JPH11308A - Structure for supporting air-supply pump of light source device for endoscope - Google Patents
Structure for supporting air-supply pump of light source device for endoscopeInfo
- Publication number
- JPH11308A JPH11308A JP9154659A JP15465997A JPH11308A JP H11308 A JPH11308 A JP H11308A JP 9154659 A JP9154659 A JP 9154659A JP 15465997 A JP15465997 A JP 15465997A JP H11308 A JPH11308 A JP H11308A
- Authority
- JP
- Japan
- Prior art keywords
- air supply
- supply pump
- chassis
- light source
- source device
- 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.)
- Granted
Links
Landscapes
- Endoscopes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、内視鏡の送気管
に加圧空気を送り込むための送気ポンプを内蔵した内視
鏡用光源装置の送気ポンプ支持構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air supply pump support structure of an endoscope light source device having a built-in air supply pump for sending pressurized air to an air supply pipe of an endoscope.
【０００２】[0002]
【従来の技術】消化器内を検査するための内視鏡におい
ては検査中に体腔内に空気を送り込む必要があり、その
ための加圧空気は一般に光源装置に内蔵された送気ポン
プから供給されるようになっている。2. Description of the Related Art In an endoscope for examining the inside of a digestive organ, it is necessary to feed air into a body cavity during the examination, and pressurized air for this purpose is generally supplied from an air supply pump built in a light source device. It has become so.
【０００３】送気ポンプとしてはダイヤフラム式やピス
トン式等があるが、いずれも図５に示されるように、底
面部に取り付けられた防振ゴム製の足部９１が光源装置
のシャーシ９２にネジ止め固定されていた。As the air supply pump, there are a diaphragm type, a piston type, and the like. In each case, as shown in FIG. 5, a vibration-proof rubber foot 91 attached to the bottom surface is screwed to a chassis 92 of the light source device. Stopped and was fixed.
【０００４】[0004]
【発明が解決しようとする課題】しかし、ダイヤフラム
式及びピストン式の送気ポンプ共に、いずれも運転時に
は５０〜６０ヘルツの低周波振動が生じ、防振ゴムの圧
縮引張方向の防振性はそのような低周波の振動に対して
は効果がない。However, in both the diaphragm type and the piston type air supply pumps, low frequency vibration of 50 to 60 Hz is generated during operation, and the vibration damping properties of the vibration damping rubber in the compression-pull direction are the same. It has no effect on such low frequency vibrations.
【０００５】そのため、送気ポンプで発生した低周波振
動が足部９１を通して光源装置のシャーシ９２に伝わっ
て、光源装置内に配置された制御基板からチップ部品が
脱落する場合がある。また、足部９１の固定ネジが振動
によって緩んでしまう場合もある。For this reason, low frequency vibration generated by the air supply pump may be transmitted to the chassis 92 of the light source device through the foot portion 91, and the chip component may fall off from the control board disposed in the light source device. Further, the fixing screw of the foot 91 may be loosened by vibration.
【０００６】そこで本発明は、内蔵された送気ポンプか
ら発生する振動が光源装置のシャーシに伝わらず、光源
装置内の部品の脱落やネジの緩みが発生しない内視鏡用
光源装置の送気ポンプ支持構造を提供することを目的と
する。Accordingly, the present invention provides an air supply for an endoscope light source device in which vibrations generated from a built-in air supply pump are not transmitted to a chassis of the light source device, and parts in the light source device are not dropped or screws are not loosened. It is an object to provide a pump support structure.
【０００７】[0007]
【課題を解決するための手段】上記の目的を達成するた
め、本発明の内視鏡用光源装置の送気ポンプ支持構造
は、内視鏡の送気管に加圧空気を送り込むための送気ポ
ンプを内蔵した内視鏡用光源装置の送気ポンプ支持構造
において、上記光源装置のシャーシと上記送気ポンプの
底面とを間隔をあけて略平行に配置して、上記シャーシ
と上記送気ポンプの底面との中間位置において上記シャ
ーシと平行に形成され、その中間平行部と上記送気ポン
プとの間及び上記シャーシとの間においては上記シャー
シに対して斜め向きに形成された板バネを、上記シャー
シと上記送気ポンプの底面に対して固定したことを特徴
とする。In order to achieve the above object, an air supply pump supporting structure of an endoscope light source device according to the present invention is provided with an air supply for supplying pressurized air to an air supply pipe of an endoscope. In the air supply pump support structure of the endoscope light source device having a built-in pump, the chassis of the light source device and the bottom surface of the air supply pump are arranged substantially in parallel at an interval, and the chassis and the air supply pump are provided. A leaf spring formed in parallel with the chassis at an intermediate position with the bottom surface, and formed between the intermediate parallel portion and the air supply pump and between the chassis and formed obliquely to the chassis, It is characterized by being fixed to the chassis and the bottom surface of the air supply pump.
【０００８】なお、上記板バネが、上記送気ポンプ側か
ら上記中間平行部に向かって外側に広がり、上記中間平
行部から上記シャーシ側に向かって外側に広がる形状に
形成されていてもよい。[0008] The leaf spring may be formed so as to extend outward from the air supply pump toward the intermediate parallel portion and to extend outward from the intermediate parallel portion toward the chassis.
【０００９】そして、上記板バネが、上記送気ポンプと
上記中間平行部との間の部分において円弧状に形成され
ていてもよい。[0009] The leaf spring may be formed in an arc shape at a portion between the air supply pump and the intermediate parallel portion.
【００１０】[0010]
【発明の実施の形態】図面を参照して本発明の実施の形
態を説明する。図１及び図２は、内視鏡用光源装置に内
蔵されたダイヤフラム式の送気ポンプ１０を示してお
り、図１は側面図、図２は正面図である。Embodiments of the present invention will be described with reference to the drawings. 1 and 2 show a diaphragm type air supply pump 10 incorporated in an endoscope light source device, FIG. 1 is a side view, and FIG. 2 is a front view.
【００１１】送気ポンプ１０には、交流電流が流される
電磁石１１に対向して一対の永久磁石１２が設けられて
いる。そして、その永久磁石１２に連結された振動板１
３によってダイヤフラム１４が駆動され、吐出管１５か
ら加圧空気が吐出される。The air supply pump 10 is provided with a pair of permanent magnets 12 opposed to an electromagnet 11 through which an alternating current flows. The diaphragm 1 connected to the permanent magnet 12
The diaphragm 14 is driven by 3, and pressurized air is discharged from the discharge pipe 15.
【００１２】その結果、送気ポンプ１０運転中は、矢印
Ａで示される方向に５０〜６０ヘルツの低周波の振動が
発生する。加圧空気は、図示されていない内視鏡の送気
管に送られる。As a result, during the operation of the air supply pump 10, low frequency vibration of 50 to 60 Hz is generated in the direction indicated by the arrow A. The pressurized air is sent to an air supply pipe of an endoscope (not shown).
【００１３】送気ポンプ１０の底面部分には、板バネ２
がネジ止め固定されている。この板バネ２は厚さが０．
１ｍｍ〜０．２ｍｍ程度のバネ用鋼帯を曲げて形成され
ている。A leaf spring 2 is provided on the bottom of the air supply pump 10.
Are fixed with screws. This leaf spring 2 has a thickness of 0.
It is formed by bending a steel strip for spring of about 1 mm to 0.2 mm.
【００１４】送気ポンプ１０の底面とシャーシ１とは間
隔をあけてほぼ平行に配置されており、板バネ２には、
送気ポンプ１０の底面及びシャーシ１と略平行な中間平
行部２ａが、送気ポンプ１０の底面とシャーシ１との中
間位置に形成されている。The bottom surface of the air supply pump 10 and the chassis 1 are arranged substantially in parallel with a space therebetween.
An intermediate parallel portion 2 a substantially parallel to the bottom surface of the air supply pump 10 and the chassis 1 is formed at an intermediate position between the bottom surface of the air supply pump 10 and the chassis 1.
【００１５】そして図１に示されるように、板バネ２
は、中間平行部２ａの両側においてはシャーシ１に対し
て斜め向きに形成されていて、送気ポンプ１０の底面と
シャーシ１とにネジ止め固定されている。[0015] Then, as shown in FIG.
Are formed obliquely to the chassis 1 on both sides of the intermediate parallel portion 2a, and are fixed to the bottom surface of the air supply pump 10 and the chassis 1 by screws.
【００１６】このような板バネ２が、図２に示されるよ
うに、送気ポンプ１０の前後両端縁に沿って一対設けら
れていて、送気ポンプ１０を前後両側でシャーシ１に支
持している。As shown in FIG. 2, a pair of such leaf springs 2 are provided along both front and rear edges of the air supply pump 10, and the air supply pump 10 is supported on the chassis 1 on both front and rear sides. I have.
【００１７】板バネ２は、送気ポンプ１０との固定部側
から中間平行部２ａに向かって外側に広がり、中間平行
部２ａにおいてはそこから内側に向かったあと、中間平
行部２ａからシャーシ１側に向かって外側に広がる形状
に形成されている。The leaf spring 2 extends outward from the fixed portion side with the air supply pump 10 toward the intermediate parallel portion 2a, and inward from the intermediate parallel portion 2a, and then from the intermediate parallel portion 2a to the chassis 1 It is formed in a shape that spreads outward toward the side.
【００１８】さらに具体的には、この実施の形態におけ
る板バネ２は、送気ポンプ１０と中間平行部２ａとの間
の部分２ｂは円弧状に曲げて形成されており、中間平行
部２ａとシャーシ１との間の部分２ｃは、八の字状に円
弧と逆方向に曲げて形成されている。More specifically, the leaf spring 2 in this embodiment is formed by bending a portion 2b between the air supply pump 10 and the intermediate parallel portion 2a into an arc shape. The portion 2c between the chassis 1 and the chassis 1 is formed by bending in a figure eight shape in a direction opposite to the arc.
【００１９】その結果、板バネ２に圧縮引張力が働く際
に、送気ポンプ１０と中間平行部２ａとの間の部分２ｂ
は開閉し、中間平行部２ａは片持ち梁として作用し、さ
らに中間平行部２ａとシャーシ１との間が開閉して、板
バネ２が３段階に作用し、送気ポンプ１０から発生した
低周波振動が板バネ２の各部の変形で吸収されて、シャ
ーシ１に伝達されない。As a result, when a compression / tension force acts on the leaf spring 2, the portion 2b between the air supply pump 10 and the intermediate parallel portion 2a
Are opened and closed, the middle parallel portion 2a acts as a cantilever, and further, the gap between the middle parallel portion 2a and the chassis 1 opens and closes, the leaf spring 2 acts in three stages, and the low pressure generated by the air supply pump 10 The frequency vibration is absorbed by the deformation of each part of the leaf spring 2 and is not transmitted to the chassis 1.
【００２０】図３及び図４は本発明の第２の実施の形態
を示しており、ピストンによって空気を加圧するピスト
ン式の送気ポンプ２０に本発明を適用したものである。
図３は側面図、図４は正面図である。矢印Ｂは、送気ポ
ンプ２０運転時に生じる振動の方向を示している。FIGS. 3 and 4 show a second embodiment of the present invention, in which the present invention is applied to a piston type air supply pump 20 which pressurizes air with a piston.
FIG. 3 is a side view, and FIG. 4 is a front view. Arrow B indicates the direction of vibration generated during operation of the air supply pump 20.
【００２１】この実施の形態においては、板バネ２の送
気ポンプ２０と中間平行部２ａとの間の部分２ｂが台形
状に直線的に曲げられていることを除いて、送気ポンプ
２０をシャーシ１に支持する構造は第１の実施の形態と
同様であり、第１の実施の形態と同様の振動吸収効果を
有する。In this embodiment, except that the portion 2b of the leaf spring 2 between the air supply pump 20 and the intermediate parallel portion 2a is linearly bent in a trapezoidal shape, The structure supported by the chassis 1 is the same as that of the first embodiment, and has the same vibration absorbing effect as that of the first embodiment.
【００２２】[0022]
【発明の効果】本発明によれば、光源装置のシャーシと
送気ポンプの底面とを間隔をあけて略平行に配置して、
シャーシと送気ポンプの底面との中間位置においてはシ
ャーシと平行に形成され、その中間平行部と送気ポンプ
との間及びシャーシとの間においてはシャーシに対して
斜め向きに形成された板バネを、シャーシと送気ポンプ
の底面に対して固定したことにより、板バネに圧縮引張
力が働く際に、板バネが、中間平行部では片持ち梁とし
て作用し、その両側の斜め向き部では開閉作用してトー
タルとして３段階に作用するので、送気ポンプから発生
した低周波振動が板バネの各部の変形で吸収されてシャ
ーシに伝達されず、光源装置内の部品の脱落やネジの緩
み等が発生しない。According to the present invention, the chassis of the light source device and the bottom surface of the air supply pump are arranged substantially in parallel at an interval,
A leaf spring formed parallel to the chassis at an intermediate position between the chassis and the bottom surface of the air supply pump, and formed obliquely to the chassis between the intermediate parallel portion and the air supply pump and between the chassis. Is fixed to the chassis and the bottom surface of the air supply pump, so that when a compressive tension acts on the leaf spring, the leaf spring acts as a cantilever in the middle parallel portion, and in the obliquely oriented portions on both sides thereof. Since the opening and closing action acts in a total of three stages, the low frequency vibration generated from the air supply pump is absorbed by the deformation of each part of the leaf spring and is not transmitted to the chassis, and the components in the light source device fall off or the screws are loosened. Etc. do not occur.
【図１】本発明の第１の実施の形態の送気ポンプの側面
図である。FIG. 1 is a side view of an air supply pump according to a first embodiment of the present invention.
【図２】本発明の第１の実施の形態の送気ポンプの正面
図である。FIG. 2 is a front view of the air supply pump according to the first embodiment of the present invention.
【図３】本発明の第２の実施の形態の送気ポンプの側面
図である。FIG. 3 is a side view of an air supply pump according to a second embodiment of the present invention.
【図４】本発明の第２の実施の形態の送気ポンプの正面
図である。FIG. 4 is a front view of an air supply pump according to a second embodiment of the present invention.
【図５】従来の送気ポンプ支持部の部分拡大側面断面図
である。FIG. 5 is a partially enlarged side sectional view of a conventional air supply pump support.
１ シャーシ ２ 板バネ ２ａ 中間平行部 １０，２０ 送気ポンプ DESCRIPTION OF SYMBOLS 1 Chassis 2 Leaf spring 2a Intermediate parallel part 10, 20 Air supply pump
Claims (3)
の送気ポンプを内蔵した内視鏡用光源装置の送気ポンプ
支持構造において、 上記光源装置のシャーシと上記送気ポンプの底面とを間
隔をあけて略平行に配置して、上記シャーシと上記送気
ポンプの底面との中間位置においては上記シャーシと平
行に形成され、その中間平行部と上記送気ポンプとの間
及び上記シャーシとの間においては上記シャーシに対し
て斜め向きに形成された板バネを、上記シャーシと上記
送気ポンプの底面に対して固定したことを特徴とする内
視鏡用光源装置の送気ポンプ支持構造。1. An air supply pump support structure for an endoscope light source device having a built-in air supply pump for feeding pressurized air to an air supply pipe of an endoscope, wherein a chassis of the light source device and the air supply pump are provided. The bottom and the bottom are arranged substantially in parallel at intervals, and formed at the intermediate position between the chassis and the bottom of the air supply pump, in parallel with the chassis, between the middle parallel portion and the air supply pump and An air supply for an endoscope light source device, wherein a leaf spring formed obliquely to the chassis is fixed between the chassis and a bottom surface of the air supply pump and the chassis. Pump support structure.
中間平行部に向かって外側に広がり、上記中間平行部か
ら上記シャーシ側に向かって外側に広がる形状に形成さ
れている請求項１記載の内視鏡用光源装置の送気ポンプ
支持構造。2. The leaf spring is formed in such a shape that it extends outward from the air supply pump side toward the intermediate parallel portion and extends outward from the intermediate parallel portion toward the chassis side. An air supply pump support structure for the endoscope light source device according to any one of the preceding claims.
平行部との間の部分において円弧状に形成されている請
求項２記載の内視鏡用光源装置の送気ポンプ支持構造。3. The air supply pump support structure of an endoscope light source device according to claim 2, wherein said leaf spring is formed in an arc shape at a portion between said air supply pump and said intermediate parallel portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15465997A JP4010600B2 (en) | 1997-06-12 | 1997-06-12 | Structure for supporting air supply pump of light source device for endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15465997A JP4010600B2 (en) | 1997-06-12 | 1997-06-12 | Structure for supporting air supply pump of light source device for endoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11308A true JPH11308A (en) | 1999-01-06 |
| JP4010600B2 JP4010600B2 (en) | 2007-11-21 |
Family
ID=15589084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15465997A Expired - Fee Related JP4010600B2 (en) | 1997-06-12 | 1997-06-12 | Structure for supporting air supply pump of light source device for endoscope |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4010600B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002153424A (en) * | 2000-11-21 | 2002-05-28 | Asahi Optical Co Ltd | Light source device for endoscope |
| JP2014525785A (en) * | 2011-07-19 | 2014-10-02 | コーニンクレッカ フィリップス エヌ ヴェ | Household appliances with actuators |
| US9129328B2 (en) | 2000-02-23 | 2015-09-08 | Touchtunes Music Corporation | Process for ordering a selection in advance, digital system and jukebox for embodiment of the process |
-
1997
- 1997-06-12 JP JP15465997A patent/JP4010600B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9129328B2 (en) | 2000-02-23 | 2015-09-08 | Touchtunes Music Corporation | Process for ordering a selection in advance, digital system and jukebox for embodiment of the process |
| JP2002153424A (en) * | 2000-11-21 | 2002-05-28 | Asahi Optical Co Ltd | Light source device for endoscope |
| JP2014525785A (en) * | 2011-07-19 | 2014-10-02 | コーニンクレッカ フィリップス エヌ ヴェ | Household appliances with actuators |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4010600B2 (en) | 2007-11-21 |
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