JP2000006045A - Structure of air regulator in impact wrench - Google Patents
Structure of air regulator in impact wrenchInfo
- Publication number
- JP2000006045A JP2000006045A JP17570698A JP17570698A JP2000006045A JP 2000006045 A JP2000006045 A JP 2000006045A JP 17570698 A JP17570698 A JP 17570698A JP 17570698 A JP17570698 A JP 17570698A JP 2000006045 A JP2000006045 A JP 2000006045A
- Authority
- JP
- Japan
- Prior art keywords
- air regulator
- air
- regulator
- bushing
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はエアインパクトレン
チに於けるエアレギュレ−タの構造に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of an air regulator in an air impact wrench.
【０００２】[0002]
【従来の技術】図４は公知エアインパクトレンチ（以下
インパクトレンチという）の断面図である。インパクト
レンチ１は、圧縮空気を空気圧モ−タ２に与える流入口
３を有するハンドル４を備えている。空気が空気圧モ−
タ２へ空気吸込み通路５を通して供給される。トリガ−
８を図４の矢印方向へ引くと、弁６が開き圧力流体が室
７に入る。2. Description of the Related Art FIG. 4 is a cross-sectional view of a known air impact wrench (hereinafter referred to as an impact wrench). The impact wrench 1 has a handle 4 having an inlet 3 for supplying compressed air to a pneumatic motor 2. Air is pneumatic
The air is supplied to the heater 2 through the air suction passage 5. Trigger
Pulling 8 in the direction of the arrow in FIG. 4 opens valve 6 and pressurized fluid enters chamber 7.
【０００３】流入した空気は空気圧モ−タ２内に入って
これを駆動するが、リバ−スバルブ部９を手動で回転す
ることによって空気の流れ方向が変り、空気圧モ−タ２
の回転方向を変えることができる。The inflowing air enters the pneumatic motor 2 and drives it. When the reverse valve 9 is manually rotated, the flow direction of the air changes, and the pneumatic motor 2 is driven.
Can change the direction of rotation.
【０００４】空気圧モ−タ２によって発生した回転は、
モ−タ出力軸１０から、出力装置１１に回転と共に衝撃
を与えることができる。The rotation generated by the pneumatic motor 2 is:
The motor output shaft 10 can apply an impact to the output device 11 as it rotates.
【０００５】従来のインパクトレンチでは、入気側より
入った空気を動力源に変換される前で、すべての圧力調
整をバルブ類を設けて行い、動力源である空気圧モ−タ
２の内部を通り排気側に排出されるものが通常である。[0005] In a conventional impact wrench, before the air entering from the inlet side is converted into a power source, all pressure adjustments are performed by providing valves and the like, and the inside of the pneumatic motor 2 as the power source is controlled. What is discharged to the exhaust side is usually.
【０００６】[0006]
【発明が解決しようとする課題】本発明は、インパクト
レンチにおける従来のエアレギュレ−タをレギュレ−タ
ブッシングと共にハンドル内に設けた排気側へ移し、構
成を簡素にすることを課題とするものである。SUMMARY OF THE INVENTION An object of the present invention is to move a conventional air regulator in an impact wrench to an exhaust side provided in a handle together with a regulating tab bush, thereby simplifying the structure. .
【０００７】[0007]
【課題を解決するための手段】インパクトレンチに於け
るハンドル部に設けた排気口の下端にレギュレ−タブッ
シング２７を挿入し、該レギュレ−タブッシング内に摘
みを操作して回動することにより排気量を調節可能なエ
アレギュレ−タ２８を装着し、摘みの回転によってレギ
ュレ−タブッシングの排気穴３４とエアレギュレ−タ２
８の調節穴２８ａ，２８ｂとを合致させて調節するよう
にした。又レギュレ−タブッシング２７には排気穴３４
を有し、エアレギュレ−タ２８には大調節穴２８ａと小
調節穴２８ｂを円周上に隔設し、エアレギュレ−タ２８
を下端の摘み３３を操作し、排気量調整位置をエアレギ
ュレ−タ２８の下部に設けたフランジ３３ａに印した表
示とエアレギュレ−タ２８に設けた鋼球３１とスプリン
グ３２及びレギュレ−タブッシング２７に設けた位置決
め孔２７ａ，２７ｂ，２７ｃ，２７ｄとの係合で位置決
め可能にした。Means for Solving the Problems A regular tab bushing 27 is inserted into a lower end of an exhaust port provided in a handle portion of an impact wrench, and a knob is operated and turned into the regular tab bush. An air regulator 28 capable of adjusting the amount of exhaust is mounted, and the knob is rotated to exhaust the exhaust hole 34 of the regulator bushing and the air regulator 2.
The adjustment holes 28a and 28b of the eight nozzles are adjusted to match. The regular tab bushing 27 has an exhaust hole 34.
The air regulator 28 has a large adjustment hole 28a and a small adjustment hole 28b circumferentially spaced therefrom.
By operating the knob 33 at the lower end, the indication of the displacement adjustment position is marked on the flange 33a provided below the air regulator 28 and the steel ball 31, spring 32 and regular tab bush 27 provided on the air regulator 28 are displayed. Positioning is enabled by engagement with the positioning holes 27a, 27b, 27c, 27d provided.
【０００８】[0008]
【発明の実施の形態】図１で、２１はハウジング本体の
ハンドル部で、ホ−スアダプタ２２から入った空気は、
スロットルトリガ−２３を引くことによってバルブを開
き、リバ−スバルブ２４により左右何れかの回転方向に
流出され、動力源であるモ−タ２５に送られる。そして
排気口２６へ流出し、レギュレ−タブッシング２７から
エアレギュレ−タ２８を通り排出される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, reference numeral 21 denotes a handle portion of a housing main body.
The valve is opened by pulling the throttle trigger 23, and is discharged by the reverse valve 24 in either the left or right rotational direction and sent to the motor 25 as a power source. Then, it flows out to the exhaust port 26 and is discharged from the regular tubing 27 through the air regulator 28.
【０００９】図２はエアレギュレ−タ部の詳細を示す。
エアレギュレ−タ２８方向へ排出された空気はエアレギ
ュレ−タ調節穴２８ａ又は２８ｂから、レギュレ−タブ
ッシング排気穴３４を通り外気中へ排出される。尚、図
２に示す如く、エアレギュレ−タ２８を組み込んだ後、
抜止用のスプリングピン２９を本体側の挿入穴２９′と
エアレギュレ−タ２８側の周溝２９″間に挿入し、ハウ
ジング本体２１へ固定する。Ｏリング３０はレギュレ−
タブッシング２７とエアレギュレ−タ２８との間の周溝
３０′に装着され、空気漏れ防止のために設けられる。FIG. 2 shows the details of the air regulator.
The air discharged in the direction of the air regulator 28 is discharged from the air regulator adjusting hole 28a or 28b into the outside air through the regulating bushing exhaust hole 34. As shown in FIG. 2, after the air regulator 28 is assembled,
A spring pin 29 for retaining is inserted between the insertion hole 29 'on the main body side and the peripheral groove 29 "on the air regulator 28 side and fixed to the housing main body 21. The O-ring 30 is regulated.
It is mounted in a circumferential groove 30 'between the tab bushing 27 and the air regulator 28, and is provided to prevent air leakage.
【００１０】図１でハウジング本体２１に備えたホ−ス
アダプタ２２から入気された空気は、スロットルトリガ
−２３によりバルブを開き、リバ−スバルブ２４により
左右どちらかの回転方向に流出され、動力源であるモ−
タ２５内に送られ排出口２６へ流出する。このとき排気
はさらにレギュレ−タブッシング２７からエアレギュレ
−タ２８を通り外に排出される。In FIG. 1, air introduced from a hose adapter 22 provided in a housing body 21 opens a valve by a throttle trigger 23, and flows out in a right or left rotational direction by a reverse valve 24, thereby powering the vehicle. Mo is the source
And is discharged into the discharge port 26. At this time, the exhaust gas is further discharged from the regulating tab bushing 27 through the air regulator 28.
【００１１】図３はエアレギュレ−タ２８のエア調整手
順を図解したものである。レギュレ−タブッシング２７
の排気穴３４とエアレギュレ−タ２８の大調節穴２８ａ
又は小調節穴２８ｂを合致させて排気量を調節するが、
この調節位置はエアレギュレ−タ２８の直径方向に穿設
したスプリング穴３２′に嵌入したスプリング３２によ
って外向きに付勢される鋼球３１と、レギュレ−タブッ
シング２７に設けた位置決め孔２７ａ，２７ｂ又は２７
ｃとの係合で行う。図３の例では(ａ)〜(ｄ)の４段階に
分けて出力調整をすることができる。位置決めの表示
は、図２に示す如く、フランジ３３ａの外面に印した
０，１，２，３等の表示で判るようになっており、この
位置で前記鋼球３１と位置決め孔が合致するよう構成し
ている。FIG. 3 illustrates a procedure for adjusting the air of the air regulator 28. Regular tabbing 27
Exhaust hole 34 and large adjustment hole 28a of air regulator 28.
Alternatively, the displacement is adjusted by matching the small adjustment holes 28b,
The adjustment position is a steel ball 31 which is urged outward by a spring 32 fitted in a spring hole 32 ′ formed in the diameter direction of the air regulator 28, and positioning holes 27 a, 27 b formed in the regulation tab bushing 27. Or 27
c. In the example of FIG. 3, the output adjustment can be performed in four stages (a) to (d). As shown in FIG. 2, the indication of the positioning can be recognized by the indication of 0, 1, 2, 3 or the like marked on the outer surface of the flange 33a. At this position, the steel ball 31 matches the positioning hole. Make up.
【００１２】図２で、エアレギュレ−タ２８の下端に設
けた摘み３３のフランジ３３ａの下面に印した表示を見
乍ら回すと、エアレギュレ−タ２８がレギュレ−タブッ
シング２７内を回転し排気量換言すれば出力量を調節で
きる構成となっている。 （１）図３(ａ)：この状態はブッシング２７の排気穴３
４がエアレギュレ−タ２８の壁で塞がれている状態（出
力は０）。 （２）図３(ｂ)：排気穴３４とエアレギュレ−タ２８の
小調節穴２８ｂが合致した状態（最小出力）。 （３）図３(ｃ)：排気穴３４とエアレギュレ−タ２８の
大調節穴２８ａが半分程合致しはじめた状態（中間出
力）。 （４）図３(ｄ)：排気穴３４とエアレギュレ−タ２８の
大調節穴２８ａが完全に合致した状態（最大出力）。 図３の例では、(ｂ)，(ｃ)及び(ｄ)の如く３段階の出力
が調整できる。In FIG. 2, when the air regulator is turned while looking at the indication marked on the lower surface of the flange 33a of the knob 33 provided at the lower end of the air regulator 28, the air regulator 28 rotates inside the regulation bushing 27 and the displacement is increased. In other words, the output amount can be adjusted. (1) FIG. 3 (a): This state is the exhaust hole 3 of the bushing 27.
4 is closed by the wall of the air regulator 28 (output is 0). (2) FIG. 3B: A state in which the exhaust hole 34 and the small adjustment hole 28b of the air regulator 28 match (minimum output). (3) FIG. 3 (c): A state in which the exhaust hole 34 and the large adjustment hole 28a of the air regulator 28 have begun to match approximately half (intermediate output). (4) FIG. 3D: A state in which the exhaust hole 34 and the large adjustment hole 28a of the air regulator 28 completely match (maximum output). In the example of FIG. 3, the output in three stages can be adjusted as shown in (b), (c) and (d).
【００１３】[0013]
【発明の効果】インパクトレンチのハンドル部に設けた
排気部にエアレギュレ−タを設け、出力調整をハンドル
下部で摘み３３を回すだけで可能にしたので、構成が簡
素化された。又レギュレ−タブッシングとこれに嵌挿し
たエアレギュレ−タとを組合せ、排気穴と大小調節穴の
組合せで複数の出力量調節を可能にしたので、操作の容
易性と共に構成の簡素化が可能となった。According to the present invention, an air regulator is provided in an exhaust portion provided in the handle portion of the impact wrench, and the output can be adjusted only by turning the knob 33 at the lower portion of the handle, so that the configuration is simplified. In addition, the combination of the regulator tab bushing and the air regulator fitted into it allows for multiple output adjustments by combining the exhaust hole and the large / small adjustment holes, making it easy to operate and simplifying the configuration. became.
【図１】本発明を実施したインパクトレンチの全体図。FIG. 1 is an overall view of an impact wrench embodying the present invention.
【図２】エアレギュレ−タの分解図。FIG. 2 is an exploded view of the air regulator.
【図３】エアレギュレ−タの出力調整位置を示し、(ａ)
は出力０、(ｂ)は最小出力、(ｃ)は中間出力、(ｄ)は最
大出力回転時の状態を示す。FIG. 3 shows an output adjustment position of the air regulator, and FIG.
Indicates an output 0, (b) indicates a minimum output, (c) indicates an intermediate output, and (d) indicates a state at the time of maximum output rotation.
【図４】公知インパクトレンチ。FIG. 4 shows a known impact wrench.
21 ハウジング本体 22 ホ−スアダプタ 23 スロットルリガ− 24 リバ−スバルブ 25 モ−タ 26 排気口 27 レギュレ−タブッシング 27a,27b,27c,27d
位置決め穴 28 エアレギュレ−タ 28a 調節穴 29 スプリングピン 29′ 挿入穴 29″ 周溝 30 Ｏリング 30a，30b 穴 31 鋼球 32 スプリング 33 摘み 34 排気穴21 Housing main body 22 Hose adapter 23 Throttle rig 24 Reverse valve 25 Motor 26 Exhaust port 27 Regular tab bushing 27a, 27b, 27c, 27d
Positioning hole 28 Air regulator 28a Adjustment hole 29 Spring pin 29 'Insert hole 29 "Peripheral groove 30 O-ring 30a, 30b hole 31 Steel ball 32 Spring 33 Knob 34 Exhaust hole
Claims (2)
設けた排気口の下端にレギュレ−タブッシング(27)を挿
入し、該レギュレ−タブッシング内に摘みを操作して回
動することにより排気量を調節可能なエアレギュレ−タ
(28)を装着し、摘みの回転によってレギュレ−タブッシ
ングの排気穴(34)とエアレギュレ−タ(28)の調節穴(28
a，28b)とを合致させて調節するようにしたことを特徴
とするインパクトレンチに於けるエアレギュレ−タの構
造。1. A regular tab bushing (27) is inserted into a lower end of an exhaust port provided in a handle portion of an impact wrench, and a knob is operated to rotate in the regular tab bush to rotate the exhaust volume. Adjustable air regulator
(28) is attached, and by rotating the knob, the exhaust hole (34) of the regulating tab bush and the adjustment hole (28) of the air regulator (28)
(a) The structure of the air regulator in the impact wrench, wherein the structure is adjusted in accordance with (b).
(34)を有し、エアレギュレ−タ(28)には大調節穴(28a)
と小調節穴(28b)を円周上に隔設し、エアレギュレ−タ
(28)を下端の摘み(33)を操作し、排気量調整位置をエア
レギュレ−タ(28)の下部に設けたフランジ(33a）に印し
た表示とエアレギュレ−タ(28)に設けた鋼球(31)とスプ
リング(32)及びレギュレ−タブッシング(27)に設けた位
置決め孔(27a，27b，27c，27d)との係合で位置決め可能
にした請求項１記載のインパクトレンチに於けるエアレ
ギュレ−タの構造。2. An exhaust hole in the regular tab bushing (27).
(34), large regulator hole (28a) in air regulator (28)
And the small adjustment hole (28b) are separated on the circumference, and the air regulator
By operating the knob (33) at the lower end of (28), the displacement adjustment position is indicated on the flange (33a) provided at the lower part of the air regulator (28) and the steel ball provided on the air regulator (28). 2. An air wrench in an impact wrench according to claim 1, wherein said air wrench can be positioned by engaging said spring with said locating holes formed in said spring and said regular bushing. -Structure of the data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17570698A JP2000006045A (en) | 1998-06-23 | 1998-06-23 | Structure of air regulator in impact wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17570698A JP2000006045A (en) | 1998-06-23 | 1998-06-23 | Structure of air regulator in impact wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000006045A true JP2000006045A (en) | 2000-01-11 |
Family
ID=16000833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17570698A Pending JP2000006045A (en) | 1998-06-23 | 1998-06-23 | Structure of air regulator in impact wrench |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000006045A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100397186B1 (en) * | 2001-09-03 | 2003-09-06 | 양산기공 주식회사 | Air impact wrench |
| WO2005014231A1 (en) * | 2003-08-12 | 2005-02-17 | Max Co., Ltd. | Compressed air-driven screw tightening machine |
-
1998
- 1998-06-23 JP JP17570698A patent/JP2000006045A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100397186B1 (en) * | 2001-09-03 | 2003-09-06 | 양산기공 주식회사 | Air impact wrench |
| WO2005014231A1 (en) * | 2003-08-12 | 2005-02-17 | Max Co., Ltd. | Compressed air-driven screw tightening machine |
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