JP2574791Y2 - Laser scanner motor - Google Patents
Laser scanner motorInfo
- Publication number
- JP2574791Y2 JP2574791Y2 JP1993012804U JP1280493U JP2574791Y2 JP 2574791 Y2 JP2574791 Y2 JP 2574791Y2 JP 1993012804 U JP1993012804 U JP 1993012804U JP 1280493 U JP1280493 U JP 1280493U JP 2574791 Y2 JP2574791 Y2 JP 2574791Y2
- Authority
- JP
- Japan
- Prior art keywords
- mirror
- laser scanner
- scanner motor
- annular groove
- mounting portion
- 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
- Mechanical Optical Scanning Systems (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案はＬＢＰ，レーザＰＰＣな
どレーザ走査を必要とする機器に使用されるレーザスキ
ャナーモータに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laser scanner motor used for equipment requiring laser scanning, such as LBP and laser PPC.
【０００２】[0002]
【従来の技術】レーザ走査に使用されるレーザスキャナ
ーモータは、一般的にはブラシレスモータにレーザを反
射するためのポリゴンミラーを装着して構成されるが、
ブラシレスモータの回転軸に焼嵌めまたは圧入された搭
載部にポリゴンミラーを固定する必要がある。2. Description of the Related Art A laser scanner motor used for laser scanning is generally configured by mounting a polygon mirror for reflecting a laser on a brushless motor.
It is necessary to fix the polygon mirror to a mounting portion that is shrink-fitted or press-fitted to the rotating shaft of the brushless motor.
【０００３】以下に従来のポリゴンミラーの固定方法を
説明する。図３（ａ）は従来のポリゴンミラーの固定方
法の一例である。図３（ａ）において１はミラー押えバ
ネ、２は回転軸、３は搭載部、４はポリゴンミラー、５
はブラシレスモータ、９はＣリングである。また、図３
（ｂ）は従来のポリゴンミラーの固定方法の別の例であ
る。図３（ｂ）において１０はネジである。これらのよ
うに、ミラー押えバネ１を保持するために、Ｃリング９
を取り付けるための溝を回転軸２に付けたり、ネジ１０
を取り付けるためのネジ山を回転軸２に設けたりしてい
る。[0003] A conventional polygon mirror fixing method will be described below. FIG. 3A shows an example of a conventional polygon mirror fixing method. In FIG. 3A, 1 is a mirror holding spring, 2 is a rotating shaft, 3 is a mounting portion, 4 is a polygon mirror, 5
Is a brushless motor, and 9 is a C-ring. FIG.
(B) is another example of a conventional polygon mirror fixing method. In FIG. 3B, reference numeral 10 denotes a screw. As described above, the C ring 9
A groove for attaching a screw is attached to the rotating shaft 2 or a screw 10
Are provided on the rotating shaft 2 for attaching the.
【０００４】[0004]
【考案が解決しようとする課題】しかしながら、従来の
ポリゴンミラーの固定方法では、回転軸に溝を付けたり
ネジ山を回転軸に設ける必要があるので加工工程が多
く、またＣリングやネジといったミラー押さえバネ以外
の部品が必要なため組立工程が増えたり、回転軸と搭載
部の組立誤差により、ミラー押えバネによる所定の押圧
力がえられないといった問題があった。However, in the conventional method of fixing the polygon mirror, it is necessary to form a groove on the rotating shaft or to provide a thread on the rotating shaft, so that many processing steps are required, and a mirror such as a C-ring or a screw is required. There is a problem that the number of assembling steps is increased due to the necessity of parts other than the pressing spring, and a predetermined pressing force by the mirror pressing spring cannot be obtained due to an assembly error between the rotating shaft and the mounting portion.
【０００５】本考案では上記の加工や部品を不要とし、
容易に所定の押圧力がえられるレーザスキャナーモータ
の提供を目的とする。In the present invention, the above processing and parts are not required,
An object of the present invention is to provide a laser scanner motor capable of easily obtaining a predetermined pressing force.
【０００６】[0006]
【課題を解決するための手段】この目的を達成するため
に本考案のレーザスキャナーモータは、搭載部に円環溝
を設け、アキシャル方向に設けられたミラー押えバネの
折り曲げ部を円環溝に挿入固定する構成となっている。In order to achieve this object, a laser scanner motor according to the present invention has an annular groove in a mounting portion, and a bent portion of a mirror pressing spring provided in an axial direction is formed in the annular groove. It is configured to be inserted and fixed.
【０００７】[0007]
【作用】この構成によって、回転軸への溝やネジ山の加
工やＣリングやネジ等の部品が不要になり、所定の押圧
力が容易に得られる。With this configuration, machining of grooves and threads on the rotating shaft and parts such as C-rings and screws are not required, and a predetermined pressing force can be easily obtained.
【０００８】[0008]
【実施例】以下本考案の一実施例について、図面を参照
しながら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.
【０００９】図１および図２において１はミラー押えバ
ネ、２は回転軸、３は搭載部、４はポリゴンミラー、５
はブラシレスモータ、６は搭載部３に回転軸２と同心状
に設けられた有底の円環溝、７はミラー押えバネ１のア
キシャル方向に設けられた折り曲げ部、８は搭載部３の
凸部、１１は搭載部の凸部８の内径側で円環溝６の底部
近傍に凹状に設けられた段部である。1 and 2, 1 is a mirror holding spring, 2 is a rotating shaft, 3 is a mounting part, 4 is a polygon mirror,
Denotes a brushless motor, 6 denotes a bottomed annular groove provided concentrically with the rotating shaft 2 on the mounting portion 3, 7 denotes a bent portion provided in the axial direction of the mirror holding spring 1, and 8 denotes a convex portion of the mounting portion 3. Reference numeral 11 denotes a stepped portion provided in a concave shape near the bottom of the annular groove 6 on the inner diameter side of the convex portion 8 of the mounting portion.
【００１０】以上のように構成されたレーザスキャナー
モータについて、図１（ａ），図２（ａ），図２（ｂ）
を用いて説明する。FIGS. 1 (a), 2 (a) and 2 (b) show a laser scanner motor constructed as described above.
This will be described with reference to FIG.
【００１１】図１（ａ）は本考案の一実施例である。円
環溝６にミラー押えバネの折り曲げ部７を挿入すること
により、円環溝６の深さで挿入量が決まりミラー押えバ
ネ１の押圧力を一定として搭載部３に搭載されたポリゴ
ンミラー４を押圧固定できる。FIG. 1A shows an embodiment of the present invention. By inserting the bent portion 7 of the mirror holding spring into the annular groove 6, the insertion amount is determined by the depth of the annular groove 6, and the pressing force of the mirror holding spring 1 is kept constant, and the polygon mirror 4 mounted on the mounting portion 3 is fixed. Can be pressed and fixed.
【００１２】図２（ａ）は本考案の別の実施例である。
円環溝６にミラー押えバネの折り曲げ部７を挿入するこ
とによりミラー押えバネ１の裏面が搭載部の凸部８の上
面に当接されることとなるため、この凸部８の高さによ
り挿入量が決まり、ミラー押えバネ１の押圧力を一定と
して搭載部３に搭載されたポリゴンミラー４を押圧固定
できる。FIG. 2A shows another embodiment of the present invention.
By inserting the bent portion 7 of the mirror pressing spring into the annular groove 6, the back surface of the mirror pressing spring 1 comes into contact with the upper surface of the convex portion 8 of the mounting portion. The insertion amount is determined, and the polygon mirror 4 mounted on the mounting section 3 can be pressed and fixed while the pressing force of the mirror pressing spring 1 is kept constant.
【００１３】図２（ｂ）は円環溝に段部を設けたさらに
別の実施例である。円環溝６の底部近傍に凹状となるよ
うに設けられた段部１１にミラー押えバネの折り曲げ部
７の先端が引っ掛かるため、ミラー押えバネ１が容易に
抜けることはない。FIG. 2B shows another embodiment in which a step is provided in the annular groove. Since the tip of the bent portion 7 of the mirror pressing spring is hooked on the step 11 provided in a concave shape near the bottom of the annular groove 6, the mirror pressing spring 1 does not easily come off.
【００１４】[0014]
【考案の効果】以上のように本考案は、ミラー押えバネ
の折り曲げ部を搭載部の円環溝に直接固定することによ
り回転軸ヘの溝やネジ山といった加工を不要にし、容易
に所定の押圧力をえられるという優れたレーザスキャナ
ーモータを実現できるものである。As described above, according to the present invention, the bent portion of the mirror pressing spring is directly fixed to the annular groove of the mounting portion, thereby eliminating the need for processing such as a groove or a screw thread on the rotating shaft, and making it possible to easily perform a predetermined process. An excellent laser scanner motor capable of obtaining a pressing force can be realized.
【図１】（ａ）は本考案の一実施例におけるレーザスキ
ャナーモータの断面図 （ｂ）は本考案の一実施例におけるレーザスキャナーモ
ータの上面図1A is a cross-sectional view of a laser scanner motor according to an embodiment of the present invention; FIG. 1B is a top view of the laser scanner motor according to an embodiment of the present invention;
【図２】（ａ）は本考案の別の一実施例におけるレーザ
スキャナーモータの断面図 （ｂ）は円環溝に段部を設けたさらに別の一実施例にお
けるレーザスキャナーモータの断面図FIG. 2A is a cross-sectional view of a laser scanner motor according to another embodiment of the present invention. FIG. 2B is a cross-sectional view of a laser scanner motor according to still another embodiment in which a step portion is provided in an annular groove.
【図３】（ａ）は従来のレーザスキャナーモータのミラ
ー押えバネの固定にＣリングを使用した断面図 （ｂ）は従来のレーザスキャナーモータのミラー押えバ
ネの固定にネジを使用した断面図FIG. 3A is a cross-sectional view of a conventional laser scanner motor using a C-ring for fixing a mirror presser spring. FIG. 3B is a cross-sectional view of a conventional laser scanner motor using a screw for fixing a mirror presser spring.
１ ミラー押えバネ ２ 回転軸 ３ 搭載部 ４ ポリゴンミラー ５ ブラシレスモータ ６ 円環溝 ７ ミラー押えバネの折り曲げ部 ８ 搭載部の凸部 ９ Ｃリング １０ ネジ １１ 段部 DESCRIPTION OF SYMBOLS 1 Mirror holding spring 2 Rotating axis 3 Mounting part 4 Polygon mirror 5 Brushless motor 6 Ring groove 7 Mirror holding spring bent part 8 Mounting part convex part 9 C ring 10 Screw 11 Step part
Claims (2)
と、前記ポリゴンミラーの搭載部と、前記ポリゴンミラ
ーを前記搭載部に固定するミラー押えバネからなるレー
ザスキャナーモータにおいて、前記搭載部には有底の円
環溝が設けられ、前記ミラー押えバネはアキシャル方向
に折り曲げ部を設け、前記折り曲げ部を前記円環溝に挿
入し直接固定してなるレーザスキャナーモータ。1. A laser scanner motor comprising a motor, a polygon mirror for laser scanning, a mounting portion of the polygon mirror, and a mirror pressing spring for fixing the polygon mirror to the mounting portion, wherein the mounting portion has a bottom. A laser scanner motor provided with an annular groove, wherein the mirror pressing spring has a bent portion in the axial direction, and the bent portion is inserted into the annular groove and directly fixed.
えバネの抜け止め用の凹状段部を設けたことを特徴とす
る請求項１記載のレーザスキャナーモータ。2. The laser scanner motor according to claim 1, wherein a concave step portion for preventing the mirror holding spring from coming off is provided in the annular groove of the mounting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993012804U JP2574791Y2 (en) | 1993-03-22 | 1993-03-22 | Laser scanner motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993012804U JP2574791Y2 (en) | 1993-03-22 | 1993-03-22 | Laser scanner motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0673717U JPH0673717U (en) | 1994-10-18 |
| JP2574791Y2 true JP2574791Y2 (en) | 1998-06-18 |
Family
ID=11815586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993012804U Expired - Fee Related JP2574791Y2 (en) | 1993-03-22 | 1993-03-22 | Laser scanner motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2574791Y2 (en) |
-
1993
- 1993-03-22 JP JP1993012804U patent/JP2574791Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0673717U (en) | 1994-10-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |