JPS5912654Y2 - Assembly structure of shaft and knob - Google Patents
Assembly structure of shaft and knobInfo
- Publication number
- JPS5912654Y2 JPS5912654Y2 JP4915678U JP4915678U JPS5912654Y2 JP S5912654 Y2 JPS5912654 Y2 JP S5912654Y2 JP 4915678 U JP4915678 U JP 4915678U JP 4915678 U JP4915678 U JP 4915678U JP S5912654 Y2 JPS5912654 Y2 JP S5912654Y2
- Authority
- JP
- Japan
- Prior art keywords
- knob
- shaft
- blind hole
- pawl
- circumferential groove
- 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
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Mechanical Control Devices (AREA)
Description
【考案の詳細な説明】
本考案は、種々の器機、その中でも特に自動車用コント
ロールケーブルや同スイッチ類に用いられる操作用シャ
フトに操作用ノブを組み付けるための組付構造に関する
。[Detailed Description of the Invention] The present invention relates to an assembly structure for assembling an operating knob to an operating shaft used in various devices, particularly automobile control cables and switches thereof.
従来、この種のシャフトとノブを固定的に組み付けるた
め、一般的に第１図に示した方式が採用されている。Conventionally, in order to securely assemble this type of shaft and knob, the method shown in FIG. 1 has generally been adopted.
第１図に示した組付構造は、雄ねじを有するシャフト１
の端部をノブ２の雌ねじ穴３内にねじ込み、さらに、ノ
ブ２の外部より止めねし６をノブ２に設けた前記雌ねじ
穴３に直交する雌ねじ穴５内にねじ込むとともに該止め
ねじ６の先端をシャフト１のねじ部の定位置に設けた切
り欠き４内に押し込んでなるものである。The assembly structure shown in FIG.
The end of the knob 2 is screwed into the female threaded hole 3 of the knob 2, and a set screw 6 is screwed from the outside of the knob 2 into the female threaded hole 5 which is perpendicular to the female threaded hole 3 provided in the knob 2. The tip is pushed into a notch 4 provided at a fixed position in the threaded portion of the shaft 1.
この組付構造は、シャフトをノブに確実に固定できるも
のであるが、ノブ２に対してシャフト１と止めねじ６の
二部品をねじ込まねばならないため比較的組付時間がか
かる不具合がある。Although this assembly structure allows the shaft to be securely fixed to the knob, it has the disadvantage that it takes a relatively long time to assemble because two parts, the shaft 1 and the set screw 6, must be screwed into the knob 2.
また、この組付構造は、止めねじ６をノブ２にねじ込む
ため、ドライバーの如き特別の工具を必要とする一方、
器具におけるシャフト、ノブの取り付け場所によっては
ドライバーを使用できないことがある。Furthermore, this assembly structure requires a special tool such as a screwdriver in order to screw the set screw 6 into the knob 2;
Depending on where the shaft or knob of the instrument is installed, it may not be possible to use a screwdriver.
さらに、この組付構造は、シャフト１や止めねじ６が金
属製のものであるのに対し、ノブ２が合或樹脂製のもの
であれば、強度上、ねじ穴３，５に金属製プッシュをノ
ブ２の或形時にこれと一体的に組み込む必要があるので
、ノブ２の製作費も比較的高くつく難点がある。Furthermore, in this assembly structure, while the shaft 1 and the set screw 6 are made of metal, if the knob 2 is made of plastic or resin, metal pushers are inserted into the screw holes 3 and 5 for strength reasons. Since it is necessary to integrally incorporate the knob 2 with the knob 2 when forming the knob 2, the production cost of the knob 2 is also relatively high.
本考案は、シャフトの一端部をノブの盲孔に直線的に単
に差し込むだけで簡単な操作で組み付けることができ、
しかもシャフトにノブからの抜き出し力がかかつても抜
けないようにしたシャフトとノブの組付構造の提供を目
的とするものである。This invention can be easily assembled by simply inserting one end of the shaft straight into the blind hole of the knob.
Moreover, it is an object of the present invention to provide a structure for assembling a shaft and a knob, which prevents the pull-out force from the knob from being applied to the shaft.
以下に、第２〜７図に示した実施例に基づいて本考案を
具体的に説明する。The present invention will be specifically explained below based on the embodiments shown in FIGS. 2 to 7.
図において１１はシャフト、１２はノブで、シャフト１
１の一端部をノブ１２に設けた盲孔１２ ａ内に直線的
に差し込んで両者を組み付けるようにしている。In the figure, 11 is a shaft, 12 is a knob, and shaft 1
1 is linearly inserted into a blind hole 12a provided in the knob 12 to assemble the two.
略円柱状のシャフトの局面一部には、軸心方向に平面部
１１ ａを設ける一方、シャフト１１の軸直角断面形状
に対応して略円孔に形或したノブの盲孔１２ ａに上記
平面部１１ ａに接触する平面部１２ｂを設け、両者が
相対的に回転しないようにしている。A flat part 11a is provided in the axial direction on a part of the curved surface of the substantially cylindrical shaft, while a blind hole 12a of the knob, which is shaped into a substantially circular hole corresponding to the cross-sectional shape perpendicular to the axis of the shaft 11, is provided with the above-mentioned blind hole 12a. A flat portion 12b is provided that contacts the flat portion 11a to prevent the two from rotating relative to each other.
シャフト１１の上記一端部近傍円周方向には、周溝１３
を設け、この周溝１３の外周に、爪本体１４ ａと爪本
体の固定部１４ｂよりなる爪１４を嵌め込んでいる。A circumferential groove 13 is provided in the circumferential direction near the one end of the shaft 11.
A claw 14 consisting of a claw body 14a and a fixing portion 14b of the claw body is fitted into the outer periphery of this circumferential groove 13.
上記周溝１３は、シャフト１１の本体部と同様、略円柱
状でかつ平面底部１３ ａを備え、一方爪の固定部１４
ｂは、上記乎面底部１３ ａに接触する平面部１５ ａ
と周溝の円周底面１３ｂに接触する彎曲翼部１５ｂ，１
５Ｃを備え、固定部１４ｂが周溝１３に密接するととも
に相対的に回転しないようにしている。Like the main body of the shaft 11, the circumferential groove 13 has a substantially cylindrical shape and a flat bottom portion 13a, and has a claw fixing portion 14.
b is a flat portion 15 a that contacts the above-mentioned surface bottom portion 13 a;
and a curved wing portion 15b, 1 that contacts the circumferential bottom surface 13b of the circumferential groove.
5C, so that the fixed portion 14b comes into close contact with the circumferential groove 13 and does not rotate relative to it.
上記周溝の平面底部１３ａは、該周溝からシャフト１１
の反先端方向に延長され、周溝１３に隣接する構１６を
形或している。The flat bottom portion 13a of the circumferential groove extends from the circumferential groove to the shaft 11.
The structure 16 extends in the direction opposite to the tip of the groove 13 and is adjacent to the circumferential groove 13 .
上記爪本体１４ ａは、固定部１４ｂの平面部１５ａと
の境界部で「＜」の字状に折り曲げ、その先端部１４
Ｃをシャフトの溝１６の斜め上方にかつ平面部１１ ａ
より外方に一定のバネカで突出するようにしている。The claw body 14a is bent into a "<" shape at the boundary with the flat part 15a of the fixing part 14b, and the tip part 14
C diagonally above the groove 16 of the shaft and the flat part 11 a
It is made to protrude more outward with a certain spring force.
一方、ノブ１２には、盲孔１２ ａに直交しかつ盲孔と
ノブの外部を連通ずる窓１２ Ｃを設けており、この窓
１２ Ｃ内に上記爪本体の先端部１４ Ｃが突出するよ
うにしている。On the other hand, the knob 12 is provided with a window 12C that is perpendicular to the blind hole 12a and communicates the blind hole with the outside of the knob, so that the tip 14C of the claw body projects into the window 12C. I have to.
上記爪本体１４ａの彎曲翼部１５ ｂ， １５ Ｃの側
縁には、切り起し部１７ａ，１７ｂを設けその先端部１
８ａ，ｌａｂをシャフトの円周面１１ ｂより外方に突
出させている。On the side edges of the curved wing portions 15 b, 15 C of the claw body 14 a, cut-out portions 17 a, 17 b are provided.
8a and lab are made to protrude outward from the circumferential surface 11b of the shaft.
これらの切り起こし部１７ ａ， １７ ｂは夫々、ノ
ブの盲孔１２ ａの内周面を一定のバネ力で押圧し、盲
孔１２ ａ内に差し込まれたシャフト１１のガタ付を防
止している。These cut and raised parts 17a and 17b each press the inner peripheral surface of the blind hole 12a of the knob with a certain spring force to prevent the shaft 11 inserted into the blind hole 12a from wobbling. There is.
上記構或のシャフト１１とノブ１２の組付けは、シャフ
ト１１の爪付設端部をノブの盲孔１２ ａ内に単に差し
込むだけでよい。To assemble the shaft 11 and knob 12 of the above structure, it is sufficient to simply insert the claw-equipped end of the shaft 11 into the blind hole 12a of the knob.
すなわち、シャフト１１をノブの盲孔１２ａ内に押し込
めば、爪本体１４ａおよび切り起し部１７ａ，１７ｂは
夫々盲孔１２ ａの内周面により押し付けられ、爪本体
１４ ａはシャフトの溝１６内に、また一対の切り起し
部１７ａ，１７ｂは夫々周溝１３内に埋没するので、シ
ャフト１１の押し込みは何の支障もなく容易に行なうこ
とができ、シャフト１１をノブの盲孔１２ ａ内の所定
位置まで押し込めば、前記したように、爪本体１４ａが
そのバネ力でツブの窓１２ Ｃ内に飛び゛出す。That is, when the shaft 11 is pushed into the blind hole 12a of the knob, the pawl body 14a and the cut-and-raised portions 17a, 17b are pressed by the inner peripheral surface of the blind hole 12a, and the pawl body 14a is pushed into the groove 16 of the shaft. Furthermore, since the pair of cut-out portions 17a and 17b are respectively buried in the circumferential groove 13, the shaft 11 can be easily pushed in without any hindrance, and the shaft 11 can be inserted into the blind hole 12a of the knob. When pushed in to a predetermined position, the claw main body 14a will pop out into the window 12C of the knob due to its spring force, as described above.
したがって、シャフト１１にノブ１２よらの抜き出し力
がかかると、爪本体１４ ａの先端部が窓１２ Ｃの内
周面に係止し、シャフト１１の抜け止めがなされる。Therefore, when a pull-out force from the knob 12 is applied to the shaft 11, the tip of the claw body 14a engages with the inner peripheral surface of the window 12C, and the shaft 11 is prevented from coming off.
尚、本考案はその他種々の態様で実施することができ、
例えば、爪１４の翼部１５ｂ，１５Ｃは必ずしも一対で
なくてもよく片側のみに設けてもよい。Note that the present invention can be implemented in various other ways,
For example, the wing parts 15b and 15C of the claw 14 do not necessarily have to be a pair, and may be provided only on one side.
また、翼部１５ ｂ， １５ Ｃに形成した切り起し部
１７ａ，１７ｂは図示の片持ち型式のものに限られず、
例えば翼部１５ ｂ， １５ Ｃに２つの平行スリット
を形成し該平行スリット間の片を外方に強制的に山型に
起こした型式のものであってもよい。Further, the cut-out portions 17a and 17b formed on the wing portions 15b and 15C are not limited to the cantilever type shown in the drawings;
For example, it may be of a type in which two parallel slits are formed in the wing parts 15b and 15C, and the piece between the parallel slits is forced outward into a chevron shape.
以上詳記したように、本考案に係るシャフトとノブの組
付構造によれば、シャフトをノブの盲孔内に直線的に差
し込むだけの簡単な作業で組み付けることができる。As described in detail above, according to the shaft and knob assembly structure according to the present invention, the shaft can be assembled by simply inserting the shaft linearly into the blind hole of the knob.
またシャフトを金属製とする一方ノブを合成樹脂製とす
る場合であっても、ノブの盲孔内に従来の如き金属製プ
ッシュを設ける必要がないのでツブの製造は安価となる
。Further, even if the shaft is made of metal and the knob is made of synthetic resin, the knob can be manufactured at low cost since there is no need to provide a conventional metal pusher in the blind hole of the knob.
また、上記組付構造によれば、爪の平面部と周溝平面底
部とが密接するとともに、爪の起し部がノブ内周面に圧
接するので、ノブのシャフトに対する回転方向のガタつ
きが確実に防止されるという利点がある。Further, according to the above assembly structure, the flat part of the pawl and the flat bottom of the circumferential groove are in close contact with each other, and the raised part of the pawl is pressed against the inner circumferential surface of the knob, so that wobbling in the direction of rotation of the knob with respect to the shaft is prevented. This has the advantage of being reliably prevented.
第１図は従来のシャフトとノブの組付構造を示す断面図
、第２〜７図は本考案の一実施例を示すもので、第２，
３図はシャフトの要部平面図および要部正面図、第４図
は第３図ＩＶ−ｒＶ線断面図、第５，６図はノブの側面
図および正面図、第７図はシャフトとノブを組み付けた
状態における要部断面図で゛ある。
１・・・・・・シャフト、２・・・・・・ノブ、３・・
・・・・雌ねじ穴、４・・・・・・切り欠き、５・・・
・・・雌ねじ穴、６・・・・・・止めねじ、１１・・・
・・・シャフト、１１ ａ・・・・・・平面部、１２・
・・・・・ノブ、１２ ａ・・・・・・盲孔、１２ｂ・
・・・・・平面部、１２Ｃ・・・・・・窓、１３・・・
・・・周溝、１３ ａ・・・・・・平面底部、１３ｂ・
・・・・・円周底部、１４・・・・・・爪、１４ ａ・
・・・・・爪本体、１４ｂ・・・・・・固定部、１４
Ｃ・・・・・・先端部、１５ａ・・・・・・平面部、１
５ｂ，１５Ｃ・・・・・・翼部、１６・・・・・・溝、
１７ａ，１７ｂ・・・・・・切り起し部、１８ａ，１８
ｂ・・・・・・先端部。Fig. 1 is a sectional view showing a conventional shaft and knob assembly structure, and Figs. 2 to 7 show an embodiment of the present invention.
Figure 3 is a plan view and front view of the main part of the shaft, Figure 4 is a sectional view taken along line IV-rV in Figure 3, Figures 5 and 6 are a side view and front view of the knob, and Figure 7 is the shaft and knob. This is a sectional view of the main parts in the assembled state. 1...shaft, 2...knob, 3...
... Female threaded hole, 4 ... Notch, 5 ...
... Female threaded hole, 6... Set screw, 11...
...shaft, 11a...plane part, 12.
...Knob, 12a...Blind hole, 12b.
...Plane part, 12C...Window, 13...
... Circumferential groove, 13 a ... Plane bottom, 13 b.
...Circumferential bottom, 14...Claw, 14 a.
...Claw body, 14b...Fixing part, 14
C...Tip part, 15a...Flat part, 1
5b, 15C... wing section, 16... groove,
17a, 17b... cut-and-raised portion, 18a, 18
b...Tip.
Claims (1)
を装着した状態で、ノブの取付用盲孔に差し込んでなる
組付構造であって、 上記ノブは、盲孔に直交しかつ盲孔とノブの外部を連通
ずる窓を有し、一方上記棒状シャフトの一端部周面には
周溝と、該周溝に隣接しかつシャフトの反先端方向に延
在する溝を有するとともに、上記周溝は少なくとも１つ
の爪回り止め用平面底部を有し、さらに、上記爪は、シ
ャフトの上記周溝に軸方向移動不自在に嵌め込まれる固
定部とシャフトの上記溝に対面するとともに上記ノブの
窓内に突出して窓内周面に係止するノブ抜け止め用爪本
体を備え、上記固定部は上記周溝の爪回り止め用平面底
部に密接する爪回り止め用平面部と、該平面部の少なく
とも片側に位置してシャフトの円周底面に密接する翼部
を備え、かつ該翼部はノブの盲孔内周面に圧接する爪回
り止め用切り起し部を有することを特徴とするシャフト
とノブの組付構造。[Scope of Claim for Utility Model Registration] An assembly structure in which one end of a rod-shaped shaft is inserted into a blind hole for installing the knob with a claw for preventing the knob from coming off on its circumferential surface, and the above-mentioned knob is has a window that is perpendicular to the blind hole and communicates the blind hole with the outside of the knob, and a circumferential groove on the circumferential surface of one end of the rod-shaped shaft, and a window that is adjacent to the circumferential groove and extends in a direction opposite to the tip of the shaft. The circumferential groove has at least one flat bottom portion for preventing rotation of the pawl, and the pawl has a fixing portion that is fitted into the circumferential groove of the shaft so as to be immovable in the axial direction, A knob main body for preventing the knob from slipping out faces the groove and protrudes into the window of the knob to engage with the inner circumferential surface of the window, and the fixing part is a pawl that comes into close contact with the flat bottom of the circumferential groove for preventing the pawl from rotating. and a wing part located on at least one side of the plane part and in close contact with the circumferential bottom surface of the shaft, and the wing part is a cut-out part for preventing the pawl from rotating in pressure contact with the inner circumferential surface of the blind hole of the knob. An assembly structure for a shaft and a knob, characterized in that it has a shaft and a knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4915678U JPS5912654Y2 (en) | 1978-04-13 | 1978-04-13 | Assembly structure of shaft and knob |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4915678U JPS5912654Y2 (en) | 1978-04-13 | 1978-04-13 | Assembly structure of shaft and knob |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54150796U JPS54150796U (en) | 1979-10-19 |
| JPS5912654Y2 true JPS5912654Y2 (en) | 1984-04-16 |
Family
ID=28934222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4915678U Expired JPS5912654Y2 (en) | 1978-04-13 | 1978-04-13 | Assembly structure of shaft and knob |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5912654Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4736929B2 (en) * | 2006-04-24 | 2011-07-27 | 日本精工株式会社 | Universal joint and shaft connection structure |
| WO2014049675A1 (en) * | 2012-09-25 | 2014-04-03 | テルモ株式会社 | Medical device |
-
1978
- 1978-04-13 JP JP4915678U patent/JPS5912654Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54150796U (en) | 1979-10-19 |
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