WO2023168860A1 - Dispositif de fixation de lentille et module de lentille - Google Patents

Dispositif de fixation de lentille et module de lentille Download PDF

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Publication number
WO2023168860A1
WO2023168860A1 PCT/CN2022/101610 CN2022101610W WO2023168860A1 WO 2023168860 A1 WO2023168860 A1 WO 2023168860A1 CN 2022101610 W CN2022101610 W CN 2022101610W WO 2023168860 A1 WO2023168860 A1 WO 2023168860A1
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WO
WIPO (PCT)
Prior art keywords
lens
fixing device
elastic
lens fixing
elastic arm
Prior art date
Application number
PCT/CN2022/101610
Other languages
English (en)
Chinese (zh)
Inventor
陈虹棋
Original Assignee
歌尔光学科技有限公司
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.)
Filing date
Publication date
Application filed by 歌尔光学科技有限公司 filed Critical 歌尔光学科技有限公司
Publication of WO2023168860A1 publication Critical patent/WO2023168860A1/fr

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/022—Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs

Definitions

  • the present application relates to the technical field of optical equipment, and more specifically, the present application relates to a lens fixing device and a lens module.
  • optical camera modules have been widely used in various products.
  • Common methods for fixing lenses include glue dispensing, hot melting or pressure ring fixation.
  • the lens is fixed in the lens barrel through glue dispensing, making the lens module difficult to repair and less reliable.
  • the lens barrel is partially softened and then coated in the middle so that the lens is fixed to the lens barrel, making the lens module difficult to repair.
  • the lens module may generate high temperatures during use. Due to the different thermal collision coefficients of the lens and the pressure ring, the connection between the lens and the pressure ring is no longer reliable.
  • this application provides a new type of lens fixing device.
  • One purpose of this application is to provide a new technical solution for a lens fixing device and lens module.
  • a lens fixing device includes a connecting part and an elastic part;
  • the lens fixing device has an annular structure, and the connecting part and the elastic part are stacked and connected together;
  • the connecting part is used to connect with the inner wall of the lens barrel
  • the elastic part is used to contact the lens.
  • the elastic part includes a body part and an elastic arm.
  • the elastic arm is arranged on the side of the body part away from the connecting part.
  • the first end of the elastic arm is connected to the elastic arm.
  • the body part is fixedly connected; the second end of the elastic arm extends along the circumferential direction of the lens fixing device, and a gap is formed between the elastic arm and the body part.
  • a plurality of the elastic arms are evenly arranged around the central axis of the lens fixing device.
  • the body part has a first surface, the first surface and the elastic arm are arranged oppositely in the axial direction of the elastic part, and a first gap part is formed between the elastic arm and the first surface. .
  • the first gap portion has a width dimension along an axial direction of the elastic portion, and the width dimension gradually increases along an extension direction from the first end to the second end of the elastic arm.
  • the body part has a second surface, the second surface and the elastic arm are arranged opposite to each other in the circumferential direction of the elastic part, and a second gap part is formed between the elastic arm and the second surface. .
  • threads are formed on the outer peripheral surface of the connecting portion, and the connecting portion is used for threaded connection with the lens barrel.
  • a groove is formed on the surface of the connecting part away from the elastic part.
  • the lens fixing device is a metal component or a plastic component.
  • the elastic part and the connecting part are integrally formed.
  • a lens module is provided.
  • the temple module includes a lens and a lens fixing device as described in the first aspect, and the lens is in contact with the elastic portion of the lens fixing device.
  • a lens fixing device is provided.
  • the lens fixing device includes a connecting part and an elastic part.
  • the lens of the embodiment of the present application is installed in the lens barrel through a lens fixing device, which has the characteristics of strong reliability and easy repair.
  • an elastic arm is provided on the elastic part of the lens fixing device, that is, the lens will contact the elastic arm. When the connection between the lens and the lens fixing device is not reliable, the elastic arm can release the elastic force so that the lens can The contact connection with the elastic part is maintained to avoid unreliable lens fixation.
  • Figure 1 is a schematic structural diagram of a lens fixing device in an embodiment of the present application.
  • Figure 2 shows a schematic structural diagram of the lens installed on the lens fixing device.
  • Figure 3 shows a schematic structural diagram of the lens module.
  • Lens fixing device 10. Through hole; 11. Connection part; 111. Groove; 12. Elastic part; 121. Body part; 122. Elastic arm; 1221. First end; 1222. Second end; 123. The first slit part; 124. The second slit part; 2. Lens; 3. Lens barrel.
  • any specific values are to be construed as illustrative only and not as limiting. Accordingly, other examples of the exemplary embodiments may have different values.
  • the lens fixing device 1 includes a connecting part 11 and an elastic part 12 connected to the connecting part 11.
  • the lens fixing device 1 has an annular structure.
  • the lens fixing device 1 is provided with a through hole 10 , and the through hole 10 penetrates the connecting portion 11 and the elastic portion 12 .
  • the lens 2 is fixed on the lens fixing device, and the through hole 10 corresponds to the optical part of the lens 2 .
  • the lens fixing device 1 has an annular structure to facilitate the passage of light.
  • the connecting portion 11 and the elastic portion 12 are stacked and connected together.
  • the connecting part 11 has a first surface opposite to the elastic part 12, and the elastic part 12 has a second surface opposite to the connecting part 11.
  • the first surface and the second surface are attached and connected, so that the connecting part 11 and the elastic part 12 connected together.
  • the connecting part 11 and the elastic part 12 may be connected by hot melting, welding, bonding, or buckling. This embodiment does not limit the connection method between the connecting part 11 and the elastic part 12 .
  • the material of the connecting part 11 and the elastic part 12 may be the same or different.
  • the connecting part 11 may be made of plastic or metal.
  • the elastic part 12 can be replaced by an O-ring or a spring washer.
  • the connecting portion 11 is used to connect with the inner wall of the lens barrel 3 .
  • the connecting portion 11 is connected to the inner wall of the lens barrel 3 so that the lens fixing device 1 is installed on the lens barrel 3 .
  • the connecting portion 11 and the lens barrel 3 can be connected by a snap connection, an adhesive connection, a magnetic connection, or a screw connection. This embodiment does not limit the connection method between the connecting part 11 and the lens barrel 3 .
  • the elastic part 12 is used to contact the lens 2 .
  • the elastic part 12 includes a body part 121 and an elastic arm 122.
  • the elastic arm 122 is disposed on a side of the body part 121 away from the connecting part 11.
  • the first end 1221 of the elastic arm 122 is connected to the first end 1221 of the elastic arm 122.
  • the main body part 121 is fixedly connected; the second end 1222 of the elastic arm 122 extends along the circumferential direction of the lens fixing device 1, and a gap is formed between the elastic arm 122 and the main body part 121.
  • the first end 1221 of the elastic arm 122 is fixed on the body part 121
  • the second end 1222 of the elastic arm 122 is a free end (that is, the second end 1222 of the elastic arm 122 does not form a connection relationship with any component)
  • the second end 1222 of the elastic arm 122 is not connected to any component.
  • the two ends 1222 extend along the circumferential direction of the lens fixing device 1 , that is, the elastic arm 122 is an arc-shaped elastic arm 122 .
  • the first end 1221 of the elastic arm 122 may be welded to the body part 121 or the elastic arm 122 and the body part 121 may be integrally formed.
  • the elastic arm 122 is welded to the body part 121 as an independent component.
  • a recess is formed on the body part 121, and the recess is used to accommodate the elastic arm 122.
  • the first end 1221 of the elastic arm 122 is welded to the elastic part 12, and the second end 1222 of the elastic arm 122 is located in the recess.
  • the elastic arms 122 are not used as independent components, but multiple elastic arms 122 are cut out on the elastic portion 12 by cutting.
  • the elastic arm 122 is disposed on the body part 121, and a gap is formed between the elastic arm 122 and the body part 121, where the gap serves as an adjustment space after the elastic arm 122 is deformed.
  • the lens 2 is installed on the lens barrel 3 through the lens fixing device 1, the outer peripheral surface of the lens 2 is in contact with the lens barrel 3, and the end surface of the lens 2 close to the elastic part 12 is in contact with the elastic part 12, and at the same time, pressure is continuously applied to the lens 2 On the top, the end surface of the lens 2 contacts the elastic part 12, causing the elastic arm 122 to deform.
  • the elastic arm 122 can deform and be completely flattened (that is, the elastic arm 122 is pressed so that the elastic arm 122
  • the gap between the elastic part 121 and the main body part 121 becomes smaller or there is no gap part), which increases the contact force between the elastic part 12 and the lens 2, and improves the reliability of the lens 2 being installed on the lens barrel 3.
  • a plurality of elastic arms 122 are evenly arranged around the central axis of the lens fixing device 1 .
  • the lens 2 is installed on the lens barrel 3 through the lens fixing device 1, the outer peripheral surface of the lens 2 is in contact with the lens barrel 3, and the end surface of the lens 2 close to the elastic part 12 is in contact with the elastic part 12, while continuing to apply pressure to the lens barrel 3.
  • the end surface of the lens 2 will first contact the elastic arm 122.
  • the multiple elastic arms 122 can transmit the force to the lens 2 respectively.
  • the force transmitted by the elastic arms 122 to the lens 2 is uniform, and the force endured by the lens 2 is also uniform, thereby avoiding the possibility of The lens 2 bears different forces, which results in poor installation reliability of the lens 2 and poor imaging effect of the lens 2 .
  • three elastic arms 122 are formed on the elastic part 12 , and the three elastic arms 122 are evenly arranged.
  • the gap portion includes a first gap portion 123
  • the body portion 121 has a first surface
  • the first surface and the elastic arm 122 are in the axial direction of the elastic portion 12
  • the first gap 123 is formed between the elastic arm 122 and the first surface.
  • the body part 121 has a first surface, wherein the first surface is opposite to the elastic arm 122 in the axial direction of the elastic part 12 .
  • a first gap 123 is formed between the elastic arm 122 and the first surface.
  • the elastic arm 122 faces in a direction away from the lens 2 By moving and deforming, the elastic arm 122 is gradually flattened, so that the surface of the elastic arm 122 close to the first surface is in contact with the first surface.
  • the connection between the lens 2 and the lens fixing device 1 may not be so reliable under high temperature conditions (due to the inconsistent thermal expansion coefficients of the lens 2 and the lens fixing device 1, the lens 2 may become loose when in contact with the lens fixing device 1), in this case, the elastic arm 122 can deform and release the elastic force (at this time, the elastic arm 122 is not in complete contact with the first surface), so that the lens 2 can remain in contact with the first surface.
  • the first gap portion 123 has a width dimension along the axial direction of the elastic portion 12 and along the extending direction of the first end 1221 to the second end 1222 of the elastic arm 122 . , the width dimension gradually increases.
  • the width dimension of the first slit portion 123 is limited, in which the width dimension is smaller closer to the first end 1221 of the first slit portion 123 and closer to the second end 1222 of the first slit portion 123 .
  • Such arrangement of the elastic arm 122 enables the elastic arm 122 to have a better elastic effect.
  • the gap portion includes a second gap portion 124
  • the body portion 121 has a second surface
  • the second surface and the elastic arm 122 are in the circumferential direction of the elastic portion 12 Arranged oppositely in the direction, a second gap portion 124 is formed between the elastic arm 122 and the second surface.
  • the second end 1222 of the elastic arm 122 needs to be set as a free end.
  • the elastic arm 122 moves and deforms along the axial direction of the elastic part 12, in order to avoid interference with the main body part 121, between the end surface of the second end 1222 of the elastic arm 122 and the third end of the elastic part 12
  • a second gap portion 124 is formed between the two surfaces.
  • a wider second gap portion 124 is formed between the end surface of the second end 1222 of the elastic arm 122 and the second surface.
  • the lens 2 When the lens 2 is being installed and the lens 2 is continuously pressed, the lens 2 contacts the elastic arm 122. Since the elastic arm 122 is subjected to an external force, a formation is formed between the end surface of the second end 1222 of the elastic arm 122 and the second surface. A second gap portion 124 with a narrower width is formed.
  • threads are formed on the outer peripheral surface of the connecting portion 11 , and the connecting portion 11 is used for threaded connection with the lens barrel 3 .
  • multiple turns of threads are formed on the outer wall of the connecting part 11, and correspondingly, multiple turns of threads are also formed on the inner wall of the lens barrel 3.
  • the connecting part 11 and the lens barrel 3 are connected through threads, so that the lens
  • the fixing device 1 is installed on the lens barrel 3 .
  • a groove 111 is formed on the surface of the connecting portion 11 away from the elastic portion 12 .
  • one groove 111 or multiple grooves 111 are formed on the surface of the connecting portion 11 away from the elastic portion 12 .
  • a certain adjustment tool can be inserted into the groove 111 of the lens fixing device 1 to rotate and adjust the lens fixing device 1 so that the lens
  • the fixing device 1 can be well connected with the inner wall of the lens barrel 3 .
  • the lens fixing device 1 is a metal component or a plastic component.
  • the material of the lens fixing device 1 is limited, and the lens fixing device 1 can be made of metal or plastic, which prolongs the service life of the lens fixing device 1 .
  • the elastic part 12 and the connecting part 11 are integrally formed.
  • the elastic part 12 and the connecting part 11 are integrally formed.
  • the elastic part 12 and the connecting part 11 are made of the same material.
  • the elastic part 12 and the connecting part 11 are both made of metal, and the lens fixing device 1 can be formed by stamping.
  • the elastic part 12 and the connecting part 11 can be made of plastic, and injection molding can be used.
  • the lens fixing device 1 is formed in this way.
  • a lens module is provided.
  • the lens module includes a lens 2 and a lens fixing device as described in the first aspect.
  • the lens 2 is in contact with the elastic part 12 of the lens fixing device 1 .
  • the lens 2 is in contact with the elastic portion 12 of the lens fixing device 1 .
  • the lens fixing device 1 is applied to the lens module to facilitate repair of the internal structure of the lens module.

Abstract

L'invention concerne un dispositif de fixation de lentille (1) et un module de lentille. Le dispositif de fixation de lentille (1) comprend une partie de liaison (11) et une partie élastique (12) ; le dispositif de fixation de lentille (1) est d'une structure annulaire ; la partie de liaison (11) et la partie élastique (12) sont empilées et reliées ensemble ; la partie élastique (12) comprend une partie corps (121) et un bras élastique (122) ; le bras élastique (122) est disposé sur le côté de la partie corps (121) le plus éloigné de la partie de liaison (11) ; une première extrémité (1221) du bras élastique (122) est reliée de manière fixe à la partie corps (121) ; une seconde extrémité (1222) du bras élastique (122) s'étend dans la direction circonférentielle du dispositif de fixation de lentille (1) ; et des parties d'espace (123 et 124) sont formées entre le bras élastique (122) et la partie corps (121).
PCT/CN2022/101610 2022-03-10 2022-06-27 Dispositif de fixation de lentille et module de lentille WO2023168860A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210240930.9 2022-03-10
CN202210240930.9A CN114624842A (zh) 2022-03-10 2022-03-10 一种镜片固定装置以及镜头模组

Publications (1)

Publication Number Publication Date
WO2023168860A1 true WO2023168860A1 (fr) 2023-09-14

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PCT/CN2022/101610 WO2023168860A1 (fr) 2022-03-10 2022-06-27 Dispositif de fixation de lentille et module de lentille

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WO (1) WO2023168860A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114624842A (zh) * 2022-03-10 2022-06-14 歌尔光学科技有限公司 一种镜片固定装置以及镜头模组

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005088153A1 (fr) * 2004-03-15 2005-09-22 Sharp Kabushiki Kaisha Ressort plat et actionneur de lentille muni de ce ressort
CN101866040A (zh) * 2009-04-20 2010-10-20 鸿富锦精密工业（深圳）有限公司 对焦镜头模组
CN101923200A (zh) * 2009-06-12 2010-12-22 鸿富锦精密工业（深圳）有限公司 镜头模组
CN206523689U (zh) * 2017-01-20 2017-09-26 瑞声科技(新加坡)有限公司 镜头模组
CN208636494U (zh) * 2018-02-09 2019-03-22 瑞声科技(新加坡)有限公司 一种镜头模组
CN114624842A (zh) * 2022-03-10 2022-06-14 歌尔光学科技有限公司 一种镜片固定装置以及镜头模组

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005088153A1 (fr) * 2004-03-15 2005-09-22 Sharp Kabushiki Kaisha Ressort plat et actionneur de lentille muni de ce ressort
CN101866040A (zh) * 2009-04-20 2010-10-20 鸿富锦精密工业（深圳）有限公司 对焦镜头模组
CN101923200A (zh) * 2009-06-12 2010-12-22 鸿富锦精密工业（深圳）有限公司 镜头模组
CN206523689U (zh) * 2017-01-20 2017-09-26 瑞声科技(新加坡)有限公司 镜头模组
CN208636494U (zh) * 2018-02-09 2019-03-22 瑞声科技(新加坡)有限公司 一种镜头模组
CN114624842A (zh) * 2022-03-10 2022-06-14 歌尔光学科技有限公司 一种镜片固定装置以及镜头模组

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