JP6704746B2 - Fasteners and parts mounting structure - Google Patents

Fasteners and parts mounting structure Download PDF

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JP6704746B2
JP6704746B2 JP2016027013A JP2016027013A JP6704746B2 JP 6704746 B2 JP6704746 B2 JP 6704746B2 JP 2016027013 A JP2016027013 A JP 2016027013A JP 2016027013 A JP2016027013 A JP 2016027013A JP 6704746 B2 JP6704746 B2 JP 6704746B2
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pair
fastener
component
engaging
attachment
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JP2017145860A (en
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龍 服部
龍 服部
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Piolax Inc
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Piolax Inc
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/08Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate or non-separate gripping parts moved into their final position in relation to the body of the device without further manual operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners

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

Description

本発明は、部品を被取付部材に取り付けるための留め具、および部品と留め具からなる部品取付構造に関する。 The present invention relates to a fastener for attaching a component to a member to be attached, and a component attachment structure including the component and the fastener.

特許文献1には、車両の飾り部材を車体に取り付けるための固定構造が開示される。飾り部材は、裏面から延びるボス部材を有し、ボス部材を挟むクリップを用いて車体に取り付けられる。 Patent Document 1 discloses a fixing structure for attaching a vehicle decoration member to a vehicle body. The decorative member has a boss member extending from the back surface, and is attached to the vehicle body using clips that sandwich the boss member.

特許文献1に開示されるクリップは、U字状の本体と、本体の開口側の基端に形成されたフランジと、基端側から延びる一対の弾性ロック脚部とを有する。一対の弾性ロック脚部の肩部が取付孔の縁に係合して、クリップが取付孔に抜け止めされる。ボス部材は複数の種類を有し、一対の弾性ロック脚部が当接する箇所のボス部材の厚さが異なることが開示される。 The clip disclosed in Patent Document 1 has a U-shaped main body, a flange formed at the base end on the opening side of the main body, and a pair of elastic lock leg portions extending from the base end side. The shoulders of the pair of elastic lock legs are engaged with the edges of the mounting hole to prevent the clip from slipping out of the mounting hole. It is disclosed that there are a plurality of types of boss members, and the thicknesses of the boss members at positions where a pair of elastic lock leg portions abut are different.

米国特許第7300089号明細書U.S. Pat. No. 7,300,809

特許文献1に開示される技術では、同じクリップを用いてボス部材の厚さを変えることで、取付状態のクリップを取付孔から引き抜く抜去力を変えている。しかしながら、取付孔の大きさの制約や、ボス部材の剛性の確保などにより、抜去力の下限値と上限値の差を大きくすることが困難であった。 In the technique disclosed in Patent Document 1, the pulling force for pulling out the clip in the attached state from the attachment hole is changed by changing the thickness of the boss member using the same clip. However, it is difficult to increase the difference between the lower limit value and the upper limit value of the withdrawal force due to the restriction of the size of the mounting hole and the securing of the rigidity of the boss member.

本発明はこのような課題に鑑みてなされたものであり、その目的は、同じ留め具を用いて、留め具を取付孔から引き抜く抜去力の下限値を下げる技術を提供することにある。 The present invention has been made in view of such a problem, and an object thereof is to provide a technique of lowering the lower limit value of the withdrawal force for pulling a fastener out of a mounting hole using the same fastener.

上記課題を解決するために、本発明のある態様は、部品を被取付部材に取り付けるための留め具であって、対向する一対の脚部と、一対の脚部の先端側を連結する連結部と、を備える。一対の脚部は、基端側から先端側に向かって延出し、部品の第1取付部を挟んだ状態で被取付部材の取付孔の縁に係合する一対の係合部を有する。一対の係合部は、第1取付部を挟んだ状態で先端同士が交差可能である。 In order to solve the above-mentioned problem, an aspect of the present invention is a fastener for attaching a component to a member to be attached, and a pair of leg portions facing each other and a connecting portion for connecting the tip ends of the pair of leg portions. And The pair of leg portions has a pair of engaging portions that extend from the base end side toward the distal end side and that engage with the edges of the mounting holes of the mounted member while sandwiching the first mounting portion of the component. The pair of engaging portions can have their tips intersect with each other while sandwiching the first mounting portion.

本発明の別の態様は、部品取付構造である。この部品取付構造は、部品と、部品を被取付部材に取り付けるための留め具と、を備える。留め具は、対向する一対の脚部と、一対の脚部の先端側を連結する連結部と、を有する。部品は、一対の脚部に挟まれる第1取付部と、第1取付部の先端側に切り欠かれるように形成された切欠部と、を有する。一対の脚部は、基端側から先端側に向かって延出し、部品の第1取付部を挟んだ状態で被取付部材の取付孔の縁に係合する一対の係合部を有する。一対の係合部は、第1取付部を挟んだ状態で先端同士が切欠部に入って交差可能である。 Another aspect of the present invention is a component mounting structure. The component mounting structure includes a component and a fastener for mounting the component on a member to be mounted. The fastener has a pair of legs that face each other and a connecting portion that connects the distal ends of the pair of legs. The component has a first attachment portion sandwiched between a pair of legs, and a cutout portion formed so as to be cut out on the tip side of the first attachment portion. The pair of leg portions has a pair of engaging portions that extend from the base end side toward the distal end side and that engage with the edges of the mounting holes of the mounted member while sandwiching the first mounting portion of the component. The pair of engaging portions are capable of intersecting with each other by inserting their first ends into the notch portions while sandwiching the first attaching portion.

本発明によれば、留め具を取付孔から引き抜く抜去力の下限値を下げることができる技術を提供できる。 According to the present invention, it is possible to provide a technique capable of lowering the lower limit value of the withdrawal force for withdrawing the fastener from the attachment hole.

部品と留め具からなる部品取付構造を示す図である。It is a figure which shows the component attachment structure which consists of components and a fastener. 留め具の斜視図である。It is a perspective view of a fastener. 図3(a)は、留め具の側面図であり、図3(b)は、留め具の正面図であり、図3(c)は、留め具の底面図である。3(a) is a side view of the fastener, FIG. 3(b) is a front view of the fastener, and FIG. 3(c) is a bottom view of the fastener. 部品の第1取付部を説明するための図である。It is a figure for demonstrating the 1st attachment part of a component. 図5(a)は、部品の第1取付部の正面図であり、図5(b)は、部品の第1取付部の側面図であり、図5(c)は、部品の第1取付部の底面図である。5A is a front view of the first mounting portion of the component, FIG. 5B is a side view of the first mounting portion of the component, and FIG. 5C is a first mounting portion of the component. It is a bottom view of a part. 部品の第2取付部を説明するための斜視図である。It is a perspective view for explaining the 2nd attachment part of a part. 図7(a)は、部品の第2取付部の正面図であり、図7(b)は、部品の第2取付部の底面図である。FIG. 7A is a front view of the second mounting portion of the component, and FIG. 7B is a bottom view of the second mounting portion of the component. 留め具が第2取付部に係止した状態を示す図である。It is a figure which shows the state which the fastener was engaging with the 2nd attachment part. 第1取付部および留め具の被取付部材の取付孔への取付動作について説明するための図である。It is a figure for demonstrating the attachment operation|movement to the attachment hole of the to-be-attached member of a 1st attachment part and a fastener. 第2取付部および留め具の被取付部材の取付孔への取付動作について説明するための図である。It is a figure for demonstrating the attachment operation|movement to the attachment hole of the to-be-attached member of a 2nd attachment part and a fastener.

図1は、部品22と留め具20からなる部品取付構造10を示す図である。図1(a)は留め具20の基端側を見下ろした図であり、図1(b)は留め具20の先端側から見上げた図である。 FIG. 1 is a diagram showing a component mounting structure 10 including a component 22 and a fastener 20. FIG. 1A is a view looking down on the base end side of the fastener 20, and FIG. 1B is a view looking up from the tip side of the fastener 20.

部品取付構造10は、部品22を被取付部材に取り付けるために用いられる。部品22は、本体部56、第1取付部49および第2取付部(不図示)を有する。図1(a)および(b)の本体部56は一部を示したものであり、例えば、座席のアームレストのカバーや、窓を開閉するスイッチ素子などが設けられる操作パネルなどであってよい。 The component attachment structure 10 is used to attach the component 22 to a member to be attached. The component 22 has a main body portion 56, a first mounting portion 49 and a second mounting portion (not shown). The main body 56 of FIGS. 1A and 1B shows a part thereof, and may be, for example, a cover of an armrest of a seat, an operation panel provided with a switch element for opening and closing a window, or the like.

第1取付部49は、部品22に複数設けられ、本体部56の裏面から垂下するように形成される。また、部品22には、第1取付部49に加えて、後述する第2取付部が設けられる。1つの部品に形成された第1取付部49および第2取付部はいずれも同じ留め具20によって被取付部材に形成された複数の取付孔に取り付けられる。 A plurality of first attachment portions 49 are provided on the component 22, and are formed so as to hang from the back surface of the main body portion 56. In addition to the first mounting portion 49, the component 22 is provided with a second mounting portion described later. Both the first attachment portion 49 and the second attachment portion formed on one component are attached to the plurality of attachment holes formed on the attached member by the same fastener 20.

留め具20は、第1取付部49を挟んで係止し、第1取付部49と一体にされる。第1取付部49および留め具20を取付孔に挿入すると、留め具20が取付孔の縁に係合して抜け止めされる。留め具20および部品22について新たな図面を参照して詳細に説明する。 The fastener 20 is locked by sandwiching the first mounting portion 49 and is integrated with the first mounting portion 49. When the first attachment portion 49 and the fastener 20 are inserted into the attachment hole, the fastener 20 engages with the edge of the attachment hole and is prevented from coming off. The fasteners 20 and components 22 will be described in detail with reference to the new drawings.

図2は、留め具20の斜視図である。また、図3(a)は、留め具20の側面図であり、図3(b)は、留め具20の正面図であり、図3(c)は、留め具20の底面図である。 FIG. 2 is a perspective view of the fastener 20. 3(a) is a side view of the fastener 20, FIG. 3(b) is a front view of the fastener 20, and FIG. 3(c) is a bottom view of the fastener 20.

留め具20は、一対の脚部24と、一対の脚部24を連結する連結部26と、取付孔の表側の縁に引っ掛かる一対のフランジ部28とを有する。連結部26は、一対の脚部24の先端側を連結し、一対のフランジ部28は、一対の脚部24の基端側から対向方向外向きに張り出す。変形例ではフランジ部28は、一対の脚部24のいずれか一方に設けられてよい。 The fastener 20 includes a pair of leg portions 24, a connecting portion 26 that connects the pair of leg portions 24, and a pair of flange portions 28 that are hooked on the front edges of the mounting holes. The connecting portion 26 connects the tip ends of the pair of leg portions 24, and the pair of flange portions 28 extends outward in the facing direction from the base end sides of the pair of leg portions 24. In a modification, the flange portion 28 may be provided on either one of the pair of leg portions 24.

なお、留め具20の先端は、取付孔への挿入方向の先端をいう。また、一対の脚部24が向かい合う方向を対向方向といい、脚部24が基端から先端に向かう方向を延出方向または垂下方向といい、対向方向および延出方向に直交する方向を幅方向という。延出方向は、取付孔への挿入方向に沿い、第1取付部49が本体部56の裏面から垂下する方向に沿う。 The tip of the fastener 20 is the tip in the insertion direction into the mounting hole. Further, the direction in which the pair of leg portions 24 face each other is referred to as an opposite direction, the direction in which the leg portions 24 extend from the base end to the distal end is referred to as an extending direction or a hanging direction, and the direction orthogonal to the facing direction and the extending direction is the width direction. That. The extending direction is along the inserting direction into the mounting hole, and is along the direction in which the first mounting portion 49 hangs from the back surface of the main body portion 56.

一対の脚部24は、それぞれ同じ形状である。脚部24は、一対の支持部32と、係合部30とを有する。一対の支持部32は、図3(b)に示すように幅方向に離間し、平行に柱状に形成される。一対の支持部32は、基端がフランジ部28に連設し、先端が連結部26に連設する。 The pair of legs 24 have the same shape. The leg portion 24 has a pair of support portions 32 and an engagement portion 30. As shown in FIG. 3B, the pair of support portions 32 are separated from each other in the width direction and are formed in parallel in a columnar shape. The base ends of the pair of support portions 32 are connected to the flange portion 28, and the tip ends thereof are connected to the connecting portion 26.

一対の支持部32の内面には、内方に突出する係止部40がそれぞれ形成される。係止部40は、支持部32の略中央の位置に形成され、部品22の第1取付部49に係止して、留め具20を部品22に組み付ける。 Locking portions 40 that project inward are formed on the inner surfaces of the pair of support portions 32, respectively. The locking portion 40 is formed at a substantially central position of the support portion 32 and locks with the first mounting portion 49 of the component 22 to assemble the fastener 20 to the component 22.

係合部30は、一対の支持部32の間に形成される。係合部30は、基端側のフランジ部28から先端に向かって延出し、自由端を有する。図2に示すように、係合部30の基端部30aは支持部32の基端部より対向方向外側に位置する。係合部30は、取付孔に挿入する際に対向方向に撓む。係合部30は、係合面42、湾曲面44、切片46および凹部48を有する。 The engagement portion 30 is formed between the pair of support portions 32. The engagement portion 30 extends from the flange portion 28 on the base end side toward the tip and has a free end. As shown in FIG. 2, the base end portion 30 a of the engagement portion 30 is located outside the base end portion of the support portion 32 in the facing direction. The engaging portion 30 bends in the opposite direction when it is inserted into the mounting hole. The engagement portion 30 has an engagement surface 42, a curved surface 44, a segment 46 and a recess 48.

係合面42は、先端に向かって対向方向外向きに張り出すように傾斜し、取付孔の裏縁に係合する。係合面42は、支持部32より対向方向外向きに張り出す。湾曲面44は、係合面42の先端側の端部から対向方向内向きに湾曲する。また、係合部30の内面は、湾曲面44の湾曲に沿って対向方向内向きに湾曲する。 The engagement surface 42 is inclined so as to project outward in the facing direction toward the tip, and engages with the back edge of the mounting hole. The engagement surface 42 projects outward from the support portion 32 in the facing direction. The curved surface 44 is curved inward in the facing direction from the end portion of the engagement surface 42 on the distal end side. The inner surface of the engaging portion 30 is curved inward in the facing direction along the curve of the curved surface 44.

凹部48は、係合部30の先端部を切り欠くように凹んで形成される。凹部48は、係合部30の幅方向長さの略半分を切り欠くように形成される。切片46は、係合部30の先端に、凹部48により形成される。 The recess 48 is formed by recessing the tip of the engaging portion 30 so as to be cut out. The concave portion 48 is formed so as to cut out approximately half of the widthwise length of the engaging portion 30. The piece 46 is formed by a recess 48 at the tip of the engaging portion 30.

図3(b)および図3(c)に示すように、一対の係合部30では、切片46と凹部48とが交互に配置され、切片46同士が対向しないように配置される。これにより、一対の係合部30が接近した際に、切片46同士が干渉せず、一方の係合部30に形成された切片46が他方の係合部30に形成された凹部48に入って切片46同士が交差できる。そのため、一対の係合部30の対向方向の拡開量を小さくして、被取付部材の裏面に対する係合面42の傾斜角を大きくでき、留め具20を取付孔から引き抜く抜去力の下限値を下げることができる。 As shown in FIGS. 3B and 3C, in the pair of engaging portions 30, the pieces 46 and the recesses 48 are alternately arranged, and the pieces 46 are arranged so as not to face each other. As a result, when the pair of engaging portions 30 approach each other, the pieces 46 do not interfere with each other, and the piece 46 formed in one engaging portion 30 enters the recess 48 formed in the other engaging portion 30. The sections 46 can cross each other. Therefore, the amount of expansion of the pair of engaging portions 30 in the facing direction can be reduced to increase the inclination angle of the engaging surface 42 with respect to the back surface of the mounted member, and the lower limit value of the pulling force for pulling the fastener 20 out of the mounting hole. Can be lowered.

図4は、部品22の第1取付部49を説明するための図である。また、図5(a)は、部品22の第1取付部49の正面図であり、図5(b)は、部品22の第1取付部49の側面図であり、図5(c)は、部品22の第1取付部49の底面図である。 FIG. 4 is a diagram for explaining the first mounting portion 49 of the component 22. 5(a) is a front view of the first mounting portion 49 of the component 22, FIG. 5(b) is a side view of the first mounting portion 49 of the component 22, and FIG. FIG. 6 is a bottom view of the first mounting portion 49 of the component 22.

第1取付部49は、本体部56から垂下し、図5(c)に示すように、断面がH字状に形成される。第1取付部49は、壁部50、一対の側壁部52、一対の係止孔54および切欠部58を有する。一対の側壁部52が向かい合う方向は、留め具20の幅方向に沿い、壁部50の面直方向は留め具20の対向方向に沿う。 The first attachment portion 49 hangs down from the main body portion 56 and is formed in an H-shaped cross section as shown in FIG. 5C. The first mounting portion 49 has a wall portion 50, a pair of side wall portions 52, a pair of locking holes 54, and a cutout portion 58. The direction in which the pair of side wall portions 52 face each other is along the width direction of the fastener 20, and the perpendicular direction of the wall portion 50 is along the opposite direction of the fastener 20.

壁部50は、平板状に形成され、本体部56の裏面に垂設される。一対の側壁部52は、壁部50の両側部にそれぞれ連設し、本体部56から壁部50の先端に亘って形成される。留め具20が一対の側壁部52の間に収まることで、一対の側壁部52は、壁部50に係止する留め具20を保護し、搬送時などに留め具20が外れたり、損傷しないようにできる。 The wall portion 50 is formed in a flat plate shape and is vertically provided on the back surface of the main body portion 56. The pair of side wall portions 52 are continuously provided on both sides of the wall portion 50 and are formed from the main body portion 56 to the tip of the wall portion 50. Since the fastener 20 is housed between the pair of side wall portions 52, the pair of side wall portions 52 protect the fastener 20 that is locked to the wall portion 50, and the fastener 20 does not come off or be damaged during transportation. You can

一対の係止孔54は、図5(a)に示すように幅方向に離れて、壁部50の中途に形成される。係止孔54には、留め具20の係止部40が挿入されて係止される。 The pair of locking holes 54 are formed in the middle of the wall portion 50 so as to be separated in the width direction as shown in FIG. The locking portion 40 of the fastener 20 is inserted and locked in the locking hole 54.

切欠部58は、壁部50の先端部50aを切り欠くように形成され、係止孔54より先端側に位置する。切欠部58は、壁部50の先端部50aの幅方向の中央部分に、基端側に矩形状に凹むように形成される。切欠部58には、留め具20の係合部30の先端が入ることが可能である。壁部50の先端部50aは、取付孔への挿入時に留め具20が基端側に動くことを制限する。 The cutout portion 58 is formed so as to cut out the front end portion 50 a of the wall portion 50, and is located closer to the front end side than the locking hole 54. The notch portion 58 is formed in a central portion in the width direction of the tip portion 50a of the wall portion 50 so as to be recessed in a rectangular shape toward the base end side. The tip of the engaging portion 30 of the fastener 20 can be inserted into the cutout portion 58. The tip portion 50a of the wall portion 50 restricts the movement of the fastener 20 toward the proximal end side when the fastener 20 is inserted into the mounting hole.

図6は、部品22の第2取付部60を説明するための斜視図である。また、図7(a)は、部品22の第2取付部60の正面図であり、図7(b)は、部品22の第2取付部60の底面図である。 FIG. 6 is a perspective view for explaining the second mounting portion 60 of the component 22. Further, FIG. 7A is a front view of the second mounting portion 60 of the component 22, and FIG. 7B is a bottom view of the second mounting portion 60 of the component 22.

第2取付部60は、図4に示す第1取付部49と比べて、先端に切欠部58が形成されていない点と、突部64が形成される点が異なる。第2取付部60は、留め具20により被取付部材の取付孔に抜け止めされる。 The second mounting portion 60 is different from the first mounting portion 49 shown in FIG. 4 in that the notch portion 58 is not formed at the tip and the protruding portion 64 is formed. The second mounting portion 60 is retained by the fastener 20 in the mounting hole of the mounted member.

第2取付部60は、壁部62、一対の側壁部52、一対の係止孔54および複数の突部64を有する。壁部62は、平板状に形成され、本体部56の裏面に垂設される。壁部62の先端側に切欠部は形成されていない。これにより、留め具20の一対の係合部30の接近が制限される。 The second mounting portion 60 has a wall portion 62, a pair of side wall portions 52, a pair of locking holes 54, and a plurality of protrusions 64. The wall portion 62 is formed in a flat plate shape, and is vertically provided on the back surface of the main body portion 56. No cutout portion is formed on the front end side of the wall portion 62. This limits the approach of the pair of engaging portions 30 of the fastener 20.

複数の突部64は、壁部62の両面に突出して形成され、延出方向に沿ってリブ状に形成される。複数の突部64は、図7(a)に示すように一対の係止孔54の間に形成される。複数の突部64の表面は、基端側から先端側に亘って平らに形成される。これにより、留め具20の係合部30が突部64上を摺動しやくなる。 The plurality of protrusions 64 are formed so as to protrude on both sides of the wall 62, and are formed in a rib shape along the extending direction. The plurality of protrusions 64 are formed between the pair of locking holes 54 as shown in FIG. The surfaces of the plurality of protrusions 64 are formed flat from the base end side to the tip end side. As a result, the engaging portion 30 of the fastener 20 easily slides on the protrusion 64.

図8は、留め具20が第2取付部60に係止した状態を示す。一対の係合部30が第2取付部60を挟んだ状態で、係合部30の先端である切片46は、突部64に当接する。一方、凹部48は突部64に当接しない。 FIG. 8 shows a state in which the fastener 20 is locked to the second attachment portion 60. With the pair of engagement portions 30 sandwiching the second attachment portion 60, the segment 46 that is the tip of the engagement portion 30 contacts the protrusion 64. On the other hand, the recess 48 does not contact the protrusion 64.

一対の係合部30は、対向方向により拡開した状態で、接近するような撓みが制限された状態にある。これにより、留め具20および第2取付部60を被取付部材の取付孔から引き抜こうとした場合の抜去力が、留め具20および第1取付部49を取付孔から引き抜こうとした場合より大きくなるように構成できる。 The pair of engaging portions 30 are in a state in which the bending so as to approach each other is limited in a state in which the engaging portions 30 are expanded in the facing direction. Thereby, the removal force when pulling out the fastener 20 and the second mounting portion 60 from the mounting hole of the mounted member becomes larger than when pulling out the fastener 20 and the first mounting portion 49 from the mounting hole. Can be configured to.

また、同じ部品22に設けられる第1取付部49および第2取付部60を同じ留め具20により被取付部材に取り付けることで、第1取付部49の抜去力を相対的に小さくし、第2取付部60の抜去力を相対的に大きくできる。また、第1取付部49に切欠部58を形成すること、および第2取付部60に突部64を形成することで、一対の係合部30の対向方向の拡開量の差を大きくして第1取付部49と第2取付部60の抜去力の差を大きくできる。 Further, by attaching the first attachment portion 49 and the second attachment portion 60 provided on the same component 22 to the attached member with the same fastener 20, the removal force of the first attachment portion 49 is made relatively small, and The removal force of the mounting portion 60 can be made relatively large. Further, by forming the cutout portion 58 in the first attachment portion 49 and forming the protrusion 64 in the second attachment portion 60, the difference between the expansion amounts of the pair of engagement portions 30 in the facing direction is increased. As a result, the difference in the withdrawal force between the first mounting portion 49 and the second mounting portion 60 can be increased.

例えば、長手状のアームレストカバーが部品22である場合、アームレストカバーの裏面に複数の取付部が長手方向に沿って配置される。ユーザがアームレストカバーの一端を把持して取付孔から引き抜こうとした場合、中央側の取付部の抜去力が強固であれば、アームレストカバーが大きく反り返って損傷することがある。アームレストカバーの両端側に第2取付部60が形成され、アームレストカバーの中央側に第1取付部49が形成される。これにより、アームレストカバーの両端側を強固に取り付けることができる。そして、スイッチの故障などでアームレストカバーを取り外す際、ユーザは両端側の第2取付部60を引き抜けば、中央側の第1取付部49を低い抜去力で容易に引き抜くことができ、アームレストカバーを損傷することなく容易に取り外すことができる。 For example, when the elongated armrest cover is the component 22, a plurality of mounting portions are arranged on the back surface of the armrest cover along the longitudinal direction. When the user grips one end of the armrest cover and tries to pull it out from the attachment hole, the armrest cover may be largely warped and damaged if the removal force of the attachment portion on the center side is strong. Second mounting portions 60 are formed on both end sides of the armrest cover, and first mounting portions 49 are formed on the center side of the armrest cover. Thereby, both end sides of the armrest cover can be firmly attached. When the armrest cover is removed due to a switch failure or the like, the user can easily pull out the central first mounting portion 49 with a low pulling force by pulling out the second mounting portions 60 on both end sides. Can be easily removed without damage.

また、同じ部品22に設けられる第1取付部49および第2取付部60を、1種類の留め具20で取付孔に抜け止めできるため、部品22への留め具20の組み付け作業を容易にし、留め具20を共通化して製造コストを抑えることができる。 Further, since the first attachment portion 49 and the second attachment portion 60 provided on the same component 22 can be retained in the attachment hole with one type of fastener 20, the work of assembling the fastener 20 to the component 22 is facilitated, It is possible to reduce the manufacturing cost by sharing the fastener 20.

同じ留め具20を用いて第1取付部49および第2取付部60を取り付けた場合において、留め具20を取付孔から引き抜く抜去力の上限値および下限値の差を十分に大きくできれば、例えば係合面42の傾斜角を変更することで、その抜去力の差を維持しつつ、上限値および下限値を全体的に底上げして抜去力を高めることができる。このため、留め具20の抜去力の下限値を下げても、係合面42の傾斜角を変更して、所望の抜去力を確保することができる。 When the first attachment portion 49 and the second attachment portion 60 are attached using the same fastener 20, if the difference between the upper limit value and the lower limit value of the withdrawal force for withdrawing the fastener 20 from the attachment hole can be made sufficiently large, for example, By changing the inclination angle of the mating surface 42, it is possible to raise the upper limit value and the lower limit value as a whole and increase the removal force while maintaining the difference in the removal forces. Therefore, even if the lower limit value of the withdrawal force of the fastener 20 is lowered, it is possible to change the inclination angle of the engagement surface 42 and secure a desired withdrawal force.

図9は、第1取付部49および留め具20の被取付部材12の取付孔12aへの取付動作について説明するための図である。取付孔12aは矩形状である。 FIG. 9 is a view for explaining the operation of attaching the first attachment portion 49 and the fastener 20 to the attachment hole 12a of the attached member 12. The mounting hole 12a has a rectangular shape.

図9(a)に示すように、作業者が部品22を被取付部材12に向かって押すことで、第1取付部49および留め具20は、先端から取付孔12aに挿入される。留め具20が取付孔12aに挿入され、図9(b)に示すように、係合部30の湾曲面44が取付孔12aの表側の孔縁に当接し、一対の係合部30が接近するように撓む。 As shown in FIG. 9A, when the worker pushes the component 22 toward the mounted member 12, the first mounting portion 49 and the fastener 20 are inserted into the mounting hole 12a from the tips. The fastener 20 is inserted into the mounting hole 12a, and the curved surface 44 of the engaging portion 30 comes into contact with the hole edge on the front side of the mounting hole 12a, so that the pair of engaging portions 30 approach each other, as shown in FIG. 9B. Bend as you do.

さらに押し込むと、図9(c)に示すようにさらに一対の係合部30が接近し、対向方向に切片46同士が交差する。湾曲面44の上端が取付孔12aを超えると、一対の係合部30が復元力により拡開して、図9(d)に示すように係合面42が取付孔12aの裏縁に係合する。このように一対の係合部30は、部品22の第1取付部49を挟んだ状態で先端側から取付孔12aに挿入されて取付孔12aの裏縁に係合し、取付作業が完了する。 When pushed further, the pair of engaging portions 30 further approaches as shown in FIG. 9C, and the pieces 46 intersect with each other in the facing direction. When the upper end of the curved surface 44 exceeds the mounting hole 12a, the pair of engaging portions 30 expands due to the restoring force, and the engaging surface 42 engages with the back edge of the mounting hole 12a as shown in FIG. 9D. To meet. In this way, the pair of engaging portions 30 are inserted into the mounting hole 12a from the tip end side with the first mounting portion 49 of the component 22 sandwiched therebetween and engage with the back edges of the mounting hole 12a, and the mounting work is completed. ..

一対の係合部30の切片46同士は、第1取付部49を挟んだ状態で、第1取付部49の先端側に形成された切欠部58に入って交差する。これにより、一対の係合部30をより接近させることができ、第1取付部49および留め具20を取付孔12aから引き抜くための抜去力を小さくできる。 The pieces 46 of the pair of engaging portions 30 enter the notch portion 58 formed at the tip end side of the first attaching portion 49 with the first attaching portion 49 interposed therebetween, and intersect each other. As a result, the pair of engaging portions 30 can be brought closer to each other, and the withdrawal force for withdrawing the first attachment portion 49 and the fastener 20 from the attachment hole 12a can be reduced.

一対の係合部30が接近して一対の切片46が交差した状態で、一方の係合部30の凹部48が他方の係合部30に当接して、一対の係合部30の接近を規制する。係合部30同士の接近を規制することで、抜去力を小さくするものの、所望の抜去力を確保して係合状態を維持できる。 With the pair of engaging portions 30 approaching each other and the pair of segments 46 intersecting each other, the recess 48 of one engaging portion 30 abuts the other engaging portion 30 so that the pair of engaging portions 30 approach each other. regulate. By restricting the approaching of the engaging portions 30 to each other, the withdrawal force is reduced, but a desired withdrawal force can be secured and the engaged state can be maintained.

また、一対の係合部30が接近した際に、係合部30の内面が第1取付部49、すなわち切欠部58の上縁に当接することなく、一方の凹部48を他方の係合部30に当てて接近が制限される。これにより、係合部30の接近が第1取付部49に制限されることなく、係合部30の撓み代を長く確保できるため、係合部30を撓みやすく構成できる。 Further, when the pair of engaging portions 30 approach each other, the inner surface of the engaging portion 30 does not contact the first mounting portion 49, that is, the upper edge of the cutout portion 58, and one recess 48 is inserted into the other engaging portion 30. Access is restricted to 30. Thereby, the approaching portion of the engaging portion 30 is not limited to the first mounting portion 49, and the bending margin of the engaging portion 30 can be secured for a long time, so that the engaging portion 30 can be easily bent.

図10は、第2取付部60および留め具20の被取付部材12の取付孔12aへの取付動作について説明するための図である。第2取付部60の取付孔12aは、第1取付部49と同じである。 FIG. 10 is a diagram for explaining an attaching operation of the second attachment portion 60 and the fastener 20 to the attachment hole 12a of the attached member 12. The mounting hole 12 a of the second mounting portion 60 is the same as the first mounting portion 49.

図10(a)に示すように、作業者が部品22を被取付部材12に向かって押すことで、第2取付部60および留め具20は、先端から取付孔12aに挿入される。留め具20が取付孔12aに挿入され、図10(b)に示すように、係合部30の湾曲面44が取付孔12aの表側の孔縁に当接し、一対の係合部30が接近するように撓もうとするが、係合部30の先端が第2取付部60の壁部62の突部64に当接して接近が制限され、先端同士の交差が制限される。 As shown in FIG. 10A, when the worker pushes the component 22 toward the mounted member 12, the second mounting portion 60 and the fastener 20 are inserted into the mounting hole 12a from the tip. The fastener 20 is inserted into the mounting hole 12a, and the curved surface 44 of the engaging portion 30 comes into contact with the hole edge on the front side of the mounting hole 12a as shown in FIG. However, the tip of the engaging portion 30 comes into contact with the protrusion 64 of the wall portion 62 of the second mounting portion 60 to limit the approach, and the intersection of the tips is limited.

図10(c)に示すように、さらに押し込むと、係合部30が挿入方向に伸びるように、係合部30の先端が第2取付部60の先端側に移動し、湾曲面44が挿入方向に沿うように係合部30が変形する。湾曲面44の上端が取付孔12aを超えると、一対の係合部30が復元力により拡開して、図10(d)に示すように係合面42が取付孔12aの裏縁に係合する。 As shown in FIG. 10C, when further pushed, the tip of the engaging portion 30 moves toward the tip of the second mounting portion 60 so that the engaging portion 30 extends in the insertion direction, and the curved surface 44 is inserted. The engaging portion 30 is deformed along the direction. When the upper end of the curved surface 44 exceeds the mounting hole 12a, the pair of engaging portions 30 expands due to the restoring force, and the engaging surface 42 engages with the back edge of the mounting hole 12a as shown in FIG. 10(d). To meet.

ここで、図9(c)に示す係合部30と、図10(c)に示す係合部30とを比べる。取付孔12aへの挿入方向に対する湾曲面44の傾斜角は、図10(c)に示す第2取付部60に取り付けた場合の方が、図9(c)に示す第1取付部49に取り付けた場合より小さい。取付孔12aへの挿入方向に対する湾曲面44の傾斜角は、小さいほど挿入しやすくなる。つまり、取付孔12aへの挿入方向に対する湾曲面44の傾斜角という観点のみ考慮すると、第2取付部60に取り付けた場合の方が挿入力を相対的に小さくできる。 Here, the engaging portion 30 shown in FIG. 9C is compared with the engaging portion 30 shown in FIG. 10C. The inclination angle of the curved surface 44 with respect to the insertion direction into the mounting hole 12a is attached to the first mounting portion 49 shown in FIG. 9C when mounted on the second mounting portion 60 shown in FIG. 10C. Smaller than if The smaller the inclination angle of the curved surface 44 with respect to the insertion direction into the mounting hole 12a, the easier the insertion. That is, considering only the angle of inclination of the curved surface 44 with respect to the insertion direction into the mounting hole 12a, the insertion force when mounted on the second mounting portion 60 can be made relatively small.

一方で、図9(c)に示す一対の係合部30は、先端が交差するまで接近し、図10(c)に示す一対の係合部30は先端が接近するように撓めないため、図9(c)に示す一対の係合部30の方が対向方向により接近させることができ、対向方向の拡開量という観点のみ考慮すると、第1取付部49に取り付けた場合の方が挿入力を相対的に小さくできる。このように、取付孔12aへの挿入時に、第1取付部49の留め具20は、係合部30の先端同士を交差させ、第2取付部60の留め具20は、係合部30の伸ばすように変形するように構成することで、挿入力をほぼ同じにできる。例えば、第1取付部49と第2取付部60とで挿入力が異なると、作業者は挿入完了を示すフィーリングが異なるため、挿入が完了したか感覚的に把握しづらい。第1取付部49および第2取付部60の挿入力を同程度にすることで、作業者が取付孔12aの挿入時に挿入力の違いによる違和感を抑えることができる。 On the other hand, the pair of engaging portions 30 shown in FIG. 9C approach until the tips intersect, and the pair of engaging portions 30 shown in FIG. 10C do not bend so that the tips approach. The pair of engaging portions 30 shown in FIG. 9C can be brought closer to each other in the facing direction, and considering only the expansion amount in the facing direction, the case where the pair of engaging portions 30 is mounted to the first mounting portion 49 is larger. The insertion force can be made relatively small. In this way, the fastener 20 of the first mounting portion 49 causes the tips of the engaging portions 30 to intersect with each other and the fastener 20 of the second mounting portion 60 causes the fastener 20 of the engaging portion 30 to be inserted at the time of insertion into the mounting hole 12 a. The insertion force can be made almost the same by being configured so as to be deformed so as to be stretched. For example, if the first attachment portion 49 and the second attachment portion 60 have different insertion forces, the operator has different feelings indicating completion of insertion, and thus it is difficult to intuitively grasp whether the insertion has been completed. By making the insertion forces of the first attachment portion 49 and the second attachment portion 60 approximately the same, it is possible for the operator to suppress the discomfort caused by the difference in the insertion force when inserting the attachment hole 12a.

本発明は上述の実施例に限定されるものではなく、当業者の知識に基づいて各種の設計変更等の変形を実施例に対して加えることも可能であり、そのような変形が加えられた実施例も本発明の範囲に含まれうる。 The present invention is not limited to the above-described embodiments, and modifications such as various design changes can be added to the embodiments based on the knowledge of those skilled in the art, and such modifications are added. Examples may also be included in the scope of the present invention.

実施例では、切欠部58が壁部50の先端を切り欠くように形成される態様を示したが、この態様に限られない。例えば、切欠部が壁部50の先端側に孔状に形成されてよい。つまり、壁部50の切欠部の先端側にブリッジが形成される。 In the embodiment, the cutout portion 58 is formed so as to cut out the front end of the wall portion 50, but the cutout portion 58 is not limited to this. For example, the notch may be formed in a hole shape on the tip side of the wall 50. That is, a bridge is formed on the tip end side of the cutout portion of the wall portion 50.

10 部品取付構造、 12 被取付部材、 12a 取付孔、 20 留め具、 22 部品、 24 脚部、 26 連結部、 28 フランジ部、 30 係合部、 30a 基端部、 32 支持部、 34 挿入孔、 40 係止部、 42 係合面、 44 湾曲面、 46 切片、 48 凹部、 49 第1取付部、 50 壁部、 50a 先端部、 52 側壁部、 54 係止孔、 56 本体部、 58 切欠部、 60 第2取付部、 62 壁部、 64 突部。 10 parts mounting structure, 12 members to be mounted, 12a mounting holes, 20 fasteners, 22 parts, 24 legs, 26 connecting parts, 28 flange parts, 30 engaging parts, 30a base end parts, 32 supporting parts, 34 insertion holes , 40 locking part, 42 engaging surface, 44 curved surface, 46 segment, 48 recessed part, 49 first mounting part, 50 wall part, 50a tip part, 52 side wall part, 54 locking hole, 56 main body part, 58 notch Part, 60 2nd attachment part, 62 wall part, 64 protrusion part.

Claims (6)

部品を被取付部材に取り付けるための留め具であって、
対向する一対の脚部と、
一対の前記脚部の先端側を連結する連結部と、を備え、
一対の前記脚部は、基端側から前記脚部の先端側に向かって延出し、部品の第1取付部を挟んだ状態で被取付部材の取付孔の縁に係合する一対の係合部を有し、
一対の前記係合部は、第1取付部を挟んだ状態で先端同士が交差可能であり、部品に取り付ける前の状態では先端同士が交差しないことを特徴とする留め具。
A fastener for attaching a component to an attached member,
A pair of opposing legs,
A connecting portion that connects the tip ends of the pair of legs,
The pair of leg portions extend from the base end side toward the tip end side of the leg portion, and engage with the edge of the attachment hole of the attached member while sandwiching the first attachment portion of the component. Have a section,
The fastener is characterized in that the tips of the pair of the engaging portions can intersect with each other while sandwiching the first attachment portion, and the tips do not intersect with each other before being attached to a component.
部品を被取付部材に取り付けるための留め具であって、
対向する一対の脚部と、
一対の前記脚部の先端側を連結する連結部と、を備え、
一対の前記脚部は、基端側から先端側に向かって延出し、部品の第1取付部を挟んだ状態で被取付部材の取付孔の縁に係合する一対の係合部を有し、
一対の前記係合部は、第1取付部を挟んだ状態で先端同士が第1取付部の先端側に形成された切欠部に入って交差可能であることを特徴とする留め具。
A fastener for attaching a component to an attached member,
A pair of opposing legs,
A connecting portion that connects the tip ends of the pair of legs,
The pair of leg portions has a pair of engaging portions that extend from the base end side toward the distal end side and engage with the edge of the attachment hole of the attached member while sandwiching the first attachment portion of the component. ,
The pair of the engaging portions are characterized in that the tips of the pair of engaging portions can enter and intersect with each other in a notch formed on the tip side of the first attaching portion while sandwiching the first attaching portion.
部品を被取付部材に取り付けるための留め具であって、
対向する一対の脚部と、
一対の前記脚部の先端側を連結する連結部と、を備え、
一対の前記脚部は、基端側から先端側に向かって延出し、部品の第1取付部を挟んだ状態で被取付部材の取付孔の縁に係合する一対の係合部を有し、
一対の前記係合部は、第1取付部を挟んだ状態で先端同士が交差可能であり、
前記係合部は、
先端を凹んで形成した凹部と、
先端に前記凹部により形成された切片と、を有し、
第1取付部を挟んだ状態で一対の前記係合部が接近して一対の前記切片が交差し、一方の前記係合部の前記凹部が他方の前記係合部に当接して、一対の前記係合部の接近を規制することを特徴とする留め具。
A fastener for attaching a component to an attached member,
A pair of opposing legs,
A connecting portion that connects the tip ends of the pair of legs,
The pair of leg portions has a pair of engaging portions that extend from the base end side toward the distal end side and engage with the edge of the attachment hole of the attached member while sandwiching the first attachment portion of the component. ,
The pair of the engaging portions are capable of intersecting at their tips with the first mounting portion sandwiched therebetween,
The engaging portion is
A recess formed by denting the tip,
And a section formed by the recess at the tip,
The pair of engaging portions approach each other while sandwiching the first mounting portion, and the pair of the segments intersect, and the concave portion of the one engaging portion abuts on the other engaging portion, thereby A fastener for restricting the approach of the engaging portion.
第1取付部を挟んで一対の前記係合部が接近して一対の前記切片が交差し、一方の前記係合部の前記凹部が他方の前記係合部に当接した状態で、一対の係合部は第1取付部に当接しないように構成されることを特徴とする請求項3に記載の留め具。 In a state where the pair of engagement portions approach each other with the first mounting portion sandwiched therebetween and the pair of sections intersect with each other, and the concave portion of the one engagement portion abuts the other engagement portion, The fastener according to claim 3, wherein the engaging portion is configured not to contact the first attaching portion. 部品を被取付部材に取り付けるための留め具であって、
対向する一対の脚部と、
一対の前記脚部の先端側を連結する連結部と、を備え、
一対の前記脚部は、基端側から先端側に向かって延出し、部品の第1取付部を挟んだ場合に被取付部材の取付孔の縁に係合する一対の係合部を有し、
一対の前記係合部は、第1取付部を挟んだ場合に先端同士が交差可能であり、第1取付部とは別の第2取付部を挟んだ場合に第2取付部により先端同士の交差が制限されることを特徴とする留め具。
A fastener for attaching a component to an attached member,
A pair of opposing legs,
A connecting portion that connects the tip ends of the pair of legs,
The pair of leg portions has a pair of engaging portions that extend from the base end side toward the distal end side and engage with the edge of the attachment hole of the attached member when the first attachment portion of the component is sandwiched. ,
The pair of the engaging portions are capable of intersecting their tips when the first mounting portion is sandwiched, and when the second mounting portion different from the first mounting portion is sandwiched, the tips of the pair of engaging portions are joined by the second mounting portion. Fasteners characterized by limited crossing.
部品と、
前記部品を被取付部材に取り付けるための留め具と、を備え、
前記留め具は、
対向する一対の脚部と、
一対の前記脚部の先端側を連結する連結部と、を有し、
前記部品は、
一対の前記脚部に挟まれる第1取付部と、
前記第1取付部の先端側に切り欠かれるように形成された切欠部と、を有し、
一対の前記脚部は、基端側から先端側に向かって延出し、部品の第1取付部を挟んだ状態で被取付部材の取付孔の縁に係合する一対の係合部を有し、
一対の前記係合部は、前記第1取付部を挟んだ状態で先端同士が前記切欠部に入って交差可能であることを特徴とする部品取付構造。
Parts and
A fastener for attaching the component to an attached member,
The fastener is
A pair of opposing legs,
A connecting portion that connects the distal ends of the pair of legs,
The parts are
A first mounting portion sandwiched between the pair of leg portions;
A notch formed so as to be cut out on the tip side of the first attachment part,
The pair of leg portions has a pair of engaging portions that extend from the base end side toward the distal end side and engage with the edge of the attachment hole of the attached member while sandwiching the first attachment portion of the component. ,
The component mounting structure, wherein a pair of the engaging portions are capable of intersecting with each other by inserting the first mounting portion so that their tips enter the notch.
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