Automobile fuel tank cap with one-sound torque structure

Abstract

The utility model discloses an automobile fuel tank cap with a one-sound torque structure, which comprises an upper cap and a lower cap, a plurality of limit columns protruding downwards are arranged in the upper cap, a plurality of limit holes matched with the limit columns are arranged on the lower cap, and shifting pieces are further arranged in the limit holes. The two sides of the limiting column are limited through the side face of the poking piece and one side of the limiting hole respectively, and the poking piece can generate inclined deformation when receiving the acting force of the limiting column. The simple limiting column is matched with the limiting hole with the shifting piece to remind an operator that the fuel tank cap is screwed, when the rotating torque reaches a certain degree, a sound is made to remind a user that the fuel tank cap assembly is installed in place when screwed, the structure is simple, and operation is easy and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel tank caps, in particular to a fuel tank cap with a one-touch torque structure for automobiles. Background Art

[0002] Currently, the commonly used fuel tank cap one-tick torque mechanism is implemented using a positioning chuck, slider, and torsion spring assembled inside the fuel tank cap. When the fuel tank cap begins to rotate on the fuel filler pipe, the toothed bevel on the slider aligns with the toothed bevel on the positioning chuck. This rotation of the cap applies a force toward the center of the fuel tank cap on the slider's outer pawl. When this force exceeds the spring's compression, the slider's ratchet teeth pass over the positioning chuck's pawl by one tooth, thereby generating an alarm sound. However, due to the structural characteristics of the existing slider and positioning chuck, the number of components is relatively large, making assembly relatively cumbersome. Therefore, a simplification is needed. Summary of the Invention

[0003] In order to solve certain technical problems existing in the prior art, the purpose of this application is to provide a fuel tank cap for a car with a one-sound torque structure, which uses a simple limit column and a limit hole with a paddle to remind the operator that the fuel tank cap has been tightened. When the rotational torque reaches a certain level, a sound is emitted to remind the user that the fuel tank cap assembly has been installed in place when tightened. It has a simple structure and is easy to operate.

[0004] To solve the above existing technical problems, this application adopts the following technical solutions:

[0005] A fuel tank cap for an automobile with a torque structure includes an upper cover and a lower cover. The upper cover is provided with a plurality of downwardly protruding limit posts, and the lower cover is provided with a plurality of limit holes matching the limit posts. A paddle is also provided in the limit hole. The two sides of the limit post are limited by the side surface of the paddle and one side of the limit hole respectively. The paddle can be tilted and deformed when receiving the force of the limit post.

[0006] Preferably, there are six limiting columns that are evenly distributed in a ring shape on the inner plane of the upper cover, and the lower cover is provided with six limiting holes with the paddles that are evenly distributed in a ring shape.

[0007] Preferably, both sides of the limiting column are arc-shaped structures.

[0008] Preferably, at least two outwardly protruding conical stop blocks are provided on the inner plane of the upper cover.

[0009] Preferably, the paddle is a rectangular structure, and one end of the paddle is connected to one side of the limiting hole.

[0010] Preferably, the limiting hole forms a rectangular cavity and a triangular cavity through the paddle.

[0011] Preferably, six inwardly protruding reinforcing ribs are provided on the side wall of the upper cover, and the reinforcing ribs and the limiting columns are spaced apart.

[0012] Preferably, the bottom of the reinforcing rib is provided with an inclined guide surface, and the lower cover is installed through the guide surface and limited by the reinforcing rib.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] During the assembly of the fuel tank cap, the limiting column and the limiting hole with the paddle cooperate to remind the operator that the fuel tank cap has been tightened. Compared with the existing one-torque structure of the fuel tank cap connection structure, it is simpler, requires fewer accessories, is simple to assemble and has low operating difficulty. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is an exploded view of the utility model;

[0016] Figure 2 This is a schematic diagram of the combined structure of this utility model;

[0017] In the figure: 1. Limiting column; 2. Conical stop block; 3. Upper cover; 4. Reinforcing rib; 5. Guide surface; 6. Rectangular cavity; 7. Triangular cavity; 8. Lower cover; 9. Limiting hole; 10. Pick. DETAILED DESCRIPTION

[0018] Below, the present application is further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0019] In the description of this application, it should be understood that the terms "up", "down", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on this application.

[0020] The terms "first," "second," and the like in this application are used to distinguish similar objects, and are not used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than that illustrated or described herein, and that the objects distinguished by "first," "second," and the like are generally of the same type, and do not limit the number of objects; for example, the first object can be one or more. In addition, "and / or" in the specification and claims refers to at least one of the connected objects, and the character " / " generally indicates that the objects connected are in an "or" relationship.

[0021] like Figure 1 and Figure 2 As shown, a fuel tank cap for a car with a torque structure includes an upper cover 3 and a lower cover 8. The upper cover 3 is provided with a plurality of downwardly protruding limit columns 1, and the lower cover 8 is provided with a plurality of limit holes 9 matching the limit columns 1. A paddle 10 is also provided in the limit hole 9. The two sides of the limit column 1 are respectively limited by the side surface of the paddle 10 and one side of the limit hole 9. The paddle 10 can be tilted and deformed when it receives the force of the limit column 1.

[0022] In actual use, after the upper cover 3 and the lower cover 8 are assembled, each limiting post 1 is inserted into the corresponding limiting hole 9. The two sides of the limiting post 1 are respectively limited by contacting the side of the paddle 10 or one side of the limiting hole 9. When the fuel tank cap is rotated, when the upper cover 3 rotates clockwise, the limiting post 1 contacts one side of the paddle 10 to stop, thereby driving the lower cover 8 to rotate clockwise. When the torque of the limiting post 1 is too large, the rotational torque of the limiting post 1 can cause the paddle 10 to tilt toward the side of the limiting hole 9. When the paddle 10 is in contact with the side of the limiting hole 9, the fuel tank cap is tightened and the upper cover 3 is loosened. Due to deformation, the paddle 10 has a reset action, and at the same time, it pushes the limiting post 1 to move counterclockwise. At this time, the upper cover 3 also performs a reset action. The force generated by the reset can cause each limiting post 1 to collide with the corresponding side of the limiting hole 9, producing a sound. When the upper cover 3 moves counterclockwise, the stop post 1 rotates counterclockwise with the upper cover 3 and engages one side of the stop hole 9 to stop it, while driving the lower cover 8 to rotate counterclockwise, thereby opening the fuel tank cap. During the assembly process of the fuel tank cap, the stop post 1 and the stop hole 9 with the paddle 10 cooperate to remind the operator that the fuel tank cap has been tightened. Compared with the existing fuel tank cap connection structure with a single torque structure, the connection structure is simpler, requires fewer parts, is simpler to assemble, and is less difficult to operate.

[0023] As a further improvement, there are six limiting columns 1 evenly distributed in a ring shape on the inner plane of the upper cover 3, and the lower cover 8 is provided with six limiting holes 9 with the paddles 10 evenly distributed in a ring shape.

[0024] The six limiting columns 1 are directly designed on the inner plane of the upper cover 3, which can ensure the uniform distribution of the limiting columns 1, so that the paddles 10 and limiting holes 9 matched therewith can be evenly distributed on the lower cover 8 when transmitting torque, ensuring the reliability of torque.

[0025] As a further improvement, at least two outwardly protruding conical stop blocks 2 are provided on the inner plane of the upper cover 3 .

[0026] At least two outwardly protruding conical stops 2 formed on the inner surface of the upper cover 3 define the insertion position of the lower cover 8, preventing the end surface of the lower cover 8 from making surface contact with the inner surface of the upper cover 3. This reduces friction and improves sensitivity during relative rotation. The conical stops 2 utilize a right-angled triangular protrusion structure, resulting in a simpler structure, a linear contact point, and a smaller, more stable cross-section.

[0027] As a further improvement, the paddle 10 is a rectangular structure, and one end of the paddle 10 is connected to one side of the limiting hole 9 .

[0028] The paddle 10 adopts a rectangular structure, which makes the force in each area more uniform when subjected to force and is easy to produce. By connecting one end of the paddle 10 with the inner part of the limiting hole 9, its rigidity can be guaranteed and its deformation ability when subjected to force can be improved.

[0029] Based on any of the above technical solutions, it is further improved that the limiting hole 9 forms a rectangular cavity 6 and a triangular cavity 7 through the paddle 10 .

[0030] The limiting post 1 is located in the rectangular cavity 6, and its width is smaller than that of the rectangular cavity 6, so that a certain gap can be formed between the two, which is convenient for producing an obvious impact feeling when resetting. The other side of the pick 10 is the triangular cavity 7. The inclined edge of the triangular cavity 7 can effectively stop the pick 10 that is deformed and tilted toward the triangular cavity 7, preventing the pick 10 from being broken due to excessive deformation, and can also enable the pick 10 to generate a rebound force on the limiting post 1 when resetting.

[0031] A further improvement is that both sides of the limiting column 1 are arc-shaped structures.

[0032] Both sides of the limiting column 1 are arc-shaped structures, which can ensure that the limiting column 1 is more flexible when moving in the limiting hole 9 and avoid the occurrence of jamming.

[0033] A further improvement is that six inwardly protruding reinforcing ribs 4 are provided on the side wall of the upper cover 3, and the reinforcing ribs 4 and the limiting columns 1 are arranged at intervals; the bottom of the reinforcing ribs 4 is provided with an inclined guide surface 5, and the lower cover 8 is installed through the guide surface 5 and limited by the reinforcing ribs 4.

[0034] The six inwardly protruding ribs 4 on the sidewalls of the upper cover 3 not only reinforce the sidewalls of the upper cover 3 to prevent them from cracking, but also limit the position of the lower cover 8 to prevent it from rocking left and right after installation. The spacing between the ribs 4 and the limiting posts 1 allows the diameter of the upper cover 3 to be smaller even if the thickness of the ribs 4 is inconvenient. The bottom of the ribs 4 is provided with an inclined guide surface 5, which guides the lower cover 8 during installation, preventing it from being difficult to insert during installation.

[0035] The above-mentioned embodiments are only preferred embodiments of the present application and cannot be used to limit the scope of protection of the present application. Any non-substantial changes and replacements made by technicians in this field based on the present application shall fall within the scope of protection required by the present application.

Claims

1. A fuel tank cap for an automobile with a one-touch torque structure, comprising an upper cover (3) and a lower cover (8), characterized in that: The upper cover (3) is provided with a plurality of downwardly protruding limiting columns (1), the lower cover (8) is provided with a plurality of limiting holes (9) matching the limiting columns (1), and the limiting holes (9) are further provided with paddles (10). Both sides of the limiting columns (1) are limited by the side surfaces of the paddles (10) and one side of the limiting holes (9) respectively, and the paddles (10) can be tilted and deformed when receiving the force of the limiting columns (1).

2. The one-touch torque structure automobile fuel tank cap according to claim 1, characterized in that: The limiting columns (1) are six and are evenly distributed in an annular shape on the inner plane of the upper cover (3); the lower cover (8) is provided with six limiting holes (9) with the paddles (10) that are evenly distributed in an annular shape.

3. The one-touch torque structure automobile fuel tank cap according to claim 2, characterized in that: At least two outwardly protruding conical stop blocks (2) are also provided on the inner plane of the upper cover (3).

4. The one-touch torque structure automobile fuel tank cap according to claim 1, characterized in that: Both sides of the limiting column (1) are arc-shaped structures.

5. The one-touch torque structure automobile fuel tank cap according to any one of claims 1 to 4, characterized in that: The paddle (10) is a rectangular structure, and one end of the paddle (10) is connected to one side of the limiting hole (9).

6. The one-touch torque structure automobile fuel tank cap according to claim 4, characterized in that: The limiting hole (9) forms a rectangular cavity (6) and a triangular cavity (7) through the paddle (10).

7. The one-touch torque structure automobile fuel tank cap according to claim 1, characterized in that: Six inwardly protruding reinforcing ribs (4) are provided on the side wall of the upper cover (3), and the reinforcing ribs (4) and the limiting columns (1) are arranged at intervals.

8. The one-touch torque structure automobile fuel tank cap according to claim 7, characterized in that: An inclined guide surface (5) is provided at the bottom of the reinforcing rib (4); the lower cover (8) is installed via the guide surface (5) and is limited in position by the reinforcing rib (4).

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