JP3051390B1 - Fixing bolt and fixing method - Google Patents
Fixing bolt and fixing methodInfo
- Publication number
- JP3051390B1 JP3051390B1 JP11012074A JP1207499A JP3051390B1 JP 3051390 B1 JP3051390 B1 JP 3051390B1 JP 11012074 A JP11012074 A JP 11012074A JP 1207499 A JP1207499 A JP 1207499A JP 3051390 B1 JP3051390 B1 JP 3051390B1
- Authority
- JP
- Japan
- Prior art keywords
- fixing bolt
- fixing
- head
- metal plate
- plate member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
【要約】
【課題】 金属板部材に対して固着ボルトを強固に固着
すると共に、当該固着ボルトの頭部が金属板部材の表面
から突出しないようにする。
【解決手段】 固着ボルト１の頭部２は、平坦な上面２
０と略円錐面状の座面２２とを有した皿頭形状をなすと
共に、その座面２２に複数の凸部２４が形成されてい
る。金属板部材８は、固着ボルト１の円筒部３の直径よ
りも大きく頭部２の最大直径より小さい直径を有する固
着孔９を有している。金属板部材８の固着孔９に固着ボ
ルト１を通した後、プレス加工によって、固着ボルト１
の頭部上面２０と金属板部材８の上面８０とが面一にな
るまで、固着ボルト１の頭部２０を金属板部材８に対し
て圧入する。これに伴って、金属板部材８の固着孔９周
辺を、固着ボルト１における頭部座面２２および円筒部
３の外周面に対して変形固着させる。A fixing bolt is firmly fixed to a metal plate member, and a head of the fixing bolt is prevented from protruding from a surface of the metal plate member. SOLUTION: The head 2 of the fixing bolt 1 has a flat upper surface 2.
It has a countersunk shape having 0 and a substantially conical seating surface 22, and a plurality of protrusions 24 are formed on the seating surface 22. The metal plate member 8 has a fixing hole 9 having a diameter larger than the diameter of the cylindrical portion 3 of the fixing bolt 1 and smaller than the maximum diameter of the head 2. After the fixing bolt 1 is passed through the fixing hole 9 of the metal plate member 8, the fixing bolt 1 is pressed.
The head 20 of the fixing bolt 1 is pressed into the metal plate member 8 until the upper surface 20 of the head and the upper surface 80 of the metal plate member 8 are flush with each other. Accordingly, the periphery of the fixing hole 9 of the metal plate member 8 is deformed and fixed to the head seat surface 22 of the fixing bolt 1 and the outer peripheral surface of the cylindrical portion 3.
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【発明の属する技術分野】本発明は、金属板部材に対し
て固着される固着ボルト、およびその固着方法に関す
る。The present invention relates to a fixing bolt fixed to a metal plate member and a fixing method thereof.
【０００２】[0002]
【従来の技術】従来、金属板部材を使用した構造の組立
てにおいて、当該金属板部材に予めボルトを固着し、こ
のボルト（固着ボルト）に取付部材を通してナットで締
め付ける組立方法が採用されている。2. Description of the Related Art Conventionally, in assembling a structure using a metal plate member, an assembling method has been adopted in which a bolt is fixed to the metal plate member in advance, and a fixing member is passed through the bolt (fixed bolt) with a nut.
【０００３】このような固着ボルトを金属板部材に対し
て固着するための固着方法としては一般に、ボルト座面
に複数の溶接用突起を設け、抵抗溶接によって金属板部
材に固着する方法が採られている。また、固着ボルトに
おいて、ねじ部と同軸の多角形突起を座面に形成すると
共に、そのような多角形突起に対応した固着孔を金属板
部材に形成し、両者をかしめる方法も採られている。As a fixing method for fixing such a fixing bolt to a metal plate member, generally, a method of providing a plurality of welding projections on a bolt seat surface and fixing the bolt to the metal plate member by resistance welding is adopted. ing. Further, in the fixing bolt, a method of forming a polygonal projection coaxial with the screw portion on the bearing surface, forming a fixing hole corresponding to such a polygonal projection on the metal plate member, and caulking the both is also adopted. I have.
【０００４】これらの方法を改良したものとしては、図
５及び図６に示すような固着ボルト及びその固着方法が
知られている（特開平６―１３７３１４号公報参照）。
図５に示す固着ボルト１０は、平頭形状の頭部１２と、
ねじ部１４と、これらの頭部１２とねじ部１４との間に
形成された円筒部１３とを備えている。また、頭部１２
の平坦な座面には、複数の凸部１６が形成されている。As an improvement of these methods, a fixing bolt and a fixing method thereof as shown in FIGS. 5 and 6 are known (see Japanese Patent Application Laid-Open No. Hei 6-137314).
The fixing bolt 10 shown in FIG.
A screw portion 14 and a cylindrical portion 13 formed between the head portion 12 and the screw portion 14 are provided. The head 12
A plurality of convex portions 16 are formed on the flat seating surface.
【０００５】この固着ボルト１０を、図５に示すように
金属板部材１７の固着孔１８に通した後、プレス加工に
よって金属板部材１７に対して固着する。この場合、プ
レス加工は、固着ボルト１０の頭部１２に当接するプレ
ス下型１９と、金属板部材１７の固着孔１８周縁部に対
応するプレス上型１１とを用いて行われる。このプレス
上型１１は、固着ボルト１０におけるねじ部１４の外径
より大きく円筒部１３の直径より小さい直径の中心孔を
有している。After the fixing bolt 10 is passed through the fixing hole 18 of the metal plate member 17 as shown in FIG. 5, it is fixed to the metal plate member 17 by press working. In this case, the press working is performed using a lower press die 19 that contacts the head 12 of the fixing bolt 10 and an upper press die 11 corresponding to the peripheral edge of the fixing hole 18 of the metal plate member 17. The upper press die 11 has a center hole having a diameter larger than the outer diameter of the screw portion 14 of the fixing bolt 10 and smaller than the diameter of the cylindrical portion 13.
【０００６】このようなプレス加工によって、図６に示
すように、主に固着ボルト１０の円筒部１３上部が鍔状
に変形して固着ボルト１０の抜け方向の固着強度を確保
すると共に、頭部座面の凸部１６が金属板部材１７に食
い込んで固着ボルト１０の回転方向の固着強度を確保し
ている。また、固着ボルト１０の抜け方向の固着強度を
更に向上させるために、固着ボルト１０の円筒部１３外
周に凹溝を形成したものも提案されている（特開平７―
２７９９３７号公報参照）。As shown in FIG. 6, the upper part of the cylindrical portion 13 of the fixing bolt 10 is mainly deformed into a flange shape by such press working to secure the fixing strength of the fixing bolt 10 in the pull-out direction. The convex portion 16 of the seating surface bites into the metal plate member 17 to secure the fixing strength of the fixing bolt 10 in the rotation direction. Further, in order to further improve the fixing strength of the fixing bolt 10 in the pull-out direction, a fixing bolt in which a concave groove is formed on the outer periphery of the cylindrical portion 13 has been proposed (Japanese Unexamined Patent Publication No. Hei 7-1995).
279937).
【０００７】[0007]
【発明が解決しようとする課題】上述したような従来の
固着ボルトおよびその固着方法には、以下のような問題
点がある。すなわち、従来の固着ボルトの頭部は、いず
れも平頭形状等の平坦な座面を有するものであり、金属
板部材への固着後も、固着ボルトの頭部が金属板部材の
表面から突出するようになっている。しかしながら、近
年の精密板加工等においては、固着ボルトの頭部が金属
板部材の表面から突出しないようにすることが求められ
ている。The conventional fixing bolt and the fixing method as described above have the following problems. That is, the heads of the conventional fixing bolts each have a flat seat surface such as a flat head shape, and even after fixing to the metal plate member, the head of the fixing bolt projects from the surface of the metal plate member. It has become. However, in recent precision plate processing and the like, it is required that the head of the fixing bolt does not protrude from the surface of the metal plate member.
【０００８】本発明は、このような点を考慮してなされ
たものであり、金属板部材に対して強固に固着すること
ができると共に、当該固着ボルトの頭部が金属板部材の
表面から突出しないようにすることのできるような、固
着ボルトおよびその固着方法を提供することを目的とす
る。The present invention has been made in view of the above points, and can be firmly fixed to a metal plate member, and the head of the fixing bolt projects from the surface of the metal plate member. It is an object of the present invention to provide a fixing bolt and a fixing method thereof which can prevent the fixing bolt from being fixed.
【０００９】[0009]
【課題を解決するための手段】第１の手段は、頭部と、
ねじ部と、これらの頭部とねじ部との間に形成された円
筒部とを備え、前記頭部は、平坦な上面と略円錐面状の
座面とを有した皿頭形状をなすと共に、その座面に複数
の凸部が形成されていることを特徴とする固着ボルトで
ある。The first means is a head,
A screw portion, and a cylindrical portion formed between the head portion and the screw portion, wherein the head portion has a countersunk shape having a flat upper surface and a substantially conical seat surface. A fixing bolt having a plurality of convex portions formed on a seat surface thereof.
【００１０】この第１の手段によれば、当該固着ボルト
の円筒部の直径よりも大きく頭部の最大直径より小さい
直径を有する固着孔を備えた金属板部材を用意し、この
金属板部材の固着孔に固着ボルトを通した後、プレス加
工によって、固着ボルトにおける頭部の上面と金属板部
材の上面とが面一になるまで固着ボルトの頭部を金属板
部材に対して圧入すると共に、固着ボルトにおける頭部
の座面および円筒部の外周面に対して、金属板部材の固
着孔周辺を変形固着させることができる。According to the first means, a metal plate member having a fixing hole having a diameter larger than the diameter of the cylindrical portion of the fixing bolt and smaller than the maximum diameter of the head is prepared. After the fixing bolt is passed through the fixing hole, the head of the fixing bolt is pressed into the metal plate member by press working until the upper surface of the head of the fixing bolt and the upper surface of the metal plate member are flush with each other, The periphery of the fixing hole of the metal plate member can be deformed and fixed to the seat surface of the head and the outer peripheral surface of the cylindrical portion of the fixing bolt.
【００１１】第２の手段は、第１の手段において、前記
円筒部の外周に、ローレット目状の凹凸面が形成されて
いるものである。According to a second aspect, in the first aspect, a knurled uneven surface is formed on an outer periphery of the cylindrical portion.
【００１２】この第２の手段によれば、第１の手段にお
いて、プレス加工によって、固着ボルトにおける円筒部
のローレット目状の凹凸面に対して、金属板部材の固着
孔周辺が変形固着することで、特に固着ボルトの抜け方
向の固着強度を更に高めることができる。According to the second means, in the first means, the periphery of the fixing hole of the metal plate member is deformed and fixed to the knurled surface of the cylindrical portion of the fixing bolt by press working. Thus, the fixing strength in the detaching direction of the fixing bolt can be further increased.
【００１３】第３の手段は、頭部と、ねじ部と、これら
の頭部とねじ部との間に形成された円筒部とを備え、前
記頭部は、平坦な上面と略円錐面状の座面とを有した皿
頭形状をなすと共に、その座面に複数の凸部が形成され
た固着ボルトと、この固着ボルトにおける円筒部の直径
よりも大きく頭部の最大直径より小さい直径を有する固
着孔を備えた金属板部材とを互いに固着するための固着
方法であって、前記金属板部材の固着孔に前記固着ボル
トを通した後、プレス加工によって、前記固着ボルトに
おける頭部の上面と前記金属板部材の上面とが面一にな
るまで前記固着ボルトの頭部を前記金属板部材に対して
圧入すると共に、前記金属板部材の固着孔周辺を、前記
固着ボルトにおける頭部の座面および円筒部の外周面に
対して変形固着させることを特徴とする固着ボルトの固
着方法である。A third means includes a head, a screw portion, and a cylindrical portion formed between the head and the screw portion, wherein the head has a flat upper surface and a substantially conical surface. And a fixing bolt having a plurality of convex portions formed on the seat surface, and a diameter larger than the diameter of the cylindrical portion of the fixing bolt and smaller than the maximum diameter of the head. A fixing method for fixing a metal plate member having a fixing hole to the fixing plate, wherein the fixing bolt is passed through the fixing hole of the metal plate member, and then the upper surface of the head of the fixing bolt is pressed. The head of the fixing bolt is press-fitted into the metal plate member until the upper surface of the metal plate member and the upper surface of the metal plate member are flush with each other. Deformation and fixation on the outer surface of the cylinder A method of fixing the fixing bolts, characterized in Rukoto.
【００１４】第４の手段は、第３の手段において、前記
プレス加工は、前記固着ボルトにおける頭部の上面に当
接するプレス上型と、前記金属板部材の固着孔周縁部に
当接するプレス下型とを用いて行われるものである。A fourth means is the third means, wherein the pressing is performed by pressing an upper die contacting an upper surface of a head of the fixing bolt and a lower press contacting a peripheral edge of a fixing hole of the metal plate member. This is performed using a mold.
【００１５】[0015]
【発明の実施の形態】次に、図面を参照して本発明の実
施の形態について説明する。図１乃至図４は本発明によ
る固着ボルトの実施の形態を示す図である。Next, an embodiment of the present invention will be described with reference to the drawings. 1 to 4 are views showing an embodiment of a fixing bolt according to the present invention.
【００１６】［第１の実施形態］まず、図１及び図２に
より本発明の第１の実施形態について説明する。本実施
形態の固着ボルト１は、図１に示すように、頭部２と、
ねじ部４と、これらの頭部２とねじ部４との間に形成さ
れた円筒部３とを備えている。この場合、円筒部３の直
径は、ねじ部４の外径よりも大きくなっている。また、
固着ボルト１の円筒部３とねじ部４との間に、テーパ部
５が形成されている。[First Embodiment] First, a first embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the fixing bolt 1 of the present embodiment includes a head 2 and
A screw portion 4 and a cylindrical portion 3 formed between the head portion 2 and the screw portion 4 are provided. In this case, the diameter of the cylindrical portion 3 is larger than the outer diameter of the screw portion 4. Also,
A tapered portion 5 is formed between the cylindrical portion 3 and the screw portion 4 of the fixing bolt 1.
【００１７】この固着ボルト１の頭部２は、平坦な上面
２０と略円錐面状の座面２２とを有した皿頭形状をなす
と共に、その座面２２に複数（ここでは８つ）の凸部２
４が形成されている。これらの凸部２４は、座面２２上
において周方向に等間隔で配置されている。The head 2 of the fixing bolt 1 has a disk head shape having a flat upper surface 20 and a substantially conical seating surface 22, and a plurality (eight in this case) of the seating surface 22 is provided on the seating surface 22. Convex part 2
4 are formed. These projections 24 are arranged on the seat surface 22 at equal intervals in the circumferential direction.
【００１８】次に、図２（ａ）に示すように、固着ボル
ト１が固着される金属板部材８は、固着ボルト１を通す
固着孔９を備えている。この固着孔９は、固着ボルト１
における円筒部３の直径よりも大きく頭部２の最大直径
より小さい直径を有している。なお、この金属板部材８
の材質としては、固着ボルト１の材質（例えば高炭素
鋼）よりも軟らかい材質（例えば軟鋼）が用いられる。Next, as shown in FIG. 2A, the metal plate member 8 to which the fixing bolt 1 is fixed has a fixing hole 9 through which the fixing bolt 1 passes. This fixing hole 9 is used for fixing bolt 1
Has a diameter larger than the diameter of the cylindrical portion 3 and smaller than the maximum diameter of the head 2. In addition, this metal plate member 8
A material (eg, mild steel) that is softer than the material of the fixing bolt 1 (eg, high-carbon steel) is used.
【００１９】これらの固着ボルト１と金属板部材８とを
互いに固着するための固着方法としては、固着ボルト１
を、図２( ａ) に示すように金属板部材８の固着孔９に
通した後、プレス加工によって金属板部材１７に対して
固着する方法が採られる。この場合、プレス加工は、上
記固着ボルト１における頭部２の上面２０に当接するプ
レス上型Ａと、上記金属板部材８の固着孔９周縁部に当
接するプレス下型Ｂとを用いて行われる。A fixing method for fixing the fixing bolt 1 and the metal plate member 8 to each other is as follows.
Is passed through the fixing holes 9 of the metal plate member 8 as shown in FIG. 2A, and then fixed to the metal plate member 17 by press working. In this case, the press working is performed using an upper press die A that contacts the upper surface 20 of the head 2 of the fixing bolt 1 and a lower press die B that contacts the peripheral edge of the fixing hole 9 of the metal plate member 8. Will be
【００２０】そして、プレス加工によって、図２（ｂ）
に示すように、固着ボルト１の頭部上面２０と金属板部
材８の上面８０とが面一になるまで、固着ボルト１の頭
部２０を（その座面２２の略円錐面形状を利用して）金
属板部材８に対して圧入する。これに伴って、金属板部
材８の上記固着孔９周辺を、固着ボルト１における頭部
２の座面２２および円筒部３の外周面に対して変形固着
させる。Then, by pressing, FIG.
As shown in FIG. 5, the head 20 of the fixing bolt 1 is moved (using the substantially conical shape of the seat surface 22) until the upper surface 20 of the fixing bolt 1 and the upper surface 80 of the metal plate member 8 are flush. T) Press-fit into the metal plate member 8. Accordingly, the periphery of the fixing hole 9 of the metal plate member 8 is deformed and fixed to the seating surface 22 of the head 2 and the outer peripheral surface of the cylindrical portion 3 of the fixing bolt 1.
【００２１】なお、上記プレス下型Ｂ上部には、固着ボ
ルト１の上記テーパ部５の円錐面と略平行な円錐面Ｂ１
が形成されているため、固着後の金属板部材８の下面８
２には、固着ボルト１のテーパ部５に繋がるようなテー
パ状突出部８４が形成される。On the upper part of the press lower die B, a conical surface B1 substantially parallel to the conical surface of the tapered portion 5 of the fixing bolt 1 is provided.
Is formed, the lower surface 8 of the metal plate member 8 after the fixing is formed.
2 is formed with a tapered projection 84 connected to the tapered portion 5 of the fixing bolt 1.
【００２２】次に、このような構成よりなる本実施形態
の作用効果について説明する。本実施形態によれば、ま
ず固着ボルト１における頭部２の座面２２および円筒部
３の外周面に対して、金属板部材８の固着孔９周辺を変
形固着させることで、金属板部材８に対して固着ボルト
１を強固に固着することができる。Next, the operation and effect of this embodiment having the above configuration will be described. According to the present embodiment, first, the periphery of the fixing hole 9 of the metal plate member 8 is deformed and fixed to the seating surface 22 of the head 2 and the outer peripheral surface of the cylindrical portion 3 of the fixing bolt 1, so that the metal plate member 8 is fixed. , The fixing bolt 1 can be firmly fixed.
【００２３】この場合、金属板部材８の固着孔９周辺に
（固着ボルト１の頭部座面２２に対応して）形成される
凹状の円錐面に対して、固着ボルト１における頭部座面
２２の複数の凸部２４が食い込むことで、特に固着ボル
ト１の回転方向の固着強度が向上する。In this case, with respect to the concave conical surface formed around the fixing hole 9 of the metal plate member 8 (corresponding to the head seating surface 22 of the fixing bolt 1), the head seating surface of the fixing bolt 1 When the plurality of convex portions 24 of the fixing member 22 bite, the fixing strength in the rotation direction of the fixing bolt 1 is particularly improved.
【００２４】また、この際、固着ボルト１における頭部
２の上面２０と金属板部材８の上面８０とが面一になる
まで、固着ボルト１の頭部２を金属板部材８に対して圧
入することにより、当該固着ボルト１の頭部２が金属板
部材８の表面から突出しないようにすることができる。At this time, the head 2 of the fixing bolt 1 is pressed into the metal plate member 8 until the upper surface 20 of the head 2 of the fixing bolt 1 is flush with the upper surface 80 of the metal plate member 8. By doing so, the head 2 of the fixing bolt 1 can be prevented from protruding from the surface of the metal plate member 8.
【００２５】［第２の実施形態］次に、図３により本発
明の第２の実施形態について説明する。本実施形態は、
図３に示すように、上記円筒部３の外周にローレット目
状の凹凸面６が形成された固着ボルト１’を用いる点で
上記第１の実施形態と異なり、その他の構成は図１及び
図２に示す上記第１の実施形態と同様である。[Second Embodiment] Next, a second embodiment of the present invention will be described with reference to FIG. In this embodiment,
As shown in FIG. 3, a fixing bolt 1 'having a knurled uneven surface 6 formed on the outer periphery of the cylindrical portion 3 is used, which is different from the first embodiment. This is the same as the first embodiment shown in FIG.
【００２６】本実施形態によれば、上記第１の実施形態
と同様の固着方法によって、図３（ｂ）に示すように、
固着ボルト１’における円筒部３のローレット目状の凹
凸面６に対して、金属板部材８の固着孔９周辺が変形固
着することで、特に固着ボルト１の抜け方向の固着強度
を更に高めることができる。According to this embodiment, the same fixing method as in the first embodiment is used, as shown in FIG.
The periphery of the fixing hole 9 of the metal plate member 8 is deformed and fixed to the knurled uneven surface 6 of the cylindrical portion 3 of the fixing bolt 1 ′, thereby further increasing the fixing strength, particularly in the direction in which the fixing bolt 1 comes off. Can be.
【００２７】なお、以上の図１乃至図３に示す実施の形
態において、円筒部３とねじ部４との間にテーパ部５が
設けられた固着ボルト１，１’を用いる場合について説
明したが、図４に示すように、上記テーパ部５を省略し
て、円筒部３からねじ部４へ直接繋がるような形状の固
着ボルト１”を用いてもよい。In the above-described embodiment shown in FIGS. 1 to 3, a case has been described in which the fixing bolts 1 and 1 'having the tapered portion 5 provided between the cylindrical portion 3 and the screw portion 4 are used. As shown in FIG. 4, the tapered portion 5 may be omitted, and a fixing bolt 1 ″ having a shape directly connected from the cylindrical portion 3 to the screw portion 4 may be used.
【００２８】[0028]
【発明の効果】以上説明したように本発明によれば、金
属板部材に対して固着ボルトを強固に固着することがで
きると共に、当該固着ボルトの頭部が金属板部材の表面
から突出しないようにすることができる。As described above, according to the present invention, the fixing bolt can be firmly fixed to the metal plate member, and the head of the fixing bolt does not protrude from the surface of the metal plate member. Can be
【図１】（ａ）は、本発明による固着ボルトの第１の実
施形態を示す側面図、（ｂ）は、同じく底面図。FIG. 1A is a side view showing a first embodiment of a fixing bolt according to the present invention, and FIG. 1B is a bottom view thereof.
【図２】図１に示す固着ボルトの固着方法を説明するた
めの図であって、（ａ）は固着前の状態を、（ｂ）は固
着後の状態を、それぞれ示す縦断面図。FIGS. 2A and 2B are views for explaining a method of fixing the fixing bolt shown in FIG. 1, wherein FIG. 2A is a longitudinal sectional view showing a state before fixing, and FIG.
【図３】本発明による固着ボルトの第２の実施形態を示
す図であって、（ａ）は側面図、（ｂ）は固着後の状態
を示す縦断面図。3A and 3B are diagrams showing a second embodiment of the fixing bolt according to the present invention, wherein FIG. 3A is a side view, and FIG. 3B is a longitudinal sectional view showing a state after fixing.
【図４】図１又は図３に示す固着ボルトの変形例を示す
要部側面図。FIG. 4 is a main part side view showing a modified example of the fixing bolt shown in FIG. 1 or FIG. 3;
【図５】従来の固着ボルトおよびその固着方法におけ
る、固着前の状態を示す縦断面図。FIG. 5 is a longitudinal sectional view showing a state before fixing in a conventional fixing bolt and a fixing method thereof.
【図６】図５に示す固着ボルトおよびその固着方法にお
ける、固着後の状態を示す縦断面図。FIG. 6 is a longitudinal sectional view showing a state after fixing in the fixing bolt and the fixing method shown in FIG. 5;
【符号の説明】 １ 固着ボルト ２ 頭部 ３ 円筒部 ４ ねじ部 ５ テーパ部 １’ 固着ボルト ６ 凹凸面 １” 固着ボルト ８ 金属板部材 ９ 固着孔 ２０ 上面 ２２ 座面 ２４ 凸部 Ａ プレス上型 Ｂ プレス下型DESCRIPTION OF SYMBOLS 1 Fixing bolt 2 Head 3 Cylindrical part 4 Screw part 5 Tapered part 1 'Fixing bolt 6 Uneven surface 1 "Fixing bolt 8 Metal plate member 9 Fixing hole 20 Top surface 22 Seat surface 24 Convex part A Press upper die B Press lower die
フロントページの続き (56)参考文献 特開 昭49−33052（ＪＰ，Ａ) 特開 昭49−128159（ＪＰ，Ａ) 特開 昭56−167912（ＪＰ，Ａ) 実開 平１−55317（ＪＰ，Ｕ) 実開 昭59−141213（ＪＰ，Ｕ) 特公 平６−100214（ＪＰ，Ｂ２) 特公 昭48−13894（ＪＰ，Ｂ１) 特表 昭62−501516（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) F16B 35/04 Continuation of front page (56) References JP-A-49-33052 (JP, A) JP-A-49-128159 (JP, A) JP-A-56-167912 (JP, A) JP-A-1-55317 (JP) , U) Shokai Sho 59-141213 (JP, U) JP-B 6-100214 (JP, B2) JP-B 48-13894 (JP, B1) JP-A 62-501516 (JP, A) (58) Field surveyed (Int.Cl. 7 , DB name) F16B 35/04
Claims (4)
との間に形成された円筒部とを備え、 前記頭部は、平坦な上面と略円錐面状の座面とを有した
皿頭形状をなすと共に、その座面に複数の凸部が形成さ
れていることを特徴とする固着ボルト。1. A head comprising: a head portion; a screw portion; and a cylindrical portion formed between the head portion and the screw portion, wherein the head portion has a flat upper surface and a substantially conical seating surface. A fixing bolt having a countersink shape having a plurality of convex portions formed on a seat surface thereof.
凸面が形成されていることを特徴とする請求項１記載の
固着ボルト。2. The fixing bolt according to claim 1, wherein a knurled uneven surface is formed on an outer periphery of the cylindrical portion.
との間に形成された円筒部とを備え、前記頭部は、平坦
な上面と略円錐面状の座面とを有した皿頭形状をなすと
共に、その座面に複数の凸部が形成された固着ボルト
と、 この固着ボルトにおける円筒部の直径よりも大きく頭部
の最大直径より小さい直径を有する固着孔を備えた金属
板部材とを互いに固着するための固着方法であって、 前記金属板部材の固着孔に前記固着ボルトを通した後、 プレス加工によって、前記固着ボルトにおける頭部の上
面と前記金属板部材の上面とが面一になるまで前記固着
ボルトの頭部を前記金属板部材に対して圧入すると共
に、前記金属板部材の固着孔周辺を、前記固着ボルトに
おける頭部の座面および円筒部の外周面に対して変形固
着させることを特徴とする固着ボルトの固着方法。3. A head, a screw part, and a cylindrical part formed between the head and the screw part, wherein the head has a flat upper surface and a substantially conical seating surface. A fixing bolt having a countersunk shape having a plurality of convex portions formed on its seat surface, and a fixing hole having a diameter larger than the diameter of the cylindrical portion of the fixing bolt and smaller than the maximum diameter of the head. A fixing method for fixing a metal plate member provided to the metal plate member, wherein after passing the fixing bolt through a fixing hole of the metal plate member, an upper surface of a head of the fixing bolt and the metal plate are formed by pressing. The head of the fixing bolt is pressed into the metal plate member until the upper surface of the member is flush with the metal plate member. Specially deformed and fixed to the outer peripheral surface of Method of fixing the fixing bolt to.
る頭部の上面に当接するプレス上型と、前記金属板部材
の固着孔周縁部に当接するプレス下型とを用いて行われ
ることを特徴とする請求項３記載の固着ボルトの固着方
法。4. The press working is performed using an upper press die that contacts the upper surface of the head of the fixing bolt and a lower press die that contacts the peripheral edge of the fixing hole of the metal plate member. The fixing method of a fixing bolt according to claim 3, wherein
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11012074A JP3051390B1 (en) | 1999-01-20 | 1999-01-20 | Fixing bolt and fixing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11012074A JP3051390B1 (en) | 1999-01-20 | 1999-01-20 | Fixing bolt and fixing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP3051390B1 true JP3051390B1 (en) | 2000-06-12 |
| JP2000205227A JP2000205227A (en) | 2000-07-25 |
Family
ID=11795452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11012074A Expired - Lifetime JP3051390B1 (en) | 1999-01-20 | 1999-01-20 | Fixing bolt and fixing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3051390B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102132691B1 (en) * | 2018-07-03 | 2020-07-10 | 가톨릭관동대학교산학협력단 | Female catheter insertion device |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4579442B2 (en) * | 2001-04-18 | 2010-11-10 | 旭化成建材株式会社 | Roof-integrated solar cell module |
| KR101520861B1 (en) * | 2015-03-23 | 2015-05-18 | (주)와이에스더블유 | Apparatus for magnet caulking of drain plug |
| JP6518494B2 (en) * | 2015-04-10 | 2019-05-22 | イワタボルト株式会社 | Fixing bolt and fixing method thereof |
| JP2017005059A (en) * | 2015-06-08 | 2017-01-05 | 株式会社ジャパンディスプレイ | Fixing structure and fixing method |
| JP6957225B2 (en) * | 2017-06-19 | 2021-11-02 | イワタボルト株式会社 | Sticking bolt |
| CN212344302U (en) * | 2017-09-27 | 2021-01-12 | 株式会社村田制作所 | Electronic device |
| JP7496852B2 (en) * | 2022-03-31 | 2024-06-07 | ニチアス株式会社 | Floor Panel Fixtures |
-
1999
- 1999-01-20 JP JP11012074A patent/JP3051390B1/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102132691B1 (en) * | 2018-07-03 | 2020-07-10 | 가톨릭관동대학교산학협력단 | Female catheter insertion device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000205227A (en) | 2000-07-25 |
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