WO2020121712A1 - Anchor plate and anchor device for seat belt webbing - Google Patents

Anchor plate and anchor device for seat belt webbing Download PDF

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Publication number
WO2020121712A1
WO2020121712A1 PCT/JP2019/044278 JP2019044278W WO2020121712A1 WO 2020121712 A1 WO2020121712 A1 WO 2020121712A1 JP 2019044278 W JP2019044278 W JP 2019044278W WO 2020121712 A1 WO2020121712 A1 WO 2020121712A1
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WO
WIPO (PCT)
Prior art keywords
plate
anchor
anchor plate
tie
opening
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PCT/JP2019/044278
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French (fr)
Japanese (ja)
Inventor
パウロ アガピト ティアンゴ
研太 森崎
翔太 湯木
Original Assignee
Ｊｏｙｓｏｎ Ｓａｆｅｔｙ Ｓｙｓｔｅｍｓ Ｊａｐａｎ株式会社
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Priority claimed from JP2019075746A external-priority patent/JP7207119B2/en
Application filed by Ｊｏｙｓｏｎ Ｓａｆｅｔｙ Ｓｙｓｔｅｍｓ Ｊａｐａｎ株式会社 filed Critical Ｊｏｙｓｏｎ Ｓａｆｅｔｙ Ｓｙｓｔｅｍｓ Ｊａｐａｎ株式会社
Publication of WO2020121712A1 publication Critical patent/WO2020121712A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices

Definitions

  • the present invention relates to an anchor plate and an anchor device for connecting a seat belt webbing to a vehicle body such as an automobile.
  • Patent Document 1 discloses an anchor device for connecting a seat belt webbing to an automobile body.
  • This anchor device has an anchor plate, an opening provided in the anchor plate, a stopper made of a spring plate fastened to the plate body by a rivet, and the like.
  • the head of the bolt fixed to the vehicle body is inserted into the opening, and the edge of the opening is clamped between the flange of the bolt and the head.
  • the locking piece provided on the stopper engages with the bolt head to prevent the bolt head from retreating, and the nipping state of the edge by the bolt head and the flange is maintained.
  • FIGS. 5 to 10 of Patent Document 1 describe an anchor device including a stopper piece bent in a U shape, but this stopper piece has a shape in which a spring plate is bent in a complicated manner. It takes time and effort to manufacture the spring plate.
  • An object of the present invention is to provide an anchor plate that is easy to manufacture and an anchor device that uses this anchor plate.
  • the anchor plate of the present invention has a plate body having an opening through which a locking body attached to a vehicle body or a seat is inserted at a base end side and a seat belt webbing is inserted at a tip end side, and the anchor plate is attached to the plate body.
  • the spring plate includes a pair of leg portions that overlap side portions on both sides of the opening, and a second tie portion that connects base end sides of the leg portions to each other. It has a tongue part extending from the second tie part to the middle of the opening, and a stopper piece provided in the tongue part, and the tip end side of the opening serves as a seat belt webbing insertion part. It is characterized by being
  • the spring plate has a first tie portion that connects the front end sides of the leg portions to each other, and the seat belt webbing is closer to the front end side of the plate body than the first tie portion in the opening. It is the insertion part of.
  • the opening has a large hole portion through which the locking body is inserted, and a small hole portion continuous with the large hole portion, and the tongue portion is formed from the second tie portion.
  • the stopper piece is extended to the large hole portion side, and the stopper piece is provided on the tip end side in the extending direction of the tongue portion, and the stopper piece can be engaged with the locking body.
  • the second tie portion is along a base end of the plate body, and a hole such as an elongated hole is provided in the second tie portion, and the base end of the plate body is provided in the hole. Has been inserted.
  • the tongue portion is provided with a convex portion that engages with a concave hole in the top surface of the locking body.
  • the spring plate is arranged on one surface of the plate body, and the leg portions of the spring plate are connected only via the second tie portion.
  • the second tie portion is provided with a claw piece
  • the plate body is provided with a claw piece insertion hole into which the claw piece is inserted.
  • the second tie portion is convexly curved toward the base end of the plate body.
  • the length of the leg portion is smaller than the length of the tongue portion in the extending direction.
  • the leg portion of the spring plate is fixed to the plate body with a rivet.
  • the anchor device of the present invention has such an anchor plate and a locking body attached to the vehicle body or the seat.
  • the locking body is provided on a bolt shaft portion, a bolt head portion on a tip end side of the bolt shaft portion, a flange facing the bolt head portion, and a top surface of the bolt head portion.
  • An edge portion of the opening of the anchor plate is sandwiched by a groove portion between the bolt head and the flange, and the convex portion of the tongue portion is engaged with the concave portion of the bolt head.
  • the plate body of the anchor plate of the present invention has an opening through which a bolt and a seat belt webbing are connected, which is easy to manufacture, and the cost of the anchor plate is low. It is also possible to reduce the length of the plate body.
  • the anchor device 1 has a bolt 2 as a locking body attached to the body of an automobile, and an anchor plate 3 locked to the bolt 2.
  • the seat belt webbing is passed through the opening 15 of the anchor plate 3.
  • the bolt 2 is formed between a bolt shaft portion 2a, a bolt head portion 2b at the tip of the bolt shaft portion 2a, a flange 2c provided in the middle of the bolt shaft portion 2a, and between the bolt head portion 2b and the flange 2c.
  • Groove 2d (FIG. 4).
  • a recessed hole 2e for engaging a tool is provided on the top surface of the bolt head 2b.
  • a male screw is provided on the outer peripheral surface of the bolt shaft portion 2a on the rear end side of the flange 2c.
  • the groove 2d goes around the bolt head 2b.
  • the distance between the bolt head 2b and the flange 2c is slightly larger than the thickness of the plate body 10 of the anchor plate 3.
  • the anchor plate 3 has a plate body 10 and a spring plate 20 attached to the plate body 10.
  • the plate body 10 is made of a metal plate having a first plate surface 10a and a second plate surface 10b (FIG. 5).
  • the length of the plate body 10 in the front-rear direction from the tip 10T to the base end (rear end) 10E is larger than the width in the direction orthogonal thereto.
  • the base end 10E has a convex shape protruding rearward from the plate body 10.
  • the opening 15 is provided in the plate body 10.
  • the opening 15 extends in the longitudinal direction of the plate body 10, the tip 10T side is the webbing insertion portion 15w, and the base end 10E side is the small hole portion 15b.
  • a large hole portion 15a is formed between the webbing insertion portion 15w and the small hole portion 15b.
  • the large hole portion 15a has a size that allows the bolt head 2b to pass therethrough.
  • the left and right width of the large hole portion 15a is gradually reduced toward the base end 10E.
  • the width of the narrow hole portion 15b is smaller than the diameter of the bolt head portion 2b and the flange 2c, and slightly larger than the bolt diameter in the groove portion 2d.
  • an overhanging portion 18 projecting from the first side portion 11 and the second side portion 12 which will be described next, in directions approaching each other.
  • the plate body 10 has a first side portion 11 and a second side portion 12 on both sides of the opening 15, a base end 10E side is a lower end portion 13, and a tip 10T side is an upper side. It is the end portion 14.
  • the spring plate 20 has a frame shape. That is, the spring plate 20 includes the first leg portion 21 along the first side portion 11 on the first plate surface 10 a side, the second leg portion 22 along the second side portion 12, and the first and second leg portions 21. , 22 first tie portion 23 connecting the tip 10T sides to each other, a second tie portion 24 connecting the base ends 10E side of the legs 21 and 22, and extending from the second tie portion 24 to the large hole portion 15a side
  • the tongue portion 25, the stopper piece 26 provided by cutting and raising the tongue portion 25, the elongated hole 27 provided in the second tie portion 24, and the like.
  • the first leg portion 21 extends along the first side portion 11, and an intermediate portion in the extending direction is fixed to the first side portion 11 by a rivet 29.
  • the second leg portion 22 extends along the second side portion 12, and an intermediate portion in the extending direction is fixed to the second side portion 12 by a rivet 29.
  • the leg portions 21 and 22 stand up to be separated from the first plate surface 10a of the plate body 10 by a predetermined distance on the second tie portion 24 side with respect to the portion where the rivets 29 are fastened.
  • the first tie portion 23 is located closer to the tip 10T side than the overhanging portions 18, 18.
  • the length of the first tie portion 23 is larger than the distance between the overhanging portions 18, 18.
  • the first tie portion 23 is folded up at a substantially right angle from the leg portions 21 and 22 and enters the opening 15.
  • the second tie portion 24 is folded up from the leg portions 21 and 22 to the base end 10E side of the plate body 10.
  • the long hole 27 extends in a direction connecting the leg portions 21 and 22, and the base end 10E is fitted into the long hole 27.
  • the tongue portion 25 extends from the second tie portion 24 to the tip 10T side substantially parallel to the first plate surface 10a of the plate body 10. The extending direction tip of the tongue portion 25 reaches the large hole portion 15a.
  • the plate surface of the tongue portion 25 and the first plate surface 10a of the plate body 10 are separated by the thickness of the bolt head 2b.
  • the tongue portion 25 is provided with a convex portion 25b which is inserted into the concave hole 2e of the bolt head 2b.
  • the stopper piece 26 is formed by cutting and raising from the tongue portion 25.
  • the stopper piece 26 is in the shape of a tongue that is continuous with the tip portion 25 a of the tongue portion 25 and extends from the tip portion 25 a toward the second tie portion 24.
  • the stopper piece 26 is inclined so that the second tie portion 24 side is closer to the plate body 10 side from the plate surface of the tongue portion 25.
  • the bolt 2 is fixed to the vehicle body or the seat by screwing the bolt shaft portion 2a into a female screw member (not shown) of the vehicle body or the seat.
  • the anchor plate 3 is locked to the bolt 2 fixed to the vehicle body or seat as follows.
  • a seat belt webbing (not shown) is previously inserted through the webbing insertion portion 15w of the anchor plate 3 (on the tip 10T side of the first tie portion 23).
  • the large hole portion 15a of the opening 15 is fitted onto the bolt head portion 2b, and then the anchor plate 10 is moved in a direction in which the base end 10E approaches the bolt 2.
  • the bolt head 2b slides along the first plate surface 10a of the plate body 10, and the flange 2c slides along the second plate surface 10b. Then, the bolt head 2b contacts the surface of the stopper piece 26 on the plate body 10 side.
  • the bolt head 2b enters between the stopper piece 26 and the plate body 10.
  • the anchor plate 3 is easy to manufacture because the plate body 10 has one opening 15 and the overall length of the plate body 10 can be reduced. Further, the spring plate 20 as a whole has a shape close to a flat plate and is easy to manufacture.
  • the seat belt webbing is formed into the large hole portion 15a. This locking work can be easily performed without entering. Further, the space between the first tie portion 23 and the upper end portion 14 can be set so as to press the seat belt webbing.
  • the inner peripheral surface and the edge of the small hole portion 15b may be coated with rubber or synthetic resin, or a cover may be attached. This prevents or reduces the occurrence of abnormal noise caused by the bolt 2 and the anchor plate 10 coming into direct contact with each other.
  • the cover 40 as shown in FIGS. 6 and 7 in order to protect the spring plate from an external force and to protect the connection state between the anchor plate and the webbing.
  • the cover 40 includes a first side rail portion 41 extending along the first side portion 11 and the first leg portion 21, a second side rail portion 42 extending along the second side portion 12 and the second leg portion 22, and the side rail.
  • the bottom portion 43 connects the base end sides of the portions 41 and 42 to each other, and has a substantially U shape.
  • Each side rail portion 41, 42 is provided with a groove 44, 45. The first side portion 11 and the first leg 21 are inserted into the groove 44, and the groove 45 has a second side portion 12, The second leg 22 is inserted.
  • FIGS. 9 and 10 Another cover 50 is shown in FIGS. As shown in FIGS. 9 and 10, the cover 50 has a frame shape having first to fourth sides 51 to 54 and a U-shaped portion 55. As shown in FIG. 11, the U-shaped portion 55 is inserted from the third side 53 side to the back side of the tongue portion 25, the third side 53 is engaged with the base end 10E, and is attached to the anchor device 1 as shown in FIG. It
  • the anchor device 1A according to the second embodiment will be described below with reference to FIGS.
  • the same or corresponding members as those in the first embodiment will be described with the same reference numerals.
  • the anchor device 1A has a bolt 2 as a locking body attached to the body of an automobile and an anchor plate 3A locked to the bolt 2.
  • the seat belt webbing is passed through the opening 15 of the anchor plate 3A.
  • the bolt 2 has the same configuration as that of the first embodiment.
  • the anchor plate 3A has a plate body 10A and a spring plate 20A attached to the plate body 10A.
  • the plate body 10A has substantially the same structure as the plate body 10, but the opening 15 is not provided with the overhanging portion 18. Further, the base end 10E does not have a convex shape protruding rearward from the plate body 10.
  • the spring plate 20A does not have the first tie portion 23 and does not have the elongated hole 27. That is, the spring plate 20A includes the first leg portion 21 along the first side portion 11 on the first plate surface 10a side, the second leg portion 22 along the second side portion 12, and the base ends of the leg portions 21 and 22. It has a second tie portion 24 connecting the 10E sides, a tongue portion 25 extending from the second tie portion 24 to the large hole portion 15a side, and a stopper piece 26 provided by cutting and raising from the tongue portion 25. ..
  • the first leg portion 21 extends along the first side portion 11, and the tip end portion in the extending direction is fixed to the first side portion 11 by a rivet 29.
  • the second leg portion 22 extends along the second side portion 12, and a tip portion in the extending direction is fixed to the second side portion 12 by a rivet 29.
  • the legs 21 and 22 stand up to be separated from the first plate surface 10a of the plate body 10A by a predetermined distance on the second tie portion 24 side with respect to the portion where the rivets 29 are fastened.
  • the length of the legs 21, 22 in the extending direction is smaller than the length of the tongue portion 25 in the extending direction.
  • the second tie portion 24 is convexly curved in a semi-arc shape toward the base end 10E of the plate body 10A.
  • a pair of claw pieces 24t is projected from the second tie portion 24, and each claw piece 24t is inserted into a claw piece insertion hole 10j of the plate body 10A.
  • the tongue portion 25 extends from the second tie portion 24 to the tip 10T side substantially parallel to the first plate surface 10a of the plate body 10A.
  • the extending direction tip of the tongue portion 25 reaches the large hole portion 15a.
  • a cut 24k is provided between the tongue portion 25 and the base portion of the leg portions 21 and 22 so as to cut into the second tie portion 24.
  • the plate surface of the tongue portion 25 and the first plate surface 10a of the plate body 10A are separated by the thickness of the bolt head 2b.
  • the structure of the stopper piece 26 is the same as that of the first embodiment.
  • the bolt 2 is fixed to the vehicle body or the seat by screwing the bolt shaft portion 2a into a female screw member (not shown) of the vehicle body or the seat.
  • the anchor plate 3A is locked to the bolt 2 fixed to the vehicle body or the seat as shown in FIG. 14, as in the first embodiment.
  • the stopper piece 26 is located closer to the large hole 15a than the bolt head 2b, and the tip of the stopper piece 26 engages with the side surface of the bolt head 2b.
  • the bolt head 2b is prevented from retreating in the direction of the large hole 15a, and the anchor plate 10A is coupled to the bolt 2 so as not to come off.
  • Both left and right edges of the small hole portion 15b and the edge portion on the base end 10E side are clamped by the bolt head portion 2b and the flange 2c.
  • the anchor plate 3A can be easily manufactured and the total length of the plate body 10A can be reduced.
  • the cover 60 includes a first side rail portion 61 extending along the first side portion 11 and the first leg portion 21, and a second side rail portion extending along the second side portion 12 and the second leg portion 22.
  • 62 a bottom portion 63 that connects the base end sides of the side rail portions 61 and 62, and a top portion 64 that is connected to the tip portions of the side rail portions 61 and 62 via flexible hinge portions 64f, respectively. It is of a shape.
  • Each side rail portion 61, 62 is provided with a tab 66, and each tab 66 is inserted into a tab insertion hole 67 provided in the first side portion 11 and the second side portion 12.
  • Each side rail portion 61, 62 is provided with a clip 69 that goes around the inner peripheral edges of the first and second side portions 11, 12 and is locked to the edge portion of the opening 15.
  • the flexible hinge portion 64f is bendable with respect to the side rail portions 61 and 62.
  • the top portion 64 has a first piece 64a and a second piece 64b. As shown in FIG. 15, the tip 10T of the plate body 10A is sandwiched between the first piece 64a and the second piece 64b.
  • the cover 60 has a bridge portion 65 that is substantially parallel to the top portion 64.
  • the bridge portion 65 is installed between the side rail portions 61 and 62.
  • the webbing is inserted between the bridge portion 65 and the top portion 64.
  • the side rails 61, 62 are provided on their base ends 10E side with projecting supports 68 projecting toward each other.
  • the support 68 is inserted inside the second tie portion 24 curved in a semicircular shape.
  • the above embodiment is an example of the present invention, and the present invention may take forms other than those shown in the drawings.
  • the bolt 2 is used as the locking body in the above embodiment, a locking body other than the bolt may be used.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automotive Seat Belt Assembly (AREA)

Abstract

A large hole portion 15a of an opening 15 of an anchor plate 3 is fitted onto a bolt head 2b, and the anchor plate 3 is pulled up. A tongue portion 25 and a stopper piece 26 are elastically deformed, and the bolt head 2b passes between the stopper piece 26 and a plate body 10 and moves to the end of a small hole portion 15b. The left and right edges and the lower edge of the small hole portion 15b are clamped by the bolt head 2b and a flange 2c. The stopper piece 26 is engaged with the upper side surface of the bolt head 2b.

Description

シートベルトウェビングのアンカープレート及びアンカー装置Anchor plate and anchor device for seat belt webbing
　本発明は、シートベルトウェビングを自動車等の車体に連結するためのアンカープレート及びアンカー装置に関する。 The present invention relates to an anchor plate and an anchor device for connecting a seat belt webbing to a vehicle body such as an automobile.
　シートベルトウェビングを自動車車体に連結するアンカー装置が特許文献１に記載されている。このアンカー装置は、アンカープレートと、該アンカープレートに設けられた開口と、該プレート本体にリベットで留め付けられたバネ板よりなるストッパー等を有する。車体に固定されたボルトの頭部が該開口に挿入され、該ボルトのフランジと頭部との間で該開口の縁部が挟持される。ストッパーに設けられた係止片がボルト頭部に係合することにより、該ボルト頭部の退動が阻止され、ボルト頭部及びフランジによる該縁部の挟持状態が維持される。 Patent Document 1 discloses an anchor device for connecting a seat belt webbing to an automobile body. This anchor device has an anchor plate, an opening provided in the anchor plate, a stopper made of a spring plate fastened to the plate body by a rivet, and the like. The head of the bolt fixed to the vehicle body is inserted into the opening, and the edge of the opening is clamped between the flange of the bolt and the head. The locking piece provided on the stopper engages with the bolt head to prevent the bolt head from retreating, and the nipping state of the edge by the bolt head and the flange is maintained.
　この特許文献１のアンカー装置にあっては、アンカープレートに、ボルトを通す第２開口と、シートベルトウェビングを通す第１開口との２個の開口を設ける必要があり、製作に手間がかかる。また、アンカープレートの長さが大きくなる。なお、特許文献１の図５～１０には、Ｕ字形に曲成したストッパ片を備えたアンカー装置が記載されているが、このストッパ片はバネ板が複雑に折り曲げられた形状を有しており、バネ板の製作に手間がかかる。 In the anchor device of Patent Document 1, it is necessary to provide the anchor plate with two openings, a second opening through which the bolt passes and a first opening through which the seat belt webbing passes, which is troublesome to manufacture. Also, the length of the anchor plate is increased. It should be noted that FIGS. 5 to 10 of Patent Document 1 describe an anchor device including a stopper piece bent in a U shape, but this stopper piece has a shape in which a spring plate is bent in a complicated manner. It takes time and effort to manufacture the spring plate.
特開２０１８－１４４５４１号公報JP, 2008-144541, A
　本発明は、製作が容易なアンカープレートと、このアンカープレートを用いたアンカー装置とを提供することを目的とする。 An object of the present invention is to provide an anchor plate that is easy to manufacture and an anchor device that uses this anchor plate.
　本発明のアンカープレートは、車体又はシートに取り付けられる係止体が基端側に挿入されると共にシートベルトウェビングが先端側に挿通される開口を有したプレート本体と、該プレート本体に取り付けられたバネ板とを有するシートベルトウェビングのアンカープレートにおいて、該バネ板は、開口の両側のサイド部に重なる１対の脚部と、該脚部の基端側同士を繋ぐ第２タイ部と、該第２タイ部から前記開口の途中まで延出するタング部と、該タング部に設けられたストッパ片とを有しており、前記開口のうち、前記先端側がシートベルトウェビングの挿通部となっていることを特徴とする。 The anchor plate of the present invention has a plate body having an opening through which a locking body attached to a vehicle body or a seat is inserted at a base end side and a seat belt webbing is inserted at a tip end side, and the anchor plate is attached to the plate body. In an anchor plate of a seat belt webbing having a spring plate, the spring plate includes a pair of leg portions that overlap side portions on both sides of the opening, and a second tie portion that connects base end sides of the leg portions to each other. It has a tongue part extending from the second tie part to the middle of the opening, and a stopper piece provided in the tongue part, and the tip end side of the opening serves as a seat belt webbing insertion part. It is characterized by being
　本発明の一態様では、前記バネ板は、前記脚部の先端側同士を繋ぐ第１タイ部を有しており、前記開口のうち、該第１タイ部よりもプレート本体先端側がシートベルトウェビングの挿通部となっている。 In one aspect of the present invention, the spring plate has a first tie portion that connects the front end sides of the leg portions to each other, and the seat belt webbing is closer to the front end side of the plate body than the first tie portion in the opening. It is the insertion part of.
　本発明の一態様では、前記開口は、前記係止体が挿通される大穴部と、該大穴部に連なる細穴部とを有しており、前記タング部は、該第２タイ部から該大穴部側に延出しており、該タング部の延出方向先端側に前記ストッパ片が設けられており、該ストッパ片が前記係止体に係合可能となっている。 In one aspect of the present invention, the opening has a large hole portion through which the locking body is inserted, and a small hole portion continuous with the large hole portion, and the tongue portion is formed from the second tie portion. The stopper piece is extended to the large hole portion side, and the stopper piece is provided on the tip end side in the extending direction of the tongue portion, and the stopper piece can be engaged with the locking body.
　本発明の一態様では、前記第２タイ部は、前記プレート本体の基端に沿っており、該第２タイ部に長孔等の孔が設けられており、該孔にプレート本体の基端が挿入されている。 In one aspect of the present invention, the second tie portion is along a base end of the plate body, and a hole such as an elongated hole is provided in the second tie portion, and the base end of the plate body is provided in the hole. Has been inserted.
　本発明の一態様では、前記タング部に、前記係止体の頂面の凹穴に係合する凸部が設けられている。 In one aspect of the present invention, the tongue portion is provided with a convex portion that engages with a concave hole in the top surface of the locking body.
　本発明の一態様では、前記バネ板は、前記プレート本体の一方の面に配置されており、前記バネ板の脚部同士は、前記第２タイ部を介してのみ繋がっている。 In one aspect of the present invention, the spring plate is arranged on one surface of the plate body, and the leg portions of the spring plate are connected only via the second tie portion.
　本発明の一態様では、前記第２タイ部には爪片が設けられており、前記プレート本体に、該爪片が差し込まれた爪片差込孔が設けられている。 In one aspect of the present invention, the second tie portion is provided with a claw piece, and the plate body is provided with a claw piece insertion hole into which the claw piece is inserted.
　本発明の一態様では、前記第２タイ部は、前記プレート本体の基端に向って凸に湾曲している。 In one aspect of the present invention, the second tie portion is convexly curved toward the base end of the plate body.
　本発明の一態様では、前記脚部の長さは、前記タング部の前記延出方向長さよりも小さい。 In one aspect of the present invention, the length of the leg portion is smaller than the length of the tongue portion in the extending direction.
　本発明の一態様では、前記バネ板の前記脚部は、リベットによって前記プレート本体に固定されている。 In one aspect of the present invention, the leg portion of the spring plate is fixed to the plate body with a rivet.
　本発明のアンカー装置は、かかるアンカープレートと、車体又はシートに取り付けられる係止体とを有する。 The anchor device of the present invention has such an anchor plate and a locking body attached to the vehicle body or the seat.
　本発明の一態様では、前記係止体は、ボルト軸部と、該ボルト軸部の先端側のボルト頭部と、該ボルト頭部に対峙するフランジと、該ボルト頭部の頂面に設けられた凹部とを有し、該ボルト頭部とフランジとの間の溝部によってアンカープレートの前記開口の縁部が挟持され、該ボルト頭部の凹部に前記タング部の前記凸部が係合している。 In one aspect of the present invention, the locking body is provided on a bolt shaft portion, a bolt head portion on a tip end side of the bolt shaft portion, a flange facing the bolt head portion, and a top surface of the bolt head portion. An edge portion of the opening of the anchor plate is sandwiched by a groove portion between the bolt head and the flange, and the convex portion of the tongue portion is engaged with the concave portion of the bolt head. ing.
　本発明のアンカープレートのプレート本体は、ボルトを通す開口とシートベルトウェビングを通す開口とが一続きとなっており、製作が容易であり、アンカープレートが低コストとなる。また、プレート本体の長さを小さくすることも可能である。 The plate body of the anchor plate of the present invention has an opening through which a bolt and a seat belt webbing are connected, which is easy to manufacture, and the cost of the anchor plate is low. It is also possible to reduce the length of the plate body.
実施の形態に係るアンカー装置の斜視図である。It is a perspective view of the anchor device concerning an embodiment. アンカープレートとボルトとの係合途中におけるアンカー装置の斜視図である。It is a perspective view of an anchor device in the middle of an engagement of an anchor plate and a bolt. アンカープレートとボルトとが係合したアンカー装置の斜視図である。It is a perspective view of the anchor device with which the anchor plate and the bolt were engaged. 図３のIV－IV線断面図である。FIG. 4 is a sectional view taken along line IV-IV of FIG. 3. アンカープレートの裏面の斜視図である。It is a perspective view of the back surface of an anchor plate. カバーとアンカー装置の斜視図である。It is a perspective view of a cover and an anchor device. カバーを備えたアンカー装置の斜視図である。It is a perspective view of the anchor device provided with the cover. カバーを備えたアンカー装置の斜視図である。It is a perspective view of the anchor device provided with the cover. 図８のカバーの斜視図である。FIG. 9 is a perspective view of the cover of FIG. 8. 図９と反対側からのカバーの斜視図である。It is a perspective view of the cover from the opposite side to FIG. カバーの装着途中のアンカー装置の斜視図である。It is a perspective view of the anchor device in the middle of attaching a cover. 実施の形態に係るアンカー装置の斜視図である。It is a perspective view of the anchor device concerning an embodiment. アンカープレート及びプレート本体の斜視図である。It is a perspective view of an anchor plate and a plate body. アンカープレートとボルトとが係合したアンカー装置の斜視図である。It is a perspective view of the anchor device with which the anchor plate and the bolt were engaged. カバーを備えたアンカー装置の斜視図である。It is a perspective view of the anchor device provided with the cover. カバーの斜視図である。It is a perspective view of a cover.
　以下、図１～５を参照して第１の実施の形態について説明する。 Hereinafter, the first embodiment will be described with reference to FIGS. 1 to 5.
　図１の通り、アンカー装置１は、自動車の車体に取り付けられる係止体としてのボルト２と、該ボルト２に係止されるアンカープレート３とを有する。アンカープレート３の開口１５にシートベルトウェビングが通される。 As shown in FIG. 1, the anchor device 1 has a bolt 2 as a locking body attached to the body of an automobile, and an anchor plate 3 locked to the bolt 2. The seat belt webbing is passed through the opening 15 of the anchor plate 3.
　ボルト２は、ボルト軸部２ａと、該ボルト軸部２ａの先端のボルト頭部２ｂと、ボルト軸部２ａの途中に設けられたフランジ２ｃと、ボルト頭部２ｂとフランジ２ｃとの間に形成された溝部２ｄ（図４）とを有する。ボルト頭部２ｂの頂面には工具が係合する凹穴２ｅが設けられている。図示は省略するが、ボルト軸部２ａのうちフランジ２ｃよりも後端側の外周面に雄ネジが設けられている。溝部２ｄはボルト頭部２ｂの周囲を周回している。ボルト頭部２ｂとフランジ２ｃとの間隔は、アンカープレート３のプレート本体１０の厚みよりも若干大きい。 The bolt 2 is formed between a bolt shaft portion 2a, a bolt head portion 2b at the tip of the bolt shaft portion 2a, a flange 2c provided in the middle of the bolt shaft portion 2a, and between the bolt head portion 2b and the flange 2c. Groove 2d (FIG. 4). A recessed hole 2e for engaging a tool is provided on the top surface of the bolt head 2b. Although illustration is omitted, a male screw is provided on the outer peripheral surface of the bolt shaft portion 2a on the rear end side of the flange 2c. The groove 2d goes around the bolt head 2b. The distance between the bolt head 2b and the flange 2c is slightly larger than the thickness of the plate body 10 of the anchor plate 3.
　アンカープレート３は、プレート本体１０と、該プレート本体１０に取り付けられたバネ板２０とを有する。プレート本体１０は、第１板面１０ａと第２板面１０ｂ（図５）とを有した金属板よりなる。プレート本体１０は、先端１０Ｔから基端（後端）１０Ｅに向う前後方向の長さがそれと直交方向の幅よりも大きい。基端１０Ｅは、プレート本体１０から後方に突出する凸形状となっている。 The anchor plate 3 has a plate body 10 and a spring plate 20 attached to the plate body 10. The plate body 10 is made of a metal plate having a first plate surface 10a and a second plate surface 10b (FIG. 5). The length of the plate body 10 in the front-rear direction from the tip 10T to the base end (rear end) 10E is larger than the width in the direction orthogonal thereto. The base end 10E has a convex shape protruding rearward from the plate body 10.
　プレート本体１０に上記開口１５が設けられている。開口１５は、プレート本体１０の長手方向に延在しており、先端１０Ｔ側がウェビング挿通部１５ｗであり、基端１０Ｅ側が細穴部１５ｂである。ウェビング挿通部１５ｗと細穴部１５ｂとの間が大穴部１５ａである。大穴部１５ａは、ボルト頭部２ｂが通過しうる大きさとなっている。大穴部１５ａは、基端１０Ｅに向って左右幅が徐々に小さくなっている。細穴部１５ｂの幅はボルト頭部２ｂ及びフランジ２ｃの直径よりも小さく、溝部２ｄにおけるボルト直径よりも若干大きい。 The opening 15 is provided in the plate body 10. The opening 15 extends in the longitudinal direction of the plate body 10, the tip 10T side is the webbing insertion portion 15w, and the base end 10E side is the small hole portion 15b. A large hole portion 15a is formed between the webbing insertion portion 15w and the small hole portion 15b. The large hole portion 15a has a size that allows the bolt head 2b to pass therethrough. The left and right width of the large hole portion 15a is gradually reduced toward the base end 10E. The width of the narrow hole portion 15b is smaller than the diameter of the bolt head portion 2b and the flange 2c, and slightly larger than the bolt diameter in the groove portion 2d.
　ウェビング挿通部１５ｗと大穴部１０ａとの境界部付近には、次に説明する第１サイド部１１及び第２サイド部１２から、互いに接近する方向に突出する張出部１８が設けられている。 Near the boundary between the webbing insertion portion 15w and the large hole portion 10a, there is provided an overhanging portion 18 projecting from the first side portion 11 and the second side portion 12 which will be described next, in directions approaching each other.
　プレート本体１０は、図５に明示の通り、開口１５の両側が第１サイド部１１及び第２サイド部１２となっており、基端１０Ｅ側が下エンド部１３となっており、先端１０Ｔ側が上エンド部１４となっている。 As shown in FIG. 5, the plate body 10 has a first side portion 11 and a second side portion 12 on both sides of the opening 15, a base end 10E side is a lower end portion 13, and a tip 10T side is an upper side. It is the end portion 14.
　バネ板２０は、枠形状を有している。即ち、バネ板２０は、第１板面１０ａ側の第１サイド部１１に沿う第１脚部２１と、第２サイド部１２に沿う第２脚部２２と、第１及び第２脚部２１，２２の先端１０Ｔ側同士を繋ぐ第１タイ部２３と、脚部２１，２２の基端１０Ｅ側同士を繋ぐ第２タイ部２４と、該第２タイ部２４から大穴部１５ａ側に延出したタング部２５と、該タング部２５から切り起しにより設けられたストッパ片２６と、第２タイ部２４に設けられた長孔２７等を有する。 The spring plate 20 has a frame shape. That is, the spring plate 20 includes the first leg portion 21 along the first side portion 11 on the first plate surface 10 a side, the second leg portion 22 along the second side portion 12, and the first and second leg portions 21. , 22 first tie portion 23 connecting the tip 10T sides to each other, a second tie portion 24 connecting the base ends 10E side of the legs 21 and 22, and extending from the second tie portion 24 to the large hole portion 15a side The tongue portion 25, the stopper piece 26 provided by cutting and raising the tongue portion 25, the elongated hole 27 provided in the second tie portion 24, and the like.
　第１脚部２１は第１サイド部１１に沿って延在し、その延在方向の途中部分がリベット２９によって第１サイド部１１に固定されている。第２脚部２２は第２サイド部１２に沿って延在し、その延在方向の途中部分がリベット２９によって第２サイド部１２に固定されている。脚部２１，２２は、リベット２９留めした部分よりも第２タイ部２４側において、プレート本体１０の第１板面１０ａから所定距離離隔するように立ち上がっている。 The first leg portion 21 extends along the first side portion 11, and an intermediate portion in the extending direction is fixed to the first side portion 11 by a rivet 29. The second leg portion 22 extends along the second side portion 12, and an intermediate portion in the extending direction is fixed to the second side portion 12 by a rivet 29. The leg portions 21 and 22 stand up to be separated from the first plate surface 10a of the plate body 10 by a predetermined distance on the second tie portion 24 side with respect to the portion where the rivets 29 are fastened.
　第１タイ部２３は、張出部１８，１８よりも先端１０Ｔ側に位置している。第１タイ部２３の長さは、張出部１８，１８間の距離よりも大きい。第１タイ部２３は、脚部２１，２２から略直角に折り立てられ、開口１５内に入り込んでいる。 The first tie portion 23 is located closer to the tip 10T side than the overhanging portions 18, 18. The length of the first tie portion 23 is larger than the distance between the overhanging portions 18, 18. The first tie portion 23 is folded up at a substantially right angle from the leg portions 21 and 22 and enters the opening 15.
　第２タイ部２４は、脚部２１，２２から、プレート本体１０の基端１０Ｅ側に折り立てられている。長孔２７は、脚部２１，２２を結ぶ方向に延在しており、該長孔２７に基端１０Ｅが嵌入されている。 The second tie portion 24 is folded up from the leg portions 21 and 22 to the base end 10E side of the plate body 10. The long hole 27 extends in a direction connecting the leg portions 21 and 22, and the base end 10E is fitted into the long hole 27.
　タング部２５は、第２タイ部２４から、プレート本体１０の第１板面１０ａと略平行に先端１０Ｔ側に延在している。タング部２５の延在方向先端部は大穴部１５ａにまで達している。 The tongue portion 25 extends from the second tie portion 24 to the tip 10T side substantially parallel to the first plate surface 10a of the plate body 10. The extending direction tip of the tongue portion 25 reaches the large hole portion 15a.
　タング部２５の板面と、プレート本体１０の第１板面１０ａとは、ボルト頭部２ｂの厚み分だけ離隔している。タング部２５には、ボルト頭部２ｂの凹穴２ｅに入り込む凸部２５ｂが設けられている。 The plate surface of the tongue portion 25 and the first plate surface 10a of the plate body 10 are separated by the thickness of the bolt head 2b. The tongue portion 25 is provided with a convex portion 25b which is inserted into the concave hole 2e of the bolt head 2b.
　ストッパ片２６は、タング部２５から切り起しにより形成される。ストッパ片２６は、タング部２５の先端部２５ａに連なり、該先端部２５ａから第２タイ部２４に向って延出した舌片状である。ストッパ片２６は、第２タイ部２４側ほどタング部２５の板面からプレート本体１０側へ接近するように傾斜している。 The stopper piece 26 is formed by cutting and raising from the tongue portion 25. The stopper piece 26 is in the shape of a tongue that is continuous with the tip portion 25 a of the tongue portion 25 and extends from the tip portion 25 a toward the second tie portion 24. The stopper piece 26 is inclined so that the second tie portion 24 side is closer to the plate body 10 side from the plate surface of the tongue portion 25.
　ボルト２は、ボルト軸部２ａを車体又はシートの雌ネジ部材（図示略）にねじ込むことにより車体又はシートに固定される。 The bolt 2 is fixed to the vehicle body or the seat by screwing the bolt shaft portion 2a into a female screw member (not shown) of the vehicle body or the seat.
　車体又はシートに固定されたボルト２に対し、アンカープレート３が次のようにして係止される。なお、アンカープレート３のウェビング挿通部１５ｗ（第１タイ部２３よりも先端１０Ｔ側）に予めシートベルトウェビング（図示略）が挿通されている。 The anchor plate 3 is locked to the bolt 2 fixed to the vehicle body or seat as follows. A seat belt webbing (not shown) is previously inserted through the webbing insertion portion 15w of the anchor plate 3 (on the tip 10T side of the first tie portion 23).
　図２の通り、開口１５の大穴部１５ａをボルト頭部２ｂに外嵌させ、次いで、基端１０Ｅがボルト２に接近する方向にアンカープレート１０を移動させる。ボルト頭部２ｂはプレート本体１０の第１板面１０ａに沿って摺動し、フランジ２ｃは第２板面１０ｂに沿って摺動する。そして、ボルト頭部２ｂがストッパ片２６のプレート本体１０側の面に当接する。アンカープレート３をさらに移動させると、ボルト頭部２ｂがストッパ片２６とプレート本体１０との間に入り込む。 As shown in FIG. 2, the large hole portion 15a of the opening 15 is fitted onto the bolt head portion 2b, and then the anchor plate 10 is moved in a direction in which the base end 10E approaches the bolt 2. The bolt head 2b slides along the first plate surface 10a of the plate body 10, and the flange 2c slides along the second plate surface 10b. Then, the bolt head 2b contacts the surface of the stopper piece 26 on the plate body 10 side. When the anchor plate 3 is further moved, the bolt head 2b enters between the stopper piece 26 and the plate body 10.
　アンカープレート３をさらに移動させると、図３及び図４の通り、ボルト頭部２ｂがストッパ片２６を通り抜け、細穴部１５ｂの基端１０Ｅ側にまで移動する。この状態では、ストッパ片２６がボルト頭部２ｂよりも大穴部１５ａ側に位置し、ストッパ片２６の先端がボルト頭部２ｂの側面に係合する。これにより、ボルト頭部２ｂの大穴部１５ａ方向への退動が阻止され、アンカープレート１０がボルト２に対し抜け止め不能に連結される。細穴部１５ｂの左右両側縁と基端１０Ｅ側の縁部とがボルト頭部２ｂとフランジ２ｃとによって挟持される。ボルト頭部２ｂの凹穴２ｅに対しタング部２５の凸部２５ｂが入り込み、アンカープレート１０の第１板面１０ａに沿う方向への動きを拘束する。 When the anchor plate 3 is further moved, as shown in FIGS. 3 and 4, the bolt head 2b passes through the stopper piece 26 and moves to the base end 10E side of the small hole portion 15b. In this state, the stopper piece 26 is located closer to the large hole 15a than the bolt head 2b, and the tip of the stopper piece 26 engages the side surface of the bolt head 2b. As a result, the retreat of the bolt head 2b in the direction of the large hole 15a is prevented, and the anchor plate 10 is coupled to the bolt 2 so as not to come off. Both left and right edges of the small hole portion 15b and the edge portion on the base end 10E side are clamped by the bolt head portion 2b and the flange 2c. The convex portion 25b of the tongue portion 25 is inserted into the concave hole 2e of the bolt head 2b to restrain the movement of the anchor plate 10 in the direction along the first plate surface 10a.
　このアンカープレート３は、プレート本体１０が１個の開口１５を有したものであるため、製造が容易であると共に、プレート本体１０の全長を小さくすることも可能である。また、バネ板２０も全体としてほぼ平板に近い形状であり、製作が容易である。 The anchor plate 3 is easy to manufacture because the plate body 10 has one opening 15 and the overall length of the plate body 10 can be reduced. Further, the spring plate 20 as a whole has a shape close to a flat plate and is easy to manufacture.
　このアンカープレート３では、開口１５内が第１タイ部２３で仕切られてウェビング挿通部１５ｗが区画されているので、アンカープレート３をボルト２に係止させる際にシートベルトウェビングが大穴部１５ａに入り込むことがなく、この係止作業を容易に行うことができる。また、第１タイ部２３と上エンド部１４との間でシートベルトウェビングを押えるように両者間の間隔を設定することができる。 In this anchor plate 3, since the inside of the opening 15 is partitioned by the first tie portion 23 to define the webbing insertion portion 15w, when the anchor plate 3 is locked to the bolt 2, the seat belt webbing is formed into the large hole portion 15a. This locking work can be easily performed without entering. Further, the space between the first tie portion 23 and the upper end portion 14 can be set so as to press the seat belt webbing.
　このアンカープレート３では、バネ板２０の第２タイ部２４の長孔２７にプレート本体１０の基端１０Ｅが嵌入しているので、第２タイ部２４側が板面１０ａ，１０ｂと垂直方向に動くことが阻止され、振動や異音が防止される。 In this anchor plate 3, since the base end 10E of the plate body 10 is fitted in the long hole 27 of the second tie portion 24 of the spring plate 20, the second tie portion 24 side moves in the direction perpendicular to the plate surfaces 10a and 10b. This is prevented and vibration and abnormal noise are prevented.
　図示は省略するが、細穴部１５ｂの内周面や縁部に、ゴム、合成樹脂などよりなるコーティングを施したり、カバーを装着してもよい。これにより、ボルト２とアンカープレート１０とが直に当ることによる異音発生が防止ないし軽減される。 Although illustration is omitted, the inner peripheral surface and the edge of the small hole portion 15b may be coated with rubber or synthetic resin, or a cover may be attached. This prevents or reduces the occurrence of abnormal noise caused by the bolt 2 and the anchor plate 10 coming into direct contact with each other.
　本発明では、外力からバネ板を保護すると共に、アンカープレートとウェビングとの接続状態保護のため、図６，７の通り、カバー４０を設けることが好ましい。 In the present invention, it is preferable to provide the cover 40 as shown in FIGS. 6 and 7 in order to protect the spring plate from an external force and to protect the connection state between the anchor plate and the webbing.
　このカバー４０は、第１サイド部１１及び第１脚部２１に沿う第１サイドレール部４１と、第２サイド部１２及び第２脚部２２に沿う第２サイドレール部４２と、該サイドレール部４１，４２の基端側同士をつなぐボトム部４３とを有した略Ｕ字形状のものである。各サイドレール部４１，４２には凹条４４，４５が設けられており、該凹条４４に第１サイド部１１及び第１脚部２１が差し込まれ、凹条４５に第２サイド部１２及び第２脚部２２が差し込まれる。 The cover 40 includes a first side rail portion 41 extending along the first side portion 11 and the first leg portion 21, a second side rail portion 42 extending along the second side portion 12 and the second leg portion 22, and the side rail. The bottom portion 43 connects the base end sides of the portions 41 and 42 to each other, and has a substantially U shape. Each side rail portion 41, 42 is provided with a groove 44, 45. The first side portion 11 and the first leg 21 are inserted into the groove 44, and the groove 45 has a second side portion 12, The second leg 22 is inserted.
　図８～１１に別のカバー５０を示す。図９，１０の通り、このカバー５０は、第１辺５１～第４辺５４及びＵ字形状部５５を有した枠形である。図１１のように、第３辺５３側からＵ字形状部５５がタング部２５の裏側に差し込まれ、第３辺５３が基端１０Ｅに係合され、図８の通りアンカー装置１に装着される。 Another cover 50 is shown in FIGS. As shown in FIGS. 9 and 10, the cover 50 has a frame shape having first to fourth sides 51 to 54 and a U-shaped portion 55. As shown in FIG. 11, the U-shaped portion 55 is inserted from the third side 53 side to the back side of the tongue portion 25, the third side 53 is engaged with the base end 10E, and is attached to the anchor device 1 as shown in FIG. It
　以下、図１２～１６を参照して第２の実施の形態に係るアンカー装置１Ａについて説明する。なお、第１の実施の形態と同一又は相当部材に同一符号を付して説明する。 The anchor device 1A according to the second embodiment will be described below with reference to FIGS. In addition, the same or corresponding members as those in the first embodiment will be described with the same reference numerals.
　図１４の通り、アンカー装置１Ａは、自動車の車体に取り付けられる係止体としてのボルト２と、該ボルト２に係止されるアンカープレート３Ａとを有する。アンカープレート３Ａの開口１５にシートベルトウェビングが通される。 As shown in FIG. 14, the anchor device 1A has a bolt 2 as a locking body attached to the body of an automobile and an anchor plate 3A locked to the bolt 2. The seat belt webbing is passed through the opening 15 of the anchor plate 3A.
　ボルト２は、第１の実施の形態と同様の構成を有する。 The bolt 2 has the same configuration as that of the first embodiment.
　アンカープレート３Ａは、プレート本体１０Ａと、該プレート本体１０Ａに取り付けられたバネ板２０Ａとを有する。プレート本体１０Ａは、プレート本体１０と略同一の構成となっているが、開口１５に張出部１８は設けられていない。また、基端１０Ｅは、プレート本体１０から後方に突出する凸形状となっていない。 The anchor plate 3A has a plate body 10A and a spring plate 20A attached to the plate body 10A. The plate body 10A has substantially the same structure as the plate body 10, but the opening 15 is not provided with the overhanging portion 18. Further, the base end 10E does not have a convex shape protruding rearward from the plate body 10.
　バネ板２０Ａは、第１タイ部２３を有しておらず、また長孔２７を有していない。即ち、バネ板２０Ａは、第１板面１０ａ側の第１サイド部１１に沿う第１脚部２１と、第２サイド部１２に沿う第２脚部２２と、脚部２１，２２の基端１０Ｅ側同士を繋ぐ第２タイ部２４と、該第２タイ部２４から大穴部１５ａ側に延出したタング部２５と、該タング部２５から切り起しにより設けられたストッパ片２６とを有する。 The spring plate 20A does not have the first tie portion 23 and does not have the elongated hole 27. That is, the spring plate 20A includes the first leg portion 21 along the first side portion 11 on the first plate surface 10a side, the second leg portion 22 along the second side portion 12, and the base ends of the leg portions 21 and 22. It has a second tie portion 24 connecting the 10E sides, a tongue portion 25 extending from the second tie portion 24 to the large hole portion 15a side, and a stopper piece 26 provided by cutting and raising from the tongue portion 25. ..
　第１脚部２１は第１サイド部１１に沿って延在し、その延在方向の先端部分がリベット２９によって第１サイド部１１に固定されている。第２脚部２２は第２サイド部１２に沿って延在し、その延在方向の先端部分がリベット２９によって第２サイド部１２に固定されている。脚部２１，２２は、リベット２９留めした部分よりも第２タイ部２４側において、プレート本体１０Ａの第１板面１０ａから所定距離離隔するように立ち上がっている。 The first leg portion 21 extends along the first side portion 11, and the tip end portion in the extending direction is fixed to the first side portion 11 by a rivet 29. The second leg portion 22 extends along the second side portion 12, and a tip portion in the extending direction is fixed to the second side portion 12 by a rivet 29. The legs 21 and 22 stand up to be separated from the first plate surface 10a of the plate body 10A by a predetermined distance on the second tie portion 24 side with respect to the portion where the rivets 29 are fastened.
　脚部２１，２２の延在方向の長さは、タング部２５の延出方向長さよりも小さい。 The length of the legs 21, 22 in the extending direction is smaller than the length of the tongue portion 25 in the extending direction.
　第２タイ部２４は、プレート本体１０Ａの基端１０Ｅに向って半円弧形に凸に湾曲している。 The second tie portion 24 is convexly curved in a semi-arc shape toward the base end 10E of the plate body 10A.
　第２タイ部２４から１対の爪片２４ｔが突設されており、各爪片２４ｔがプレート本体１０Ａの爪片差込孔１０ｊに差し込まれている。 A pair of claw pieces 24t is projected from the second tie portion 24, and each claw piece 24t is inserted into a claw piece insertion hole 10j of the plate body 10A.
　タング部２５は、第２タイ部２４から、プレート本体１０Ａの第１板面１０ａと略平行に先端１０Ｔ側に延在している。タング部２５の延在方向先端部は大穴部１５ａにまで達している。 The tongue portion 25 extends from the second tie portion 24 to the tip 10T side substantially parallel to the first plate surface 10a of the plate body 10A. The extending direction tip of the tongue portion 25 reaches the large hole portion 15a.
　タング部２５と脚部２１，２２の付け根部分との間には、第２タイ部２４に食い込むように切り込み２４ｋが設けられている。この切り込み２４ｋの長さを変えることにより、タング部２５の弾性特性が変わる。 A cut 24k is provided between the tongue portion 25 and the base portion of the leg portions 21 and 22 so as to cut into the second tie portion 24. By changing the length of the cut 24k, the elastic characteristic of the tongue portion 25 changes.
　タング部２５の板面と、プレート本体１０Ａの第１板面１０ａとは、ボルト頭部２ｂの厚み分だけ離隔している。 The plate surface of the tongue portion 25 and the first plate surface 10a of the plate body 10A are separated by the thickness of the bolt head 2b.
　ストッパ片２６の構成は、第１の実施の形態と同じである。 The structure of the stopper piece 26 is the same as that of the first embodiment.
　ボルト２は、ボルト軸部２ａを車体又はシートの雌ネジ部材（図示略）にねじ込むことにより車体又はシートに固定される。 The bolt 2 is fixed to the vehicle body or the seat by screwing the bolt shaft portion 2a into a female screw member (not shown) of the vehicle body or the seat.
　車体又はシートに固定されたボルト２に対し、アンカープレート３Ａが第１の実施の形態と同様にして図１４のように係止される。 The anchor plate 3A is locked to the bolt 2 fixed to the vehicle body or the seat as shown in FIG. 14, as in the first embodiment.
　この第２の実施の形態においても、図１４の通り、ストッパ片２６がボルト頭部２ｂよりも大穴部１５ａ側に位置し、ストッパ片２６の先端がボルト頭部２ｂの側面に係合する。これにより、ボルト頭部２ｂの大穴部１５ａ方向への退動が阻止され、アンカープレート１０Ａがボルト２に対し抜け止め不能に連結される。細穴部１５ｂの左右両側縁と基端１０Ｅ側の縁部とがボルト頭部２ｂとフランジ２ｃとによって挟持される。 Also in this second embodiment, as shown in FIG. 14, the stopper piece 26 is located closer to the large hole 15a than the bolt head 2b, and the tip of the stopper piece 26 engages with the side surface of the bolt head 2b. As a result, the bolt head 2b is prevented from retreating in the direction of the large hole 15a, and the anchor plate 10A is coupled to the bolt 2 so as not to come off. Both left and right edges of the small hole portion 15b and the edge portion on the base end 10E side are clamped by the bolt head portion 2b and the flange 2c.
　このアンカープレート３Ａは、プレート本体１０Ａが１個の開口１５を有したものであるため、製造が容易であると共に、プレート本体１０Ａの全長を小さくすることも可能である。 Since the plate body 10A has one opening 15 in the anchor plate 3A, the anchor plate 3A can be easily manufactured and the total length of the plate body 10A can be reduced.
　外力からバネ板を保護すると共に、アンカープレートとウェビングとの接続状態保護のため、図１５，１６の通り、カバー６０を設けることが好ましい。 It is preferable to provide a cover 60 as shown in FIGS. 15 and 16 to protect the spring plate from external force and to protect the connection state between the anchor plate and the webbing.
　図１６に示す通り、このカバー６０は、第１サイド部１１及び第１脚部２１に沿う第１サイドレール部６１と、第２サイド部１２及び第２脚部２２に沿う第２サイドレール部６２と、該サイドレール部６１，６２の基端側同士をつなぐボトム部６３と、サイドレール部６１，６２の先端部にそれぞれフレキシブルヒンジ部６４ｆを介して連なるトップ部６４とを有した略枠形状のものである。各サイドレール部６１，６２にはタブ６６が設けられており、第１サイド部１１及び第２サイド部１２に設けられたタブ差込孔６７に各タブ６６が差し込まれる。 As shown in FIG. 16, the cover 60 includes a first side rail portion 61 extending along the first side portion 11 and the first leg portion 21, and a second side rail portion extending along the second side portion 12 and the second leg portion 22. 62, a bottom portion 63 that connects the base end sides of the side rail portions 61 and 62, and a top portion 64 that is connected to the tip portions of the side rail portions 61 and 62 via flexible hinge portions 64f, respectively. It is of a shape. Each side rail portion 61, 62 is provided with a tab 66, and each tab 66 is inserted into a tab insertion hole 67 provided in the first side portion 11 and the second side portion 12.
　各サイドレール部６１，６２には、第１及び第２サイド部１１，１２の内周縁を回り込んで開口１５の縁部に係止されるクリップ６９が設けられている。 Each side rail portion 61, 62 is provided with a clip 69 that goes around the inner peripheral edges of the first and second side portions 11, 12 and is locked to the edge portion of the opening 15.
　フレキシブルヒンジ部６４ｆは、サイドレール部６１，６２に対し屈曲可能となっている。トップ部６４は、第１片６４ａと第２片６４ｂとを有している。図１５の通り、第１片６４ａと第２片６４ｂとでプレート本体１０Ａの先端１０Ｔを挟み込む。 The flexible hinge portion 64f is bendable with respect to the side rail portions 61 and 62. The top portion 64 has a first piece 64a and a second piece 64b. As shown in FIG. 15, the tip 10T of the plate body 10A is sandwiched between the first piece 64a and the second piece 64b.
　図１５の通り、カバー６０は、トップ部６４と略平行なブリッジ部６５を有している。ブリッジ部６５はサイドレール部６１，６２間に架設されている。ブリッジ部６５とトップ部６４との間にウェビングが挿通される。 As shown in FIG. 15, the cover 60 has a bridge portion 65 that is substantially parallel to the top portion 64. The bridge portion 65 is installed between the side rail portions 61 and 62. The webbing is inserted between the bridge portion 65 and the top portion 64.
　サイドレール部６１，６２の基端１０Ｅ側には、互いに接近方向に突出する突起状のサポート６８が設けられている。サポート６８が、半円形に湾曲した第２タイ部２４の内側に差し込まれる。 The side rails 61, 62 are provided on their base ends 10E side with projecting supports 68 projecting toward each other. The support 68 is inserted inside the second tie portion 24 curved in a semicircular shape.
　上記実施の形態は本発明の一例であり、本発明は図示以外の形態とされてもよい。例えば、上記実施の形態では係止体としてボルト２が用いられているが、ボルト以外の係止体が用いられてもよい。 The above embodiment is an example of the present invention, and the present invention may take forms other than those shown in the drawings. For example, although the bolt 2 is used as the locking body in the above embodiment, a locking body other than the bolt may be used.
　本発明を特定の態様を用いて詳細に説明したが、本発明の意図と範囲を離れることなく様々な変更が可能であることは当業者に明らかである。
　本出願は、２０１８年１２月１２日付で出願された日本特許出願２０１８－２３２６９８及び２０１９年４月１１日付で出願された日本特許出願２０１９－０７５７４６に基づいており、その全体が引用により援用される。 Although the invention has been described in detail using specific embodiments, it will be apparent to those skilled in the art that various modifications can be made without departing from the spirit and scope of the invention.
This application is based on Japanese Patent Application 2018-232698 filed on Dec. 12, 2018 and Japanese Patent Application 2019-075746 filed on Apr. 11, 2019, which is incorporated by reference in its entirety. ..

Claims (12)

  1. 　車体又はシートに取り付けられる係止体が基端側に挿入されると共にシートベルトウェビングが先端側に挿通される開口を有したプレート本体と、
    　該プレート本体に取り付けられたバネ板と
    を有するシートベルトウェビングのアンカープレートにおいて、
    　該バネ板は、開口の両側のサイド部に重なる１対の脚部と、該脚部の基端側同士を繋ぐ第２タイ部と、該第２タイ部から前記開口の途中まで延出するタング部と、該タング部に設けられたストッパ片とを有しており、
    　前記開口のうち、前記先端側がシートベルトウェビングの挿通部となっていることを特徴とするシートベルトウェビングのアンカープレート。     A plate body having an opening through which a locking body attached to a vehicle body or a seat is inserted at a base end side and a seat belt webbing is inserted at a front end side,
    An anchor plate of a seat belt webbing having a spring plate attached to the plate body,
    The spring plate has a pair of legs that overlap the side portions on both sides of the opening, a second tie portion that connects the base end sides of the legs, and extends from the second tie portion to the middle of the opening. It has a tongue portion and a stopper piece provided on the tongue portion,
    An anchor plate for a seat belt webbing, wherein the tip side of the opening is an insertion portion of the seat belt webbing.
  2. 　前記バネ板は、前記脚部の先端側同士を繋ぐ第１タイ部を有しており、
    　前記開口のうち、該第１タイ部よりもプレート本体先端側がシートベルトウェビングの挿通部となっていることを特徴とする請求項１に記載のシートベルトウェビングのアンカープレート。     The spring plate has a first tie part that connects the tip ends of the legs to each other,
    The anchor plate for a seat belt webbing according to claim 1, wherein, in the opening, a front end side of the plate body with respect to the first tie portion is a seat belt webbing insertion portion.
  3. 　前記開口は、前記係止体が挿通される大穴部と、該大穴部に連なる細穴部とを有しており、
    　前記タング部は、前記第２タイ部から該大穴部側に延出しており、
    　該タング部の延出方向先端側に前記ストッパ片が設けられており、該ストッパ片が前記係止体に係合可能となっていることを特徴とする請求項１又は２に記載のアンカープレート。     The opening has a large hole portion through which the locking body is inserted, and a small hole portion continuous with the large hole portion,
    The tongue portion extends from the second tie portion toward the large hole portion,
    The anchor plate according to claim 1 or 2, wherein the stopper piece is provided on the tip end side of the tongue portion in the extending direction, and the stopper piece is engageable with the locking body. ..
  4. 　前記第２タイ部は、前記プレート本体の基端に沿っており、
    　該第２タイ部に孔が設けられており、
    　該孔に前記プレート本体の基端が挿入されていることを特徴とする請求項１～３のいずれか１項に記載のアンカープレート。     The second tie portion extends along the base end of the plate body,
    The second tie portion has a hole,
    The anchor plate according to any one of claims 1 to 3, wherein the base end of the plate body is inserted into the hole.
  5. 　前記タング部に、前記係止体の頂面の凹穴に係合する凸部が設けられていることを特徴とする請求項１～４のいずれか１項に記載のアンカープレート。 The anchor plate according to any one of claims 1 to 4, wherein the tongue portion is provided with a convex portion that engages with a concave hole on the top surface of the locking body.
  6. 　前記バネ板は、前記プレート本体の一方の面に配置されており、
    　前記バネ板の脚部同士は、前記第２タイ部を介してのみ繋がっていることを特徴とする請求項１に記載のアンカープレート。     The spring plate is arranged on one surface of the plate body,
    The anchor plate according to claim 1, wherein the leg portions of the spring plate are connected only through the second tie portion.
  7. 　前記第２タイ部には爪片が設けられており、
    　前記プレート本体に、該爪片が差し込まれた爪片差込孔が設けられていることを特徴とする請求項６に記載のアンカープレート。     The second tie portion is provided with a claw piece,
    The anchor plate according to claim 6, wherein the plate body is provided with a claw piece insertion hole into which the claw piece is inserted.
  8. 　前記第２タイ部は、前記プレート本体の基端に向って凸に湾曲していることを特徴とする請求項６又は７に記載のアンカープレート。 The anchor plate according to claim 6 or 7, wherein the second tie portion is convexly curved toward the base end of the plate body.
  9. 　前記脚部の長さは、前記タング部の前記延出方向長さよりも小さいことを特徴とする請求項６～８のいずれか１項に記載のアンカープレート。 The anchor plate according to any one of claims 6 to 8, wherein the length of the leg portion is smaller than the length of the tongue portion in the extending direction.
  10. 　前記バネ板の前記脚部は、リベットによって前記プレート本体に固定されていることを特徴とする請求項１～９のいずれか１項に記載のアンカープレート。 The anchor plate according to any one of claims 1 to 9, wherein the leg portion of the spring plate is fixed to the plate body by a rivet.
  11. 　請求項１～１０のいずれか１項に記載のアンカープレートと、車体又はシートに取り付けられる係止体とを有するシートベルトウェビングのアンカー装置。 An anchor device for a seat belt webbing, comprising the anchor plate according to any one of claims 1 to 10 and a locking body attached to a vehicle body or a seat.
  12. 　前記アンカープレートは請求項５に記載のアンカープレートであり、
    　前記係止体は、ボルト軸部と、該ボルト軸部の先端側のボルト頭部と、該ボルト頭部に対峙するフランジと、該ボルト頭部の頂面に設けられた凹部とを有し、
    　該ボルト頭部とフランジとの間の溝部によってアンカープレートの前記開口の縁部が挟持され、
    　該ボルト頭部の凹部に前記タング部の前記凸部が係合していることを特徴とする請求項１１に記載のアンカー装置。     The anchor plate is the anchor plate according to claim 5,
    The locking body has a bolt shaft portion, a bolt head portion on the tip end side of the bolt shaft portion, a flange facing the bolt head portion, and a recessed portion provided on the top surface of the bolt head portion. ,
    An edge portion of the opening of the anchor plate is clamped by a groove portion between the bolt head and the flange,
    The anchor device according to claim 11, wherein the convex portion of the tongue portion is engaged with the concave portion of the bolt head.
PCT/JP2019/044278 2018-12-12 2019-11-12 Anchor plate and anchor device for seat belt webbing WO2020121712A1 (en)

Applications Claiming Priority (4)

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JP2018232698 2018-12-12
JP2018-232698 2018-12-12
JP2019075746A JP7207119B2 (en) 2018-12-12 2019-04-11 Anchor plate and anchoring device for seat belt webbing
JP2019-075746 2019-04-11

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US20220134993A1 (en) * 2019-03-20 2022-05-05 Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho Anchor device

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