Automobile oil filler cap spring bolt structure

Abstract

The utility model relates to the technical field of automobiles, in particular to an automobile oil filler cap spring bolt structure which comprises an oil filler cap installed on an oil filler on the side wall of an automobile body, a spring bolt is arranged on the inner side of the rear end of the oil filler cap, and a spring bolt opening is formed in the spring bolt. The edge of the side, away from the oil filler cap, of the spring bolt opening is bent and extends forwards to form a spring bolt piece. A telescopic lock pin corresponding to the lock tongue is arranged on the automobile body side wall oil filling port; the cross section of the spring bolt piece is bent, and at least part of the length section of the cross section of the spring bolt piece is designed to be of an arc-shaped structure. A matching notch is formed in the position, corresponding to the inner end of the spring bolt piece, of one side of the spring bolt opening, and the section of the matching notch is matched with the section of the spring bolt piece. The utility model has the characteristics that the assembling quality of the oil filler cap and the oil filler on the side wall of the automobile body can be effectively improved, and the spring bolt piece on the spring bolt can be better prevented from springback in the processing process so as to improve the forming precision.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile, in particular to a car oil filler cap lock tongue structure. BACKGROUND

[0002] As Figure 1 And 2 The structure shown in the figure is a structure schematic diagram of the body oil filler cap matched with the telescopic lock pin of the traditional structure. The lock tongue is arranged on the inner side surface of one end of the oil filler cap, the lock tongue mouth is arranged through the thickness direction of the lock tongue, and the lock tongue piece is formed by bending inward from the side edge of the lock tongue mouth away from the oil filler cap.

[0003] When the oil filler cap is closed, the telescopic lock pin extends into the lock tongue mouth, and the lock tongue piece is supported on the telescopic lock pin to limit the oil filler cap from popping out. At this time, the matching relationship between the telescopic lock pin and the lock tongue piece is the matching of plane and cylindrical surface, and does not have the functions of anti-skid or limiting. This makes the oil filler cap drop down due to gravity, driving conditions and manufacturing process during use, which affects the appearance and causes the oil filler cap to be difficult to close, even to interfere with the side wall during closing, or to produce abnormal noise during driving, even to produce rust due to paint falling off and other adverse phenomena. Secondly, the lock tongue piece on the lock tongue is a simple flat surface structure, which is easy to produce springback deformation after stamping, thereby increasing the deviation of the locking position from the designed position, and causing poor forming precision.

[0004] Therefore, how to provide an automobile oil filler cap lock tongue structure with a more simple and reasonable structure design, which can effectively improve the assembly quality of the oil filler cap and the oil filler on the side wall of the vehicle body, and better avoid the springback of the lock tongue piece during processing to improve the forming precision, has become a technical problem to be solved by the technical personnel in the field. UTILITY MODEL CONTENTS

[0005] In view of the above defects of the prior art, the technical problem to be solved by the utility model is how to provide an automobile oil filler cap lock tongue structure with a more simple and reasonable structure design, which can effectively improve the assembly quality of the oil filler cap and the oil filler on the side wall of the vehicle body, and better avoid the springback of the lock tongue piece during processing to improve the forming precision.

[0006] To achieve the above object, the utility model provides a kind of automobile fuel filler cap lock tongue structure, including installation setting on the automobile body side wall fuel filler cap of fuel filler cap, lock tongue is provided in fuel filler cap rear end inner side, lock tongue is provided with lock tongue mouth on it;The side edge of lock tongue mouth away from fuel filler cap is bent and extended to form lock tongue piece towards front;Telescopic lock pin is installed and set on the automobile body side wall fuel filler cap and corresponds the lock tongue;Its characterized in that;Lock tongue piece section is bent and set, and the section of lock tongue piece is at least partially length segment arc-shaped structure design;Matching notch is provided in the position of the side of lock tongue mouth and corresponding with the inner end of lock tongue piece, and the section of matching notch and the section of lock tongue piece are matched setting;And telescopic lock pin is inserted from lock tongue mouth, so that line contact is formed between the outer circumferential surface of telescopic lock pin and lock tongue piece.

[0007] In this way, in the automobile fuel filler cap lock tongue structure described above, the section of lock tongue piece is bent and set, the section of lock tongue piece is at least partially length segment arc-shaped structure design, and the matching notch is provided in the position of the side of lock tongue mouth and corresponding with the inner end of lock tongue piece, so that the section of matching notch and the section of lock tongue piece are matched setting. When working, the telescopic lock pin is inserted from the lock tongue mouth, and line contact is formed between the outer circumferential surface of the telescopic lock pin and the lock tongue piece. This increases the contact area between the telescopic lock pin and the lock tongue piece, changes the line contact into surface contact, and improves the reliability of the cooperation between the telescopic lock pin and the lock tongue piece. It can also better avoid the phenomenon that the fuel filler cap falls down due to gravity, road conditions and manufacturing process during use of the vehicle. It can also better avoid the problem that the gap between the fuel filler cap and the appearance of the side wall fuel filler of the vehicle is uneven, which affects the aesthetics, causes difficulty in closing the fuel filler cap, and even causes interference with the side wall during closing or abnormal sound during driving, and even paint peeling and rusting. Finally, it can also better avoid the springback of the lock tongue piece during processing, thereby reducing the processing difficulty.

[0008] As an optimization, the matching notch is arc-shaped notch structure design, and the section of lock tongue piece is arc-shaped structure design;And the diameter of the circle corresponding to the section of lock tongue piece is greater than the diameter of the telescopic lock pin.

[0009] In this way, the structure design of the lock tongue piece is more reasonable, and the shaking of the fuel filler cap can be better limited.

[0010] As an optimization, the difference between the diameter of the circle corresponding to the section of lock tongue piece and the diameter of the telescopic lock pin is 1 to 3 mm.

[0011] In this way, the size design of the section of lock tongue piece is more reasonable, and the cooperation with the telescopic lock pin can be better.

[0012] As optimization, the matching gap comprises a circular arc segment in the middle and inclined segments on both sides, and the cross section of the lock tongue piece comprises a circular arc segment in the middle and inclined segments on both sides, and the lock tongue piece cross section as a whole is designed in a V-shaped structure.

[0013] In this way, the lock tongue piece is more reasonable in structure design, better in rigidity, and more convenient to process and rework.

[0014] As optimization, the oil filler cap comprises an oil filler cap outer plate and an oil filler cap reinforcing plate arranged on the inner side of the oil filler cap outer plate; the lock tongue, the lock tongue piece and the oil filler cap reinforcing plate are integrally stamped to form.

[0015] In this way, the oil filler cap reinforcing plate is more convenient to process and manufacture.

[0016] As optimization, the lock tongue is respectively provided with a reinforcing flange on the upper side and the lower side; the distal end of the lock tongue is provided with a guide segment which is bent and arranged in a forwardly inclined manner.

[0017] In this way, the lock tongue is more reasonable in structure design, better in structural strength, and higher in working reliability.

[0018] As optimization, the lock tongue hole is designed in a rectangular hole structure as a whole, and the length direction of the lock tongue hole is arranged along the width direction of the lock tongue.

[0019] In this way, the lock tongue hole is more reasonable in structure design.

[0020] In summary, the above-mentioned automobile oil filler cap lock tongue structure has the characteristics of simpler and more reasonable structure design, can effectively improve the assembly quality of the oil filler cap and the upper oil filler of the vehicle body side wall, and can better avoid the springback of the lock tongue piece during processing to improve the forming precision. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the automobile oil filler cap lock tongue structure in the prior art.

[0022] Figure 2 is a schematic view of the automobile oil filler cap lock tongue structure in the embodiment of the present application.

[0023] Figure 3 is a schematic view of another structure of the automobile oil filler cap lock tongue structure in the embodiment of the present application. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, in the description of the present invention, the terms "upper," "lower," "left," "right," "inner," "outer," and the like, indicating directions or positions, are based on the directions or positions shown in the accompanying drawings and are intended solely for the purpose of facilitating and simplifying the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific manner. Therefore, they should not be construed as limiting the present invention. The terms "first," "second," and "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] like Figures 2 to 3 The invention discloses a locking tongue structure for a fuel filler cap of an automobile, comprising a fuel filler cap installed on the fuel filler cap on the side panel of the automobile body, a locking tongue 1 being provided on the inner side of the rear end of the fuel filler cap, and a locking tongue opening 2 being provided on the locking tongue; an edge of the locking tongue opening on one side facing away from the fuel filler cap is bent forward and extended to form a locking tongue piece 3; a telescopic locking pin 4 is provided on the fuel filler cap on the side panel of the automobile body and corresponding to the locking tongue; the cross section of the locking tongue piece is curved, and at least a partial length section of the cross section of the locking tongue piece is designed to be in the shape of an arc; a matching notch is provided on one side of the locking tongue opening and at a position corresponding to the inner end of the locking tongue piece, and the cross section of the matching notch is matched with the cross section of the locking tongue piece; and after the telescopic locking pin is extended from the locking tongue opening, a line contact is formed between the outer peripheral surface of the telescopic locking pin and the locking tongue piece.

[0026] Thus, in the aforementioned automobile fuel filler cap lock tongue structure, by designing the lock tongue piece to be curved in cross section, with at least a portion of its length being arc-shaped, a matching notch is provided on one side of the lock tongue opening, corresponding to the inner end of the lock tongue piece, so that the cross section of the matching notch matches the cross section of the lock tongue piece. During operation, after the telescopic lock pin is inserted through the lock tongue opening, the outer peripheral surface of the telescopic lock pin forms line contact with the lock tongue piece. This increases the contact area between the telescopic lock pin and the lock tongue piece, transforming the original line contact into surface contact, thereby improving the reliability of the mating between the telescopic lock pin and the lock tongue piece. This also effectively prevents the fuel filler cap from falling during vehicle use due to factors such as gravity, road conditions, and manufacturing processes. Furthermore, it effectively prevents uneven clearance between the fuel filler cap and the vehicle side panel fuel filler port, which can affect the vehicle's aesthetics, leading to difficulty in closing the fuel filler cap, interference with the side panel during closing, unusual noises during driving, and even paint peeling and rust. Finally, it can also better avoid rebound during the processing of the lock tongue piece on the lock tongue, thereby reducing the processing difficulty.

[0027] like Figure 1 As shown; in this specific embodiment, the matching notch is designed as an arc-shaped notch structure, and the cross-section of the lock tongue piece is designed as an arc-shaped structure; and the diameter of the circle corresponding to the cross-section of the lock tongue piece is set to be larger than the diameter of the telescopic lock pin.

[0028] In this way, the structural design of the lock tongue piece is more reasonable, and can better limit the shaking of the fuel filler cap.

[0029] In this specific embodiment, the difference between the diameter of the circle corresponding to the cross section of the lock tongue segment and the diameter of the telescopic lock pin is set to 1 to 3 mm.

[0030] In this way, the cross-sectional size design of the lock tongue piece is more reasonable and can better cooperate with the telescopic lock pin.

[0031] like Figure 2 As shown, in this specific embodiment, the matching notch includes a central arc segment 5 and inclined segments 6 on both sides, and the cross-section of the lock tongue piece includes a central arc segment and inclined segments on both sides, and the cross-section of the lock tongue piece is designed as a V-shaped structure as a whole.

[0032] In this way, the structural design of the lock tongue piece is more reasonable, the rigidity is better, and it can be more convenient to process and remanufacture.

[0033] In this specific embodiment, the fuel filler cap includes a fuel filler cap outer plate and a fuel filler cap reinforcement plate 7 arranged on the inner side of the fuel filler cap outer plate; the lock tongue, the lock tongue piece and the fuel filler cap reinforcement plate are integrally stamped.

[0034] Like this, more convenient to process and manufacture the fuel filler cap reinforcement plate.

[0035] In this specific embodiment, the upper and lower sides of the lock tongue are respectively provided with reinforced flanges 8; the far end of the lock tongue is provided with a guide section 9 that is bent obliquely toward the front.

[0036] In this way, the structural design of the lock tongue is more reasonable, which can make the structural strength of the lock tongue better and improve working reliability.

[0037] In this specific embodiment, the lock tongue opening is designed as a rectangular hole structure as a whole, and the length direction of the lock tongue opening is arranged along the width direction of the lock tongue.

[0038] Like this, the structural design of the lock tongue mouth is more reasonable.

[0039] To sum up, the above-mentioned automobile fuel filler cap lock tongue structure has a simpler and more reasonable structural design, can effectively improve the assembly quality of the fuel filler cap and the fuel filler port on the side panel of the vehicle body, and can better avoid rebound during the processing of the lock tongue piece on the lock tongue to improve the forming accuracy.

[0040] The above describes in detail the preferred embodiments of the present invention. It should be understood that those skilled in the art can make numerous modifications and variations based on the concepts of the present invention without inventive effort. Therefore, any technical solutions that can be derived by those skilled in the art based on the concepts of the present invention through logical analysis, reasoning, or limited experimentation based on the existing technology should be within the scope of protection defined by the claims.

Claims

1. A vehicle fuel filler cap lock tongue structure, comprising a fuel filler cap mounted on a fuel filler opening on a vehicle body side panel, a lock tongue disposed on the inner side of the fuel filler cap rear end, and a lock tongue opening disposed on the lock tongue; an edge of the lock tongue opening facing away from the fuel filler cap is bent forward and extended to form a lock tongue piece; a retractable lock pin is mounted on the fuel filler opening on the vehicle body side panel and corresponding to the lock tongue; and characterized in that: The cross section of the lock tongue piece is curved, and at least a portion of the length of the cross section of the lock tongue piece is designed to be arc-shaped; a matching notch is provided on one side of the lock tongue opening and at a position corresponding to the inner end of the lock tongue piece, and the cross section of the matching notch is matched with the cross section of the lock tongue piece; and after the telescopic lock pin is extended from the lock tongue opening, a line contact is formed between the outer peripheral surface of the telescopic lock pin and the lock tongue piece.

2. The automobile fuel filler cap lock tongue structure according to claim 1, characterized in that: The matching notch is designed to be an arc-shaped notch structure, and the cross section of the lock tongue piece is designed to be an arc-shaped structure; and the diameter of the circle corresponding to the cross section of the lock tongue piece is set to be larger than the diameter of the telescopic lock pin.

3. The automobile fuel filler cap lock tongue structure according to claim 2, characterized in that: The difference between the diameter of the circle corresponding to the cross section of the lock tongue segment and the diameter of the telescopic lock pin is set to 1 to 3 mm.

4. The automobile fuel filler cap lock tongue structure according to claim 1, characterized in that: The matching notch includes a central arc segment and inclined segments on both sides. The cross section of the lock tongue piece includes a central arc segment and inclined segments on both sides, and the cross section of the lock tongue piece is designed as a V-shaped structure as a whole.

5. The automobile fuel filler cap lock tongue structure according to claim 1, characterized in that: The fuel filler cap comprises a fuel filler cap outer plate and a fuel filler cap reinforcement plate arranged on the inner side of the fuel filler cap outer plate; the lock tongue, the lock tongue piece and the fuel filler cap reinforcement plate are integrally formed by stamping.

6. The automobile fuel filler cap lock tongue structure according to claim 1, characterized in that: The upper and lower sides of the lock tongue are respectively provided with reinforced flanges; the far end of the lock tongue is provided with a guide section which is bent obliquely toward the front.

7. The automobile fuel filler cap lock tongue structure according to claim 1, characterized in that: The lock tongue opening is designed as a rectangular hole structure as a whole, and the length direction of the lock tongue opening is arranged along the width direction of the lock tongue.

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