JPH02303772A - Tightening depth adjusting device for rotary tool - Google Patents

Tightening depth adjusting device for rotary tool

Info

Publication number
JPH02303772A
JPH02303772A JP12112889A JP12112889A JPH02303772A JP H02303772 A JPH02303772 A JP H02303772A JP 12112889 A JP12112889 A JP 12112889A JP 12112889 A JP12112889 A JP 12112889A JP H02303772 A JPH02303772 A JP H02303772A
Authority
JP
Japan
Prior art keywords
sleeve
screw
tightening depth
rotary tool
operating ring
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
Application number
JP12112889A
Other languages
Japanese (ja)
Inventor
Kunihiko Ryu
邦彦 龍
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP12112889A priority Critical patent/JPH02303772A/en
Publication of JPH02303772A publication Critical patent/JPH02303772A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To speedily vary the tightening depth by installing a releasing member for releasing the engagement between the screw member on a sleeve side and a screw in a connection part, when a sleeve is slid for the connection part. CONSTITUTION:In order to adjust the tightening depth of a rotary tool, a sleeve 1 is moved forwardly by pushing an operating ring 2 to the front side. Therefore, the inner surface rib 21 of an operating ring 2 presses only an engagement part 32 on the rear edge side of a screw piece 3, and the screw piece 3 is turned, having a crosspiece 3 set between the hole of the sleeve 1 and the hole 12 on the rear side as fulcrum, and the screw 31 of the screw piece 3 is demounted from the male screw 51 in a connection part 5. Therefore, the sleeve 1 is advanced by pushing the operating ring 2 forwardly in this state. Through this advance, the tightening depth of the rotary tool is varied. When the position of the operating ring 2 for the sleeve 1 is returned to an original. The screw piece 3 is engaged with the connection part 5 again, and the sleeve 1 is connected with the connection part 5 through the screw piece 3 and held at this position.

Description

【発明の詳細な説明】[Detailed description of the invention] 【産業上の利用分野】[Industrial application field]

本発明は電動ドライバーのような回転工具による締付深
さを調整するための締付深さ調整装置に関する。
The present invention relates to a tightening depth adjusting device for adjusting the tightening depth of a rotary tool such as an electric screwdriver.

【従来の技術】[Conventional technology]

この種の締付深さ調整装置は、回転工具に才Hするドラ
イバービットのようなツールを包囲する形で配設された
スリーブの先端が、ビスような締め付は部材が締め込ま
れる面に当接することによって2それ以上の締め付けを
防ぐものであり、締付深さの調整は、スリーブの軸方向
位置の変更で行うようになっている。 そし7て2従来の締付深さ調整装置は、回転工具側の部
材、たとえばチャックやチャックに連結保持される本体
と、このチャック乃至本体に螺合するスリーブとで構成
され、スリーブの軸方向位置の変更はチャック乃至本体
に対するスリーブの螺進退で行うようになっていた。
This type of tightening depth adjustment device has a sleeve that surrounds a tool such as a screwdriver bit used for rotating tools. The abutment prevents two or more tightening, and the tightening depth is adjusted by changing the axial position of the sleeve. 7-2 The conventional tightening depth adjusting device is composed of a member on the rotating tool side, such as a chuck or a main body that is connected and held to the chuck, and a sleeve that is threadedly engaged with the chuck or the main body. The position was changed by screwing the sleeve forward and backward relative to the chuck or main body.

【発明が解決しようとする課題】[Problem to be solved by the invention]

この場合、スリーブの軸方向位置の変更は、スリーブを
回転させることで行うわけであり、その移動量は、スリ
ーブの一回転でねじの一ピッチ分だけとなるために、締
付深さの変更量が大きい時には、スリーブを何回も回転
させなくてはならないものであり、変更に時間がかかっ
てスピーディな操作ができない。 本発明はこのような点に鑑み為されたものであり、その
目的とするところは締付深さの変更とスビーディに行う
ことができる回転工具の締付深さ調整装置を提供するに
ある。
In this case, the axial position of the sleeve is changed by rotating the sleeve, and since the amount of movement is only one pitch of the screw for one rotation of the sleeve, changing the tightening depth is necessary. When the amount is large, the sleeve must be rotated many times, and changing takes time, making speedy operation impossible. The present invention has been made in view of these points, and its purpose is to provide a tightening depth adjustment device for a rotary tool that can smoothly change the tightening depth.

【課題を解決するための手段】[Means to solve the problem]

しかして本発明は、回転工具本体側に設けられた連結部
に軸方向にスライド自在に装着されたスリーブと、この
スリーブに支持されて連結部に設けられたねじと係合す
るbじ部材と、ねじ部材と連結部のねじとの係合を解除
する解除部材とからなることに特徴を有している。 [伴用コ 本発明によれば、解除部材によって連結部材のねじとス
リーブ側のねじ部材との係合を外せば、連結部に対して
スリーブをスライドさせることができるものであり、ス
リーブの直線移動で締付深さの変更を行うことができる
。 [実tIi例] 以下本発明を図示の実施例に基づいて詳述すると、第1
図〜第4図に一実施例を示す、この締付深さ調整装置は
、円筒状であり且つ先端が円錐形に絞られているスリー
ブ1と、スリーブ1の外周面に被せられる操作リング2
と、−面側にねじ31が形成されている一対のねじ片3
,3、そしてスリーブ1の後端部に取り付けられる環状
のキャップ4とからなるもので、スリーブ1はその外周
面に軸方向に並ぶ三つの孔12.11.12が二組み形
成されている。そして、−面側にねじ31が形成されて
いる上記ねじ片3の両端には、膨らみをもった係合部3
2.32が設けられており、操作リング2は、その内周
面に一対のリブ2】221が設けられている。 上記スリーブ1は、回転工具5側の外周面に雄ねじ5I
と軸方向に長い長溝52とが形成された連結部50に被
せられて、内周面から突出させている凸リブ14′5:
長溝52に係合させることで、連結部50に対して軸方
向にスライド自在且つ回転不能とされる。 一対のねじ片3は、スリーブ1における孔11に納めら
れるとともに、孔11の前後に並んでいる孔12.12
上に両端の係合部32.32を位置させる。 環状の操作リング2は、上記ねじ片3に被さるようにし
て、スリーブ1の外周に軸方向スライドが自在な状態で
装着されるものであり、また、キャップ4はスリーブ1
の後端部に取り付けられる。 図中16はこのキャップ4を係止しておくためにスリー
ブ1に設けられた凸部である。 そして、このものにおいては、第2図に示す状態が定常
状態であり、操作リン外2内面に設けられた一対のリブ
21,21間にねじ片3が位置しており、両リプ21,
21で押圧されたねじ片3はその一面に形成されたねじ
31を回転工具側の連結部5における雄ねじ51に螺合
させている。 今、締付深さの調整のために、スリーブ1を前方へ動か
すには、操作リング2を前方側へと押せばよい、この操
作によって、操作リング2の内面のリブ21は、ねじ片
3の後端側の係合部32のみを更に押圧し、第3図に示
すように、スリーブ1の孔11と後方側の孔12との間
の桟13を支点としてねじ片3を回動させ、ねじ片3の
ねじ31を連結部5の雄ねじ51から外す、従ってこの
状態で更に操作リング2を前方へ押せば、スリーブ1が
前進する。スリーブ1に対する操作リング2の位置を元
の状態に戻せば、ねじ片3が再度連結部5と係合するた
めに、スリーブ1はねじ片3を介して連結部5に連結さ
れて、その位1を保つ。 スリーブlを後方へ動かしたい時には、操作リング2を
この方向に動かせばよい。操作リング2の移動の初期に
ねじ片3の前方側の係合部31が操作リング2のリブ2
1で押されて、スリーブ1の孔11と前方側の孔12と
の桟13を支点としてねじ片3が回動し、雄ねじ51と
ねじ片3との係合が外れ、ついでスリーブ1が後方に移
動する。 第5図〜第7図に他の実施例を示す、これはスリーブ1
の後端面に係合歯17を形成するとともに、この係合歯
16とかみ合う歯を備えたロックリング6をスリーブ1
の後端面とキャップ4との間に配したものであり、ロッ
クソング6は、ばね7によって係合歯17とかみ合う方
向に付勢されている。そして、ここにおけるスリーブ1
は、連結部5に対して軸方向スライドだけでなく、回転
も自在とされており、連結部5における長溝52には、
スリーブ1に変わってロックリング6の突起62が係合
し、ロックソング6の回転が阻止されている。 この実施例では、前記実施例と同様に操作リング2を軸
方向に移動させることでスリーブ1を前後に直進移動さ
せることができるほか、スリーブ1を回転させることで
、ねじ片3のねじ31と連結部5の雄ねじ51との螺合
による螺進退を利用した微調整も行うことができる。ま
た、この微調整にあたっては、ロックリング6とスリー
ブ1との係合が、スリーブ1の回転について抵抗を与え
るために、つまりスリーブ1を回転させる際にロックリ
ング6とスリーブ1との係合部で生じる分力によって第
7図(b)に示すようにばね7に抗してロックリング6
が後退してスリーブ1との係合が外れないことには、ス
リーブ1が回転しないことから、スリーブ1が不用意に
回転することによる締付深さ位置の使用中の変動が生じ
ることはない。 第8図及び第9図は微調整を可能とするための池の実施
例を示している。すなわち、ここではスリーブ1に対し
て回転自在となっているキャップ4に連結部5の長溝5
2と係合する凸部43を形成して、連結部5に対するキ
ャップ4の回転を不能とし、そしてスリーブ1の後端面
から後方へと突設されているとともに内面側に係合歯を
有する弾性を有するアーム18を、キャップ4に設けた
歯44と係合させている。スリーブ1を回転させること
による微調整はキャップ4と係合するアーム18が弾性
変形する時の抵抗を伴ったものとなる。微調整を可能と
した前記実施例のものと比較して、ばね7が不要であり
、またロックリング6に相当する部材であるアーム18
がスリーブ1と一体であるために、部品点数が少なくな
っているものである。
Therefore, the present invention includes a sleeve that is slidably mounted in the axial direction on a connecting portion provided on the rotary tool main body side, and a screw member that is supported by this sleeve and engages with a screw provided on the connecting portion. , is characterized in that it consists of a screw member and a release member that releases the engagement with the screw of the connecting portion. According to the present invention, the sleeve can be slid relative to the connecting portion by disengaging the screw of the connecting member and the screw member on the sleeve side using the release member, and the straight line of the sleeve can be removed. The tightening depth can be changed by moving. [Actual tIi Example] The present invention will be described in detail below based on the illustrated embodiment.
This tightening depth adjusting device, an embodiment of which is shown in FIGS. 4 to 4, includes a sleeve 1 that is cylindrical and has a conically tapered tip, and an operating ring 2 that is placed over the outer peripheral surface of the sleeve 1.
and a pair of screw pieces 3 with a screw 31 formed on the negative side.
, 3, and an annular cap 4 attached to the rear end of the sleeve 1. The sleeve 1 has two sets of three holes 12, 11, and 12 arranged in the axial direction on its outer peripheral surface. At both ends of the threaded piece 3, which has a thread 31 formed on the negative side, an engaging portion 3 with a bulge is provided.
2.32, and the operating ring 2 is provided with a pair of ribs 221 on its inner peripheral surface. The sleeve 1 has a male thread 5I on the outer peripheral surface on the rotary tool 5 side.
A convex rib 14'5 that is placed over the connecting portion 50 in which a long groove 52 long in the axial direction is formed and protrudes from the inner circumferential surface:
By engaging with the long groove 52, it is made slidable in the axial direction with respect to the connecting portion 50, but not rotatable. A pair of screw pieces 3 are housed in a hole 11 in the sleeve 1, and holes 12 and 12 are arranged in front and behind the hole 11.
The engaging portions 32, 32 at both ends are positioned above. The annular operation ring 2 is attached to the outer periphery of the sleeve 1 so as to be able to slide freely in the axial direction so as to cover the screw piece 3, and the cap 4 is attached to the sleeve 1.
Attached to the rear end of the In the figure, reference numeral 16 denotes a convex portion provided on the sleeve 1 to retain the cap 4. In this case, the state shown in FIG. 2 is a steady state, in which the screw piece 3 is located between a pair of ribs 21, 21 provided on the inner surface of the outer 2 of the operating ring, and both lips 21,
The thread 31 formed on one surface of the threaded piece 3 pressed at 21 is screwed into the male thread 51 of the connecting portion 5 on the rotary tool side. Now, in order to move the sleeve 1 forward in order to adjust the tightening depth, all you have to do is push the operating ring 2 forward. By this operation, the rib 21 on the inner surface of the operating ring 2 Only the rear end side engaging portion 32 is further pressed, and the screw piece 3 is rotated using the crosspiece 13 between the hole 11 of the sleeve 1 and the rear side hole 12 as a fulcrum, as shown in FIG. , remove the screw 31 of the screw piece 3 from the male screw 51 of the connecting portion 5. Therefore, if the operating ring 2 is further pushed forward in this state, the sleeve 1 will move forward. When the operating ring 2 is returned to its original position with respect to the sleeve 1, the threaded piece 3 engages with the connecting part 5 again, so that the sleeve 1 is connected to the connecting part 5 via the threaded piece 3 and remains in that position. Keep 1. When it is desired to move the sleeve l backwards, the operating ring 2 can be moved in this direction. At the beginning of the movement of the operating ring 2, the front engaging portion 31 of the screw piece 3 engages with the rib 2 of the operating ring 2.
1, the threaded piece 3 rotates around the crosspiece 13 between the hole 11 of the sleeve 1 and the front hole 12, and the male screw 51 disengages from the threaded piece 3, and then the sleeve 1 moves backward. Move to. Another embodiment is shown in FIGS. 5 to 7, which is the sleeve 1.
Engaging teeth 17 are formed on the rear end surface, and a lock ring 6 equipped with teeth that mesh with the engaging teeth 16 is attached to the sleeve 1.
The locking song 6 is disposed between the rear end surface and the cap 4, and the locking song 6 is biased by a spring 7 in the direction of meshing with the engagement teeth 17. And sleeve 1 here
is capable of not only sliding in the axial direction but also rotating with respect to the connecting part 5, and the long groove 52 in the connecting part 5 has a
The protrusion 62 of the lock ring 6 engages instead of the sleeve 1, and the rotation of the lock song 6 is prevented. In this embodiment, similarly to the previous embodiment, by moving the operation ring 2 in the axial direction, the sleeve 1 can be moved linearly back and forth, and by rotating the sleeve 1, the thread 31 of the screw piece 3 can be moved. Fine adjustment can also be performed by utilizing the forward and backward movement of the male screw 51 of the connecting portion 5. In addition, in making this fine adjustment, the engagement between the lock ring 6 and the sleeve 1 is such that the engagement between the lock ring 6 and the sleeve 1 provides resistance to the rotation of the sleeve 1. As shown in FIG. 7(b), the lock ring 6 is pushed against the spring 7 by
Since the sleeve 1 does not rotate, the tightening depth position does not change during use due to inadvertent rotation of the sleeve 1. . Figures 8 and 9 show embodiments of ponds to allow fine adjustment. That is, here, the cap 4, which is rotatable with respect to the sleeve 1, has the long groove 5 of the connecting portion 5.
A convex portion 43 that engages with the sleeve 2 is formed to make it impossible for the cap 4 to rotate with respect to the connecting portion 5. The arm 18 having a . Fine adjustment by rotating the sleeve 1 is accompanied by resistance when the arm 18 engaging with the cap 4 is elastically deformed. Compared to the embodiment described above, which allows fine adjustment, the spring 7 is unnecessary, and the arm 18, which is a member corresponding to the lock ring 6, is not required.
Since it is integrated with the sleeve 1, the number of parts is reduced.

【発明の効果】【Effect of the invention】

以上のように本発明においては、解除部材によって連結
部材のねじとねじ部材との係合を外せば、連結部に対し
てスリーブをスライドさせることができるものであり、
スリーブの直線移動で締付深さの変更を行うことができ
るために、スリーブを回転させて螺合部の螺進退でスリ
ーブを進退させるものに比して、締付深さの変更をスピ
ーディに行うことができるものである。
As described above, in the present invention, the sleeve can be slid with respect to the connecting portion by disengaging the screw of the connecting member from the threaded member using the release member.
Since the tightening depth can be changed by linearly moving the sleeve, the tightening depth can be changed more quickly than by rotating the sleeve and moving the sleeve forward and backward by screwing the threaded part forward and backward. It is something that can be done.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明一実施例の分解斜視図、第2図は同上の
縦断面図、第3図は同上の作用を示す部分縦断面図、第
4図は同上の横断面図、第5図は他の実施例の縦断面図
、第6図は同上の横断面図、第7図(a)(b)は同上
のスリーブとロックリングとの係合部を示す断面図、第
8図は更に他の実施例の縦断面図、第9図は同上の横断
面図であって、1はスリーブ、2は操作リング、3はね
じ片、うは連結部、31はねじ、51は雄ねじを示す。 代理人 弁理士 石 1)長 七 第5図 第6図
Fig. 1 is an exploded perspective view of one embodiment of the present invention, Fig. 2 is a vertical cross-sectional view of the same, Fig. 3 is a partial longitudinal cross-sectional view showing the same action, Fig. 4 is a cross-sectional view of the same, The figure is a longitudinal sectional view of another embodiment, FIG. 6 is a cross-sectional view of the same as above, FIGS. 9 is a longitudinal cross-sectional view of still another embodiment, and FIG. 9 is a cross-sectional view of the same, in which 1 is a sleeve, 2 is an operating ring, 3 is a threaded piece, 3 is a connecting portion, 31 is a screw, and 51 is a male thread. shows. Agent Patent Attorney Ishi 1) Chief 7 Figure 5 Figure 6

Claims (1)

【特許請求の範囲】[Claims] (1)回転工具本体側に設けられた連結部に軸方向にス
ライド自在に装着されたスリーブと、このスリーブに支
持されて連結部に設けられたねじと係合するねじ部材と
、ねじ部材と連結部のねじとの係合を解除する解除部材
とからなることを特徴とする回転工具の締付深さ調整装
置。
(1) A sleeve that is slidably attached in the axial direction to a connecting part provided on the rotary tool body side, a threaded member that is supported by this sleeve and engages with a screw provided in the connecting part, and a threaded member. A tightening depth adjusting device for a rotary tool, comprising a release member that releases engagement with a screw of a connecting portion.
JP12112889A 1989-05-15 1989-05-15 Tightening depth adjusting device for rotary tool Pending JPH02303772A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12112889A JPH02303772A (en) 1989-05-15 1989-05-15 Tightening depth adjusting device for rotary tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12112889A JPH02303772A (en) 1989-05-15 1989-05-15 Tightening depth adjusting device for rotary tool

Publications (1)

Publication Number Publication Date
JPH02303772A true JPH02303772A (en) 1990-12-17

Family

ID=14803575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12112889A Pending JPH02303772A (en) 1989-05-15 1989-05-15 Tightening depth adjusting device for rotary tool

Country Status (1)

Country Link
JP (1) JPH02303772A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006130651A (en) * 2004-11-04 2006-05-25 Hilti Ag Depth adjustment device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006130651A (en) * 2004-11-04 2006-05-25 Hilti Ag Depth adjustment device

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