WO2024057762A1 - Élément de fixation, structure de fixation et accessoire intérieur de véhicule - Google Patents

Élément de fixation, structure de fixation et accessoire intérieur de véhicule Download PDF

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Publication number
WO2024057762A1
WO2024057762A1 PCT/JP2023/028411 JP2023028411W WO2024057762A1 WO 2024057762 A1 WO2024057762 A1 WO 2024057762A1 JP 2023028411 W JP2023028411 W JP 2023028411W WO 2024057762 A1 WO2024057762 A1 WO 2024057762A1
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WO
WIPO (PCT)
Prior art keywords
fastener
elastic arm
fastened
fastening
elastic
Prior art date
Application number
PCT/JP2023/028411
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English (en)
Japanese (ja)
Inventor
大輔 佐藤
Original Assignee
株式会社ニフコ
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Filing date
Publication date
Application filed by 株式会社ニフコ filed Critical 株式会社ニフコ
Publication of WO2024057762A1 publication Critical patent/WO2024057762A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R7/00—Stowing or holding appliances inside vehicle primarily intended for personal property smaller than suit-cases, e.g. travelling articles, or maps
    • B60R7/08—Disposition of racks, clips, holders, containers or the like for supporting specific articles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/06—Specially-shaped heads

Definitions

  • the present invention provides a fastener having a configuration that allows introduction into a receiving portion formed in a fastening object through elastic deformation, and is fastened to the fastening object by elastic return at a position where the introduction is completed.
  • the present invention relates to a fastening structure including a fastening structure, and an automobile interior accessory constructed using the fastening structure.
  • the leg of the pin is allowed to be introduced into the grommet by elastic deformation of the claw provided on the leg, and the claw is elastically returned to the opening of the grommet when the introduction is completed.
  • Patent Document 1 An example of a grommet in which the pin is inserted and fastened to the grommet is disclosed in Patent Document 1 below.
  • the claw is formed along the central axis of the pin, has a base in the direction toward the tip of the pin, and has a free end positioned in the direction toward the head of the pin.
  • Patent Document 1 when the pin is rotated from a state where the pin is fastened to a grommet, the side part of the claw comes into contact with the opening edge of the opening, and the claw is elastically deformed inward and removed from the opening. As a result, the fastening state between the pin and the grommet is released.
  • the main problem to be solved by the present invention is that the fastening object is Even if the force required to remove the fastener from the receiving part of the fastener is set large, the force required to rotate the fastener to disengage it from the object to be fastened should not become excessive. , especially.
  • a fastener is provided with a head provided at one end, a body part connected to the head part, and an elastic member that is a part of the body part. and an arm part, which allows the introduction of the body part into the receiving part formed in the fastening target by elastic deformation of the elastic arm part toward the center of the body part, and at the completion position of the introduction.
  • a fastener that is fastened to the fastening object by causing a part of the elastic arm to enter an engagement hole formed in a side wall of the receiving part by elastic return of the elastic arm,
  • the elastic arm portion is formed along a direction that revolves around the central axis of the body portion, and has an engagement protrusion that is engaged with the engagement hole between the base and the free end of the elastic arm portion.
  • the elastic arms are formed along the direction of going around the central axis of the torso, the torso can be received by the fastener from the state where the fastener is fastened to the object to be fastened.
  • the elastic arm is difficult to deform toward the central axis, and the engagement protrusion is caught in the engagement hole, preventing the fastener from being removed.
  • the fastener when the fastener is fastened to the object to be fastened, when a torque is applied to the fastener that causes it to rotate in the direction toward the base of the elastic arm about the central axis, the engagement protrusion The elastic arm portion is in sliding contact with the edge of the engagement hole, and the elastic arm portion is likely to be elastically deformed in a direction toward the central axis. Thereby, the state in which the fastener is fastened to the fastening target can be easily released by a rotational operation with the base side of the elastic arm constituting the fastener as the rotation destination side.
  • the elastic arms are two or more elastic arms formed on the torso at intervals in a direction that revolves around the central axis, and the two or more elastic arms are
  • One aspect of the present invention is that the base of the other of the adjacent elastic arms is adjacent to one free end of the adjacent elastic arms.
  • the body portion is provided with a regulating portion that comes into contact with the elastic arm portion and prevents elastic deformation of the elastic arm portion when a force is applied in a direction to remove the body portion from the receiving portion. is one of the embodiments of this invention.
  • the body has a bottom portion in which the elastic arm portion is positioned between the body portion and the head portion, and the bottom portion is provided with the restriction portion.
  • the engaging protrusion is provided with a side inclined surface that gradually reduces the height of the engaging protrusion as it approaches the base of the elastic arm. considered to be one.
  • the engaging protrusion is provided with a lower inclined surface that gradually reduces the height of the engaging protrusion as it moves away from the head.
  • one aspect of the present invention is that the head is provided with a knob.
  • the fastening structure comprises the fastener and the receiving part of the body of the fastener, and
  • the inner diameter of the receiving part is configured to gradually decrease as it approaches the inner part of the receiving part.
  • the fastening object comprises the fastener and the receiving part of the body of the fastener, and
  • the object to be fastened is a cylindrical body having the engaging hole in the side part of the cylinder between one end of the open cylinder and the other end of the cylinder which serve as the entrance of the receiving part.
  • the force required to remove the fastener from the receiving part of the fastening object is set large, the force required to rotate the fastener and release the engagement with the fastening object is not necessary. It is possible to avoid excessive force. Further, according to the present invention, it is possible to maintain a stable fastening state of the fastener while smoothly removing the fastener from the object to be fastened.
  • FIG. 1 is a perspective view of a fastener according to an embodiment of the invention.
  • FIG. 2 is a perspective view of the fastener, showing the fastener from a different orientation than in FIG.
  • FIG. 3 is a plan view of the fastener.
  • FIG. 4 is a bottom view of the fastener.
  • FIG. 5 is a side view of the fastener.
  • FIG. 6 is a side view of the fastener, showing the fastener from a different orientation than FIG.
  • FIG. 7 is a cross-sectional configuration diagram taken along line VII-VII in FIG. 3.
  • FIG. 8 is a perspective view of a fastening object that constitutes a fastening structure together with the fastener.
  • FIG. 9 is a plan view of the object to be fastened.
  • FIG. 8 is a perspective view of a fastening object that constitutes a fastening structure together with the fastener.
  • FIG. 9 is a plan view of the object to be fast
  • FIG. 10 is a side view of the object to be fastened.
  • FIG. 11 is a side view showing the situation when the fastener is introduced into the fastening object.
  • FIG. 12 is a cross-sectional configuration diagram of main parts in the state shown in FIG. 11.
  • FIG. 13 is a perspective view showing the state when the fastener is introduced into the fastening object to the completion position of the introduction.
  • FIG. 14 is a side view of the state shown in FIG. 13.
  • FIG. 15 is a cross-sectional configuration diagram of main parts in the state shown in FIG. 13.
  • FIG. 16 is a cross-sectional configuration diagram of main parts showing a situation when a force is applied to the fastener in a direction to remove the fastener from the fastening object from the state shown in FIG. 13.
  • FIG. 13 is a side view showing the situation when the fastener is introduced into the fastening object. 11.
  • FIG. 13 is a perspective view showing the state when the fastener is introduced into the fastening
  • FIG. 17 is a side view showing the situation when the fastener is rotated from the state shown in FIG. 13 in a direction to release the fastening object.
  • FIG. 18 is a plan view of the state shown in FIG. 17.
  • FIG. 19 is a cross-sectional configuration diagram taken along line XIX-XIX in FIG. 18.
  • FIG. 20 is a perspective view of the fastening structure applied to an automobile interior accessory.
  • FIGS. 1 to 20 Hereinafter, typical embodiments of the present invention will be described based on FIGS. 1 to 20.
  • a fastener 1 that can be combined with a fastening object 2 according to this embodiment has a head 4 and a body 5, and the body 5 is introduced into a receiving part 19 formed in the fastening object 2. is allowed by elastic deformation of the elastic arm portion 6 that becomes a part of the body portion 5 in the direction of the center of the body portion 5 (center axis x1 to be described later), and the elastic arm portion 6 at the completion position of the introduction is allowed to Due to the elastic return of the elastic arm 6, a part of the elastic arm 6 can be inserted into an engagement hole 20 formed in the side wall of the receiving part 19, and can be fastened to the fastening object 2.
  • Imparting elastic deformation characteristics to the portions of the fastener 1 that should have elastic deformation characteristics can be easily achieved by making the fastener 1 a molded plastic product.
  • a fastening structure is constructed using the fastener 1 and the fastening object 2.
  • an automobile interior accessory is constructed by using the fastener 1 and the fastening object 2.
  • the object 2 to be fastened is an open cylinder end 21a serving as the entrance 19a of the receiving portion 19, a closed cylinder other end 21b, and the cylinder one end 21a and the cylinder other end 21b.
  • the cylindrical body 21 includes a cylindrical side portion 21c formed between the cylindrical body 21 and the cylindrical side portion 21c.
  • the inside of the cylindrical body 21 serves as the receiving portion 19, and the cylindrical side portion 21c functions as the side wall of the receiving portion 19.
  • outer flanges 21d are formed on one end 21a and the other end 21b of the cylindrical body 21, respectively, in a circular shape that goes around the cylindrical axis x2 (see FIG. 10) of the cylindrical body 21. There is.
  • An engagement hole 20 that communicates the inside and outside of the cylindrical body 21 is formed in the cylindrical side portion 21c between the two outer flanges 21d of the cylindrical body 21 (see FIG. 10).
  • two or more engagement holes 20 are provided with an interval between adjacent engagement holes 20 in the direction surrounding the cylindrical axis x2 of the cylindrical body 21, and in the illustrated example, 90 in the illustrated example.
  • each of the four engagement holes 20 is configured to have substantially the same size and shape as the other engagement holes 20.
  • the engagement hole 20 has a substantially rectangular window shape.
  • the engagement hole 20 is formed to have a hole edge 20a along the cylinder axis x2 and a hole edge 20b perpendicular to the cylinder axis x2.
  • the inner diameter of the receiving part 19 is configured to gradually decrease as it approaches the inner part of the receiving part 19, in the illustrated example, the other end 21b of the cylinder 21.
  • the inside and outside of the cylindrical side portion 21c of the cylindrical body 21 are shaped along the arc of an imaginary circle, and the inner diameter of the cylindrical side portion 21c is on the side of the one end 21a of the cylinder. It is wide and gradually decreases as it approaches the other end 21b of the cylinder (see FIG. 19).
  • the object 2 to be fastened may be one having the above-described receiving portion 19 and the engaging hole 20 in its side wall, and its specific structure may be changed as necessary.
  • the fastening target 2 may be the interior trim of a car, or the side of the car body.
  • the fastening object 2 further has a shaft-like body 22 that is integrated with the cylindrical body 21, and is connected to other objects 3, such as the automobile, through this shaft-like body 22. It is designed to be attached to the vehicle body side, etc. (see Figure 20).
  • the shaft-like body 22 has a bolt shape with a countersunk head 22a (see FIG. 19).
  • the shaft-like body 22 has a large diameter portion 22b from the countersunk head 22a to a position midway in the length direction, and a small diameter portion 22c extends from the large diameter portion 22b.
  • a male thread 22d is formed on the outer periphery of this narrow diameter portion 22c.
  • the shaft-like body 22 has a countersunk head 22a built into a portion constituting the other end 21b of the cylinder 21, and a portion below the countersunk head 22a, that is, a thick diameter portion 22b and a narrow diameter portion 22c. It is integrated with the cylindrical body 21 so as to protrude from the cylindrical body 21.
  • the cylindrical axis x2 of the cylindrical body 21 and the central axis of the shaft-shaped body 22 are integrated so that they are located on the same imaginary straight line.
  • a hole 21e is formed in the center of the closed part of the other end 21b of the cylinder 21, which is the innermost part of the receiving part 19 (see FIG. 12). reference).
  • a countersunk head 22a located in the hole 21e is formed with a fitting recess 22e having a shape complementary to the shape of the tip of a tool such as a screwdriver (see FIG. 9).
  • the shaft-like body 22 and the cylindrical body 21 are integrated as described above by using the shaft-like body 22 as an insert in a mold for molding the cylindrical body 21. .
  • the fastening object 2 can be attached to another object 3 by screwing the shaft-like object 22 into the screw hole 23 of the other object 3 using the male screw 22d of the shaft-like object 22. It is designed to be equipped with 3.
  • FIG. 20 shows a state in which the fastening object 2 is attached to the side wall of the interior of an automobile as another object 3.
  • reference numeral 24 indicates a side wall (trim)
  • reference numeral 25 indicates a body panel.
  • the shaft-shaped body 22 is screwed into a screw hole 23 formed in a body panel 25 through a through hole formed in a side wall 24.
  • the fastening object 2 when the fastening object 2 is provided, for example, on a side wall 24 in the interior of an automobile so that the cylindrical body 21 protrudes from this side wall 24 toward the interior of the automobile, the outer flange 21d at the two locations is The handle of a shopping bag or the like can be hung on the tube side portion 21c between the tubes, so that it can be used as a hook. Furthermore, when the fastener 1 is removed, the fastening object 2 is designed so that a string or the like is passed through the engagement hole 20 formed in the cylinder side part 21c, or a hook of a hanger or the like is hooked through the engagement hole 20. It is also possible to use it. Furthermore, the fastening object 2 can also be used to support the rod-like object in the interior of a car by having the receiving portion 19 receive the end of the rod-like object when the fastener 1 is removed. It has become.
  • the fastener 1 has a head 4 and a hollow shaft-shaped body 5 (see FIG. 1).
  • the body part 5 is attached to the receiving part 19 of the fastening object 2 with the tip 5a opposite to the connection point with the head 4 in the body part 5 first, and this tip 5a It can be introduced to a position (FIG. 15/introduction completion position) where it substantially hits the closed part of the other end of the cylindrical body 21, which is the innermost part of the receiving part 19.
  • the trunk 5 enters into the receiving part 19, and the head 4 is positioned outside the receiving part 19 (see FIG. 11).
  • the fastener 1 includes an inner cylindrical portion 7 and an outer cylindrical portion 8 (see FIG. 2).
  • Both ends of the inner cylinder portion 7 are open. Further, one end 7a of the inner cylindrical portion 7 and a portion near the end 7a constitute a part of the head 4. The other end 7b of the inner cylindrical portion 7 and its vicinity constitute a part of the tip 5a of the body portion 5.
  • the inner diameter of the outer cylindrical portion 8 is larger than the outer diameter of the inner cylindrical portion 7. Further, the total length of the outer cylindrical portion 8 is made smaller than the total length of the inner cylindrical portion 7.
  • One end 8a of the outer cylinder part 8 located adjacent to the head 4 is located closer to the tip 5a of the body part 5 than the one end 7a of the inner cylinder part 7, and the one end 8a of the outer cylinder part 8 is located closer to the tip 5a of the body part 5.
  • One end 7a of the inner cylindrical portion 7 and its vicinity protrude to form the head 4 (see FIG. 6).
  • the inner cylinder part 7 and the outer cylinder part 8 are integrated by a circumferential connecting part 9 extending between the other end 7b of the inner cylinder part 7 and the other end 8b of the outer cylinder part 8 (Fig. (see 1).
  • the fastener 1 includes a circumferential opening portion 10 that communicates with the space in the vicinity of the head 4 (see FIG. 7). Furthermore, the fastener 1 includes a bottom portion 11 formed by the circumferential connecting portion 9 in the vicinity of the tip 5a.
  • the elastic arm portion 6 is formed along a direction that revolves around the central axis x1 of the body portion 5.
  • the elastic arm portion 6 is formed on the outer cylinder portion 8 .
  • the elastic arm portions 6 are spaced apart from each other in the direction surrounding the central axis x1 of the body portion 5.
  • Four engaging holes 20 are formed at 90 degree intervals in the circumferential direction, corresponding to the number and position of the engaging holes 20.
  • each of the four elastic arms 6 is configured to have substantially the same size and shape as the other elastic arms 6.
  • the elastic arm portion 6 includes a pair of horizontally divided grooves 12 that extend along a direction that goes around the central axis x1, and a portion that extends along the central axis x1 between one end of the pair of horizontally divided grooves 12. It is constituted by a part of the outer cylindrical portion 8, which is divided by a vertically oriented groove 13 extending in the same direction.
  • One of the pair of horizontal grooves 12 is formed at substantially the same level as the inner surface of the bottom portion 11.
  • the other of the pair of horizontally directed grooves 12 is formed at a position in the middle of the entire length of the inner cylindrical portion 7 .
  • the elastic arm portion 6 formed in this manner has a free end 6a located near the vertically oriented groove 13, and the opposing position is a base portion 6b (root).
  • each of the two or more elastic arm portions 6 formed in this manner has one free end 6a of the adjacent elastic arm portions 6 in the direction surrounding the central axis x1.
  • the other base portion 6b is formed so as to be adjacent to the other base portion 6b. That is, when the fastener 1 is made to rotate in one direction (for example, the direction of the arrow r1 in FIG. 1) about the central axis It is formed so that the free end 6a is located and the base 6b is located at the rear in the direction of rotation.
  • the groove end located near the base 6b of the elastic arm portion 6 of the horizontal split groove 12 formed at the middle of the entire length of the inner cylinder portion 7 is located at the tip of the body portion 5. It is bent towards. Due to this bent portion 14, the portion of the elastic arm portion 6 near the base portion 6b has a slightly smaller width in the direction along the central axis x1 than other portions. Thereby, the elastic arm portion 6 tends to undergo elastic deformation in the direction of moving the portion near the free end 6a closer to the central axis x1, centering on the portion near the base portion 6b.
  • An engagement protrusion 15 that engages with the engagement hole 20 of the fastening object 2 is formed between the base 6b and the free end 6a of the elastic arm 6.
  • the engaging protrusion 15 is arranged on an outer surface 6d (of the elastic arm 6) located back to back with an inner surface 6c (inner surface of the outer cylindrical section 8) of the elastic arm 6, which is positioned so as to face in the direction of the central axis x1. 12).
  • the engagement protrusion 15 is located in a region between the free end 6a and a position that is approximately half of the entire length of the elastic arm 6 (the length between the base 6b and the free end 6a). (See Figure 5).
  • the engagement protrusion 15 includes a top portion 15a, a side inclined surface 15b, a lower inclined surface 15c, a side engagement surface 15d, and an upper engagement surface 15e (FIG. (See enlarged partial view).
  • a side inclined surface 15b is formed on the side of the base 6b of the elastic arm 6 with respect to the top portion 15a, and a side engaging surface 15d is formed at a position opposite to the side inclined surface 15b.
  • the top portion 15a is positioned between the side inclined surface 15b and the side engaging surface 15d in the direction around the central axis x1.
  • the side engagement surface 15d extends along an imaginary straight line y (see FIG.
  • a lower inclined surface 15c is formed in the direction of the bottom portion 11 with respect to the top portion 15a, and an upper engagement surface 15e is formed at a position opposite to the lower inclined surface 15c. That is, in the direction along the central axis x1, the top portion 15a is positioned between the upper engagement surface 15e and the lower inclined surface 15c.
  • the side inclined surface 15b is configured to gradually reduce the height of the engaging projection 15 as it approaches the base 6b of the elastic arm 6.
  • the lower inclined surface 15c is configured to gradually reduce the height of the engaging protrusion 15 as it moves away from the head 4.
  • the outer diameter of the body portion 5 is slightly larger than the inner diameter of the entrance 19a of the receiving portion 19 of the fastening object 2 and the other end 21b of the cylindrical body 21 at the position where the top 15a of the engagement protrusion 15 is formed. There is.
  • the outer diameter of the body portion 5 is large enough to fit into the receiving portion 19 except at the position where the engaging protrusion 15 is formed. Further, when the body 5 is introduced into the receiving portion 19 to the completion position, the engagement protrusion 15 is positioned at a level where it can enter the engagement hole 20.
  • the introduction operation for introducing the body part 5 into the receiving part 19 involves sliding the engaging protrusion 15 into sliding contact with the inner surface of the side wall of the receiving part 19, and the accompanying elasticity of the elastic arm part 6 in the direction approaching the central axis x1. This is allowed by deformation (see FIGS. 11 and 12). This insertion operation is performed smoothly by the lower inclined surface 15c. At this time, the elastic arm portion 6 is acted upon by a force directed toward the opposite side to the insertion direction, and is elastically deformed on the regulating portion 16 (described later) in a direction approaching the central axis x1 without hitting the regulating portion 16. It is now possible to do so.
  • the elastic arm sections 6 elastically return to engage when the engagement protrusion 15 is positioned inside the engagement hole 20.
  • the engaging protrusion 15 enters the matching hole 20 (see FIGS. 13 to 15).
  • the body part 5 has been introduced into the receiving part 19 to the complete position of introduction, but when the body part 5 has been introduced in the direction in which the engagement protrusion 15 is positioned between the adjacent engagement holes 20, the fastener 1 is The engagement protrusion 15 can be positioned inside the engagement hole 20 by slightly rotating the center axis x1 in a direction that goes around the central axis x1, and in this way, the elastic arm 6 is elastically returned as described above.
  • the engagement protrusion 15 enters the engagement hole 20. Thereby, the fastener 1 is fastened to the fastening object 2 in a so-called one-touch manner.
  • the elastic arm portion 6 Since the elastic arm portion 6 is formed along the direction that revolves around the central axis x1 of the body portion 5, the elastic arm portion 6 can move from the state where the fastener 1 is fastened to the fastening object 2 to the fastener 1. On the other hand, when a force is applied in a direction to remove the body part 5 from the receiving part 19, the elastic arm part 6 is difficult to deform in a direction approaching the central axis x1, and the engagement protrusion 15 is caught in the engagement hole 20. This prevents the fastener 1 from being removed. On the other hand, from the state in which the fastener 1 is fastened to the fastening object 2, the fastener 1 is rotated in the direction r2 (see FIG.
  • the fastener 1 is caused to rotate in the direction r1 toward the free end 6a of the elastic arm 6 about the central axis x1.
  • the side engagement surface 15d gets caught in the engagement hole 20 and rotation of the fastener 1 is prevented.
  • the engaging protrusion 15 is removed from the engaging hole 20 by the rotational operation.
  • the elastic force of the elastic arm part 6 acts on the body part 5 as a force in the direction of pulling it out from the receiving part 19.
  • the body 5 is pushed out from the receiving portion 19 and smoothly comes out.
  • the rotation operation of the elastic arm portions 6 in the direction r1 toward the base portion 6b with respect to the fastener 1 can also be performed continuously by repeating elastic deformation and elastic return of each elastic arm portion 6 (so-called idling). ), the fastener 1 will not be damaged by rotation in this direction.
  • a regulating portion 16 is provided to prevent elastic deformation of the material.
  • a regulating portion 16 that extends over the bottom portion 11 is provided.
  • the fastener 1 is provided with a through hole 17 for the string-like body W extending between the head 4 and the body 5 (see FIGS. 1, 2, and 17).
  • an inner flange 7c is formed at one end 7a of the inner cylindrical portion 7 constituting the head 4.
  • the through hole 17 is formed between the inner flange 7c and the other end 7b of the inner cylindrical portion 7 constituting the body portion 5 (see FIG. 17). Accordingly, in the illustrated example, after passing the string-like body W through the through hole 17 from the one end side, a knot Wa is made at the end of the string-like body W, and a knot is tied to the inner flange 7c within the inner cylinder portion 7.
  • the fastener 1 includes a knob 18 on the head 4 (see FIG. 2).
  • the knob portion 18 is mainly composed of a plate piece 18a that protrudes from the side of the inner tube portion 7 in a direction perpendicular to the central axis x1 at one end 7a of the inner tube portion 7 (see FIG. 3).
  • the plate piece 18a is formed so that its plate surface is aligned with the central axis x1. Further, the plate pieces 18a are formed on both sides of the inner cylinder portion 7 in the diametrical direction.
  • the protruding end 18b of the plate piece 18a is located outward from the side of the outer cylinder part 8, and the plate piece 18a and the outer cylinder part 8 are integrated in the forming range of the plate piece 18a.
  • the fastener 1 can be fastened to the fastening object 2 using the knob 18.
  • a torque in the direction of unfastening this fastening torque that causes rotation of the elastic arm portion 6 in the direction r2 toward the base 6b about the central axis x1 can be applied to the fastener 1.
  • the present invention is not limited to the embodiments described above, but includes all embodiments that can achieve the object of the present invention.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)

Abstract

L'objectif de la présente invention est d'empêcher une force requise pour libérer une mise en prise entre un élément de fixation et un objet à fixer par rotation de l'élément de fixation de devenir trop grande, y compris si une force requise pour retirer l'élément de fixation de l'objet à fixer est établie de sorte à être une grande force.　Dans cet élément de fixation, l'introduction d'une partie corps dans une partie d'acceptation formée dans l'objet à fixer est permise au moyen d'une déformation élastique de parties bras élastiques, qui forment une partie de la partie corps, vers un centre de la partie corps, et la récupération élastique des parties bras élastiques au niveau d'une position d'achèvement de ladite introduction amène des parties des parties bras élastiques à pénétrer dans des trous de mise en prise formés dans une paroi latérale de la partie d'acceptation, fixant ainsi l'élément de fixation à l'objet à fixer. Les parties bras élastiques sont formées le long d'une direction qui encercle un axe central de la partie corps, et sont chacune conçues par formation d'une partie saillie de mise en prise qui vient en prise avec le trou de mise en prise entre une partie de base et une extrémité libre de la partie bras élastique.
PCT/JP2023/028411 2022-09-15 2023-08-03 Élément de fixation, structure de fixation et accessoire intérieur de véhicule WO2024057762A1 (fr)

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JP2022-146755 2022-09-15
JP2022146755A JP2024042200A (ja) 2022-09-15 2022-09-15 留め具、留め付け構造、及び、自動車内装用アクセサリー

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08210335A (ja) * 1995-02-07 1996-08-20 Nifco Inc 物品の保持具
JP2002039131A (ja) * 2000-07-21 2002-02-06 Nifco Inc 部品の取付装置
JP2015072021A (ja) * 2013-10-01 2015-04-16 株式会社パイオラックス 取付孔への係止具

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08210335A (ja) * 1995-02-07 1996-08-20 Nifco Inc 物品の保持具
JP2002039131A (ja) * 2000-07-21 2002-02-06 Nifco Inc 部品の取付装置
JP2015072021A (ja) * 2013-10-01 2015-04-16 株式会社パイオラックス 取付孔への係止具

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