Strap attachment structure

The strap attachment structure addresses strap retention issues by using ribs and overhanging portions to restrict rotation, improving maintainability and reducing complexity.

JP7746805B2Active Publication Date: 2025-10-01MITSUBISHI MOTORS CORP
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Patent Information

Application Number
JP2021175632
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2021-10-27
Publication Date
2025-10-01
Estimated Expiration
2041-10-27

AI Technical Summary

Technical Problem

Conventional strap attachment structures in vehicles face issues with inadequate strap retention due to rib protrusion dimensions, mold restrictions, and increased complexity leading to strap slip-off, which complicates manufacturing and maintenance.

Method used

A strap attachment structure featuring a strap attachment hole with erected ribs and canopy-like overhanging portions that restrict the strap's rotation range, preventing it from slipping off by reducing rib protrusion and simplifying the design.

Benefits of technology

The structure effectively prevents strap slippage with a simple configuration, enhancing maintainability and reducing manufacturing complexity while maintaining aesthetic appeal.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

To provide a strap fitting structure capable of improving a strap falling prevention effect with a simple configuration.SOLUTION: In a vehicle provided with a lid that openably closes an opening of a supply room for accommodating a supply port, an arm that supports the lid to be rotatable with respect to a vehicle body via a hinge, and a braided strap fixed at one end to a cap fitted to the supply port, a strap fitting structure 20 for fitting the strap to the arm is provided. This structure 20 comprises: a strap fitting hole 17 which is bored in the arm and to which the other end of the strap is rotatably fitted; ribs 21-23 which are erected around the strap fitting hole 17 and which regulate the rotational range of the other end of the strap; and eaves 25 and 26 which are extended from the ribs 21-23 along an arm surface 15 away from the arm surface 15 by a prescribed distance and which regulate displacement of the other end of the strap in a direction away from the arm.SELECTED DRAWING: Figure 4
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Description

[Technical Field]

[0001] The present invention relates to a strap attachment structure for attaching a strap, one end of which is fixed to a cap attached to a vehicle's fuel port, to an arm of a lid. [Background technology]

[0002] Conventionally, in vehicles equipped with a refill port for refilling fuel, electricity, urea water, etc., a cap is known to close the refill port. This type of cap may have a strap (string member) attached to the vicinity of the refill port to fasten the cap. For example, one end of the strap is fixed to the cap, and the other end of the strap is fixed to the vehicle body, a bracket, or the like near the refill port. This reduces the likelihood of losing or forgetting to close the cap when the refill port is open, thereby improving convenience (see Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 11-321351 Summary of the Invention [Problem to be solved by the invention]

[0004] The lid, which opens and closes the supply chamber where the supply port is located, is supported by an arm so that it can rotate relative to the vehicle body. When the other end of the strap is fixed to this arm, it is possible to surround the fixing point with a rib (wall) to prevent the strap from getting caught between the vehicle body or bracket and the arm. By providing such a rib, the range of rotation of the strap around the fixing point is restricted, preventing the strap from moving in a direction that makes it more likely to get caught.

[0005] However, depending on the protruding dimension of the rib relative to the surface of the arm, the strap may ride up on the rib when rotated, resulting in an inadequate restriction of the range of rotation. In particular, if the gap between the vehicle body or bracket and the arm is set small, it is difficult to make the protruding dimension of the rib large enough, weakening the effect of restricting the rotation of the strap. This may result in an insufficient strap slip-off prevention effect.

[0006] Furthermore, when the arm is manufactured as a molded product (plastic or metal), the shape of the strap fixing hole may be set to a conical shape (such as a circular cone or pyramid) due to restrictions on the mold release direction (direction of removal from the mold). In this case, the cross-sectional shape of the fixing hole widens on one side of the arm, making it easier for the strap to come loose from its fixing point, and it may not be possible to achieve a satisfactory effect of preventing the strap from falling off.

[0007] It is also possible to make the strap less likely to come off by fastening it with fastening members such as bolts or screws. However, this increases costs and vehicle weight. Another option is to glue or weld the end of the strap to the surface of the arm to prevent it from coming off. However, this makes it difficult to replace the strap, reducing maintainability. In light of these circumstances, it is desirable to make the strap less likely to come off with as simple a structure as possible.

[0008] One of the objectives of the present invention, which was devised in light of the above-mentioned problems, is to provide a strap attachment structure that can improve the effectiveness of preventing the strap from falling off with a simple configuration. However, other objectives of the present invention are not limited to this objective, but also include achieving effects derived from the various configurations shown in the "Description of the Invention" below, which are not obtainable with conventional technology. [Means for solving the problem]

[0009] The disclosed strap attachment structure can be realized in the following aspects or application examples, and solves at least some of the above problems. The disclosed strap attachment structure is for attaching a strap to the arm in a vehicle having a lid that can open and close the opening of a supply chamber that houses a supply port, an arm that rotatably supports the lid on the vehicle body via a hinge, and a string-like strap whose one end is fixed to a cap attached to the supply port.The strap attachment structure includes a strap attachment hole that is drilled in the arm and to which the other end of the strap is rotatably attached, a rib that is erected around the strap attachment hole and restricts the range of rotation of the other end of the strap, and a canopy that extends from the rib along the arm surface at a predetermined distance from the arm surface of the arm and restricts displacement of the other end of the strap in a direction away from the arm. The rib has a first rib arranged on the lid side of the strap attachment hole in a front view of the arm, and a second rib arranged on the hinge side. Also, a canopy portion is formed on at least one of the first rib and the second rib. [Effects of the Invention]

[0010] According to the disclosed strap attachment structure, the effectiveness of preventing the strap from falling off can be improved with a simple configuration. [Brief explanation of the drawings]

[0011] [Figure 1] 1 is a perspective view of a vehicle to which a strap attachment structure according to an embodiment is applied; [Figure 2] 2 is an exploded perspective view showing the structure of a supply chamber provided in the vehicle of FIG. 1. FIG. [Figure 3] FIG. 3 is a cross-sectional view of the supply chamber of FIG. 2. [Figure 4] 4 is a perspective view of a strap attachment structure provided in the supplying chamber of FIG. 3. FIG. [Figure 5] 5(A) to 5(C) are cross-sectional views of the strap attachment structure of FIG. DETAILED DESCRIPTION OF THE INVENTION

[0012] [1. Configuration] A strap attachment structure 20 as an embodiment is applied to a vehicle 1 shown in FIG. 1. An outer panel 3 of the vehicle 1 is provided with a supply chamber 2 (supply port chamber) in which a supply port 10 is arranged. The supply port 10 here refers to an opening (entrance, inlet) for supplying fuel, electricity, urea water (exhaust system reducing agent), lubricating oil, engine coolant, motor coolant, brake fluid, washer fluid, or the like to the vehicle 1. In general, the fuel supply port 10 is also called a fuel filler port, the electricity supply port 10 is also called a charging port or charging connector, and the urea water supply port 10 is also called a water filler port. In addition, the fuel supply chamber 2 is also called a fuel filler port chamber, the electricity supply chamber 2 is also called a charging port chamber, and the urea water supply chamber 2 is also called a water filler port chamber.

[0013] As shown in FIG. 1, the refill port 10 is disposed at the rear of a side portion of the vehicle 1, or at the front side portion (fender portion), rear surface (rear hatch portion), or front surface (hood portion) of the vehicle 1. The opening of the refill port 10 on the exterior of the vehicle is closed by a lid 6 (door member) that is a molded resin member and can be opened and closed. The lid 6 is opened only when accessing the refill port 10, and is locked so that it remains closed in other circumstances. A metal decorative panel is attached to the outer surface of the lid 6 to achieve the same aesthetic appearance as the outer panel 3.

[0014] 2 is an exploded perspective view showing the structure of the replenishing chamber 2. The replenishing chamber 2 has a bracket 5 attached to the inside of an opening 4 formed in the outer panel 3. The bracket 5 is, for example, a resin-molded member formed into a container shape, and forms the inner wall of the replenishing chamber 2. The bracket 5 is attached to the vehicle body in a position that is wide open to the opening 4. Furthermore, a replenishing pipe holding hole 9 for holding a replenishing pipe 11 provided in a replenishing port 10 is drilled in the surface of the bracket 5 facing the opening 4 (the bottom surface of the container-shaped member).

[0015] Inside the supply chamber 2, there are provided a hinge 7 and an arm 8 that supports the lid 6 so that it can rotate around the hinge 7. The arm 8 is a resin molded member that rotatably supports the lid 6 on the vehicle body (or bracket 5) via the hinge 7, and is formed, for example, integrally with the lid 6. The arm 8 is formed in a spiral shape in a plane perpendicular to the rotation axis of the lid 6. Furthermore, the hinge 7 is located, for example, on the rear side of the left and right edges of the opening 4 when the opening 4 is viewed from the front (for example, on the left rear side of the left edge or the right rear side of the right edge). The lid 6 shown in FIG. 2 is a side-opening lid, but it may also be a vertical-opening lid.

[0016] As shown in Fig. 2, a cap 12 is attached to the refill port 10. The cap 12 is, for example, a resin-molded lid member, and is attached, for example, by screwing it onto the refill port 10, or by attaching it so as to cover the refill port 10. If the refill pipe 11 is a tubular material (pipe) for allowing fuel, urea water, or the like to flow in, attaching the cap 12 prevents foreign matter from entering the pipe. Furthermore, if the refill pipe 11 is a wiring material (wire harness) such as a charging cable or signal line, attaching the cap 12 prevents water from getting into the connection terminals or foreign matter from adhering to the connection terminals.

[0017] One end of a string-like strap 13 is fixed to the cap 12. The strap 13 is made of, for example, an elastic resin material. One end of the strap 13 is formed into a ring shape that is attached to the outer periphery of the cap 12. The other end of the strap 13 is provided with an attachment 14 that functions as a clip that is inserted into a hole and locked. The attachment 14 in this case is attached to a strap attachment structure 20 provided on the arm 8 so as to be rotatable around the attachment 14 as an axis. The strap attachment structure 20 is a structure for attaching the strap 13 to the arm 8.

[0018] As shown in Figures 2 and 3, strap attachment structure 20 is provided on the outer surface of spiral arm 8. The strap attachment structure 20 is positioned so that it does not interfere with bracket 5 when lid 6 is closed, and preferably so that strap 13 fits comfortably within the internal space of supply chamber 2 when lid 6 is closed. As shown in Figure 2, strap attachment structure 20 of this embodiment is disposed near the lower end of arm 8. The length of strap 13 is preferably long enough to maintain the fixed state of attachment tool 14 relative to strap attachment structure 20 regardless of whether lid 6 is open or closed, but short enough to prevent strap 13 from being pinched between lid 6 and opening 4.

[0019] Fig. 4 is a perspective view of strap attachment structure 20, and Figs. 5(A) to (C) are its cross-sectional views. Strap attachment structure 20 is provided with strap attachment hole 17, which is drilled in arm 8 and to which the other end of strap 13 is rotatably attached. This strap attachment hole 17 supports strap 13 so that it can rotate around attachment tool 14 at the other end of strap 13. As shown in Fig. 5(A), the cross-sectional shape of strap attachment hole 17 is formed into a shape that widens toward the inside of supply chamber 2 due to restrictions in the mold release direction (mold removal direction).

[0020] As shown in Fig. 4, strap attachment hole 17 is provided in a stepped portion 16 recessed from arm surface 15 (the surface of arm 8 facing the interior of supply chamber 2). Stepped portion 16 is a portion formed to be smaller (thinner) in the dimension in the plate thickness direction than arm surface 15, and is disposed so as to contact the lower end surface of arm 8. Strap attachment hole 17 is provided in approximately the center of this stepped portion 16.

[0021] Wall-like ribs 21 to 23 are erected around the strap attachment hole 17. The ribs 21 to 23 have a shape that protrudes from the arm surface 15 toward the inside of the supply chamber 2, and are arranged to surround both left and right sides and an upper part of the strap attachment hole 17 when viewed from the front of the arm 8. The ribs 21 to 23 have the function of restricting the rotation range of the other end of the strap 13. In this embodiment, the wall-like ribs 21 to 23 are erected along the boundary between the arm surface 15 and the step portion 16. When viewed from the front of the arm 8, the arm surface 15 corresponds to the range outside the ribs 21 to 23, and the step portion 16 corresponds to the range inside the ribs 21 to 23. Note that in this embodiment, a front view of the arm 8 means "a field of view when a portion of the arm 8 on which the strap attachment structure 20 is provided is viewed from the front."

[0022] The strap attachment structure 20 shown in FIG. 4 is provided with a first rib 21, a second rib 22, and a third rib 23. The first rib 21 is a portion around the strap attachment hole 17 that is located on the lid 6 side (the right side in FIG. 4) and extends in the vertical direction. On the other hand, the second rib 22 is a portion around the strap attachment hole 17 that is located on the hinge 7 side (the left side in FIG. 4) and extends in the vertical direction. The vertical dimension L1 of the first rib 21 is shorter than the vertical dimension L2 of the second rib 22. The third rib 23 is a portion that is located above the strap attachment hole 17 and extends in the horizontal direction (the left-right direction in FIG. 4).

[0023] The second rib 22 has a flat portion 24 formed in a flat plane inclined with respect to the arm surface 15 near the top where it extends from the arm 8. The flat portion 24 is provided to prevent interference between the bracket 5 and the second rib 22, which is located closer to the hinge 7 than the strap attachment hole 17. By providing the flat portion 24, the top of the second rib 22 is shaped as if it has been cut into a flat plane. This makes it easier to ensure a gap dimension between the second rib 22 and the opposing bracket 5, as shown in FIG. 3 . Note that the flat portion 24 in this embodiment is formed to reach near the top of not only the second rib 22 but also the third rib 23. This also prevents interference between the third rib 23 and the bracket 5.

[0024] 4, canopy portions 25, 26 are provided around strap attachment hole 17, extending from the ribs 21-23 toward strap attachment hole 17. Canopy portions 25, 26 are provided a predetermined distance from arm surface 15 of arm 8, and extend from ribs 21-23 along arm surface 15. Canopy portions 25, 26 also function to restrict displacement of the other end of strap 13 in a direction away from arm 8. Canopy portions 25, 26 in this embodiment are formed on at least one of first rib 21 and second rib 22, and function to limit the range of movement (rotation range) of strap 13 attached to strap attachment hole 17.

[0025] The strap attachment structure 20 shown in Fig. 4 is provided with a first overhanging portion 25 and a second overhanging portion 26. The first overhanging portion 25 extends downward from the lower end edge of the first rib 21 along the plate surface of the first rib 21. The first overhanging portion 25 functions to prevent the attachment device 14 from falling out of the strap attachment hole 17 when the strap 13 is in a position extending from the strap attachment hole 17 toward the lid 6, as shown in Fig. 5(B).

[0026] On the other hand, the second overhanging portion 26 extends from near the top of the second rib 22 toward the lid 6 (the right side in FIG. 4 ) and is substantially parallel to the flat portion 24. As shown in FIG. 5(C), the second overhanging portion 26 functions to prevent the strap 13 from climbing up onto the second rib 22 when the strap 13 is in a position extending from the strap attachment hole 17 toward the hinge 7. In addition, the second overhanging portion 26 also functions to prevent the attachment 14 from slipping out of the strap attachment hole 17.

[0027] [2. Actions and Effects] (1) The strap attachment structure 20 is provided with a strap attachment hole 17, ribs 21-23, and overhanging portions 25, 26. The strap attachment hole 17 is drilled in the arm 8. The other end of the strap 13 is rotatably attached to the strap attachment hole 17. The strap 13 rotates along the arm surface 15 around the attachment tool 14. The ribs 21-23 are erected around the strap attachment hole 17. The ribs 21-23 restrict the range of rotation of the other end of the strap 13. The overhanging portions 25, 26 extend from the ribs 21-23 along the arm surface 15 at a predetermined distance from the arm surface 15. The overhanging portions 25, 26 restrict displacement of the other end of the strap 13 in a direction away from the arm 8.

[0028] In this way, by extending the overhanging portions 25, 26 from the ribs 21-23, the overhanging portions 25, 26 can restrict movement in the direction away from the arm 8, i.e., in the direction in which the mounting fixture 14 falls off, improving the fall-off prevention effect. Also, compared to a structure without the overhanging portions 25, 26, there is no need to increase the erection dimension of the ribs 21-23 from the arm surface 15; in other words, the amount of protrusion of the ribs 21-23 can be reduced. Therefore, the gap dimension with the bracket 5 can be secured. Also, because the bracket 5 can be made small, the degree of freedom in layout with surrounding components can be improved.

[0029] (2) The strap attachment structure 20 is provided with a first rib 21 that is disposed on the lid 6 side around the strap attachment hole 17, and a second rib 22 that is disposed on the hinge 7 side. Overhanging portions 25, 26 are formed on at least one of the first rib 21 and the second rib 22. Forming the first overhanging portion 25 on the first rib 21 can prevent the attachment device 14 from falling out of the strap attachment hole 17 when the strap 13 is in a position extending from the strap attachment hole 17 toward the lid 6 side, as shown in FIG. 5(B).

[0030] Furthermore, by forming the second overhanging portion 26 on the second rib 22, when the strap 13 is in a position extending from the strap attachment hole 17 toward the hinge 7, as shown in Fig. 5(C), the strap 13 can be prevented from climbing up onto the second rib 22. In addition, the attachment device 14 can be prevented from falling off from the strap attachment hole 17. Therefore, the strap attachment structure 20 described above can improve the effectiveness of preventing the strap 13 from falling off near the ends of its movable range.

[0031] (3) In the above-described strap attachment structure 20, the vertical dimension L1 of the first rib 21 is shorter than the vertical dimension L2 of the second rib 22 in a front view of the arm 8. This allows the movable range of the strap 13 to be expanded toward the lid 6, improving operability and convenience while preventing it from falling off. In addition, because the movable range toward the hinge 7 is limited compared to the lid 6 side, the strap 13 is less likely to be pinched between the arm 8 and the bracket 5 when the lid 6 is closed.

[0032] (4) The strap attachment structure 20 is provided with a first overhanging portion 25 that extends downward from the lower end edge of the first rib 21 along the plate surface of the first rib 21. As shown in Fig. 5(B), the first overhanging portion 25 functions to prevent the strap 13 from moving in a direction away from the step portion 16 (upward in Fig. 5(B)). This prevents the attachment 14 from falling out of the strap attachment hole 17, improving the prevention of falling out.

[0033] (5) The second rib 22 of the strap attachment structure 20 is provided with a flat surface 24. As shown in Fig. 4, the flat surface 24 is formed in a flat surface that is inclined with respect to the arm surface 15 so as not to interfere with the bracket 5 near the top of the second rib 22. With this configuration, a gap dimension between the bracket 5 and the second rib 22 can be secured, preventing interference.

[0034] (6) The strap attachment structure 20 is provided with a second overhanging portion 26 that extends from near the top of the second rib 22 and is substantially parallel to the flat portion 24. The second overhanging portion 26 functions to prevent the strap 13 from riding up onto the second rib 22 when the strap 13 is rotated toward the hinge 7. This makes it difficult for the strap 13 to be pinched between the arm 8 and the bracket 5. In addition, as shown in FIG. 5(C), the second overhanging portion 26 also functions to prevent the strap 13 from moving in a direction away from the stepped portion 16 (upward in FIG. 5(C)). This prevents the attachment 14 from falling out of the strap attachment hole 17, improving the fall-off prevention effect.

[0035] (7) The strap attachment structure 20 is provided with a step 16. As shown in FIG. 4, the step 16 is recessed in a direction in which the plate thickness decreases from the arm surface 15. The strap attachment hole 17 is also provided in the step 16. By providing the step 16 around the strap attachment hole 17 in this way, the range of rotation of the strap 13 can be easily limited, and the strap 13 can be reliably prevented from coming loose or being lifted up.

[0036] [3. Other] The above-described embodiment is merely illustrative, and is not intended to exclude various modifications and applications of techniques not explicitly described in the present embodiment. Each configuration of the present embodiment can be modified in various ways without departing from the spirit of the present embodiment. Furthermore, each configuration of the present embodiment can be selected or combined as needed.

[0037] In the above example, a structure in which the first overhanging portion 25 is formed on the first rib 21 and the second overhanging portion 26 is formed on the second rib 22 is illustrated, but it is sufficient to provide at least one of the first overhanging portion 25 and the second overhanging portion 26. By providing overhanging portions 25, 26 that extend from at least the ribs 21 to 23 toward the strap attachment hole 17, the effect of preventing the strap 13 from falling off can be improved, and the same effect as in the above embodiment can be achieved. [Explanation of symbols]

[0038] 1 vehicle 2 Supply room 3 Outer panel 4 Openings 5 Bracket 6 Lid 7 Hinge 8 Arm 9 Supply pipe holding hole 10 Supply port 11 Supply pipe 12 Caps 13 Strap 14 Mounting fixture 15 Arm surface 16 Step 17 Strap attachment hole 20 Strap attachment structure 21 First Rib 22 Second Rib 23 Third Rib 24 Plane part 25 First eaves 26 Second eave part L1: Vertical dimension of the first rib 21 L2: Vertical dimension of the second rib 22

Claims

1. A strap attachment structure for a vehicle including a lid that opens and closes an opening of a replenishing chamber that houses a replenishing port, an arm that rotatably supports the lid on a vehicle body via a hinge, and a string-like strap that has one end fixed to a cap attached to the replenishing port, the strap attachment structure comprising: a strap attachment hole formed in the arm, to which the other end of the strap is rotatably attached; a rib provided around the strap attachment hole to restrict the range of rotation of the other end of the strap; a canopy portion extending from the rib along the arm surface at a predetermined distance from the arm surface and restricting displacement of the other end of the strap in a direction away from the arm, the rib includes a first rib disposed on the lid side of the strap attachment hole in a front view of the arm, and a second rib disposed on the hinge side; The overhanging portion is formed on at least one of the first rib and the second rib. A strap attachment structure.

2. When viewed from the front of the arm, the vertical dimension of the first rib is shorter than the vertical dimension of the second rib.

2. The strap attachment structure according to claim 1, wherein:

3. The overhanging portion has a first overhanging portion that extends downward from the lower end side of the first rib along the plate surface of the first rib.

3. The strap attachment structure according to claim 1 or 2.

4. The second rib has a flat portion formed in a plane inclined with respect to the arm surface so as not to interfere with a bracket constituting an inner wall of the supply chamber near the top.

4. The strap attachment structure according to claim 1, wherein the strap attachment structure is a stud.

5. The overhanging portion has a second overhanging portion extending from the vicinity of the top of the second rib substantially parallel to the flat portion.

5. The strap attachment structure according to claim 4.

6. a step portion recessed from the arm surface and provided with the strap attachment hole; 6. The strap attachment structure according to claim 1, wherein the strap attachment structure is a stud.

Citation Information

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