JPH094623A - Grooved bolt - Google Patents
Grooved boltInfo
- Publication number
- JPH094623A JPH094623A JP14993095A JP14993095A JPH094623A JP H094623 A JPH094623 A JP H094623A JP 14993095 A JP14993095 A JP 14993095A JP 14993095 A JP14993095 A JP 14993095A JP H094623 A JPH094623 A JP H094623A
- Authority
- JP
- Japan
- Prior art keywords
- bolt
- groove
- oil
- annular groove
- neck
- 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.)
- Pending
Links
Landscapes
- Forging (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、オイル等の通路にな
る縦溝が形成された溝付ボルトに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grooved bolt having a vertical groove which serves as a passage for oil or the like.
【０００２】[0002]
【従来の技術】特公平５−５５２１１号には、頭部、首
部、及びねじ部を備え、ねじ部に軸方向へ延びる縦溝を
形成した溝付ボルトが示されている。この溝付ボルトに
は、首部に転造を可能にする歯溝を形成してある。2. Description of the Related Art Japanese Patent Publication No. 5-55211 discloses a grooved bolt having a head portion, a neck portion, and a threaded portion, and the threaded portion having a longitudinal groove extending in the axial direction. The grooved bolt has a tooth groove formed on the neck portion to enable rolling.
【０００３】また、特公平３−２１３９６号には、ボル
トの軸心部を軸方向へ長く延びる軸穴と、軸直交方向へ
首部を貫通する横穴とを設け、この横穴と軸穴を連通さ
せてＴ字状の油通路を形成したものが示されている。Further, Japanese Examined Patent Publication No. 3-21396 has a shaft hole extending axially in the axial center of the bolt and a lateral hole penetrating the neck in a direction orthogonal to the shaft. The lateral hole and the shaft hole are communicated with each other. A T-shaped oil passage is formed.
【０００４】[0004]
【発明が解決しようとする課題】特公平５−５５２１１
号の溝付ボルトを用いて、例えば油圧装置とホースとを
接続するためのジョイントを油圧装置に結合した場合、
溝付ボルトの首部周囲にオイル通路となる縦溝と連通す
る空間を形成しなければならない。この空間は、通常の
場合、図４に仮想線ａで示すような凹部を設けることに
なるが、このような凹部の形成は機械加工を要し、手間
がかかる。[Problems to be Solved by the Invention] Japanese Patent Publication No. 5-52111
When connecting a joint for connecting the hydraulic system and the hose to the hydraulic system, for example, using the grooved bolts of No.
A space that communicates with the vertical groove that serves as an oil passage must be formed around the neck of the grooved bolt. Normally, this space is provided with a recess as shown by an imaginary line a in FIG. 4, but the formation of such a recess requires machining and is troublesome.
【０００５】また、特公平３−２１３９６号のボルトに
軸穴と横穴を形成するためにはボルトの成形後に機械加
工が必要であり、このための工数がかかるので、より多
くの時間及びコストがかかる。さらに、特公平５−５５
２１１号と同様、ジョイント内側の首部周囲に凹部を設
け、油通路を設ける必要があり、機械加工等を要し、手
間がかかる。そこで本願発明はこのような手間を省くこ
とのできる溝付ボルトの提供を主たる目的とする。Further, in order to form the shaft hole and the lateral hole in the bolt of Japanese Patent Publication No. 3-21396, it is necessary to perform machining after the bolt is formed, which requires a lot of man-hours for this, so that more time and cost are required. It takes. In addition, Japanese Examined Japanese Examination 5-55
Similar to No. 211, it is necessary to provide a recess around the neck inside the joint and to provide an oil passage, which requires machining and the like, which is troublesome. Therefore, the main object of the present invention is to provide a grooved bolt that can save such trouble.
【０００６】[0006]
【上記課題を解決するための手段】上記課題を解決する
ために本願発明の溝付ボルトは、頭部首部、及びねじ部
を備え、ねじ部に軸方向へ延びる縦溝を形成した溝付ボ
ルトにおいて、首部に環状溝を設け、この環状溝に縦溝
を連続させたことを特徴とする。In order to solve the above-mentioned problems, a grooved bolt of the present invention comprises a head neck portion and a threaded portion, and a grooved bolt in which a vertical groove extending in the axial direction is formed in the threaded portion. In the above, the neck portion is provided with an annular groove, and the longitudinal groove is continuous with the annular groove.
【０００７】このとき、ねじ部の軸端部を小径の把持部
とすることもできる。さらに、複数の縦溝をボルトの軸
心を挟んで互いに非対称となる位置に設けることもでき
る。At this time, the shaft end portion of the screw portion may be a small-diameter grip portion. Further, a plurality of vertical grooves may be provided at positions asymmetrical to each other with the axis of the bolt interposed therebetween.
【０００８】[0008]
【作用】首部に環状溝を設け、この環状溝と縦溝を連続
させることにより、環状溝の周囲へ供給された流体は、
環状溝から縦溝へ連続して流れる。このため、ボルトに
よる被取付部材側に図４の仮想線ａで示すような加工を
施す必要が無くなる。By providing an annular groove on the neck and connecting the annular groove and the vertical groove continuously, the fluid supplied to the periphery of the annular groove is
Continuous flow from the annular groove to the vertical groove. Therefore, it is not necessary to perform processing as shown by the imaginary line a in FIG.
【０００９】また、ねじ部の軸端部を小径の把持部とす
ることにより、転造時において転造盤のダイスは首部
（特に環状溝）と把持部を把持できるので、転造による
ねじ部の形成をより正確かつ容易になる。Further, since the shaft end of the threaded portion has a small-diameter gripping portion, the die of the rolling machine can grip the neck portion (especially the annular groove) and the gripping portion at the time of rolling. Formation is more accurate and easier.
【００１０】さらに、複数の縦溝をボルトの軸心を挟ん
で互いに非対称となる位置に設けると、一組のダイス間
にボルトの軸部を挟んでネジ溝を形成するに際して、両
方のダイスへ縦溝が同時に噛み合うことがないので、転
造がスムーズになり、首部へ歯溝を形成する必要がな
く、このための工程を削減できる。Further, when a plurality of vertical grooves are provided at positions asymmetrical to each other with the axis of the bolt interposed therebetween, when a screw groove is formed with the shaft of the bolt sandwiched between a pair of dies, both dies are formed. Since the vertical grooves do not engage with each other at the same time, rolling is smooth, and it is not necessary to form tooth grooves in the neck portion, and the process for this can be reduced.
【００１１】[0011]
【実施例】以下図面に基づいて、自動２輪車の油圧ブレ
ーキ用マスタシリンダ部へ使用されるオイルボルトにつ
いての一実施例を説明する。図１はこのオイルボルトの
全体外観図、図２は図１の２−２線断面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an oil bolt used for a hydraulic brake master cylinder portion of a motorcycle will be described below with reference to the drawings. 1 is an overall external view of this oil bolt, and FIG. 2 is a sectional view taken along line 2-2 of FIG.
【００１２】これらの図において、このオイルボルト２
は、頭部４、首部６及びねじ部８を備え、ねじ部８には
軸方向へ縦溝１０が形成されている。縦溝１０は図２に
明らかなようにネジ部８のネジ溝底部９と同程度の深さ
であり、周方向へ等間隔で３本形成されている。但し、
この本数は奇数本であれば任意である。In these figures, the oil bolt 2
Includes a head portion 4, a neck portion 6 and a screw portion 8, and a vertical groove 10 is formed in the screw portion 8 in the axial direction. As is apparent from FIG. 2, the vertical grooves 10 have the same depth as the thread groove bottom portion 9 of the screw portion 8, and three vertical grooves 10 are formed at equal intervals in the circumferential direction. However,
This number is arbitrary as long as it is an odd number.
【００１３】縦溝１０の軸方向一端部は首部６の周囲に
形成された環状溝１２と連続している。他端部はねじ部
８の軸方向端部へ達して把持部１４の周囲へ開放されて
いる。把持部１４はねじ部８の軸方向端部からさらに軸
方向へ突出する部分であり、縦溝１０の底部の径よりも
小径になっている。なお、首部６の周囲にはワッシャー
１６がはめられて頭部４の傘部１８へ当接している。One axial end of the vertical groove 10 is continuous with an annular groove 12 formed around the neck 6. The other end reaches the axial end of the screw portion 8 and is open to the periphery of the grip portion 14. The grip portion 14 is a portion that further projects in the axial direction from the axial end portion of the screw portion 8, and has a diameter smaller than the diameter of the bottom portion of the vertical groove 10. A washer 16 is fitted around the neck portion 6 and is in contact with the umbrella portion 18 of the head portion 4.
【００１４】図３はこのオイルボルト２の製造工程を示
す図であり、まず、Ａ工程に示すように、鍛造等適宣手
段により素形部材２０を形成する。素形部材２０は頭部
４、傘部１８、首部６、ねじ形成部７及び縦溝１０が形
成され、まだ環状溝１２、把持部１４及びねじ溝が形成
されていない。FIG. 3 is a diagram showing a manufacturing process of the oil bolt 2. First, as shown in the process A, the element member 20 is formed by an appropriate means such as forging. The base member 20, the head portion 4, the umbrella portion 18, the neck portion 6, the screw forming portion 7 and the vertical groove 10 are formed, and the annular groove 12, the grip portion 14 and the screw groove are not formed yet.
【００１５】次のＢ工程では、転造により、環状溝１２
と把持部１４を有する中間部材２２を形成する。これに
より、縦溝１０の一端部は環状溝１２へ連続し、他端部
は把持部１４の周囲へ開放される。In the next step B, the annular groove 12 is formed by rolling.
The intermediate member 22 having the grip portion 14 is formed. As a result, one end of the vertical groove 10 is continuous with the annular groove 12, and the other end is open to the periphery of the grip 14.
【００１６】次のＣ工程では、転造盤のダイス２４、２
６を用いてねじ形成部７の周囲へねじ溝を形成して完成
品を得る。このとき、縦溝１０の深さがねじ溝の底部９
程度になっているので、ねじ溝で消されずに縦溝１０が
残る。In the next step C, the dies 24 and 2 of the rolling machine are used.
6 is used to form a thread groove around the thread forming portion 7 to obtain a finished product. At this time, the depth of the vertical groove 10 depends on the bottom portion 9 of the thread groove.
The vertical groove 10 remains without being erased by the thread groove because the depth is small.
【００１７】しかも、縦溝１０が奇数本であるために、
一対のダイス２４、２６間にオイルボルト２のネジ形成
部７を挟んでネジ溝を形成する際に両方のダイス２４、
２６へ縦溝１０が同時に噛み合うことがないので、スム
ーズに転造可能であり、前記従来例のように、首部６へ
歯溝を形成する必要がなく、このための工程を削減でき
る。Moreover, since the vertical groove 10 is an odd number,
When forming the screw groove by sandwiching the screw forming portion 7 of the oil bolt 2 between the pair of dice 24, 26, both dice 24,
Since the vertical groove 10 does not engage with the groove 26 at the same time, it can be smoothly rolled, and it is not necessary to form the tooth groove in the neck portion 6 as in the conventional example, and the steps for this can be reduced.
【００１８】なお、図５及び図６に示すように、このよ
うな縦溝１０はオイルボルト２の軸心を挟んで非対称位
置となるように各縦溝１０を形成すれば同様の効果を得
ることができる。すなわち、このような非対称配置にす
れば、縦溝１０の数は奇数でも偶数でも可能である。As shown in FIGS. 5 and 6, if the vertical grooves 10 are formed so that they are asymmetrical with respect to the axis of the oil bolt 2, the same effect can be obtained. be able to. That is, with such an asymmetrical arrangement, the number of the vertical grooves 10 can be odd or even.
【００１９】また、縦溝１０が奇数の場合は周方向へ等
間隔で形成してもこのような非対称配置になるが偶数の
場合は周方向へ不等間隔で形成する必要がある。奇数の
場合は当然に不等間隔で形成できる。If the vertical grooves 10 are odd, even if they are formed at equal intervals in the circumferential direction, such an asymmetrical arrangement is provided, but if they are even, it is necessary to form them at unequal intervals in the circumferential direction. In the case of an odd number, it is naturally possible to form them at unequal intervals.
【００２０】しかも、転造時に、ダイス２４、２６は首
部６（特に環状溝１２）と把持部１４を把持できるの
で、転造によるねじ部の形成をより正確かつ容易にでき
る。Moreover, since the dies 24 and 26 can grip the neck portion 6 (particularly the annular groove 12) and the grip portion 14 during rolling, the threaded portion can be formed more accurately and easily by rolling.
【００２１】図４はこのオイルボルト２を使用した自動
２輪車用油圧ブレーキのマスターシリンダ部を示す図で
ある。すなわち、オイルボルト２はジョイント３０をマ
スターシリンダ４０へ取付けており、ジョイント３０は
軸方向へ延びるオイル通路３２が形成され、その一端に
ホース３４が接続されている。他端は略球状のジョイン
ト部３６に直交方向に貫通形成された取付穴３７へ連通
している。FIG. 4 is a view showing a master cylinder portion of a hydraulic brake for a motorcycle using the oil bolt 2. That is, the oil bolt 2 has the joint 30 attached to the master cylinder 40, the joint 30 has an oil passage 32 extending in the axial direction, and a hose 34 is connected to one end thereof. The other end communicates with a mounting hole 37 that is formed through the substantially spherical joint portion 36 in the orthogonal direction.
【００２２】オイルボルト２はこの取付穴３７及び、取
付穴３７の両端に当接するワッシャー１６及び３８を貫
通して、ねじ部８がマスターシリンダ４０の吐出口４２
に形成された雌ねじ部へ締結されている。吐出口４２は
シリンダ部４４と連通している。The oil bolt 2 penetrates through the mounting hole 37 and the washers 16 and 38 that come into contact with both ends of the mounting hole 37, and the screw portion 8 has a discharge port 42 of the master cylinder 40.
Is fastened to the female screw portion formed on the. The discharge port 42 communicates with the cylinder portion 44.
【００２３】したがって、シリンダ部４４内のオイルは
オイルボルト２の縦溝１０を通り、環状溝１２からジョ
イント３０のオイル通路３２、さらにはホース３４へ連
通することになる。Therefore, the oil in the cylinder portion 44 passes through the vertical groove 10 of the oil bolt 2 and communicates from the annular groove 12 to the oil passage 32 of the joint 30 and further to the hose 34.
【００２４】このとき、取付穴３７の内側において、環
状溝１２の周囲にオイル通路３２及び縦溝１０と連通す
るオイル通路の一部となる空間が形成されるので、仮想
線ａで示すような凹部をジョイント部３６側へ形成する
必要が無くなる。ゆえに、このような面倒な凹部を形成
しなく済むので、油圧装置の製造が容易になる。At this time, since a space which is a part of the oil passage communicating with the oil passage 32 and the vertical groove 10 is formed inside the mounting hole 37 around the annular groove 12, as shown by a virtual line a. It is not necessary to form the concave portion on the joint portion 36 side. Therefore, since it is not necessary to form such a troublesome concave portion, manufacturing of the hydraulic device becomes easy.
【００２５】シリンダ部４４には、図示しないピストン
が挿入され、このピストンの移動により油圧を発生する
ようになっている。シリンダ部４４はリザーバータンク
部４６と連通路４８により連通している。A piston (not shown) is inserted into the cylinder portion 44, and a hydraulic pressure is generated by the movement of the piston. The cylinder portion 44 communicates with the reservoir tank portion 46 by a communication passage 48.
【００２６】なお、本願発明は前記実施例に限定され
ず、種々に変形可能である。例えば、油圧に限らず、空
気等の各種流体の通路形成部材として利用できる。The invention of the present application is not limited to the above embodiment, but can be variously modified. For example, it can be used as a passage forming member for various fluids such as air as well as hydraulic pressure.
【００２７】また、転造盤のダイスとしては、一対で使
用するものであれば前記効果を達成でき、平ダイス及び
丸ダイスと扇形のセグメントダイスを組合せたプラネタ
リ式のもののいずれもが利用可能である。As the die of the rolling machine, the above-mentioned effects can be achieved as long as they are used in a pair, and any of flat dies and planetary dies in which round dies and fan-shaped segment dies are combined can be used. is there.
図１ 実施例の外観図 図２ 図１の２−２線断面図 図３ 実施例の製造工程を示す概略図 図４ 実施例の使用状態を示す断面図 図５ 縦溝の形成位置を変更した別実施例に係る図２の
対応図 図６ さらに別実施例に係る図５と同様の図Fig. 1 External view of the embodiment Fig. 2 Cross-sectional view taken along line 2-2 of Fig. 3 Schematic view showing the manufacturing process of the embodiment Fig. 4 Cross-sectional view showing the usage state of the embodiment Fig. 5 Changed positions of vertical grooves Corresponding diagram of FIG. 2 according to another embodiment FIG. 6 Diagram similar to FIG. 5 according to still another embodiment
２：オイルボルト、４：頭部、６：首部、８：ねじ部、
１０：縦溝、１２：環状溝、１４：把持部2: Oil bolt, 4: Head part, 6: Neck part, 8: Screw part,
10: vertical groove, 12: annular groove, 14: gripping part
Claims (3)
方向へ延びる縦溝を形成した溝付ボルトにおいて、首部
に環状溝を設け、この環状溝に縦溝を連続させたことを
特徴とする溝付ボルト。1. A grooved bolt having a head portion, a neck portion, and a threaded portion, wherein the threaded portion has a longitudinal groove extending in the axial direction, wherein an annular groove is provided in the neck portion and the longitudinal groove is continuous with the annular groove. Grooved bolt characterized by.
を特徴とする請求項１記載の溝付ボルト。2. The grooved bolt according to claim 1, wherein the shaft end of the threaded portion is a grip portion having a small diameter.
非対称となる位置に形成したことを特徴とする請求項１
記載の溝付ボルト。3. A plurality of vertical grooves are formed at positions asymmetrical to each other with the axial center of the bolt interposed therebetween.
Groove bolt described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14993095A JPH094623A (en) | 1995-06-16 | 1995-06-16 | Grooved bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14993095A JPH094623A (en) | 1995-06-16 | 1995-06-16 | Grooved bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH094623A true JPH094623A (en) | 1997-01-07 |
Family
ID=15485683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14993095A Pending JPH094623A (en) | 1995-06-16 | 1995-06-16 | Grooved bolt |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH094623A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004504552A (en) * | 2000-07-13 | 2004-02-12 | アルテンロー・ブリンク・ウント・コー・ゲー・エム・ベー・ハー・ウント・コー・カー・ゲー | Fastener with eccentric disk |
| DE10302928A1 (en) * | 2003-01-24 | 2004-08-19 | Daimlerchrysler Ag | Hollow screw for a liquid line used as a cylinder head screw in an internal combustion engine comprises an approximately central continuous bore along its longitudinal axis and a groove along the thread on its outer side |
| CN101963179A (en) * | 2010-10-10 | 2011-02-02 | 浙江明泰标准件有限公司 | Tubing bolt, molding process and mold thereof |
| US8479897B2 (en) | 2009-07-06 | 2013-07-09 | Shimano Inc. | Bolt for hydraulic disc brake caliper |
| US8534428B2 (en) | 2009-07-06 | 2013-09-17 | Shimano Inc. | One piece hydraulic disc brake caliper with one way plumbing |
| CN103386453A (en) * | 2013-07-29 | 2013-11-13 | 富奥汽车零部件股份有限公司 | Manufacturing method of multislot eccentric workpiece and cold heading reducing die |
| CN104214185A (en) * | 2014-09-17 | 2014-12-17 | 平湖市当湖街道飞天人机械图文设计服务部 | Oil-way bolt of numerically controlled lathe and thermal treatment process thereof |
| CN106050863A (en) * | 2016-06-27 | 2016-10-26 | 无锡迪奥机械有限公司 | Bolt with lubricating oil collecting device |
| CN106286544A (en) * | 2016-10-27 | 2017-01-04 | 苏州市淞舜五金有限公司 | A kind of special-shaped screw |
| WO2022028841A1 (en) * | 2020-08-06 | 2022-02-10 | Kamax Holding Gmbh & Co. Kg | Fastening element and adjustment system comprising a fastening element |
-
1995
- 1995-06-16 JP JP14993095A patent/JPH094623A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004504552A (en) * | 2000-07-13 | 2004-02-12 | アルテンロー・ブリンク・ウント・コー・ゲー・エム・ベー・ハー・ウント・コー・カー・ゲー | Fastener with eccentric disk |
| DE10302928A1 (en) * | 2003-01-24 | 2004-08-19 | Daimlerchrysler Ag | Hollow screw for a liquid line used as a cylinder head screw in an internal combustion engine comprises an approximately central continuous bore along its longitudinal axis and a groove along the thread on its outer side |
| DE10302928B4 (en) * | 2003-01-24 | 2005-02-10 | Daimlerchrysler Ag | Hohlschraube |
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| CN103386453A (en) * | 2013-07-29 | 2013-11-13 | 富奥汽车零部件股份有限公司 | Manufacturing method of multislot eccentric workpiece and cold heading reducing die |
| CN104214185A (en) * | 2014-09-17 | 2014-12-17 | 平湖市当湖街道飞天人机械图文设计服务部 | Oil-way bolt of numerically controlled lathe and thermal treatment process thereof |
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