JPH03153948A - Reciprocative turning mechanism - Google Patents

Abstract

PURPOSE:To reciprocatively turn a follower member with rotation of a motive moving member by allowing a forward stroke motion receiving surface and a return stroke motion receiving surface to face to the follower member with a certain spacing interposed, tying the two ends together to form an endless loop, permitting the gear of the motive moving member to mesh with a special gear formed on the motion receiving surface, and putting the two motion receiving surfaces in parallel motion by the motive moving member. CONSTITUTION:A bevel gear 1a and an induce rod 1b are provided on a motive moving member 1, wherein rotation and a certain degree vertical motion are secured possible with a bearing 2a and a shaft stopper 8. A follower member is composed of a forward stroke rotary member 4 equipped with a forward stroke motion receiving surface 4a and a return stroke rotary member 5 equipped with a return stroke motion receiving surface 5a. The ends of the two motion receiving surfaces 4a, 5a are connected so as to become endless, and a guide plate 6 is fixed between these rotary members 4, 5. When the main rotary member rotates, the follower member is forward turned by the gear 4a on the forward stroke motion receiving surface meshing with the abovementioned bevel gear 1a, and meshing with the gear on the return stroke motion receiving surface 5a is made while the bevel gear 1a is guided by the tail end. Now the follower member is backward turned as return stroke while the abovementioned induce rod 1b is guided by the oversurface of the guide plate 6. Therein no connecting rod is required.

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は、例えば窓ワイパー装置や扇風機の首振り装置
などに利用される、一方向の回転運動を一定角度を持っ
た往復回動運動に変換する往復回動機構に関する。Detailed Description of the Invention (Field of Industrial Application) The present invention converts rotational motion in one direction into reciprocating rotational motion at a fixed angle, which is used in window wiper devices, fan oscillation devices, etc. This invention relates to a reciprocating mechanism for converting.

（従来の技術） 従来より一方向の回転運動を一定角度を持つ往復回動運
動に変換する機構は数多く考えられているが、その代表
的なものが主動体の動力をコンロット棒で従動体に伝え
る、リンク機構と呼ばれるものである。(Prior art) Many mechanisms have been devised to convert rotational motion in one direction into reciprocating rotational motion with a fixed angle, but the most representative one is the one that converts the power of the main body into the driven body using a conrod rod. It is called a link mechanism.

その−例を第４図に示し、説明する。An example thereof is shown in FIG. 4 and will be explained.

第４図に於いて、軸回転する主動体１１の動力をコンロ
ット棒１２で、本体１４の軸に回動自在に取り付けられ
た従動体１３に伝えている。In FIG. 4, the power of the driving body 11 rotating on its axis is transmitted by a conrod rod 12 to a driven body 13 rotatably attached to the shaft of the main body 14.

コンロット棒１２はその両端に軸を二つ持ち、主動体１
１に回転自在に取り付けられた方を軸Ｍとし、従動体１
３に回動自在に取り付けられた方を軸○としている。The connecting rod 12 has two shafts at both ends, and the main moving body 1
1 is rotatably attached to axis M, and driven body 1
The shaft ○ is the one rotatably attached to 3.

主動体１１がモーターなどの動力に接続され回転すると
、それに従ったコンロット棒１２の軸Ｍの、Ｍ°〜Ｍ″
′間の円周上の回転運動は、該コンロット棒１２の軸Ｏ
では、０°〜０”′間の円弧上の往復運動となるため、
主動体１１の一方向の回転運動は従動体１３の往復回動
運動に変換される。When the main moving body 11 is connected to a power source such as a motor and rotates, the axis M of the connecting rod 12 changes from M° to M″.
The rotational movement on the circumference between
Then, since it is a reciprocating motion on an arc between 0° and 0'',
The rotational movement of the main moving body 11 in one direction is converted into the reciprocating rotational movement of the driven body 13.

しかしこのようなリンク機構では、大型部品であるコン
ロット棒１２が不可欠であり、また概略で言えば、平面
上に、そのコンロット棒１２を主動体１１と従動体１３
とで挟むように並べた状態にある。However, in such a link mechanism, the connecting rod 12, which is a large component, is essential.
They are arranged so that they are sandwiched between.

このために広い空間が必要となり、該機構を含む装置全
体が大型化する欠点があった。This requires a large space, which has the drawback of increasing the size of the entire device including the mechanism.

（発明が解決しようとする課題） 本発明は上記の欠点を解決し、空間制約のある場合に、
特に有利な往復回動機構を提供することを目的とする。(Problems to be Solved by the Invention) The present invention solves the above-mentioned drawbacks, and when there are space constraints,
The object is to provide a particularly advantageous reciprocating rotation mechanism.

（課題を解決するための手段） 本発明は上記目的を達成するために、大型部品であるコ
ンロット棒を使用せずに主動体から従動体へ直接動力を
伝えた。(Means for Solving the Problems) In order to achieve the above object, the present invention directly transmits power from the main moving body to the driven body without using a connecting rod, which is a large component.

その手段として、前記主動体に伝動面としての傘歯車を
持たせ、前記従動体に受動面としての特殊歯車を持たせ
、それらがお互いに歯合する位置に、前記従動体を前記
主動体の回転軸に間隔を取って直交する軸に回動自在に
取り付けた。As a means for this, the main moving body is provided with a bevel gear as a transmission surface, and the driven body is provided with a special gear as a passive surface, and the driven body is placed in a position where they mesh with each other. It was rotatably mounted on a shaft perpendicular to the rotating shaft with a certain distance between them.

前記した従動体の特殊歯車は、前記した主動体の傘歯車
からの動力を、該従動体の、往回動時に受ける柱受動面
と復回動時に受ける復受動面の二つの受動面で構成され
、その二つの受動面が若干の間隔を持って、向かい合う
か、または背を向けるように重なり、そのお互いの両端
同士がつながってエンドレスパターンの歯車を形成して
いる。The special gear of the driven body described above is composed of two passive surfaces of the driven body, a column passive surface that receives the power from the bevel gear of the main driving body during forward rotation, and a reverse passive surface that receives the power during backward rotation. The two passive surfaces overlap with a slight distance between them, either facing each other or facing away from each other, and their ends are connected to form an endless pattern of gears.

その従動体の特殊歯車を前記した主動体の傘歯車が駆動
しＣいく時、その特殊歯車にある二か所の点く前述した
、柱受動面と復受動面とがつながった点）で、前記主動
体が該従動体に対し、相対的に自らの回転軸を平行移動
させることで、それ自身の傘歯車が駆動すべき受動面を
、現在駆動している受動面から現在駆動していない受動
面に切り換えるようにした。When the special gear of the driven body is driven by the bevel gear of the main driving body, the two points on the special gear (the point where the pillar driven surface and the secondary driven surface are connected), The main moving body moves its rotation axis in parallel relative to the driven body, so that the driven surface that is to be driven by its own bevel gear is not currently driven by the passive surface that is currently being driven. Changed to switch to passive side.

前記主動体の傘歯車が前記した従動体の特殊歯車を駆動
し続けると、その特殊歯車の前記した二か所の点が、該
主動体に対して交互に現れ、該主動体は、それに合わせ
前述した自らの回転軸の平行移動を反復するように行い
、前記した従動体の特殊歯車である二つの受動面を交互
に循環するよう駆動して前記従動体を往復回動させてい
る。When the bevel gear of the main moving body continues to drive the special gear of the driven body, the two points of the special gear appear alternately with respect to the main moving body, and the main moving body moves accordingly. The above-mentioned parallel movement of its own axis of rotation is repeatedly performed, and the two driven surfaces, which are special gears, of the above-mentioned driven body are driven to circulate alternately, thereby reciprocating the driven body.

（作用） 本発明の機構と、前記した従来の機構との構成要素を比
較すると、従来の機構が、主動体、従動体、コンロット
棒、本体、の４要素であるのに対し、本発明の機構は、
主動体、従動体、本体、の３要素である。(Function) Comparing the components of the mechanism of the present invention and the conventional mechanism described above, the conventional mechanism has four elements: a main moving body, a driven body, a connecting rod, and a main body, whereas the present mechanism has four elements: a main moving body, a driven body, a connecting rod, and a main body. The mechanism is
There are three elements: a main moving body, a driven body, and a main body.

このように本発明はＩｌ構の構成要素の一つを、全く省
くことで、機構の小型化を可能とした。In this way, the present invention makes it possible to downsize the mechanism by completely omitting one of the constituent elements of the Il structure.

（実施例） 以下、図面を用いて本発明の実施例を詳しく説明する。(Example) Embodiments of the present invention will be described in detail below with reference to the drawings.

第１図は本発明の一実施例の立体図であり、第２図はそ
の平面図であり、第３図はその分解立体図である、その
うちの第１図と第２図は内部構造が解るように、その一
部を切り欠いたように図示しである。Fig. 1 is a three-dimensional view of one embodiment of the present invention, Fig. 2 is a plan view thereof, and Fig. 3 is an exploded three-dimensional view thereof. Figs. 1 and 2 show the internal structure. As you can see, it is shown in a partially cutaway manner.

第５図は本発明の他の実施例の立体図である。FIG. 5 is a three-dimensional view of another embodiment of the invention.

第１図、第２図、第３図、第５図に於いて、主動体１が
、伝動面としての傘歯車１ａと、誘導棒１ｂを有し、本
体２の軸受け２ａと軸止め８により回転自在に取り付け
られている。In FIG. 1, FIG. 2, FIG. 3, and FIG. 5, the main moving body 1 has a bevel gear 1a as a transmission surface and a guide rod 1b. It is rotatably mounted.

主動体１の回転軸は固定されておらず、従動体３の軸の
長手方向と同じ方向だけに、若干の平行移動が可能なよ
うに取り付けられている。The rotation axis of the main moving body 1 is not fixed, but is attached so that it can be moved slightly in parallel only in the same direction as the longitudinal direction of the axis of the driven body 3.

従動体３は柱受動面４ａを備えた往回動体４、復受動面
５ａを備えた復回動体５、案内板６、回動部材７の４部
品から成り立ち、その往回動体４と復回動体５は全くの
同形部品であり、それらが向かい合って案内板６を挟み
、本体２の軸２ｂにワッシャー９とビス１０で回動自在
に取り付けられている、その時、往回動体４の凸部４ｃ
、凹部４ｄと復回動体５の凸部５ｃ、凹部５ｄ（図示路
）がお互いに、はまり合って、その往回動体４と復回動
体５とを、ずれないようにしている。The driven body 3 consists of four parts: a forward rotating body 4 with a pillar driven surface 4a, a backward rotating body 5 with a backward driven surface 5a, a guide plate 6, and a rotating member 7. The movable body 5 is completely the same shaped parts, which are rotatably attached to the shaft 2b of the main body 2 with a washer 9 and a screw 10, facing each other with a guide plate 6 in between. 4c
, the concave portion 4d, the convex portion 5c of the backward rotating body 5, and the concave portion 5d (path shown) fit into each other to prevent the forward rotating body 4 and the backward rotating body 5 from shifting.

案内板６は後述するように、主動体１の誘導棒１ｂと係
って、その主動体１の回転軸を制御し、その傘歯車１ａ
が駆動できる受動面を限定するためものである。As will be described later, the guide plate 6 engages with the guide rod 1b of the main moving body 1, controls the rotation axis of the main moving body 1, and controls the bevel gear 1a.
This is to limit the passive surfaces that can be driven.

柱受動面４ａと復受動面５ａは、両端の撥ね上がった円
弧の傘歯車であり、二つを合わせると従動体３の受動面
としてのエンドレスパターンの特殊歯車（受動面）とな
る。The pillar driven surface 4a and the secondary driven surface 5a are circular arc bevel gears with both ends sprung up, and when they are combined, they form a special gear (passive surface) with an endless pattern as a passive surface of the driven body 3.

復回動体５の突起５ｂは機能を持たないが、それに相当
するものが往回動体４に突起４ｂ（図示時）としてあり
、本体２との接触面積を少なくして摩擦抵抗を減らして
いる。Although the protrusion 5b of the backward rotating body 5 has no function, a corresponding protrusion 4b (as shown) is provided on the forward rotating body 4 to reduce the contact area with the main body 2 and reduce frictional resistance.

第１図と第２図に於いて、本発明が作動している時の主
動体１と従動体３の位置関係の変化を表すために、主動
体１の想像図として、１°と１°“を書き加えた。In FIG. 1 and FIG. 2, in order to express the change in the positional relationship between the main moving body 1 and the driven body 3 when the present invention is in operation, 1° and 1° are used as imaginary diagrams of the main moving body 1. “ was added.

実際には、本体２を基準にして、主動体１はその位置で
軸回転しく後述するよう若干の軸移動はする。）、その
動力を受けて従動体３が動くのだが、図面を見やすくる
すために、主動体１が動いているように見せかけて図示
し、また、以下の作動状態の説明をそれに合わせた表現
をした。In reality, the main movable body 1 rotates around its axis at that position with respect to the main body 2, and makes a slight axial movement as described later. ), the driven body 3 moves in response to the power, but in order to make the drawing easier to read, the illustration is made to appear as if the main moving body 1 is moving, and the following description of the operating state is expressed accordingly. Did.

主動体１と従動体３が本体２のそれぞれの軸受と軸に取
り付けられている、その位置は主動体１が従動体３の往
回動体４に接触する位置である。The main body 1 and the driven body 3 are attached to respective bearings and shafts of the main body 2, and the position is such that the main body 1 contacts the forward rotating body 4 of the driven body 3.

■　主動体１がモーターなどの動力に接続され矢印Ａの
方向に回転を始める。■ The main moving body 1 is connected to power such as a motor and starts rotating in the direction of arrow A.

この時、誘導棒１ｂは案内板６の往回動体４に向かった
面（下側の面）に接しているため、主動体１の回転軸は
その傘歯車１ａが柱受動面４ａを駆動する位置で固定さ
れており、従動体３は往方向（矢印Ｒの方向）へ回動す
る。At this time, since the guide rod 1b is in contact with the surface (lower surface) of the guide plate 6 facing the forward rotating body 4, the rotating shaft of the main moving body 1 has its bevel gear 1a driving the pillar driven surface 4a. The driven body 3 is fixed in position, and the driven body 3 rotates in the forward direction (direction of arrow R).

やがて従動体３はその回動を終えて一つの死点（従動体
３の往回動と復回動とが、お互いに切り替わる時に生ず
る静止する点。往復回動ではそれを二つ持つ。）を迎え
る。Eventually, the driven body 3 finishes its rotation and reaches a dead center (a stationary point that occurs when the forward rotation and backward rotation of the driven body 3 switch to each other. In reciprocating rotation, there are two such points.) Welcome.

前記■からここまでが図面の主動体１から主動体１′の
移動に相当する。The steps from (1) to here correspond to the movement of the main moving body 1 to the main moving body 1' in the drawings.

■　この主動体１“の位置で、その主動体１゜の回転軸
が平行移動するのだが、その平行移動は外部からの独立
した動力によるものではなく、今まで従動体３を動かし
ていた主動体１′自身の動力による。■ At this position of the main moving body 1", the axis of rotation of the main moving body 1" moves in parallel, but this parallel movement is not due to an independent power from the outside, but rather due to the main movement that was previously moving the driven body 3. Powered by body 1' itself.

それを細述すると次のようになる、従動体３は前記した
死点に達したことで、わずかな時間だけ静止しているが
、主動体１′は回転を続けている、その動力は主動体１
°の傘歯車１ａ’が、柱受動面４ａの終端から復受動面
５ａの始端へと駆は上がるように移動することで、主動
体１”自身の回転軸を移動させることに向けられる。The details are as follows. The driven body 3 has reached the dead center and remains stationary for a short time, but the main moving body 1' continues to rotate. body 1
The bevel gear 1a' moves upwardly from the end of the pillar driven surface 4a to the beginning of the second driven surface 5a, thereby moving the axis of rotation of the main moving body 1'' itself.

その時、案内板６は誘導棒１ｂ’に係って傘歯車１ａ”
が伝動できる受動面を限定している。At that time, the guide plate 6 engages the guide rod 1b' and the bevel gear 1a''
limits the passive surface that can transmit.

主動体１°が、その回転軸移動を終えると、それが持つ
動力は従動体３を動かすことに向けられ、従動体３を復
方向（矢印りの方）へ回動させていく。When the main moving body 1° completes its rotation axis movement, its power is directed to move the driven body 3, causing the driven body 3 to rotate in the backward direction (in the direction of the arrow).

前記■からここまでが図面の主動体１”から主動体１°
“への移動に相当する。The steps from ■ above to here are from the main moving body 1” to the main moving body 1° in the drawing.
“Equivalent to moving to.

■　主動体１″の位置では、それが持つ誘導棒１ｂ°′
が案内板６の往回動体５に向かった面（上側の面）に接
しているから、その主動体１”の回転軸は、その傘歯車
１ａ’”が復受動面５ａを駆動する位置で固定されてい
る。■ At the position of the main moving body 1″, the guide rod 1b°′ held by it
is in contact with the surface (upper surface) of the guide plate 6 facing the forward rotating body 5, so the rotation axis of the main moving body 1'' is at the position where the bevel gear 1a''' drives the backward driven surface 5a. Fixed.

その位置から、さらに傘歯車１ａ″が復受動面５ａを駆
動し続けると、従動体３は回動を続け、やがてその死点
（前記した一つの死点とは違うもう一つの死点）を迎え
、その位置で主動体１゛′はその回転軸を平行移動させ
る。From that position, as the bevel gear 1a'' continues to drive the driven surface 5a, the driven body 3 continues to rotate and eventually reaches its dead center (another dead center different from the one described above). At that position, the main moving body 1' moves its axis of rotation in parallel.

その方法は前記した主動体ｌ°の場合と同じであるが方
向は逆になる、つまり傘歯車１ａ”°は復受動面５ａの
終端から、柱受動面４ａの始端へと移動し、その回転軸
はもとの位置（主動体１の位置）に戻り、従動体３を往
方向（矢印りの方向）へ回動させる。The method is the same as in the case of the main moving body 1° described above, but the direction is reversed. That is, the bevel gear 1a"° moves from the end of the reciprocating driven surface 5a to the starting end of the column driven surface 4a, and its rotation The shaft returns to its original position (the position of the main moving body 1) and rotates the driven body 3 in the forward direction (in the direction of the arrow).

この回動によって、従動体３はもとの位置（前記した■
の位置）に戻る。This rotation causes the driven body 3 to return to its original position (see above
position).

前記■からここまでが図面では主動体１゛が主動体１の
位置まで移動したことに相当する。In the drawings, the steps from (1) to here correspond to the movement of the main moving body 1'' to the main moving body 1's position.

前記した■から、ここまでが−巡の往復回動となり、そ
れは主動体１が回転し続けることで繰り返される。The process from (1) to this point is a reciprocating rotation, which is repeated as the main moving body 1 continues to rotate.

第５図は本発明の他の実施例であり、その特徴は前述し
た一実施例と同じである。FIG. 5 shows another embodiment of the present invention, the features of which are the same as those of the embodiment described above.

従動体３は案内板（図示時）を挟み込んだ往回動体４と
復回動体５が回動部材７と一体化して成り立ち、その回
動部材７は主動体１と接触しないその位置で取り付けら
れている。The driven body 3 is constructed by integrating a forward rotating body 4 and a backward rotating body 5 with a guide plate (as shown) in between, and a rotating member 7, and the rotating member 7 is attached at a position where it does not come into contact with the main moving body 1. ing.

往回動体４と復回動体５は円盤の形状となり、それらが
それぞれ持つ受動面、復受動面４ａと復受動面５ａは角
度の大きい円弧の歯車となり、前記主動体１によって前
記従動体３が大きな角度（およそ３５０度）の往復回動
をしている。The forward rotating body 4 and the backward rotating body 5 have a disk shape, and their respective driven surfaces, the reverse driven surface 4a and the reverse driven surface 5a, are circular arc gears with a large angle. It rotates back and forth through a large angle (approximately 350 degrees).

（効果） このように本発明は、従来の機構には不可欠であった大
型部品のコンロット棒を省き、さらに主動体と従動体を
、共に歯車としたことで隣接させることを可能とし、著
しい小型化を実現した。(Effects) In this way, the present invention eliminates the connecting rod, which is a large component that is indispensable to conventional mechanisms, and further enables the driving body and the driven body to be adjacent to each other by using gears, resulting in a significantly smaller size. achieved.

また、大きな角度の往復回動が必要な場合、第５図に示
した実施例のように比較的容易に構成できる。Further, if reciprocating rotation of a large angle is required, it can be constructed relatively easily as in the embodiment shown in FIG.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明の一実施例の立体図であり、第２図はそ
の平面図であり、第３図はその分解立体図である、その
うちの第１図、第２図は内部構造がわかるように一部を
切り欠いたように図示しである。 第５図は本発明の他の実施例の立体図である。 第４図は従来の機構の代表例の立体図である。 １．１１・・・・・・主動体、１ａ・・・・・・傘歯車
（伝動面）、■ｂ・・・・・・誘導棒、２，１４・・・
・・・本体、２ａ・・・・・・軸受け、２ｂ・・・・・
・軸、３，１３・・・・・・従動体、４・・・・・・往
回動体、４ａ・・・・・・復受動面、４ｃ・・・・・・
凸部、４ｄ・・・・・・凹部、５・・・・・・復回動体
、５ｂ・・・・・・突起、６・・・・・・案内板、７・
・・・・・回動部材、８・・・・・・軸止め、９・・・
・・・ワッシャー　１０・・・・・・ビス、１２・・・
・・・コンロット棒Fig. 1 is a three-dimensional view of one embodiment of the present invention, Fig. 2 is a plan view thereof, and Fig. 3 is an exploded three-dimensional view thereof. The illustration is shown with a portion cut away for clarity. FIG. 5 is a three-dimensional view of another embodiment of the invention. FIG. 4 is a three-dimensional view of a typical example of a conventional mechanism. 1.11... Main moving body, 1a... Bevel gear (transmission surface), ■b... Guide rod, 2, 14...
...Main body, 2a...Bearing, 2b...
・Axis, 3, 13... Driven body, 4... Forward moving body, 4a... Return driven surface, 4c...
Convex portion, 4d...Concave portion, 5...Returning rotating body, 5b...Protrusion, 6...Guide plate, 7.
... Rotating member, 8 ... Shaft stop, 9 ...
...Washer 10...Screw, 12...
・・・Comlot stick

Claims (1)

【特許請求の範囲】[Claims] １、伝動面（歯車）を備えた軸回転する主動体と、該主
動体によって往復回動させられる従動体を有し、該従動
体は、前記主動体の回転軸に間隔をとって直交する軸に
回動自在に取り付けられ、二つの受動面（歯車）で構成
される特殊受動面（特殊歯車）を持ち、前記主動体の回
転時には、該主動体が、自らの回転軸を前記従動体に対
して相対的に、反復して平行移動させることで、前記し
た従動体の二つの受動面（歯車）をその前記伝動面（歯
車）で交互に駆動して前記従動体を往復回動させること
を特徴とする往復回動機構。1. It has a main moving body that rotates on an axis and is equipped with a transmission surface (gear), and a driven body that is reciprocated by the main moving body, and the driven body is orthogonal to the rotation axis of the main moving body at a distance. It has a special driven surface (special gear) that is rotatably attached to the shaft and is composed of two driven surfaces (gears), and when the main moving body rotates, the main moving body moves its own rotation axis to the driven body. By repeatedly moving in parallel relative to the driven body, the two driven surfaces (gears) of the driven body are alternately driven by the transmission surface (gears), and the driven body is rotated back and forth. A reciprocating rotation mechanism characterized by: