JPS6320826Y2 - - Google Patents
Info
- Publication number
- JPS6320826Y2 JPS6320826Y2 JP3557782U JP3557782U JPS6320826Y2 JP S6320826 Y2 JPS6320826 Y2 JP S6320826Y2 JP 3557782 U JP3557782 U JP 3557782U JP 3557782 U JP3557782 U JP 3557782U JP S6320826 Y2 JPS6320826 Y2 JP S6320826Y2
- Authority
- JP
- Japan
- Prior art keywords
- lever
- valve
- fresh water
- engine
- remote control
- 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.)
- Expired
Links
- 239000013505 freshwater Substances 0.000 claims description 37
- 239000000498 cooling water Substances 0.000 claims description 21
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000013021 overheating Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
【考案の詳細な説明】
本考案は内燃機関の冷却水量を機関回転数に応
じて調整する装置、特にスロツトルレバーと、冷
却水通路に設けた清水カツト弁に連結した弁操作
レバーとを互いに連動させることにより、寒冷時
における青白煙発生防止ならびに夏期における機
関過熱防止を図る装置に関する。[Detailed description of the invention] This invention is a device that adjusts the amount of cooling water in an internal combustion engine according to the engine speed, in particular, a throttle lever and a valve operation lever connected to a fresh water cut valve installed in a cooling water passage. This invention relates to a device that, when linked together, prevents the generation of blue-white smoke in cold weather and prevents engine overheating in summer.
従来、船舶用デイーゼルエンジン等の内燃機関
に設けられている冷却装置は、例えば第1図の如
く構成されている。 Conventionally, a cooling device provided in an internal combustion engine such as a marine diesel engine is configured as shown in FIG. 1, for example.
すなわち、エンジン1と清水クーラ2とを結ぶ
冷却回路に、前記エンジン1の冷却水出口流路3
から分岐して前記清水クーラ2のバイパス通路4
を設け、該清水クーラバイパス通路4と前記清水
クーラ2の出口側通路5との合流部にサーモスタ
ツト弁6を設け、前記エンジン1の冷却水出口7
と清水クーラバイパス通路4の分岐部との間にお
ける冷却水出口流路3に、該流路3を開閉する切
換弁8(いわゆる清水カツト弁)を設けている。 That is, the cooling water outlet passage 3 of the engine 1 is included in the cooling circuit connecting the engine 1 and the fresh water cooler 2.
branched from the bypass passage 4 of the fresh water cooler 2
A thermostatic valve 6 is provided at the confluence of the fresh water cooler bypass passage 4 and the outlet side passage 5 of the fresh water cooler 2,
A switching valve 8 (so-called fresh water cut valve) for opening and closing the flow path 3 is provided in the cooling water outlet flow path 3 between the cooling water outlet flow path 3 and the branch portion of the fresh water cooler bypass passage 4.
そして、かかる冷却装置の清水カツト弁操作機
構としては従来第2図の如く構成したものが知ら
れている。 As a fresh water cut valve operating mechanism for such a cooling device, one constructed as shown in FIG. 2 is conventionally known.
すなわち、前記清水カツト弁8の弁体9に弁操
作軸10を設け、この弁操作軸10に固着したレ
バー11にリモコンケーブル12の一端を係着
し、該リモコンケーブル12の他端側を燃料噴射
ポンプ13のコントロールレバー14に連結する
と共に、該コントロールレバー14に一端を連結
したリモコンケーブル15の他端側を機関操縦者
の手元に配設したリモコンハンドル台16のスロ
ツトレバー17と連結し、該スロツトルレバー1
7を矢印イで示す減速側へ回動させたとき、切換
弁8内部の弁体9がエンジン1の冷却水出口流路
3を閉鎖し、逆にスロツトルレバー17を矢印ロ
で示す増速側へ回動させたとき、弁体9が回動し
て、その主弁孔18が弁出口19と合致し、該手
弁孔18を通じて弁入口20と弁出口19とが連
通状態になるよう構成されている。 That is, a valve operating shaft 10 is provided on the valve body 9 of the fresh water cut valve 8, one end of a remote control cable 12 is engaged with a lever 11 fixed to the valve operating shaft 10, and the other end of the remote control cable 12 is connected to the fuel. The remote control cable 15 is connected to the control lever 14 of the injection pump 13, and the other end of the remote control cable 15, which has one end connected to the control lever 14, is connected to the slot lever 17 of the remote control handle base 16 disposed at the hand of the engine operator. Throttle lever 1
7 to the deceleration side shown by arrow A, the valve body 9 inside the switching valve 8 closes the cooling water outlet passage 3 of the engine 1, and conversely, the throttle lever 17 is turned to the speed increasing side shown by arrow B. When rotated to the side, the valve body 9 rotates so that its main valve hole 18 matches the valve outlet 19, and the valve inlet 20 and the valve outlet 19 are in communication through the hand valve hole 18. It is configured.
しかしながら、上述した従来方式の清水カツト
弁操作機構は、燃料噴射ポンプ13のコントロー
ルレバー14と、清水カツト弁8のレバー11と
がリモコンケーブル12によつて連結されている
ため、夏期等の気温および冷却水温度が比較的高
い時期に、長時間暖機運転を行つた場合は、機関
1内の冷却水が清水カツト弁9によつて閉じ込め
られ、高温になつて機関の過熱を生じる外、暖機
運転を終え通常の運転に入つた後、再びスロツト
ルレバー17を減速側へ回動させた場合にも、清
水カツト弁9が作用し、機関の過熱を招くという
問題を有していた。 However, in the above-described conventional fresh water cut valve operation mechanism, the control lever 14 of the fuel injection pump 13 and the lever 11 of the fresh water cut valve 8 are connected by a remote control cable 12. If warm-up operation is performed for a long time when the cooling water temperature is relatively high, the cooling water in the engine 1 will be trapped by the fresh water cut-off valve 9, and the temperature will rise, causing overheating of the engine. Even when the throttle lever 17 is turned to the deceleration side again after the engine has finished operating and started normal operation, the fresh water cut valve 9 is activated, causing the engine to overheat.
本考案はかかる従来の内燃機関が有していた清
水カツト弁の不用な作動に起因する機関過熱の問
題に着目し、清水カツト弁とリモコンケーブルで
連結した弁操作レバーをスロツトレバーの近傍位
置に配置し、両レバーを連動させることにより、
機関が暖機運転を脱したとき、および夏期等に冷
却水温が高いときには清水カツト弁を連通状態に
保持し、機関の過熱を防止せんとするもので、そ
の特徴は燃料噴射ポンプのコントロールレバーと
リモコンハンドル台のスロツトルレバーとをリモ
コンケーブルで連結せると共に、エンジンの冷却
水出口と清水クーラとの間に清水カツト弁を設け
てなる内燃機関において、前記スロツトルレバー
の近傍位置に、前記清水カツト弁とリモコンケー
ブルを介して連結した弁操作レバーを配設し、か
つ前記スロツトルレバーおよび弁操作レバーの間
にスロツトルレバーを増速方向へ回動させたと
き、又は、弁操作レバーを弁閉鎖方向へ回動させ
たとき両レバーを連結する係合連結機構を介設せ
しめた構成にある。 The present invention focused on the problem of engine overheating caused by unnecessary operation of the fresh water cut valve that conventional internal combustion engines had, and placed a valve operation lever connected to the fresh water cut valve with a remote control cable in a position near the slot lever. By interlocking both levers,
When the engine has finished warming up, or when the cooling water temperature is high during the summer, the fresh water cut valve is kept in communication to prevent the engine from overheating. In an internal combustion engine, the throttle lever of the remote control handle base is connected to the throttle lever of the remote control handle base using a remote control cable, and a fresh water cut valve is provided between the cooling water outlet of the engine and the fresh water cooler. A valve operating lever connected to the cut valve via a remote control cable is provided, and when the throttle lever is rotated in the speed increasing direction between the throttle lever and the valve operating lever, or the valve operating lever is The structure includes an intervening engagement and connection mechanism that connects both levers when rotated in the valve closing direction.
以下、本考案の具体的内容を添付図面に示す実
施例にもとずき詳細に説明する。 Hereinafter, specific contents of the present invention will be explained in detail based on embodiments shown in the accompanying drawings.
第3図は本考案の冷却水部調整装置の一実施例
を示す慨要図、第4図は同装置のハンドル台部分
の平面図である。 FIG. 3 is a schematic diagram showing an embodiment of the cooling water section adjusting device of the present invention, and FIG. 4 is a plan view of the handle base portion of the device.
これら各図において、21は船舶のブリツジ等
に設けられた固定板、22は該固定板21の孔2
3に嵌着された機関操縦用ハンドル台、24は該
ンドル台22に回動可能に付設されたクラツチ操
作レバー、25は該クラツチ操作レバー24と同
軸で、かつ、前記ハンドル台22の反対側に設け
られたスロツトルレバーで、該スロツトルレバー
25に一端を連結したリモコンケーブル26はア
ウターチユーブ27に挿通されその他端が機関に
付設した燃料噴射ポンプ28のコントロールレバ
ー29に連結され、該スロツトルレバー25を第
4図において矢印Xで示す増速側に回動させたと
き、コントロールレバー29が燃料増方向に回動
し、反対にスロツトルレバー25を第4図におい
て矢印Yで示す減速側に回動させたとき、コント
ロールレバー29が燃料減方向に回動するように
なつている。一方、30は、前記機関操縦用ハン
ドル台22の近傍において前記固定板21の孔2
3′に嵌着した弁操作用ハンドル台で、該ハンド
ル台30には、前記スロツトルレバー25に隣接
し、該レバー25と同軸的に回動する弁操作レバ
ー31が傾動可能に支承されていると共に、該弁
操作レバー31に一端を連結したリモコンケーブ
ル32は、その他端側がアウターチユーブ33に
挿通して機関冷却回路に設けた清水カツト弁34
のレバー35に係着され、前記弁操作レバー31
を第4図において矢印aで示す開弁方向へ回動さ
せたとき、清水カツト弁34を開状態となし、反
対に該弁操作レバー31を矢印bで示す閉弁方向
に回動させたとき、清水カツト弁34を閉じる構
成となつている。 In each of these figures, 21 is a fixing plate provided on the bridge of a ship, etc., and 22 is a hole 2 of the fixing plate 21.
3 is fitted with a handle base for operating the engine; 24 is a clutch operating lever rotatably attached to the handle base 22; 25 is coaxial with the clutch operating lever 24 and is on the opposite side of the handle base 22; A remote control cable 26 with one end connected to the throttle lever 25 is inserted into an outer tube 27 and the other end is connected to a control lever 29 of a fuel injection pump 28 attached to the engine. When the throttle lever 25 is rotated in the direction of increasing speed as indicated by the arrow X in FIG. When the control lever 29 is rotated to the side, the control lever 29 is configured to rotate in the fuel reduction direction. On the other hand, 30 indicates a hole 2 of the fixed plate 21 in the vicinity of the engine operating handle base 22.
3', on which a valve operating lever 31 adjacent to the throttle lever 25 and rotating coaxially with the lever 25 is tiltably supported. The remote control cable 32, which has one end connected to the valve operation lever 31, has the other end inserted into an outer tube 33 and connected to a fresh water cut valve 34 provided in the engine cooling circuit.
The lever 35 is engaged with the valve operating lever 31.
When the valve is rotated in the valve-opening direction shown by arrow a in FIG. , the fresh water cut valve 34 is closed.
更に、図中、36は前記スロツトルレバー25
と弁操作動レバー31との間に介設され、両レバ
ー25,31を互いに連動させる係合連結機構で
あつて、該係合連結機構36は、前記スロツトル
レバー25の中間部から側方に連結アーム37を
突設し、該連結アーム37の先端37aを前記弁
操作レバー31の側面に当接させて構成したもの
で、スロツトルレバー25を第4図矢印Xの増速
側へ回動させたとき、又は弁操作レバー31を矢
印bで示す閉弁方向、即ち清水カツト弁34を閉
じる方向へ回動させたとき、両レバー25,31
を連結して一体に同方向へ回動させる作用をな
し、それ以外は各レバー25,31を切離し、
夫々が単独に回動するようになつている。 Furthermore, in the figure, 36 is the throttle lever 25.
The engagement coupling mechanism 36 is interposed between the valve operating lever 31 and the levers 25 and 31 and interlocks the levers 25 and 31 with each other. A connecting arm 37 is provided protruding from the side, and the tip 37a of the connecting arm 37 is brought into contact with the side surface of the valve operation lever 31, and the throttle lever 25 is rotated to the speed increasing side as indicated by the arrow X in FIG. or when the valve operating lever 31 is rotated in the valve closing direction shown by arrow b, that is, in the direction in which the fresh water cut valve 34 is closed, both levers 25, 31
The levers 25 and 31 are connected and rotated together in the same direction, and otherwise the levers 25 and 31 are separated.
Each one rotates independently.
本考案の冷却水量調整装置は叙上の如き構成を
有するものであるが、次にその作用について説明
すると、先ず、機関を寒冷時において冷態始動さ
せるに際しては、予めスロツトルレバー25を矢
印Yで示す減速側に倒し、弁操作レバー31を前
記スロツトルレバー25の連結アーム37に当接
する位置まで矢印b方向に回動させた状態を始動
させる。 The cooling water amount adjusting device of the present invention has the above-mentioned configuration. Next, its operation will be explained. First, when cold starting the engine in cold weather, first move the throttle lever 25 in the direction of arrow Y. The valve operating lever 31 is rotated in the direction of arrow b to a position where it contacts the connecting arm 37 of the throttle lever 25.
このとき、弁操作レバー31はスロツトルレバ
ー25と並んで位置し、清水カツト弁34を閉鎖
状態となしているため、機関の冷却水は清水カツ
ト弁34で循環が規制され、温度上昇が促されて
青白煙の発生が防止される。そして、機関がアイ
ドリング状態を脱したとき、スロツトルレバー2
5を矢印Xで示す増速側へ回動させると、該スロ
ツトルレバー25の連結アーム37が、弁操作レ
バー31と係合し、該弁操作レバー31が矢印a
方向に回動して、清水カツト弁34が徐々に開
き、スロツトルレバー25の位置に対応する弁開
度が得られる。 At this time, the valve operation lever 31 is located in line with the throttle lever 25 and the fresh water cut valve 34 is closed, so the circulation of the engine cooling water is regulated by the fresh water cut valve 34 and the temperature rise is promoted. This prevents the generation of blue-white smoke. When the engine comes out of idling, the throttle lever 2
5 is rotated toward the speed increasing side shown by arrow
By rotating in the direction, the fresh water cut valve 34 gradually opens, and a valve opening degree corresponding to the position of the throttle lever 25 is obtained.
その後、スロツトルレバー25を矢印Yの減速
側に戻して低速運転を行つた場合は、前記弁操作
レバー31と連結アーム37との係合が解除さ
れ、スロツトルレバー25のみが単独に回動し、
弁操作レバー31がそのままの位置で停止するた
め清水カツト弁34が開いたままの状態にあり、
冷却水の異常昇温が抑制されて機関の過熱が防止
されることになる。 After that, when the throttle lever 25 is returned to the deceleration side indicated by arrow Y to perform low-speed operation, the engagement between the valve operating lever 31 and the connecting arm 37 is released, and only the throttle lever 25 rotates independently. death,
Since the valve operating lever 31 remains in the same position, the fresh water cut valve 34 remains open.
Abnormal temperature rise of the cooling water is suppressed, and overheating of the engine is prevented.
なお、機関を停止させた際、、弁操作レバー3
1を矢印b方向に戻しておけば、次の冷態始動に
備えて清水カツト弁34を閉状態とし、暖機運転
時間の短縮ならびに青白煙発生防止を図ることが
出来ると共に、夏期等において冷却水温が比較的
高く清水カツト弁34を作用させる必要がない場
合は、予め弁操作レバー31を矢印a方向に倒
し、清水カツト弁34を開いておけば、機関の過
熱を防止できる。 In addition, when the engine is stopped, the valve operation lever 3
1 in the direction of arrow b, the fresh water cutoff valve 34 is closed in preparation for the next cold start, shortening the warm-up operation time and preventing the generation of blue-white smoke. When the water temperature is relatively high and there is no need to operate the fresh water cut valve 34, overheating of the engine can be prevented by opening the fresh water cut valve 34 by tilting the valve operating lever 31 in the direction of arrow a in advance.
また、上記実施例における係合連結機構は、ス
ロツトルレバー25から突設した連結アーム37
を弁操作レバー31の側面に当接させて構成して
いるが、この係合連結機構の構成は上記実施例に
限るものではなく、スロツトルレバー25と弁操
作レバー31とを同様な関係において連結および
切り離し可能な機構であれば、任意のものが適用
可能であることは云うまでもない。 Further, the engagement coupling mechanism in the above embodiment includes a coupling arm 37 protruding from the throttle lever 25.
However, the structure of this engagement coupling mechanism is not limited to the above embodiment, and the throttle lever 25 and the valve operating lever 31 may be placed in a similar relationship. Needless to say, any mechanism that can be connected and disconnected is applicable.
以上述べた如く、本考案の冷却水量調整装置は
燃料噴射ポンプのコントロールレバーと連結され
たスロツトルレバーの近傍位置に、清水カツト弁
に連結した弁操作レバーを配設し、前記スロツト
ルレバーと弁操作レバーとの間に係合連結機構を
介設すると共に、該係合連結機構によつてスロツ
トルレバーを増速方向へ回動させたとき、又は、
弁操作レバーを弁閉鎖方向へ回動させたとき、両
レバーを一体に回動させ、それ以外は各レバーを
単独に回動し得る如くなしたものであり、機関が
アイドリング状態を脱した後、あるいは機関冷却
水温度が機関始動時に充分に高いときは清水カツ
ト弁を任意に開状態に維持し得るものであるか
ら、従来の内燃機関の如く機関冷却水温度が高い
にもかかわらず、スロツトルレバーの動きに応じ
て清水カツト弁が閉じ、冷却水の循環が遮断され
る不都合がなく、機関の過熱を未然に防止すると
いうすぐれた効果を発揮する。 As described above, the cooling water amount adjusting device of the present invention has a valve operation lever connected to the fresh water cut valve disposed near the throttle lever connected to the control lever of the fuel injection pump. When an engagement coupling mechanism is interposed between the valve operation lever and the throttle lever is rotated in the speed increasing direction by the engagement coupling mechanism, or
When the valve operating lever is rotated in the valve closing direction, both levers are rotated as a unit; otherwise, each lever can be rotated independently, and after the engine leaves the idling state. Alternatively, when the engine cooling water temperature is high enough at the time of engine startup, the fresh water cut valve can be kept open at will, so even though the engine cooling water temperature is high as in conventional internal combustion engines, the throttle The fresh water cut valve closes in response to the movement of the tuttle lever, which eliminates the inconvenience of cutting off the circulation of cooling water and has the excellent effect of preventing engine overheating.
しかも、本考案によれば、夏期に弁操作レバー
を予め開方向に位置させたり、機関がアイドリン
グ運転を脱して弁操作レバーが開弁方向に回動し
た後は、スロツトルレバーが単独に回動するた
め、機関操縦時の操作力を大巾に軽減し得るとい
う効果も期待できる。 Moreover, according to the present invention, if the valve operating lever is previously positioned in the opening direction in the summer, or after the engine has stopped idling and the valve operating lever has been rotated in the valve opening direction, the throttle lever can be rotated independently. Because of this, it can be expected to have the effect of greatly reducing the operating force required to operate the engine.
第1図は従来の内燃機関に設けられている冷却
装置の回路図、第2図は従来の清水カツト弁操作
機構の一例を示す概要図、第3図は本考案の冷却
水量調整装置の一例を示す概要図、第4図は同装
置のハンドル台部分の平面図である。
22……リモコンハンドル台、25……スロツ
トルレバー、26,32……リモコンケーブル、
28……燃料噴射ポンプ、29……コントロール
レバー、31……清水カツト弁操作レバー、34
……清水カツト弁、36……係合連結機構。
Fig. 1 is a circuit diagram of a cooling device installed in a conventional internal combustion engine, Fig. 2 is a schematic diagram showing an example of a conventional fresh water cut valve operation mechanism, and Fig. 3 is an example of a cooling water amount adjusting device of the present invention. FIG. 4 is a plan view of the handle base portion of the device. 22... Remote control handle base, 25... Throttle lever, 26, 32... Remote control cable,
28... Fuel injection pump, 29... Control lever, 31... Fresh water cut valve operating lever, 34
... Fresh water cut valve, 36 ... Engagement connection mechanism.
Claims (1)
ンハンドル台のスロツトルレバーとをリモコンケ
ーブルで連結すると共に、エンジンの冷却水出口
と清水クーラとの間に清水カツト弁を設けてなる
内燃機関において、前記スロツトルレバーの近傍
位置に、前記清水カツト弁とリモコンケーブルを
介して連結した弁操作レバーを配設し、かつ前記
スロツトルレバーおよび弁操作レバーの間にスロ
ツトルレバーを増速方向へ回動させたとき又は、
弁操作レバーを弁閉鎖方向へ回動させたとき両レ
バーを連結する係合連結機構を介設せしめたこと
を特徴とする内燃機関の冷却水量調整装置。 In an internal combustion engine, the control lever of the fuel injection pump and the throttle lever of the remote control handle base are connected by a remote control cable, and a fresh water cut valve is provided between the cooling water outlet of the engine and the fresh water cooler. A valve operating lever connected to the fresh water cut valve via a remote control cable is disposed near the throttle lever, and the throttle lever is rotated in the speed increasing direction between the throttle lever and the valve operating lever. Or
A cooling water amount adjusting device for an internal combustion engine, characterized in that an engagement coupling mechanism is provided to connect both levers when the valve operating lever is rotated in the valve closing direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3557782U JPS58137819U (en) | 1982-03-12 | 1982-03-12 | Internal combustion engine cooling water amount adjustment device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3557782U JPS58137819U (en) | 1982-03-12 | 1982-03-12 | Internal combustion engine cooling water amount adjustment device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58137819U JPS58137819U (en) | 1983-09-16 |
JPS6320826Y2 true JPS6320826Y2 (en) | 1988-06-09 |
Family
ID=30047042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3557782U Granted JPS58137819U (en) | 1982-03-12 | 1982-03-12 | Internal combustion engine cooling water amount adjustment device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58137819U (en) |
-
1982
- 1982-03-12 JP JP3557782U patent/JPS58137819U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58137819U (en) | 1983-09-16 |
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