JPH10329049A - Screw driving device - Google Patents
Screw driving deviceInfo
- Publication number
- JPH10329049A JPH10329049A JP15029397A JP15029397A JPH10329049A JP H10329049 A JPH10329049 A JP H10329049A JP 15029397 A JP15029397 A JP 15029397A JP 15029397 A JP15029397 A JP 15029397A JP H10329049 A JPH10329049 A JP H10329049A
- Authority
- JP
- Japan
- Prior art keywords
- screw
- sliding member
- casing
- driving device
- holding belt
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/04—Arrangements for handling screws or nuts for feeding screws or nuts
- B25B23/045—Arrangements for handling screws or nuts for feeding screws or nuts using disposable strips or discs carrying the screws or nuts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、ドライバ工具に取
り付けられ、ねじ保持ベルトに一列に保持されているね
じを1本ずつ連続的に打ち込むことができるようになっ
ているねじ打込み装置に関し、特に短いねじから長いね
じまで広い範囲のねじの長さに適用できるねじ打込み装
置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a screw driving device which is mounted on a driver tool and is capable of continuously driving one screw at a time in a row on a screw holding belt. The present invention relates to a screw driving device applicable to a wide range of screw lengths from short screws to long screws.
【0002】[0002]
【従来の技術】この種のねじ打込み装置は、電動ドライ
バ工具の先端部に取り付けられる筒状のケーシングと、
該ケーシング内に復帰ばねを介して摺動自在に嵌挿され
る摺動部材と、該摺動部材に設けられ、ねじ保持ベルト
をねじ保持間隔の1ピッチずつ送るねじ保持ベルト送り
機構とを備え、前記摺動部材を被打込み部材に押し当
て、該摺動部材が前記復帰ばねに抗して前記ケーシング
内に押し込まれたときに、前記ねじ保持ベルト送り機構
が作動して前記ねじ保持ベルトを1ピッチだけ送り、続
いて前記電動ドライバ工具に装着されたドライバビット
によって、前記ねじ保持ベルトに保持され打込み位置に
送られたねじを前記被打込み部材に打ち込むようになっ
ている。2. Description of the Related Art A screw driving device of this kind includes a cylindrical casing attached to the tip of an electric screwdriver tool,
A sliding member slidably fitted into the casing via a return spring, and a screw holding belt feed mechanism provided on the sliding member for feeding the screw holding belt by one pitch of a screw holding interval, The sliding member is pressed against the driven member, and when the sliding member is pushed into the casing against the return spring, the screw holding belt feed mechanism operates to move the screw holding belt to one. The screw is held by the screw holding belt and sent to the driving position by a driver bit attached to the electric driver tool, and is driven into the driven member by a pitch.
【0003】ところで、この種のねじ打込み装置に使用
されるねじは、長さが1/2インチ(12.7mm)〜1
インチ(25.4mm)程度の短寸ねじが大半を占めてい
たが、近年、ねじ保持ベルトの材質及び保持部の形状が
改良され、40mm〜50mmの長いねじにまで使用範囲が
広がって来た。そして、長いねじに使用できるねじ打込
み装置もいくつか提案されているけれども、ひとつの装
置で1/2インチ(12.7mm)〜2インチ(50.8
mm)の広い範囲のねじ長さに適用できるねじ打込み装置
は未だ開発されていない。その理由として、下記の問題
点が挙げられる。[0003] By the way, the screw used in this type of screw driving apparatus has a length of 1/2 inch (12.7 mm) to 1 inch.
Short screws of about inch (25.4 mm) accounted for the majority, but in recent years, the material of the screw holding belt and the shape of the holding part have been improved, and the range of use has been extended to long screws of 40 mm to 50 mm. . Although several screw driving devices that can be used for long screws have been proposed, a single device can be used from 1/2 inch (12.7 mm) to 2 inches (50.8 inch).
Screw driving devices applicable to a wide range of screw lengths (mm) have not yet been developed. The reasons are as follows.
【0004】(イ) 長いねじに適用するため前記摺動
部材の摺動範囲を大きくすると、前記復帰ばねの圧縮抵
抗が増大し、作業者の負担が大きくなって連続した打込
み作業が困難になり、また、装置全体の長さも増大し、
足場作業等での使用が困難になる。(A) If the sliding range of the sliding member is increased for application to a long screw, the compression resistance of the return spring increases, and the burden on the operator increases, making continuous driving difficult. , And also increase the overall length of the device,
Use in scaffolding work becomes difficult.
【0005】(ロ) 一方、前記復帰ばねのばね圧を小
さくして、前記摺動部材が前記ケーシング内に押し込ま
れる時の圧縮抵抗を軽減させると、前記摺動部材が他物
に当接した時に、不測に押し込まれて前記ねじ保持ベル
トに半送り現象が生じ、装置の故障や打込み不良などの
トラブルを引き起こすおそれがある。(B) On the other hand, when the spring pressure of the return spring is reduced to reduce the compression resistance when the sliding member is pushed into the casing, the sliding member comes into contact with another object. At times, the screw holding belt may be pushed in unexpectedly, causing a half-feed phenomenon to the screw holding belt, which may cause a trouble such as a failure of the device or a poor driving.
【0006】[0006]
【発明が解決しようとする課題】本発明は、上記事情に
鑑みてなされたものであり、非常に簡単な手段により上
記した問題点を解決し、短いねじから長いねじまで広い
範囲のねじに使用できるねじ打込み装置を提供すること
を目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and solves the above-mentioned problems by very simple means. The present invention is applicable to a wide range of screws from short screws to long screws. It is an object of the present invention to provide a screw driving device which can be used.
【0007】[0007]
【課題を解決するための手段】上記目的を達成するため
に、本発明は、電動ドライバ工具の先端部に取り付けら
れる筒状のケーシングと、該ケーシング内に復帰ばねを
介して摺動自在に嵌挿される摺動部材と、該摺動部材に
設けられ、ねじ保持ベルトをねじ保持間隔の1ピッチず
つ送るねじ保持ベルト送り機構とを備え、前記摺動部材
を被打込み部材に押し当て、該摺動部材が前記復帰ばね
に抗して前記ケーシング内に押し込まれたときに、前記
ねじ保持ベルト送り機構が作動して前記ねじ保持ベルト
を1ピッチだけ送り、続いて前記電動ドライバ工具に装
着されたドライバビットによって、前記ねじ保持ベルト
に保持され打込み位置に送られたねじを前記被打込み部
材に打ち込むようになっているねじ打込み装置におい
て、前記ケーシングに、前記摺動部材が該ケーシング内
に押し込まれるのを停止する摺動部材停止手段が設けら
れていることを特徴とする。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a cylindrical casing attached to the tip of an electric screwdriver tool, and slidably fits in the casing via a return spring. A sliding member to be inserted, and a screw holding belt feeding mechanism provided on the sliding member for feeding a screw holding belt by one pitch of a screw holding interval, and pressing the sliding member against a member to be driven, When the moving member is pushed into the casing against the return spring, the screw holding belt feeding mechanism operates to feed the screw holding belt by one pitch, and then the screw holding belt is mounted on the electric screwdriver tool. In a screw driving device configured to drive a screw held by the screw holding belt and sent to a driving position by a driver bit into the driven member, the casing includes a casing. The sliding member is characterized in that the slide member stop means are provided to stop from being pushed into the casing.
【0008】[0008]
【発明の実施の形態】以下、本発明の好適な実施例を図
面に基づいて説明する。図1及び図2は、本発明による
ねじ打込み装置を示している。該ねじ打込み装置は、筒
状のケーシング1と、該ケーシング1内に摺動自在に嵌
挿された摺動部材2とを有し、摺動部材2は、その後部
に設けたばね受け筒3とケーシング1内の後壁部4との
間に介装した復帰ばね5により常時前方へ突出勝手に付
勢されている。使用に際しては、ケーシング1の後壁部
4に連結した円筒体6が電動ドライバ工具(図示せず)
に結合され、該電動ドライバ工具のドライバビット7
が、図示のように後壁部4及びばね受け筒3を貫通し、
摺動部材2の先端部に設けられたねじ保持ベルト55の
案内通路8の近傍まで延びている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a screw driving device according to the invention. The screw driving device has a cylindrical casing 1 and a sliding member 2 slidably fitted in the casing 1, and the sliding member 2 includes a spring receiving cylinder 3 provided at a rear portion thereof. A return spring 5 interposed between the rear wall 4 in the casing 1 and the rear spring 4 constantly urges the front to project forward. In use, the cylindrical body 6 connected to the rear wall 4 of the casing 1 is an electric screwdriver tool (not shown).
And the driver bit 7 of the electric screwdriver tool
Penetrates the rear wall part 4 and the spring receiving cylinder 3 as shown in the figure,
The screw holding belt 55 provided at the tip of the sliding member 2 extends to the vicinity of the guide passage 8.
【0009】ねじ保持ベルト55は、図6に示すよう
に、軟質合成樹脂材料で構成された細長いベルト状体に
ねじSを挿通して保持する保持筒部56が一定のピッチ
で一列に設けられていると共に、ベルト状体の両側縁に
沿って切欠き部57が保持筒部56と同一のピッチで、
かつ各保持筒56の中間位置に設けられている。そし
て、摺動部材2の先端上部に設けた上下に相対向するコ
字形断面のベルト案内壁9,10の間に形成される案内
通路8を通って、ベルト保持ベルト55が摺動部材2を
左右方向へ横切って案内され、摺動部材2に組み込んだ
ねじ保持ベルト送り機構30によって、ねじ保持ベルト
55が1ピッチずつ間欠的に移送され、ねじSが順次ド
ライバビット7の先端に相対向する打込み位置に送られ
るようになっている。なお、ねじ保持ベルト送り機構3
0の詳細については後述する。As shown in FIG. 6, the screw holding belt 55 is provided with a plurality of holding cylinders 56 which are arranged in a row at a constant pitch and hold the screws S through an elongated belt-like body made of a soft synthetic resin material. At the same time, the notch portions 57 are formed at the same pitch as the holding cylinder portion 56 along both side edges of the belt-like body,
And it is provided at an intermediate position of each holding cylinder 56. Then, the belt holding belt 55 passes the sliding member 2 through a guide passage 8 formed between belt guide walls 9 and 10 having upper and lower sides facing each other and having a U-shaped cross section provided at the upper end of the sliding member 2. The screw holding belt 55 is transported intermittently one pitch at a time by the screw holding belt feeding mechanism 30 incorporated in the sliding member 2 and guided in the horizontal direction, and the screw S sequentially faces the tip of the driver bit 7. It is sent to the driving position. The screw holding belt feed mechanism 3
Details of 0 will be described later.
【0010】摺動部材2は、図2及び図3に示すよう
に、摺動部材2の側面に設けた長手方向へ延びる案内溝
11と、ケーシング1に固定され案内溝11に係合する
係止ピン12とで規制された範囲内で摺動可能となって
いる。そして、該摺動部材2の後端部に取り付けられ、
後方へ延出するストッパ杆13が、ケーシング1の後壁
部4に設けた通孔14を貫通し、円筒体6に螺着された
調整リング15に当接する位置まで、摺動部材2をケー
シング1内に押し込むことができ、使用するねじSの長
さに応じて調整リング15の位置を変えることにより、
摺動部材2の押し込み深さ、すなわち、ドライバビット
7のねじ込み深さを調整できるようになっている。さら
に、図8に示すように、ストッパ杆13の基端部にねじ
部16を設け、該ねじ部16を摺動部材2の後端部に設
けたねじ孔17にねじ込む長さを加減すると共に、止め
ナット18で固定して、摺動部材2から延出するストッ
パ杆13の長さを変えることにより、摺動部材2の押し
込み深さが調整できるようになっている。このように調
整リング15の位置変更とストッパ杆13の長さ調整と
の併用によって、調整リング15の調整量を大幅に大き
くすることなく、したがって調整リング15を含むねじ
打込み装置全体の長さを増大することなく、ケーシング
1に対する摺動部材2の押し込み深さが広範囲で調整可
能となる。As shown in FIGS. 2 and 3, the sliding member 2 has a guide groove 11 provided on the side surface of the sliding member 2 and extending in the longitudinal direction. It is slidable within a range restricted by the stop pin 12. And attached to the rear end of the sliding member 2,
The sliding member 2 is moved to a position where a stopper rod 13 extending rearward passes through a through hole 14 provided in the rear wall portion 4 of the casing 1 and comes into contact with an adjusting ring 15 screwed to the cylindrical body 6. 1, and by changing the position of the adjusting ring 15 according to the length of the screw S used,
The pushing depth of the sliding member 2, that is, the screwing depth of the driver bit 7 can be adjusted. Further, as shown in FIG. 8, a screw portion 16 is provided at the base end of the stopper rod 13, and the length of screwing the screw portion 16 into a screw hole 17 provided at the rear end of the sliding member 2 is adjusted. The push-in depth of the sliding member 2 can be adjusted by changing the length of the stopper rod 13 extending from the sliding member 2 while being fixed with the lock nut 18. As described above, by changing the position of the adjusting ring 15 and adjusting the length of the stopper rod 13 together, the amount of adjustment of the adjusting ring 15 is not greatly increased, and thus the entire length of the screw driving device including the adjusting ring 15 is reduced. The pushing depth of the sliding member 2 into the casing 1 can be adjusted over a wide range without increasing.
【0011】一方、摺動部材2の押し込み深さが長い場
合(すなわち、長いねじを打ち込む場合)に作業者の負
担を軽減するため、従来装置に比べて復帰ばね5のばね
圧を非常に小さく設定し、復帰ばね5の圧縮抵抗を小さ
くしてある。しかし、復帰ばね5のばね圧を小さくする
と、前述したように摺動部材2が他物に当接した時に、
不測にケーシング1内に押し込まれてねじ保持ベルト5
5に半送り現象が生じ、装置の故障や打込み不良などの
トラブルを引き起こすおそれがあるので、このような不
測の押し込み動作を防止するため、ねじ打込み装置を使
用しない場合に摺動部材2の押し込み動作を停止するこ
とができる摺動部材停止装置20がケーシング1に設け
られている。On the other hand, when the pushing depth of the sliding member 2 is long (that is, when a long screw is driven in), the burden on the operator is reduced, so that the spring pressure of the return spring 5 is extremely small as compared with the conventional device. The compression resistance of the return spring 5 is set small. However, when the spring pressure of the return spring 5 is reduced, as described above, when the sliding member 2 comes into contact with another object,
The screw holding belt 5 is unexpectedly pushed into the casing 1 and
5 may cause a trouble such as a failure of the device or a defective driving. Therefore, in order to prevent such an unexpected pressing operation, the sliding member 2 is pressed when the screw driving device is not used. A sliding member stopping device 20 that can stop the operation is provided in the casing 1.
【0012】摺動部材停止装置20は、図4に良く示さ
れているように、ケーシング1の外側壁に固着した筒状
体21と、該筒状体21を貫通してケーシング1内に突
出自在のストッパピン22とを備えており、ストッパピ
ン22の外周面には2本の環状溝23,24が軸方向に
所定間隔を隔てて設けられ、かつ、ストッパピン22の
後端には摘み25が設けられている。一方、筒状体21
には環状溝23又は24に係合してストッパピン22を
所定位置に係止保持する球体26が装着されており、該
球体26は押しばね27でストッパピン22の中心部へ
付勢されている。そして、図4の実線で示すように、摘
み25を引張ってストッパピン22を外側へ引き出し、
球体26が環状溝24に係合する解除位置では、ストッ
パピン22の先端がケーシング1内から後退し、摺動部
材2はケーシング1内に押し込み可能となる。一方、図
4の仮想線及び図2に示すように、摘み25を押してス
トッパピン22をケーシング1内に突出させ、球体26
が環状溝23に係合する作動位置では、ストッパピン2
2の先端部分が摺動部材2の後端部に当接し、摺動部材
2がケーシング1に対して押し込み不可の停止状態にな
る。したがって、摺動部材2の先端部が他部に当接して
も不測に押し込まれることはない。As shown in FIG. 4, the sliding member stopping device 20 has a tubular body 21 fixed to the outer wall of the casing 1 and protrudes into the casing 1 through the tubular body 21. The stopper pin 22 is provided with two annular grooves 23 and 24 on the outer peripheral surface of the stopper pin 22 at predetermined intervals in the axial direction. 25 are provided. On the other hand, the cylindrical body 21
Is mounted with a sphere 26 which engages with the annular groove 23 or 24 to lock and hold the stopper pin 22 at a predetermined position. The sphere 26 is urged toward the center of the stopper pin 22 by a pressing spring 27. I have. Then, as shown by the solid line in FIG. 4, the knob 25 is pulled out to pull out the stopper pin 22 to the outside,
At the release position where the sphere 26 is engaged with the annular groove 24, the tip of the stopper pin 22 retreats from inside the casing 1, and the sliding member 2 can be pushed into the casing 1. On the other hand, as shown in the imaginary line of FIG. 4 and FIG. 2, the knob 25 is pushed to cause the stopper pin 22 to protrude into the casing 1 and the sphere 26
Is in the operating position where the stopper pin 2 is engaged with the annular groove 23.
2 comes into contact with the rear end of the sliding member 2, and the sliding member 2 is brought into a stop state where it cannot be pushed into the casing 1. Therefore, even if the leading end of the sliding member 2 comes into contact with another part, it is not accidentally pushed.
【0013】次に、ねじ保持ベルト送り機構30につい
て説明する。該送り機構30は、図5及び図6に示すよ
うに、摺動部材2内の下部にばね受け筒3と平行に配設
され、かつ、両端が回動自在に枢支された作動軸31を
有し、該作動軸31の中間部位に下方へ突出するピン3
2が突設され、前端部分に一方向クラッチ33を介して
爪車34が回転自在に嵌装されており、該爪車34は作
動軸31が図6の矢印Aの方向へ回動したときのみ一緒
に回動するようになっている。また、爪車34には、図
6に良く示されているように、前面に6つの送り爪35
が同一間隔で放射状に配列して突設されており、上側に
位置する2つの送り爪35が案内通路8を形成する下側
案内壁10の中央部分に設けた欠除部36を通じて案内
通路8内に突出し、該案内通路8に沿って送らるねじ保
持ベルト55の下側の2つの切欠き部57,57に係合
する。さらに、爪車34の前面には6つの半球状係合凹
部37が送り爪35に対応して設けられている。一方、
図5に示すように、爪車34が隣接する摺動部材2の前
壁部2aには、係合凹部37に対応する2つの収容孔3
8,38が設けられており、両収容穴38,38に押し
ばね39,39を介して一対の球体40,40が爪車3
4側に付勢された姿勢で収容され、該球体40,40
が、直径方向に相対する一対の係合凹部37,37に係
合して、爪車34を位置決め停止するようになってい
る。Next, the screw holding belt feeding mechanism 30 will be described. As shown in FIGS. 5 and 6, the feed mechanism 30 is disposed in the lower portion of the sliding member 2 in parallel with the spring receiving cylinder 3 and has both ends rotatably pivotally supported. And a pin 3 protruding downward at an intermediate portion of the operating shaft 31.
2 is protruded, and a ratchet wheel 34 is rotatably fitted to the front end portion via a one-way clutch 33. When the operating shaft 31 rotates in the direction of arrow A in FIG. It only rotates together. As shown in FIG. 6, the ratchet wheel 34 has six feed claws 35 on its front surface.
Are projected radially at the same interval, and the two feed claws 35 located on the upper side are guided through a notch 36 provided at the center of the lower guide wall 10 forming the guide path 8. And engages with two notches 57, 57 on the lower side of the screw holding belt 55 which is fed along the guide passage 8. Further, six hemispherical engagement concave portions 37 are provided on the front surface of the ratchet wheel 34 so as to correspond to the feed claws 35. on the other hand,
As shown in FIG. 5, two receiving holes 3 corresponding to the engagement recesses 37 are formed in the front wall 2a of the sliding member 2 to which the ratchet wheel 34 is adjacent.
8, 38 are provided, and a pair of spheres 40, 40 are inserted into the two receiving holes 38, 38 via press springs 39, 39, respectively.
The spheres 40, 40 are accommodated in a posture biased to the four sides.
Are engaged with a pair of diametrically opposed engagement recesses 37, 37 to stop the positioning of the ratchet wheel 34.
【0014】一方、ケーシング1の底部には、図3に示
すように、ピン32が係合して誘導されるガイド溝41
と、該ガイド溝41に連続する傾斜ガイドスロット42
と、該傾斜ガイドスロット42に連続してケーシング1
の長手方向へ延びるガイドスロット43が設けられてい
る。そして、摺動部材2が図示しない被打込み部材に押
し当てられ復帰ばね5を圧縮しながらケーシング1内に
押し込まれると、ピン32が先ず傾斜ガイドスロット4
2に沿って斜めに移動し、これにより作動軸31が図6
の矢印Aで示す方向へ60度回動する。この作動軸31
に連動して爪車34も一緒に矢印Aの方向へ回動し、送
り爪35でねじ保持ベルト55が1ピッチだけ横方向へ
送られ、保持筒部56に保持されているねじSがドライ
バビット7の先端に相対向する打込み位置に位置決めさ
れる。この状態でさらに摺動部材2が復帰ばね5を圧縮
しながらケーシング1内に押し込まれると、ピン32は
ガイドスロット43に沿って移動するだけで、作動軸3
1は回動しない。一方、この押し込み動作によって、ド
ライバビット7が相対的に前進し、打込み位置に位置決
め保持されているねじSに係合すると共に、これを回転
させながら、被打込み部材に打込むことができるように
なっている。そして、ねじSの打込みが完了し、摺動部
材2を被打込み部材から離すと、摺動部材2は復帰ばね
5によって図1及び図2に示す元の姿勢に戻るが、その
際ピン32が傾斜ガイドスロット42を移動する間に作
動軸31を図6の矢印Aと反対方向へ60度回動させて
元の状態に戻す。このとき、一方向クラッチ33の作用
で作動軸31のみが空回りし、爪車34は2つの係合凹
部37,37に係合する2個の球体40,40で係止保
持され定位置に停止した状態を保っている。On the other hand, as shown in FIG. 3, a guide groove 41 guided by the engagement of the pin 32 is formed in the bottom of the casing 1.
And an inclined guide slot 42 continuous with the guide groove 41.
And the casing 1 continues to the inclined guide slot 42.
Are provided in the longitudinal direction of the guide slot 43. When the sliding member 2 is pressed against the driven member (not shown) and is pressed into the casing 1 while compressing the return spring 5, the pin 32
2 along which the operating shaft 31 is moved obliquely.
In the direction indicated by the arrow A of FIG. This operating shaft 31
The hook wheel 34 is also rotated in the direction of arrow A in conjunction with the operation, the screw holding belt 55 is fed in the horizontal direction by one pitch by the feed hook 35, and the screw S held by the holding cylinder portion 56 is screwed by the driver. It is positioned at the driving position opposite to the tip of the bit 7. In this state, when the sliding member 2 is further pushed into the casing 1 while compressing the return spring 5, the pin 32 simply moves along the guide slot 43 and the operating shaft 3
1 does not rotate. On the other hand, this pushing operation causes the driver bit 7 to relatively advance, engage with the screw S positioned and held at the driving position, and drive the driving bit 7 into the driven member while rotating it. Has become. When the driving of the screw S is completed and the sliding member 2 is separated from the driven member, the sliding member 2 returns to the original posture shown in FIGS. While moving the inclined guide slot 42, the operating shaft 31 is rotated 60 degrees in the direction opposite to the arrow A in FIG. 6 to return to the original state. At this time, only the operation shaft 31 idles due to the action of the one-way clutch 33, and the ratchet wheel 34 is locked and held by the two spheres 40, 40 engaged with the two engagement recesses 37, 37 and stopped at the fixed position. The state that has been maintained.
【0015】実際のねじ打込み作業では、図1及び図2
に示すように、打込み位置に位置決めされたねじSが摺
動部材2の先端から突出するので、ねじSの長さに対応
して摺動部材2の先端から突出する長さを加減調整でき
るねじ長さ調整アダプタ45が摺動部材2に取り付けら
れる。FIGS. 1 and 2 show actual screw driving operations.
Since the screw S positioned at the driving position protrudes from the distal end of the sliding member 2 as shown in FIG. 5, the screw protruding from the distal end of the sliding member 2 can be adjusted according to the length of the screw S. The length adjustment adapter 45 is attached to the sliding member 2.
【0016】該ねじ長さ調整アダプタ45は、図4に示
すように、長手方向へ延びる長孔47を設けた板状体4
6の先端に二股状の当接部片48が設けられており、板
状体46の両側縁に沿って半円形状の係止突部49が多
数並列して設けられている。一方、摺動部材2の上面に
は板状体46を長手方向へ変位可能に案内係合する扁平
な係合溝50が設けられ、該係合溝50の相対向する内
側壁に係止突部49が係合する半円形状の凹部51が多
数並列して設けられている。そして、板状体46を係合
溝50に係合させ、ねじSの長さに応じて当接部片48
の突出量を調節したのち、長孔47に挿通した蝶ボルト
52でアダプタ45を摺動部材2に固定するようになっ
ている。その際、板状体46の両側の係止突部49が係
合溝50の凹部51に係合しているので、板状体46は
がた付くことなく強固に固定される。また、ねじ長さ調
整アダプタ45は摺動部材2に送られるねじ保持ベルト
55と干渉しないので、その突出量の調節が容易かつ迅
速に行なえる。As shown in FIG. 4, the screw length adjusting adapter 45 has a plate-like body 4 provided with a long hole 47 extending in the longitudinal direction.
A bifurcated abutting piece 48 is provided at the tip of 6, and a large number of semicircular locking projections 49 are provided in parallel along both side edges of the plate-like body 46. On the other hand, a flat engagement groove 50 for guiding and engaging the plate-like body 46 so as to be displaceable in the longitudinal direction is provided on the upper surface of the sliding member 2. A large number of semicircular concave portions 51 with which the portions 49 are engaged are provided in parallel. Then, the plate-like body 46 is engaged with the engagement groove 50, and the contact piece 48 is formed according to the length of the screw S.
After adjusting the amount of protrusion, the adapter 45 is fixed to the sliding member 2 with the wing bolt 52 inserted into the elongated hole 47. At this time, since the locking projections 49 on both sides of the plate-like body 46 are engaged with the concave portions 51 of the engagement grooves 50, the plate-like body 46 is firmly fixed without rattling. Further, since the screw length adjusting adapter 45 does not interfere with the screw holding belt 55 sent to the sliding member 2, the amount of protrusion can be easily and quickly adjusted.
【0017】[0017]
【発明の効果】以上説明したように、本発明のねじ打込
み装置は、前記ケーシングに、前記摺動部材が該ケーシ
ング内に押し込まれるのを停止する摺動部材停止手段を
設けたので、前記摺動部材の復帰ばねのばね圧を小さく
して、前記摺動部材が前記ケーシング内に押し込まれる
時の圧縮抵抗を軽減させることにより、短いねじから長
いねじまで広い範囲のねじに使用できるようにしても、
該ねじ打込み装置の不使用時に前記摺動部材停止手段を
作動しておけば、前記摺動部材が他物に当接するなどに
よって、不測に押し込まれるおそれは全くない。しか
も、前記復帰ばねのばね圧を小さくすることで、長いね
じの場合で作業者に大きな負担をかけることなく連続し
て打込み作業が行なえるものである。As described above, in the screw driving device according to the present invention, the casing is provided with the sliding member stopping means for stopping the sliding member from being pushed into the casing. By reducing the spring pressure of the return spring of the moving member and reducing the compression resistance when the sliding member is pushed into the casing, the sliding member can be used for a wide range of screws from short screws to long screws. Also,
If the sliding member stopping means is operated when the screw driving device is not used, there is no possibility that the sliding member may be accidentally pushed by contact with another object. In addition, by reducing the spring pressure of the return spring, the driving operation can be performed continuously without imposing a large burden on the operator in the case of a long screw.
【0018】また、請求項3に係る発明によれば、前記
ねじ長さ調整アダプタの調節が容易かつ迅速に行なえ
る。According to the third aspect of the present invention, the adjustment of the screw length adjusting adapter can be performed easily and quickly.
【0019】さらに、請求項4に係る発明によれば、前
記調整リングの調整量を大幅に増大することなく、した
がって前記調整リングを含むねじ打込み装置全体の長さ
を増大することなく、前記ケーシングに対する前記摺動
部材の押し込み深さ、すなわち前記ドライバビットのね
じ込み深さが広範囲で調整できる。Furthermore, according to the invention according to claim 4, the casing can be adjusted without greatly increasing the adjustment amount of the adjustment ring, and therefore without increasing the entire length of the screw driving device including the adjustment ring. , That is, the screw-in depth of the driver bit can be adjusted in a wide range.
【図1】本発明に係るねじ打込み装置の正面図である。FIG. 1 is a front view of a screw driving device according to the present invention.
【図2】同平面図である。FIG. 2 is a plan view of the same.
【図3】同要部の底面図である。FIG. 3 is a bottom view of the essential part.
【図4】図1の4−4線に沿う拡大断面図である。FIG. 4 is an enlarged sectional view taken along line 4-4 in FIG.
【図5】同摺動部材の縦断拡大正面図である。FIG. 5 is a longitudinally enlarged front view of the sliding member.
【図6】図5の6−6線に沿う断面図である。FIG. 6 is a sectional view taken along line 6-6 in FIG. 5;
【図7】同ねじ長さ調整アダプタの斜視図である。FIG. 7 is a perspective view of the screw length adjustment adapter.
【図8】同摺動部材の後端部に設けるストップ杆の取付
け状態を示す要部縦断面図である。FIG. 8 is a vertical sectional view of a main part showing a mounting state of a stop rod provided at a rear end of the sliding member.
1 ケーシング 2 摺動部材 3 ばね受け筒 5 復帰ばね 7 ドライバビット 8 案内通路 13 ストッパ杆 15 調整リング 20 摺動部材停止装置 21 筒状体 22 ストッパピン 30 ねじ保持ベルト送り機構 31 作動軸 32 ピン 33 一方向クランチ 34 爪車 35 送り爪 37 係合凹部 40 球体 41 ガイド溝 42 傾斜ガイドスロット 43 ガイドスロット 45 ねじ長さ調整アダプタ 48 当接部片 REFERENCE SIGNS LIST 1 casing 2 sliding member 3 spring receiving cylinder 5 return spring 7 driver bit 8 guide passage 13 stopper rod 15 adjusting ring 20 sliding member stopping device 21 cylindrical body 22 stopper pin 30 screw holding belt feed mechanism 31 operating shaft 32 pin 33 One-way crunch 34 Claw wheel 35 Feeding claw 37 Engagement concave portion 40 Sphere 41 Guide groove 42 Inclined guide slot 43 Guide slot 45 Screw length adjustment adapter 48 Contact piece
【手続補正書】[Procedure amendment]
【提出日】平成9年10月28日[Submission date] October 28, 1997
【手続補正1】[Procedure amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】全文[Correction target item name] Full text
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【書類名】 明細書[Document Name] Statement
【発明の名称】 ねじ打込み装置[Title of the Invention] Screw driving device
【特許請求の範囲】[Claims]
【請求項3】 前記摺動部材の押し込み深さ、すなわち
前記ドライバビットのねじ込み深さが、前記ケーシング
の後端部に連結した円筒部に螺着された調整リングの位
置変更と、前記摺動部材の後端部に取り付けたストッパ
杆の長さ調整との併用によって、調整可能に構成されて
いる請求項1又は2記載のねじ打込み装置。 3. The position of an adjusting ring screwed to a cylindrical portion connected to a rear end of the casing, wherein the pushing depth of the sliding member, that is, the screwing depth of the driver bit is changed, and 3. The screw driving device according to claim 1, wherein the screw driving device is configured to be adjustable by using the stopper rod attached to the rear end of the member together with the length of the stopper rod.
【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、ドライバ工具に取
り付けられ、ねじ保持ベルトに一列に保持されているね
じを1本ずつ連続的に打ち込むことができるようになっ
ているねじ打込み装置に関し、特に短いねじから長いね
じまで広い範囲のねじの長さに適用できるねじ打込み装
置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a screw driving device which is mounted on a driver tool and is capable of continuously driving one screw at a time in a row on a screw holding belt. The present invention relates to a screw driving device applicable to a wide range of screw lengths from short screws to long screws.
【0002】[0002]
【従来の技術】この種のねじ打込み装置は、例えば、実
開平4−60667号公報、米国特許第5,284,0
74号明細書に開示されているように、電動ドライバ工
具の先端部に取り付けられる筒状のケーシングと、該ケ
ーシング内に復帰ばねを介して摺動自在に嵌挿される摺
動部材と、該摺動部材に設けられ、ねじ保持ベルトをね
じ保持間隔の1ピッチずつ送るねじ保持ベルト送り機構
と、前記摺動部材に長手方向へ変位可能に取り付けら
れ、前記ねじ保持ベルトに保持されたねじの長さに対応
して前記摺動部材の先端から突出量を変更するねじ長さ
調整アダプタとを備え、前記摺動部材を被打込み部材に
押し当て、該摺動部材が前記復帰ばねに抗して前記ケー
シング内に押し込まれたときに、前記ねじ保持ベルト送
り機構が作動して前記ねじ保持ベルトを1ピッチだけ送
り、続いて前記電動ドライバ工具に装着されたドライバ
ビットによって、前記ねじ保持ベルトに保持され打込み
位置に送られたねじを前記被打込み部材に打ち込むよう
になっている。2. Description of the Related Art A screw driving apparatus of this kind is, for example, actually used.
JP-A-4-60667, U.S. Pat.
As disclosed in the specification of Japanese Patent No. 74, a cylindrical casing attached to the tip of an electric screwdriver tool, a sliding member slidably fitted into the casing via a return spring, A screw holding belt feeding mechanism provided on the moving member for feeding the screw holding belt by one pitch of the screw holding interval, and attached to the sliding member so as to be displaceable in the longitudinal direction.
Corresponding to the length of the screws held by the screw holding belt
The screw length to change the amount of protrusion from the tip of the sliding member
An adjusting adapter, the sliding member is pressed against the driven member, and when the sliding member is pushed into the casing against the return spring, the screw holding belt feed mechanism operates. The screw holding belt is fed by one pitch, and subsequently, the screw held by the screw holding belt and sent to the driving position is driven into the driven member by a driver bit mounted on the electric screwdriver tool. .
【0003】ところで、この種のねじ打込み装置に使用
されるねじは、長さが1/2インチ(12.7mm)〜
1インチ(25.4mm)程度の短寸ねじが大半を占め
ていたが、近年、ねじ保持ベルトの材質及び保持部の形
状が改良され、40mm〜50mmの長いねじにまで使
用範囲が広がって来た。上記した実開平4−60667
号公報、米国特許第5,284,074号明細書には、
種々の長さのねじを打ち込むことができるねじ打ち込み
装置が提案されているけれども、ひとつの装置で1/2
インチ(12.7mm)〜2インチ(50.8mm)の
広い範囲のねじ長さに適用できるねじ打込み装置は未だ
開発されていない。その理由として、下記の問題点が挙
げられる。[0003] By the way, the screw used in this type of screw driving device has a length of 1/2 inch (12.7 mm) or more.
The short screws of about 1 inch (25.4 mm) occupied the majority, but in recent years, the material of the screw holding belt and the shape of the holding portion have been improved, and the range of use has been extended to long screws of 40 mm to 50 mm. Was. The above-mentioned Japanese Utility Model 4-60667
No. 5,284,074,
Screw drive that can drive screws of various lengths
Although a device has been proposed, one device can
A screw driving device applicable to a wide range of screw lengths from inches (12.7 mm) to 2 inches (50.8 mm) has not yet been developed. The reasons are as follows.
【0004】(イ) 長いねじに適用するため前記摺動
部材の摺動範囲を大きくすると、前記復帰ばねの圧縮抵
抗が増大し、作業者の負担が大きくなって連続した打込
み作業が困難になり、また、装置全体の長さも増大し、
足場作業等での使用が困難になる。(A) If the sliding range of the sliding member is increased for application to a long screw, the compression resistance of the return spring increases, and the burden on the operator increases, making continuous driving difficult. , And also increase the overall length of the device,
Use in scaffolding work becomes difficult.
【0005】(ロ) 一方、前記復帰ばねのばね圧を小
さくして、前記摺動部材が前記ケーシング内に押し込ま
れる時の圧縮抵抗を軽減させると、前記摺動部材が他物
に当接した時に、不測に押し込まれて前記ねじ保持ベル
トに半送り現象が生じ、装置の故障や打込み不良などの
トラブルを引き起こすおそれがある。(B) On the other hand, when the spring pressure of the return spring is reduced to reduce the compression resistance when the sliding member is pushed into the casing, the sliding member comes into contact with another object. At times, the screw holding belt may be pushed in unexpectedly, causing a half-feed phenomenon to the screw holding belt, which may cause a trouble such as a failure of the device or a poor driving.
【0006】[0006]
【発明が解決しようとする課題】本発明は、上記事情に
鑑みてなされたものであり、非常に簡単な手段により上
記した問題点を解決し、短いねじから長いねじまで広い
範囲のねじに使用できるねじ打込み装置を提供すること
を目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and solves the above-mentioned problems by very simple means. The present invention is applicable to a wide range of screws from short screws to long screws. It is an object of the present invention to provide a screw driving device which can be used.
【0007】[0007]
【課題を解決するための手段】上記目的を達成するため
に、ドライバ工具の先端部に取り付けられる筒状のケー
シングと、該ケーシング内に復帰ばねを介して摺動自在
に嵌挿される摺動部材と、該摺動部材に設けられ、ねじ
保持ベルトをねじ保持間隔の1ピッチずつ送るねじ保持
ベルト送り機構と、前記摺動部材に長手方向へ変位可能
に取り付けられ、前記ねじ保持ベルトに保持されたねじ
の長さに対応して前記摺動部材の先端からの突出量を変
更するねじ長さ調整アダプタとを備え、前記ねじ長さ調
整アダプタを被打込み部材に押し当て、該摺動部材が前
記復帰ばねに抗して前記ケーシング内に押し込まれたと
きに、前記ねじ保持ベルト送り機構が作動して前記ねじ
保持ベルトを1ピッチだけ送り、続いて前記ドライバ工
具に装着されたドライバビットによって、前記ねじ保持
ベルトに保持され打込み位置に送られたねじを前記被打
込み部材に打ち込むようになっているねじ打込み装置に
おいて、前記ケーシングに、前記摺動部材が該ケーシン
グ内に押し込まれるのを停止する摺動部材停止手段が設
けられていることを特徴とする。In order to achieve the above object, a cylindrical casing attached to the tip of a driver tool, and a sliding member slidably inserted into the casing via a return spring. And a screw holding belt feeding mechanism provided on the sliding member for feeding the screw holding belt by one pitch of a screw holding interval, and the sliding member can be displaced in a longitudinal direction.
And the screws held by the screw holding belt
The amount of protrusion from the tip of the sliding member varies according to the length of the sliding member.
A screw length adjusting adapter to be further pressed against the member to be driven , and when the sliding member is pushed into the casing against the return spring, the screw holding is performed. The belt feed mechanism operates to feed the screw holding belt by one pitch, and then, by means of a driver bit attached to the driver tool, the screw held by the screw holding belt and sent to the driving position is sent to the driven member. In a screw driving device adapted to be driven, the casing is provided with sliding member stopping means for stopping the sliding member from being pushed into the casing.
【0008】前記摺動部材停止手段は、具体的には、前
記ケーシング内に突出自在のピンであって、その突出時
に前記摺動部材の後端に当接するように設けられてい
る。 [0008] Specifically, the sliding member stopping means is,
A pin that can project freely into the casing,
Is provided so as to contact the rear end of the sliding member.
You.
【0009】また、前記摺動部材の押し込み深さ、すな
わち前記ドライバビットのねじ込み深さが、前記ケーシ
ングの後端部に連結した円筒部に螺着された調整リング
の位置変更と、前記摺動部材の後端部に取り付けたスト
ッパ杆の長さ調整との併用によって、調整可能に構成さ
れている。 In addition, the pushing depth of the sliding member,
That is, the screwing depth of the driver bit is
Adjustment ring screwed into the cylindrical part connected to the rear end of the ring
Position of the sliding member and the strike attached to the rear end of the sliding member.
It is configured to be adjustable when used together with the length of the
Have been.
【0010】[0010]
【発明の実施の形態】以下、本発明の好適な実施例を図
面に基づいて説明する。図1及び図2は、本発明による
ねじ打込み装置を示している。該ねじ打込み装置は、筒
状のケーシング1と、該ケーシング1内に摺動自在に嵌
挿された摺動部材2とを有し、摺動部材2は、その後部
に設けたばね受け筒3とケーシング1内の後壁部4との
間に介装した復帰ばね5により常時前方へ突出勝手に付
勢されている。使用に際しては、ケーシング1の後壁部
4に連結した円筒体6が電動ドライバ工具(図示せず)
に結合され、該電動ドライバ工具のドライバビット7
が、図示のように後壁部4及びばね受け筒3を貫通し、
摺動部材2の先端部に設けられたねじ保持ベルト55の
案内通路8の近傍まで延びている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a screw driving device according to the invention. The screw driving device has a cylindrical casing 1 and a sliding member 2 slidably fitted in the casing 1, and the sliding member 2 includes a spring receiving cylinder 3 provided at a rear portion thereof. A return spring 5 interposed between the rear wall 4 in the casing 1 and the rear spring 4 constantly urges the front to project forward. In use, the cylindrical body 6 connected to the rear wall 4 of the casing 1 is an electric screwdriver tool (not shown).
And the driver bit 7 of the electric screwdriver tool
Penetrates the rear wall part 4 and the spring receiving cylinder 3 as shown in the figure,
The screw holding belt 55 provided at the tip of the sliding member 2 extends to the vicinity of the guide passage 8.
【0011】ねじ保持ベルト55は、図6に示すよう
に、軟質合成樹脂材料で構成された細長いベルト状体に
ねじSを挿通して保持する保持筒部56が一定のピッチ
で一列に設けられていると共に、ベルト状体の両側縁に
沿って切欠き部57が保持筒部56と同一のピッチで、
かつ各保持筒56の中間位置に設けられている。そし
て、摺動部材2の先端上部に設けた上下に相対向するコ
字形断面のベルト案内壁9,10の間に形成される案内
通路8を通って、ベルト保持ベルト55が摺動部材2を
左右方向へ横切って案内され、摺動部材2に組み込んだ
ねじ保持ベルト送り機構30によって、ねじ保持ベルト
55が1ピッチずつ間欠的に移送され、ねじSが順次ド
ライバビット7の先端に相対向する打込み位置に送られ
るようになっている。なお、ねじ保持ベルト送り機構3
0の詳細については後述する。As shown in FIG. 6, the screw holding belt 55 is provided with a plurality of holding cylinders 56 which are arranged in a row at a constant pitch and hold the screws S through an elongated belt made of a soft synthetic resin material. At the same time, the notch portions 57 are formed at the same pitch as the holding cylinder portion 56 along both side edges of the belt-like body,
And it is provided at an intermediate position of each holding cylinder 56. Then, the belt holding belt 55 passes the sliding member 2 through a guide passage 8 formed between belt guide walls 9 and 10 having upper and lower sides facing each other and having a U-shaped cross section provided at the upper end of the sliding member 2. The screw holding belt 55 is transported intermittently one pitch at a time by the screw holding belt feeding mechanism 30 incorporated in the sliding member 2 and guided in the horizontal direction, and the screw S sequentially faces the tip of the driver bit 7. It is sent to the driving position. The screw holding belt feed mechanism 3
Details of 0 will be described later.
【0012】摺動部材2は、図2及び図3に示すよう
に、摺動部材2の側面に設けた長手方向へ延びる案内溝
11と、ケーシング1に固定され案内溝11に係合する
係止ピン12とで規制された範囲内で摺動可能となって
いる。そして、該摺動部材2の後端部に取り付けられ、
後方へ延出するストッパ杆13が、ケーシング1の後壁
部4に設けた通孔14を貫通し、円筒体6に螺着された
調整リング15に当接する位置まで、摺動部材2をケー
シング1内に押し込むことができ、使用するねじSの長
さに応じて調整リング15の位置を変えることにより、
摺動部材2の押し込み深さ、すなわち、ドライバビット
7のねじ込み深さを調整できるようになっている。さら
に、図8に示すように、ストッパ杆13の基端部にねじ
部16を設け、該ねじ部16を摺動部材2の後端部に設
けたねじ孔17にねじ込む長さを加減すると共に、止め
ナット18で固定して、摺動部材2から延出するストッ
パ杆13の長さを変えることにより、摺動部材2の押し
込み深さが調整できるようになっている。このように調
整リング15の位置変更とストッパ杆13の長さ調整と
の併用によって、調整リング15の調整量を大幅に大き
くすることなく、したがって調整リング15を含むねじ
打込み装置全体の長さを増大することなく、ケーシング
1に対する摺動部材2の押し込み深さが広範囲で調整可
能となる。As shown in FIGS. 2 and 3, the sliding member 2 has a guide groove 11 provided on the side surface of the sliding member 2 and extending in the longitudinal direction, and an engaging member fixed to the casing 1 and engaged with the guide groove 11. It is slidable within a range restricted by the stop pin 12. And attached to the rear end of the sliding member 2,
The sliding member 2 is moved to a position where a stopper rod 13 extending rearward passes through a through hole 14 provided in the rear wall portion 4 of the casing 1 and comes into contact with an adjusting ring 15 screwed to the cylindrical body 6. 1, and by changing the position of the adjusting ring 15 according to the length of the screw S used,
The pushing depth of the sliding member 2, that is, the screwing depth of the driver bit 7 can be adjusted. Further, as shown in FIG. 8, a screw portion 16 is provided at the base end of the stopper rod 13, and the length of screwing the screw portion 16 into a screw hole 17 provided at the rear end of the sliding member 2 is adjusted. The push-in depth of the sliding member 2 can be adjusted by changing the length of the stopper rod 13 extending from the sliding member 2 while being fixed with the lock nut 18. As described above, by changing the position of the adjusting ring 15 and adjusting the length of the stopper rod 13 together, the amount of adjustment of the adjusting ring 15 is not greatly increased, and thus the entire length of the screw driving device including the adjusting ring 15 is reduced. The pushing depth of the sliding member 2 into the casing 1 can be adjusted over a wide range without increasing.
【0013】一方、摺動部材2の押し込み深さが長い場
合(すなわち、長いねじを打ち込む場合)に作業者の負
担を軽減するため、従来装置に比べて復帰ばね5のばね
圧を非常に小さく設定し、復帰ばね5の圧縮抵抗を小さ
くしてある。しかし、復帰ばね5のばね圧を小さくする
と、前述したように摺動部材2が他物に当接した時に、
不測にケーシング1内に押し込まれてねじ保持ベルト5
5に半送り現象が生じ、装置の故障や打込み不良などの
トラブルを引き起こすおそれがあるので、このような不
測の押し込み動作を防止するため、ねじ打込み装置を使
用しない場合に摺動部材2の押し込み動作を停止するこ
とができる摺動部材停止装置20がケーシング1に設け
られている。On the other hand, when the pushing depth of the sliding member 2 is long (that is, when a long screw is driven in), the burden on the operator is reduced, so that the spring pressure of the return spring 5 is very small as compared with the conventional device. The compression resistance of the return spring 5 is set small. However, when the spring pressure of the return spring 5 is reduced, as described above, when the sliding member 2 comes into contact with another object,
The screw holding belt 5 is unexpectedly pushed into the casing 1 and
5 may cause a trouble such as a failure of the device or a defective driving. Therefore, in order to prevent such an unexpected pressing operation, the sliding member 2 is pressed when the screw driving device is not used. A sliding member stopping device 20 that can stop the operation is provided in the casing 1.
【0014】摺動部材停止装置20は、図4に良く示さ
れているように、ケーシング1の外側壁に固着した筒状
体21と、該筒状体21を貫通してケーシング1内に突
出自在のストッパピン22とを備えており、ストッパピ
ン22の外周面には2本の環状溝23,24が軸方向に
所定間隔を隔てて設けられ、かつ、ストッパピン22の
後端には摘み25が設けられている。一方、筒状体21
には環状溝23又は24に係合してストッパピン22を
所定位置に係止保持する球体26が装着されており、該
球体26は押しばね27でストッパピン22の中心部へ
付勢されている。そして、図4の実線で示すように、摘
み25を引張ってストッパピン22を外側へ引き出し、
球体26が環状溝24に係合する解除位置では、ストッ
パピン22の先端がケーシング1内から後退し、摺動部
材2はケーシング1内に押し込み可能となる。一方、図
4の仮想線及び図2に示すように、摘み25を押してス
トッパピン22をケーシング1内に突出させ、球体26
が環状溝23に係合する作動位置では、ストッパピン2
2の先端部分が摺動部材2の後端部に当接し、摺動部材
2がケーシング1に対して押し込み不可の停止状態にな
る。したがって、摺動部材2の先端部が他部に当接して
も不測に押し込まれることはない。As shown in FIG. 4, the sliding member stopping device 20 has a cylindrical body 21 fixed to the outer wall of the casing 1 and protrudes into the casing 1 through the cylindrical body 21. The stopper pin 22 is provided with two annular grooves 23 and 24 on the outer peripheral surface of the stopper pin 22 at predetermined intervals in the axial direction. 25 are provided. On the other hand, the cylindrical body 21
Is mounted with a sphere 26 which engages with the annular groove 23 or 24 to lock and hold the stopper pin 22 at a predetermined position. The sphere 26 is urged toward the center of the stopper pin 22 by a pressing spring 27. I have. Then, as shown by the solid line in FIG. 4, the knob 25 is pulled out to pull out the stopper pin 22 to the outside,
At the release position where the sphere 26 is engaged with the annular groove 24, the tip of the stopper pin 22 retreats from inside the casing 1, and the sliding member 2 can be pushed into the casing 1. On the other hand, as shown in the imaginary line of FIG. 4 and FIG. 2, the knob 25 is pushed to cause the stopper pin 22 to protrude into the casing 1 and the sphere 26
Is in the operating position where the stopper pin 2 is engaged with the annular groove 23.
2 comes into contact with the rear end of the sliding member 2, and the sliding member 2 is brought into a stop state where it cannot be pushed into the casing 1. Therefore, even if the leading end of the sliding member 2 comes into contact with another part, it is not accidentally pushed.
【0015】次に、ねじ保持ベルト送り機構30につい
て説明する。該送り機構30は、図5及び図6に示すよ
うに、摺動部材2内の下部にばね受け筒3と平行に配設
され、かつ、両端が回動自在に枢支された作動軸31を
有し、該作動軸31の中間部位に下方へ突出するピン3
2が突設され、前端部分に一方向クラッチ33を介して
爪車34が回転自在に嵌装されており、該爪車34は作
動軸31が図6の矢印Aの方向へ回動したときのみ一緒
に回動するようになっている。また、爪車34には、図
6に良く示されているように、前面に6つの送り爪35
が同一間隔で放射状に配列して突設されており、上側に
位置する2つの送り爪35が案内通路8を形成する下側
案内壁10の中央部分に設けた欠除部36を通じて案内
通路8内に突出し、該案内通路8に沿って送らるねじ保
持ベルト55の下側の2つの切欠き部57,57に係合
する。さらに、爪車34の前面には6つの半球状係合凹
部37が送り爪35に対応して設けられている。一方、
図5に示すように、爪車34が隣接する摺動部材2の前
壁部2aには、係合凹部37に対応する2つの収容孔3
8,38が設けられており、両収容穴38,38に押し
ばね39,39を介して一対の球体40,40が爪車3
4側に付勢された姿勢で収容され、該球体40,40
が、直径方向に相対する一対の係合凹部37,37に係
合して、爪車34を位置決め停止するようになってい
る。Next, the screw holding belt feeding mechanism 30 will be described. As shown in FIGS. 5 and 6, the feed mechanism 30 is disposed in the lower portion of the sliding member 2 in parallel with the spring receiving cylinder 3 and has both ends rotatably pivotally supported. And a pin 3 protruding downward at an intermediate portion of the operating shaft 31.
2 is protruded, and a ratchet wheel 34 is rotatably fitted to the front end portion via a one-way clutch 33. When the operating shaft 31 rotates in the direction of arrow A in FIG. It only rotates together. As shown in FIG. 6, the ratchet wheel 34 has six feed claws 35 on its front surface.
Are projected radially at the same interval, and the two feed claws 35 located on the upper side are guided through a notch 36 provided at the center of the lower guide wall 10 forming the guide path 8. And engages with two notches 57, 57 on the lower side of the screw holding belt 55 which is fed along the guide passage 8. Further, six hemispherical engagement concave portions 37 are provided on the front surface of the ratchet wheel 34 so as to correspond to the feed claws 35. on the other hand,
As shown in FIG. 5, two receiving holes 3 corresponding to the engagement recesses 37 are formed in the front wall 2a of the sliding member 2 to which the ratchet wheel 34 is adjacent.
8, 38 are provided, and a pair of spheres 40, 40 are inserted into the two receiving holes 38, 38 via press springs 39, 39, respectively.
The spheres 40, 40 are accommodated in a posture biased to the four sides.
Are engaged with a pair of diametrically opposed engagement recesses 37, 37 to stop the positioning of the ratchet wheel 34.
【0016】一方、ケーシング1の底部には、図3に示
すように、ピン32が係合して誘導されるガイド溝41
と、該ガイド溝41に連続する傾斜ガイドスロット42
と、該傾斜ガイドスロット42に連続してケーシング1
の長手方向へ延びるガイドスロット43が設けられてい
る。そして、摺動部材2が図示しない被打込み部材に押
し当てられ復帰ばね5を圧縮しながらケーシング1内に
押し込まれると、ピン32が先ず傾斜ガイドスロット4
2に沿って斜めに移動し、これにより作動軸31が図6
の矢印Aで示す方向へ60度回動する。この作動軸31
に連動して爪車34も一緒に矢印Aの方向へ回動し、送
り爪35でねじ保持ベルト55が1ピッチだけ横方向へ
送られ、保持筒部56に保持されているねじSがドライ
バビット7の先端に相対向する打込み位置に位置決めさ
れる。この状態でさらに摺動部材2が復帰ばね5を圧縮
しながらケーシング1内に押し込まれると、ピン32は
ガイドスロット43に沿って移動するだけで、作動軸3
1は回動しない。一方、この押し込み動作によって、ド
ライバビット7が相対的に前進し、打込み位置に位置決
め保持されているねじSに係合すると共に、これを回転
させながら、被打込み部材に打込むことができるように
なっている。そして、ねじSの打込みが完了し、摺動部
材2を被打込み部材から離すと、摺動部材2は復帰ばね
5によって図1及び図2に示す元の姿勢に戻るが、その
際ピン32が傾斜ガイドスロット42を移動する間に作
動軸31を図6の矢印Aと反対方向へ60度回動させて
元の状態に戻す。このとき、一方向クラッチ33の作用
で作動軸31のみが空回りし、爪車34は2つの係合凹
部37,37に係合する2個の球体40,40で係止保
持され定位置に停止した状態を保っている。On the other hand, in the bottom of the casing 1, as shown in FIG.
And an inclined guide slot 42 continuous with the guide groove 41.
And the casing 1 continues to the inclined guide slot 42.
Are provided in the longitudinal direction of the guide slot 43. When the sliding member 2 is pressed against the driven member (not shown) and is pressed into the casing 1 while compressing the return spring 5, the pin 32
2 along which the operating shaft 31 is moved obliquely.
In the direction indicated by the arrow A of FIG. This operating shaft 31
The hook wheel 34 is also rotated in the direction of arrow A in conjunction with the operation, the screw holding belt 55 is fed in the horizontal direction by one pitch by the feed hook 35, and the screw S held by the holding cylinder portion 56 is screwed by the driver. It is positioned at the driving position opposite to the tip of the bit 7. In this state, when the sliding member 2 is further pushed into the casing 1 while compressing the return spring 5, the pin 32 simply moves along the guide slot 43 and the operating shaft 3
1 does not rotate. On the other hand, this pushing operation causes the driver bit 7 to relatively advance, engage with the screw S positioned and held at the driving position, and drive the driving bit 7 into the driven member while rotating it. Has become. When the driving of the screw S is completed and the sliding member 2 is separated from the driven member, the sliding member 2 returns to the original posture shown in FIGS. While moving the inclined guide slot 42, the operating shaft 31 is rotated 60 degrees in the direction opposite to the arrow A in FIG. 6 to return to the original state. At this time, only the operation shaft 31 idles due to the action of the one-way clutch 33, and the ratchet wheel 34 is locked and held by the two spheres 40, 40 engaged with the two engagement recesses 37, 37 and stopped at the fixed position. The state that has been maintained.
【0017】実際のねじ打込み作業では、図1及び図2
に示すように、打込み位置に位置決めされたねじSが摺
動部材2の先端から突出するので、ねじSの長さに対応
して摺動部材2の先端から突出する長さを加減調整でき
るねじ長さ調整アダプタ45が摺動部材2に取り付けら
れる。FIGS. 1 and 2 show the actual screw driving operation.
Since the screw S positioned at the driving position protrudes from the distal end of the sliding member 2 as shown in FIG. 5, the screw protruding from the distal end of the sliding member 2 can be adjusted according to the length of the screw S. The length adjustment adapter 45 is attached to the sliding member 2.
【0018】該ねじ長さ調整アダプタ45は、図4に示
すように、長手方向へ延びる長孔47を設けた板状体4
6の先端に二股状の当接部片48が設けられたL字形に
形成されており、板状体46の両側縁に沿って半円形状
の係止突部49が多数並列して設けられている。一方、
摺動部材2の上面には板状体46を長手方向へ変位可能
に案内係合する扁平な係合溝50が設けられ、該係合溝
50の相対向する内側壁に係止突部49が係合する半円
形状の凹部51が多数並列して設けられている。そし
て、板状体46を係合溝50に係合させ、ねじSの長さ
に応じて当接部片48の突出量を調節したのち、長孔4
7に挿通した蝶ボルト52でアダプタ45を摺動部材2
に固定するようになっている。その際、板状体46の両
側の係止突部49が係合溝50の凹部51に係合してい
るので、板状体46はがた付くことなく強固に固定され
る。また、ねじ長さ調整アダプタ45は摺動部材2に送
られるねじ保持ベルト55と干渉しないので、その突出
量の調節が容易かつ迅速に行なえる。As shown in FIG. 4, the screw length adjusting adapter 45 has a plate-like body 4 provided with a long hole 47 extending in the longitudinal direction.
6 has an L-shape with a forked contact piece 48 at the tip
A large number of semicircular locking projections 49 are provided in parallel along both side edges of the plate-like body 46. on the other hand,
On the upper surface of the sliding member 2, flat engagement grooves 50 for guiding and engaging the plate-like body movably in the longitudinal direction are provided, and engagement projections 49 are formed on opposed inner walls of the engagement grooves 50. Are provided in parallel with each other. Then, after the plate-like body 46 is engaged with the engagement groove 50 and the amount of protrusion of the contact piece 48 is adjusted according to the length of the screw S, the long hole 4
The adapter 45 is connected to the sliding member 2 with the wing bolt 52 inserted through
To be fixed. At this time, since the locking projections 49 on both sides of the plate-like body 46 are engaged with the concave portions 51 of the engagement grooves 50, the plate-like body 46 is firmly fixed without rattling. Further, since the screw length adjusting adapter 45 does not interfere with the screw holding belt 55 sent to the sliding member 2, the amount of protrusion can be easily and quickly adjusted.
【0019】[0019]
【発明の効果】以上説明したように、本発明のねじ打込
み装置は、前記ケーシングに、前記摺動部材が該ケーシ
ング内に押し込まれるのを停止する摺動部材停止手段を
設けたので、前記摺動部材の復帰ばねのばね圧を小さく
して、前記摺動部材が前記ケーシング内に押し込まれる
時の圧縮抵抗を軽減させることにより、短いねじから長
いねじまで広い範囲のねじに使用できるようにしても、
該ねじ打込み装置の不使用時に前記摺動部材停止手段を
作動しておけば、前記摺動部材が他物に当接するなどに
よって、不測に押し込まれるおそれは全くない。しか
も、前記復帰ばねのばね圧を小さくすることで、長いね
じの場合で作業者に大きな負担をかけることなく連続し
て打込み作業が行なえるものである。As described above, in the screw driving device according to the present invention, the casing is provided with the sliding member stopping means for stopping the sliding member from being pushed into the casing. By reducing the spring pressure of the return spring of the moving member and reducing the compression resistance when the sliding member is pushed into the casing, the sliding member can be used for a wide range of screws from short screws to long screws. Also,
If the sliding member stopping means is operated when the screw driving device is not used, there is no possibility that the sliding member may be accidentally pushed by contact with another object. In addition, by reducing the spring pressure of the return spring, the driving operation can be performed continuously without imposing a large burden on the operator in the case of a long screw.
【0020】また、請求項3に係る発明によれば、前記
調整リングの調整量を大幅に増大することなく、したが
って前記調整リングを含むねじ打込み装置全体の長さを
増大することなく、前記ケーシングに対する前記摺動部
材の押し込み深さ、すなわち前記ドライバビットのねじ
込み深さが広範囲で調整できる。 According to the third aspect of the present invention,
Without greatly increasing the adjustment amount of the adjustment ring,
The entire length of the screw driving device including the adjusting ring
The sliding part with respect to the casing without increasing
Depth of material, that is, screw of the driver bit
The penetration depth can be adjusted over a wide range.
【0021】さらに、請求項4に係る発明によれば、前
記ねじ長さ調整アダプタの調節が容易かつ迅速に行な
え、しかも、前記調整アダプタを前記摺動部材にがた付
くことなく強固に固定できる。 Further, according to the fourth aspect of the present invention,
Easy and quick adjustment of the screw length adjustment adapter
In addition, the adjusting adapter is attached to the sliding member.
It can be firmly fixed without any need.
【図面の簡単な説明】[Brief description of the drawings]
【図1】本発明に係るねじ打込み装置の正面図である。FIG. 1 is a front view of a screw driving device according to the present invention.
【図2】同平面図である。FIG. 2 is a plan view of the same.
【図3】同要部の底面図である。FIG. 3 is a bottom view of the essential part.
【図4】図1の4−4線に沿う拡大断面図である。FIG. 4 is an enlarged sectional view taken along line 4-4 in FIG.
【図5】同摺動部材の縦断拡大正面図である。FIG. 5 is a longitudinally enlarged front view of the sliding member.
【図6】図5の6−6線に沿う断面図である。FIG. 6 is a sectional view taken along line 6-6 in FIG. 5;
【図7】同ねじ長さ調整アダプタの斜視図である。FIG. 7 is a perspective view of the screw length adjustment adapter.
【図8】同摺動部材の後端部に設けるストップ杆の取付
け状態を示す要部縦断面図である。FIG. 8 is a vertical sectional view of a main part showing a mounting state of a stop rod provided at a rear end of the sliding member.
【符号の説明】 1 ケーシング 2 摺動部材 3 ばね受け筒 5 復帰ばね 7 ドライバビット 8 案内通路 13 ストッパ杆 15 調整リング 20 摺動部材停止装置 21 筒状体 22 ストッパピン 30 ねじ保持ベルト送り機構 31 作動軸 32 ピン 33 一方向クランチ 34 爪車 35 送り爪 37 係合凹部 40 球体 41 ガイド溝 42 傾斜ガイドスロット 43 ガイドスロット 45 ねじ長さ調整アダプタ 48 当接部片[Description of Signs] 1 casing 2 sliding member 3 spring receiving cylinder 5 return spring 7 driver bit 8 guide passage 13 stopper rod 15 adjusting ring 20 sliding member stopping device 21 cylindrical body 22 stopper pin 30 screw holding belt feed mechanism 31 Actuating shaft 32 Pin 33 One-way crunch 34 Claw wheel 35 Feeding claw 37 Engagement concave part 40 Sphere 41 Guide groove 42 Inclined guide slot 43 Guide slot 45 Screw length adjustment adapter 48 Contact piece
Claims (4)
筒状のケーシングと、該ケーシング内に復帰ばねを介し
て摺動自在に嵌挿される摺動部材と、該摺動部材に設け
られ、ねじ保持ベルトをねじ保持間隔の1ピッチずつ送
るねじ保持ベルト送り機構とを備え、 前記摺動部材を被打込み部材に押し当て、該摺動部材が
前記復帰ばねに抗して前記ケーシング内に押し込まれた
ときに、前記ねじ保持ベルト送り機構が作動して前記ね
じ保持ベルトを1ピッチだけ送り、続いて前記ドライバ
工具に装着されたドライバビットによって、前記ねじ保
持ベルトに保持され打込み位置に送られたねじを前記被
打込み部材に打ち込むようになっているねじ打込み装置
において、 前記ケーシングに、前記摺動部材が該ケーシング内に押
し込まれるのを停止する摺動部材停止手段が設けられて
いることを特徴とするねじ打込み装置。1. A cylindrical casing attached to a distal end portion of a driver tool, a sliding member slidably inserted into the casing via a return spring, and a screw holding member provided on the sliding member. A screw holding belt feeding mechanism for feeding the belt by one pitch of the screw holding interval, wherein the sliding member is pressed against the driven member, and the sliding member is pushed into the casing against the return spring. At this time, the screw holding belt feeding mechanism operates to feed the screw holding belt by one pitch, and then the screw held by the screw holding belt and sent to the driving position by the driver bit attached to the driver tool. Wherein the sliding member is stopped from being pushed into the casing by the casing. Screw setting tool, characterized in that the dynamic member stop means are provided.
グ内に突出自在のピンであって、その突出時に前記摺動
部材の後端に当接するように設けられている請求項1記
載のねじ打込み装置。2. The screw according to claim 1, wherein said sliding member stopping means is a pin which can protrude into said casing, and is provided so as to come into contact with a rear end of said sliding member when protruding. Driving device.
先端部に設けられ該摺動部材を左右方向へ横切って延び
る案内通路に沿って送られるように構成されていて、一
方、前記ねじ保持ベルトに保持されたねじの長さに対応
して前記摺動部材の先端からの突出量を変更するねじ長
さ調整アダプタが、前記摺動部材の上面に沿って長手方
向へ変位可能に取り付けられている請求項1又は2記載
のねじ打込み装置。3. The screw holding belt is provided at a distal end portion of the sliding member and is configured to be fed along a guide passage extending transversely to the sliding member in the left-right direction. A screw length adjusting adapter for changing the amount of protrusion from the tip of the sliding member in accordance with the length of the screw held by the holding belt is attached so as to be displaceable in the longitudinal direction along the upper surface of the sliding member. The screw driving device according to claim 1 or 2, wherein the screw driving device is provided.
前記ドライバビットのねじ込み深さが、前記ケーシング
の後端部に連結した円筒部に螺着された調整リングの位
置変更と、前記摺動部材の後端部に取り付けたストッパ
杆の長さ調整との併用によって、調整可能に構成されて
いる請求項1ないし3のいずれかに記載のねじ打込み装
置。4. The push-in depth of the sliding member, that is, the screw-in depth of the driver bit, changes the position of an adjusting ring screwed to a cylindrical portion connected to a rear end of the casing, 4. The screw driving device according to claim 1, wherein the screw driving device is configured to be adjustable by using the stopper rod attached to the rear end of the member together with the length of the stopper rod.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15029397A JPH10329049A (en) | 1997-05-23 | 1997-05-23 | Screw driving device |
AU45147/97A AU4514797A (en) | 1997-05-23 | 1997-11-11 | Apparatus for striking and driving screws |
DE1997150557 DE19750557A1 (en) | 1997-05-23 | 1997-11-14 | Self-tapping screw placer device used with screw driver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15029397A JPH10329049A (en) | 1997-05-23 | 1997-05-23 | Screw driving device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH10329049A true JPH10329049A (en) | 1998-12-15 |
Family
ID=15493835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15029397A Pending JPH10329049A (en) | 1997-05-23 | 1997-05-23 | Screw driving device |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPH10329049A (en) |
AU (1) | AU4514797A (en) |
DE (1) | DE19750557A1 (en) |
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JP2003191179A (en) * | 2001-12-13 | 2003-07-08 | Hilti Ag | Screw driver device for head tool device |
US8382414B2 (en) | 2010-01-11 | 2013-02-26 | National Nail Corp. | Threaded fastener and related method of installation |
US8480343B2 (en) | 2010-01-13 | 2013-07-09 | National Nail Corp. | Fastener, installation tool and related method of use |
US8955210B2 (en) | 2010-01-13 | 2015-02-17 | National Nail Corp. | Fastener, installation tool and related method of use |
US9120214B2 (en) | 2010-01-13 | 2015-09-01 | National Nail Corp. | Fastener, installation tool and related method of use |
US9144896B2 (en) | 2010-01-13 | 2015-09-29 | National Nail Corp. | Fastener, installation tool and related method of use |
US9802300B2 (en) | 2010-01-13 | 2017-10-31 | National Nail Corp. | Fastener, installation tool and related method of use |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10050281A1 (en) * | 2000-10-10 | 2002-04-11 | Hilti Ag | screwing |
-
1997
- 1997-05-23 JP JP15029397A patent/JPH10329049A/en active Pending
- 1997-11-11 AU AU45147/97A patent/AU4514797A/en not_active Abandoned
- 1997-11-14 DE DE1997150557 patent/DE19750557A1/en not_active Ceased
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JP4526229B2 (en) * | 2001-12-13 | 2010-08-18 | ヒルティ アクチエンゲゼルシャフト | Screwdriver for hand tool device |
US8382414B2 (en) | 2010-01-11 | 2013-02-26 | National Nail Corp. | Threaded fastener and related method of installation |
US8925644B2 (en) | 2010-01-13 | 2015-01-06 | National Nail Corp. | Fastener, installation tool and related method of use |
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Also Published As
Publication number | Publication date |
---|---|
AU4514797A (en) | 1998-11-26 |
DE19750557A1 (en) | 1998-11-26 |
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