JP2017171205A - Bracket for mounting steering column on vehicle body, and method for manufacturing the same - Google Patents

Bracket for mounting steering column on vehicle body, and method for manufacturing the same Download PDF

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Publication number
JP2017171205A
JP2017171205A JP2016061447A JP2016061447A JP2017171205A JP 2017171205 A JP2017171205 A JP 2017171205A JP 2016061447 A JP2016061447 A JP 2016061447A JP 2016061447 A JP2016061447 A JP 2016061447A JP 2017171205 A JP2017171205 A JP 2017171205A
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Prior art keywords
vehicle
top plate
vehicle body
front side
plate portion
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JP2016061447A
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JP6761653B2 (en
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貴雄 仲秋
Takao Nakaaki
貴雄 仲秋
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JTEKT Column Systems Corp
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Fuji Kiko Co Ltd
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Priority to JP2016061447A priority Critical patent/JP6761653B2/en
Priority to FR1752445A priority patent/FR3049256A1/en
Priority to CN201710184266.XA priority patent/CN107226125A/en
Publication of JP2017171205A publication Critical patent/JP2017171205A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16—Steering columns
    • B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
    • B62D1/187—Steering columns yieldable or adjustable, e.g. tiltable with tilt adjustment; with tilt and axial adjustment
    • B62D1/189—Steering columns yieldable or adjustable, e.g. tiltable with tilt adjustment; with tilt and axial adjustment the entire column being tiltable as a unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/36—Making other particular articles clips, clamps, or like fastening or attaching devices, e.g. for electric installation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/16—Steering columns

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Steering Controls (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

PROBLEM TO BE SOLVED: To simplify the manufacturing process of bending a single sheet of metal to form a bracket for mounting a steering column on a vehicle body.SOLUTION: A bracket 10 for mounting a steering column on a vehicle body comprises: a top plate portion 11 disposed along a longitudinal direction of a vehicle; fixing portions 12 each of which extends outward in a lateral direction of the vehicle, from a portion at the front of the top plate portion 11 in the longitudinal direction of the vehicle, and which are to be fixed to the vehicle body; depending portions 13 each of which depends downward from a portion at the rear of the top plate portion 11 in the longitudinal direction of the vehicle, and which are to be connected to the steering column; and flange portions 14 each of which extends between an edge at the rear of the fixing portion 12 in the longitudinal direction of the vehicle, and an edge at the front of the depending portion 13 in the longitudinal direction of the vehicle. The top plate portion 11, the fixing portions 12, the depending portions 13, and the flange portions 14 are made up of a single sheet of metal 1. At both lateral sides of the sheet of metal 1 forming the bracket 10 for mounting a steering column on a vehicle body, there is formed a pair of apexes 20 at each of which the top plate portion 11, the fixing portion 12, the depending portion 13, and the flange portion 14 cross one another. Additionally, there are formed four or more bend lines extending radially from each apex 20.SELECTED DRAWING: Figure 1

Description

本発明は、ステアリングコラムの車体取付ブラケット及びその製造方法に関する。   The present invention relates to a vehicle body mounting bracket for a steering column and a method for manufacturing the same.

ステアリングコラム装置は、車体に固定される車体取付ブラケットと、この車体取付ブラケットの天板部から下方に垂下する一対の垂下部の間に配置されたコラムジャケットと、このコラムジャケットの一端に係合されるステアリングホイールと、を備え、コラムジャケットが車体取付ブラケットに対してチルト方向に揺動可能でかつテレスコ方向に移動可能に支持される構造となっている。   The steering column device is engaged with a vehicle body mounting bracket fixed to the vehicle body, a column jacket disposed between a pair of hanging portions that hang downward from the top plate portion of the vehicle body mounting bracket, and one end of the column jacket. The column jacket is supported so as to be swingable in the tilt direction and movable in the telescopic direction with respect to the vehicle body mounting bracket.

特許文献１には、一枚の金属板を折り曲げて、車体に固定される支持ブラケットを形成する技術が記載されている。このような支持ブラケットが車体に固定されるとともに、支持ブラケットの下部にコラム支持ブラケットが、二次衝突時に加わる衝撃荷重により前方への離脱を可能に支持される。   Patent Document 1 describes a technique for forming a support bracket fixed to a vehicle body by bending a single metal plate. Such a support bracket is fixed to the vehicle body, and the column support bracket is supported at the lower portion of the support bracket so as to be disengaged forward by an impact load applied during a secondary collision.

特開２０１３−６０１８５号公報JP 2013-60185 A

特許文献１に記載の支持ブラケットでは、一枚の金属板を多方向に折り曲げて形成するため、製造工程が複雑になるという問題がある。すなわち、特許文献１に記載の支持ブラケットでは、左右方向のプレス加工と上下方向のプレス加工とを分けて行う必要がある。   In the support bracket described in Patent Document 1, since a single metal plate is formed by being bent in multiple directions, there is a problem that the manufacturing process becomes complicated. That is, in the support bracket described in Patent Document 1, it is necessary to separately perform the pressing process in the horizontal direction and the pressing process in the vertical direction.

そこで、本発明は、一枚の金属板を折り曲げて車体取付ブラケットを形成するに際して、製造工程の簡素化を図ることを目的とする。   Accordingly, an object of the present invention is to simplify the manufacturing process when a vehicle body mounting bracket is formed by bending a single metal plate.

本発明に係るステアリングコラムの車体取付ブラケットは、車両前後方向に沿って配置される天板部と、前記天板部の車両前方側部分から車幅方向外側に延在し、車体に固定される固定部と、前記天板部の車両後方側部分から下方に垂下し、ステアリングコラムに連結される垂下部と、前記固定部の車両後方側縁部と前記垂下部の車両前方側縁部との間に延在するフランジ部と、を備える。前記天板部、前記固定部、前記垂下部、及び前記フランジ部は、一枚の金属板から構成されている。そして、前記金属板に、前記天板部と前記固定部と前記垂下部と前記フランジ部とが交わる頂点部が車幅方向両側に一対に形成されているとともに、各頂点部から放射状に延びる四本以上の曲げ線が形成されている。   A vehicle body mounting bracket for a steering column according to the present invention extends from a vehicle front side portion of the top plate portion along the vehicle front-rear direction to the vehicle width direction and is fixed to the vehicle body. A fixed portion; a hanging portion that hangs downward from a vehicle rear side portion of the top plate portion and is connected to a steering column; and a vehicle rear side edge portion of the fixing portion and a vehicle front side edge portion of the hanging portion. A flange portion extending therebetween. The top plate portion, the fixing portion, the hanging portion, and the flange portion are formed of a single metal plate. The metal plate is formed with a pair of apex portions where the top plate portion, the fixing portion, the hanging portion and the flange portion intersect on both sides in the vehicle width direction, and extends radially from each apex portion. More than one bend line is formed.

本発明に係るステアリングコラムの車体取付ブラケットによれば、一枚の金属板を折り曲げて車体取付ブラケットを形成するに際して、製造工程の簡素化を図ることが可能である。   According to the vehicle body mounting bracket for a steering column according to the present invention, it is possible to simplify the manufacturing process when forming a vehicle body mounting bracket by bending a single metal plate.

本発明の実施形態に係る車体取付ブラケットの斜視図である。1 is a perspective view of a vehicle body mounting bracket according to an embodiment of the present invention. （ａ）は車体取付ブラケットの平面図であり、（ｂ）は車体取付ブラケットの正面図であり、（ｃ）は車体取付ブラケットの側面図である。(A) is a top view of a vehicle body mounting bracket, (b) is a front view of a vehicle body mounting bracket, (c) is a side view of a vehicle body mounting bracket. 車体取付ブラケットの展開形状を示す図である。It is a figure which shows the expansion | deployment shape of a vehicle body mounting bracket.

以下、本発明の実施形態を図面とともに詳述する。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

なお、図１中、矢印ＦＲは車両前方側を示し、矢印ＲＲは車両後方側を示す。   In FIG. 1, the arrow FR indicates the vehicle front side, and the arrow RR indicates the vehicle rear side.

図１及び図２に示すように、本実施形態に係る車体取付ブラケット１０は、一枚の金属板１（図３参照）を折り曲げて構成したものであり、天板部１１と、固定部１２と、垂下部１３と、補剛のためのフランジ部１４とを備える。   As shown in FIGS. 1 and 2, the vehicle body mounting bracket 10 according to the present embodiment is configured by bending a single metal plate 1 (see FIG. 3), and includes a top plate portion 11 and a fixing portion 12. And a hanging part 13 and a flange part 14 for stiffening.

天板部１１は、車両前後方向に沿って配置される。天板部１１は、車両前方側に配置される車両前方側部分１１ａと、車両後方側に配置される車両後方側部分１１ｂとを有する。天板部１１の車両前方側部分１１ａと車両後方側部分１１ｂとの間に、後述する第五曲げ線２５が形成されており、車両前方側部分１１ａと車両後方側部分１１ｂとは互いに対して傾斜している。すなわち、車両前方側部分１１ａは、第五曲げ線２５よりも車両前方側の天板部１１の部位であり、車両後方側部分１１ｂは、第五曲げ線２５よりも車両後方側の天板部１１の部位である。   The top plate portion 11 is disposed along the vehicle front-rear direction. The top plate portion 11 includes a vehicle front side portion 11a arranged on the vehicle front side and a vehicle rear side portion 11b arranged on the vehicle rear side. A fifth bending line 25 to be described later is formed between the vehicle front side portion 11a and the vehicle rear side portion 11b of the top plate portion 11, and the vehicle front side portion 11a and the vehicle rear side portion 11b are opposed to each other. Inclined. That is, the vehicle front side portion 11 a is a portion of the top plate portion 11 on the vehicle front side with respect to the fifth bending line 25, and the vehicle rear side portion 11 b is the top plate portion on the vehicle rear side with respect to the fifth bending line 25. 11 sites.

固定部１２は、天板部１１の車両前方側部分１１ａから車幅方向外側に延在し、車体に固定される。固定部１２は、天板部１１の車両前方側部分１１ａを間に挟み、車幅方向に一対に配置されている。各固定部１２の先端側部分１２ａには、車体への固定用のボルトが挿通されるボルト挿通孔１５が開口している。固定部１２の先端側部分１２ａと基端側部分１２ｂとの間に折り曲げ線（第一折り曲げ線）１６が形成されており、先端側部分１２ａと基端側部分１２ｂとは互いに対して傾斜している。すなわち、先端側部分１２ａは、第一折り曲げ線１６よりも車幅方向外側の固定部１２の部位であり、基端側部分１２ｂは、第一折り曲げ線１６よりも車幅方向内側の固定部１２の部位である。   The fixing portion 12 extends outward from the vehicle front side portion 11a of the top plate portion 11 in the vehicle width direction, and is fixed to the vehicle body. The fixed portions 12 are disposed in a pair in the vehicle width direction with the vehicle front side portion 11a of the top plate portion 11 interposed therebetween. A bolt insertion hole 15 through which a bolt for fixing to the vehicle body is inserted is opened in the distal end side portion 12a of each fixing portion 12. A fold line (first fold line) 16 is formed between the distal end portion 12a and the proximal end portion 12b of the fixed portion 12, and the distal end portion 12a and the proximal end portion 12b are inclined with respect to each other. ing. That is, the distal end side portion 12 a is a portion of the fixing portion 12 outside the first fold line 16 in the vehicle width direction, and the proximal end portion 12 b is fixed in the vehicle width direction inner side than the first fold line 16. It is a part of.

垂下部１３は、天板部１１の車両後方側部分１１ｂから下方に垂下し、ステアリングコラムに連結される。垂下部１３は、天板部１１の車両後方側部分１１ｂを間に挟み、車幅方向に一対に配置されている。各垂下部１３の先端側部分１３ａには、車両上下方向に沿ったチルト位置調整範囲を規定するチルト長孔１７が開口している。垂下部１３の先端側部分１３ａと基端側部分１３ｂとの間に、車幅方向内側への絞り部１８が形成されており、チルト長孔１７が設けられた先端側部分１３ａが基端側部分１３ｂに対して車幅方向内側へずらして配置されている。すなわち、先端側部分１３ａは、絞り部１８よりも先端側の垂下部１３の部位であり、基端側部分１３ｂは、絞り部１８よりも基端側の垂下部１３の部位である。   The hanging portion 13 hangs downward from the vehicle rear side portion 11b of the top plate portion 11 and is connected to the steering column. The hanging parts 13 are disposed in a pair in the vehicle width direction with the vehicle rear side part 11b of the top plate part 11 interposed therebetween. A tilt elongated hole 17 that defines a tilt position adjustment range along the vehicle vertical direction is opened at the tip end portion 13a of each hanging portion 13. A narrowing portion 18 inward in the vehicle width direction is formed between the distal end side portion 13a and the proximal end side portion 13b of the drooping portion 13, and the distal end side portion 13a provided with the tilt long hole 17 is the proximal end side. It is arranged so as to be shifted inward in the vehicle width direction with respect to the portion 13b. That is, the distal end portion 13 a is a portion of the drooping portion 13 on the distal end side with respect to the throttle portion 18, and the proximal end portion 13 b is a portion of the drooping portion 13 on the proximal end side with respect to the restricting portion 18.

フランジ部１４は、固定部１２の車両後方側縁部と垂下部１３の車両前方側縁部との間に延在する部分である。フランジ部１４は、天板部１１を間に挟み、車幅方向に一対に配置されている。本実施形態では、固定部１２の先端側部分１２ａと連続するフランジ部１４の先端側部分１４ａは矩形状に形成され、固定部１２の基端側部分１２ｂと連続するフランジ部１４の基端側部分１４ｂは三角形状に形成されている。フランジ部１４の先端側部分１４ａと基端側部分１４ｂとの間に折り曲げ線（第二折り曲げ線）１９が形成されており、先端側部分１４ａと基端側部分１４ｂとは互いに対して傾斜している。すなわち、先端側部分１４ａは、第二折り曲げ線１９よりも車幅方向外側のフランジ部１４の部位であり、基端側部分１４ｂは、第二折り曲げ線１９よりも車幅方向内側のフランジ部１４の部位である。このようなフランジ部１４が補剛の効果を持つので、車体取付ブラケット１０の剛性向上が可能となる。   The flange portion 14 is a portion extending between the vehicle rear side edge portion of the fixed portion 12 and the vehicle front side edge portion of the hanging portion 13. The flange portion 14 is disposed in a pair in the vehicle width direction with the top plate portion 11 interposed therebetween. In the present embodiment, the distal end side portion 14 a of the flange portion 14 that is continuous with the distal end side portion 12 a of the fixing portion 12 is formed in a rectangular shape, and the proximal end side of the flange portion 14 that is continuous with the proximal end side portion 12 b of the fixing portion 12. The portion 14b is formed in a triangular shape. A fold line (second fold line) 19 is formed between the distal end side portion 14a and the proximal end side portion 14b of the flange portion 14, and the distal end side portion 14a and the proximal end side portion 14b are inclined with respect to each other. ing. That is, the distal end portion 14 a is a portion of the flange portion 14 on the outer side in the vehicle width direction than the second fold line 19, and the proximal end portion 14 b is on the flange portion 14 on the inner side in the vehicle width direction with respect to the second fold line 19. It is a part of. Since such a flange portion 14 has a stiffening effect, the rigidity of the vehicle body mounting bracket 10 can be improved.

これら天板部１１、固定部１２、垂下部１３、及びフランジ部１４は、一枚の金属板１を折り曲げて形成されている。車体取付ブラケット１０を構成する金属板１には、天板部１１と固定部１２と垂下部１３とフランジ部１４とが交わる頂点部２０が車幅方向両側に一対に形成されているとともに、各頂点部２０から放射状に延びる四本以上の曲げ線が形成されている。   The top plate portion 11, the fixing portion 12, the hanging portion 13, and the flange portion 14 are formed by bending a single metal plate 1. The metal plate 1 constituting the vehicle body mounting bracket 10 has a pair of apex portions 20 where the top plate portion 11, the fixing portion 12, the hanging portion 13, and the flange portion 14 intersect with each other on both sides in the vehicle width direction. Four or more bending lines extending radially from the apex portion 20 are formed.

本実施形態では、前述の曲げ線は、頂点部２０から天板部１１と固定部１２との間を車両前方側に向かって延びる第一曲げ線２１と、頂点部２０から天板部１１と垂下部１３との間を車両後方側に向かって延びる第二曲げ線２２と、頂点部２０から固定部１２とフランジ部１４との間を車幅方向外側に向かって延びる第三曲げ線２３と、頂点部２０から垂下部１３とフランジ部１４との間を下方に向かって延びる第四曲げ線２４と、を有する。   In the present embodiment, the bend line described above includes the first bend line 21 extending from the apex portion 20 between the top plate portion 11 and the fixed portion 12 toward the vehicle front side, and the apex portion 20 to the top plate portion 11. A second bend line 22 extending toward the vehicle rear side between the hanging portion 13 and a third bend line 23 extending from the apex portion 20 between the fixed portion 12 and the flange portion 14 toward the vehicle width direction outer side; The fourth bend line 24 extends downward from the apex portion 20 between the hanging portion 13 and the flange portion 14.

さらに、前述の曲げ線は、一対の頂点部２０の間に形成される第五曲げ線２５を有する。この第五曲げ線２５が天板部１１を車幅方向に対して曲げにくくするビードの効果を持つので、車体取付ブラケット１０の剛性向上が可能となる。   Further, the above-described bending line has a fifth bending line 25 formed between the pair of vertex portions 20. Since the fifth bend line 25 has a bead effect that makes it difficult to bend the top plate portion 11 in the vehicle width direction, the rigidity of the vehicle body mounting bracket 10 can be improved.

次に、本実施形態に係る車体取付ブラケット１０の製造工程の一例を説明する。   Next, an example of a manufacturing process of the vehicle body mounting bracket 10 according to the present embodiment will be described.

まず、金属製の板材に、例えばプレスによる打ち抜き加工をすることにより、図３に示すような金属板１を成形する。この金属板１には、天板部１１となる部位２と、固定部１２となる部位３と、ボルト挿通孔１５と、垂下部１３となる部位４と、チルト長孔１７と、フランジ部１４となる部位５と、が形成される。図３に示す金属板１を成形するための加工は、プレスによる打ち抜き加工に限定されず、他の加工方法を適宜用いることが可能である。   First, a metal plate 1 as shown in FIG. 3 is formed on a metal plate material, for example, by punching with a press. The metal plate 1 includes a portion 2 to be a top plate portion 11, a portion 3 to be a fixing portion 12, a bolt insertion hole 15, a portion 4 to be a hanging portion 13, a tilt long hole 17, and a flange portion 14. And a portion 5 to be formed. The processing for forming the metal plate 1 shown in FIG. 3 is not limited to punching with a press, and other processing methods can be used as appropriate.

次に、図３に示す金属板１に、例えばプレスによる折り曲げ加工をすることにより、天板部１１、固定部１２、垂下部１３、及びフランジ部１４を形成する。図３中、一点鎖線Ｌａ１〜Ｌａ４は折り曲げ加工における山折り線を示し、破線Ｌｂ１及びＬｂ２は折り曲げ加工における谷折り線を示す。   Next, the top plate portion 11, the fixing portion 12, the hanging portion 13, and the flange portion 14 are formed on the metal plate 1 shown in FIG. In FIG. 3, alternate long and short dash lines La1 to La4 indicate mountain fold lines in the bending process, and broken lines Lb1 and Lb2 indicate valley fold lines in the bending process.

具体的には、天板部１１における車両前方側部分１１ａの車幅方向両側縁部を第一山折り線Ｌａ１に沿って山折りに折り曲げて固定部１２を形成し、天板部１１における車両後方側部分１１ｂの車幅方向両側縁部を第二山折り線Ｌａ２に沿って山折りに折り曲げて垂下部１３を形成し、固定部１２の車両後方側縁部を第三山折り線Ｌａ３に沿って山折りに折り曲げ、かつ、垂下部１３の車両前方側縁部を第一谷折り線Ｌｂ１に沿って谷折りに折り曲げてフランジ部１４を形成する。また、天板部１１を車両前方側部分１１ａと車両後方側部分１１ｂとの間で第四山折り線Ｌａ４に沿って山折りに折り曲げることにより、天板部１１の車両前方側部分１１ａと車両後方側部分１１ｂとを互いに対して傾斜させる。また、固定部１２及びフランジ部１４を第二谷折り線Ｌｂ２に沿って谷折りに折り曲げることにより、固定部１２の先端側部分１２ａと基端側部分１２ｂとを互いに対して傾斜させるとともに、フランジ部１４の先端側部分１４ａと基端側部分１４ｂとを互いに対して傾斜させる。このような車体取付ブラケット１０の製造方法によれば、単一方向の加工（上下方向のプレス加工）によって、天板部１１、固定部１２、垂下部１３、及びフランジ部１４を一枚の金属板１に形成することが可能である。折り曲げ加工を行う際には、天板部１１、固定部１２、垂下部１３、及びフランジ部１４を同時に成形する。   Specifically, the vehicle width direction both side edge portions of the vehicle front side portion 11a in the top plate portion 11 are bent into mountain folds along the first mountain fold line La1 to form the fixing portion 12, and the vehicle in the top plate portion 11 is formed. Both side edge portions in the vehicle width direction of the rear side portion 11b are folded into mountain folds along the second mountain fold line La2 to form a hanging portion 13, and the vehicle rear side edge portion of the fixed portion 12 is made to the third mountain fold line La3. A flange portion 14 is formed by folding the vehicle front side edge portion of the hanging portion 13 into a valley fold along the first valley fold line Lb1. Further, by folding the top plate portion 11 into a mountain fold along the fourth mountain fold line La4 between the vehicle front side portion 11a and the vehicle rear side portion 11b, the vehicle front side portion 11a of the top plate portion 11 and the vehicle The rear side portion 11b is inclined with respect to each other. Further, by bending the fixing portion 12 and the flange portion 14 into a valley fold along the second valley fold line Lb2, the distal end side portion 12a and the proximal end side portion 12b of the fixing portion 12 are inclined with respect to each other, and the flange The distal end side portion 14a and the proximal end side portion 14b of the portion 14 are inclined with respect to each other. According to such a manufacturing method of the vehicle body mounting bracket 10, the top plate portion 11, the fixing portion 12, the hanging portion 13, and the flange portion 14 are made of a single metal by processing in a single direction (pressing in the vertical direction). It can be formed on the plate 1. When performing the bending process, the top plate part 11, the fixing part 12, the hanging part 13, and the flange part 14 are simultaneously formed.

また、折り曲げ加工前の金属板１に、例えばプレスによる絞り加工をすることにより、チルト長孔１７が設けられた垂下部１３の先端側部分１３ａを基端側部分１３ｂに対して車幅方向内側へオフセットさせる。なお、図３中、二点鎖線Ｌｃは絞り加工が施される箇所を示す。このオフセットのための加工は、プレスによる絞り加工に限定されず、他の加工方法を適宜用いることが可能である。   Further, the metal plate 1 before bending is drawn, for example, by pressing, so that the distal end portion 13a of the drooping portion 13 provided with the tilt long hole 17 is located inward in the vehicle width direction with respect to the proximal end portion 13b. To offset. In FIG. 3, a two-dot chain line Lc indicates a portion where drawing is performed. The processing for this offset is not limited to drawing processing by a press, and other processing methods can be used as appropriate.

なお、折り曲げ加工の工程の後に絞り加工の工程を行うようにしてもよい。   The drawing process may be performed after the bending process.

以下に、本実施形態による作用効果を説明する。   Below, the effect by this embodiment is demonstrated.

（１）本実施形態に係るステアリングコラムの車体取付ブラケット１０は、車両前後方向に沿って配置される天板部１１と、天板部１１の車両前方側部分１１ａから車幅方向外側に延在し、車体に固定される固定部１２と、天板部１１の車両後方側部分１１ｂから下方に垂下し、ステアリングコラムに連結される垂下部１３と、固定部１２の車両後方側縁部と垂下部１３の車両前方側縁部との間に延在するフランジ部１４と、を備える。天板部１１、固定部１２、垂下部１３、及びフランジ部１４は、一枚の金属板１から構成されている。そして、金属板１に、天板部１１と固定部１２と垂下部１３とフランジ部１４とが交わる頂点部２０が車幅方向両側に一対に形成されているとともに、各頂点部２０から放射状に延びる四本以上の曲げ線が形成されている。   (1) The vehicle body mounting bracket 10 of the steering column according to the present embodiment extends to the vehicle width direction outer side from the top plate portion 11 disposed along the vehicle longitudinal direction and the vehicle front side portion 11a of the top plate portion 11. And a hanging portion 13 that hangs downward from the vehicle rear side portion 11b of the top plate portion 11 and is connected to the steering column, and a vehicle rear side edge portion of the fixing portion 12 and the hanging portion. A flange portion 14 extending between the front side edge portion of the portion 13 and the vehicle. The top plate portion 11, the fixing portion 12, the hanging portion 13, and the flange portion 14 are configured from a single metal plate 1. And the metal plate 1 is formed with a pair of apex portions 20 where the top plate portion 11, the fixing portion 12, the hanging portion 13 and the flange portion 14 intersect on both sides in the vehicle width direction, and radially from each apex portion 20. Four or more bending lines extending are formed.

車体取付ブラケット１０を一枚の金属板１から頂点部２０を基準（基点）として加工することが可能であるため、加工方法が簡素化されて加工性が向上する。また、溶接などの接合を行う必要がないため、車体取付ブラケット１０の加工性が向上するとともに、溶接による熱の影響を車体取付ブラケット１０が受けることもない。   Since it is possible to process the vehicle body mounting bracket 10 from a single metal plate 1 with the apex 20 as a reference (base point), the processing method is simplified and the workability is improved. In addition, since it is not necessary to perform welding or the like, the workability of the vehicle body mounting bracket 10 is improved and the vehicle body mounting bracket 10 is not affected by the heat caused by welding.

従って、本実施形態に係る車体取付ブラケット１０によれば、一枚の金属板１を折り曲げて車体取付ブラケット１０を形成するに際して、製造工程の簡素化を図ることが可能である。   Therefore, according to the vehicle body mounting bracket 10 according to the present embodiment, it is possible to simplify the manufacturing process when forming the vehicle body mounting bracket 10 by bending a single metal plate 1.

（２）前記曲げ線は、頂点部２０から天板部１１と固定部１２との間を車両前方側に向かって延びる第一曲げ線２１と、頂点部２０から天板部１１と垂下部１３との間を車両後方側に向かって延びる第二曲げ線２２と、頂点部２０から固定部１２とフランジ部１４との間を車幅方向外側に向かって延びる第三曲げ線２３と、頂点部２０から垂下部１３とフランジ部１４との間を下方に向かって延びる第四曲げ線２４と、を有する。   (2) The bending line includes a first bending line 21 extending from the apex portion 20 between the top plate portion 11 and the fixed portion 12 toward the vehicle front side, and the apex portion 20 to the top plate portion 11 and the hanging portion 13. A second bend line 22 extending toward the rear side of the vehicle, a third bend line 23 extending from the apex portion 20 to the outer side in the vehicle width direction between the fixed portion 12 and the flange portion 14, and an apex portion And a fourth bend line 24 extending downward from 20 to between the drooping portion 13 and the flange portion 14.

頂点部２０から延びる四本の曲げ線を形成することで、四本の曲げ線がビードの効果を持つので、車体取付ブラケット１０の剛性を向上させることが可能である。特に、第三曲げ線２３と第四曲げ線２４との間に区画形成されるフランジ部１４が補剛の効果を持つので、車体取付ブラケット１０の剛性向上が可能となる。   By forming four bend lines extending from the apex 20, the four bend lines have a bead effect, so that the rigidity of the vehicle body mounting bracket 10 can be improved. In particular, since the flange portion 14 formed between the third bend line 23 and the fourth bend line 24 has a stiffening effect, the rigidity of the vehicle body mounting bracket 10 can be improved.

（３）前記曲げ線は、一対の頂点部２０の間に形成される第五曲げ線２５をさらに有する。   (3) The bend line further includes a fifth bend line 25 formed between the pair of apex portions 20.

天板部１１の車両前方側部分１１ａと車両後方側部分１１ｂとの間に形成される第五曲げ線２５が、天板部１１を車幅方向に対して曲げにくくするビードの効果を持つので、車体取付ブラケット１０のさらなる剛性向上が可能となる。   Since the fifth bend line 25 formed between the vehicle front side portion 11a and the vehicle rear side portion 11b of the top plate portion 11 has a bead effect that makes it difficult to bend the top plate portion 11 in the vehicle width direction. Further, the rigidity of the vehicle body mounting bracket 10 can be further improved.

（４）本実施形態に係る車体取付ブラケット１０の製造方法は、天板部１１、固定部１２、垂下部１３、及びフランジ部１４を備える車体取付ブラケット１０を一枚の金属板１から折り曲げて製造する方法であって、天板部１１における車両前方側部分１１ａの車幅方向両側縁部を山折りに折り曲げて固定部１２を形成し、天板部１１における車両後方側部分１１ｂの車幅方向両側縁部を山折りに折り曲げて垂下部１３を形成し、固定部１２の車両後方側縁部を山折りに折り曲げ、かつ、垂下部１３の車両前方側縁部を谷折りに折り曲げてフランジ部１４を形成する。   (4) In the method of manufacturing the vehicle body mounting bracket 10 according to the present embodiment, the vehicle body mounting bracket 10 including the top plate portion 11, the fixing portion 12, the hanging portion 13, and the flange portion 14 is bent from a single metal plate 1. It is a manufacturing method, the vehicle width direction both side edge part of the vehicle front side part 11a in the top-plate part 11 is bend | folded in a mountain fold, the fixing | fixed part 12 is formed, and the vehicle width of the vehicle rear side part 11b in the top-plate part 11 Folding portions 13 are folded into mountain folds to form hanging portions 13, vehicle rear side edges of fixed portions 12 are folded into mountain folds, and vehicle front side edges of hanging portions 13 are folded into valley folds to form flanges. Part 14 is formed.

本実施形態に係る車体取付ブラケット１０の製造方法によれば、単一方向の加工（上下方向のプレス加工）によって、天板部１１、固定部１２、垂下部１３、及びフランジ部１４を一枚の金属板１に形成することが可能である。   According to the manufacturing method of the vehicle body mounting bracket 10 according to the present embodiment, the top plate portion 11, the fixing portion 12, the hanging portion 13, and the flange portion 14 are made one piece by processing in a single direction (pressing in the vertical direction). The metal plate 1 can be formed.

（５）本実施形態に係る車体取付ブラケット１０の製造方法では、天板部１１を車両前方側部分１１ａと車両後方側部分１１ｂとの間で山折りに折り曲げることにより、天板部１１の車両前方側部分１１ａと車両後方側部分１１ｂとを互いに対して傾斜させる。   (5) In the method for manufacturing the vehicle body mounting bracket 10 according to the present embodiment, the vehicle of the top plate portion 11 is formed by bending the top plate portion 11 into a mountain fold between the vehicle front side portion 11a and the vehicle rear side portion 11b. The front side portion 11a and the vehicle rear side portion 11b are inclined with respect to each other.

一対の頂点部２０から車両前後方向に車体取付ブラケット１０の上面を傾斜させて曲げ線をさらに形成することで、曲げ線の数を増やすことができ、この曲げ線がビードの効果を持つので、車体取付ブラケット１０の剛性をさらに向上させることが可能である。すなわち、天板部１１の車両前方側部分１１ａと車両後方側部分１１ｂとの間に形成される第五曲げ線２５が、天板部１１を車幅方向に対して曲げにくくするビードの効果を持つので、車体取付ブラケット１０のさらなる剛性向上が可能となる。   By further forming the bend lines by inclining the upper surface of the vehicle body mounting bracket 10 from the pair of apex portions 20 in the longitudinal direction of the vehicle, the number of bend lines can be increased. The rigidity of the vehicle body mounting bracket 10 can be further improved. That is, the fifth bend line 25 formed between the vehicle front side portion 11a and the vehicle rear side portion 11b of the top plate portion 11 has an effect of a bead that makes it difficult to bend the top plate portion 11 in the vehicle width direction. Therefore, the rigidity of the vehicle body mounting bracket 10 can be further improved.

ところで、本発明のステアリングコラムの車体取付ブラケット及びその製造方法は前述の実施形態に例をとって説明したが、この実施形態に限ることなく本発明の要旨を逸脱しない範囲で他の実施形態を各種採用することができる。   By the way, the vehicle body mounting bracket of the steering column and the manufacturing method thereof according to the present invention have been described by taking the above-described embodiment as an example. However, the present invention is not limited to this embodiment, and other embodiments can be used without departing from the spirit of the present invention. Various types can be adopted.

１ 金属板
１０ 車体取付ブラケット
１１ 天板部
１２ 固定部
１３ 垂下部
１４ フランジ部
２０ 頂点部
２１ 第一曲げ線
２２ 第二曲げ線
２３ 第三曲げ線
２４ 第四曲げ線
２５ 第五曲げ線 DESCRIPTION OF SYMBOLS 1 Metal plate 10 Car body mounting bracket 11 Top plate part 12 Fixing part 13 Hanging part 14 Flange part 20 Vertex part 21 First bending line 22 Second bending line 23 Third bending line 24 Fourth bending line 25 Fifth bending line

Claims (5)

車両前後方向に沿って配置される天板部と、
前記天板部の車両前方側部分から車幅方向外側に延在し、車体に固定される固定部と、
前記天板部の車両後方側部分から下方に垂下し、ステアリングコラムに連結される垂下部と、
前記固定部の車両後方側縁部と前記垂下部の車両前方側縁部との間に延在するフランジ部と、を備え、
前記天板部、前記固定部、前記垂下部、及び前記フランジ部は、一枚の金属板から構成されており、
前記金属板に、前記天板部と前記固定部と前記垂下部と前記フランジ部とが交わる頂点部が車幅方向両側に一対に形成されているとともに、各頂点部から放射状に延びる四本以上の曲げ線が形成されている
ことを特徴とするステアリングコラムの車体取付ブラケット。 A top plate portion arranged along the vehicle longitudinal direction;
A fixed portion that extends from the vehicle front side portion of the top plate portion to the outside in the vehicle width direction and is fixed to the vehicle body;
A hanging portion that hangs downward from a vehicle rear side portion of the top plate portion and is connected to a steering column;
A flange portion extending between a vehicle rear side edge portion of the fixed portion and a vehicle front side edge portion of the hanging portion,
The top plate portion, the fixed portion, the hanging portion, and the flange portion are composed of a single metal plate,
The metal plate is formed with a pair of apex portions where the top plate portion, the fixing portion, the hanging portion, and the flange portion intersect on both sides in the vehicle width direction, and four or more extending radially from each apex portion. A steering column car body mounting bracket characterized by a bend line. 前記曲げ線は、
前記頂点部から前記天板部と前記固定部との間を車両前方側に向かって延びる第一曲げ線と、
前記頂点部から前記天板部と前記垂下部との間を車両後方側に向かって延びる第二曲げ線と、
前記頂点部から前記固定部と前記フランジ部との間を車幅方向外側に向かって延びる第三曲げ線と、
前記頂点部から前記垂下部と前記フランジ部との間を下方に向かって延びる第四曲げ線と、を有する
ことを特徴とする請求項１に記載のステアリングコラムの車体取付ブラケット。 The bend line is
A first bend line extending from the apex portion toward the vehicle front side between the top plate portion and the fixed portion;
A second bending line extending from the apex portion toward the vehicle rear side between the top plate portion and the hanging portion;
A third bend line extending from the apex portion toward the outside in the vehicle width direction between the fixed portion and the flange portion;
The vehicle body mounting bracket for a steering column according to claim 1, further comprising a fourth bend line extending downward from the apex portion between the hanging portion and the flange portion. 前記曲げ線は、一対の前記頂点部の間に形成される第五曲げ線をさらに有する
ことを特徴とする請求項２に記載のステアリングコラムの車体取付ブラケット。 The vehicle body mounting bracket for a steering column according to claim 2, wherein the bend line further includes a fifth bend line formed between the pair of apexes. 車両前後方向に沿って配置される天板部と、前記天板部の車両前方側部分から車幅方向外側に延在し、車体に固定される固定部と、前記天板部の車両後方側部分から下方に垂下し、ステアリングコラムに連結される垂下部と、前記固定部の車両後方側縁部と前記垂下部の車両前方側縁部との間に延在するフランジ部と、を備える車体取付ブラケットを一枚の金属板から折り曲げて製造する方法であって、
前記天板部における車両前方側部分の車幅方向両側縁部を山折りに折り曲げて前記固定部を形成し、前記天板部における車両後方側部分の車幅方向両側縁部を山折りに折り曲げて前記垂下部を形成し、前記固定部の車両後方側縁部を山折りに折り曲げ、かつ、前記垂下部の車両前方側縁部を谷折りに折り曲げて前記フランジ部を形成する
ことを特徴とする車体取付ブラケットの製造方法。 A top plate portion disposed along the vehicle front-rear direction, a fixed portion that extends outward from the vehicle front side portion of the top plate portion in the vehicle width direction and is fixed to the vehicle body, and the vehicle rear side of the top plate portion A vehicle body comprising: a hanging part that hangs downward from the part and connected to a steering column; and a flange part that extends between a vehicle rear side edge part of the fixed part and a vehicle front side edge part of the hanging part. A method of manufacturing a mounting bracket by bending it from a single metal plate,
The both sides of the vehicle front side portion of the top plate portion in the vehicle width direction are folded into mountain folds to form the fixed portion, and the vehicle rear side portions of the top plate portion in the vehicle width direction are folded into mountain folds. Forming the flange portion by bending the vehicle rear side edge portion of the fixed portion into a mountain fold, and bending the vehicle front side edge portion of the suspension portion into a valley fold. A method for manufacturing a vehicle body mounting bracket. 前記天板部を車両前方側部分と車両後方側部分との間で山折りに折り曲げることにより、前記車両前方側部分と前記車両後方側部分とを互いに対して傾斜させる
ことを特徴とする請求項４に記載の車体取付ブラケットの製造方法。 The vehicle front side portion and the vehicle rear side portion are inclined with respect to each other by bending the top plate portion into a mountain fold between a vehicle front side portion and a vehicle rear side portion. 5. A method for manufacturing the vehicle body mounting bracket according to 4.
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