JP2554863B2 - Slot opening detector - Google Patents
Slot opening detectorInfo
- Publication number
- JP2554863B2 JP2554863B2 JP61146208A JP14620886A JP2554863B2 JP 2554863 B2 JP2554863 B2 JP 2554863B2 JP 61146208 A JP61146208 A JP 61146208A JP 14620886 A JP14620886 A JP 14620886A JP 2554863 B2 JP2554863 B2 JP 2554863B2
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- detection
- throttle
- housing
- throttle opening
- 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
- 238000001514 detection method Methods 0.000 claims description 82
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000007257 malfunction Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、船外機用のエンジン等に用いられて好適な
スロットル開度検出器に関する。TECHNICAL FIELD The present invention relates to a throttle opening detector suitable for use in an engine for an outboard motor or the like.
［従来の技術］ 気化器のスロットル開度検出器として、実開昭61−36
508号公報に記載のものが提案されている。このスロッ
トル開度検出器は、気化器のスロットル軸に連結される
検出軸を備え、検出軸の端部に設けられる接点を、固定
部材の側に設けられている抵抗板に摺接し、抵抗板に対
する接点の当接位置によってスロットル軸の開度を検出
するようになっている。[Prior art] As a carburetor throttle opening detector
The one described in Japanese Patent No. 508 has been proposed. This throttle opening detector includes a detection shaft connected to a throttle shaft of a carburetor, and a contact provided at an end of the detection shaft is slidably contacted with a resistance plate provided on the fixed member side to form a resistance plate. The opening of the throttle shaft is detected by the contact position of the contact point with respect to.
上記スロットル開度検出器にあっては、気化器側の大
きな振動が検出軸および接点に伝わると、振動に弱い接
点に破損を生ずる。In the throttle opening detector, when a large vibration on the carburetor side is transmitted to the detection shaft and the contact, the contact weak against vibration is damaged.
そこで、上記従来のスロットル開度検出器にあって
は、検出軸にその回転軸を中心軸とするリング状のＶ溝
を形成し、このＶ溝に相対するリング状のＶ突起を固定
部材に設け、Ｖ溝とＶ突起とを相互に摺接保持させる弾
発部材を設けている。Therefore, in the above-mentioned conventional throttle opening degree detector, a ring-shaped V groove having the rotation axis as a central axis is formed on the detection shaft, and a ring-shaped V protrusion facing the V groove is used as a fixing member. An elastic member is provided to hold the V groove and the V protrusion in sliding contact with each other.
これにより、上記従来のスロットル開度検出器は検出
軸に設けたＶ溝を固定部材に設けたＶ突起に常に嵌合さ
せ、固定部材に設けられている抵抗板に対する接点の振
動を減少させ、接点と抵抗板との接触圧変化を最小限に
押え、振動による接点の破損を防止している。As a result, the above-mentioned conventional throttle opening detector always fits the V groove provided on the detection shaft with the V projection provided on the fixing member to reduce the vibration of the contact with the resistance plate provided on the fixing member. The change in contact pressure between the contact and the resistance plate is suppressed to a minimum to prevent damage to the contact due to vibration.
［発明が解決しようとする問題点］ しかしながら、上記従来のスロットル開度検出器にあ
っては、スロットル軸と検出軸とが相互に直接的に接触
する状態で連結されている。したがって、気化器側の大
きな振動が減衰されずに検出器の側に伝わり易い。これ
により、たとえ検出軸と固定部材とに前述のＶ溝とＶ突
起からなる嵌合構造を設けたとしても、検出軸に伝わっ
た大きな振動が接点に及ぼす悪影響を充分に除去するこ
とはできない。すなわち、振動による検出器の作動不良
発生を確実に防止することはできない。[Problems to be Solved by the Invention] However, in the above-mentioned conventional throttle opening degree detector, the throttle shaft and the detection shaft are connected so as to be in direct contact with each other. Therefore, large vibrations on the carburetor side are not attenuated and are easily transmitted to the detector side. As a result, even if the detection shaft and the fixing member are provided with the above-described fitting structure composed of the V groove and the V protrusion, it is not possible to sufficiently eliminate the adverse effect of the large vibration transmitted to the detection shaft on the contacts. That is, it is not possible to reliably prevent the malfunction of the detector due to the vibration.
なお、気化器のスロットル開度検出器として、実開昭
59−22945号公報に記載の如く、スロットル軸に固定し
た第１連接棒の軸端と、検出軸に固定した第２連接棒の
軸端とを嵌合してなるものがある。ところがこのスロッ
トル開度検出器にあっては、以下の如くの問題点があ
る。As a throttle opening detector for the carburetor,
As described in JP-A-59-22945, there is one in which a shaft end of a first connecting rod fixed to a throttle shaft and a shaft end of a second connecting rod fixed to a detection shaft are fitted. However, this throttle opening detector has the following problems.
両連接棒の軸端を互いに嵌合するものであるから、気
化器本体の組立誤差や取付誤差、スロットル開度検出器
の組立誤差や取付誤差を吸収するため、両連接棒の軸端
の雄雌嵌合部（雄型軸端の雌型軸端の嵌合部）に比較的
大きなクリアランスが必要となる。Since the shaft ends of both connecting rods are fitted to each other, in order to absorb the assembly error and mounting error of the carburetor body and the assembly error and mounting error of the throttle opening detector, the male end of the shaft end of both connecting rods is absorbed. A relatively large clearance is required in the female fitting portion (fitting portion of the male shaft end and the female shaft end).
上記の嵌合クリアランスは、両連接棒の軸直角断面
と軸方向断面の双方に存在する。そして、軸直角断面に
存在するクリアランスは、スロットル軸に対する検出軸
の回転がたの原因となり、スロットル開度の検出誤差を
生ずる。また、軸方向断面に存在するクリアランスは、
スロットル開度検出器を気化器本体に弾性マウントした
とき、両連接棒が互いに同軸状態から折れ合う如くを招
いて互いに干渉し、スロットル開度の安定円滑な検出を
阻害する。The above fitting clearance exists in both the cross section perpendicular to the axis and the cross section in the axial direction of both connecting rods. The clearance existing in the cross section perpendicular to the axis causes the rotation of the detection shaft with respect to the throttle shaft, resulting in a detection error of the throttle opening. The clearance existing in the axial section is
When the throttle opening detector is elastically mounted on the carburetor body, the connecting rods cause the connecting rods to be bent from the coaxial state and interfere with each other, thereby hindering stable and smooth detection of the throttle opening.
本発明は、気化器のスロットル開度検出器において、
振動による検出器の作動不良発生を確実に防止するとと
もに、スロットル開度の検出精度を向上し、かつスロッ
トル開度を安定円滑に検出することを目的とする。The present invention is a carburetor throttle opening detector,
An object of the present invention is to reliably prevent the malfunction of the detector due to vibration, improve the detection accuracy of the throttle opening, and detect the throttle opening stably and smoothly.
［課題を解決するための手段］ 請求項１に記載の本発明は、スロットルボデーに取付
けられるハウジングと、ハウジングに支持されて該ハウ
ジングの内外に貫通し、スロットル軸に連結される検出
軸と、ハウジング内に設けられる検出板と、検出軸に設
けられて検出板に当接する検出接点とを有し、検出板に
対する検出接点の当接位置により検出軸に連結されるス
ロットル軸の回転角度位置を検出するスロットル開度検
出器において、検出軸とスロットル軸が略同軸で、両軸
の軸端が隙間を介して相対する状態で、両軸の軸端に結
合された可撓継手により連結されてなり、前記ハウジン
グが弾性マウント部を介してスロットルボデーに取付け
られるものである。[Means for Solving the Problems] The present invention according to claim 1 includes a housing attached to the throttle body, a detection shaft supported by the housing, penetrating into and out of the housing, and connected to the throttle shaft. It has a detection plate provided in the housing and a detection contact that is provided on the detection shaft and contacts the detection plate.The rotation angle position of the throttle shaft connected to the detection shaft is determined by the contact position of the detection contact with the detection plate. In the throttle opening detector for detection, the detection shaft and the throttle shaft are substantially coaxial, and the shaft ends of both shafts face each other with a gap, and are connected by a flexible joint connected to the shaft ends of both shafts. The housing is attached to the throttle body via the elastic mount.
［作用］ 本発明によれば、下記、の作用がある。[Operation] According to the present invention, there are the following operations.
スロットル軸に生ずる大きな振動は、可撓継手の撓み
によって減衰された状態で検出軸に伝われる。したがっ
て、スロットル軸に生ずる大きな振動は、可撓継手の存
在によって減衰された状態で検出軸に伝わり、これによ
り、振動による検出器の作動不良発生を確実に防止する
ことができる。The large vibration generated in the throttle shaft is transmitted to the detection shaft in a state of being damped by the bending of the flexible joint. Therefore, a large vibration generated in the throttle shaft is transmitted to the detection shaft in a state of being attenuated by the presence of the flexible joint, and thereby it is possible to reliably prevent the malfunction of the detector due to the vibration.
検出軸とスロットル軸が略同軸で、両軸の軸端が隙間
を介して相対する状態で、両軸の軸端に結合された可撓
継手によって連結されている。したがって、検出軸とス
ロットル軸の連結部で、両軸の軸直角断面と軸方向断面
の双方に何らの連結がたを伴わない。このため、スロッ
トル軸に対する検出軸の回転がたがなく、スロットル開
度の検出精度を向上できる。また、スロットル軸と検出
軸が互いに同軸状態から折れ合って干渉することがな
く、スロットル開度を安定円滑に検出できる。The detection shaft and the throttle shaft are substantially coaxial, and the shaft ends of both shafts are connected by a flexible joint connected to the shaft ends of the shafts with the shaft ends facing each other with a gap. Therefore, at the connecting portion between the detection shaft and the throttle shaft, there is no connection in both the cross section perpendicular to the shaft and the cross section in the axial direction. Therefore, the detection shaft does not rotate with respect to the throttle shaft, and the detection accuracy of the throttle opening can be improved. Further, the throttle opening can be detected stably and smoothly without the throttle shaft and the detection shaft folding from the coaxial state and interfering with each other.
［実施例］ 第１図は本発明が適用された船外機を示す側面図、第
２図は本発明の一実施例を一部破断して示す正面図、第
３図は第２図のIII−III線に沿う矢視図である。[Embodiment] FIG. 1 is a side view showing an outboard motor to which the present invention is applied, FIG. 2 is a partially cutaway front view showing an embodiment of the present invention, and FIG. It is an arrow line view which follows the III-III line.
船外機１は、第１図に示すように、船体２に取付ブラ
ケット３を介して取付けられ、その推進ユニット４の上
部にエンジン５を搭載している。エンジン５は、カウン
タ６に覆われ、各気筒の吸気管路７に気化器８を接続さ
れている。９は吸気箱である。As shown in FIG. 1, the outboard motor 1 is mounted on a hull 2 via a mounting bracket 3, and an engine 5 is mounted on an upper portion of its propulsion unit 4. The engine 5 is covered with a counter 6, and a carburetor 8 is connected to an intake pipe line 7 of each cylinder. Reference numeral 9 is an intake box.
スロットル開度検出器10は、第２図に示すように気化
器８の本体8A（スロットルボデー）に取付ブラケット11
を介して取付けられ、基部12とキャップ部13とからなる
ハウジング14と、ハウジング14の基部12に支持されて該
ハウジング14の内外に貫通し、気化器８のスロットル軸
15に連結される検出軸16と、ハウジング14のキャップ部
13の内面に設けられる抵抗板（検出板）17と、検出軸16
に一体化される導電板基台18に導電板19を介して設けら
れ、抵抗板17に当接する検出接点20とを有する。15Aは
スロットル弁、20Aはリード線である。すなわち、スロ
ットル開度検出器10は、ポテンショメータ方式によって
スロットル開度を検出するものであり、抵抗板17に対す
る接点20に当接位置により抵抗値が変化して、検出軸16
に連結されるスロットル軸15の回転角度位置を検出す
る。The throttle opening detector 10 is mounted on the body 8A (throttle body) of the carburetor 8 as shown in FIG.
A housing 14 including a base portion 12 and a cap portion 13, and a housing 14 which is supported by the base portion 12 of the housing 14 and penetrates the inside and the outside of the housing 14 to form a throttle shaft of the carburetor 8.
Detection shaft 16 connected to 15 and the cap of housing 14
A resistance plate (detection plate) 17 provided on the inner surface of 13 and a detection shaft 16
And a detection contact 20 provided on a conductive plate base 18 via a conductive plate 19 and abutting against the resistance plate 17. 15A is a throttle valve and 20A is a lead wire. That is, the throttle opening detector 10 detects the throttle opening by the potentiometer method, and the resistance value changes depending on the contact position of the contact 20 to the resistance plate 17, and the detection shaft 16
The rotational angle position of the throttle shaft 15 connected to is detected.
ここで、スロットル開度検出器10は、第２図に示すよ
うに、ハウジング14の基部12をボルト21により取付ブラ
ケット11に固定し、取付ブラケット11にゴムマウント部
22を設け、ゴムマウント部22をボルト23により気化器８
の本体8Aに固定している。ゴムマウント部22とボルト23
の間には、フランジ付カラー24A、ワッシャ24Bが介在さ
れる。As shown in FIG. 2, the throttle opening detector 10 has a base portion 12 of a housing 14 fixed to a mounting bracket 11 with bolts 21 and a rubber mounting portion on the mounting bracket 11.
22 is provided, and the rubber mount 22 is attached to the carburetor 8 by the bolt 23.
It is fixed to the main body 8A. Rubber mount 22 and bolt 23
A flanged collar 24A and a washer 24B are interposed between them.
また、スロットル軸15と検出軸16は、第２図、第３図
に示すように、略同軸で、両軸15、16の軸端が隙間を介
して相対する状態で、両軸15、16の軸端まわりに連結さ
れた合成樹脂製の可撓継手25によって連結される。可撓
継手25の両方の結合端部は、スロットル軸15、検出軸16
に相対する端部のそれぞれにピン26、27により結合され
ている。Further, as shown in FIGS. 2 and 3, the throttle shaft 15 and the detection shaft 16 are substantially coaxial, and the shaft ends of both shafts 15 and 16 face each other with a gap interposed therebetween. Are connected by a flexible joint 25 made of synthetic resin, which is connected around the shaft end of. Both joint ends of the flexible joint 25 have a throttle shaft 15, a detection shaft 16
Are connected by pins 26, 27 respectively to the ends facing each other.
さらに、スロットル開度検出器10は、ハウジング14の
内容に位置する検出軸16の端部を円錐突起状のテーパー
軸部18とするとともに、検出軸16の軸上に位置するキャ
ップ部13の内面に円錐凹面状のテーパー受部29を形成し
ている。また、ハウジング14の基部12と検出軸16に一体
の導電板基台18との間に介在させた弾発部材（ウエブワ
ッシャ）30の弾発力により、テーパー軸部を28をテーパ
ー受部29に押圧し、テーパー軸部28をテーパー受部29に
支持させている。弾発部材30はコイルスプリングでもよ
い。なお、31は弾発部材30を背面支持するワッシャ受部
材、32はＯリングである。Further, the throttle opening detector 10 is configured such that the end of the detection shaft 16 located in the contents of the housing 14 is a tapered shaft portion 18 having a conical projection shape, and the inner surface of the cap portion 13 located on the axis of the detection shaft 16 is formed. A taper receiving portion 29 having a conical concave surface shape is formed in. Further, the elastic force of the elastic member (web washer) 30 interposed between the base 12 of the housing 14 and the conductive plate base 18 integral with the detection shaft 16 causes the taper shaft portion 28 to move to the taper receiving portion 29. The taper shaft portion 28 is supported by the taper receiving portion 29 by pressing. The elastic member 30 may be a coil spring. Incidentally, 31 is a washer receiving member for supporting the elastic member 30 on the back surface, and 32 is an O-ring.
第４図は上記スロットル開度検出器10において、検出
器16とハウジング14の相対変位が接点20の振動に及ぼす
影響を示す模式図である。は検出軸16のハウジング14
のテーパー嵌合位置、は検出軸16がハウジング14を貫
通して支持されている位置、は接点20の位置を示す。
の部分における検出軸16の軸直角方向への振幅はテー
パー嵌合により零である。の部分における検出軸16
は、検出軸16とハウジング14の軸受クリアランス分に相
当する振幅ｘで、該検出軸16の軸直角方向へ振動する。
上記検出軸の振幅がｘで接点20に与える影響（振幅ｙ）
は部と部の長さをl1、検出軸16に対する接点20のう
での長さをl2とすると、 ｙ＝（l1/l2）・ｘ となり、テーパー嵌合部を備えない場合の半分以下とな
る。FIG. 4 is a schematic diagram showing the influence of the relative displacement of the detector 16 and the housing 14 on the vibration of the contact 20 in the throttle opening detector 10. Is the housing 14 of the detection shaft 16
Indicates the taper fitting position, the position where the detection shaft 16 is supported through the housing 14, and the position of the contact 20.
The amplitude of the detection shaft 16 in the direction perpendicular to the axis of the portion is zero due to the taper fitting. Detection axis 16 in the part
Vibrates in the direction orthogonal to the axis of the detection shaft 16 with an amplitude x corresponding to the bearing clearance between the detection shaft 16 and the housing 14.
Effect of the above detection axis amplitude on the contact 20 at x (amplitude y)
Let l1 be the length of each part and l2 be the length of the contact point 20 against the detection shaft 16, then y = (l1 / l2) x, which is less than half that without the tapered fitting part. Become.
なお、上記スロットル開度検出器10において、検出器
16とハウジング14の間の、該検出軸16の軸方向への相対
的な振動は、弾発部材30の弾発力が該検出軸16をテーパ
ー受部29に向けて常に弾発しているために零である。In addition, in the throttle opening detector 10, the detector
The relative vibration in the axial direction of the detection shaft 16 between the housing 16 and the housing 14 is because the elastic force of the elastic member 30 constantly elastically elastically directs the detection shaft 16 toward the taper receiving portion 29. Is zero.
第５図（Ａ）、（Ｂ）、（Ｃ）は可撓継手25の変形状
態を示す模式図である。スロットル軸15と検出軸16の変
位ｘ、ｙ、ｚは可撓継手25の曲げ変形またはねじり変形
によって吸収される。この場合の可撓継手25の薄板状可
撓部25Aの幅をｂ、厚みをｈとすれば、該継手25の曲
げモーメントの大きさを決定する断面係数S1は、 S1＝bh2/6 であり、該継手25の回転トルクの大きさを決定する断
面係数S2は、 S2＝hb2/6 である。例えば、ｂ＝10mm、ｈ＝0.5mmとすれば、S1＝
0.42、S2＝8.33となり、S2はS1の約20倍となり、継手25
は振動の変位を吸収し、かつ回転トルクを十分に伝える
ことができる。5 (A), (B), and (C) are schematic views showing the deformed state of the flexible joint 25. The displacements x, y, z of the throttle shaft 15 and the detection shaft 16 are absorbed by the bending or twisting deformation of the flexible joint 25. If the width of the thin plate flexible portion 25A of the flexible joint 25 in this case b, and thickness is h, the section modulus S1 for determining the magnitude of the bending moment該継hand 25, in S1 = bh 2/6 There, section modulus S2 for determining the magnitude of the rotational torque of該継hand 25 is S2 = hb 2/6. For example, if b = 10 mm and h = 0.5 mm, then S1 =
0.42, S2 = 8.33, S2 is about 20 times that of S1, and fitting 25
Can absorb the displacement of vibration and can sufficiently transmit the rotational torque.
次に上記実施例の作用について説明する。 Next, the operation of the above embodiment will be described.
上記実施例によれば、気化器８のスロットル軸15に生
ずる大きな振動は、可撓継手25のたわみによって減衰さ
れた状態で検出軸16に伝わる。According to the above-described embodiment, the large vibration generated in the throttle shaft 15 of the carburetor 8 is transmitted to the detection shaft 16 in a state of being damped by the deflection of the flexible joint 25.
また、検出軸16のテーパー軸部28とハウジング14のテ
ーパー受部29とは弾発部材30の弾発力によって常にテー
パー嵌合状態を保ち、検出軸16の軸直角方向への、検
出軸16とハウジング14との相対変位は上記テーパー嵌合
によって抑制され、検出軸16の軸方向への、検出軸16
とハウジング14との相当変位は弾発力の存在によって抑
制され、結果として、ハウジング14の側の検出板17に対
する検出軸16の側の接点20の振動を最小限に抑えること
が可能となる。したがって、気化器８のスロットル軸15
に生ずる大きな振動は、可撓継手25の存在によって減衰
された状態で検出軸16に伝わり、検出軸16に伝わること
となる比較的小さな振動が接点20に及ぼす悪影響は、前
述のテーパー嵌合構造および弾発部材30の存在によって
ほぼ完全に抑えられる。これにより、振動による検出器
10の作動不良発生を確実に防止することができる。Further, the taper shaft portion 28 of the detection shaft 16 and the taper receiving portion 29 of the housing 14 always maintain a taper fitting state by the elastic force of the elastic member 30, and the detection shaft 16 in the direction perpendicular to the detection shaft 16 The relative displacement between the housing and the housing 14 is suppressed by the above-mentioned taper fitting, and the detection shaft 16 in the axial direction of the detection shaft 16 is prevented.
The corresponding displacement between the housing 14 and the housing 14 is suppressed by the presence of elastic force, and as a result, it is possible to minimize the vibration of the contact 20 on the detection shaft 16 side with respect to the detection plate 17 on the housing 14 side. Therefore, the throttle shaft 15 of the carburetor 8
The large vibration that occurs in the contact shaft 20 is transmitted to the detection shaft 16 in a state of being attenuated by the presence of the flexible joint 25, and the relatively small vibration that is transmitted to the detection shaft 16 adversely affects the contact 20. And the presence of the elastic member 30 is almost completely suppressed. This allows the detector due to vibration
It is possible to reliably prevent the occurrence of 10 malfunctions.
また、検出軸16とスロットル軸15が略同軸で、両軸の
軸端が隙間を介して相対する状態で、両軸の軸端に結合
された可撓継手25により連結されている。したがって、
検出軸16とスロットル軸15の連結部で、両軸の軸直角断
面と軸方向断面の双方に何らの連結がたを伴わない。こ
のため、スロットル軸15に対する検出軸16の回転がたが
なく、スロットル開度の検出精度を向上できる。また、
スロットル軸15と検出軸16が互いに同軸状態から折れ合
って干渉することがなく、スロットル開度を安定円滑に
検出できる。Further, the detection shaft 16 and the throttle shaft 15 are substantially coaxial with each other and are connected by a flexible joint 25 connected to the shaft ends of both shafts in a state where the shaft ends of both shafts face each other with a gap. Therefore,
At the connecting portion between the detection shaft 16 and the throttle shaft 15, there is no connection in both the cross section perpendicular to the shaft and the cross section in the axial direction. Therefore, the detection shaft 16 does not rotate with respect to the throttle shaft 15, and the detection accuracy of the throttle opening can be improved. Also,
The throttle opening can be detected stably and smoothly without the throttle shaft 15 and the detection shaft 16 bending from the coaxial state and interfering with each other.
なお、上記実施例にあっては、気化器８の本体8Aとハ
ウジング14の間にゴムマウント部22を介在しているか
ら、該本体8Aからハウジング14に伝わる振動も減衰さ
れ、振動による検出軸の作動不良発生をより確実に防止
できる。In the above embodiment, since the rubber mount portion 22 is interposed between the main body 8A of the carburetor 8 and the housing 14, the vibration transmitted from the main body 8A to the housing 14 is also damped, and the detection shaft caused by the vibration is detected. It is possible to more reliably prevent the occurrence of malfunction of.
なお、スロットル軸15と検出軸16の軸ずれは、上記ゴ
ムマウント部22の存在によって大きくなるが、この軸ず
れは前記可撓継手25により吸収できる。Although the axial displacement between the throttle shaft 15 and the detection shaft 16 becomes large due to the existence of the rubber mount portion 22, this axial displacement can be absorbed by the flexible joint 25.
また、可撓継手25は、スロットル軸15、検出軸16の回
転方向における剛性が高く、スロットル軸15の回転力を
検出軸16に確実に伝える。Further, the flexible joint 25 has high rigidity in the rotational direction of the throttle shaft 15 and the detection shaft 16, and reliably transmits the rotational force of the throttle shaft 15 to the detection shaft 16.
さらに、本実施例では、検出板17をハウジング14の内
面に直接設けたが、別部材を介在させて設けてもよい。
この場合、テーパー受部29はこの別部材に形成される。Further, although the detection plate 17 is directly provided on the inner surface of the housing 14 in this embodiment, it may be provided by interposing another member.
In this case, the taper receiving portion 29 is formed on this separate member.
以上のように本発明によれば、スロットル開度検出器
において、振動による検出器の作動不良発生を確実に防
止するとともに、スロットル開度の検出精度を向上し、
かつスロットル開度を安定円滑に検出することができ
る。As described above, according to the present invention, in the throttle opening detector, it is possible to reliably prevent the malfunction of the detector due to vibration, and improve the detection accuracy of the throttle opening.
Moreover, the throttle opening can be detected stably and smoothly.
第１図は本発明が適用された船外機を示す側面図、第２
図は本発明の一実施例を一部破断して示す正面図、第３
図は第２図のIII−III線に沿う矢視図、第４図は検出軸
の振動が接点の振動に及ぼす影響を示す模式図、第５図
（Ａ）、（Ｂ）、（Ｃ）は可撓継手の変形状態を示す模
式図である。 ８……気化器、10……スロットル開度検出器、14……ハ
ウジング、15……スロットル軸、16……検出軸、17……
抵抗板（検出板）、20……検出接点、22……ゴムマウン
ト部、25……可撓継手、28……テーパー軸部、29……テ
ーパー受部、30……弾発部材。FIG. 1 is a side view showing an outboard motor to which the present invention is applied, and FIG.
FIG. 3 is a front view showing an embodiment of the present invention partially broken away,
The drawing is a view taken along the line III-III in FIG. 2, and FIG. 4 is a schematic view showing the influence of the vibration of the detection shaft on the vibration of the contact, and FIGS. 5 (A), (B), and (C). [Fig. 3] is a schematic view showing a deformed state of a flexible joint. 8 ... Vaporizer, 10 ... Throttle opening detector, 14 ... Housing, 15 ... Throttle shaft, 16 ... Detection shaft, 17 ...
Resistance plate (detection plate), 20 ... detection contact, 22 ... rubber mount part, 25 ... flexible joint, 28 ... taper shaft part, 29 ... taper receiving part, 30 ... elastic member.
Claims (1)
グと、ハウジングに支持されて該ハウジングの内外に貫
通し、スロットル軸に連結される検出軸と、ハウジング
内に設けられる検出板と、検出軸に設けられて検出板に
当接する検出接点とを有し、検出板に対する検出接点の
当接位置により検出軸に連結されるスロットル軸の回転
角度位置を検出するスロットル開度検出器において、検
出軸とスロットル軸が略同軸で、両軸の軸端が隙間を介
して相対する状態で、両軸の軸端に結合された可撓継手
により連結されてなり、前記ハウジングが弾性マウント
部を介してスロットルボデーに取付けられるスロットル
開度検出器。1. A housing attached to a throttle body, a detection shaft supported by the housing, penetrating into and out of the housing, connected to a throttle shaft, a detection plate provided in the housing, and a detection shaft. A throttle opening detector for detecting the rotational angle position of the throttle shaft connected to the detection shaft by the contact position of the detection contact with the detection plate. Are substantially coaxial and the shaft ends of both shafts face each other with a gap therebetween, and are connected by a flexible joint connected to the shaft ends of both shafts, and the housing is connected to the throttle body via an elastic mount portion. Attachable throttle opening detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61146208A JP2554863B2 (en) | 1986-06-24 | 1986-06-24 | Slot opening detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61146208A JP2554863B2 (en) | 1986-06-24 | 1986-06-24 | Slot opening detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS635122A JPS635122A (en) | 1988-01-11 |
| JP2554863B2 true JP2554863B2 (en) | 1996-11-20 |
Family
ID=15402563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61146208A Expired - Lifetime JP2554863B2 (en) | 1986-06-24 | 1986-06-24 | Slot opening detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2554863B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR940000550B1 (en) * | 1991-02-02 | 1994-01-24 | 한국과학기술연구원 | Accelerated flocculation water purification method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55115205A (en) * | 1979-02-28 | 1980-09-05 | Yamaha Motor Co Ltd | Device for holding electric part in vibrationnproof |
| JPS5922945U (en) * | 1982-08-04 | 1984-02-13 | 日産自動車株式会社 | Intake throttle valve opening detection device for internal combustion engine |
-
1986
- 1986-06-24 JP JP61146208A patent/JP2554863B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS635122A (en) | 1988-01-11 |
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|---|---|---|---|
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| EXPY | Cancellation because of completion of term |