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WO2014102900A1 - Seat slide device - Google Patents

Seat slide device Download PDF

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Publication number
WO2014102900A1
WO2014102900A1 PCT/JP2012/083470 JP2012083470W WO2014102900A1 WO 2014102900 A1 WO2014102900 A1 WO 2014102900A1 JP 2012083470 W JP2012083470 W JP 2012083470W WO 2014102900 A1 WO2014102900 A1 WO 2014102900A1
Authority
WO
WIPO (PCT)
Prior art keywords
band
upper rail
bendable
tongue piece
rail
Prior art date
Application number
PCT/JP2012/083470
Other languages
French (fr)
Japanese (ja)
Inventor
白木　晋
Original Assignee
岐阜車体工業 株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 岐阜車体工業 株式会社 filed Critical 岐阜車体工業 株式会社
Priority to PCT/JP2012/083470 priority Critical patent/WO2014102900A1/en
Priority to CN201280045290.0A priority patent/CN104185569B/en
Priority to JP2014506642A priority patent/JP5671187B2/en
Publication of WO2014102900A1 publication Critical patent/WO2014102900A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
    • B60N2/0831—Movement of the latch
    • B60N2/0837—Movement of the latch pivoting
    • B60N2/0843—Movement of the latch pivoting about a longitudinal axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction
    • B60N2/0702—Slide construction characterised by its cross-section
    • B60N2/0705—Slide construction characterised by its cross-section omega-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction
    • B60N2/0702—Slide construction characterised by its cross-section
    • B60N2/0715—C or U-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction
    • B60N2/0702—Slide construction characterised by its cross-section
    • B60N2/072—Complex cross-section, e.g. obtained by extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction
    • B60N2/0722—Constructive details
    • B60N2/0725—Closing members for covering the slide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
    • B60N2/0812—Location of the latch
    • B60N2/0818—Location of the latch inside the rail

Definitions

  • the present invention relates to a vehicle seat slide device. Specifically, in a seat slide device in which the upper rail is movably supported by the opening of the lower rail and the upper rail protrudes upward from the opening, a cover that blocks the opening of the lower rail and prevents foreign matter from entering from the opening. It is about.
  • the upper rail is supported movably in the opening of the lower rail, and the upper rail protrudes upward from the opening.
  • the seat slide device has a pair of covers that close the opening of the lower rail. Both covers are integrally formed from a hard fixed portion and a soft shielding portion.
  • the fixing portions of the covers are respectively attached to the inner edges of the openings, protrude toward the center of the openings, and face each other.
  • the cover portions of the covers are abutted against each other above the fixed portions, and can close the opening.
  • each cover is formed of a soft material and bends within a range of about 90 degrees upward or downward at the base end portion thereof whenever the upper rail passes. Therefore, if it is frequently used, the base end portion is likely to be creased, the opening cannot be sufficiently closed, and the function of preventing the intrusion of foreign matter may not be sufficiently exhibited. .
  • An object of the present invention is to improve the function of closing the opening of the lower rail by reducing the occurrence of cover creases in the seat slide device and to prevent the entry of foreign matter.
  • a seat slide device (1) is supported by a lower rail (4) fixed to a floor (3) and a lower rail (4) fixed to a seat (6). And an upper rail (5).
  • the upper rail (5) is inserted into the lower rail (4) and can move along the moving direction (X) of the upper rail (5), and extends upward from the moving table (15).
  • an attachment portion (16) that can be moved together with the movable table (15).
  • the lower rail (4) has an opening (13a) from which the mounting portion (16) of the upper rail (5) projects upward and a width direction (Y) intersecting with the moving direction (X) of the upper rail (5).
  • the pair of covers (23) includes a pair of fixing portions (24) respectively attached to the lower rail (4), and extends in the width direction (Y) from each fixing portion (24). It has a pair of tongue piece parts (25) separated from each other.
  • the pair of covers (23) has the tongue pieces (25) facing each other along the width direction (Y) and the opening (13a). Can be switched between a lying state (P) and a standing state (Q) in which each tongue piece portion (25) rises across the attachment portion (16) of the upper rail (5).
  • Each tongue piece (25) has a plurality of belt portions (28, 30) connected to each other along the width direction (Y) via a bendable portion (29) that allows bending upward. And in each tongue piece part (25), the band part (28) of the base end side adjacent to each fixing
  • the belt portions (28, 30) are individually bent at the bendable portions (27, 29), and the entire tongue pieces (25) are formed. Bends. Therefore, it is possible to reduce the degree of bending in the individual band portions (28, 30) and to prevent the band portions (28, 30) from being bent.
  • the tongue piece part (25) which is easy to bend can be firmly attached to the lower rail (4) by the fixing part (24). Furthermore, the band portion (28) on the proximal end side can be easily bent and connected to the fixing portion (24) via the bendable portion (27).
  • the bendable portions (27, 29) of the tongue pieces (25) are formed in a thin shape so as to be more easily bent than the belt portions (28, 30) of the tongue pieces (25). Has been. Therefore, the bendable part (27, 29) can be bent more easily than the band part (28, 30).
  • each tongue piece portion (25) is formed of a material of a material different from the band portion (28) of each tongue piece portion (25),
  • Each tongue piece (25) has a property that it is easier to bend than the band (28).
  • each band part (28) and each fixing part (24) are formed of a hard material such as hard resin
  • each bendable part (27, 29) is each band part (28) and each fixing part (24). It is made of a soft material such as a soft resin that is more easily bent. Therefore, each bendable part (27, 29) can be more easily bent than each band part (28).
  • the bendable part (29) adjacent to the front end side band part (30) in each tongue piece part (25) is made of the same material as the front end side band part (30), for example, soft. It is formed of a soft material such as resin, and is formed in a thin shape so as to bend more easily than the belt portion (30) on the front end side. Therefore, each bendable part (29) can be more easily bent than each band part (30).
  • each band (28, 30) in each tongue piece (25) has a main body (28a, 30a) facing the opening (13a) and a lower wall (28b) provided on the lower side of the main body. 30b).
  • the lower walls (28b, 30b) are formed of a hard material such as a hard resin.
  • the main body (28a, 30a) and each bendable part (27, 29) of each band part (28, 30) are formed of the same material, for example, a soft material such as a soft resin.
  • 28, 30) has a property that it is easier to bend than the lower walls (28b, 30b), and each bendable portion (27, 29) is more likely to bend than the main body (28a, 30a) of each band portion (28, 30).
  • each main body (28a, 30a) and each bendable portion (27, 29) can be easily deformed following the upper rail (5), and the tongue piece portion (25) is erected (Q ),
  • the lower walls (28b, 30b) can be made slippery when they are in sliding contact with the upper rail (5).
  • each bendable part (27, 29) can be more easily bent than each band part (28, 30).
  • each tongue piece part (25) has the mounting part (28a) supported by the said lower rail (4) in a lying state (P). Therefore, the lying state (P) of each tongue piece part (25) can be stabilized by the above-mentioned placing part (28a).
  • the present invention can reduce the occurrence of creases in the cover (23) in the seat slide device (1), enhance the function of closing the opening (13a) of the lower rail (4), and prevent the entry of foreign matter.
  • FIG. 2A is a side view which shows the whole seat slide apparatus
  • FIG. 2B is a partial cross-sectional view showing an unlocked state of the upper rail.
  • FIG. 3A is a partial cross-sectional view showing the lower rail cut along the line BB in FIG. 1B outside the upper rail occupation range before the foreign object is dropped in the locked state of the upper rail.
  • (B) is a partial cross-sectional view showing the lower rail cut off outside the occupied area of the upper rail after the foreign matter is dropped in the locked state of the upper rail.
  • FIG. 4A is a partially enlarged sectional view of the cover shown in FIG.
  • FIG. 3A, and FIG. 4B is a partially enlarged sectional view of the cover shown in FIG.
  • FIG. 5A is a partial cross-sectional view showing the lower rail cut along the line CC in FIG. 1B within the upper rail occupation range in the locked state of the upper rail
  • FIG. It is a fragmentary cross-sectional view which cut
  • (A) and (b) are the partial expanded sectional views which show another example of a cover, respectively.
  • the lower rail 4 shown in FIGS. 2 (a) and 2 (b) extends along the front-rear direction X between the front end portion 4a and the rear end portion 4b shown in FIGS. 1 (a) and 1 (b).
  • the lower rail 4 extends along the left-right direction Y from the bottom plate portion 9, a pair of side plate portions 10 bent upward from the left end portion and the right end portion of the bottom plate portion 9, and the upper end portions of the left plate portion 10 and the right plate portion 10. And a pair of upper plate portions 11 bent so as to face each other, and a pair of mouth plate portions 12 bent downward from the upper left plate portion 11 and the upper right plate portion 11, respectively.
  • the left-right direction Y is orthogonal to the moving direction of the upper rail 5, that is, the front-rear direction X.
  • the movement region of the upper rail 5 with respect to the lower rail 4 is divided into a second half region and a first half region along the front-rear direction X.
  • a plurality of locks arranged in a line along the moving direction (front-rear direction X) of the upper rail 5 in the latter half region.
  • a hole 14 (lock portion) is formed, and a plurality of lock holes 14 constituting two groups are formed in the first half region.
  • the upper rail 5 is inserted into the accommodation chamber 13 of the lower rail 4 and can move in the moving direction X of the upper rail 5, and the upper rail 5 extends upward from the moving table 15.
  • a mounting portion 16 that can be moved together with the movable table 15.
  • the movable table 15 has a pair of wheels 15 a supported by the bottom plate portion 9 in the left and right grooves 13 b of the lower rail 4.
  • the attachment portion 16 protrudes upward from the opening 13 a of the lower rail 4.
  • a lock lever 17 (lock member) is supported on the mounting portion 16 of the upper rail 5 so as to be pivotable in the vertical direction about the support shaft 18.
  • the lock lever 17 includes a lock arm 19 that can be engaged with and disengaged from each lock hole 14 of the lower rail 4, and a handle arm 20 that extends from the lock arm 19 and interlocks with the handle 21.
  • the first end 22a of the both ends 22a and 22b of the lock spring 22 is hooked on the upper rail 5, and the second The end portion 22 b of this is hooked to the lock lever 17.
  • the lock lever 17 can be switched between a lock position R shown in FIG. 2A and a lock release position UR shown in FIG. 2A, the claw 19a of the lock arm 19 is engaged with the lock hole 14 by the force of the lock spring 22, and the lock lever 17 restricts the movement of the upper rail 5 with respect to the lower rail 4.
  • the lock state of the rail 5 is set. 2B, the claw 19a of the lock arm 19 is disengaged from the lock hole 14 against the force of the lock spring 22, and the lock lever 17 enables the upper rail 5 to move relative to the lower rail 4. Then, the unlocking state of the upper rail 5 is set.
  • each cover 23 includes a fixing portion 24 attached to the lower rail 4 and a tongue extending from the fixing portion 24 toward the opening 13a. And one piece 25.
  • Each fixing portion 24 includes a horizontal plate portion 24 a placed on each upper plate portion 11, and a locking plate portion 24 b that protrudes downward from each horizontal plate portion 24 a and comes into contact with each side plate portion 10. Have. As shown in FIGS.
  • each tongue piece portion 25 is connected to the horizontal plate portion 24 a of each fixing portion 24 along the width direction Y via a bendable portion 27.
  • the side band 28 and the band 30 on the distal end side connected along the width direction Y via the bendable part 29 to the band 28 on the base end side.
  • Each fixing part 24 and the band part 28 on the proximal end side are formed of a hard resin of the same material such as polypropylene.
  • Each bendable part 27, each bendable part 29, and the band part 30 on the front end side are formed of a soft resin of the same material, such as a polyolefin-based thermoplastic elastomer.
  • the bendable portion 27 between the horizontal plate portion 24a of each fixing portion 24 and the band portion 28 on the proximal end side includes a constricted portion formed thinner than the horizontal plate portion 24a and the band portion 28.
  • the bendable portion 29 between the base end side band portion 28 and the front end side band portion 30 includes a constricted portion formed thinner than the band portions 28 and 30.
  • a mounting protrusion 31 (mounting portion) is formed along the front-rear direction X on the lower side of the belt portion 28 on the proximal end side.
  • a pressing protrusion 32 is formed along the front-rear direction X on the lower side of the belt portion 30 on the distal end side.
  • each band portion 30 on the distal end side connected to each band portion 28 on the proximal end side via a bendable portion 29 projects slightly upward, and the two band portions 30 face each other. It is faced.
  • each front end side band portion 30 is slightly lowered due to the weight of the foreign matter.
  • the two belt portions 30 face each other.
  • This embodiment has the following effects.
  • the tongue pieces 25 of the left and right covers 23 are connected to each other along the width direction Y via a bendable portion 29 that can be folded upward, and a distal end band portion 28 and a distal end. Side band 30. Therefore, as the attachment portion 16 of the upper rail 5 passes, the band portions 28 and 30 are individually bent at the bendable portion 29 and the whole tongue piece portion 25 is bent, and the degree of bending in the individual band portions 28 and 30 is increased. It can reduce and it can make it difficult to fold the belt
  • each tongue piece 25 extends from each fixing portion 24 attached to the lower rail 4, so that each tongue piece 25 that is easily bent is attached to the lower rail 4 by each fixing portion 24. On the other hand, it can be firmly attached.
  • the base end side belt portions 28 are connected to the respective fixing portions 24 via the bendable portions 27. It can be easily bent from the fixing portion 24.
  • the bendable portions 27 and 29 are formed in a thin shape so that they can be bent more easily than the belt portion 28 on the proximal end side and the belt portion 30 on the distal end side.
  • the bendable portions 27 and 29 can be bent more easily than the band portions 28 and 30.
  • the tongue piece portion 25 is easily deformed by following the mounting portion 16 of the upper rail 5 while standing Q. be able to. Further, since the pressing protrusion 32 is formed of a soft resin in the band portion 30 on the distal end side, it is difficult to generate a sliding contact sound when the band portion 30 is in sliding contact with the mounting portion 16 of the upper rail 5.
  • each band portion 28 on the proximal end side has a mounting protrusion 31 supported by the lower rail 4 in the lying down state P, so each tongue piece portion 25 lying down states P can be stabilized.
  • the following embodiment may be configured as follows.
  • the bendable portion 29 and the belt portion 30 on the distal end side are integrally formed with a soft resin.
  • the bendable part 29 and the band part 30 may be formed separately, and the pressing protrusion 32 and the main body 33 of the band part 30 may be formed separately.
  • the main body 33 of the band portion 30 is formed of a hard resin, and the bendable portion 29 and the pressing protrusion 32 of the band portion 30 are formed of a soft resin.
  • the band portion 28 on the proximal end side and the band portion 30 on the distal end side are the lower sides of the main bodies 28a and 30a facing the opening 13a.
  • thin lower walls 28b and 30b are provided. Since the lower walls 28b and 30b of the band portions 28 and 30 are formed of the same material hard resin, when the lower walls 28b and 30b are brought into sliding contact with the upper rail 5 in the standing state Q of the tongue piece portion 25, slipping occurs. Can be made easier.
  • the main bodies 28a, 30a of the belt portions 28, 30 and the bendable portions 27, 29 are formed of a soft resin of the same material and have the property of being easily bent from the lower walls 28b, 30b.
  • each bendable part 27, 29 is provided with a thin constricted portion so that it can be bent more easily than each main body 28a, 30a, each bendable part 27, 29 is easier to bend than each band part 28, 30. can do.
  • each tongue piece portion 25 of the cover 23 the bendable portion 27, the base end side band portion 28, the bendable portion 29, and the distal end portion side band portion 30 may be integrally formed with a soft resin. .
  • the belt portion 28 on the proximal end side and the belt portion 30 on the distal end side are connected to each other along the width direction Y via the bendable portions 27 and 29.
  • a plurality of belt portions may be connected to each other along the width direction Y via the bendable portion between the belt portion 28 on the proximal end side and the belt portion 30 on the distal end side.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

A lower rail (4) has an opening (13a) through which an upper rail (5) protrudes upward and a pair of left and right covers (23) which can close the opening (13a). The left and right covers (23) respectively have tongues (25) which are separated in the widthwise direction (Y). When the upper rail (5) moves, the left and right covers (23) are switched to a lowered state (P) in which the tongues (25) face each other and close the opening (13a) and a raised state (Q) in which the tongues (25) are raised so as to face each other with the upper rail (5) located therebetween. Each of the tongues (25) has a base end-side band section (28) and a front end-side band section (30), which are connected to each other through bendable sections (27, 29) which enable the tongue (25) to be bent upward.

Description

シートスライド装置Seat slide device
　本発明は、車両のシートスライド装置に関する。詳しくは、ロアレールの開口にアッパーレールが移動可能に支持されるとともに、その開口からアッパレールが上方へ突出するシートスライド装置において、ロアレールの開口を閉塞してその開口からの異物の侵入を防止するカバーに関するものである。 The present invention relates to a vehicle seat slide device. Specifically, in a seat slide device in which the upper rail is movably supported by the opening of the lower rail and the upper rail protrudes upward from the opening, a cover that blocks the opening of the lower rail and prevents foreign matter from entering from the opening. It is about.
　特許文献１に記載のシートスライド装置では、ロアレールの開口にアッパーレールが移動可能に支持されるとともに、その開口からアッパレールが上方へ突出している。そのシートスライド装置は、ロアレールの開口を閉塞する一対のカバーを有している。両カバーは硬質の固定部と軟質の遮蔽部とから一体に成形されている。各カバーの固定部は開口の内側縁にそれぞれ装着され、開口の中央へ向かって突出し、かつ、互いに対向している。各カバーの遮蔽部は各固定部の上方にて互いに対向して突き合わされ、開口を閉塞することができる。アッパレールが移動するとき、各遮蔽部の間を拡げながら、各カバーの固定部の間及び遮蔽部の間を通過する。 In the seat slide device described in Patent Document 1, the upper rail is supported movably in the opening of the lower rail, and the upper rail protrudes upward from the opening. The seat slide device has a pair of covers that close the opening of the lower rail. Both covers are integrally formed from a hard fixed portion and a soft shielding portion. The fixing portions of the covers are respectively attached to the inner edges of the openings, protrude toward the center of the openings, and face each other. The cover portions of the covers are abutted against each other above the fixed portions, and can close the opening. When the upper rail moves, it passes between the fixing portions of the respective covers and between the shielding portions while expanding between the respective shielding portions.
特開２００７－１８６１０４号公報JP 2007-186104 A
　しかし、上記の各カバーの遮蔽部の全体は、軟質材料により成形され、アッパレールが通過するたびに、その基端部において上方または下方へ約９０度の範囲内で撓む。そのため、頻繁に使用されると、その基端部に折れ癖が付き易くなって、開口を十分に閉塞することができず、異物の侵入防止機能を十分に発揮することができないおそれがあった。 However, the entire shielding portion of each cover is formed of a soft material and bends within a range of about 90 degrees upward or downward at the base end portion thereof whenever the upper rail passes. Therefore, if it is frequently used, the base end portion is likely to be creased, the opening cannot be sufficiently closed, and the function of preventing the intrusion of foreign matter may not be sufficiently exhibited. .
　この発明は、シートスライド装置において、カバーの折れ癖の発生を少なくしてロアレールの開口の閉塞機能を高め、異物の侵入を防止することを目的としている。 An object of the present invention is to improve the function of closing the opening of the lower rail by reducing the occurrence of cover creases in the seat slide device and to prevent the entry of foreign matter.
　次に、後述する実施形態の図面中の符号を参照して、本発明を説明する。 Next, the present invention will be described with reference to reference numerals in the drawings of embodiments described later.
　本願の第１の態様にかかるシートスライド装置（１）は、フロア（３）に固定されるロアレール（４）と、シート（６）に固定されて前記ロアレール（４）に移動可能に支持されるアッパレール（５）とを備えている。前記アッパレール（５）は、前記ロアレール（４）内に挿入されてアッパレール（５）の移動方向（Ｘ）に沿って移動し得る移動台（１５）と、その移動台（１５）から上方へ延設されて移動台（１５）とともに移動し得る取付部（１６）とを有している。前記ロアレール（４）は、前記アッパレール（５）の取付部（１６）が上方へ突出する開口（１３ａ）と、アッパレール（５）の移動方向（Ｘ）に対して交叉する幅方向（Ｙ）の両側において前記開口（１３ａ）を閉塞し得る一対のカバー（２３）とを有している。一対のカバー（２３）は、前記ロアレール（４）にそれぞれ取着された一対の固定部（２４）と、各固定部（２４）から幅方向（Ｙ）に延設され、前記開口の上方において互いに分離された一対の舌片部（２５）とを有している。一対のカバー（２３）は、前記アッパレール（５）の取付部（１６）が移動する際に、各舌片部（２５）が幅方向（Ｙ）に沿って互いに対向して前記開口（１３ａ）を閉塞する倒伏状態（Ｐ）と、各舌片部（２５）が前記アッパーレール（５）の取付部（１６）を挟んで起き上がる起立状態（Ｑ）とに切り替え可能である。各舌片部（２５）は上方への折曲を可能にする折曲可能部（２９）を介して幅方向（Ｙ）に沿って互いに連結された複数の帯部（２８，３０）を有し、各舌片部（２５）において各固定部（２４）に隣接する基端側の帯部（２８）は各固定部（２４）に折曲可能部（２７）を介して連結されている。 A seat slide device (1) according to a first aspect of the present application is supported by a lower rail (4) fixed to a floor (3) and a lower rail (4) fixed to a seat (6). And an upper rail (5). The upper rail (5) is inserted into the lower rail (4) and can move along the moving direction (X) of the upper rail (5), and extends upward from the moving table (15). And an attachment portion (16) that can be moved together with the movable table (15). The lower rail (4) has an opening (13a) from which the mounting portion (16) of the upper rail (5) projects upward and a width direction (Y) intersecting with the moving direction (X) of the upper rail (5). It has a pair of cover (23) which can obstruct | occlude the said opening (13a) in both sides. The pair of covers (23) includes a pair of fixing portions (24) respectively attached to the lower rail (4), and extends in the width direction (Y) from each fixing portion (24). It has a pair of tongue piece parts (25) separated from each other. When the attachment portion (16) of the upper rail (5) moves, the pair of covers (23) has the tongue pieces (25) facing each other along the width direction (Y) and the opening (13a). Can be switched between a lying state (P) and a standing state (Q) in which each tongue piece portion (25) rises across the attachment portion (16) of the upper rail (5). Each tongue piece (25) has a plurality of belt portions (28, 30) connected to each other along the width direction (Y) via a bendable portion (29) that allows bending upward. And in each tongue piece part (25), the band part (28) of the base end side adjacent to each fixing | fixed part (24) is connected to each fixing | fixed part (24) via the bendable part (27). .
　第１の態様では、アッパレール（５）の通過に伴い、各帯部（２８，３０）が折曲可能部（２７，２９）にて個々に折れ曲がって、各舌片部（２５）の全体が折れ曲がる。そのため、個々の帯部（２８，３０）における撓み度を軽減して帯部（２８，３０）に折れ癖が付き難くすることができる。また、折れ曲がり易い舌片部（２５）を、固定部（２４）によってロアレール（４）に堅固に取着することができる。さらに、基端側の帯部（２８）を固定部（２４）に、折曲可能部（２７）を介して折れ曲がり易く連結することができる。 In the first aspect, as the upper rail (5) passes, the belt portions (28, 30) are individually bent at the bendable portions (27, 29), and the entire tongue pieces (25) are formed. Bends. Therefore, it is possible to reduce the degree of bending in the individual band portions (28, 30) and to prevent the band portions (28, 30) from being bent. Moreover, the tongue piece part (25) which is easy to bend can be firmly attached to the lower rail (4) by the fixing part (24). Furthermore, the band portion (28) on the proximal end side can be easily bent and connected to the fixing portion (24) via the bendable portion (27).
　第２の態様において、前記各舌片部（２５）の折曲可能部（２７，２９）は、各舌片部（２５）の帯部（２８，３０）より折れ曲がり易いように薄肉状に形成されている。従って、折曲可能部（２７，２９）を帯部（２８，３０）より折れ曲がり易くすることができる。 In the second aspect, the bendable portions (27, 29) of the tongue pieces (25) are formed in a thin shape so as to be more easily bent than the belt portions (28, 30) of the tongue pieces (25). Has been. Therefore, the bendable part (27, 29) can be bent more easily than the band part (28, 30).
　第３の態様において、前記各舌片部（２５）の折曲可能部（２７，２９）は、各舌片部（２５）の帯部（２８）とは異なる材質の材料により成形されて、各舌片部（２５）の帯部（２８）より折れ曲がり易い性質を有している。例えば、各帯部（２８）及び各固定部（２４）は硬質樹脂などの硬質材料により形成され、各折曲可能部（２７，２９）は各帯部（２８）及び各固定部（２４）より折れ曲がり易い軟質樹脂などの軟質材料により形成されている。従って、各折曲可能部（２７，２９）を各帯部（２８）より折れ曲がり易くすることができる。 In the third aspect, the bendable portion (27, 29) of each tongue piece portion (25) is formed of a material of a material different from the band portion (28) of each tongue piece portion (25), Each tongue piece (25) has a property that it is easier to bend than the band (28). For example, each band part (28) and each fixing part (24) are formed of a hard material such as hard resin, and each bendable part (27, 29) is each band part (28) and each fixing part (24). It is made of a soft material such as a soft resin that is more easily bent. Therefore, each bendable part (27, 29) can be more easily bent than each band part (28).
　第４の態様において、各舌片部（２５）における先端側の帯部（３０）に隣接する折曲可能部（２９）は、先端側の帯部（３０）と同じ材質の材料、例えば軟質樹脂などの軟質材料により成形され、先端側の帯部（３０）より折れ曲がり易いように薄肉状に形成されている。従って、各折曲可能部（２９）を各帯部（３０）より折れ曲がり易くすることができる。 In the fourth aspect, the bendable part (29) adjacent to the front end side band part (30) in each tongue piece part (25) is made of the same material as the front end side band part (30), for example, soft. It is formed of a soft material such as resin, and is formed in a thin shape so as to bend more easily than the belt portion (30) on the front end side. Therefore, each bendable part (29) can be more easily bent than each band part (30).
　第５の態様において、各舌片部（２５）における各帯部（２８，３０）は開口（１３ａ）に対向する本体（２８ａ，３０ａ）と、その本体の下側に設けた下壁（２８ｂ，３０ｂ）とを有する。下壁（２８ｂ，３０ｂ）は例えば硬質樹脂などの硬質材料により成形されている。各帯部（２８，３０）の本体（２８ａ，３０ａ）と各折曲可能部（２７，２９）とは互いに同じ材質の材料、例えば軟質樹脂などの軟質材料により成形されて、各帯部（２８，３０）の下壁（２８ｂ，３０ｂ）より折れ曲がり易い性質を有し、各折曲可能部（２７，２９）は各帯部（２８，３０）の本体（２８ａ，３０ａ）より折れ曲がり易いように薄肉状に形成されている。従って、各本体（２８ａ，３０ａ）と各折曲可能部（２７，２９）とをアッパレール（５）に追従して容易に変形させることができるとともに、舌片部（２５）の起立状態（Ｑ）で各下壁（２８ｂ，３０ｂ）がアッパレール（５）に対して摺接する際に滑り易くすることができる。また、各折曲可能部（２７，２９）を各帯部（２８，３０）より折れ曲がり易くすることができる。 In the fifth aspect, each band (28, 30) in each tongue piece (25) has a main body (28a, 30a) facing the opening (13a) and a lower wall (28b) provided on the lower side of the main body. 30b). The lower walls (28b, 30b) are formed of a hard material such as a hard resin. The main body (28a, 30a) and each bendable part (27, 29) of each band part (28, 30) are formed of the same material, for example, a soft material such as a soft resin. 28, 30) has a property that it is easier to bend than the lower walls (28b, 30b), and each bendable portion (27, 29) is more likely to bend than the main body (28a, 30a) of each band portion (28, 30). It is formed in a thin wall shape. Accordingly, each main body (28a, 30a) and each bendable portion (27, 29) can be easily deformed following the upper rail (5), and the tongue piece portion (25) is erected (Q ), The lower walls (28b, 30b) can be made slippery when they are in sliding contact with the upper rail (5). Moreover, each bendable part (27, 29) can be more easily bent than each band part (28, 30).
　第６の態様において、前記各舌片部（２５）の帯部（２８）は、倒伏状態（Ｐ）において前記ロアレール（４）に支持される載置部（２８ａ）を有している。従って、前記載置部（２８ａ）により、各舌片部（２５）の倒伏状態（Ｐ）を安定させることができる。 6th aspect WHEREIN: The strip | belt part (28) of each said tongue piece part (25) has the mounting part (28a) supported by the said lower rail (4) in a lying state (P). Therefore, the lying state (P) of each tongue piece part (25) can be stabilized by the above-mentioned placing part (28a).
　本発明は、シートスライド装置（１）において、カバー（２３）の折れ癖の発生を少なくしてロアレール（４）の開口（１３ａ）の閉塞機能を高め、異物の侵入を防止することができる。 The present invention can reduce the occurrence of creases in the cover (23) in the seat slide device (1), enhance the function of closing the opening (13a) of the lower rail (4), and prevent the entry of foreign matter.
（ａ）はシートスライド装置の全体を示す側面図であり、（ｂ）は同じく平面図である。(A) is a side view which shows the whole seat slide apparatus, (b) is a top view similarly. （ａ）はアッパーレールのロック状態を示し、図１（ｂ）のＡ－Ａ線に沿った部分横断面図であり、図２（ｂ）はアッパーレールのロック解除状態を示す部分横断面図である。FIG. 2A is a partial cross-sectional view taken along line AA in FIG. 1B, and FIG. 2B is a partial cross-sectional view showing an unlocked state of the upper rail. It is. （ａ）はアッパーレールのロック状態において、異物落下前のアッパレールの占有範囲外で、図１（ｂ）のＢ－Ｂ線に沿ってロアレールを切断して示す部分横断面図であり、図３（ｂ）はアッパーレールのロック状態において、異物落下後にアッパレールの占有範囲外でロアレールを切断して示す部分横断面図である。FIG. 3A is a partial cross-sectional view showing the lower rail cut along the line BB in FIG. 1B outside the upper rail occupation range before the foreign object is dropped in the locked state of the upper rail. (B) is a partial cross-sectional view showing the lower rail cut off outside the occupied area of the upper rail after the foreign matter is dropped in the locked state of the upper rail. （ａ）は図３（ａ）に示すカバーの部分拡大断面図であり、図４（ｂ）は図５（ａ）に示すカバーの部分拡大断面図である。FIG. 4A is a partially enlarged sectional view of the cover shown in FIG. 3A, and FIG. 4B is a partially enlarged sectional view of the cover shown in FIG. （ａ）はアッパーレールのロック状態において、アッパレールの占有範囲内で、図１（ｂ）のＣ－Ｃ線に沿ってロアレールを切断して示す部分横断面図であり、図５（ｂ）はロック解除状態において、アッパレールの占有範囲内でロアレールを切断して示す部分横断面図である。FIG. 5A is a partial cross-sectional view showing the lower rail cut along the line CC in FIG. 1B within the upper rail occupation range in the locked state of the upper rail, and FIG. It is a fragmentary cross-sectional view which cut | disconnects and shows a lower rail within the occupation range of an upper rail in a lock release state. （ａ）（ｂ）はそれぞれカバーの別例を示す部分拡大断面図である。(A) and (b) are the partial expanded sectional views which show another example of a cover, respectively.
　以下、本発明の一実施形態について図面を参照して説明する。 Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
　図１（ａ）（ｂ）に示すシートスライド装置１は、ワンボックスカー等の車両に設けられるセカンドシート装置２またはサードシート装置２に採用され、車両のフロア３に固定されたロアレール４と、ロアレール４に対して前後方向Ｘへ移動可能に取り付けられたアッパレール５とを備えている。アッパレール５にはシート６が固定されている。 A seat slide device 1 shown in FIGS. 1A and 1B is employed in a second seat device 2 or a third seat device 2 provided in a vehicle such as a one-box car, and a lower rail 4 fixed to a floor 3 of the vehicle, And an upper rail 5 attached to the lower rail 4 so as to be movable in the front-rear direction X. A seat 6 is fixed to the upper rail 5.
　図２（ａ）（ｂ）に示すロアレール４は、図１（ａ）（ｂ）に示す前端部４ａと後端部４ｂとの間で前後方向Ｘに沿って延設されている。そのロアレール４は底板部９と、底板部９の左端部及び右端部からそれぞれ上方へ屈曲された一対の側板部１０と、左側板部１０及び右側板部１０の上端部から左右方向Ｙに沿い、内側へ向かって互いに対向するように屈曲された一対の上板部１１と、左上板部１１及び右上板部１１からそれぞれ下方へ屈曲された一対の口板部１２とを有している。左右方向Ｙは、アッパレール５の移動方向、すなわち、前後方向Ｘに対して直交している。 The lower rail 4 shown in FIGS. 2 (a) and 2 (b) extends along the front-rear direction X between the front end portion 4a and the rear end portion 4b shown in FIGS. 1 (a) and 1 (b). The lower rail 4 extends along the left-right direction Y from the bottom plate portion 9, a pair of side plate portions 10 bent upward from the left end portion and the right end portion of the bottom plate portion 9, and the upper end portions of the left plate portion 10 and the right plate portion 10. And a pair of upper plate portions 11 bent so as to face each other, and a pair of mouth plate portions 12 bent downward from the upper left plate portion 11 and the upper right plate portion 11, respectively. The left-right direction Y is orthogonal to the moving direction of the upper rail 5, that is, the front-rear direction X.
　底板部９、左右の側板部１０、左右の上板部１１及び左右の口板部１２によって収容室１３が形成されている。その収容室１３は、左右の口板部１２の間に形成されて前後方向Ｘへ延びる開口１３ａと、側板部１０と口板部１２との間に形成されて前後方向Ｘへ延びる溝１３ｂとを有し、開口１３ａによって収容室１３が上方へ開放されている。 A storage chamber 13 is formed by the bottom plate portion 9, the left and right side plate portions 10, the left and right upper plate portions 11, and the left and right mouth plate portions 12. The storage chamber 13 is formed between the left and right mouth plate portions 12 and extends in the front-rear direction X, and the groove 13 b is formed between the side plate portion 10 and the mouth plate portion 12 and extends in the front-rear direction X. The housing chamber 13 is opened upward by the opening 13a.
　図１（ａ）（ｂ）に示すように、ロアレール４に対するアッパレール５の移動領域は、前後方向Ｘに沿い、後半の領域と前半の領域とに区分されている。図１（ａ）（ｂ）及び図２（ａ）（ｂ）に示すように、ロアレール４において、後半の領域にはアッパレール５の移動方向（前後方向Ｘ）に沿って一列に並ぶ複数のロック孔１４（ロック部）が形成され、前半の領域には二つのグループを構成する複数のロック孔１４が形成されている。 As shown in FIGS. 1A and 1B, the movement region of the upper rail 5 with respect to the lower rail 4 is divided into a second half region and a first half region along the front-rear direction X. As shown in FIGS. 1A and 1B and FIGS. 2A and 2B, in the lower rail 4, a plurality of locks arranged in a line along the moving direction (front-rear direction X) of the upper rail 5 in the latter half region. A hole 14 (lock portion) is formed, and a plurality of lock holes 14 constituting two groups are formed in the first half region.
　図２（ａ）（ｂ）に示すように、アッパレール５は、ロアレール４の収容室１３に挿入されてアッパレール５の移動方向Ｘへ移動し得る移動台１５と、その移動台１５から上方へ延設されて移動台１５とともに移動し得る取付部１６とを有している。移動台１５は、ロアレール４の左右の溝１３ｂ内にて底板部９に支持された一対の車輪１５ａを有している。取付部１６はロアレール４の開口１３ａから上方へ突出している。 2A and 2B, the upper rail 5 is inserted into the accommodation chamber 13 of the lower rail 4 and can move in the moving direction X of the upper rail 5, and the upper rail 5 extends upward from the moving table 15. And a mounting portion 16 that can be moved together with the movable table 15. The movable table 15 has a pair of wheels 15 a supported by the bottom plate portion 9 in the left and right grooves 13 b of the lower rail 4. The attachment portion 16 protrudes upward from the opening 13 a of the lower rail 4.
　アッパレール５の取付部１６にはロックレバー１７（ロック部材）が支軸１８を中心に上下方向へ回動可能に支持されている。ロックレバー１７は、ロアレール４の各ロック孔１４に係脱し得るロック腕１９と、ロック腕１９から延設されてハンドル２１と連動するハンドル腕２０とを有している。 A lock lever 17 (lock member) is supported on the mounting portion 16 of the upper rail 5 so as to be pivotable in the vertical direction about the support shaft 18. The lock lever 17 includes a lock arm 19 that can be engaged with and disengaged from each lock hole 14 of the lower rail 4, and a handle arm 20 that extends from the lock arm 19 and interlocks with the handle 21.
　図３（ａ）（ｂ）及び図２（ａ）（ｂ）に示すように、ロックばね２２の両端部２２ａ，２２ｂのうち、第１の端部２２ａはアッパレール５に引掛けられ、第２の端部２２ｂはロックレバー１７に引掛けられている。ロックレバー１７は、図２（ａ）に示すロック位置Ｒと、図２（ｂ）に示すロック解除位置ＵＲとに切り替え可能である。図２（ａ）に示すロック位置Ｒでは、ロックばね２２の力により、ロック腕１９の爪１９ａがロック孔１４に係入され、ロックレバー１７がロアレール４に対するアッパレール５の移動を規制し、アッパーレール５のロック状態を設定する。図２（ｂ）に示すロック解除位置ＵＲでは、ロックばね２２の力に抗してロック腕１９の爪１９ａがロック孔１４から離脱し、ロックレバー１７がロアレール４に対するアッパレール５の移動を可能にし、アッパーレール５のロック解除状態を設定する。 As shown in FIGS. 3A and 3B and FIGS. 2A and 2B, the first end 22a of the both ends 22a and 22b of the lock spring 22 is hooked on the upper rail 5, and the second The end portion 22 b of this is hooked to the lock lever 17. The lock lever 17 can be switched between a lock position R shown in FIG. 2A and a lock release position UR shown in FIG. 2A, the claw 19a of the lock arm 19 is engaged with the lock hole 14 by the force of the lock spring 22, and the lock lever 17 restricts the movement of the upper rail 5 with respect to the lower rail 4. The lock state of the rail 5 is set. 2B, the claw 19a of the lock arm 19 is disengaged from the lock hole 14 against the force of the lock spring 22, and the lock lever 17 enables the upper rail 5 to move relative to the lower rail 4. Then, the unlocking state of the upper rail 5 is set.
　図１（ａ）（ｂ）に示すように、ロアレール４は、前端部４ａと後端部４ｂとの間で前後方向Ｘへ延設された左右一対のカバー２３を有している。図３（ａ）（ｂ）及び図４（ａ）に示すように、各カバー２３は、ロアレール４に取着された固定部２４と、固定部２４から開口１３ａへ向かって延設された舌片部２５とを有している。各固定部２４は、各上板部１１に載置された横板部２４ａと、各横板部２４ａから下方へ突設されて各側板部１０に当接された係止板部２４ｂとを有している。図１（ａ）（ｂ）に示すように、ロアレール４には前端部４ａの近傍、後端部４ｂの近傍、及びそれらの中間部の三箇所に、係止部材２６が嵌め込まれている。各係止部材２６は、ロアレール４の底板部９に当接された底板部２６ａと、ロアレール４の左右の側板部１０にそれぞれ当接された一対の側板部２６ｂとを有している。各カバー２３の各係止板部２４ｂが各係止部材２６の各側板部２６ｂに係止されて、各カバー２３の固定部２４が上方へ抜けないように規制されている。 As shown in FIGS. 1 (a) and 1 (b), the lower rail 4 has a pair of left and right covers 23 extending in the front-rear direction X between the front end portion 4a and the rear end portion 4b. As shown in FIGS. 3A and 3B and FIG. 4A, each cover 23 includes a fixing portion 24 attached to the lower rail 4 and a tongue extending from the fixing portion 24 toward the opening 13a. And one piece 25. Each fixing portion 24 includes a horizontal plate portion 24 a placed on each upper plate portion 11, and a locking plate portion 24 b that protrudes downward from each horizontal plate portion 24 a and comes into contact with each side plate portion 10. Have. As shown in FIGS. 1 (a) and 1 (b), the lower rail 4 is fitted with locking members 26 in the vicinity of the front end portion 4a, the vicinity of the rear end portion 4b, and the middle portion thereof. Each locking member 26 has a bottom plate portion 26 a that is in contact with the bottom plate portion 9 of the lower rail 4, and a pair of side plate portions 26 b that are in contact with the left and right side plate portions 10 of the lower rail 4. Each locking plate portion 24b of each cover 23 is locked to each side plate portion 26b of each locking member 26 so that the fixing portion 24 of each cover 23 is restricted so as not to be pulled upward.
　一方、図４（ａ）に示すように、各舌片部２５は、各固定部２４の横板部２４ａに対し、幅方向Ｙに沿い、折曲可能部２７を介して連結された基端側の帯部２８と、基端側の帯部２８に対し、幅方向Ｙに沿い、折曲可能部２９を介して連結された先端側の帯部３０とを有している。各固定部２４と基端側の帯部２８とは、例えばポリプロピレンなどの、同じ材質の硬質樹脂により成形されている。各折曲可能部２７、各折曲可能部２９、及び、先端側の帯部３０は、例えばポリオレフィン系の熱可塑性エラストマーなどの、同じ材質の軟質樹脂により成形されている。各固定部２４の横板部２４ａと基端側の帯部２８との間の折曲可能部２７は、その横板部２４ａや帯部２８より薄肉状に形成されたくびれ部分を備えている。基端側の帯部２８と先端側の帯部３０との間の折曲可能部２９は、その帯部２８，３０より薄肉状に形成されたくびれ部分を備えている。基端側の帯部２８の下側には載置突条３１（載置部）が前後方向Ｘに沿って形成されている。先端側の帯部３０の下側には押圧突条３２が前後方向Ｘに沿って形成されている。 On the other hand, as shown in FIG. 4A, each tongue piece portion 25 is connected to the horizontal plate portion 24 a of each fixing portion 24 along the width direction Y via a bendable portion 27. The side band 28 and the band 30 on the distal end side connected along the width direction Y via the bendable part 29 to the band 28 on the base end side. Each fixing part 24 and the band part 28 on the proximal end side are formed of a hard resin of the same material such as polypropylene. Each bendable part 27, each bendable part 29, and the band part 30 on the front end side are formed of a soft resin of the same material, such as a polyolefin-based thermoplastic elastomer. The bendable portion 27 between the horizontal plate portion 24a of each fixing portion 24 and the band portion 28 on the proximal end side includes a constricted portion formed thinner than the horizontal plate portion 24a and the band portion 28. . The bendable portion 29 between the base end side band portion 28 and the front end side band portion 30 includes a constricted portion formed thinner than the band portions 28 and 30. A mounting protrusion 31 (mounting portion) is formed along the front-rear direction X on the lower side of the belt portion 28 on the proximal end side. A pressing protrusion 32 is formed along the front-rear direction X on the lower side of the belt portion 30 on the distal end side.
　次に、ロアレール４に対するカバー２３の作用を説明する。 Next, the operation of the cover 23 on the lower rail 4 will be described.
　図３（ａ）及び図４（ａ）に示すように、アッパーレール５のロアレール４に対するロック状態において、ロアレール４上にてアッパレール５の占有範囲外に位置する左右のカバー２３は、異物落下前の倒伏状態Ｐに配置されている。左右のカバー２３においては、ロアレール４の上板部１１の上方で、各固定部２４の横板部２４ａの一部が各上板部１１に載置されている。また、各横板部２４ａに折曲可能部２７を介して連結された基端側の帯部２８が、載置突条３１を介して上板部１１に載置されて各上板部１１から開口１３ａへ向かって突出し、基端側の各帯部２８に折曲可能部２９を介して連結された先端側の各帯部３０が若干上向きに突出し、２つの帯部３０が互いに対向して突き合わされている。 As shown in FIGS. 3 (a) and 4 (a), when the upper rail 5 is locked to the lower rail 4, the left and right covers 23 located outside the upper rail 5 occupation range on the lower rail 4 are In the lying state P. In the left and right covers 23, a part of the horizontal plate portion 24 a of each fixing portion 24 is placed on each upper plate portion 11 above the upper plate portion 11 of the lower rail 4. In addition, the base side belt portion 28 connected to each horizontal plate portion 24 a via the bendable portion 27 is placed on the upper plate portion 11 via the placement protrusion 31, and each upper plate portion 11. Projecting toward the opening 13a, each band portion 30 on the distal end side connected to each band portion 28 on the proximal end side via a bendable portion 29 projects slightly upward, and the two band portions 30 face each other. It is faced.
　図３（ｂ）に示すように、左右のカバー２３上に異物が落下して先端側の帯部３０にその異物が載った後には、先端側の各帯部３０が異物の重量により若干下向きに変位した状態で、２つの帯部３０が互いに対向して突き合わされた状態となる。 As shown in FIG. 3B, after the foreign matter falls on the left and right covers 23 and the foreign matter is placed on the front end side band portion 30, each front end side band portion 30 is slightly lowered due to the weight of the foreign matter. In a state where the two belt portions 30 are displaced to each other, the two belt portions 30 face each other.
　異物落下前におけるカバー２３の倒伏状態Ｐでは、図３（ａ）及び図４（ａ）に示すように、各帯部２８と各帯部３０との間において、折曲可能部２９の下方にギャップ２９ａが形成される。一方、異物がカバー２３に落下すると、図３（ｂ）に示すように、前記ギャップ２９ａを解消するように、各帯部３０が下方に変位する。 In the lying state P of the cover 23 before the foreign matter is dropped, as shown in FIGS. 3A and 4A, between the belt portions 28 and the belt portions 30, below the bendable portion 29. A gap 29a is formed. On the other hand, when the foreign matter falls on the cover 23, as shown in FIG. 3B, each band 30 is displaced downward so as to eliminate the gap 29a.
　図２（ａ）（ｂ）、図５（ａ）（ｂ）及び図４（ｂ）に示すように、ロアレール４上にてアッパレール５が移動すると、図４（ａ）に示す左右のカバー２３において、倒伏状態Ｐで突き合わされた先端側の２つの帯部３０の間に、アッパレール５の取付部１６が入り込み、先端側の各帯部３０が押圧突条３２を介して取付部１６に接触しながら、取付部１６を挟んで起き上がり、図４（ｂ）に示す起立状態Ｑに変化する。その場合、左右のカバー２３においては、基端側の帯部２８と先端側の帯部３０とがアッパレール５の取付部１６の形態に合わせて、折曲可能部２７，２９で折れ曲がりながら変形する。その後、起立状態Ｑにある左右のカバー２３は、アッパレール５の取付部１６の離間に伴い、異物落下前の倒伏状態Ｐに戻る。 As shown in FIGS. 2A, 2B, 5A, 5B, and 4B, when the upper rail 5 moves on the lower rail 4, the left and right covers 23 shown in FIG. 2, the attachment portions 16 of the upper rail 5 enter between the two belt portions 30 on the distal end faced in the lying state P, and each belt portion 30 on the distal end side contacts the attachment portion 16 via the pressing protrusion 32. On the other hand, it rises across the mounting portion 16 and changes to the standing state Q shown in FIG. In that case, in the left and right covers 23, the belt portion 28 on the proximal end side and the belt portion 30 on the distal end side are deformed while being bent at the bendable portions 27 and 29 in accordance with the form of the mounting portion 16 of the upper rail 5. . Thereafter, the left and right covers 23 in the standing state Q return to the lying down state P before the foreign matter is dropped with the separation of the mounting portion 16 of the upper rail 5.
　本実施形態は下記の効果を有する。 This embodiment has the following effects.
　（１）　左右のカバー２３の舌片部２５は、上方への折曲げを可能にする折曲可能部２９を介して幅方向Ｙに沿って互いに連結された基端側の帯部２８と先端側の帯部３０とを有している。そのため、アッパレール５の取付部１６の通過に伴い、各帯部２８，３０が折曲可能部２９で個々に折れ曲がって舌片部２５の全体が折れ曲がり、個々の帯部２８，３０における撓み度を軽減して帯部２８，３０に折れ癖が付き難くすることができる。従って、ロアレール４の開口１３ａの閉塞機能を高め、異物の侵入を防止することができる。 (1) The tongue pieces 25 of the left and right covers 23 are connected to each other along the width direction Y via a bendable portion 29 that can be folded upward, and a distal end band portion 28 and a distal end. Side band 30. Therefore, as the attachment portion 16 of the upper rail 5 passes, the band portions 28 and 30 are individually bent at the bendable portion 29 and the whole tongue piece portion 25 is bent, and the degree of bending in the individual band portions 28 and 30 is increased. It can reduce and it can make it difficult to fold the belt | band | zone parts 28 and 30. Accordingly, the function of closing the opening 13a of the lower rail 4 can be enhanced, and entry of foreign matter can be prevented.
　（２）　左右のカバー２３において、ロアレール４に取着された各固定部２４から各舌片部２５が延設されているので、折れ曲がり易い各舌片部２５を各固定部２４によりロアレール４に対して堅固に取着することができる。 (2) In the left and right covers 23, each tongue piece 25 extends from each fixing portion 24 attached to the lower rail 4, so that each tongue piece 25 that is easily bent is attached to the lower rail 4 by each fixing portion 24. On the other hand, it can be firmly attached.
　（３）　左右のカバー２３の舌片部２５において、基端側の帯部２８が各固定部２４に、折曲可能部２７を介して連結されているので、基端側の帯部２８を固定部２４から折れ曲げ易くすることができる。 (3) In the tongue pieces 25 of the left and right covers 23, the base end side belt portions 28 are connected to the respective fixing portions 24 via the bendable portions 27. It can be easily bent from the fixing portion 24.
　（４）　左右のカバー２３の舌片部２５において、各折曲可能部２７，２９は基端側の帯部２８及び先端側の帯部３０より折れ曲がり易いように薄肉状に形成されているので、各折曲可能部２７，２９を各帯部２８，３０より折れ曲げ易くすることができる。 (4) In the tongue pieces 25 of the left and right covers 23, the bendable portions 27 and 29 are formed in a thin shape so that they can be bent more easily than the belt portion 28 on the proximal end side and the belt portion 30 on the distal end side. The bendable portions 27 and 29 can be bent more easily than the band portions 28 and 30.
　（５）　先端側の帯部３０及び折曲可能部２９は軟質樹脂により成形されているので、舌片部２５を起立状態Ｑのまま、アッパレール５の取付部１６に追従して容易に変形させることができる。また、先端側の帯部３０において、押圧突条３２が軟質樹脂により成形されているので、その帯部３０がアッパレール５の取付部１６に摺接する際に摺接音を発生しにくい。 (5) Since the belt portion 30 and the bendable portion 29 on the distal end side are formed of a soft resin, the tongue piece portion 25 is easily deformed by following the mounting portion 16 of the upper rail 5 while standing Q. be able to. Further, since the pressing protrusion 32 is formed of a soft resin in the band portion 30 on the distal end side, it is difficult to generate a sliding contact sound when the band portion 30 is in sliding contact with the mounting portion 16 of the upper rail 5.
　（６）　左右のカバー２３の各舌片部２５において、基端側の各帯部２８は倒伏状態Ｐでロアレール４に支持される載置突条３１を有しているので、各舌片部２５の倒伏状態Ｐを安定させることができる。 (6) In each tongue piece portion 25 of the left and right covers 23, each band portion 28 on the proximal end side has a mounting protrusion 31 supported by the lower rail 4 in the lying down state P, so each tongue piece portion 25 lying down states P can be stabilized.
　前記実施形態以外にも例えば下記のように構成してもよい。 For example, the following embodiment may be configured as follows.
　前記実施形態では、図４（ａ）に示すように、カバー２３の各舌片部２５において、折曲可能部２９と先端側の帯部３０とを軟質樹脂により一体に成形しているが、図６（ａ）に示すように、折曲可能部２９と帯部３０とを別体で形成するとともに、帯部３０の押圧突条３２と本体３３とを別体で形成してもよい。その場合、帯部３０の本体３３を硬質樹脂により成形し、折曲可能部２９と帯部３０の押圧突条３２とを軟質樹脂により成形する。 In the embodiment, as shown in FIG. 4A, in each tongue piece portion 25 of the cover 23, the bendable portion 29 and the belt portion 30 on the distal end side are integrally formed with a soft resin. As shown in FIG. 6A, the bendable part 29 and the band part 30 may be formed separately, and the pressing protrusion 32 and the main body 33 of the band part 30 may be formed separately. In that case, the main body 33 of the band portion 30 is formed of a hard resin, and the bendable portion 29 and the pressing protrusion 32 of the band portion 30 are formed of a soft resin.
　また、図６（ｂ）に示すように、カバー２３の各舌片部２５において、基端側の帯部２８及び先端側の帯部３０は、開口１３ａに対向する本体２８ａ，３０ａの下側に、薄い下壁２８ｂ，３０ｂを有している。各帯部２８，３０の下壁２８ｂ，３０ｂは同じ材質の硬質樹脂により成形されているので、舌片部２５の起立状態Ｑで各下壁２８ｂ，３０ｂがアッパレール５に摺接する際に、滑り易くすることができる。また、各帯部２８，３０の本体２８ａ，３０ａと各折曲可能部２７，２９とは同じ材質の軟質樹脂により成形されて、各下壁２８ｂ，３０ｂより折れ曲がり易い性質を有しているので、各本体２８ａ，３０ａと各折曲可能部２７，２９とをアッパレール５に追従して容易に変形させることができる。さらに、各折曲可能部２７，２９は各本体２８ａ，３０ａより折れ曲がり易いように薄肉状のくびれ部分を備えているので、各折曲可能部２７，２９を各帯部２８，３０より折れ曲がり易くすることができる。 Further, as shown in FIG. 6B, in each tongue piece portion 25 of the cover 23, the band portion 28 on the proximal end side and the band portion 30 on the distal end side are the lower sides of the main bodies 28a and 30a facing the opening 13a. In addition, thin lower walls 28b and 30b are provided. Since the lower walls 28b and 30b of the band portions 28 and 30 are formed of the same material hard resin, when the lower walls 28b and 30b are brought into sliding contact with the upper rail 5 in the standing state Q of the tongue piece portion 25, slipping occurs. Can be made easier. Further, the main bodies 28a, 30a of the belt portions 28, 30 and the bendable portions 27, 29 are formed of a soft resin of the same material and have the property of being easily bent from the lower walls 28b, 30b. The main bodies 28a and 30a and the bendable portions 27 and 29 can be easily deformed following the upper rail 5. Furthermore, since each bendable part 27, 29 is provided with a thin constricted portion so that it can be bent more easily than each main body 28a, 30a, each bendable part 27, 29 is easier to bend than each band part 28, 30. can do.
　カバー２３の各舌片部２５において、折曲可能部２７、基端側の帯部２８、折曲可能部２９、及び、先端部側の帯部３０を軟質樹脂により一体に成形してもよい。 In each tongue piece portion 25 of the cover 23, the bendable portion 27, the base end side band portion 28, the bendable portion 29, and the distal end portion side band portion 30 may be integrally formed with a soft resin. .
　前記実施形態では、カバー２３の各舌片部２５において、基端側の帯部２８と先端側の帯部３０とを折曲可能部２７，２９を介して幅方向Ｙに沿って互いに連結しているが、基端側の帯部２８と先端側の帯部３０との間で、複数の帯部を折曲可能部を介して幅方向Ｙに沿って互いに連結してもよい。 In the embodiment, in each tongue piece portion 25 of the cover 23, the belt portion 28 on the proximal end side and the belt portion 30 on the distal end side are connected to each other along the width direction Y via the bendable portions 27 and 29. However, a plurality of belt portions may be connected to each other along the width direction Y via the bendable portion between the belt portion 28 on the proximal end side and the belt portion 30 on the distal end side.
　１…シートスライド装置、３…フロア、４…ロアレール、６…シート、５…アッパレール、１５…アッパレールの移動台、１６…アッパレールの取付部、１３ａ…ロアレールの開口、２３…ロアレールのカバー、２４…カバーの固定部、２５…カバーの舌片部、２７…舌片部の折曲可能部、２８…舌片部の帯部、２８ａ…本体、２８ｂ…下壁、２９…舌片部の折曲可能部、３０…舌片部の帯部、３０ａ…本体、３０ｂ…下壁、３１…帯部の載置部、Ｐ…カバーの倒伏状態、Ｑ…カバーの起立状態、Ｘ…アッパレールの移動方向（前後方向）、Ｙ…幅方向（左右方向）。 DESCRIPTION OF SYMBOLS 1 ... Seat slide apparatus, 3 ... Floor, 4 ... Lower rail, 6 ... Seat, 5 ... Upper rail, 15 ... Upper rail moving stand, 16 ... Upper rail attachment part, 13a ... Lower rail opening, 23 ... Lower rail cover, 24 ... Cover fixing part, 25 ... tongue piece part of cover, 27 ... folding part of tongue piece part, 28 ... band part of tongue piece part, 28a ... main body, 28b ... lower wall, 29 ... bending of tongue piece part Possible part, 30 ... Band part of tongue piece part, 30a ... Main body, 30b ... Lower wall, 31 ... Placement part of belt part, P ... Cover fall state, Q ... Standing state of cover, X ... Direction of movement of upper rail (Front-rear direction), Y: width direction (left-right direction).

Claims (6)

  1. 　フロアに固定されるロアレールと、
    　シートに固定されて前記ロアレールに移動可能に支持されるアッパレールとを備え、
    　前記アッパレールは、前記ロアレール内に挿入されてアッパレールの移動方向に沿って移動し得る移動台と、その移動台から上方へ延設されて移動台とともに移動し得る取付部とを有し、
    　前記ロアレールは、前記アッパレールの取付部が上方へ突出する開口と、アッパレールの移動方向に対して交叉する幅方向の両側において前記開口を閉塞し得る一対のカバーとを有し、
    　前記一対のカバーは、前記ロアレールにそれぞれ取着された一対の固定部と、各固定部から幅方向に延設され、前記開口の上方において互いに分離された一対の舌片部とを有し、かつ、前記アッパレールの取付部が移動する際に各舌片部が幅方向に沿って互いに対向して前記開口を閉塞する倒伏状態と、各舌片部が前記アッパーレールの取付部を挟んで起き上がる起立状態とに切り替え可能であり、
    　各舌片部は、上方への折曲を可能にする折曲可能部を介して幅方向に沿って互いに連結された複数の帯部を有し、各舌片部において各固定部に隣接する基端側の帯部は各固定部に折曲可能部を介して連結されている
    ことを特徴とするシートスライド装置。     A lower rail fixed to the floor,
    An upper rail fixed to the seat and supported movably on the lower rail,
    The upper rail has a moving base that is inserted into the lower rail and can move along the moving direction of the upper rail, and an attachment portion that extends upward from the moving base and can move with the moving base.
    The lower rail has an opening from which the mounting portion of the upper rail protrudes upward, and a pair of covers that can close the opening on both sides in the width direction intersecting the moving direction of the upper rail,
    The pair of covers includes a pair of fixing portions respectively attached to the lower rail, and a pair of tongue pieces extending from the fixing portions in the width direction and separated from each other above the opening, In addition, when the upper rail mounting portion moves, the tongue pieces face each other along the width direction so as to close the opening, and the tongue pieces rise up across the upper rail mounting portion. Can be switched to a standing state,
    Each tongue piece has a plurality of bands connected to each other along the width direction via a bendable portion that enables bending upward, and is adjacent to each fixing portion in each tongue piece. The seat slide device, wherein the base end side belt portion is connected to each fixing portion via a bendable portion.
  2. 　前記各舌片部の折曲可能部は、各舌片部の帯部より折れ曲がり易いように薄肉状に形成されていることを特徴とする請求項１に記載のシートスライド装置。 2. The seat slide device according to claim 1, wherein the bendable portion of each tongue piece portion is formed in a thin shape so as to bend more easily than a belt portion of each tongue piece portion.
  3. 　前記各舌片部の折曲可能部は、各舌片部の帯部とは異なる材質の材料により成形され、各舌片部の帯部より折れ曲がり易い性質を有していることを特徴とする請求項１または請求項２に記載のシートスライド装置。 The bendable portion of each tongue piece portion is formed of a material different from the band portion of each tongue piece portion, and has a property of being easily bent from the band portion of each tongue piece portion. The seat slide device according to claim 1 or 2.
  4. 　前記各舌片部において、先端側の帯部に隣接する折曲可能部は、先端側の帯部と同じ材質の材料により成形され、先端側の帯部より折れ曲がり易いように薄肉状に形成されていることを特徴とする請求項１に記載のシートスライド装置。 In each of the tongue pieces, the bendable part adjacent to the band part on the front end side is formed of the same material as that of the band part on the front end side, and is formed in a thin shape so as to bend more easily than the band part on the front end side. The seat slide device according to claim 1, wherein the seat slide device is provided.
  5. 　前記各舌片部において、各帯部は前記開口に対向する本体と、その本体の下側に設けた下壁とを有し、各帯部の本体と各折曲可能部とは同じ材質の材料により成形されて各帯部の下壁より折れ曲がり易い性質を有し、各折曲可能部は各帯部の本体より折れ曲がり易いように薄肉状に形成されていることを特徴とする請求項１に記載のシートスライド装置。 In each of the tongue pieces, each band has a main body facing the opening and a lower wall provided on the lower side of the main body, and the main body of each band and each bendable part are made of the same material. 2. The material according to claim 1, wherein the folding portion is formed of a material and has a property of being easily bent from a lower wall of each band portion, and each bendable portion is formed in a thin shape so as to be easily bent from a main body of each band portion. The seat slide device described in 1.
  6. 　前記各舌片部の帯部は、各舌片部の倒伏状態において前記ロアレールに支持される載置部を有していることを特徴とする請求項１～５のうちいずれか一つの請求項に記載のシートスライド装置。 The belt portion of each tongue piece portion has a mounting portion supported by the lower rail in a lying state of each tongue piece portion. The seat slide device described in 1.
PCT/JP2012/083470 2012-12-25 2012-12-25 Seat slide device WO2014102900A1 (en)

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CN201280045290.0A CN104185569B (en) 2012-12-25 2012-12-25 Seat sliding apparatus
JP2014506642A JP5671187B2 (en) 2012-12-25 2012-12-25 Seat slide device

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