WO2012144113A1 - Dispositif de fixation - Google Patents

Dispositif de fixation Download PDF

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Publication number
WO2012144113A1
WO2012144113A1 PCT/JP2012/000026 JP2012000026W WO2012144113A1 WO 2012144113 A1 WO2012144113 A1 WO 2012144113A1 JP 2012000026 W JP2012000026 W JP 2012000026W WO 2012144113 A1 WO2012144113 A1 WO 2012144113A1
Authority
WO
WIPO (PCT)
Prior art keywords
hole
pin
head
fastener
leg
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2012/000026
Other languages
English (en)
Japanese (ja)
Inventor
太郎 清水
武虎 硯
充 福本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Nifco Inc
Original Assignee
Honda Motor Co Ltd
Nifco Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd, Nifco Inc filed Critical Honda Motor Co Ltd
Publication of WO2012144113A1 publication Critical patent/WO2012144113A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F16B19/04—Rivets; Spigots or the like fastened by riveting
    • F16B19/08—Hollow rivets; Multi-part rivets
    • F16B19/10—Hollow rivets; Multi-part rivets fastened by expanding mechanically
    • F16B19/1027—Multi-part rivets
    • F16B19/1036—Blind rivets
    • F16B19/1081—Blind rivets fastened by a drive-pin
    • 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
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/06—Releasable fastening devices with snap-action
    • F16B21/065—Releasable fastening devices with snap-action with an additional locking element
    • 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
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/95—Constructional details of connections not covered for in other groups of this subclass with markings, colours, indicators or the like

Definitions

  • the present invention relates to a fastener, and more particularly to a technique that enables a detection device to confirm a fastening completion state by a fastener.
  • JP 2010-60017 A Japanese Patent No. 4264325
  • the fastener according to Patent Document 2 has a problem that an electronic circuit must be formed in the fastener, the structure becomes complicated, and the manufacturing cost increases. In addition, there is a problem that a dedicated detector is required to confirm the fastening completion state of the fastener.
  • the present invention has been made in view of the above-described problems, and an object of the present invention is to make a fastener having a simple configuration in which a detection device can recognize a fastening completion state.
  • the present invention provides a fastener (1) that can be coupled to a member (100, 102) having a mounting hole (101, 103), and a leg (11) that can be inserted into the mounting hole. ) And a head (12) that is provided at the base end of the leg portion and cannot pass through the attachment hole, and extends from the inside of the leg portion in the axial direction of the leg portion and opens to the outer surface of the head portion An inner hole (21) is formed, and the leg portion protrudes outward from the leg portion and engages with the attachment hole, while being elastically deformable into the inner hole by elastic deformation.
  • One of the mechanisms has at least one display hole (27) that is a through hole, and when the restriction member is located at the restriction position, the head and the other of the restriction mechanism and the display hole are A predetermined mark which can be optically recognized in cooperation is formed.
  • the fastening completion state of the fastener can be confirmed by detecting the sign by the detection device.
  • the fastener does not require an electronic circuit or the like and has a simple configuration.
  • the restriction mechanism includes a first position that allows displacement of the elastic claw into the inner hole and a second position that restricts displacement of the elastic claw into the inner hole.
  • the pin (3) received in the inner hole so as to be displaceable between the head and the head so as to be displaceable between a third position and a fourth position, and is displaced from the third position to the fourth position.
  • FIG. 3 Another aspect of the present invention is a fastener (300) that can be coupled to a member (100, 102) having a mounting hole (101, 103), a leg (311) that can be inserted into the mounting hole, A head (312) that is provided at a base end of the leg and cannot pass through the attachment hole, and extends in an axial direction of the leg from the inside of the leg and opens to an outer surface of the head ( 321) is formed, and an elastic claw (334) that protrudes outward of the leg portion and engages with the attachment hole while being able to be immersed in the inner hole by elastic deformation is formed on the side portion of the leg portion.
  • a display hole (327) that is a through-hole is formed in the part, and the operating member has a colored part having a color different from that of the head, and the colored member is positioned when the operating member is located at a fourth position. The portion is exposed to the outside through the display hole.
  • the fastening completion state of the fastener can be confirmed by detecting the colored portion of the operation member exposed to the outside through the display hole when the operation member reaches the fourth position.
  • the fastener does not require an electronic circuit or the like and has a simple configuration.
  • the display hole is a plurality of slots formed in a barcode shape, and the colored portion is exposed to the outside through a predetermined slot when the operation member is located at the fourth position.
  • the predetermined barcode by the colored portion is completed on the outer surface of the fastener.
  • the colored portion is attached as a bar code figure, and when the operation member is located at a fourth position, the predetermined bar code by the colored portion is exposed to the outside through the display hole. To do.
  • the fastening completion state of the fastener can be confirmed using an existing bar code reader, and the versatility is high.
  • the pin is supported in the inner hole so as to be slidable along the axial direction of the leg portion, and the operation member extends along a direction orthogonal to the axial direction of the leg portion.
  • the pin and / or the operation member is supported by the head so as to be slidable, and the pin and / or the operation member has cam means for converting the displacement of the operation member into the displacement of the pin.
  • the pin is supported in the inner hole so as to be slidable along the axial direction of the leg portion, and the operation member is supported by the head so as to be rotatable around a predetermined axis.
  • the operation member has cam means for converting a rotational displacement of the operation member into a slide displacement of the pin.
  • the attachment direction of the main body to the member having the attachment hole is different from the operation direction of the operation member that brings the fastener into the fastening completion state, and two-stage work is required when fastening by the fastener. It becomes. Therefore, it is necessary for the worker to consciously shift the fastener to the fastening completion state, and forgetting to perform work and incomplete work are prevented.
  • One aspect of the present invention is a fastener (500) that can be coupled to a member (100, 102) having a mounting hole (101, 103), a leg (311) that can be inserted into the mounting hole, and the leg.
  • An inner hole (321) that extends from the inside of the leg in the axial direction of the leg and opens to the outer surface of the head.
  • an elastic claw (334) that protrudes outward of the leg and engages with the mounting hole, and can be immersed into the inner hole by elastic deformation. Displaced between the formed main body (302), a first position that allows displacement of the elastic claw into the inner hole, and a second position that restricts displacement of the elastic claw into the inner hole.
  • a pin (303) received in the inner hole, and the head has a through hole.
  • a display hole (327) is formed, and the pin has a colored part having a color different from that of the head, and the colored part is exposed to the outside through the display hole when the pin is located at the second position. It is characterized by that.
  • One aspect of the present invention is a fastener (200) that can be coupled to a member (100, 102) having a mounting hole (101, 103), a leg (211) that can be inserted into the mounting hole, and the leg An inner hole (221) provided at a base end of the portion and extending from the inside of the leg portion in the axial direction of the leg portion and opening to an outer surface of the head portion. And an elastic claw (234) that protrudes outward of the leg and engages with the mounting hole, and can be immersed into the inner hole by elastic deformation. Displaced between the formed main body (202), a first position that allows displacement of the elastic claw into the inner hole, and a second position that restricts displacement of the elastic claw into the inner hole.
  • the plate-like portion is composed of a plurality of slots (227) arranged in a barcode shape, and a slot group (228) representing a predetermined barcode and the slot group At least one surplus slot (229) arranged adjacent to the head is formed, and the head portion protrudes into the surplus slot when the pin is in the second position and fills the surplus slot ( 223) is formed.
  • the fastening completion state of the fastener can be confirmed using a laser-type bar code reader capable of recognizing irregularities.
  • One aspect of the present invention is a fastener (1) that can be coupled to a member (100, 102) having a mounting hole (101, 103), a leg (11) that can be inserted into the mounting hole, and the leg.
  • An inner hole (21) provided at a base end of the portion and extending through the leg portion in an axial direction from the inside of the leg portion and opening to an outer surface of the head portion.
  • an elastic claw (34) that protrudes outward of the leg portion and engages with the attachment hole, while being able to be immersed into the inner hole by elastic deformation. Displaced between the formed main body (2), a first position that allows displacement of the elastic claw into the inner hole, and a second position that restricts displacement of the elastic claw into the inner hole.
  • a pin (3) which has a plate-like portion (42) on the side opposite to the side which can be received in the inner hole and which enters the inner hole.
  • a lid member (4) coupled to the head so as to cover the pin when the pin is located at the second position, and fixing the pin at the second position,
  • the member includes a plurality of slots (27) arranged in a barcode shape, and a slot group (28) representing a predetermined barcode and at least one surplus slot (29) disposed adjacent to the slot group. And is formed on the head to project into the surplus slot and fill the surplus slot when the lid member is coupled to the head to fix the pin in the second position. (23) is formed.
  • the fastening completion state of the fastener can be confirmed using a laser-type bar code reader capable of recognizing irregularities.
  • the plate-like portion has a colored portion having a color different from that of the lid member, and the lid member is coupled to the head to fix the pin in the second position.
  • the colored portion is sometimes exposed to the outside through the slot group.
  • the fastening completion state of the fastener can be confirmed by using a CCD bar code reader capable of recognizing color, brightness, and the like.
  • An aspect of the present invention is characterized in that the lid member is rotatably supported by the head.
  • the fastener can be configured as an assembly.
  • the fastener capable of recognizing the fastening completion state by the detection device can be simplified.
  • the perspective view of the fastener concerning a 1st embodiment Sectional drawing of the fastener concerning a 1st embodiment The perspective view which shows the fastening completion state of the fastener which concerns on 1st Embodiment.
  • Sectional drawing which shows the fastening completion state of the fastener which concerns on 1st Embodiment A perspective view of a fastener according to a second embodiment.
  • Sectional drawing of the fastener concerning a 2nd embodiment The perspective view which shows the fastening completion state of the fastener which concerns on 2nd Embodiment.
  • Sectional drawing which shows the fastening completion state of the fastener which concerns on 2nd Embodiment Sectional drawing which shows the fastening completion state of the fastener which concerns on 2nd Embodiment.
  • the disassembled perspective view of the fastener which concerns on 3rd Embodiment Side view of fastener according to the third embodiment The top view of the fastener concerning a 3rd embodiment XII-XII cross section of Fig. 11 XIII-XIII cross section of Fig. 12 The side view which shows the fastening completion state of the fastener which concerns on 3rd Embodiment.
  • the fastener 1 includes a main body 2, a pin 3, and a lid 4.
  • the main body 2, the pins 3, and the lid 4 are formed by injection molding a resin material such as polyacetal.
  • the colors of the pin 3 and the lid 4 are set so that they can be clearly distinguished in the colors.
  • the lid 4 is a light color and the pin 3 is a dark color.
  • the lid 4 is white and the pin 3 is black. The color may be applied by adding a predetermined colorant to the resin material before molding the pins 3 and the lid 4 or by applying a predetermined paint after injection molding.
  • the main body 2 has a quadrangular columnar leg portion 11 extending in the vertical direction and a head portion 12 continuous with the upper end of the leg portion 11 and extending in the left-right direction, and has a T-shape when viewed from the front. That is, the head portion 12 is continuous with the upper end of the leg portion 11 at an intermediate portion in the longitudinal direction (left-right direction), and extends in a direction orthogonal to the axial direction of the leg portion 11.
  • the head 12 has a box shape opened upward, and the right side wall is formed so that the locking portion 13 penetrates, and the left side wall is provided with a hinge shaft 15 having a longitudinal axis protruding therefrom. Yes.
  • the leg portion 11 is formed with a pin receiving hole (inner hole) 21 having a quadrangular cross section penetrating the leg portion 11 in the axial direction (vertical direction), and the upper end thereof is the left-right direction of the bottom portion 14 of the head 12. Is open on the upper surface of the central portion.
  • Ribs 25 are extended along the left-right direction at the front lower edge and rear lower edge of the head 12.
  • the rib 25 has an effect of expanding the lower surface of the head 12 in the front-rear direction and increasing the contact area with an object to be attached (curtain airbag 102 described later).
  • Claw holes 33 that communicate the pin receiving hole 21 with the outer surface are respectively formed on the front side portion and the rear side portion that face each other across the pin receiving hole 21 of the leg portion 11.
  • Each is formed with an elastic claw 34 extending upward in the claw hole 33.
  • Each elastic claw 34 has an outer surface formed in a tapered shape so as to protrude outward from the leg portion toward the distal end side (upper end side), and a check surface facing upward is formed at the upper end thereof.
  • the elastic claw 34 is tilted into the pin receiving hole 21 by being elastically deformed, and can be immersed.
  • the pin 3 has a quadrangular columnar shaft portion 41 that can enter the pin receiving hole 21 and a plate-like portion 42 provided at the upper end of the shaft portion 41.
  • the shaft portion 41 is inserted into the pin receiving hole 21 to prevent the elastic claw 34 from tilting into the pin receiving hole 21.
  • the plate-like portion 42 has a main surface facing upward and extending in the left-right direction, and columnar guide shafts 43 projecting in the front-rear direction on front and rear end surfaces at both left and right ends.
  • the lid 4 is formed in a plate shape extending in the left-right direction, and has a pair of bearings 51 at the left end thereof.
  • the lid 4 is pivotally connected to the main body 2 by pivotally supporting the pair of bearings 51 on the hinge shaft 15 of the head 12.
  • a locking claw 52 that is locked to the locking portion 13 of the head 12 protrudes from the right end of the lid 4.
  • the lid 4 is provided with a guide piece 53 extending along the front and rear edges on the lower surface thereof.
  • the guide piece 53 forms a guide hole 54 that extends along the longitudinal direction of the lid 4 in cooperation with the lower surface of the lid 4.
  • the main surface of the lid 4 is formed with a plurality of slots 27 which are elongated in the front-rear direction and penetrate the lid 4 in the thickness direction in the left-right direction to form a slot group 28 representing one predetermined barcode.
  • a dummy slot (surplus slot) 29 that penetrates the lid 4 in the vertical direction is formed.
  • the dummy slot 29 is integrally integrated with the slot group 28 and prevents only the slot group 28 from being read by a laser bar code reader capable of detecting the depth.
  • protruding pieces 23 projecting into the respective dummy slots 29 in a state where the shaft portions 41 are inserted into the pin receiving holes 21 and filling the dummy slots 29 are provided.
  • the fastener 1 is configured such that the tip of the shaft portion 41 of the pin 3 enters the pin receiving hole 21 of the main body 2, and the guide shaft 43 of the pin 3 is received in the guide hole 54 of the lid 4.
  • This state is set as the initial state. In the initial state, the shaft portion 41 is not in contact with the elastic claw 34, and the elastic claw 34 can tilt inside the pin receiving hole 21.
  • a mounting hole 101 which is a rectangular through hole into which the leg portion 11 of the main body 2 of the fastener 1 can be inserted, is formed at an appropriate position of the vehicle body 100.
  • a mounting hole 103 that is a rectangular through-hole through which the leg portion 11 can be inserted is formed at an appropriate position of the ear portion (fastening portion) of the curtain airbag 102.
  • the leg 11 of the fastener 1 is inserted into the attachment hole 103 of the curtain airbag 102, the inner hole 105 of the disc spring 104, and the attachment hole 101 of the vehicle body 100 in this order.
  • the elastic claws 34 of the leg portion 11 are pressed against the hole walls of the holes 103, 105, 101 and are immersed into the pin receiving holes 21. , Passes through the holes 103, 105, 101.
  • Each elastic claw 34 protrudes from the outer surface of the leg portion 11 by its restoring force after passing through the mounting hole 101, and is caught by the hole edge of the mounting hole 101 on the check surface.
  • the fastener 1 is coupled to the vehicle body 100, and the curtain airbag 102 is sandwiched between the head 12 of the fastener 1 and the vehicle body 100 via the disc spring 104.
  • each elastic claw 34 tilts into the pin receiving hole 21, and the fastener 1 and the vehicle body 100 can be disconnected.
  • the lid 4 is rotated about the hinge shaft 15 toward the head 12 so that the upper opening of the head 12 is closed with the lid 4. Since the guide shaft 43 is received in the guide hole 54 of the lid 4, the pin 3 moves downward, that is, in a direction in which the shaft portion 41 enters the pin receiving hole 21 as the lid 4 rotates.
  • the locking claw 52 is locked to the locking portion 13 of the head 12 and the shaft portion 41 faces the back surface of the elastic claw 34. The position reaches the position, and the tilting of each elastic claw 34 into the pin receiving hole 21 is prevented. Further, the projecting piece 23 enters the dummy slot 29 and fills the dummy slot 29.
  • the dummy slot 29 is not buried in the projecting piece 23 until the upper opening of the head 12 is closed by the lid 4 and the tilting of the elastic claw 234 is prevented.
  • Bar codes from the group 28 are displayed on the upper surface of the fastener 1.
  • the barcode represented by the slot group 28 of the fastener 1 can be recognized by using a laser-type barcode reader that can recognize the depth of each slot 27.
  • the plate-like portion 42 of the pin 3 is disposed below each slot 27, so that the black color of the plate-like portion 42 is exposed to the outside through each slot 27.
  • the barcode represented by the slot group 28 of the fastener 1 can also be recognized by using a CCD barcode reader capable of recognizing a color difference.
  • the projecting piece 23 cannot completely fill the dummy slot 29, so that the laser type barcode reader is represented by the slot group 28.
  • the CCD barcode reader recognizes the barcode represented by the slot group 28. I can't.
  • the fastener 200 includes a main body 202 and a pin 203.
  • the main body 202 has a quadrangular columnar leg portion 211 extending in the up-down direction and a head portion 212 that is continuous with the upper end of the leg portion 211 and extends in the left-right direction, and has a T-shape when viewed from the front. That is, the head portion 212 is continuous with the upper end of the leg portion 211 at an intermediate portion in the longitudinal direction (left-right direction), and extends in a direction orthogonal to the axial direction of the leg portion 211.
  • the head portion 212 has a box shape opened upward, and is formed so that a locking hole 213 passes through the left and right side walls.
  • the leg portion 211 is formed with a pin receiving hole (inner hole) 221 having a quadrangular cross section penetrating the leg portion 211 in the axial direction (vertical direction), and the upper end thereof is the left-right direction of the bottom portion 214 of the head 212. Is open on the upper surface of the central portion.
  • Ribs 225 extend in the left-right direction at the front lower edge and rear lower edge of the head 212.
  • the rib 225 has an effect of expanding the lower surface of the head 212 in the front-rear direction and increasing a contact area with an object to be attached (curtain airbag 102 described later).
  • a claw hole 233 that communicates the pin receiving hole 221 and the outer surface is formed in the front side portion and the rear side portion that face each other across the pin receiving hole 221 of the leg portion 211, and the lower edge of each claw hole 233
  • Each is formed with an elastic claw 234 extending upward in the claw hole 233.
  • Each elastic claw 234 has an outer surface formed in a taper shape so as to protrude outward from the leg portion toward the distal end side (upper end side), and a check surface facing upward is formed at the upper end thereof. The elastic claw 234 is tilted into the pin receiving hole 221 by being elastically deformed, and can be immersed.
  • the pin 203 has a quadrangular columnar shaft portion 241 that can enter the pin receiving hole 221 and a plate-shaped portion 242 provided at the upper end of the shaft portion 241.
  • the shaft portion 241 is inserted into the pin receiving hole 221 to prevent the elastic claw 234 from tilting into the pin receiving hole 221.
  • the plate-like portion 242 has a main surface facing upward and extending in the left-right direction, and locking claws 243 projecting downward at both left and right ends thereof.
  • the locking claw 243 can be locked with the locking hole 213 in a state where the shaft portion 241 is inserted into the pin receiving hole 221.
  • a plurality of elongated slots 227 are formed in the front-rear direction, and a slot group 228 representing one predetermined barcode is formed.
  • the slot 227 is formed at a predetermined depth in a portion overlapping the shaft portion 241, and penetrates the plate-like portion 242 in other portions.
  • dummy slots (surplus slots) 229 that penetrate the plate-like portion 242 in the vertical direction are formed.
  • the dummy slot 229 is integrally integrated with the slot group 228 and prevents only the slot group 228 from being read by a laser-type bar code reader capable of detecting the depth.
  • the fastener 200 has an initial state in which the tip of the shaft portion 241 of the pin 203 has entered the pin receiving hole 221 of the main body 202.
  • the shaft portion 241 is not in contact with the elastic claw 234, and the elastic claw 234 can be tilted inside the pin receiving hole 221.
  • the leg portion 211 of the fastener 200 is inserted into the attachment hole 103 of the curtain airbag 102, the inner hole 105 of the disc spring 104, and the attachment hole 101 of the vehicle body 100 in this order.
  • the elastic claws 234 of the leg portion 211 are pressed into the hole walls of the holes 103, 105, and 101 and are immersed into the pin receiving holes 221. , Passes through the holes 103, 105, 101.
  • Each elastic claw 234 protrudes from the outer surface of the leg portion 211 by its restoring force after passing through the mounting hole 101, and is caught on the hole edge of the mounting hole 101 on the check surface.
  • the fastener 200 is coupled to the vehicle body 100, and the curtain airbag 102 is sandwiched between the head 212 of the fastener 200 and the vehicle body 100 via the disc spring 104.
  • each elastic claw 234 tilts into the pin receiving hole 221 and the connection between the fastener 200 and the vehicle body 100 can be released.
  • each projecting piece 223 enters each dummy slot 229 and fills the dummy slot 229.
  • the dummy slot 229 is not buried in the projecting piece 223 until the pin 203 is pushed into the main body 202 and the tilting of the elastic claw 234 is prevented.
  • the code is displayed on the upper surface of the fastener 200.
  • the barcode represented by the slot group 228 of the fastener 200 can be recognized by using a laser-type barcode reader that can recognize the depth of each slot 227.
  • the laser type barcode reader is a bar code represented by the slot group 228. The code cannot be recognized.
  • the fastener 300 includes a main body 302, a pin 303, and a slider (operation member) 304.
  • the main body 302, the pin 303, and the slider 304 are formed by injection molding a resin material such as polyacetal.
  • the color is set so that the slider 304 and the main body 302 can be clearly distinguished in color.
  • the main body 302 is a light color and the slider 304 is a dark color.
  • the main body 302 is white and the slider 304 is black.
  • the color may be applied by adding a predetermined colorant to the resin material before molding the main body 302 and the slider 304, or by applying a predetermined paint after injection molding.
  • the main body 302 has a quadrangular columnar leg portion 311 extending in the vertical direction and a head portion 312 that is continuous with the upper end of the leg portion 311 and extends in the left-right direction, and has a T-shape when viewed from the front. That is, the head 312 is continuous with the upper end of the leg 311 in the middle part in the longitudinal direction (left-right direction), and extends in a direction perpendicular to the axial direction of the leg 311.
  • the head 312 has a groove shape with an upper opening closed at the right end, a bottom plate 314 extending in the left-right direction, and a front wall 315 and a rear wall 316 extending upward along the front, rear, and right edges of the bottom plate 314.
  • a right wall 317 The upper right end of the head 312 is closed by an upper right wall 318 that connects upper ends of the front wall 315, the rear wall 316, and the right wall 317.
  • a locking wall 319 At the left end of the head 312, a locking wall 319 that connects the left end edges of the bottom plate 314, the front wall 315, and the rear wall 316 is provided. The vertical height of the locking wall 319 is set sufficiently small with respect to the front wall 315 and the rear wall 316.
  • the leg 311 is formed with a pin receiving hole (inner hole) 321 having a quadrangular cross section penetrating the leg 311 in the axial direction (vertical direction), and the upper end thereof is the horizontal direction of the bottom plate 314 of the head 312. Is open on the upper surface of the central portion.
  • guide walls 322 and 323 protrude from the left and right sides of the pin receiving hole 321.
  • the left and right guide walls 322 and 323 extend in the left-right direction in parallel with the front wall 315 and the rear wall 316, and the protruding height thereof is lower than that of the front wall 315 and the rear wall 316.
  • the left end portion of the left guide wall 322 is continuous with the locking wall 319
  • the right end portion of the right guide wall 323 is continuous with the right wall 317 and the upper right wall 318.
  • Ribs 325 extend along the left-right direction on the lower front edge of the front wall 315 and the lower rear edge of the rear wall 316.
  • the rib 325 has an effect of expanding the lower surface of the head 312 in the front-rear direction and increasing the contact area with an object to be attached (curtain airbag 102 described later).
  • the front wall 315 and the rear wall 316 are formed with a plurality of vertically elongated slots 327 penetrating in the front-rear direction in the left-right direction.
  • the plurality of slots 327 formed in the front wall 315 have a width in the left-right direction of each slot 327 so as to represent one predetermined barcode as a whole when viewed from the front side.
  • the plurality of slots 327 formed in the rear wall 316 are set to have a horizontal width of each slot 327 so as to represent one predetermined barcode as a whole when viewed from the rear side.
  • the barcode represented by the slot 327 on the front wall 315 and the barcode represented by the slot 327 on the rear wall 316 are the same in this embodiment, but may be different in other embodiments.
  • a claw hole 333 that communicates the pin receiving hole 321 and the outer surface is formed in the front side part 331 and the rear side part 32 of the leg part 311 facing each other, and the claw hole 333 is formed at the lower edge of each claw hole 333.
  • Elastic claws 334 extending upward are formed respectively.
  • Each elastic claw 334 has an outer surface formed in a taper shape so as to protrude outward from the leg portion toward the distal end side (upper end side), and a check surface facing upward is formed at the upper end thereof.
  • the elastic claw 334 is tilted into the pin receiving hole 321 by being elastically deformed, and can be immersed.
  • the pin 303 has a quadrangular columnar shaft portion 341 that can enter the pin receiving hole 321 and four elastic pieces 342 that project from the upper end of the shaft portion 341.
  • the four elastic pieces 342 are in pairs, and are arranged in parallel in the front-rear direction on the right side and left side of the upper end of the shaft part 341.
  • Each elastic piece 342 extends obliquely downward from the upper end of the shaft portion 341 to the axis of the shaft portion 341.
  • Each elastic piece 342 is formed to be elastically deformable and functions as a leaf spring.
  • the pin 303 has the lower half portion of the shaft portion 341 inserted into the pin receiving hole 321 from above, and is combined with the main body 302.
  • the left pair of elastic pieces 342 are arranged so as to sandwich the left guide wall 322 in the front and rear, and the right pair of elastic pieces 342 sandwich the right guide wall 323 in the front and rear.
  • the insertion depth of the shaft portion 341 into the pin receiving hole 321 is such that the tip of the right elastic piece 342 comes into contact with a receiving seat 343 protruding from the upper surface of the bottom plate 314 of the head 312. It is regulated by that.
  • the position of the pin 303 with respect to the main body 302 in this state is defined as an initial position (first position).
  • first position When the pin 303 is in the initial position, the tip of the shaft portion 341 does not reach the back surface of each elastic claw 334 in the vertical direction, and each elastic claw 334 can be tilted into the pin receiving hole 321. .
  • the tip of the left elastic piece 342 is spaced upward from the bottom plate 314.
  • the slider 304 has a slider main body 351 extending in the left-right direction and a pressing portion 352 provided at the left end of the slider main body 351.
  • the slider main body 351 includes a front plate portion 353 that faces the front portion and extends in the left-right direction, a rear plate portion 354 that faces the rear portion and extends in the left-right direction, and the front plate portion 353 and the rear plate portion 354.
  • the front plate portion 353 and the rear plate portion 354 extend to the right side of the connecting portion 355.
  • the right end of the connecting portion 355 is a tapered surface 356 that faces rightward and downward.
  • a guide groove 357 that opens downward extends in the left-right direction (see FIG. 16).
  • the guide groove 357 is continuous with the tapered surface 356 at the right end.
  • a lightening hole 358 is formed at an appropriate position.
  • the slider 304 is configured such that the lower portion of the slider main body 351 is in sliding contact with the upper end of the locking wall 319 and the upper portion of the left guide wall 322 is received in the guide groove 357.
  • a guide convex portion 360 extending in the left-right direction protrudes from a portion of the front wall 315 and the rear wall 316 facing each other at the upper left end.
  • the guide convex portion 360 is in sliding contact with the upper end of the slider body 351, allows the slider 304 to slide in the left-right direction, and restricts the upward movement of the slider 304.
  • a locking claw 359 that can be locked to the locking wall 319 protrudes from the lower surface of the slider body 351.
  • the locking claw 359 restricts the slider 304 from coming out to the left with respect to the head 312 by contacting the locking wall 319.
  • the position of the slider 304 with respect to the main body 302 when the locking claw 359 comes into contact with the locking wall 319 is defined as the initial position (third position) of the slider 304.
  • a protruding portion 361 that protrudes downward is formed at the lower right end of the front plate portion 353 and the rear plate portion 354 of the slider body 351.
  • the overhang portion 361 is in sliding contact with the upper surface of the bottom plate 314 of the head 312 and maintains the posture of the slider 304 with respect to the main body 302 constant.
  • the pin 303 is disposed between the front plate portion 353 and the rear plate portion 354 of the slider 304 in a state where the slider 304 is assembled to the main body 302.
  • the taper surface 356 of the slider 304 contacts the tip of the elastic piece 342 on the left side of the pin 303 in the same initial position so as to cover from above. . That is, the tapered surface 356 extends above the tip of the left elastic piece 342. As a result, the pin 303 is restricted from coming out of the main body 302 by the slider 304.
  • the front plate portion 353 and the rear plate portion 354 of the slider 304 are arranged to face the inner surfaces of the front wall 315 and the rear wall 316 of the main body 302.
  • the front plate portion 353 of the slider 304 is exposed to the outside through some of the slots 327 according to the length of the slider 304 entering the head 312. . Since the main body 302 and the slider 304 have different colors, the front plate portion 353 is visually confirmed clearly through the slot 327.
  • the rear plate portion 354 of the slider 304 is exposed to the outside through the slot 327 when the fastener 300 is viewed from the rear.
  • the front plate portion 353 of the slider 304 is not present on some back portions of the plurality of slots 327.
  • the leg 311 of the fastener 300 is inserted into the attachment hole 103 of the curtain airbag 102, the inner hole 105 of the disc spring 104, and the attachment hole 101 of the vehicle body 100 in this order.
  • the disc spring 104 is interposed to enhance the adhesion between the fastener 300 and the curtain airbag 102, and may be omitted in other embodiments.
  • Each elastic claw 334 protrudes from the outer surface of the leg 311 by its restoring force after passing through the mounting hole 101, and is caught by the hole edge of the mounting hole 101 on the check surface.
  • the fastener 300 is coupled to the vehicle body 100, and the curtain airbag 102 is sandwiched between the head 312 of the fastener 300 and the vehicle body 100 via the disc spring 104.
  • each elastic claw 334 tilts into the pin receiving hole 321, and the coupling between the fastener 300 and the vehicle body 100 can be released.
  • a rightward pressing force is applied to the pressing portion 352 of the slider 304 to push the slider 304 to the right with respect to the head 312.
  • the taper surface 356 of the slider 304 presses the elastic piece 342 on the left side of the pin 303 downward, elastically deforms the elastic piece 342, and displaces the shaft portion 341 downward into the pin receiving hole 321.
  • the lower surface of the slider 304 comes into contact with (climbs on) the upper surface of the shaft portion 341.
  • the right ends of the front plate portion 353 and the rear plate portion 354 of the slider 304 enter below the upper right wall 318 of the main body 302.
  • each elastic claw 334 is maintained in a state of protruding from the outer surface of the leg 311, and the leg 311 cannot be removed from the mounting hole 101 of the vehicle body 100.
  • a check claw that is locked to the locking wall 319 at a position after the slider operation is provided below the slider 304 so that the slider 304 is maintained at the position after the operation. Good.
  • Each elastic piece 342 of the pin 303 urges the shaft portion 341 of the pin 303 upward with respect to the main body 302 by a restoring force, but the upward displacement is restricted by the upper right wall 318 and each guide convex portion 360.
  • the position of the pin 303 with respect to the main body 302 is maintained constant.
  • the front plate portion 353 of the slider 304 is disposed on the back side of all the slots 327, and the main body 302 and A barcode based on the color difference from the slider 304 is completed.
  • the operator may recognize the fastening completion state of the fastener 300 by visually recognizing the barcode, or read the barcode appearing on the front surface of the fastener 300 by using a CCD type barcode reader.
  • the device may recognize the fastening completion state.
  • the fastener 300 changes the plurality of slots 327 formed in the head 312 to a single slot 370, and the front and rear plates of the front plate portion 353 of the slider 304.
  • a predetermined black barcode figure 371 may be drawn on the rear surface of the part 354.
  • the color of the slider 304 is preferably the same (white) as that of the main body 302 so that the barcode can be clearly recognized.
  • the fastener 400 according to the fourth embodiment is greatly different from the fastener 300 according to the third embodiment in that a slider 304 as an operation member is replaced with a shaft 401.
  • a slider 304 as an operation member is replaced with a shaft 401.
  • portions of the fastener 400 that are different from the fastener 300 will be described.
  • the structure similar to the fastener 300 attaches
  • the head 312 of the main body 302 has a bottom plate 314, a front wall 315, a rear wall 316, a right wall 317, and a left wall 402.
  • a bearing hole 403 that is coaxial with each other is formed in the right wall 317 and the left wall 402.
  • the left guide wall 322, the right guide wall 323, and the guide protrusion 360 provided on the fastener 300 are omitted from the fastener 400.
  • the pin 303 has a curved convex portion 405 protruding upward at the upper end of the shaft portion 341.
  • the pin 303 is inserted into the pin receiving hole 321 and combined with the main body 302 so that the tip of the elastic piece 342 contacts the upper surface of the bottom plate 314 of the main body 302. In this state, the shaft portion 341 does not reach each elastic claw 334 in the vertical direction, and the elastic claw 334 can be tilted into the pin receiving hole 321.
  • resin shafts 401 are rotatably supported at both left and right ends.
  • the left end of the shaft 401 protrudes to the left of the left wall 402 of the main body 302, and a rotary knob 407 having a larger diameter than the shaft 401 is provided.
  • a notch 408 for avoiding the convex portion 405 of the pin 303 and the elastic piece 342 is formed in an intermediate portion in the longitudinal direction of the shaft 401.
  • the notch 408 is formed in a semicircular cross section obtained by cutting out a semicircular portion of the shaft 401.
  • a side portion opposite to the side portion on the side where the notch 408 of the shaft 401 is provided is a colored portion 409 provided with a color (black) different from that of the main body 302 in the longitudinal direction.
  • the shaft 401 is disposed in an initial state at a rotational position where the convex portion 405 of the pin 303 and the elastic piece 342 enter the notch 408 (hereinafter, referred to as an initial position (third position) of the shaft 401).
  • an initial position (third position) of the shaft 401 When the shaft 401 is in the initial position, the convex portion 405 of the pin 303 is not pressed by the shaft 401, and the lower end of the shaft portion 341 does not reach the elastic claw 334 in the vertical direction. That is, when the shaft 401 is in the initial position, the elastic claw 334 can be tilted into the pin receiving hole 321.
  • Fastener 400 has leg 311 inserted into attachment hole 103 of curtain airbag 102, inner hole 105 of disc spring 104, and attachment hole 101 of vehicle body 100 in this order when shaft 401 is in the initial position. Thereafter, when the rotary knob 407 is rotated 90 ° counterclockwise as viewed from the left, the shaft 401 is displaced from the initial position to the post-operation position. Due to the rotation of the shaft 401, the convex portion 405 of the pin 303 is detached from the notch 408 of the shaft 401 and abuts against the peripheral surface of the shaft 401 and is pressed downward.
  • the shaft portion 341 of the pin 303 moves downward, opposes the back surface of the elastic claw 334, and prevents the elastic claw 334 from tilting into the pin receiving hole 321.
  • the colored portion 409 of the shaft 401 faces forward and is exposed to the outer surface of the fastener 400 through the slot 327. As a result, a barcode is formed on the front surface of the fastener 400.
  • the fastener 500 according to the fifth embodiment is greatly different from the fastener 300 according to the third embodiment in that the slider 304 is omitted.
  • the fastener 500 different from the fastener 300 will be described.
  • the structure similar to the fastener 300 attaches
  • the head 312 of the main body 302 has a bottom plate 314, a front wall 315, a rear wall 316, a right wall 317, and a left wall 501, and has a box shape that opens upward.
  • the left guide wall 322, the right guide wall 323, and the guide protrusion 360 provided in the fastener 300 of the third embodiment are omitted in the fastener 500 of the third embodiment.
  • the pin 303 has a shaft portion 341 and an extension portion 503 that is provided at the upper end of the shaft portion 341 and protrudes in the left-right direction.
  • the pin 303 has a color different from that of the main body 302.
  • the fastener 500 is fastened by inserting the leg 311 of the main body 302 into the mounting hole 103 of the curtain airbag 102, the inner hole 105 of the disc spring 104, and the mounting hole 101 of the vehicle body 100 in this order, and then inserting the shaft portion 341 of the pin 303 into the main body. This is done by inserting it into the pin receiving hole 321 of 302.
  • the shaft portion 341 is inserted into the pin receiving hole 321
  • the extension 503 of the pin 303 is received in the head 312 of the main body 302. Thereby, the extension part 503 of the pin 303 is arrange
  • Fastener 500 can reduce the number of parts compared to fastener 300 by the amount that slider 304 is omitted. Further, like the fastener 300, the fastener 500 may have a slot 327 as a single hole and draw a barcode on the extension 503 of the pin 303 as a modification.
  • the barcode is completed by the displacement of the slider 304, and the fastening completion state of the fastener is recognized by recognizing the barcode, but other figures are used instead of the barcode. May be.
  • the figure may be a QR code, or a single circular figure or a square figure.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insertion Pins And Rivets (AREA)

Abstract

Pour simplifier la configuration d'un dispositif de fixation afin qu'un dispositif de détection puisse identifier qu'une fixation a été effectuée, le dispositif de fixation (1) selon l'invention, qui peut être raccordé à une carrosserie de voiture (100) et à un airbag rideau (102) qui comportent des trous de fixation (101, 103), comprend : un corps principal (2) équipé d'un pied (11) et d'une tête (12), un trou de broche (21) étant formé à partir de l'intérieur du pied dans la direction axiale du pied et s'ouvrant sur la surface extérieure de la tête, et des pattes élastiques (34) étant formées sur les côtés du pied, lesdites pattes dépassant vers l'extérieur du pied et s'engageant avec les trous de fixation et étant capables de glisser à l'intérieur du trou de broche suite à une déformation élastique ; une broche (3) qui est supportée de façon mobile dans le trou de broche (21) ; et un couvercle (4) qui est supporté de façon mobile sur la tête et déplace la broche lorsqu'il est déplacé. Des fentes (27) sont formées dans le couvercle. Le couvercle est d'une couleur différente de celle de la broche et lorsque la broche est déplacée jusqu'à une position qui contraint l'inclinaison des pattes élastiques, elle est visible de l'extérieur par les fentes.
PCT/JP2012/000026 2011-04-18 2012-01-05 Dispositif de fixation Ceased WO2012144113A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-092260 2011-04-18
JP2011092260A JP2014156868A (ja) 2011-04-18 2011-04-18 ファスナ

Publications (1)

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WO2012144113A1 true WO2012144113A1 (fr) 2012-10-26

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PCT/JP2012/000026 Ceased WO2012144113A1 (fr) 2011-04-18 2012-01-05 Dispositif de fixation

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JP (1) JP2014156868A (fr)
WO (1) WO2012144113A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3495670A1 (fr) * 2017-12-05 2019-06-12 A. Raymond et Cie Fixation à force de rétention élevée
US20210341002A1 (en) * 2020-05-04 2021-11-04 Illinois Tool Works Inc. Engagement verifying fastener

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101637761B1 (ko) * 2014-12-04 2016-07-07 현대자동차주식회사 차량용 보조매트 고정구조

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6345207U (fr) * 1987-07-23 1988-03-26
JP2009103234A (ja) * 2007-10-24 2009-05-14 Nifco Inc クリップ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6345207U (fr) * 1987-07-23 1988-03-26
JP2009103234A (ja) * 2007-10-24 2009-05-14 Nifco Inc クリップ

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3495670A1 (fr) * 2017-12-05 2019-06-12 A. Raymond et Cie Fixation à force de rétention élevée
US10670059B2 (en) 2017-12-05 2020-06-02 A. Raymond Et Cie High retention force fastener
US20210341002A1 (en) * 2020-05-04 2021-11-04 Illinois Tool Works Inc. Engagement verifying fastener
US12110916B2 (en) * 2020-05-04 2024-10-08 Illinois Tool Works Inc. Engagement verifying fastener

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