JP3088237B2 - Opening display mechanism for valve reducer - Google Patents
Opening display mechanism for valve reducerInfo
- Publication number
- JP3088237B2 JP3088237B2 JP06087013A JP8701394A JP3088237B2 JP 3088237 B2 JP3088237 B2 JP 3088237B2 JP 06087013 A JP06087013 A JP 06087013A JP 8701394 A JP8701394 A JP 8701394A JP 3088237 B2 JP3088237 B2 JP 3088237B2
- Authority
- JP
- Japan
- Prior art keywords
- stage
- opening
- gear
- valve
- input shaft
- 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 - Fee Related
Links
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
- Mechanically-Actuated Valves (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、バルブ用減速機の開度
表示機構に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening indicating mechanism for a valve speed reducer.
【０００２】[0002]
【従来の技術】図３〜図４に示すように、従来のバルブ
用減速機においては、キャップ１を介して入力サンギヤ
２に加える駆動力を、第１プラネタリギヤ３と、ケース
４に固定したインテーナルギヤ５と、サンギヤ６と、第
２プラネタリギヤ７とを介して出力軸キャリア８に伝達
し、出力軸キャリア８の軸孔に内嵌するバルブの操作棒
を上述の歯車列において構成する減速比をもって回転さ
せている。2. Description of the Related Art As shown in FIGS. 3 and 4, in a conventional valve reducer, a driving force applied to an input sun gear 2 via a cap 1 is fixed to a first planetary gear 3 and a case 4 by an internal gear. 5, the sun gear 6, and the second planetary gear 7, which are transmitted to the output shaft carrier 8, and the operation rod of the valve fitted in the shaft hole of the output shaft carrier 8 is rotated with the reduction ratio configured in the gear train described above. Let me.
【０００３】そして、入力サンギヤ２の入力軸２ａに外
嵌して回転自在に設けたメモリキャリア９をサンギヤ６
と一体的に回転するように連結し、メモリキャリア９に
開度指針１０を固定するとともに、開度目盛りを形成し
たカバー１１をケース４に固定し、開閉操作に伴ってメ
モリキャリア９と一体に回転する開度指針１０がカバー
１１の開度目盛りを指し示すことにより、バルブの開度
を表示している。[0003] A memory carrier 9 which is rotatably fitted to the input shaft 2a of the input sun gear 2 is provided on the sun gear 6
The opening pointer 10 is fixed to the memory carrier 9 and the cover 11 formed with the opening scale is fixed to the case 4 so as to rotate integrally with the memory carrier 9. The opening degree of the valve is indicated by the rotating opening degree pointer 10 indicating the opening scale of the cover 11.
【０００４】[0004]
【発明が解決しようとする課題】しかし、上記した従来
の構成においては、動力伝達系をなす歯車列の上位に位
置するメモリキャリア３と下位に位置する出力軸キャリ
ア８の回転数は異なり、出力軸キャリア８に要求される
回転角度９０°に対して開度指針１０の回転角度が９０
°以上に大きくなる問題があった。特に、減速段数を増
加したりして減速比を大きくすれば、開度指針１０の回
転角度は３６０°以上となってしまい、開度指示の役を
果さなくなる問題があった。However, in the above-mentioned conventional configuration, the number of rotations of the memory carrier 3 located at the upper position of the gear train forming the power transmission system and the output shaft carrier 8 located at the lower position are different from each other. The rotation angle of the opening pointer 10 is 90 ° with respect to the rotation angle 90 ° required for the shaft carrier 8.
There was a problem of becoming larger than °. In particular, if the reduction ratio is increased by increasing the number of deceleration stages, the rotation angle of the opening pointer 10 becomes 360 ° or more, and there is a problem that it does not serve as an opening instruction.
【０００５】本発明は上記した課題を解決するもので、
入力軸と出力軸の間に歯車列によって構成する減速比に
関わらず、開度指針の回転角度を弁体の実際の回転角度
に相応させることができるバルブ用減速機の開度表示機
構を提供することを目的とする。The present invention solves the above-mentioned problems, and
Provided is an opening degree display mechanism for a valve reducer that allows the rotation angle of the opening degree pointer to correspond to the actual rotation angle of the valve body regardless of the reduction ratio formed by a gear train between the input shaft and the output shaft. The purpose is to do.
【０００６】[0006]
【課題を解決するための手段】上記した課題を解決する
ために本発明は、入力軸と出力軸の間に動力伝達系を介
装するバルブ用減速機において、入力軸に１段太陽歯車
を設け、入力軸に外嵌して配置する２段太陽歯車および
開度指針板を入力軸の軸心廻りに回転自在に設け、２段
太陽歯車に１段太陽歯車に噛合する１段遊星歯車を１段
歯車軸を介して回転自在に設け、１段遊星歯車に噛合す
る１段内歯車を弁軸に連結固定し、１段内歯車に２段太
陽歯車に噛合する２段遊星歯車を２段歯車軸を介して回
転自在に設け、２段遊星歯車に噛合する２段内歯車をケ
ースの内側面に形成し、２段歯車軸を貫通するボルトで
開度指針板と１段内歯車を一体に連結し、開度指針板の
周囲に位置するケースの周縁部に開度目盛りを設けると
ともに、開度指針板に開度目盛りを指示する開度指針を
設けたものである。In order to solve the above-mentioned problems, the present invention provides a power transmission system between an input shaft and an output shaft.
One-stage sun gear on input shaft in valve reducer to be mounted
And a two-stage sun gear externally fitted to the input shaft and
The opening pointer plate is rotatable around the axis of the input shaft.
One-stage planetary gear meshing with one-stage sun gear
Provided rotatable via a gear shaft and meshed with one-stage planetary gear
One-stage internal gear is connected and fixed to the valve shaft, and two-stage thick
The two-stage planetary gear meshing with the positive gear is rotated through the two-stage gear shaft.
The two-stage internal gear that meshes with the two-stage planetary gear
Formed on the inner surface of the base and through the two-stage gear shaft
The opening pointer plate and the one-stage internal gear are integrally connected, and the opening
When an opening scale is provided on the periphery of the case located around
In both cases, the opening pointer indicating the opening scale is displayed on the opening pointer plate.
It is provided .
【０００７】[0007]
【作用】上記した構成により、入力軸の回転に伴って出
力軸が動力伝達系の減速比をもって回転し、開度指針板
が入力軸の軸心廻りにおいて出力軸と一体に回転し、開
度指針板に設けた開度指針がケースの開度目盛り上にお
いて開度を指示する。このとき、入力軸の回転により動
力伝達系を介して出力軸に与える回転角度と開度指針板
の回転角度が同一となるので、開度指針板の回転による
開度指針の回転角度と出力軸の回転によってバルブの弁
体に与える回転角度が実値として同一となる。With the above construction, the output shaft rotates with the reduction ratio of the power transmission system in accordance with the rotation of the input shaft, and the opening guide plate rotates integrally with the output shaft around the axis of the input shaft. An opening pointer provided on the pointer plate indicates the opening on the opening scale of the case. At this time, the rotation angle given to the output shaft via the power transmission system by the rotation of the input shaft becomes equal to the rotation angle of the opening pointer plate. Makes the rotation angle given to the valve body of the valve the same as the actual value.
【０００８】したがって、開度指針は、開度目盛りの表
記を指示することにより弁体の開度を間接的に表示する
とともに、開度指針自体の回転角度によって弁体の開度
を直接的に表示するので、弁体の開度を二通りの方法で
表示する。このため、操作者は弁体の開度を開度目盛り
の表記によって数値的ないしは比率的に認識するととも
に、開度指針の回転位置によって弁体の回転位置を直接
的に認識することができる。Accordingly, the opening degree indicator indirectly indicates the opening degree of the valve body by instructing the notation of the opening degree scale, and directly indicates the opening degree of the valve body by the rotation angle of the opening degree indicator itself. Since it is displayed, the opening degree of the valve body is displayed in two ways. Therefore, the operator can recognize the opening degree of the valve body numerically or proportionally by the notation of the opening degree scale, and can directly recognize the rotation position of the valve body by the rotation position of the opening degree pointer.
【０００９】[0009]
【実施例】以下、本発明の一実施例を図面に基づいて説
明する。図１〜図２において、バルブ用減速機２１は、
入力軸２２に設けた１段太陽歯車２３と出力軸をなして
バルブの弁軸Ｓに連結固定する１段内歯車２４との間に
適当な減速比をなす動力伝達系を介装したものであり、
入力軸２２に外嵌して配置した２段太陽歯車２５および
開度指針板２６は入力軸２２の軸心廻りに回転自在であ
る。また、バルブの弁箱Ｂに固定するケース２７は開口
周縁部が開度指針板２６の周囲に位置している。An embodiment of the present invention will be described below with reference to the drawings. 1 and 2, the valve speed reducer 21 is
A power transmission system having an appropriate reduction ratio is interposed between a one-stage sun gear 23 provided on the input shaft 22 and a one-stage internal gear 24 which forms an output shaft and is connected and fixed to the valve shaft S of the valve. Yes,
The two-stage sun gear 25 and the opening degree indicator plate 26 which are externally fitted to the input shaft 22 are rotatable around the axis of the input shaft 22. The case 27 fixed to the valve box B of the valve has an opening peripheral edge located around the opening degree indicator plate 26.
【００１０】２段太陽歯車２５は１段太陽歯車２３に噛
合する１段遊星歯車２８を１段歯車軸２９を介して回転
自在に保持しており、１段遊星歯車２８は１段内歯車２
４にも噛合している。１段内歯車２４は２段太陽歯車２
５に噛合する２段遊星歯車３０を２段歯車軸３１を介し
て回転自在に保持しており、２段遊星歯車３０はケース
２７の内側面に形成した２段内歯車２７ａにも噛合して
いる。ボルト３２は２段歯車軸３１を貫通して開度指針
板２６と１段内歯車２４を一体に連結しており、開度指
針板２６と１段内歯車２４は一体的に回転する。The two-stage sun gear 25 rotatably holds a one-stage planetary gear 28 meshing with the first-stage sun gear 23 via a one-stage gear shaft 29.
4 is also engaged. The first-stage internal gear 24 is a two-stage sun gear 2
5 is rotatably held via a two-stage gear shaft 31. The two-stage planetary gear 30 also meshes with a two-stage internal gear 27a formed on the inner surface of the case 27. I have. The bolt 32 penetrates the two-stage gear shaft 31 to integrally connect the opening indicator plate 26 and the first-stage internal gear 24, and the opening indicator plate 26 and the first-stage internal gear 24 rotate integrally.
【００１１】ケース２７の開口周縁部には開度目盛り３
３を設けており、開度指針板２６に開度目盛り３３を指
示する開度指針３４を設けている。以下、上記構成にお
ける作用を説明する。バルブを開閉する場合には、入力
軸２２を操作ハンドル（図示せず）によって回転させ、
入力軸２２とともに１段太陽歯車２３を回転させる。１
段太陽歯車２３に加えた回転力は、動力伝達系をなす１
段遊星歯車２８と２段太陽歯車２５と２段遊星歯車３０
と２段内歯車２７ａを介して１段内歯車２４に伝わり、
所定の減速比をもって弁軸Ｓが回転してバルブの弁体が
所定の開度に開動する。An opening scale 3 is provided on the periphery of the opening of the case 27.
3 is provided, and an opening pointer 34 for indicating the opening scale 33 is provided on the opening pointer plate 26. Hereinafter, the operation of the above configuration will be described. When opening and closing the valve, the input shaft 22 is rotated by an operation handle (not shown),
The first stage sun gear 23 is rotated together with the input shaft 22. 1
The rotational force applied to the stepped sun gear 23 forms a power transmission system 1
Two-stage planetary gear 28, two-stage sun gear 25, and two-stage planetary gear 30
And transmitted to the first-stage internal gear 24 via the second-stage internal gear 27a,
The valve shaft S rotates with a predetermined reduction ratio, and the valve body of the valve opens to a predetermined opening.
【００１２】一方、入力軸２２の回転に伴って開度指針
板２６が入力軸２２の軸心廻りにおいて１段内歯車２４
と一体に回転し、開度指針板２６に設けた開度指針３４
がケース２７の開度目盛り３３上において開度を指示す
る。On the other hand, with the rotation of the input shaft 22, the opening pointer plate 26 is rotated around the axis of the input shaft 22 by the one-stage internal gear 24.
And the opening pointer 34 provided on the opening pointer plate 26.
Indicates the opening on the opening scale 33 of the case 27.
【００１３】このとき、入力軸２２の回転により動力伝
達系を介して１段内歯車２４に与える回転角度と開度指
針板２６の回転角度が同一となるので、開度指針板２６
の回転による開度指針３４の回転角度と１段内歯車２４
の回転によってバルブの弁体に与える回転角度が実値と
して同一となる。At this time, the rotation angle of the input pointer 22 and the rotation angle of the opening pointer plate 26 are the same as the rotation angle given to the first-stage internal gear 24 via the power transmission system due to the rotation of the input shaft 22.
Rotation angle of the opening pointer 34 due to the rotation of the first stage internal gear 24
Makes the rotation angle given to the valve body of the valve the same as the actual value.
【００１４】したがって、開度指針３４は、開度目盛り
３３の表記を指示することにより弁体の開度を間接的に
表示するとともに、開度指針自体の回転角度によって弁
体の開度を直接的に表示するので、弁体の開度を二通り
の方法で表示する。このため、操作者は弁体の開度を開
度目盛り３３の表記によって数値的ないしは比率的に認
識するとともに、開度指針３４の回転位置によって弁体
の回転位置を直接的に認識することができる。Accordingly, the opening pointer 34 indirectly indicates the opening of the valve body by instructing the notation of the opening scale 33, and directly indicates the opening degree of the valve body by the rotation angle of the opening pointer itself. The degree of opening of the valve body is displayed in two ways. Therefore, the operator can recognize the opening degree of the valve element numerically or proportionally by the notation of the opening degree scale 33 and directly recognize the rotation position of the valve element by the rotation position of the opening degree pointer 34. it can.
【００１５】[0015]
【発明の効果】以上述べたように本発明によれば、出力
軸と開度指針板が一体に回転し、出力軸に与える回転角
度と開度指針板の回転角度が同一となり、開度指針の回
転角度とバルブの弁体に与える回転角度が実値として同
一となるので、開度指針は、開度目盛りの表記を指示す
ることにより弁体の開度を間接的に表示するとともに、
開度指針自体の回転角度によって弁体の開度を直接的に
表示することができ、弁体の開度を二通りの方法で表示
することができる。As described above, according to the present invention, the output shaft and the opening pointer plate rotate integrally, and the rotation angle given to the output shaft and the rotation angle of the opening pointer plate become the same. And the rotation angle given to the valve body of the valve is the same as the actual value, so the opening degree indicator indirectly displays the opening degree of the valve body by instructing the notation of the opening scale,
The opening degree of the valve body can be directly displayed by the rotation angle of the opening degree indicator itself, and the opening degree of the valve body can be displayed in two ways.
【図１】本発明の一実施例におけるバルブ用減速機の断
面図である。FIG. 1 is a sectional view of a valve speed reducer according to an embodiment of the present invention.
【図２】同実施例におけるバルブ用減速機の平面図であ
る。FIG. 2 is a plan view of the valve speed reducer in the embodiment.
【図３】従来のバルブ用減速機の断面図である。FIG. 3 is a sectional view of a conventional valve speed reducer.
【図４】従来のバルブ用減速機の平面図である。FIG. 4 is a plan view of a conventional valve speed reducer.
２１ バルブ用減速機 ２２ 入力軸 ２４ １段内歯車 ２６ 開度指針板 ２７ ケース ３２ ボルト 21 Valve reducer 22 Input shaft 24 1st stage internal gear 26 Opening indicator 27 Case 32 Bolt
フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) F16K 37/00 F16K 31/44 - 31/62 Continuation of the front page (58) Field surveyed (Int.Cl. 7 , DB name) F16K 37/00 F16K 31/44-31/62
Claims (1)
するバルブ用減速機において、入力軸に１段太陽歯車を
設け、入力軸に外嵌して配置する２段太陽歯車および開
度指針板を入力軸の軸心廻りに回転自在に設け、２段太
陽歯車に１段太陽歯車に噛合する１段遊星歯車を１段歯
車軸を介して回転自在に設け、１段遊星歯車に噛合する
１段内歯車を弁軸に連結固定し、１段内歯車に２段太陽
歯車に噛合する２段遊星歯車を２段歯車軸を介して回転
自在に設け、２段遊星歯車に噛合する２段内歯車をケー
スの内側面に形成し、２段歯車軸を貫通するボルトで開
度指針板と１段内歯車を一体に連結し、開度指針板の周
囲に位置するケースの周縁部に開度目盛りを設けるとと
もに、開度指針板に開度目盛りを指示する開度指針を設
けたことを特徴とするバルブ用減速機の開度表示機構。A power transmission system is interposed between an input shaft and an output shaft.
, A single-stage sun gear on the input shaft
And a two-stage sun gear that is fitted over the input shaft
The index pointer plate is rotatable around the axis of the input shaft,
One-stage planetary gear meshed with one-stage sun gear with one-stage tooth
Provided rotatable via axle and meshed with one-stage planetary gear
One-stage internal gear is connected and fixed to the valve shaft.
The two-stage planetary gear meshing with the gear rotates through the two-stage gear shaft
The two-stage internal gear meshing with the two-stage planetary gear
Formed on the inner surface of the gear and opened with bolts
And the one-stage internal gear are connected together, and the circumference of the opening
If the opening scale is provided on the periphery of the case located in the surrounding area,
In addition, an opening pointer indicating the opening scale is set on the opening pointer plate.
Position indication mechanism of the valve speed reducer, characterized in that digit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06087013A JP3088237B2 (en) | 1994-04-26 | 1994-04-26 | Opening display mechanism for valve reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP06087013A JP3088237B2 (en) | 1994-04-26 | 1994-04-26 | Opening display mechanism for valve reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07293741A JPH07293741A (en) | 1995-11-10 |
| JP3088237B2 true JP3088237B2 (en) | 2000-09-18 |
Family
ID=13903089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP06087013A Expired - Fee Related JP3088237B2 (en) | 1994-04-26 | 1994-04-26 | Opening display mechanism for valve reducer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3088237B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0587778U (en) * | 1992-04-28 | 1993-11-26 | 株式会社セガ・エンタープライゼス | Key top structure for directional switches |
-
1994
- 1994-04-26 JP JP06087013A patent/JP3088237B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0587778U (en) * | 1992-04-28 | 1993-11-26 | 株式会社セガ・エンタープライゼス | Key top structure for directional switches |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07293741A (en) | 1995-11-10 |
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|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |