JP2604376B2 - Plastic terminal box - Google Patents
Plastic terminal boxInfo
- Publication number
- JP2604376B2 JP2604376B2 JP62144003A JP14400387A JP2604376B2 JP 2604376 B2 JP2604376 B2 JP 2604376B2 JP 62144003 A JP62144003 A JP 62144003A JP 14400387 A JP14400387 A JP 14400387A JP 2604376 B2 JP2604376 B2 JP 2604376B2
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- terminal box
- peripheral wall
- lattice
- rib
- 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 - Fee Related
Links
Landscapes
- Motor Or Generator Frames (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明はモートの内部配線ケーブルと外部配線ケーブ
ルとを電気的に接続する端子台を有したエンジニアリン
グプラスチック製の一体成形端子箱に関する。The present invention relates to an integrally molded terminal box made of engineering plastic having a terminal block for electrically connecting an internal wiring cable and an external wiring cable of a mote.
モータの内部配線ケーブルと外部配線ケーブルとを電
気的に接続する端子台を有する端子箱はその強度上の要
請等から板金又はアルミダイキャスト等でつくられてい
る。然しながらモータが、特にスピンドルモータとして
使用される様な場合には、その回転振動によって端子箱
等が共振を起こすことがある。金属製の端子箱では共振
による共鳴音が高く、騒音源の１つとなっていた。A terminal box having a terminal block for electrically connecting an internal wiring cable and an external wiring cable of a motor is made of a sheet metal or an aluminum die-casting or the like due to its strength requirement. However, when the motor is used particularly as a spindle motor, the terminal box or the like may cause resonance due to its rotational vibration. In a metal terminal box, resonance noise due to resonance was high, and it was one of the noise sources.
そこでこの騒音低減を目的として端子箱を、例えばポ
リブチレンテレフタレート等の耐熱、耐油性のよいエン
ジニアリングプラスチック材料によって成形することに
なった。この場合、プラスチック材料の本質的問題とし
て材料強度が低いという問題点がある。Therefore, for the purpose of reducing the noise, the terminal box is formed of an engineering plastic material having good heat resistance and oil resistance such as polybutylene terephthalate. In this case, there is a problem that the material strength is low as an essential problem of the plastic material.
依って本発明は斯る問題点の解決を図るべく、共振に
よる騒音の低減効果を有すると共に、エンジニアリング
プラスチック材料から成る構造強度の高い端子箱を提供
することを目的とする。Accordingly, an object of the present invention is to provide a terminal box having an effect of reducing noise due to resonance and having a high structural strength made of an engineering plastic material in order to solve the above problems.
上述の問題点を解決すべく、本発明は、モータの側面
に取着され、外部配線ケーブルをモータの内部配線ケー
ブルに端子台上で電気接続する耐油、耐熱エンジニアリ
ングプラスチック材料製の端子箱において、 該端子箱の外枠を形成し、上方部に唇状フランジを有
した周壁部と、 該周壁部の底部側に該周壁部と一体に形成された格子
状リブと、 前記格子状リブと連設して一体に形成され、該格子状
リブより前記周壁部の上方部側に向けて高く隆起させて
形成された少なくとも１つの端子台本体部と、 前記端子台本体部のケーブル端子接続用の台座面を、
内、外配線ケーブルの電気的位相数に対応した複数の端
子接続座に仕切ると共に前記格子状リブに連設した一体
の補強リブを形成する絶縁板と、 前記端子台本体部に隣接して吹き抜け状に形成された
複数のケーブル孔と、 前記外枠を形成する周壁部の一部を貫通して形成され
た外部配線ケーブルの導入側孔とを、 具備したプラスチック製端子箱を提供する。In order to solve the above-mentioned problems, the present invention is directed to a terminal box made of oil-resistant and heat-resistant engineering plastic material attached to a side surface of a motor and electrically connecting an external wiring cable to a motor internal wiring cable on a terminal block. A peripheral wall having an outer frame of the terminal box and having a lip-shaped flange at an upper portion; a lattice rib integrally formed with the peripheral wall at a bottom side of the peripheral wall; And at least one terminal block main body formed integrally and formed so as to protrude higher than the lattice-shaped rib toward the upper portion side of the peripheral wall portion, and for connecting a cable terminal of the terminal block main body portion. The pedestal surface,
An insulating plate that divides into a plurality of terminal connection seats corresponding to the number of electrical phases of the inner and outer wiring cables and forms an integral reinforcing rib connected to the lattice-shaped rib; A plastic terminal box comprising: a plurality of cable holes formed in a shape; and an introduction hole for an external wiring cable formed through a part of a peripheral wall forming the outer frame.
上述の構成によれば、耐油、耐熱エンジニアリングプ
ラスチック材料製の端子箱は、その周壁部と連設した格
子状リブ、端子台本体部、補強リブを兼ねた絶縁板等が
プラスチック成形により一体に形成されていることか
ら、箱内部に機械的補強が施され、故に共振による騒音
低減を図った軽量プラスチック端子箱の構造強度を増強
し、モータ側部に取着された場合の箱構造体の機械的耐
用度を著しく向上させることができるのである。According to the above-described configuration, the terminal box made of an oil-resistant and heat-resistant engineering plastic material is formed integrally with a peripheral rib portion of a grid-like rib, a terminal block main body portion, and an insulating plate also serving as a reinforcing rib by plastic molding. As a result, mechanical strength is applied to the inside of the box, so the structural strength of the lightweight plastic terminal box, which reduces noise due to resonance, is increased, and the box structure machine when attached to the side of the motor It is possible to remarkably improve the mechanical durability.
以下本発明を添付図面に示す実施例に基づいて更に詳
細に説明する。第１図は本発明に係るプラスチック製端
子箱の上面図、第２図は第１図の矢視線II−IIによる断
面図である。両図を参照すると、端子箱の箱本体10の底
部には、主たるモータ36の内部配線ケーブルと外部配線
ケーブルとを電気的に接続する端子台16と、主たるモー
タ36の後端に取り付けられて該主たるモータを冷却する
ファンとそのファン駆動用モータを収容保持したファン
ハウジング38から引き出した内部配線ケーブルと外部配
線ケーブルとを電気的に接続する他の端子台24とが一体
に射出成形されている。この端子箱の材料は例えばポリ
ブチレンテレフタレート等の耐熱、耐油性のエンジニア
リングプラスチック材料であり、材料強度は金属と比較
して劣る。そのため箱本体10の底部には格子状のリブ14
を設け、側部周辺にはフランジ12を形成している。Hereinafter, the present invention will be described in more detail based on embodiments shown in the accompanying drawings. FIG. 1 is a top view of a plastic terminal box according to the present invention, and FIG. 2 is a sectional view taken along line II-II of FIG. Referring to both figures, a terminal block 16 for electrically connecting an internal wiring cable and an external wiring cable of a main motor 36 is provided at the bottom of the box main body 10 of the terminal box, and the terminal block 16 is attached to a rear end of the main motor 36. A fan for cooling the main motor and another terminal block 24 for electrically connecting the internal wiring cable and the external wiring cable drawn from the fan housing 38 accommodating and holding the motor for driving the fan are integrally formed by injection molding. I have. The material of this terminal box is a heat-resistant and oil-resistant engineering plastic material such as polybutylene terephthalate, for example, and its material strength is inferior to metal. Therefore, a grid-like rib 14 is provided at the bottom of the box body 10.
And a flange 12 is formed around the side.
上記の如く補強目的のリブ14やフランジ12を設けるの
みならず、本発明では端子台16と24も箱本体10と一体に
成形することで更に端子箱の構造強度を増大させてい
る。即ち、端子台16,24の本体18,44も箱本体10の補強材
となっており、更には、各端子台16,24の各相配線間の
絶縁板20,26も箱本体10の補強リブとして作用してい
る。In addition to providing the ribs 14 and the flanges 12 for the purpose of reinforcement as described above, the present invention further increases the structural strength of the terminal box by forming the terminal blocks 16 and 24 integrally with the box body 10. That is, the main bodies 18 and 44 of the terminal blocks 16 and 24 are also reinforcing members of the box main body 10, and the insulating plates 20 and 26 between the respective phase wirings of the terminal blocks 16 and 24 are also reinforced by the box main body 10. Acts as a rib.
箱本体10の底部には孔40と42が設けられており、夫々
主たるモータ36、及びファンハウジング38内のファン駆
動用モータの内部配線ケーブルを端子箱内へ導入するた
めのものである。一方外部配線ケーブルは孔32から端子
箱内へ導入し、これら外部配線ケーブルの端部と各内部
配線ケーブルの端部とを、例えば黄銅製のねじ部材を介
して各端子台16,24の孔22,28へねじ込み締結することに
よって両者を電気的に接続させる。本端子台16,24は三
相の接続が可能なように、絶縁板20,26によって各相が
絶縁されている。Holes 40 and 42 are provided at the bottom of the box body 10 for introducing the main motor 36 and the internal wiring cable of the fan driving motor in the fan housing 38 into the terminal box. On the other hand, the external wiring cables are introduced into the terminal box from the holes 32, and the ends of these external wiring cables and the ends of the internal wiring cables are connected to the holes of the terminal blocks 16 and 24 via, for example, a brass screw member. Both are electrically connected by screwing and fastening to 22,28. The phases of the terminal blocks 16 and 24 are insulated by insulating plates 20 and 26 so that three phases can be connected.
更に本発明では主たるモータ36の位置や速度の検出器
の有する内部配線ケーブルも孔40から端子箱内へ導入可
能であり、その端部接続コネクタを箱本体10の底部及び
側部に立設したリブ部材30aと30bとに沿って第１図の紙
面に垂直な方向に挿入して、その端部接続コネクタを保
持可能な構成となっている。これらリブ部材30a,30bは
こうしてコネクタの保持作用と共に補強リブの役目も果
たすものである。Further, in the present invention, an internal wiring cable having a detector for detecting the position and speed of the main motor 36 can also be introduced into the terminal box from the hole 40, and its end connector is provided on the bottom and side of the box main body 10. It is configured to be inserted along the rib members 30a and 30b in a direction perpendicular to the paper surface of FIG. 1 and to hold the end connector. The rib members 30a and 30b thus function as reinforcing ribs as well as holding the connector.
参照番号34は主たるモータ36へ端子箱を固定するねじ
部材を示している。Reference numeral 34 indicates a screw member for fixing the terminal box to the main motor 36.
本発明によればプラスチック材料で成形しているため
共振による騒音が低減されると共に、軽量で構造強度の
高い端子箱が提供可能となる。更には部品点数も減少す
るため組み立て作業工数も低減され、射出成形前に色素
材料を混合しておけば端子箱成形後の塗装作業も不要と
なり、延いては低コストの端子箱を提供することが可能
となる。ADVANTAGE OF THE INVENTION According to this invention, since it is shape | molded with a plastic material, the noise by resonance is reduced and a lightweight and high-strength terminal box can be provided. Furthermore, since the number of parts is reduced, the number of assembling work steps is also reduced, and if the pigment material is mixed before injection molding, the painting work after forming the terminal box is not required, so that a low-cost terminal box is provided. Becomes possible.
第１図は本発明に係るプラスチック製端子箱の上面図、
第２図は第１図の矢視線II−IIによる断面図。 10……端子箱の箱本体、14……リブ、 16……端子台、20……絶縁板、 24……他の端子台、26……絶縁板。FIG. 1 is a top view of a plastic terminal box according to the present invention,
FIG. 2 is a cross-sectional view taken along line II-II of FIG. 10: Terminal box box body, 14: Rib, 16: Terminal block, 20: Insulating plate, 24: Other terminal block, 26: Insulating plate.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 前田 宣信 日野市旭が丘３丁目５番地１ ファナッ ク株式会社商品開発研究所内 (56)参考文献 特開 昭55−17216（ＪＰ，Ａ) 特開 昭57−20137（ＪＰ，Ａ) 特開 昭60−75074（ＪＰ，Ａ) 実開 昭61−84656（ＪＰ，Ｕ) 実開 昭56−41199（ＪＰ，Ｕ) 実開 昭58−37747（ＪＰ，Ｕ) 実開 昭60−105078（ＪＰ，Ｕ) 実公 昭44−3134（ＪＰ，Ｙ２) ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Nobunobu Maeda 3-5 Asahigaoka, Hino City, FANUC CORPORATION Product Development Laboratory (56) References JP-A-55-17216 (JP, A) JP-A Sho 57-20137 (JP, A) JP-A-60-75074 (JP, A) JP-A-61-84656 (JP, U) JP-A-56-41199 (JP, U) JP-A-58-37747 (JP, A) U) Japanese Utility Model 60-105078 (JP, U) Japanese Utility Model 44-3134 (JP, Y2)
Claims (1)
ルをモータの内部配線ケーブルに端子台上で電気接続す
る耐油、耐熱エンジニアリングプラスチック材料製の端
子箱において、 該端子箱の外枠を形成し、上方部に唇状フランジを有し
た周壁部と、 該周壁部の底部側に該周壁部と一体に形成された格子状
リブと、 前記格子状リブと連設して一体に形成され、該格子状リ
ブより前記周壁部の上方部側に向けて高く隆起させて形
成された少なくとも１つの端子台本体部と、 前記端子台本体部のケーブル端子接続用の台座面を、
内、外配線ケーブルの電気的位相数に対応した複数の端
子接続座に仕切ると共に前記格子状リブに連設した一体
の補強リブを形成する絶縁板と、 前記端子台本体部に隣接して吹き抜け状に形成された複
数のケーブル孔と、 前記外枠を形成する周壁部の一部を貫通して形成された
外部配線ケーブルの導入側孔とを、 具備したことを特徴とするプラスチック製端子箱。1. A terminal box made of oil-resistant and heat-resistant engineering plastic material attached to a side surface of a motor and electrically connecting an external wiring cable to a motor internal wiring cable on a terminal block, wherein an outer frame of the terminal box is formed. A peripheral wall portion having a lip-shaped flange at an upper portion; a lattice-shaped rib formed integrally with the peripheral wall portion on a bottom side of the peripheral wall portion; and a integrally formed integrally with the lattice-shaped rib; At least one terminal block main body formed so as to protrude higher than the lattice rib toward the upper side of the peripheral wall, and a pedestal surface for connecting a cable terminal of the terminal block main body;
An insulating plate that divides into a plurality of terminal connection seats corresponding to the number of electrical phases of the inner and outer wiring cables and forms an integral reinforcing rib connected to the lattice-shaped rib; A terminal box made of plastic, comprising: a plurality of cable holes formed in a shape; and an introduction side hole of an external wiring cable formed through a part of a peripheral wall portion forming the outer frame. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62144003A JP2604376B2 (en) | 1987-06-11 | 1987-06-11 | Plastic terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62144003A JP2604376B2 (en) | 1987-06-11 | 1987-06-11 | Plastic terminal box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63310344A JPS63310344A (en) | 1988-12-19 |
| JP2604376B2 true JP2604376B2 (en) | 1997-04-30 |
Family
ID=15352053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62144003A Expired - Fee Related JP2604376B2 (en) | 1987-06-11 | 1987-06-11 | Plastic terminal box |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2604376B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5747995B2 (en) | 2011-10-17 | 2015-07-15 | 日産自動車株式会社 | Terminal block |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS443134Y1 (en) * | 1965-05-31 | 1969-02-05 | ||
| JPS5517216A (en) * | 1978-07-18 | 1980-02-06 | Sharp Corp | Stator of electric motor |
| JPH0242052Y2 (en) * | 1984-11-05 | 1990-11-08 |
-
1987
- 1987-06-11 JP JP62144003A patent/JP2604376B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63310344A (en) | 1988-12-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |