JPS6253185B2 - - Google Patents
Info
- Publication number
- JPS6253185B2 JPS6253185B2 JP54142458A JP14245879A JPS6253185B2 JP S6253185 B2 JPS6253185 B2 JP S6253185B2 JP 54142458 A JP54142458 A JP 54142458A JP 14245879 A JP14245879 A JP 14245879A JP S6253185 B2 JPS6253185 B2 JP S6253185B2
- Authority
- JP
- Japan
- Prior art keywords
- scanner
- shaft
- gear
- sector gear
- drive 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
Links
Landscapes
- Ultra Sonic Daignosis Equipment (AREA)
Description
【発明の詳細な説明】
本発明は超音波診断装置における複合スキヤナ
の構造に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the structure of a composite scanner in an ultrasonic diagnostic apparatus.
以下、図面に示す一実施例に基づいて本発明を
説明する。第１図乃至第３図において、１は扇形
歯車で、該扇形歯車１を所定角度範囲にわたり正
逆回転させる駆動装置として、例えばモータ軸２
に間欠歯車３を設け、該間欠歯車３に対向してそ
の両側に配設され同間欠歯車３の回転によつて交
互に噛合するラツク４，５を具え、また軸受板６
上の案内板７に摺動自在に装着した摺動板８と同
摺動板８の一側に上記扇形歯車１と噛合するラツ
ク９を設ける。 The present invention will be described below based on an embodiment shown in the drawings. 1 to 3, reference numeral 1 denotes a sector gear, and a drive device for rotating the sector gear 1 in forward and reverse directions over a predetermined angle range is, for example, a motor shaft 2.
is provided with an intermittent gear 3 , racks 4 and 5 are disposed on both sides of the intermittent gear 3 and engage with each other alternately as the intermittent gear 3 rotates, and a bearing plate 6 is provided.
A sliding plate 8 is slidably attached to the upper guide plate 7, and a rack 9 that meshes with the sector gear 1 is provided on one side of the sliding plate 8.
この扇形歯車１の軸１０には傘歯車１１，１２
を介して略水平に配設した駆動軸１３を設け、該
駆動軸１３の端部は傘歯車１４，１５を介してこ
れを直交する軸１８に連係し、さらに傘歯車１
６，１７を介して上記軸１８と直交する軸１９に
連係し、該軸１９にはスキヤナ２０の保持具を形
成する。 The shaft 10 of this sector gear 1 has bevel gears 11 and 12.
A drive shaft 13 is disposed substantially horizontally through the drive shaft 13, and the ends of the drive shaft 13 are connected to a shaft 18 perpendicular to the drive shaft 18 through bevel gears 14 and 15.
6 and 17 to a shaft 19 perpendicular to the shaft 18, and the shaft 19 forms a holder for the scanner 20.
また、２１は駆動軸１３を内装し軸受を形成す
る中突軸で、該中突軸２１の端部には上記軸１
８，１９にたいする軸受部２２を設ける。一方、
本体の上部に形成した枠体２３，２４には駆動軸
１３と平行な案内軸２５，２６を設け、該案内軸
２５，２６にたいして摺動自在に軸受板２７，２
８を設け、該軸受板２７，２８をラツク２９によ
つて連係するとともに、軸受板２７に上記中空軸
２１の端部を固着し、ラツク２９に噛合する歯車
３０を具えた操作軸Ａを設ける。 Further, reference numeral 21 denotes a central protruding shaft that houses the drive shaft 13 and forms a bearing, and the end of the central protruding shaft 21 has the shaft 1
8 and 19 are provided. on the other hand,
Guide shafts 25, 26 parallel to the drive shaft 13 are provided on the frames 23, 24 formed on the upper part of the main body, and bearing plates 27, 2 are slidably mounted on the guide shafts 25, 26.
8, the bearing plates 27 and 28 are linked by a rack 29, the end of the hollow shaft 21 is fixed to the bearing plate 27, and an operating shaft A is provided which is provided with a gear 30 meshing with the rack 29. .
以上の構成において、上記軸受板６は後述する
如くモータＭの保持板にたいして軸１０を中心に
移動自在に形成し、操作軸Ａの回動によつて、歯
車３０、ラツク２９にて軸受板２７，２８の移動
を行うと共に扇形歯車１側を移動自在とする。他
方、上記枠体２３，２４の側部には一体的に側板
３２を設けて箱体状となし、軸受部材３３にたい
して軸受された軸３４を、枠体２３，２４にたい
して図示省略の固定手段を介して連係せしめると
共に、同軸３４の一側に扇形歯車３５を設け、同
歯車３５と噛合する歯車３６を具えた操作軸Ｂを
設ける。また、上記軸受部材３３は基台３７にた
いして枢着した操作軸Ｃに連係した移動台３８上
に設置する。 In the above configuration, the bearing plate 6 is formed to be movable about the shaft 10 with respect to the holding plate of the motor M, as will be described later. , 28, and the sector gear 1 side is made movable. On the other hand, side plates 32 are integrally provided on the sides of the frames 23 and 24 to form a box shape, and a shaft 34 supported by a bearing member 33 is fixed to the frames 23 and 24 by fixing means (not shown). A sector gear 35 is provided on one side of the same shaft 34, and an operating shaft B is provided with a gear 36 that meshes with the same gear 35. Further, the bearing member 33 is installed on a movable table 38 linked to an operating shaft C pivoted to a base 37.
つぎに、以上の構成に基づきその動作を説明す
る。いま、操作軸Ｃを操作して移動台３８を前後
左右または斜め方向の所要の位置、即ち被検査対
象物にたいしてスキヤナ２０を最適位置に設定す
る。この場合、また操作軸Ｂを操作することによ
つて、軸３４を中心に枠体２３，２４を矢印の如
く前後方向に揺動し、これに連係するスキヤナ２
０を所要の角度に設定することができる。つい
で、モータＭを回動することにより軸２における
間欠歯車３の回転と共に交互にラツク歯車４，５
に噛合し、摺動板８が案内板７に沿つて矢失の如
く左右に摺動し、この摺動板８の直線往復運動に
よつて、ラツク９に噛合する扇形歯車１を所定角
度範囲にわたり矢印の如く正逆回転させることが
できる。この扇形歯車１の回転は、傘歯車１１，
１２、駆動軸１３、傘歯車１４，１５、軸１８、
傘歯車１６，１７を介して軸１９を回動させるこ
とができ、該軸１９に設けたスキヤナ２０を所要
角度範囲にわたり正逆回転させることができる。 Next, the operation will be explained based on the above configuration. Now, by operating the operating shaft C, the movable table 38 is set at a required position in the front, rear, left, right, or diagonal direction, that is, the scanner 20 is set at the optimum position with respect to the object to be inspected. In this case, by operating the operation shaft B, the frames 23 and 24 are swung back and forth as shown by the arrows around the shaft 34, and the scanner 2
0 can be set to any desired angle. Then, by rotating the motor M, the lock gears 4 and 5 are alternately rotated as the intermittent gear 3 on the shaft 2 rotates.
The sliding plate 8 slides left and right along the guide plate 7 like an arrow, and the linear reciprocating movement of the sliding plate 8 moves the sector gear 1 meshing with the rack 9 within a predetermined angular range. It can be rotated forward and backward as shown by the arrow. The rotation of this sector gear 1 is caused by the bevel gear 11,
12, drive shaft 13, bevel gears 14, 15, shaft 18,
The shaft 19 can be rotated via the bevel gears 16 and 17, and the scanner 20 provided on the shaft 19 can be rotated in forward and reverse directions over a required angular range.
しかして、上記操作軸Ａを操作して歯車３０と
噛合するラツク２９を略中心位置にセツトすれ
ば、軸受板６はモータＭにたいして略中央位置に
あり、上記スキヤナ２０の可動角度範囲は、第４
図のａを中心に回動する様にセツトできる。つぎ
に、上記操作軸Ａを右に廻してラツク２９を右方
向に移送すると、その移送分だけ軸受板６が軸１
０を中心に矢印の如く偏倚し、またラツク９にた
いして扇形歯車１も相対的に回動し、駆動軸１３
を右方向に移行させると共に上記スキヤナ２０の
回転中心部を第４図のｂ位置に移し、上記扇形歯
車１の回動した角度に対応して回転角度の中心を
傾け、常に被検査対象物Ｄの中心に向けて
〔C1〕の如く走査することができる。これとは逆
に、操作軸Ａを左に廻しても同様にその移送分だ
け軸受板６を逆方向に偏倚し、駆動軸１３を左方
向に移行させると共に上記スキヤナ２０の回転中
心部を第４図のｃ位置に移動させることができ、
かつスキヤナ２０の回転角度の中心を傾けるの
で、常に被検査対象物Ｄの中心に向けて〔C2〕の
如く走査することができる。 If the operating shaft A is operated to set the rack 29 meshing with the gear 30 at approximately the center position, the bearing plate 6 will be at approximately the center position with respect to the motor M, and the movable angular range of the scanner 20 will be 4
It can be set to rotate around point a in the figure. Next, when the operating shaft A is turned to the right and the rack 29 is moved to the right, the bearing plate 6 is moved to the shaft 1 by the amount of movement.
0 as the center, and the sector gear 1 also rotates relative to the rack 9, and the drive shaft 13
is moved to the right, and the center of rotation of the scanner 20 is moved to position b in FIG. It is possible to scan toward the center of [C 1 ]. Conversely, when the operating shaft A is turned to the left, the bearing plate 6 is similarly biased in the opposite direction by the amount of movement, and the drive shaft 13 is moved to the left, and the center of rotation of the scanner 20 is rotated. It can be moved to position c in Figure 4,
In addition, since the center of the rotation angle of the scanner 20 is tilted, it is possible to always scan toward the center of the object D to be inspected as shown in [C 2 ].
本発明は以上にて説明した様な構成となしたこ
とにより、スキヤナ２０を一定角度範囲にわたり
正逆回転して所要の走査を行うことができると共
に、該スキヤナ２０の平行移動にたいして、その
回転角度の中心を常に被検査対象物に向くように
傾けることができ、この様な複数の走査によつて
被検査対象物Ｄの略全部を走査して、検査のもれ
をなくすことができる。 By having the configuration as described above, the present invention can rotate the scanner 20 in forward and reverse directions over a certain angle range to perform a desired scan, and also change the rotation angle of the scanner 20 with respect to the parallel movement of the scanner 20. can be tilted so that its center always faces the object to be inspected, and by performing such multiple scans, substantially the entire object to be inspected D can be scanned, thereby eliminating omissions in inspection.
なお、上記実施例においては、扇形歯車を所定
角度範囲にわたり正逆転させるための駆動装置と
して、間欠歯車に対向する二つのラツクを用いた
機械的な手段について述べたが、かゝる機械的な
手段のほか、第５図に示す如く、上記扇形歯車１
にモータ軸に連係したピニオン４０を噛合させ
て、該扇形歯車１の両側に対向し所要角度に突出
してなる突起４１，４２を具えたカム板４３を設
け、該カム板４３に保持スプリング４４を当接す
ると共に、カム板４３の一側に形成したカム４５
にマイクロスイツチ４６のアクチエータを対向さ
せ、上記モータＭをカム板４３の揺動によつて正
逆転の切換えを行う様にした、いわゆる電気的な
手段を利用してもさしつかえない。 In addition, in the above embodiment, a mechanical means using two racks facing an intermittent gear was described as a drive device for rotating the sector gear in the forward and reverse directions over a predetermined angular range. In addition to the means, as shown in FIG.
A pinion 40 linked to the motor shaft is engaged with the cam plate 43, which is provided with protrusions 41 and 42 facing both sides of the sector gear 1 and protruding at a required angle, and a holding spring 44 is attached to the cam plate 43. A cam 45 formed on one side of the cam plate 43 and in contact with the
It is also possible to use so-called electrical means, in which the actuator of the micro switch 46 is opposed to the cam plate 43, and the motor M is switched between forward and reverse directions by swinging the cam plate 43.
第１図は本発明の一実施例を示す複合スキヤナ
の要部分解斜視図、第２図は扇形歯車の駆動部の
平面図、第３図は同じく第２図の要部側面図、第
４図はスキヤナの走査動作の説明図、第５図は他
の実施例を示す扇形歯車の駆動部の要部斜視図で
ある。
同図中、１は扇形歯車、２はモータ軸、３は間
欠歯車、４，５，９はラツク、１３は駆動軸、２
０はスキヤナ、４３はカム板、４６はマイクロス
イツチ。
FIG. 1 is an exploded perspective view of the main parts of a composite scanner showing an embodiment of the present invention, FIG. 2 is a plan view of the sector gear drive section, FIG. 3 is a side view of the main parts of FIG. The figure is an explanatory diagram of the scanning operation of the scanner, and FIG. 5 is a perspective view of the main part of the sector gear drive section showing another embodiment. In the figure, 1 is a sector gear, 2 is a motor shaft, 3 is an intermittent gear, 4, 5, 9 is a rack, 13 is a drive shaft, 2
0 is the scanner, 43 is the cam plate, and 46 is the micro switch.
Claims (1)
せるための駆動装置を構成し、この扇形歯車の軸
に傘歯車を介して連係した駆動軸と同駆動軸の端
部に傘歯車を介して連係したスキヤナの保持具を
設け、上記駆動装置のモータ側にたいして傘歯車
側の相対的な回動に伴い上記駆動軸を軸方向に移
動自在に構成したことを特徴とする超音波診断装
置の複合スキヤナ。 ２ 駆動装置としてモータ軸の間欠歯車と、該間
欠歯車の両側に対向して間欠噛合するラツクを具
えた摺動板と同摺動板の一側に扇形歯車と噛合す
るラツクを設けてなることを特徴とする特許請求
の範囲第１項記載の超音波診断装置の複合スキヤ
ナ。 ３ 駆動軸と平行な軸をもつて揺動自在に軸支し
た軸受装置を構成したことを特徴とする特許請求
の範囲第１項記載の超音波診断装置の複合スキヤ
ナ。 ４ 駆動装置として扇形歯車の両側に所要角度を
もつて対向する突起を具えたカム板を設け、該カ
ム板により上記扇形歯車を駆動するモータの正逆
回転の切換を行う様に構成したことを特徴とする
特許請求の範囲第１項記載の超音波診断装置の複
合スキヤナ。[Claims] 1. A drive device for rotating a sector gear in forward and reverse directions over a predetermined angle range, a drive shaft linked to the shaft of the sector gear via a bevel gear, and a bevel at the end of the drive shaft. An ultrasonic wave device characterized in that a scanner holder is provided that is linked via a gear, and the drive shaft is configured to be movable in the axial direction as the bevel gear side rotates relative to the motor side of the drive device. A complex scanner of diagnostic equipment. 2. The driving device includes an intermittent gear on the motor shaft, a sliding plate with racks facing both sides of the intermittent gear and engaging intermittently, and a rack on one side of the sliding plate that engages with the sector gear. A composite scanner for an ultrasonic diagnostic apparatus according to claim 1, characterized in that: 3. A composite scanner for an ultrasonic diagnostic apparatus according to claim 1, characterized in that the scanner comprises a bearing device that is rotatably supported with an axis parallel to the drive shaft. 4. A cam plate having protrusions facing each other at a required angle is provided on both sides of the sector gear as a drive device, and the cam plate is configured to switch between forward and reverse rotation of the motor that drives the sector gear. A composite scanner for an ultrasonic diagnostic apparatus according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14245879A JPS5666248A (en) | 1979-11-02 | 1979-11-02 | Composite scanner of ultrasonic diagnosis apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14245879A JPS5666248A (en) | 1979-11-02 | 1979-11-02 | Composite scanner of ultrasonic diagnosis apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5666248A JPS5666248A (en) | 1981-06-04 |
| JPS6253185B2 true JPS6253185B2 (en) | 1987-11-09 |
Family
ID=15315777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14245879A Granted JPS5666248A (en) | 1979-11-02 | 1979-11-02 | Composite scanner of ultrasonic diagnosis apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5666248A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0254584U (en) * | 1988-10-12 | 1990-04-19 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4915914U (en) * | 1972-04-27 | 1974-02-09 | ||
| JPS55925Y2 (en) * | 1975-04-09 | 1980-01-11 |
-
1979
- 1979-11-02 JP JP14245879A patent/JPS5666248A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0254584U (en) * | 1988-10-12 | 1990-04-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5666248A (en) | 1981-06-04 |
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