KR970017250A - Fixed Assembly Device for Optical Pickup Actuator - Google Patents

Fixed Assembly Device for Optical Pickup Actuator Download PDF

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Publication number
KR970017250A
KR970017250A KR1019950032806A KR19950032806A KR970017250A KR 970017250 A KR970017250 A KR 970017250A KR 1019950032806 A KR1019950032806 A KR 1019950032806A KR 19950032806 A KR19950032806 A KR 19950032806A KR 970017250 A KR970017250 A KR 970017250A
Authority
KR
South Korea
Prior art keywords
fixing
objective lens
lens holder
optical pickup
pickup actuator
Prior art date
Application number
KR1019950032806A
Other languages
Korean (ko)
Other versions
KR0145500B1 (en
Inventor
이관철
Original Assignee
배순훈
대우전자 주식회사
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.)
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Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950032806A priority Critical patent/KR0145500B1/en
Publication of KR970017250A publication Critical patent/KR970017250A/en
Application granted granted Critical
Publication of KR0145500B1 publication Critical patent/KR0145500B1/en

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/22—Apparatus or processes for the manufacture of optical heads, e.g. assembly
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0933—Details of stationary parts
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0935—Details of the moving parts

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)

Abstract

본 발명은 광픽업 액츄에이터의 고정조립장치에 관한 것으로서, 내측요오크(91)(92)가 상부로 절곡되어 형성된 베이스플레이트(90)와, 상기 내측요오크(91)사이에 설치되어 설치공(81)에 대물렌즈(78)가 안치되고 저면에 누름면(82)이 형성된 광픽업 액츄에이터에 있어서, 상기 베이스플레이트(90)를 저면에서 받쳐주고, 베이스플레이트(90)의 내측요오크(91)사이에 안치된 대물렌즈홀더(80)를 고정시켜주는 대물렌즈홀더 고정부재(100)와, 상기 대물렌즈홀더 고정부재(100)가 경사지게 설치되도록 상부면에 경사홈(141)이 형성된 하부고정 지그(140)로 구성된 것을 특징으로 하는 광픽업 액츄에이터의 고정조립장치인바, 광픽업 액츄에이터의 조립성 및 작업성을 향상시키도록 해주는 것이다.The present invention relates to a fixed assembly device for an optical pickup actuator, wherein the inner yoke (91) (92) is bent upwards and formed between the base plate (90) and the inner yoke (91) 81. In the optical pickup actuator in which the objective lens 78 is placed on the bottom surface and the pressing surface 82 is formed on the bottom surface, the base plate 90 is supported by the bottom surface, and the inner yoke 91 of the base plate 90 is supported. An objective lens holder fixing member 100 for fixing the objective lens holder 80 placed therebetween, and a lower fixing jig having an inclined groove 141 formed on an upper surface thereof so that the objective lens holder fixing member 100 is inclinedly installed. Fixed assembly of the optical pickup actuator, characterized in that configured to 140, to improve the assembly and workability of the optical pickup actuator.

Description

광픽업 액츄에이터의 고정조립장치Fixed Assembly Device for Optical Pickup Actuator

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제3도는 본 발명에 따른 고정조립 장치의 외관 사시도,3 is an external perspective view of the fixed assembly according to the present invention,

제4도는 본 발명에 따른 고정조립장치의 작동 상태 단면도,Figure 4 is a cross-sectional view of the operating state of the fixed assembly according to the present invention,

제5도는 본 발명에 따른 고정조립장치의 상세 단면도.5 is a detailed cross-sectional view of a fixed assembly according to the present invention.

Claims (4)

내측요오크(91)(92)가 상부로 절곡되어 형성된 베이스플레이트(90)와, 상기 내측요오크(91)사이에 설치되어 설치공(81)에 대물렌즈(78)가 안치되고 저면에 누름면(82)이 형성된 광픽업 액츄에이터에 있어서, 상기 베이스플레이트(90)를 저면에서 받쳐주고, 베이스플레이트(90)의 내측요오크(91)사이에 안치된 대물렌즈 홀더(80)를 고정시켜주는 대물렌즈 홀더고정부재(100)와, 상기 대물렌즈 홀더고정부재(100)가 경사지게 설치되도록 상부면에 경사홈(141)이 형성된 하부고정지그(140)로 구성된 것을 특징으로 하는 광픽업 액츄에이터의 고정 조립장치.The inner plate 91 is formed between the base plate 90 formed by bending the upper side and the inner yoke 91, and the objective lens 78 is placed in the installation hole 81 and pressed on the bottom surface. In the optical pickup actuator having a surface 82, the base plate 90 is supported from the bottom surface, and the objective lens holder 80 fixed between the inner yoke 91 of the base plate 90 is fixed. Fixing the optical pickup actuator, characterized in that the objective lens holder fixing member 100, and the lower fixing jig 140 formed with an inclined groove 141 on the upper surface so that the objective lens holder fixing member 100 is inclined Assembly device. 제1항에 있어서, 상기 대물렌즈 홀더고정부재(100)는 상기 대물렌즈 홀더(80)의 설치공(81)이 끼워지는 고정보스(103)가 상부면에 돌설되고, 고정보스(103)의 외주부에는 베이스플레이트(90)의 저면 테두리(94)가 안치되는 요홈(102)이 형성되며, 요홈(102)의 일측면에는 베이스플레이트(90)의 끼움공(94)이 끼워져서 고정되도록 해주는 원형돌기(104)가 형성된 메인플레이트(101)와, 상기 메인플레이트(101)의 저면 중심부 내에 설치되어 대물렌즈 홀더고정부재(100)를 하부고정지그(140)에 장착 혹은 분리시킴에 따라 대물렌즈 홀더(80)를 착탈시키는 누름부재(130)와, 상기 대물렌즈 홀더고정부재(100)가 하부고정지그(140)의 경사홈(14)에 끼움결합하도록 메인플레이트(101)의 외주부에 다수개 형성된 걸림부재(150)로 구성된 것을 특징으로 하는 광픽업 액츄에이터의 고정조립장치.According to claim 1, The objective lens holder fixing member 100 is a high information 103 to the mounting hole 81 of the objective lens holder 80 is projected on the upper surface, the high information 103 The outer periphery is formed with a groove 102 in which the bottom rim 94 of the base plate 90 is settled, and one side of the groove 102 is fitted with a fitting hole 94 of the base plate 90 to be fixed. The objective lens holder is installed in the main plate 101 having the protrusion 104 and the center of the bottom surface of the main plate 101, and the objective lens holder fixing member 100 is attached to or detached from the lower fixing jig 140. A plurality of pressing members 130 for attaching and detaching the 80 and the objective lens holder fixing member 100 are formed on the outer circumference of the main plate 101 so as to fit into the inclined grooves 14 of the lower fixing jig 140. Fixing assembly of the optical pickup actuator, characterized in that consisting of the locking member 150 Device. 제2항에 있어서, 상기 누름부재(130)는 상기 대물렌즈 홀더(80)의 저면에 형성된 누름면(82)을 눌러주고, 중심부 저면에 경사면(105)이 형성된 좌,우 이동편(108)과, 상기 좌,우 이동편(108)을 중심부로 오므려 주기위해 탄성력을 제공하는 복귀스프링(106)과, 상기 복귀스프링(106)의 경사면(105)에 누름돌기(112)가 끼워져서 좌,우 이동편(108)을 좌,우로 동작시키기 위해 메인플레이트(101)가 하부고정지그(140)에 안치 혹은 분리됨에 따라 상,하로 이동하는 상,하 이동편(110)과, 상기 상,하 이동편(110)을 저면으로 밀어주는 탄성 스프링(120)과, 상기 상,하 이동편(110)을 메인플레이트(101)의 저면에 고정시켜주기 위해 고정나사(132)에 의해 체결고정되는 받침판(131)으로 구성된 것을 특징으로 하는 광픽업 액츄에이터의 고정조립장치.The left and right moving pieces 108 of claim 2, wherein the pressing member 130 presses the pressing surface 82 formed on the bottom surface of the objective lens holder 80, and an inclined surface 105 is formed on the bottom surface of the central lens. And, the return spring 106 for providing an elastic force to retract the left and right moving piece 108 to the center, and the pressing projection 112 is fitted to the inclined surface 105 of the return spring 106 to the left Up and down moving pieces 110 to move up and down as the main plate 101 is placed or separated in the lower fixing jig 140 to operate the right moving piece 108 to the left and right, An elastic spring 120 for pushing the lower movable piece 110 to the bottom surface and the upper and lower movable pieces 110 are fastened and fixed by the fixing screw 132 to fix the lower movable piece 110 to the bottom surface of the main plate 101. Fixing assembly of the optical pickup actuator, characterized in that consisting of a support plate (131). 제2항에 있어서, 걸림부재(150)는 상기 메인플레이트(101)의 외벽면 내에 형성된 고정홈(108)과, 상기 고정홈(108)내에서 수평이동 되도록 설치되어 끝단부가 하부고정지그(140)의 장착홈(142)내에 착탈되는 고정돌기(151)와, 상기 고정돌기(151)가 장착홈(142)에 단단히 결합되도록 탄성력을 제공하는 스프링(153)과, 상기 고정돌기(151)가 외부로 이탈되는 것을 방지하기 위해 고정돌기(151)외주면에 형성된 걸림턱(152)으로 구성된 것을 특징으로 하는 광픽업 액츄에이터의 고정조립장치.According to claim 2, The locking member 150 is installed in the fixing groove 108 formed in the outer wall surface of the main plate 101, the horizontal groove in the fixing groove 108, the end is fixed to the lower jig 140 Fixing protrusion 151 detachable in the mounting groove 142 of the), the spring 153 for providing an elastic force so that the fixing protrusion 151 is firmly coupled to the mounting groove 142, and the fixing protrusion 151 is Fixing assembly of the optical pickup actuator, characterized in that consisting of the locking projections (152) formed on the outer circumferential surface of the fixing projections (151) to prevent the departure from the outside. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950032806A 1995-09-29 1995-09-29 A fixing and assembling device of optical pick-up actuator KR0145500B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950032806A KR0145500B1 (en) 1995-09-29 1995-09-29 A fixing and assembling device of optical pick-up actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950032806A KR0145500B1 (en) 1995-09-29 1995-09-29 A fixing and assembling device of optical pick-up actuator

Publications (2)

Publication Number Publication Date
KR970017250A true KR970017250A (en) 1997-04-30
KR0145500B1 KR0145500B1 (en) 1998-07-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950032806A KR0145500B1 (en) 1995-09-29 1995-09-29 A fixing and assembling device of optical pick-up actuator

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Publication number Publication date
KR0145500B1 (en) 1998-07-15

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