JPH10248196A - Motor bracket - Google Patents
Motor bracketInfo
- Publication number
- JPH10248196A JPH10248196A JP9065291A JP6529197A JPH10248196A JP H10248196 A JPH10248196 A JP H10248196A JP 9065291 A JP9065291 A JP 9065291A JP 6529197 A JP6529197 A JP 6529197A JP H10248196 A JPH10248196 A JP H10248196A
- Authority
- JP
- Japan
- Prior art keywords
- bush
- bracket
- bushings
- motor bracket
- mold
- 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
Links
Landscapes
- Motor Or Generator Frames (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はモ−タ回転子のベア
リングを支持するベアリングシ−ト部にブッシュを設け
たモ−タブラケットに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motor bracket provided with a bush at a bearing sheet portion for supporting a bearing of a motor rotor.
【０００２】[0002]
【従来の技術】以下従来のアルミダイカスト等にて加工
された鋳物製ブラケットについて、図面を参照しながら
説明する。図４において、従来の鋳物製モ−タブラケッ
ト１はベアリングを支持するベアリングシ−ト部２にブ
ッシュ３をインサ−トしたものである。しかし、成形時
のブッシュ抜け防止のため金型上に金型ピン７を設け固
定して成形する。2. Description of the Related Art A conventional bracket made of cast aluminum and processed by die casting will be described with reference to the drawings. Referring to FIG. 4, a conventional cast motor bracket 1 has a bush 3 inserted into a bearing sheet portion 2 for supporting a bearing. However, in order to prevent the bush from coming off at the time of molding, the mold pins 7 are provided on the mold and fixed to perform molding.
【０００３】この場合図５に示すように成形完成品にて
ブラケット１外観よりピン穴８を通しブッシュ３が露出
し、モ−タが室外等に使用された時そのピン穴８より矢
印の方向に水等が侵入し、モ−タ耐圧不良やベアリング
の発錆等不具合を生じる。In this case, as shown in FIG. 5, the bush 3 is exposed through the pin hole 8 from the appearance of the bracket 1 of the completed molded product, and when the motor is used outdoors, the direction of the arrow from the pin hole 8 is used. Water, etc., will enter the motor and cause problems such as poor motor pressure resistance and rusting of the bearing.
【０００４】[0004]
【発明が解決しようとする課題】上記の従来の鋳物製モ
−タブラケットにおいては、ピン穴より水等の液体が侵
入するという問題点を有していた。本発明はかかる従来
の問題点を解消するためになされたもので、水等が侵入
しない構造のインサ−トブッシュを設けた鋳物製モ−タ
ブラケットを提供することを目的とする。The above-mentioned conventional motor bracket made of casting has a problem that a liquid such as water enters through a pin hole. The present invention has been made in order to solve such a conventional problem, and an object of the present invention is to provide a motor bracket made of a casting provided with an insert bush having a structure in which water or the like does not enter.
【０００５】[0005]
【課題を解決するための手段】この目的を達成するため
に本発明の鋳物製モ−タブラケットはベアリングを支持
するベアリングシ−ト部に円筒状のブッシュをインサ−
ト成形にて固定するものにおいてブッシュ端面近辺に成
形ゲ−ト口を設け、成形時ブッシュを片側に押さえ抜け
防止構造とする。また、ブッシュの一部を金型で抱き込
み成形時の抜け防止構造とする。また、ブッシュ抱き込
み構造にさらにブッシュにアンダ−カット部を設けて、
製品成形後金型内で移動させて製品を取り出す構造によ
り製作することにより、ベアリングシ−ト部に確実にブ
ッシュの固定ができ、しかも従来のように水等の侵入す
るという問題も解消できる。In order to achieve this object, a cast motor bracket according to the present invention is provided with a cylindrical bush in a bearing seat portion for supporting a bearing.
A molding gate opening is provided in the vicinity of the end face of the bush for fixing the bush to one side at the time of molding to prevent the bush from being pulled out. In addition, a part of the bush is held by a mold so as to have a structure for preventing the bush from coming off at the time of molding. In addition, an undercut portion is further provided on the bush in the bush holding structure,
By manufacturing with a structure in which the product is moved in the mold after the product is formed and the product is taken out, the bush can be securely fixed to the bearing sheet portion, and the problem of intrusion of water or the like as in the prior art can be solved.
【０００６】[0006]
【発明の実施の形態】この構造によって、従来のように
水等の侵入による品質的なトラブルも発生しない、イン
サ−トブッシュをベアリングシ−ト部に固定する鋳物製
モ−タブラケットを製作することができる。DESCRIPTION OF THE PREFERRED EMBODIMENTS With this structure, a caster motor bracket for fixing an insert bush to a bearing sheet, which does not cause a quality problem due to invasion of water or the like as in the prior art, is manufactured. Can be.
【０００７】[0007]
【実施例】本発明の一実施例について図１、図２及び図
３に基づいて説明する。なお、従来例と同じ部分の符号
は同一とする。図１は本発明の第一の実施例を示すモ−
タブラケットの要部断面図であり、図２は本発明の第二
の実施例を示すモ−タブラケットの要部断面図であり、
図３は本発明の第三の実施例を示すモ−タブラケットの
要部断面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. The same reference numerals are used for the same parts as in the conventional example. FIG. 1 is a block diagram showing a first embodiment of the present invention.
FIG. 2 is a cross-sectional view of a main part of a motor bracket according to a second embodiment of the present invention.
FIG. 3 is a sectional view of a main part of a motor bracket according to a third embodiment of the present invention.
【０００８】図１に示す本発明の一実施例としてのモ−
タブラケット１は、アルミダイカスト等にて加工された
鋳物製ブラケットで、モ−タ回転子のベアリングを支持
するベアリングシ−ト部２に円筒状のブッシュ３をイン
サ−ト成形にて固定するものにおいて、ブツシュ端面近
辺に成形ゲ−ト口４を設け、成形時ブッシュを片側に押
さえ抜け防止とする。FIG. 1 shows an embodiment of the present invention.
The bracket 1 is a cast bracket machined by aluminum die casting or the like, and is used to fix a cylindrical bush 3 to a bearing sheet portion 2 supporting a bearing of a motor rotor by insert molding. In the above, a molding gate port 4 is provided near the end face of the bush to prevent the bush from being pushed to one side during molding to prevent the bush from coming off.
【０００９】図２に示す本発明の第２の実施例は、前記
ブラケット１にインサ−トブッシュ３を固定する際にブ
ッシュを一部金型５に挿入して抱き込み、成形時の抜け
を防止する。In a second embodiment of the present invention shown in FIG. 2, when the insert bush 3 is fixed to the bracket 1, a part of the bush is inserted into the mold 5 and embraced to prevent the bush from slipping off during molding. I do.
【００１０】図３に示す本発明の第三の実施例は、前記
ブラケット１にインサ−トブッシュ３を固定する際にブ
ッシュを一部金型５に挿入して抱き込み、さらにブッシ
ュにアンダ−カット部６を設けて製品成形後金型内で移
動させ製品を取り出す。In the third embodiment of the present invention shown in FIG. 3, when the insert bush 3 is fixed to the bracket 1, a part of the bush is inserted into the mold 5 and embraced, and the bush is further undercut. After the product is formed, the product is moved in the mold and the product is taken out.
【００１１】[0011]
【発明の効果】以上実施例による説明からも明らかなよ
うに本発明のブラケットはベアリングシ−ト部にインサ
−ト成形にてブッシュを固定する際、金型上にピンを設
けて抜け止めする構造でないため、ピン穴より水等の侵
入によるモ−タの耐圧不良やベアリングの発錆等の品質
トラブルが発生しないブラケットを有するモ−タを提供
することができる。As is clear from the above description of the embodiment, the bracket of the present invention is provided with a pin on a mold to prevent it from coming off when the bush is fixed to the bearing sheet portion by insert molding. Since it is not a structure, it is possible to provide a motor having a bracket that does not cause quality troubles such as poor pressure resistance of the motor due to intrusion of water or the like from a pin hole and rusting of a bearing.
【図１】本発明の第一の実施例を示すモ−タブラケット
の要部断面図である。FIG. 1 is a sectional view of a main part of a motor bracket showing a first embodiment of the present invention.
【図２】本発明の第二の実施例を示すモ−タブラケツト
の要部断面図である。FIG. 2 is a sectional view of a main part of a portable bracket according to a second embodiment of the present invention.
【図３】本発明の第三の実施例を示すモ−タブラケット
の要部断面図である。FIG. 3 is a sectional view of a main part of a motor bracket showing a third embodiment of the present invention.
【図４】従来例を示すモ−タブラケットにブッシュ成形
時の要部断面図である。FIG. 4 is a cross-sectional view of a main part when a bush is formed on a motor bracket showing a conventional example.
【図５】同じく従来例を示すモ−タブラケツトにブッシ
ュ成形後の要部断面図である。FIG. 5 is a cross-sectional view of a main part after a bush is formed on a portable bracket showing a conventional example.
１ ブラケット ２ ベアリングシ−ト部 ３ ブッシュ ４ ゲ−ト口 ５ 金型 ６ アンダ−カット部 ７ ピン ８ ピン穴 DESCRIPTION OF SYMBOLS 1 Bracket 2 Bearing sheet part 3 Bush 4 Gate opening 5 Die 6 Undercut part 7 Pin 8 Pin hole
Claims (3)
アリングシ−ト部に円筒状のブッシュをインサ−ト成形
にて固定するものにおいて、ブッシュ端面近辺にゲ−ト
口を設けたモ−タブラケット。A cylindrical bush is fixed to a bearing seat portion for supporting a bearing of a motor rotor by insert molding, wherein a gate port is provided near an end surface of the bush. Bracket.
した請求項１記載のモ−タブラケット。2. The motor bracket according to claim 1, wherein a part of the bush is held by a mold.
アンダ−カット部を設けた構造とした請求項１又は２記
載の電動機。3. The electric motor according to claim 1, wherein a part of the bush is held by a mold and an undercut portion is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9065291A JPH10248196A (en) | 1997-03-03 | 1997-03-03 | Motor bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9065291A JPH10248196A (en) | 1997-03-03 | 1997-03-03 | Motor bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10248196A true JPH10248196A (en) | 1998-09-14 |
Family
ID=13282688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9065291A Pending JPH10248196A (en) | 1997-03-03 | 1997-03-03 | Motor bracket |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10248196A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451960A (en) * | 2016-12-04 | 2017-02-22 | 重庆市环岛机械制造有限公司 | Production method of motor shell |
-
1997
- 1997-03-03 JP JP9065291A patent/JPH10248196A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451960A (en) * | 2016-12-04 | 2017-02-22 | 重庆市环岛机械制造有限公司 | Production method of motor shell |
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