JPH10156741A - Screw sucking and holding device of power driver - Google Patents

Screw sucking and holding device of power driver

Info

Publication number
JPH10156741A
JPH10156741A JP32418296A JP32418296A JPH10156741A JP H10156741 A JPH10156741 A JP H10156741A JP 32418296 A JP32418296 A JP 32418296A JP 32418296 A JP32418296 A JP 32418296A JP H10156741 A JPH10156741 A JP H10156741A
Authority
JP
Japan
Prior art keywords
screw
suction
head
movable sleeve
suction head
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.)
Withdrawn
Application number
JP32418296A
Other languages
Japanese (ja)
Inventor
Kiyoshi Ogata
清 尾方
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KATO SEIKI KK
Original Assignee
KATO SEIKI KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KATO SEIKI KK filed Critical KATO SEIKI KK
Priority to JP32418296A priority Critical patent/JPH10156741A/en
Publication of JPH10156741A publication Critical patent/JPH10156741A/en
Withdrawn legal-status Critical Current

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  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a screw sucking and holding device of a power driver which has a function whereby fastening can be done even by one hand by adding a simple mechanism to permit even a small screw made of a nonmagnetic material to be held against a driver bit. SOLUTION: A power driver, which is so designed that a driver bit 5 can be attached thereto in such a way that tightening torque can be adjusted and that it can be replaced, includes a suction head 11 anchored to a torque adjustment holder 2, a movable sleeve 13 having its rear half fitted into the suction head 11, and projecting forward in a coil spring 14 in such way that its amount of projection can be set, and a sucking and holding cylinder 18 having a bore such that the head 31 of a small screw handled can be fitted into the end of the movable sleeve 13, and replaceably attached while matching the size of the small screw. The suction head 11, the movable sleeve 13, and the sucking and holing cylinder 18 are placed on the same axis, and a suction device is separately connected to the side of the suction head 11 by a hose to produce negative pressure within the sucking and holding cylinder 18, thereby enabling the head 31 of the small screw to be sucked and held against the driver bit 5.

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、電動ドライバーも
しくはエアドライバーのネジドライブビットに、ねじ込
みもしくは取り外し操作を行う小ネジ類の頭部を確実に
保持して作業が行えるようにする動力式ドライバーのネ
ジ吸着保持装置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power type screwdriver for an electric screwdriver or an air screwdriver, which is capable of securely holding the heads of small screws for screwing or unscrewing. The present invention relates to a screw suction holding device.

【0002】[0002]

【従来の技術】従来、一般に機器などの組立作業を行う
に際して、小ネジ類をねじ込んで締結組立を行うのに、
その都度小ネジを手指で持って取り付け部に装着する操
作では作業性が悪いので、締め付け具として使用される
電動ドライバー(またはエアドライバー)のビット先端
部を磁化したものが汎用されている。このような磁化さ
れたドライバービットであれば、予め使用する所要寸法
の小ネジ類を取り出し容易に整列させて収容してあるト
レー上の小ネジの頭部に、そのドライバービットを近づ
けて磁力で吸着してそのまま目的の締結部に小ネジを運
んで押し付ければ後はドライバーを駆動させるだけで締
結操作が迅速に行えることになる。
2. Description of the Related Art Conventionally, in general, when assembling equipment or the like, it is necessary to screw in small screws to perform fastening assembly.
Since the workability is poor in the operation of holding the small screw with the finger each time and attaching it to the mounting portion, an electric screwdriver (or an air screwdriver) used as a fastener is magnetized at the bit tip of the bit. With such a magnetized driver bit, the driver bit is brought close to the head of the small screw on the tray, which is easily aligned by taking out the small screws of the required dimensions to be used in advance, and magnetic force is applied. If a small screw is conveyed and pressed against the intended fastening portion as it is sucked, the fastening operation can be quickly performed only by driving the driver.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、前述の
ような動力式のドライバーにあっても使用される小ネジ
類が例えば黄銅製やステンレス製小ネジのように非磁性
体の材料によって作られたものであると、磁力を有する
ドライバービットが使用できないので、従来の手作業に
よる場合と同様に締結操作のたびに片方の手で小ネジを
締め付け部にあてがって保持しながら他方の手でドライ
バーを操作して締め付けねばならない。そのために、締
結時に作業者が取り付ける部品などを手で押さえるなど
の操作を必要とする場合には、1人での作業が困難で無
理な作業条件となるか、あるいは2人での作業となる。
このような作業では、当然、作業能率が低下するのを避
けることができない。
However, the small screws used in the above-mentioned power driver are made of a non-magnetic material such as brass or stainless steel small screws. If it is not possible to use a screwdriver bit with magnetic force, use one hand to hold the screwdriver against the tightening part and hold the screwdriver with the other hand each time the fastening operation is performed, as in the case of the conventional manual operation It has to be operated and tightened. Therefore, when an operation such as manually pressing a component to be attached by a worker at the time of fastening is required, work by one person is difficult and unreasonable work conditions are required, or work by two people is required. .
In such an operation, it is inevitable that the operation efficiency is reduced.

【0004】本発明では、このような問題点を解決し
て、簡単な機構を付帯させて非磁性体にてなる小ネジ類
であってもドライバービットに保持させて、片手で締め
付け操作が行える機能を備えた動力式ドライバーのネジ
吸着保持装置を提供することを目的とするものである。
According to the present invention, such a problem is solved, and a simple mechanism is attached to the screwdriver so that even small screws made of a non-magnetic material can be held by a driver bit and tightened with one hand. An object of the present invention is to provide a screw suction holding device for a power type driver having a function.

【0005】[0005]

【課題を解決するための手段】このような目的を達成す
るために、本発明による動力式ドライバーのネジ吸着保
持装置は、締め付けトルク調整可能かつ交換可能にドラ
イバービットを装着できるようにされる動力式のドライ
バーにおいて、トルク調整ホルダーに定着される吸引ヘ
ッドと、この吸引ヘッドの内部に後半部を嵌挿されて突
き出し量を設定可能に弾性体にて前方に突き出される可
動スリーブと、この可動スリーブの先端部に取扱小ネジ
類の頭部が受け入れられる内径でその小ネジ類の寸法に
応じて交換可能に取り付く吸引保持筒とを含み、これら
吸引ヘッド,可動スリーブ及び吸引保持筒は同軸心線上
に配され、前記吸引ヘッドの側部に別途吸引装置とホー
スで繋がれて前記吸引保持筒内を負圧にしてドライバー
ビットに小ネジ類の頭部を吸着保持できる構成であるこ
とを特徴とするものである。
SUMMARY OF THE INVENTION In order to achieve the above object, a screw suction holding device for a power screwdriver according to the present invention is provided. In the driver of the type, a suction head fixed to the torque adjustment holder, a movable sleeve which is inserted into the rear of the suction head and is projected forward by an elastic body so that the amount of projection can be set, and A suction holding tube having an inside diameter capable of receiving the head of the handling machine screw at the tip end of the sleeve and being exchangeably attached in accordance with the size of the machine screw; these suction head, movable sleeve and suction holding tube are coaxial; A screw is separately connected to a side of the suction head by a suction device and a hose, and a negative pressure is applied to the inside of the suction holding cylinder to make a screwdriver screw. The head is characterized in that it is configured to hold the adsorption.

【0006】本発明において、前記可動スリーブは、後
端部外周に鍔が形成され、この鍔より前に、前記吸引ヘ
ッドの前部内周に形成された雌ねじ部と螺合する外周に
ネジを有する調整スリーブが遊嵌され、吸引ヘッド先端
に係合するロックナットによって、この調整スリーブに
よる可動スリーブ直結の吸引保持筒のドライバービット
に対する突き出し量を調整できるようにされるのが好ま
しい。
In the present invention, the movable sleeve has a flange formed on an outer periphery of a rear end portion, and has a screw on an outer periphery which is screwed with a female screw portion formed on a front inner periphery of the suction head before the flange. Preferably, the adjustment sleeve is loosely fitted and the lock nut engaged with the tip of the suction head can adjust the amount of protrusion of the suction holding cylinder directly connected to the movable sleeve by the adjustment sleeve with respect to the driver bit.

【0007】[0007]

【作用】このように構成される本発明のネジ吸着保持装
置によれば、吸引ヘッドに接続される吸引装置を作動さ
せてこの吸引ヘッド内を負圧状態にすれば、この吸引ヘ
ッドに連なる可動スリーブ内から吸引保持筒内が負圧に
なり、その吸引保持筒と内部のドライバービットとの隙
間から空気が吸い込まれる。この状態で、動力式のドラ
イバーを持って予め供給トレー上に整列収容されている
小ネジに対して吸引保持筒をあてがい、ドライバービッ
トの先をその小ネジ頭部の溝(プラスまたはマイナスの
溝)に押し付ければ、吸引保持筒内で流動する気流によ
り小ネジの頭部が吸引保持される。したがって、小ネジ
が非磁性体であっても磁性体の場合と同様にしてドライ
バービットとともに締結箇所まで移動して目的箇所にあ
てがってドライバーを押し付けると自動的にスイッチが
入ってモータが起動し、ドライバービットの回転で保持
している小ネジをねじ込んで締結作業ができるのであ
る。
According to the screw suction holding device of the present invention thus constructed, if the suction device connected to the suction head is operated to bring the inside of the suction head into a negative pressure state, the movable device connected to the suction head is movable. The inside of the suction holding cylinder becomes negative pressure from inside the sleeve, and air is sucked through the gap between the suction holding cylinder and the internal driver bit. In this state, apply the suction holding cylinder to the machine screws pre-aligned on the supply tray with the power-type screwdriver, and insert the tip of the driver bit into the groove (plus or minus groove) in the machine screw head. ), The head of the small screw is sucked and held by the airflow flowing in the suction holding cylinder. Therefore, even if the small screw is a non-magnetic material, it moves to the fastening point together with the driver bit in the same way as the case of the magnetic material, hits the target point and presses the driver, the switch is automatically turned on and the motor starts up, The screw can be tightened by screwing the small screw that is held by the rotation of the driver bit.

【0008】[0008]

【発明の実施の形態】次に、本発明の動力式ドライバー
のネジ吸着保持装置について、その一実施例装置を図面
を参照しつつ説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a screw suction holding device for a power driver according to the present invention will be described with reference to the drawings.

【0009】図1に示されるのは、本実施例に係る動力
式ドライバーのネジ吸着保持装置の要部を表す断面図で
ある。図2は本実施例のネジ吸着保持装置によって小ネ
ジが保持される態様を示す要部の拡大断面図である。図
3は本実施例のネジ吸着保持装置により小ネジが組立箇
所にねじ込まれる態様を示す図である。
FIG. 1 is a sectional view showing a main part of a screw suction holding device of a power driver according to the present embodiment. FIG. 2 is an enlarged sectional view of a main part showing a mode in which a small screw is held by the screw suction holding device of the present embodiment. FIG. 3 is a diagram showing a mode in which a small screw is screwed into an assembly place by the screw suction holding device of the present embodiment.

【0010】本実施例における動力式のドライバー1は
周知の電動式ドライバーで、締め付けトルクが設定でき
る機能を備えている。このような電動式ドライバーのト
ルク調整ホルダー2にフランジ継手2’が設けられ、こ
のフランジ継手2’を介してネジ吸着保持装置10が固
着連結される。なお、このネジ吸着保持装置10は、電
動式ドライバーの軸心線上に同軸心で装着されている。
The power driver 1 in the present embodiment is a known electric driver and has a function of setting a tightening torque. A flange joint 2 'is provided on the torque adjustment holder 2 of such an electric screwdriver, and the screw suction holding device 10 is fixedly connected via the flange joint 2'. The screw suction holding device 10 is mounted coaxially on the axis of the electric driver.

【0011】ネジ吸着保持装置10は、前記トルク調整
ホルダー2のフランジ継手2’に直結される吸引ヘッド
11と、この吸引ヘッド11に基部を嵌挿されて進退可
能な可動スリーブ13と、この可動スリーブ13の先端
に装着される吸引保持筒18及び可動スリーブ13を介
してその吸引保持筒18がドライバービット5の端から
突き出す量を調整する調整機構15とを備えている。そ
して、ドライバービット5は前記トルク調整ホルダー2
によってシャンク部を着脱可能に支持されるドライバー
ホルダー7にて取り替え可能に支持されて軸心線上に装
着されている。
The screw suction holding device 10 includes a suction head 11 directly connected to the flange joint 2 ′ of the torque adjustment holder 2, a movable sleeve 13 having a base inserted into the suction head 11 and capable of moving forward and backward. An adjustment mechanism 15 is provided to adjust the amount of the suction holding cylinder 18 protruding from the end of the driver bit 5 via the movable holding sleeve 18 and the suction holding cylinder 18 mounted on the tip of the sleeve 13. The screwdriver bit 5 is connected to the torque adjustment holder 2.
The shank is detachably supported by a driver holder 7 which is detachably supported, and is mounted on the axis.

【0012】前記吸引ヘッド11は、筒状をして、回転
部が内部で回転自在な空間を形成し、先端部の内周面に
ドライバーの回転方向と逆方向の雌ネジ12が先端から
適宜長さ設けてある。そして、中間部側面には吸引口2
1を設けて吸引装置に接続できる配管継手22が取り付
けられ、この配管継手22からチューブ23によって所
要箇所に設けられる公知の吸引装置(図示せず)に接続
される。
The suction head 11 has a cylindrical shape, and a rotating portion forms a rotatable space therein, and a female screw 12 in a direction opposite to the rotation direction of the driver is formed on the inner peripheral surface of the tip portion from the tip. Length is provided. And the suction port 2
1, a pipe joint 22 that can be connected to a suction device is attached, and the pipe joint 22 is connected by a tube 23 to a known suction device (not shown) provided at a required location.

【0013】可動スリーブ13は、前記吸引ヘッド11
の内部に後半部を嵌挿され、その後半部後端には鍔1
3’が形成され、突出する先端部13”のネジ穴13a
に吸引保持筒18の基端18’が螺合接続されている。
そして、可動スリーブ13が外周部には後端を前記鍔1
3’にて受け止められる調整スリーブ16が遊嵌され、
この調整スリーブ16の外周に設けられるネジ部16’
が前記吸引ヘッド11に設けられる雌ネジ12に螺合し
て前記可動スリーブ13の抜け出さないように関係付け
られている。なお、この調整スリーブ16の吸引ヘッド
11から突き出している部分のネジ部16’には、ロッ
クナット17が螺合して、このロックナット17を前記
吸引ヘッド11の先端と係合させることによって、調整
スリーブ16の位置を保持させるようになっている。こ
れら調整スリーブ16とロックナット17と前記可動ス
リーブ13の雌ネジ12とによって調整機構15が構成
される。
The movable sleeve 13 is provided on the suction head 11.
The rear part is inserted into the inside of the
3 ′ is formed, and a screw hole 13a of a protruding tip portion 13 ″ is formed.
The base end 18 'of the suction holding cylinder 18 is screwed and connected.
The movable sleeve 13 has a rear end on the outer periphery,
The adjustment sleeve 16 received at 3 ′ is loosely fitted,
A screw portion 16 ′ provided on the outer periphery of the adjustment sleeve 16
Are screwed into a female screw 12 provided in the suction head 11 so that the movable sleeve 13 does not come off. Note that a lock nut 17 is screwed into a screw portion 16 ′ of the adjustment sleeve 16 protruding from the suction head 11, and the lock nut 17 is engaged with the tip of the suction head 11, whereby The position of the adjustment sleeve 16 is held. The adjusting mechanism 15 is configured by the adjusting sleeve 16, the lock nut 17, and the female screw 12 of the movable sleeve 13.

【0014】このように吸引ヘッド11内に後半部を挿
入する可動スリーブ13の後端と前記トルク調整ホルダ
ー2に支持される回転部のボス4先端との間には、弾性
体として限定されないがもっとも好ましい例としてこの
実施例ではコイルスプリング14が介在され、このコイ
ルスプリング14によって可動スリーブ13が突き出さ
れる方向に付勢されている。
As described above, the elastic body is not limited to an elastic body between the rear end of the movable sleeve 13 into which the rear half is inserted into the suction head 11 and the front end of the boss 4 of the rotating part supported by the torque adjustment holder 2. As a most preferable example, in this embodiment, a coil spring 14 is interposed, and the movable spring 13 is urged by the coil spring 14 in a direction in which the movable sleeve 13 protrudes.

【0015】前記吸引保持筒18は、前述のように可動
スリーブ13の先端部のネジ穴13aに基端部の雄ねじ
18’を螺合させて軸心線を合致させて着脱可能に取り
付けられ、前半部は薄肉の筒部18”にされて内部に取
扱対象となる寸法の小ネジ類の頭部31が受け入れられ
る寸法に形成されている。なお、この内径寸法は前記対
象の小ネジ類の頭部31の外径より僅かに大きい寸法と
されている。なお、前半の筒部18”と基部18aとの
境界部分には前記電動式ドライバーの回転体に装着され
るドライバービット5が回転可能な挿通孔19が形成さ
れ、振れを防止できるようになっている。
The suction holding cylinder 18 is detachably mounted by screwing the male screw 18 'at the base end into the screw hole 13a at the front end of the movable sleeve 13 so as to match the axis as described above. The first half is formed as a thin cylindrical portion 18 "having a size in which the head 31 of a small screw having a size to be handled can be received. The dimensions are slightly larger than the outer diameter of the head 31. The driver bit 5 mounted on the rotating body of the electric screwdriver is rotatable at the boundary between the first half cylindrical portion 18 "and the base 18a. The insertion hole 19 is formed so that the vibration can be prevented.

【0016】このように構成された本実施例のネジ吸着
保持装置10は、公知の電動式ドライバー1の先端部に
取り付けられ、使用時には別途準備された吸引装置(例
えば小型のサクションブロワーやアスピレータなど)に
吸引ヘッド11付設の配管継手22を介して吸引口21
にチューブ23を接続し、その吸引ヘッド11内を負圧
にする。
The screw suction holding device 10 according to the present embodiment, which is configured as described above, is attached to the distal end of the known electric screwdriver 1 and is separately prepared at the time of use (for example, a small suction blower or aspirator, etc.). ) Through a pipe joint 22 provided with the suction head 11
Is connected to the tube 23, and the inside of the suction head 11 is set to a negative pressure.

【0017】この状態で吸引保持筒18を予めトレー内
に整列収容されている小ネジの頭部にあてがうと、吸引
ヘッド11内に形成される負圧によって、その吸引保持
筒18の先端部に受け入れられる小ネジの頭部31がこ
の筒部18”の内を閉じることにより吸引され、内在す
るドライバービット5の先端がその受け入れた小ネジの
頭部31に設けられる溝(プラス溝もしくはマイナス
溝)に係合される。したがって、そのまま電動式ドライ
バーを持ち上げると、丁度磁性体の小ネジが磁力を備え
るドライバービットに吸着された状態と同様になり、そ
のまま小ネジの取付部に運んで押し当てることによりド
ライバーの電源スイッチが自動的に入ってドライバービ
ット5が回転し、小ネジをねじ込むことができる。な
お、吸引保持筒18は、保持している小ネジがねじ込ま
れるにつれて、連結されている可動スリーブ13後端に
作用するコイルバネ14の推力に抗して締め付け部にあ
てがっている筒部18”の先端が押され、小ネジのねじ
込み操作が終わるまで小ネジ頭部31を覆って確実にね
じ込み操作ができる機能を発揮する。
In this state, when the suction holding cylinder 18 is applied to the head of a small screw aligned and housed in the tray in advance, a negative pressure generated in the suction head 11 causes the tip of the suction holding cylinder 18 to be The head 31 of the machine screw to be received is sucked by closing the inside of the cylindrical portion 18 ″, and the tip of the driver bit 5 existing therein is provided in the groove (plus or minus groove) provided in the head 31 of the machine screw received. Therefore, if the electric screwdriver is lifted as it is, the state is the same as the state in which the small screw made of a magnetic material is just attracted to the driver bit having the magnetic force, and is directly carried to the mounting portion of the small screw and pressed. As a result, the power switch of the driver is automatically turned on, the driver bit 5 is rotated, and the small screw can be screwed. As the held small screw is screwed in, the tip of the cylindrical portion 18 ″ applied to the tightening portion is pushed against the thrust of the coil spring 14 acting on the rear end of the connected movable sleeve 13, and the small screw is tightened. Until the screwing operation is completed, the function of covering the small screw head 31 and performing the screwing operation reliably is exhibited.

【0018】また、吸引保持筒18は、内部で回転する
ドライバービット5との関係において、その先端からド
ライバービット5先端までの寸法を、可動スリーブ13
に外嵌する調整スリーブ15を回動させて吸引ヘッド1
1の雌ネジ部12での螺合長さを加減することにより、
その可動スリーブ13を進退させて調節することがで
き、小ネジの保持条件を設定できる。要するに小ネジ頭
部31の高さが低い時には浅くして、頭部の高さが高い
場合には深くするというように調整することで、最適な
吸引保持を選定できる。なお、ロックナット17によっ
て調整スリーブ15を固定することで使用中に設定が狂
うのを防止する。
The size of the suction holding cylinder 18 from the distal end to the distal end of the driver bit 5 in relation to the driver bit 5 rotating inside is determined by the movable sleeve 13.
The suction head 1 is rotated by rotating the adjustment sleeve
By adjusting the screw length of the female screw portion 12 of
The movable sleeve 13 can be adjusted by moving it forward and backward, and the condition for holding the small screw can be set. In short, it is possible to select the optimal suction holding by adjusting the screw head to be shallow when the height of the machine screw head 31 is low and deep when the head height is high. The setting sleeve 15 is fixed by the lock nut 17 to prevent the setting from being lost during use.

【0019】また、取り扱う小ネジ類の呼び径などが変
更されるときは、その寸法に合ったドライバービット5
並びに吸引保持筒18と交換することができる。この交
換は、予め用意された所要寸法の吸引保持筒18を、可
動スリーブ13先端のネジ穴13aで取り替えて装着
し、ドライバービット5は寸法の異なるものをトルク調
整ホルダー2に連なるドライバーホルダー7にて交換装
着する。
When the nominal diameter of the small screws to be handled is changed, the driver bit 5 corresponding to the size is changed.
In addition, it can be replaced with the suction holding cylinder 18. In this exchange, a suction holding cylinder 18 of a required dimension prepared in advance is replaced with a screw hole 13a at the tip of the movable sleeve 13 and mounted, and a driver bit 5 having a different dimension is attached to the driver holder 7 connected to the torque adjustment holder 2. To replace.

【0020】以上に説明した本実施例の動力式ドライバ
ーのネジ吸着保持装置は、電動式のドライバーについて
であるが、これをエア駆動式のいわゆるエアドライバー
においても同様の構成で採用することができる。また、
取り扱う小ネジ類としてはいわゆるビス類のほか小型の
ボルトを取り扱うドライバーにも採用可能である。この
場合、締結具となるボルトの頭部を保持する手段と回転
力の伝達手段とを前述の要領で頭部を吸引保持できるよ
うにするとともに回転力の伝達ができる回転体を組み込
めばよい。
The above-described screw suction holding device of the power driver according to the present embodiment is for an electric driver, but it can be applied to an air-driven so-called air driver with the same configuration. . Also,
The small screws that can be used can be used for drivers that handle small bolts as well as so-called screws. In this case, the means for holding the head of the bolt serving as the fastener and the means for transmitting the rotational force should be able to suck and hold the head in the above-described manner and incorporate a rotating body capable of transmitting the torque.

【0021】[0021]

【発明の効果】上述のように、本発明のネジ吸着保持装
置によれば、簡単な構成で非磁性体の小ネジ類であって
も、磁性体の小ネジの場合と同様に取り扱うことがで
き、小ネジ類を使用しての機器などの組立作業に際して
何ら支障なく実施できるようになる。また、ドライバー
として従来使用されているものに付属させるだけでよい
ので、経済性も高められる。
As described above, according to the screw suction holding device of the present invention, even a non-magnetic small screw having a simple structure can be handled in the same manner as a magnetic small screw. It can be carried out without any trouble at the time of assembling equipment using small screws. In addition, since it is only necessary to attach to a driver conventionally used as a driver, economy can be improved.

【図面の簡単な説明】[Brief description of the drawings]

【図1】図1は、本発明に係る動力式ドライバーのネジ
吸着保持装置の要部を表す断面図である。
FIG. 1 is a sectional view showing a main part of a screw suction holding device of a power driver according to the present invention.

【図2】図2は、本実施例のネジ吸着保持装置によって
小ネジが保持される態様を示す要部の拡大断面図であ
る。
FIG. 2 is an enlarged cross-sectional view of a main part showing a mode in which small screws are held by the screw suction holding device of the present embodiment.

【図3】図3は、本実施例のネジ吸着保持装置により小
ネジが組立箇所にねじ込まれる態様を示す図である。
FIG. 3 is a diagram illustrating a mode in which small screws are screwed into assembly locations by the screw suction holding device according to the present embodiment;

【符号の説明】[Explanation of symbols]

1 動力式のドライバー(電動ドライバー) 2 トルク調整ホルダー 5 ドライバービット 10 ネジ吸着保持装置 11 吸引ヘッド 12 吸引ヘッドの先端部の雌ネジ部 13 可動スリーブ 13’ 可動スリーブの後端の鍔 13a 可動スリーブの先端部のネジ穴 14 コイルスプリング 15 調整機構 16 調整スリーブ 17 ロックナット 18 吸引保持筒 21 吸引ヘッドの吸引口 22 配管継手 31 小ネジの頭部 DESCRIPTION OF SYMBOLS 1 Power-driven driver (electric screwdriver) 2 Torque adjustment holder 5 Screwdriver bit 10 Screw suction holding device 11 Suction head 12 Female screw part at the tip of suction head 13 Movable sleeve 13 'Rear end flange of movable sleeve 13a Movable sleeve Screw hole at the tip 14 Coil spring 15 Adjustment mechanism 16 Adjustment sleeve 17 Lock nut 18 Suction holding cylinder 21 Suction head suction port 22 Piping joint 31 Machine screw head

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 締め付けトルク調整可能かつ交換可能に
ドライバービットを装着できるようにされる動力式ドラ
イバーにおいて、トルク調整ホルダーに定着される吸引
ヘッドと、この吸引ヘッドの内部に後半部を嵌挿されて
突き出し量を設定可能に弾性体にて前方に突き出される
可動スリーブと、この可動スリーブの先端部に使用小ネ
ジ類の頭部が受け入れられる内径で取扱小ネジ類の寸法
に応じて交換可能に取り付く吸引保持筒とを含み、これ
ら吸引ヘッド,可動スリーブ及び吸引保持筒は同軸心線
上に配され、前記吸引ヘッドの側部に別途吸引装置とホ
ースで繋がれて前記吸引保持筒内を負圧にしてドライバ
ービットに小ネジ類頭部を吸着保持できる構成であるこ
とを特徴とする動力式ドライバーのネジ吸着保持装置。
1. A power type screwdriver in which a tightening torque can be adjusted and a driver bit can be interchangeably mounted. A suction head fixed to a torque adjustment holder, and a rear half portion of which is inserted into the suction head. A movable sleeve that projects forward with an elastic body so that the amount of protrusion can be set, and an inside diameter that can receive the head of the small screw used at the tip of this movable sleeve and can be replaced according to the size of the small screw being handled The suction head, the movable sleeve and the suction holding cylinder are arranged on a coaxial line, and are separately connected to a side of the suction head by a hose and a suction device, so that the inside of the suction holding cylinder is negatively connected. A screw suction holding device for a power screwdriver, wherein the screw head is configured to be sucked and held on a driver bit by applying pressure.
【請求項2】 前記可動スリーブは、後端部外周に鍔が
形成され、この鍔より前に、前記吸引ヘッドの前部内周
に形成された雌ねじ部と螺合する外周にネジを有する調
整スリーブが遊嵌され、吸引ヘッド先端に係合するロッ
クナットによって、この調整スリーブによる可動スリー
ブ直結の吸引保持筒のドライバービットに対する突き出
し量を調整できるようにされている請求項1に記載の動
力式ドライバーのネジ吸着保持装置。
2. An adjusting sleeve having a flange formed on the outer periphery of a rear end portion of the movable sleeve, and having a screw on an outer periphery which is screwed with a female thread formed on a front inner periphery of the suction head before the flange. 2. The power screwdriver according to claim 1, wherein the adjusting nut allows the protrusion of the suction holding cylinder directly connected to the movable sleeve to the driver bit to be adjusted by a lock nut engaged with the tip of the suction head. Screw holding device.
JP32418296A 1996-12-04 1996-12-04 Screw sucking and holding device of power driver Withdrawn JPH10156741A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP32418296A JPH10156741A (en) 1996-12-04 1996-12-04 Screw sucking and holding device of power driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32418296A JPH10156741A (en) 1996-12-04 1996-12-04 Screw sucking and holding device of power driver

Publications (1)

Publication Number Publication Date
JPH10156741A true JPH10156741A (en) 1998-06-16

Family

ID=18163006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP32418296A Withdrawn JPH10156741A (en) 1996-12-04 1996-12-04 Screw sucking and holding device of power driver

Country Status (1)

Country Link
JP (1) JPH10156741A (en)

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