JPS61142336A - Device for connecting movable operating rod to regulating member - Google Patents
Device for connecting movable operating rod to regulating memberInfo
- Publication number
- JPS61142336A JPS61142336A JP26161885A JP26161885A JPS61142336A JP S61142336 A JPS61142336 A JP S61142336A JP 26161885 A JP26161885 A JP 26161885A JP 26161885 A JP26161885 A JP 26161885A JP S61142336 A JPS61142336 A JP S61142336A
- Authority
- JP
- Japan
- Prior art keywords
- operating rod
- rod
- nut
- engagement piece
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/24—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke
- F02M59/26—Varying fuel delivery in quantity or timing with constant-length-stroke pistons having variable effective portion of stroke caused by movements of pistons relative to their cylinders
- F02M59/28—Mechanisms therefor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Mechanical Control Devices (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、1つの方向における運動をストッパ等により
制限される調整部材に、ねじにより操作棒に締付は可能
で横へ突出する係合片が係合し、この係合片にねじ用ナ
ツトねじ切り部が設けられ、操作棒がハウジング穴に対
応する横穴をもち、円柱状固定ピンが設けられ、調整部
材の基本設定の際この固定ピンがハウジング穴と操作棒
の演べとにはまって、操作棒を移動しないようにする、
移動可能な操作棒を調整部材特に内燃機舅の噴射装置の
調整棒に連結する装置に関する。Detailed Description of the Invention [Field of Industrial Application] The present invention provides an adjustment member whose movement in one direction is limited by a stopper or the like, and an engagement member which can be tightened to an operating rod with a screw and which protrudes laterally. The engaging pieces are provided with a nut threaded portion for screws, the operating rod has a horizontal hole corresponding to the housing hole, and a cylindrical fixing pin is provided, which fixing pin is used during basic setting of the adjustment member. to prevent the operating rod from moving when it gets stuck in the housing hole and the operating rod lever.
The present invention relates to a device for connecting a movable operating rod to an adjusting member, in particular an adjusting rod of an injector of an internal combustion engine.
このような調整部材では、精確な基本設定を行なうこと
が重要である。したがって組立ての際調整部材をストッ
パ等へ押付け、操作棒と調整部材との間に遊隙は生じな
いが係合片も締付けによりストッパ位置に固定されるそ
の状態を操作棒に対して維持するような位置で、係合片
を操作棒に締付けねばならない、なぜならば、そうしな
いと調整部材が後で変位する際、不精確さが再び生ずる
からである。実際に公知の構造では、係合片は連続する
縦スリットのあるボスをもち、このボスにより操作棒上
に支持されている。ねじにより縦スリットがせばめられ
、それにより係合片が操作棒上に締付けられる。For such adjustment members, it is important to make accurate basic settings. Therefore, when assembling, the adjustment member is pressed against a stopper, etc., and while there is no play between the operating rod and the adjustment member, the engaging piece is also tightened to maintain the state in which it is fixed at the stopper position relative to the operating rod. The engagement piece must be tightened onto the actuating rod in this position, since otherwise inaccuracies will occur again when the adjusting element is subsequently displaced. In a practically known construction, the engagement piece has a boss with a continuous longitudinal slit, by which it is supported on the operating rod. The screw tightens the vertical slit, thereby tightening the engagement piece onto the operating rod.
しかしボスは操作棒上に必然的にある程度の半径方向遊
隙をもたねばならないので、ストッパ位置にある調整部
材へ係合片を押付けると、ボス軸線が操作棒の軸線に対
しである程度傾斜することになる。続く締付けの際、こ
の傾斜によりひずみが生ずる結果、ストッパ位置から外
れる際操作棒がある程度はね戻るかまたは戻り移動する
ので、調整棒上に係合片が締付けられるにもかかわらず
、最初に得られた微細設定が維持されない0例えば複数
のシリンダと個々のシリンダに付属してポンプとノズル
からなる噴射装置をもち、噴射装置がそれぞれ1つの調
整棒をもつ内燃機関におけるように、運転中これらの調
整棒を共通に変位させねばならず、複数の調整部材の同
時変位のため操作棒が複数の係合片をもっているとき、
前述の欠点は特に重大となる。However, since the boss must necessarily have a certain amount of radial play on the operating rod, when the engaging piece is pressed against the adjustment member located at the stopper position, the axis of the boss is inclined to some extent with respect to the axis of the operating rod. I will do it. During subsequent tightening, as a result of the strain caused by this inclination, the operating rod springs back or moves back to some extent when it comes out of the stopper position, so that even though the engaging piece is tightened on the adjusting rod, the initially obtained During operation, these fine settings are not maintained, for example in internal combustion engines with several cylinders and an injector consisting of a pump and a nozzle associated with each cylinder, each injector having one adjustment rod. When the adjustment rod must be displaced in common and the operating rod has a plurality of engagement pieces for simultaneous displacement of a plurality of adjustment members,
The aforementioned drawbacks become particularly important.
欧州特許出願公開第55245号明細書から公知の最初
にあげた装置では、操作棒は角形輪郭をもち、この輪郭
上に角形係合片が載っている。In the first-mentioned device known from EP 55 245 A1, the actuating rod has a rectangular contour on which a rectangular engagement piece rests.
操作棒の穴と係合片の縦穴とにねじが通されて、ナツト
により係合片を操作棒に締付ける。穴内におけるねじの
遊隙や係合片と操作棒との間の遊隙のため、この場合も
基本設定のため操作棒に係合片を精確に永続的に締付け
るのが不可能である。さらに角形輪郭をもつ操作棒は、
ハウジング内におけるその支持の際問題を生ずる。A screw is passed through a hole in the operating rod and a vertical hole in the engaging piece, and the engaging piece is tightened to the operating rod with a nut. Due to the play of the screw in the bore and the play between the engagement piece and the actuating rod, in this case too it is not possible to permanently tighten the engagement piece on the actuating rod due to the basic setting. Furthermore, the operating rod with a square outline is
Problems arise in its support within the housing.
なぜならば、その支持体の製造が困難だからである。This is because the support is difficult to manufacture.
したがって本発明の基礎になっている課電は、この欠点
を除去し、操作棒に対して基本設定により得られる係合
片の相対位置を容易に維持でき、組立てを容易にする比
較的簡単な構造を得るような最初にあげた種類の装置を
提供するこ°とである。The electrification system on which the present invention is based therefore eliminates this drawback and allows the relative position of the engaging piece obtained by the basic setting to be easily maintained with respect to the operating rod, making it possible to easily maintain the relative position of the engaging piece, which facilitates assembly. The object of the present invention is to provide a device of the first type mentioned for obtaining a structure.
この課題を解決するため本発明によれば、係合片にある
ナツトねじ切り部が、高められるねじ込みトルクにより
戻り止めするナツトねじ切り部として構成され、ねじが
操作棒の横穴を貫通し、ねじ込み方向がストッパの方へ
の調整部材の運動方向に一致している。In order to solve this problem, according to the present invention, the nut threaded portion in the engagement piece is configured as a nut threaded portion that is prevented from returning by the increased screwing torque, and the screw passes through the horizontal hole of the operating rod, so that the screwing direction is This corresponds to the direction of movement of the adjusting member towards the stop.
基本設定では、戻り止めナツトねじ切り部へねじをねじ
込む際トルクが生じて、係合片を単独に調整部、材へ作
用させ、この調整部材をストッパへ押付けるので、まず
調整部材のストッパ位置を得るため、ねじを締めれば充
分なので、先行する操作は不要である。その際係合片は
操作棒に対し適当な相対位置へ達する。さらにねじ込む
と、係合片がねじにより操作棒へ締付けられるので、高
められる摩擦結合により操作棒に対する係合片位置の固
定が行なわれる。戻り止めナツトねじ切り部により、締
付けねじ結合はゆるむことがない。このねじ込み過程で
は初応力が全く生じないので、基本設定を行なった後、
操作棒の移動または係合片の相対位置変化を生ずる反作
用力も生じない。操作棒に適当な横穴を設けることしか
必要がなく、係合片はボスを必要とせず、操作棒に当っ
ているだけなので、構造が非常に簡単である。戻り止め
ナツトねじ切り部がピッチ、ねじ山輪郭または穴の断面
形状においてねじのねじ切り部またはねじ自体と相違し
ているときに生ずる戻り止めナツトねじ切り部しか必要
でない。In the basic setting, when screwing the screw into the threaded part of the detent nut, torque is generated, causing the engagement piece to act independently on the adjustment part and material, and pressing this adjustment member against the stopper, so first set the stopper position of the adjustment member. It is sufficient to tighten the screw to obtain the desired value, so no previous operation is necessary. The engagement piece then reaches a suitable relative position with respect to the operating rod. When the screw is further screwed in, the engaging piece is tightened to the operating rod by the screw, so that the position of the engaging piece relative to the operating rod is fixed by increased frictional coupling. Due to the threaded part of the detent nut, the clamping screw connection will not come loose. This screwing process does not generate any initial stress, so after making the basic settings,
There is also no reaction force that would cause movement of the operating rod or change in the relative position of the engagement piece. It is only necessary to provide a suitable horizontal hole in the operating rod, and the engaging piece does not require a boss, but simply touches the operating rod, so the structure is very simple. Only a detent nut threading is required, which occurs when the detent nut threading differs from the threading of the thread or the thread itself in pitch, thread profile or cross-sectional shape of the hole.
係合片が金・肩板打抜き部品から成り、戻り止めねじ切
り部をもつナツトが溶接、ろう着または接着により係合
片に取付けられていることによって、特に簡単かつ安価
な構成が得られる。A particularly simple and inexpensive construction is obtained if the engagement piece consists of a stamped metal shoulder part and the nut with a detent thread is attached to the engagement piece by welding, soldering or gluing.
それにより市販のしたがって安価なナツトを使用できる
。ナツトを金属板打抜き部品に鋲で結合することも可能
である。This allows the use of commercially available and therefore inexpensive nuts. It is also possible to connect the nut to the sheet metal stamped part with rivets.
本発明による装置は、操作棒を噴射式内燃機関の調整器
に連結するにも適している。精確な基本設定の可能性を
維持しながら、2つの移動可能な素子を共通な移動運動
のため連結することが必要な別の適用分野も考えられる
。基本組立てが行なわれると、操作棒を移動しないよう
に保持する固定ピンを第2のハウジング穴へ差換えるこ
とができ、このハウジング穴で固定ピンは操作棒の縦ス
リットに係合し、それにより機械の運転中、操作棒から
片側へ突出する係合片によりこれらの操作棒へ及ぼされ
るトルクによって操作棒に生ずる回転が防止される。ま
ず組立て補助手段としてのみ役立つ固定または案内ピン
は、同時にハウジング内に収容されて、失われることが
なく、基本設定のためにいつでも再び利用可能である。The device according to the invention is also suitable for connecting an operating rod to a regulator of an injection internal combustion engine. Other fields of application are also conceivable in which it is necessary to couple two movable elements for a common movement movement while maintaining the possibility of precise basic settings. Once the basic assembly has been carried out, the fixing pin that holds the operating rod in place can be replaced into the second housing hole, where it engages in the longitudinal slit of the operating rod and thereby During operation of the machine, the rotation of the operating rods due to the torque exerted on these operating rods by the engaging pieces projecting to one side from the operating rods is prevented. First of all, the fixing or guide pins, which serve only as assembly aids, are at the same time accommodated in the housing so that they cannot be lost and are always available again for the basic setting.
ピンを第2のハウジング穴へねじ込むのがよく、そのた
めピンの頭部におねじを切って、機械の運転中ピンがゆ
るんだり脱落するのを防止する。The pin is preferably screwed into the second housing hole, so that the head of the pin is threaded to prevent it from loosening or falling out during operation of the machine.
ポンプ−ノズル装置の調整部材は、基本組立ての際スト
ッパ位置をとらねばならない。しかし損傷を回避し、運
転中ストッパかられずかな寸法だけ調整部材を離すため
、横穴の軸線と近くにある縦スリツト端部の丸みの中心
との間隔を、両ハウジング穴の軸線の間隔より大きくす
ることができる。The adjusting element of the pump-nozzle arrangement must assume a stop position during basic assembly. However, in order to avoid damage and to keep the adjusting member a small distance away from the stopper during operation, the distance between the axis of the horizontal hole and the center of the roundness of the end of the nearby vertical slit is made larger than the distance between the axes of both housing holes. be able to.
図面には本発明の実施例が示されている。 An embodiment of the invention is shown in the drawing.
ハウジングl内には操作棒2が長さ方向移動可能に支持
されて、噴射ポンプ4の調整部材としての調整棒3を変
位させるのに役立ち、この調整棒3の1つの方向の運動
を制限するため、図示しないストッパ等が設けられてい
る。調整棒3の基本設定のため、この調整棒をストッパ
等へ押付けねばならない。An operating rod 2 is supported longitudinally movably in the housing l and serves to displace an adjusting rod 3 as an adjusting member of the injection pump 4 and to limit the movement of this adjusting rod 3 in one direction. Therefore, a stopper or the like (not shown) is provided. For basic setting of the adjustment rod 3, this adjustment rod must be pressed against a stopper or the like.
操作棒2を調整棒3に連結するために、金属板打抜き部
品から成る係合片5が設けられ、これに戻り止めねじ切
り部をもつナツト6が溶接その他の方法で取付けられて
いる。係合片5は、操作棒2の横穴8を貫通するねじ7
により操作棒2に締付けられる。ナツト6へのねじ7の
ねじ込み方向は、図示しないストッパ等への調整棒3の
単独の押付けが行なわれるように選ばれている。In order to connect the actuating rod 2 to the adjusting rod 3, an engaging piece 5 made of a sheet metal stamping is provided, to which a nut 6 with a detent thread is attached by welding or otherwise. The engagement piece 5 has a screw 7 passing through the horizontal hole 8 of the operating rod 2.
is tightened to the operating rod 2. The direction in which the screw 7 is screwed into the nut 6 is selected so that the adjustment rod 3 can be pressed independently against a stopper (not shown) or the like.
調整棒(ラック)3を一緒に変位させるためハウジング
l内にはね4の力に抗して移動可能に支持された操作棒
2は、調N器が係合する凹所9をもっている。操作棒2
上に係合片5が締付けられて、調整棒3への保合により
これに連結されている。The operating rod 2, which is supported movably in the housing l against the force of a spring 4 in order to displace the adjustment rod (rack) 3 together, has a recess 9 in which the adjuster engages. Operation stick 2
An engagement piece 5 is tightened on top and is connected to the adjustment rod 3 by engagement therewith.
ハウジング1には2つの穴10.11が互いに離れて設
けられている。操作棒2は、ハウジング穴10に対応す
る横穴12と、ハウジング穴11に対応する終端縦スリ
ット13とをもっている。Two holes 10.11 are provided in the housing 1 at a distance from each other. The operating rod 2 has a horizontal hole 12 corresponding to the housing hole 10 and a terminal vertical slit 13 corresponding to the housing hole 11.
調整棒3の基本設定の際、第5図に示すように固定また
は案内ピン14の円錐状端部15を第1のハウジング穴
IOおよび操作棒横穴12へ差込むことにより、操作棒
2が正しい位置に保持される。基本組立て後ピン14が
第2のハウジング穴11と縦スリット13へ差換えられ
るので、操作棒2が回り止めされる。固定または案内ピ
ン14の頭部はおねじを設けられているので、ハウジン
グ穴11へねじ込んで固定できる。横穴12の軸線と近
くにある縦スリツト端部13aの丸みの中心との間隔X
lは、両ハウジング穴10、11の軸線間隔Xより少し
大きいので、ピン14をハウジング穴11と縦スリット
13へ導入する際、操1112は少し左方へ押され、そ
の際調整棒3が、基本設定を決定するストッパかられず
か離れる。When making basic settings for the adjustment rod 3, as shown in FIG. held in position. After basic assembly, the pin 14 is replaced with the second housing hole 11 and the vertical slit 13, so that the operating rod 2 is prevented from rotating. Since the head of the fixing or guide pin 14 is provided with a male thread, it can be screwed into the housing hole 11 and fixed. Distance X between the axis of the horizontal hole 12 and the center of roundness of the nearby vertical slit end 13a
Since l is a little larger than the axial distance X between both housing holes 10 and 11, when the pin 14 is introduced into the housing hole 11 and the vertical slit 13, the handle 1112 is pushed slightly to the left, and at this time the adjustment rod 3 Move away from the stopper that determines the basic settings.
第1図は内燃機関の噴射ポンプの操作棒と調整部材の平
面図、第2図は第1図のll−11線による断面図、第
3図は第1図のIII−=lII線による拡大断面図、
第4図は調整部材の支持部を形成するハウジングの平面
図、第5図は第4図のV−■線による垂直断面図である
。
1・・・ハウジング、2・・・操作棒、3・・・調整部
材、5・・・係合片、6・・・ナツト、7・・・ねじ、
8.12・・・横穴、lO・・・ハウジング穴、14・
・・固定ビン。
FIG、 1Figure 1 is a plan view of the operating rod and adjustment member of an injection pump for an internal combustion engine, Figure 2 is a sectional view taken along line ll-11 in Figure 1, and Figure 3 is an enlarged view taken along line III-=lII in Figure 1. cross section,
FIG. 4 is a plan view of the housing forming the support portion of the adjustment member, and FIG. 5 is a vertical sectional view taken along the line V--■ in FIG. 4. DESCRIPTION OF SYMBOLS 1... Housing, 2... Operation rod, 3... Adjustment member, 5... Engagement piece, 6... Nut, 7... Screw,
8.12... Side hole, lO... Housing hole, 14.
・Fixed bottle. FIG. 1
Claims (1)
れる調整部材に、ねじにより操作棒に締付け可能で横へ
突出する係合片が係合し、この係合片にねじ用ナットね
じ切り部が設けられ、操作棒がハウジング穴に対応する
横穴をもち、円柱状固定ピンが設けられ、調整部材の基
本設定の際この固定ピンがハウジング穴と操作棒の横穴
とにはまつて、操作棒を移動しないようにするものにお
いて、係合片 (5)にあるナットねじ切り部(6)が、高められるね
じ込みトルクにより戻り止めするナットねじ切り部とし
て構成され、ねじ(7)が操作棒(2)の横穴(8)を
貫通し、ねじ込み方向がストッパの方への調整部材(3
)の運動方向に一致していることを特徴とする、移動可
能な操作棒を調整部材に連結する装置。 2 係合片が金属板打抜き部品(5)から成り、戻り止
めねじ切り部をもつナット(6)が溶接、ろう着または
接着により係合片に取付けられていることを特徴とする
、特許請求の範囲第1項に記載の装置。[Claims] 1. An engaging piece that can be tightened to the operating rod with a screw and projects laterally is engaged with an adjusting member whose movement in one direction is restricted by a stopper or the like, A threaded part of the nut is provided, the operating rod has a lateral hole that corresponds to the housing hole, and a cylindrical fixing pin is provided, so that the fixing pin aligns with the housing hole and the lateral hole of the operating rod during basic setting of the adjustment member. , in which the operating rod is prevented from moving, the nut threaded portion (6) on the engagement piece (5) is configured as a nut threaded portion that prevents it from returning due to the increased screwing torque, and the screw (7) is configured to prevent the operating rod from moving. The adjustment member (3) passes through the horizontal hole (8) of (2) and the screwing direction is toward the stopper.
) A device for connecting a movable operating rod to an adjusting member, characterized in that it corresponds to the direction of movement of the control rod. 2. The patent claim, characterized in that the engagement piece consists of a sheet metal stamped part (5), and a nut (6) with a detent thread is attached to the engagement piece by welding, brazing or gluing. A device according to scope 1.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0375084A AT390125B (en) | 1984-11-27 | 1984-11-27 | DEVICE FOR COUPLING A SLIDING ACTUATOR ROD WITH A CONTROL UNIT, IN PARTICULAR A CONTROL ROD OF AN INJECTION UNIT OF AN INTERNAL COMBUSTION ENGINE |
AT3750/84 | 1984-11-27 | ||
AT3918/84 | 1984-12-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61142336A true JPS61142336A (en) | 1986-06-30 |
JPH0465211B2 JPH0465211B2 (en) | 1992-10-19 |
Family
ID=3554899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP26161885A Granted JPS61142336A (en) | 1984-11-27 | 1985-11-22 | Device for connecting movable operating rod to regulating member |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS61142336A (en) |
AT (1) | AT390125B (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56150862U (en) * | 1980-04-12 | 1981-11-12 | ||
JPS5856159U (en) * | 1981-10-14 | 1983-04-16 | ヤンマーディーゼル株式会社 | Diesel engine fuel injection amount control device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5856159B2 (en) * | 1976-12-29 | 1983-12-13 | 三菱電機株式会社 | display circuit |
AT364578B (en) * | 1979-10-15 | 1981-10-27 | Friedmann & Maier Ag | INJECTION PUMP FOR INJECTION COMBUSTION ENGINES, IN PARTICULAR DIESEL ENGINES |
AT366788B (en) * | 1980-01-30 | 1982-05-10 | Friedmann & Maier Ag | CONTROL LINKAGE FOR FUEL INJECTION DEVICES FOR DIESEL ENGINES |
AT381148B (en) * | 1980-12-18 | 1986-08-25 | Friedmann & Maier Ag | INJECTION DEVICE FOR INJECTION INTERNAL COMBUSTION ENGINES |
-
1984
- 1984-11-27 AT AT0375084A patent/AT390125B/en not_active IP Right Cessation
-
1985
- 1985-11-22 JP JP26161885A patent/JPS61142336A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56150862U (en) * | 1980-04-12 | 1981-11-12 | ||
JPS5856159U (en) * | 1981-10-14 | 1983-04-16 | ヤンマーディーゼル株式会社 | Diesel engine fuel injection amount control device |
Also Published As
Publication number | Publication date |
---|---|
JPH0465211B2 (en) | 1992-10-19 |
ATA375084A (en) | 1989-08-15 |
AT390125B (en) | 1990-03-26 |
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