JPH0453214U

JPH0453214U -

Info

Publication number: JPH0453214U
Application number: JP9548290U
Authority: JP
Priority date: 1990-09-10
Filing date: 1990-09-10
Publication date: 1992-05-07

Description

[Brief explanation of the drawing]

第１図はｆθレンズが固定されるケース部分の
平面図、第２図は同断面正面図、第３図は第２実
施例の平面図、第４図は同断面側面図、第５図は
第３実施例の平面図、第６図は第５図のＡ−Ａ線
断面図、第７図は光走査装置の平面図、第８図は
従来のｆθレンズの固定構造を示す断面正面図、
第９図は同平面図である。尚図中、３はケース、５は光源部、７は光偏向
器、９，１１はｆθレンズ、１９，２１は載置面
、３７，５５，６７は膨出部、４１，５１，６１
は押え部材である。 Fig. 1 is a plan view of the case portion to which the fθ lens is fixed, Fig. 2 is a front view of the same cross section, Fig. 3 is a plan view of the second embodiment, Fig. 4 is a side view of the same cross section, and Fig. 5 is a plan view of the case portion where the fθ lens is fixed. A plan view of the third embodiment, FIG. 6 is a sectional view taken along the line A-A in FIG. 5, FIG. 7 is a plan view of the optical scanning device, and FIG. 8 is a sectional front view showing the conventional fθ lens fixing structure. ,
FIG. 9 is a plan view of the same. In the figure, 3 is a case, 5 is a light source, 7 is an optical deflector, 9 and 11 are fθ lenses, 19 and 21 are mounting surfaces, 37, 55, and 67 are bulges, and 41, 51, 61
is a pressing member.

Claims

[Scope of Claim for Utility Model Registration] A structure for fixing an optical component to a case, wherein a mounting surface on which the optical component is placed is formed in the part of the case where the optical component is fixed, and the optical component is fixed. A bulge is formed near a portion of the case, a slope is formed in the bulge, the height of which gradually decreases as it approaches the optical component, and an optical component facing the bulge is placed on the slope. a holding member having an abutment surface that can come into contact with a side surface of the case, a pressing member that presses against the inclined surface so that the holding member moves on the inclined surface, and a location of the case where the optical component is fixed. A reference surface is formed to restrict the movement of the optical component by the contact surface of the holding member and determine the position of the optical component on the mounting surface, and further, a corresponding part of the optical component is brought into contact with the reference surface. A fixing structure for an optical component, characterized in that the holding member has a contact surface that comes into contact with a surface of the optical component located opposite to the mounting surface when the holding member is in the state of the mounting surface.