the screw cap 2 is equal to the outer diameter of the mounting ring 1. By setting the diameter of the screw cap 2 to be equal to the outer diameter of the mounting ring 1, the screw cap 2 can shield and protect the outside of the mounting ring 1 to prevent dust and other impurities from falling into the ring groove 9 and causing pollution, thereby ensuring the threaded connection effect between the connecting ring 5 and the ring groove 9.

[0032] In order to improve the convenience and stability of the user in operating the rotary cover 2 and avoid the situation of loosening and separation, Figure 1 , 2 As shown in Figure 5, two finger grooves 11 are provided on the top of the rotary cover 2 for facilitating rotation, and the two finger grooves 11 are symmetrically distributed about the central axis of the rotary cover 2. The provision of the two finger grooves 11 can facilitate the user to perform knob operation on the rotary cover 2, thereby improving the convenience of the user in operating the rotary cover 2. A plurality of anti-slip strips 12 for enhancing friction are installed on the outside of the rotary cover 2, and the plurality of anti-slip strips 12 are evenly spaced. The provision of the plurality of anti-slip strips 12 allows the user to rotate the outside of the rotary cover 2 when the finger grooves 11 are inconvenient to operate, thereby enhancing the convenience and stability of the user in operating the rotary cover 2 and avoiding loosening, thereby improving the diversity of the user's operation of the rotary cover 2.

[0033] Through the internal thread 6 on the connecting ring 5 and the external thread 10 in the ring groove 9, the operator can rotate the rotary cover 2 to drive the connecting ring 5 threadedly connected with the mounting ring 1 to move upward, so that the outer tube 3 and the drainage tube 7 can be operatively moved to the outside of the mounting ring 1, and then with the help of the correspondence between the drainage port 8 and the oil gun mouth 4, the operator can conveniently extend the oil gun through the oil gun mouth 4 to the drainage port 8 to perform the refueling operation, and during the refueling process, the outer tube 3 is used to shield and protect the outside of the drainage tube 7, so that the drainage tube 7 does not contact the external environment, thereby preventing dust from adhering and preventing dust from falling into the oil tank and causing pollution;

[0034] After the refueling operation is completed, the operator reverses the cap 2 to drive the outer tube 3 and the drainage tube 7 to move to the inside of the mounting ring 1, and the mounting ring 1 is used to shield and protect the drainage tube 7 and the outer tube 3. The structure is simple, the operation is convenient, and the dust prevention effect can be effectively improved.

[0035] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A dustproof automobile fuel tank cap, characterized in that: Includes a fuel tank cap assembly for an automobile; The fuel tank cap assembly comprises a mounting ring (1) mounted on a vehicle, a rotary cover (2) being provided on the top of the mounting ring (1), and a drainage assembly for conveying gasoline being installed on the bottom of the rotary cover (2); A protective component for blocking dust is provided outside the drainage component; The protection component comprises an outer tube (3), the outer tube (3) being mounted on the bottom of the rotary cover (2) and sleeved on the outside of the drainage component, and an oil gun port (4) for connecting an oil gun is provided on one side of the top end of the outer tube (3); A connecting ring (5) is installed at the bottom end of the outer tube (3), and an internal thread (6) for connecting to the mounting ring (1) is processed on the outside of the connecting ring (5); The outside of the mounting ring (1) is provided with a connection assembly for fixing the outer tube (3).

2. The dustproof automobile fuel tank cap according to claim 1, characterized in that: The drainage assembly comprises a drainage tube (7), the drainage tube (7) being mounted at the bottom of the rotary cover (2), and the bottom end of the drainage tube (7) being arranged inside the mounting ring (1), and a drainage port (8) being provided on one side of the top end of the drainage tube (7), and the drainage port (8) corresponding to the position of the oil gun port (4) on the left and right.

3. The dustproof automobile fuel tank cap according to claim 1, characterized in that: The connection assembly comprises an annular groove (9), the annular groove (9) is opened on the top of the mounting ring (1), and the outer tube (3) and the connection ring (5) are both arranged inside the annular groove (9); The annular groove (9) is internally processed with an external thread (10) threadedly connected to the internal thread (6), and the connecting ring (5) is threadedly connected to the annular groove (9).

4. The dustproof automobile fuel tank cap according to claim 1, characterized in that: The diameter of the rotary cover (2) is equal to the outer diameter of the mounting ring (1).

5. The dustproof automobile fuel tank cap according to claim 1, characterized in that: The top of the rotary cover (2) is provided with two finger grooves (11) for facilitating rotation, and the two finger grooves (11) are symmetrically distributed about the central axis of the rotary cover (2).

6. The dustproof automobile fuel tank cap according to claim 1, characterized in that: A plurality of anti-slip strips (12) for enhancing friction are installed on the outside of the rotary cover (2), and the plurality of anti-slip strips (12) are evenly spaced and distributed.

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