JP2694237B2 - Speed control mechanism - Google Patents
Speed control mechanismInfo
- Publication number
- JP2694237B2 JP2694237B2 JP24848189A JP24848189A JP2694237B2 JP 2694237 B2 JP2694237 B2 JP 2694237B2 JP 24848189 A JP24848189 A JP 24848189A JP 24848189 A JP24848189 A JP 24848189A JP 2694237 B2 JP2694237 B2 JP 2694237B2
- Authority
- JP
- Japan
- Prior art keywords
- spring
- vibrating body
- control mechanism
- speed control
- escape wheel
- 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 - Lifetime
Links
Landscapes
- Vibration Prevention Devices (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明はタイマにおいて用いられる調速機構に関す
る。The present invention relates to a speed control mechanism used in a timer.
回動自在のガンギ車と、往復回動自在でかつ二つの係
合片を備える振動体とを有し、上記二つの係合片は、振
動体の往復回動によって上記ガンギ車の周縁に設けられ
ている歯に交互に係脱し得るようガンギ車の周縁に対向
させてあり、更に上記振動体には振動数安定化用のひげ
ぜんまいの一端を連結すると共に、その他端は例えばケ
ースなどの固定物に止着した構造のものがある。It has a rotatable escape wheel and a vibrating body that is reciprocally rotatable and has two engaging pieces, and the two engaging pieces are provided on the periphery of the escape wheel by the reciprocating rotation of the vibrating body. It is made to face the peripheral edge of the escape wheel so that it can be engaged and disengaged alternately with the tooth being held, and one end of the balance spring for frequency stabilization is connected to the vibrating body, and the other end is fixed, for example, in a case. There is a structure that is fixed to an object.
このような構造の調速機構にあっては、上記ひげぜん
まいによって良好な時間精度が得られる。しかし上記ひ
げぜんまいはその構造上一端と他端の位置関係を精度よ
く作ることが難しい。従って調速機構の組立時において
ひげぜんまいを単純に組付けただけでは、振動体の往復
回動の位置が予定された位置から外れ、ガンギ車の歯に
対する振動体の二つの係合片の係脱がアンバランスとな
って時間精度が悪くなる問題点がある。従って、ひげぜ
んまいの組付け後は振動体の往復回動の位置が予定され
た位置にくるよう上記ひげぜんまいの他端の止付位置を
変更するなどの煩わしい調整をせねばならなぬ問題点が
あった。In the speed control mechanism having such a structure, good time accuracy can be obtained by the hairspring. However, because of the structure of the hairspring, it is difficult to accurately establish the positional relationship between one end and the other end. Therefore, simply assembling the balance spring at the time of assembling the speed control mechanism causes the reciprocating rotation position of the vibrating body to deviate from the predetermined position, and the engagement of the two engaging pieces of the vibrating body with respect to the teeth of the escape wheel. There is a problem that removal becomes unbalanced and time accuracy deteriorates. Therefore, after assembling the hairspring, a troublesome adjustment must be made such as changing the fixing position at the other end of the hairspring so that the reciprocating rotation position of the vibrating body comes to a predetermined position. was there.
本発明は以上のような点に鑑みてなされたもので、そ
の目的とするところは、振動数安定化用のばねの利用に
よって高精度の調速機構を発揮することができ、しかも
そのようなばねを用いたものであっても、調速機構の組
立時においてはばねはただ単に機械的に組み込むだけで
事が足りるようにした構造の調速機構を提供することで
ある。The present invention has been made in view of the above points, and it is an object of the present invention to achieve a highly accurate speed control mechanism by using a spring for frequency stabilization. Even if a spring is used, it is to provide a speed control mechanism having a structure in which it is sufficient to simply mechanically incorporate the spring when assembling the speed control mechanism.
上記目的を達成する為に、本願発明は前記請求の範囲
記載の通りの手段を講じたものであって、その作用は次
の通りである。In order to achieve the above object, the present invention employs the means described in the claims, and the operation is as follows.
ガンギ車に回動力が加わるとその回動力はガンギ車の
歯から振動体の係合片に加わり、振動体は往復回動を行
う。振動体の往復回動により該振動体における二つの係
合片は交互に上記ガンギ車の歯に係脱を行う。その結果
ガンギ車は刻み送りされる。上記振動体が往復回動を行
う場合、振動数安定化用のばねは振動体の回動エネルギ
ーを吸収したり、吸収した回動エネルギーを再び振動体
に与えたりすることを繰り返し、その結果振動体の振動
数が安定化される。When rotational force is applied to the escape wheel, the rotational force is applied from the teeth of the escape wheel to the engaging piece of the vibrating body, and the vibrating body reciprocates. By the reciprocating rotation of the vibrating body, the two engaging pieces of the vibrating body alternately engage and disengage from the teeth of the escape wheel. As a result, the escape wheel is chopped. When the vibrating body makes a reciprocating rotation, the frequency stabilizing spring repeatedly absorbs the rotational energy of the vibrating body and gives the absorbed rotational energy to the vibrating body again, resulting in vibration. The body frequency is stabilized.
以下本願の実施例を示す図面について説明する。第1
図乃至第3図において、1はタイムスイッチを示し、周
知の如く符号2〜7で示される部材により構成してあ
る。これらの内、2は基枠で、ケース2a及び地板2bから
構成してある。3は回動自在の主軸で、周知の如く駆動
用のぜんまいが連繋させてある。4は調速機構、5は主
軸3と調速機構を連繋させる歯輪列、6は主軸3に取付
けたカム、7はスイッチで、固定接点板7aと可動接点板
7bから構成され、従動レバー8をもってカム6に連繋さ
せてある。Hereinafter, drawings showing an embodiment of the present application will be described. First
In FIGS. 3 to 3, reference numeral 1 denotes a time switch, which is composed of members 2 to 7 as is well known. Of these, 2 is a base frame, which is composed of a case 2a and a main plate 2b. Reference numeral 3 denotes a rotatable main shaft, to which a driving mainspring is connected, as is well known. 4 is a speed control mechanism, 5 is a gear train connecting the main shaft 3 and the speed control mechanism, 6 is a cam attached to the main shaft 3, 7 is a switch, and a fixed contact plate 7a and a movable contact plate
7b, and a driven lever 8 is connected to the cam 6.
次に上記調速機構4について説明する。符号11〜22は何
れも周知の部材を示す。11はガンギ車で、周縁に多数の
歯11aを有し、又第3図に示されるように一体回動する
歯車11bを有してそれを歯輪列5と連繋させてある。12
は振動体を示し、本実施例においてはアンクル13とテン
プ14でもって構成してある。アンクル13はその略中央部
に備えられた支持軸15を中心として往復回動し得るよう
にしてあり、一方の端部側には係合片16,17を、他方の
端部にはテンプ14との連繋用の連繋部18(ケン先とも呼
ばれる)を夫々備えている(第4図参照)。次にテンプ
14について説明する。20は天真、21は天輪、22は連繋片
(振りピンとも呼ばれる)で、天真20と一体に形成され
た支持片22aに取付けてあり、上記連繋部18に係合させ
ることによって、アンクル13とテンプ14とが連動して往
復回動するようにしてある。Next, the speed control mechanism 4 will be described. Reference numerals 11 to 22 denote well-known members. Reference numeral 11 denotes an escape wheel, which has a large number of teeth 11a on its peripheral edge and a gear 11b that integrally rotates as shown in FIG. 3, and connects it to the gear train 5. 12
Represents a vibrating body, and in the present embodiment, is constituted by an ankle 13 and a balance 14. The pallet fork (13) is adapted to be capable of reciprocating rotation about a support shaft (15) provided at the substantially central portion thereof, with engagement pieces (16, 17) at one end and a balance (14) at the other end. Each of them is provided with a connecting portion 18 (also called a ken tip) for connecting with (see FIG. 4). Then the balance
14 will be described. 20 is a stem, 21 is a top wheel, and 22 is a connecting piece (also called swing pin), which is attached to a support piece 22a formed integrally with the stem 20, and by engaging with the connecting portion 18, the ankle 13 And the balance 14 are interlocked and reciprocally rotated.
次に上記振動体12に連繋させた振動数安定化用のばね及
びそれに関連する構造について説明する。25は振動数安
定化用のばねで、二つのばね足26,27を有するU字形の
ばねが用いてあり、元部25aを上記アンクル13に備えら
れている止付部材28に止付けてある。30はテンプ14に備
えさせたばね当で、天真20から振り出し形成された支持
片31と一体に形成してある。上記ばねにおけるばね足2
6,27と上記ばね当との関係は次のようになっている。即
ち先ずアンクル13とテンプ14とは、各々の静止位置が、
第4図(a)又は(g)に示されるように二つの係合片
16,17のガンギ車11の歯に対する噛み合い深さが均等に
なる位置に定めてある。そしてテンプ14が上記静止位置
にある状態において、一方及び他方のばね足26,27の各
自由端部が、テンプ14の往復回動によるばね当30の一方
側の振り位置(第4図(k)に示される位置)と他方側
の振り位置(第4図(e)に示される位置)との中間位
置から等距離の位置に位置するように定めてある。上記
止付部材28は上記のような位置関係が達成される状態に
おいてばね25を固定するようにしてある。Next, a spring for stabilizing the frequency and a structure related thereto, which are linked to the vibrating body 12, will be described. Reference numeral 25 is a frequency stabilizing spring, which is a U-shaped spring having two spring legs 26 and 27, and the base portion 25a is fixed to a fixing member 28 provided on the pallet fork 13. . Reference numeral 30 is a spring pad provided on the balance 14 and is integrally formed with a support piece 31 which is formed by being drawn from the stem 20. Spring foot 2 in the above spring
The relationship between 6,27 and the spring pad is as follows. That is, first, the rest positions of the pallet fork 13 and the balance 14 are
Two engaging pieces as shown in FIG. 4 (a) or (g)
It is set at a position where the teeth of the escape wheel & pinion 16 and 17 are evenly meshed with each other. In the state where the balance 14 is in the rest position, the free ends of the one and the other spring legs 26 and 27 are moved to one side of the spring pad 30 by the reciprocating rotation of the balance 14 (see FIG. )) And the swinging position on the other side (the position shown in FIG. 4 (e)), the position is equidistant from the intermediate position. The stopper member 28 fixes the spring 25 in a state where the above-mentioned positional relationship is achieved.
次に第2図に示される33はテンプ14の往復回動幅を規制
する為の規制手段を示す。この規制手段33について説明
すると、34は地板2bに形成された窓で、その一方及び他
方の窓縁をもって規制部34a,34bが形成されている。36
は前記支持片31と一体形成の突片で、上記窓34内に位置
させてあり、上記規制部34a又は34bに当接することによ
ってテンプ14の過度の回動が規制されるようになってい
る。次に第1図に示される37,38はアンクル13の中間部
に備えられた受部材で、第4図(d)、(e)、
(j)、(k)に示されるように、ばね足27或いはばね
足26が湾曲された時その中間部を支えることによって、
ばね足27,26のばね力が増強されるように設けたもので
ある。Next, reference numeral 33 shown in FIG. 2 indicates a regulation means for regulating the reciprocating rotation width of the balance 14. Explaining the restricting means 33, 34 is a window formed in the main plate 2b, and restricting portions 34a and 34b are formed with one and the other window edges. 36
Is a projecting piece integrally formed with the support piece 31, is located in the window 34, and is adapted to restrict excessive rotation of the balance 14 by contacting the restricting portion 34a or 34b. . Next, 37 and 38 shown in FIG. 1 are receiving members provided in the middle portion of the pallet fork 13, and are shown in FIGS. 4 (d), (e),
As shown in (j) and (k), by supporting the middle portion of the spring foot 27 or the spring foot 26 when it is bent,
The springs 27 and 26 are provided so as to increase the spring force.
上記構成の調速機構の組立時においてばね25を組付け
る場合、第1図或いは第4図(a)に示されるように、
ばね25の両ばね足26,27をばね当30の両側に位置させ、
その状態でもって元部25aを止付部材28に止付ける。こ
の場合、ばね25はU字形の対称形のものである為その製
造時の誤差は極めて少なく、従って上記のような組付け
を終えただけの状態でもって、アンクル13及びテンプ14
は第4図(a)に示される如き状態即ち、設計上予定さ
れた静止位置に位置する状態となる。When assembling the spring 25 at the time of assembling the speed control mechanism having the above-described structure, as shown in FIG. 1 or FIG. 4 (a),
Position both spring legs 26, 27 of the spring 25 on both sides of the spring pad 30,
In this state, the base portion 25a is fixed to the fixing member 28. In this case, since the spring 25 is a U-shaped symmetrical one, the error in manufacturing thereof is extremely small. Therefore, the pallet fork 13 and the balance 14 can be left with only the assembling as described above.
Shows the state as shown in FIG. 4 (a), that is, the state where the stationary position is designed.
次に上記構成のタイムスイッチの動作を説明する。主
軸3が設定操作によって回動されると、スイッチ7が閉
じ、又ぜんまいに付勢力が蓄積される。上記付勢力は主
軸3から歯輪列5を通して調速機構4におけるガンギ車
11に加わる。すると調速機構4におけるガンギ車11及び
振動体12は後述のような動作を行い、ガンギ車11は所定
の速度で刻み送りされる。その結果主軸3は設定時の回
動方向とは反対の復帰方向に定速で回動する。やがて主
軸3の設定操作により定められた時間が経過するとカム
6によってスイッチ7が開かれる。Next, the operation of the time switch having the above configuration will be described. When the main shaft 3 is rotated by the setting operation, the switch 7 is closed and the biasing force is accumulated on the mainspring. The urging force is applied from the main shaft 3 through the gear train 5 to the escape wheel of the speed control mechanism 4.
Join 11 Then, the escape wheel & pinion 11 and the vibrating body 12 in the speed governing mechanism 4 operate as described later, and the escape wheel & pinion 11 is fed at a predetermined speed. As a result, the main shaft 3 rotates at a constant speed in the return direction opposite to the rotating direction at the time of setting. When the time set by the setting operation of the spindle 3 elapses, the switch 6 is opened by the cam 6.
次に調速機構4の動作を第4図に基づいて説明する。
ガンギ車11、アンクル13、テンプ14の動作は周知のもの
と同様であり、第4図(a)〜(l)に順に示される如
き動作を繰り返してガンギ車11が刻み送りされる。簡単
に説明すればガンギ車11に第4図(a)の矢印方向の回
動力が加わるとその回動力は歯11aから係合片16,17に伝
わり、アンクル13及びテンプ14が往復回動を行う。その
結果、係合片16,17は歯11aに対して交互に係脱を行い、
ガンギ車11が刻み送りされる。Next, the operation of the speed control mechanism 4 will be described with reference to FIG.
The operations of the escape wheel 11, the pallet fork 13, and the balance wheel 14 are the same as those known in the art, and the escape wheel 11 is sent by repeating the operations shown in order in FIGS. 4 (a) to (l). Briefly speaking, when a rotating force in the direction of the arrow in FIG. 4 (a) is applied to the escape wheel 11, the rotating force is transmitted from the teeth 11a to the engagement pieces 16 and 17, and the pallet fork 13 and the balance wheel 14 reciprocally rotate. To do. As a result, the engagement pieces 16 and 17 alternately engage and disengage from the tooth 11a,
The escape wheel 11 is sent in increments.
上記の場合振動数安定化用のばね25の働きは次の通りで
ある。(a)〜(e)、(g)〜(k)で示される過程
においては、ばね当30がばね足27又はばね足26に当接
し、ばね足は図示されるように湾曲する。その結果ばね
足はテンプ14の回動エネルギーを吸収し蓄える。一方
(e)〜(g)、(k)〜(a)に示される過程におい
ては、ばね足27又はばね足26は上記湾曲によって蓄えた
エネルギーを、ばね当30を押し返すことによりテンプ14
に再び与える。このような作用が繰り返される結果テン
プ14の振動数(単位時間当たりの往復回動の数)は安定
化され、その結果ガンギ車11の刻み送りの速度が安定に
保持される。In the above case, the function of the spring 25 for stabilizing the frequency is as follows. In the processes shown in (a) to (e) and (g) to (k), the spring pad 30 contacts the spring foot 27 or the spring foot 26, and the spring foot bends as shown. As a result, the spring feet absorb and store the rotational energy of the balance. On the other hand, in the process shown in (e) to (g) and (k) to (a), the spring foot 27 or the spring foot 26 pushes back the energy accumulated by the bending by the spring pad 30 to return the balance to the balance.
Give again. As a result of repeating such an action, the frequency of the balance 14 (the number of reciprocating rotations per unit time) is stabilized, and as a result, the speed of the feed of the escape wheel 11 is stably maintained.
尚上記テンプの往復回動の様子を連続して示せば第5図
(A)、(B)の通りであり、(a)〜(l)は夫々第
4図の(a)〜(l)の状態となる点を示す。The reciprocating rotation of the balance wheel is shown continuously as shown in FIGS. 5 (A) and 5 (B), and (a) to (l) are shown in FIGS. 4 (a) to (l), respectively. It shows the point that becomes the state of.
次に第6図は本願の異なる実施例を示すもので、振動
数安定化用のばね25eの元部25aeを基枠2eによって保持
した例を示すものである。尚この例においては、振動体
12eはアンクル13eを用いずテンプ14eのみをもって構成
し、ガンギ車11eの歯11aeと係脱させる為の係合片16e,1
7eをテンプ14eにおける天輪21eに付設しても良い。Next, FIG. 6 shows a different embodiment of the present application, and shows an example in which the base portion 25ae of the spring 25e for frequency stabilization is held by the base frame 2e. In this example, the vibrating body
12e is composed only of balance 14e without using pallet fork 13e, and engaging pieces 16e, 1e for engaging and disengaging with teeth 11ae of escape wheel 11e.
7e may be attached to the top wheel 21e of the balance 14e.
なお、機能上前図のものと同一又は均等構成と考えられ
る部分には、前図と同一の符号にアルファベットのeを
付して重複する説明を省略した。In addition, portions that are considered to have the same or equivalent configuration as those in the previous figure in terms of function are denoted by the same reference numerals as in the previous figure with the letter e, and redundant description is omitted.
以上のように本発明にあっては、ガンギ車11に回動力
が加わった場合、ばね25によって安定化された振動数で
往復回動する振動体12によりガンギ車11を刻み送りで
き、ガンギ車11の回動を定速制御できる特長があるは勿
論のこと、 組立時において上記ばね25の組付を行なう場合、該ば
ね25としては左右対称形で両ばね足26,27の位置のばら
つきが生じ難いU字形ばねを用いているから、機械的に
単純に組付けただけで両ばね足26,27を振動体12におけ
るばね当30から等距離に位置させて、振動体12を設計上
予定した位置で往復回動させ得る状態にすることがで
き、組立作業を容易化できる効果がある。As described above, according to the present invention, when rotational power is applied to the escape wheel 11, the escape wheel 11 can be chopped and fed by the vibrating body 12 that reciprocally rotates at the frequency stabilized by the spring 25. In addition to the feature that the rotation of 11 can be controlled at a constant speed, when assembling the spring 25 at the time of assembly, the spring 25 is symmetrical and the position of both spring feet 26, 27 is not dispersed. Since a U-shaped spring that is hard to occur is used, the mechanical design of the vibrator 12 is planned by simply assembling it mechanically to position both spring legs 26 and 27 at the same distance from the spring pad 30 of the vibrator 12. It is possible to reciprocally rotate at the above position, and there is an effect that the assembling work can be facilitated.
図面は本願の実施例を示すもので、第1図はタイムスイ
ッチの一部破断正面図、第2図はテンプの往復回動幅規
制手段を示す正面図、第3図は第1図のIII−III線位置
において基枠及び天輪を破断した状態を示す図、第4図
(a)〜(l)は調速機構の動作説明図、第5図
(A)、(B)はテンプの回動位置を順に示す図、第6
図は異なる実施例を示す一部破断斜視図。 11……ガンギ車、11a……歯、12……振動体、16,17……
係合片、25……振動数安定化用のばね、26,27……ばね
足、30……ばね当。The drawings show an embodiment of the present application. FIG. 1 is a partially cutaway front view of a time switch, FIG. 2 is a front view showing a reciprocating rotation width regulating means of a balance wheel, and FIG. 3 is III of FIG. A view showing a state in which the base frame and the top wheel are broken at the position of the line III, FIGS. 4 (a) to 4 (l) are operation explanatory views of the speed governing mechanism, and FIGS. The figure which shows a rotating position in order, 6th
The figure is a partially broken perspective view showing a different embodiment. 11 …… escape wheel, 11a …… teeth, 12 …… vibrating body, 16, 17 ……
Engagement piece, 25 ... Spring for stabilizing frequency, 26, 27 ... Spring foot, 30 ... Spring pad.
Claims (1)
つ二つの係合片を備える振動体とを有し、上記二つの係
合片は、振動体の往復回動によって上記ガンギ車の周縁
に設けられている歯に交互に係脱し得るよう上記ガンギ
車の周縁に対向させてあり、上記振動体には振動数安定
化用のばねが連繋させてある調速機構において、上記ば
ねは二つのばね足を有するU字形のばねであり、上記振
動体に対する該ばねの連繋の構成は、上記振動体にはば
ね当が具備され、上記二つのばね足の各自由端部は、振
動体の往復回動によってばね当がそれらの自由端部に交
互に当接可能なばね当の両側の位置で、しかもばね当の
一方側と他方側の振り位置の中間位置から等距離の位置
に位置させてあることを特徴とする調速機構。1. A rotatable escape wheel and a vibrating body which is reciprocally rotatable and has two engaging pieces, and the two engaging pieces are reciprocally rotated by the vibrating body. In the speed control mechanism, which is opposed to the periphery of the escape wheel so that the teeth provided on the periphery of the car can be alternately engaged and disengaged, and a spring for stabilizing the frequency is connected to the vibrating body, The spring is a U-shaped spring having two spring legs, and the connection of the spring to the vibrating body is provided with a spring pad on the vibrating body, and each free end of the two spring legs is Positions on both sides of the spring pad where the spring pads can alternately come into contact with their free ends by reciprocating rotation of the vibrating body, and at positions equidistant from the intermediate position between the swing positions on one side and the other side of the spring pads. A speed control mechanism characterized by being located at.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24848189A JP2694237B2 (en) | 1989-09-25 | 1989-09-25 | Speed control mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24848189A JP2694237B2 (en) | 1989-09-25 | 1989-09-25 | Speed control mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03110493A JPH03110493A (en) | 1991-05-10 |
JP2694237B2 true JP2694237B2 (en) | 1997-12-24 |
Family
ID=17178799
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24848189A Expired - Lifetime JP2694237B2 (en) | 1989-09-25 | 1989-09-25 | Speed control mechanism |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2694237B2 (en) |
-
1989
- 1989-09-25 JP JP24848189A patent/JP2694237B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH03110493A (en) | 1991-05-10 |
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