JPH084693A - Rotary vane fitting structure - Google Patents

Rotary vane fitting structure

Info

Publication number
JPH084693A
JPH084693A JP13753294A JP13753294A JPH084693A JP H084693 A JPH084693 A JP H084693A JP 13753294 A JP13753294 A JP 13753294A JP 13753294 A JP13753294 A JP 13753294A JP H084693 A JPH084693 A JP H084693A
Authority
JP
Japan
Prior art keywords
reinforcing member
motor shaft
hole
screw
boss
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.)
Pending
Application number
JP13753294A
Other languages
Japanese (ja)
Inventor
Masateru Miyasaka
昌輝 宮阪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu General Ltd
Original Assignee
Fujitsu General Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu General Ltd filed Critical Fujitsu General Ltd
Priority to JP13753294A priority Critical patent/JPH084693A/en
Publication of JPH084693A publication Critical patent/JPH084693A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To provide a rotary vane fitting structure with a cost advantage. CONSTITUTION:An approximately U-shaped reinforcing member 5 made of steel plate is pressed and fixed into the boss 4 of a rotary vane 3 or inserted therein for molding, and the approximate D-shape of a motor shaft 1 is fitted to an approximately D-shaped hole provided in the side face of the reinforcing member 5. A screw 9 is threaded to a screw hole 8a provided in the boss 4 and the end of the screw 9 is pressed against the flat portion of the motor shaft 1 to fix the rotary vane 3 to the motor shaft 1.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、回転翼の取付構造に関
する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary blade mounting structure.

【0002】[0002]

【従来の技術】従来の回転翼の取付構造は、例えば図5
で示すように、モータ軸21の先端部に回り止め用の平坦
部22を備えて略D字状に形成する一方、合成樹脂からな
る回転翼23の中心部に設けたボス部24にアルミニウム製
でなるボス25を一体的に固着し、同ボス25の中心部に形
成した前記モータ軸21の略D字形状に対応し平坦部26を
備えた略D字孔に同モータ軸21の略D字部を嵌合し、同
ボス25の外周面から中心まで穿設したねじ孔にねじ29を
螺着し、このねじ29の先端を前記平坦部22に圧着するこ
とにより、同モータ軸21に同回転翼23を固着する構成で
あった。しかしながら、前記ボス25はアルミニウム製に
よる機械加工品であるため、コスト的に不利となる問題
があった。
2. Description of the Related Art A conventional rotary blade mounting structure is shown in FIG.
As shown in FIG. 3, the motor shaft 21 is provided with a flat portion 22 for preventing rotation and is formed into a substantially D-shape, while the boss portion 24 provided at the center of the rotary blade 23 made of synthetic resin is made of aluminum. The boss 25 is integrally fixed to the boss 25, and the boss 25 is formed in the center of the boss 25 in a substantially D-shaped hole having a flat portion 26 corresponding to the D-shape of the motor shaft 21. By fitting the character portions, screwing a screw 29 into a screw hole drilled from the outer peripheral surface of the boss 25 to the center, and crimping the tip of the screw 29 to the flat portion 22, the motor shaft 21 is attached. The rotary blade 23 was fixed. However, since the boss 25 is a machined product made of aluminum, there is a problem in that it is disadvantageous in terms of cost.

【0003】[0003]

【発明が解決しようとする課題】本発明はこのような問
題点に鑑みなされたもので、コスト的に有利な回転翼の
取付構造を提供するものである。
SUMMARY OF THE INVENTION The present invention has been made in view of the above problems and provides a cost effective blade mounting structure for a rotary blade.

【0004】[0004]

【課題を解決するための手段】本発明は上記課題を解決
するため、モータ軸に回り止め用の平坦部を形成する一
方、回転翼の角筒状の中空ボスの外周面にねじ孔を設
け、前記中空ボス内に略コ字状に形成されその側面に前
記平坦部に対応する平坦部を備えた孔と、平行部の一側
に前記ねじ孔に対応する透孔とを備えた補強部材を設
け、前記両平坦部を位置合わせして、前記ねじ孔にねじ
を螺着しその先端を前記モータ軸の平坦部に圧着して、
前記回転翼を前記モータ軸に固定したことを特徴とす
る。また、前記ボス部に、前記補強部材を隙間なく嵌合
する嵌合孔を形成し、この嵌合孔に同補強部材を圧入固
定したことを特徴とする。また、前記補強部材の平行部
に、傾斜面を形成して外側に突出する係止爪を設けたこ
とを特徴とする。また、前記補強部材を、前記ボス部に
インサート成形により設けたことを特徴とする。更に、
前記補強部材に、略L字状のフランジを連続的に形成し
たことを特徴とする。
According to the present invention, in order to solve the above-mentioned problems, a flat portion for preventing rotation is formed on a motor shaft, and a screw hole is provided on an outer peripheral surface of a hollow cylindrical hollow boss of a rotary blade. A reinforcing member provided with a hole formed in the hollow boss in a substantially U shape and having a flat portion corresponding to the flat portion on its side surface, and a through hole corresponding to the screw hole on one side of the parallel portion Is provided, the both flat portions are aligned, a screw is screwed into the screw hole, and the tip thereof is crimped to the flat portion of the motor shaft,
The rotating blade is fixed to the motor shaft. Further, a fitting hole for fitting the reinforcing member without a gap is formed in the boss portion, and the reinforcing member is press-fitted and fixed in the fitting hole. Further, the parallel portion of the reinforcing member is characterized in that an inclined surface is formed and a locking claw protruding outward is provided. Further, the reinforcing member is provided on the boss portion by insert molding. Furthermore,
A substantially L-shaped flange is continuously formed on the reinforcing member.

【0005】[0005]

【作用】以上のように構成したので、本発明における回
転翼の取付構造であるならば、機械加工品のボスを使用
するのに比して、プレス加工品の補強部材を使用するこ
とによりコスト的に有利な回転翼の取付構造となる。
With the above-described structure, in the rotary blade mounting structure according to the present invention, the cost can be reduced by using the reinforcing member of the pressed product as compared with the use of the boss of the machined product. The rotor blade has a structurally advantageous mounting structure.

【0006】[0006]

【実施例】以下、図面に基づいて本発明による一実施例
を詳細に説明する。図1,図2において、1はモータの
回転子に一体的に設けられたモータ軸,2は同モータ軸
1の先端部を略D字状に形成した平坦部,3は合成樹脂
からなる回転翼,4は同回転翼3の中心部に一体的に形
成した角筒状のボス部である。前記ボス部4には、中心
部に前記モータ軸1の略D字部がほぼ隙間なく挿通する
挿通孔を設けると共に、後述する補強部材を圧入固定す
る嵌合孔を設け、同ボス部4外周面から中心まで貫通す
るねじ孔8aを設けて後述するねじを螺着し、このねじの
先端を前記平坦部2に圧着することにより前記回転翼3
を前記モータ軸1に固定する。5は鋼板製により略コ字
状に形成した補強部材で、例えば図3で示すように、側
面には前記モータ軸1の略D字部がほぼ隙間なく嵌合す
るよう平坦部6を備えた略D字孔を形成し、平行部には
傾斜面を形成した係止爪7aを外側に突出させ、図1で示
すように、この係止爪7aにより前記嵌合孔に同補強部材
5を圧入固定した時の抜けを防止し、同平行部の一側に
は前記ねじ孔8aに対応する透孔8bを備えている。また、
前記補強部材5の他の実施例として、図4で示すよう
に、側面には前記モータ軸1の略D字部がほぼ隙間なく
嵌合するよう、平坦部6を備えた略D字孔を形成し、平
行部の一側には略L字状のフランジ7bを連続的に形成
し、前記ねじ孔8aに対応する透孔8bを備え、図2で示す
ように、前記ボス部4にインサート成形により設けてい
る。9は前記ボス部4に設けた前記ねじ孔8aに螺着する
ねじである。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment according to the present invention will be described in detail below with reference to the drawings. In FIGS. 1 and 2, 1 is a motor shaft integrally provided in a rotor of a motor, 2 is a flat portion in which the tip of the motor shaft 1 is formed in a substantially D shape, and 3 is a rotation made of synthetic resin. The blades 4, 4 are rectangular cylindrical boss portions integrally formed in the central portion of the rotary blade 3. The boss portion 4 is provided with an insertion hole through which the substantially D-shaped portion of the motor shaft 1 is inserted with substantially no gap in the center portion, and a fitting hole for press-fitting and fixing a reinforcing member to be described later. By providing a screw hole 8a penetrating from the surface to the center and screwing a screw described later, and the tip of this screw is crimped to the flat portion 2, the rotary blade 3
Is fixed to the motor shaft 1. Reference numeral 5 denotes a reinforcing member formed of a steel plate in a substantially U-shape. For example, as shown in FIG. 3, a flat portion 6 is provided on a side surface so that the substantially D-shaped portion of the motor shaft 1 can be fitted with substantially no space. A locking claw 7a having a substantially D-shaped hole and an inclined surface formed in a parallel portion is projected outward, and the reinforcing member 5 is fitted in the fitting hole by the locking claw 7a as shown in FIG. A through hole 8b that corresponds to the screw hole 8a is provided on one side of the parallel portion to prevent coming off when press-fitting and fixing. Also,
As another embodiment of the reinforcing member 5, as shown in FIG. 4, a substantially D-shaped hole having a flat portion 6 is formed on the side surface so that the substantially D-shaped portion of the motor shaft 1 is fitted with substantially no space. And a substantially L-shaped flange 7b is continuously formed on one side of the parallel portion, and a through hole 8b corresponding to the screw hole 8a is provided. As shown in FIG. It is provided by molding. Reference numeral 9 is a screw screwed into the screw hole 8a provided in the boss portion 4.

【0007】前記構成で、前記モータ軸1の略D字部を
前記補強部材5の略D字孔に嵌合すると共に、前記ねじ
9を前記ねじ孔8aに螺着し同ねじ9の先端を前記平坦部
2に圧着して、前記回転翼3を前記モータ軸1に固着す
る。これにより、アルミニウム製により機械加工をした
ボスを使用するのに比して、鋼板製でプレス加工をした
前記補強部材5を使用することにより、コスト的に有利
な回転翼の取付構造となる。
With the above structure, the substantially D-shaped portion of the motor shaft 1 is fitted in the substantially D-shaped hole of the reinforcing member 5, and the screw 9 is screwed into the screw hole 8a so that the tip of the screw 9 is fixed. The rotary vane 3 is fixed to the motor shaft 1 by pressure bonding to the flat portion 2. As a result, by using the reinforcing member 5 made of a steel plate and pressed, as compared with using a boss machined of aluminum, a cost-effective rotor blade mounting structure is obtained.

【0008】[0008]

【発明の効果】以上説明したように、本発明による回転
翼の取付構造であるならば、モータの回転を回転翼に確
実に伝える強度を有し、コスト的に有利な回転翼の取付
構造となる。
As described above, according to the rotor blade mounting structure of the present invention, the rotor blade mounting structure has strength to reliably transmit the rotation of the motor to the rotor blade and is advantageous in terms of cost. Become.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明による回転翼の取付構造の断面図であ
る。
FIG. 1 is a cross-sectional view of a rotary blade mounting structure according to the present invention.

【図2】他の実施例による回転翼の取付構造の断面図で
ある。
FIG. 2 is a cross-sectional view of a rotary blade mounting structure according to another embodiment.

【図3】本発明による補強部材の斜視図である。FIG. 3 is a perspective view of a reinforcing member according to the present invention.

【図4】他の実施例による補強部材の斜視図である。FIG. 4 is a perspective view of a reinforcing member according to another embodiment.

【図5】従来例による回転翼の取付構造の断面図であ
る。
FIG. 5 is a cross-sectional view of a rotary blade mounting structure according to a conventional example.

【符号の説明】[Explanation of symbols]

1 モータ軸 2 モータ軸の平坦部 3 回転翼 4 ボス部 5 補強部材 6 補強部材の平坦部 7a 係止爪 7b フランジ 8a ねじ孔 8b 透孔 9 ねじ 1 Motor shaft 2 Flat part of motor shaft 3 Rotor blade 4 Boss part 5 Reinforcing member 6 Flat part of reinforcing member 7a Locking claw 7b Flange 8a Screw hole 8b Through hole 9 Screw

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】 モータ軸に回り止め用の平坦部を形成す
る一方、回転翼の角筒状の中空ボスの外周面にねじ孔を
設け、前記中空ボス内に略コ字状に形成されその側面に
前記平坦部に対応する平坦部を備えた孔と、平行部の一
側に前記ねじ孔に対応する透孔とを備えた補強部材を設
け、前記両平坦部を位置合わせして、前記ねじ孔にねじ
を螺着しその先端を前記モータ軸の平坦部に圧着して、
前記回転翼を前記モータ軸に固定したことを特徴とする
回転翼の取付構造。
1. A flat portion for preventing rotation is formed on a motor shaft, while a screw hole is formed on an outer peripheral surface of a hollow cylindrical hollow boss of a rotary blade, and the hollow boss is formed in a substantially U shape. A reinforcing member having a hole having a flat portion corresponding to the flat portion on the side surface and a through hole corresponding to the screw hole on one side of the parallel portion is provided, and the flat portions are aligned, Screw a screw into the screw hole and crimp the tip to the flat part of the motor shaft,
A rotary blade mounting structure, wherein the rotary blade is fixed to the motor shaft.
【請求項2】 前記ボス部に、前記補強部材を隙間なく
嵌合する嵌合孔を形成し、この嵌合孔に同補強部材を圧
入固定したことを特徴とする請求項1記載の回転翼の取
付構造。
2. The rotary blade according to claim 1, wherein a fitting hole for fitting the reinforcing member without a gap is formed in the boss portion, and the reinforcing member is press-fitted and fixed in the fitting hole. Mounting structure.
【請求項3】 前記補強部材の平行部に、傾斜面を形成
して外側に突出する係止爪を設けたことを特徴とする請
求項2記載の回転翼の取付構造。
3. The rotary blade mounting structure according to claim 2, wherein the parallel portion of the reinforcing member is provided with a locking claw that is formed with an inclined surface and projects outward.
【請求項4】 前記補強部材を、前記ボス部にインサー
ト成形により設けたことを特徴とする請求項1記載の回
転翼の取付構造。
4. The rotor blade mounting structure according to claim 1, wherein the reinforcing member is provided on the boss portion by insert molding.
【請求項5】 前記補強部材に、略L字状のフランジを
連続的に形成したことを特徴とする請求項4記載の回転
翼の取付構造。
5. The rotor blade mounting structure according to claim 4, wherein a substantially L-shaped flange is continuously formed on the reinforcing member.
JP13753294A 1994-06-20 1994-06-20 Rotary vane fitting structure Pending JPH084693A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13753294A JPH084693A (en) 1994-06-20 1994-06-20 Rotary vane fitting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13753294A JPH084693A (en) 1994-06-20 1994-06-20 Rotary vane fitting structure

Publications (1)

Publication Number Publication Date
JPH084693A true JPH084693A (en) 1996-01-09

Family

ID=15200887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13753294A Pending JPH084693A (en) 1994-06-20 1994-06-20 Rotary vane fitting structure

Country Status (1)

Country Link
JP (1) JPH084693A (en)

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