CN112468628A - Telescopic zoom lens - Google Patents

Telescopic zoom lens Download PDF

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Publication number
CN112468628A
CN112468628A CN202011384982.0A CN202011384982A CN112468628A CN 112468628 A CN112468628 A CN 112468628A CN 202011384982 A CN202011384982 A CN 202011384982A CN 112468628 A CN112468628 A CN 112468628A
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CN
China
Prior art keywords
lens barrel
zoom
zoom lens
driving
focusing
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.)
Pending
Application number
CN202011384982.0A
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Chinese (zh)
Inventor
王玉
吕强
孔旭东
姚宏辉
李昆
王浩
肖明志
邱盛平
龚俊强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan United Optoelectronic Research Institute Co Ltd
Original Assignee
Zhongshan United Optoelectronic Research Institute Co Ltd
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 Zhongshan United Optoelectronic Research Institute Co Ltd filed Critical Zhongshan United Optoelectronic Research Institute Co Ltd
Priority to CN202011384982.0A priority Critical patent/CN112468628A/en
Publication of CN112468628A publication Critical patent/CN112468628A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • H04M1/0264Details of the structure or mounting of specific components for a camera module assembly
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • H04N23/55Optical parts specially adapted for electronic image sensors; Mounting thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/67Focus control based on electronic image sensor signals

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Lens Barrels (AREA)

Abstract

The invention discloses a telescopic zoom lens, which comprises a shell, a zoom device and a focusing assembly, wherein an installation channel is formed in the shell, one end of the installation channel is an object side end, and the other end of the installation channel is an image side end; the zooming device is positioned in the installation channel and comprises a first zooming component and an installation seat which are sequentially arranged close to the object side end, the first zooming component is elastically installed on the installation seat along the depth direction of the installation channel, the first zooming component comprises a first zooming lens barrel and a first zooming lens focusing component arranged in the first zooming lens barrel, the first zooming lens focusing component comprises a focusing lens barrel and a focusing lens arranged in the focusing lens barrel, the focusing lens barrel and the first zooming lens barrel are adjustably arranged along the depth direction of the installation channel, when the first zooming component is collided with the outside, a shot picture is blurred from clarity under the elastic action, a control element inside the mobile phone controls the first zooming component and the focusing component to retract to be consistent with the thickness of the mobile phone after detecting the picture change, and the protection effect is achieved.

Description

Telescopic zoom lens
Technical Field
The invention relates to the technical field of zoom lenses, in particular to a telescopic zoom lens.
Background
The mobile phones sold in the market at present are provided with a plurality of optical photographing modules and a common zoom lens with a periscopic structure, the structure introduces an optical element of a right-angle reflecting prism, incident light is reflected to be transmitted in a direction vertical to the thickness direction of the mobile phone through the reflecting prism, the total length of the zoom lens is lengthened, the moving range of a zoom lens group is expanded, and further the multiplying power of optical zooming is increased. However, in the zoom lens with the periscopic structure, the diameter of the lens is limited by the thickness of the mobile phone, so that the diameter of the lens is relatively small, which reduces the light flux entering the zoom optical module and affects the imaging quality.
Disclosure of Invention
The invention mainly aims to provide a telescopic zoom lens, which can adjust the focal length in a telescopic mode without the limitation of the thickness of a mobile phone, but in the shooting process of the mobile phone, for example, in a place with dense crowd or narrow space, the overall thickness of the extended lens is larger than the thickness of the mobile phone, and the extended lens is easy to be collided and scratched to cause damage
To achieve the above object, the present invention provides a telescopic zoom lens, including:
the device comprises a shell, a first fixing device and a second fixing device, wherein an installation channel is formed in the shell, one end of the installation channel is an object side end, and the other end of the installation channel is an image side end;
the zoom device is positioned in the mounting channel and comprises a first zoom component and a mounting seat which are sequentially arranged close to the object side end, the first zoom component is elastically mounted on the mounting seat along the depth direction of the mounting channel, and the first zoom component comprises a first zoom lens barrel and a first zoom lens arranged in the first zoom lens barrel; and the number of the first and second groups,
the focusing assembly comprises a focusing lens barrel and a focusing lens arranged in the focusing lens barrel, and the focusing lens barrel and the first zoom lens barrel are arranged in an adjustable mode along the depth direction of the mounting channel and used for adjusting the shooting focal length of the lens.
Optionally, the zoom apparatus includes an elastic member structure, and the elastic member structure is located between the first zoom lens barrel and the mount, so as to elastically mount the first zoom lens barrel to the mount.
Optionally, an end surface of the mounting base close to the image side end is provided with a mounting hole, and the first zoom lens barrel is provided with a first groove corresponding to the mounting hole;
a guide rod is further arranged between the mounting seat and the first zoom lens barrel, the guide rod extends along the depth direction of the mounting channel, and the guide rod penetrates through the mounting hole and extends into the first groove.
Optionally, the elastic member structure includes an annular elastic sheet, and an end surface of the annular elastic sheet close to the image side end is provided with a positioning hole;
the guide rod sequentially penetrates through the mounting hole and the positioning hole to be mounted in the first groove.
Optionally, the guide rods, the first grooves, the mounting holes and the positioning holes correspond to one another to form guide groups, and the guide groups are arranged in a plurality of positions and are arranged at intervals along the circumferential direction of the annular elastic sheet.
Optionally, the focusing assembly further includes a voice coil motor, the voice coil motor is located between the focusing lens barrel and the housing, and a driving end of the voice coil motor is in driving connection with the focusing lens barrel to drive the focusing lens barrel to move along the depth direction of the installation channel.
Optionally, the telescopic zoom lens further comprises a telescopic driving assembly, the telescopic driving assembly comprising:
the driving cylinder is rotatably installed in the installation channel along the depth direction of the installation channel and sleeved on the outer surface of the first zoom lens cone, and a driving chute is arranged on the side wall of the driving cylinder; and the number of the first and second groups,
one end of the driving column is arranged on the outer surface of the mounting seat, and the other end of the driving column is slidably mounted in the driving chute;
the driving cylinder rotates to drive the first zoom lens barrel to move along the depth direction of the mounting channel.
Optionally, the zoom device includes an elastic member structure, the elastic member structure includes a plurality of sleeve members correspondingly sleeved on the outer surfaces of the plurality of driving columns, and the outer surfaces of the plurality of sleeve members abut against the inner wall surfaces of the corresponding driving chutes.
Optionally, the telescopic drive assembly further comprises:
a driving motor having a driving shaft extending in a depth direction of the installation passage; and the number of the first and second groups,
and the gear set comprises a first gear and a second gear which are meshed with each other, the first gear is arranged on the driving shaft, and the second gear is arranged on the driving barrel.
Optionally, the telescopic driving assembly further comprises a fixed cylinder located in the installation channel, the fixed cylinder is located between the driving cylinder and the first zoom lens barrel, a guide hole extending along the depth direction of the installation channel is formed in the outer surface of the fixed cylinder, and the guide hole is used for the driving column to penetrate through so as to limit the rotation of the guide column.
Optionally, the zoom apparatus further comprises:
the second zooming component is positioned in the mounting channel and comprises a second zooming lens barrel and a second zooming lens arranged in the second zooming lens barrel; and the number of the first and second groups,
a third zoom assembly positioned in the mounting channel, the third zoom assembly including a third zoom lens barrel and a third zoom lens disposed in the third zoom lens barrel;
the first zooming component, the mounting seat, the second zooming component, the focusing component and the third zooming component are sequentially arranged from the object side end to the image side end, and the first zooming component, the second zooming lens barrel, the focusing lens barrel and the third zooming lens barrel are arranged in an adjustable mode along the depth direction of the mounting channel.
In the technical scheme of the invention, the focusing lens barrel and the first zoom lens barrel are adjustably arranged along the depth direction of the mounting channel, so that the distance between the first zoom lens and the focusing lens is adjusted, the adjustment and focusing of the focal length are realized, the imaging quality is improved, meanwhile, the first zoom assembly is elastically mounted on the mounting seat, when the position of the first zoom lens barrel is adjusted, the first zoom assembly partially protrudes out of the shell, when the first zoom assembly is collided by the outside, the first zoom assembly moves towards the direction of the image side end, the distance between the first zoom assembly and the mounting seat is changed, namely the distance between the first zoom lens barrel and the focusing lens barrel is changed, at the moment, the shot picture is changed from clear to fuzzy, and after the picture change is detected by a corresponding control element in the mobile phone, the first zoom assembly and the focusing assembly are automatically controlled to be restored to the original positions The position, namely the position is retracted to be consistent with the thickness of the mobile phone, thereby playing a protection role.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of an embodiment of a retractable zoom lens provided in the present invention;
FIG. 2 is a perspective view of the first zoom assembly and the mount of FIG. 1 in mating relationship;
FIG. 3 is a schematic partially cross-sectional perspective view of FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along A-A of FIG. 2;
fig. 5 is a perspective view of the sleeve member of fig. 1.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
100 Telescopic zoom lens 24 Third zooming assembly
1 Shell body 3 Focusing assembly
11 Installation channel 31 Focusing lens
11a End of things 4 Elastic piece structure
11b Image side end 41 Guide rod
21 First zooming assembly 42 Sleeve member
211 First zoom lens barrel 51 Drive cylinder
212 First zoom lens 52 Driving column
22 Mounting seat 53 Driving motor
23 Second zoom assembly 54 Fixed cylinder
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Mobile phones sold in the market at present are equipped with a plurality of optical photographing modules, an optical system of the traditional mobile phone photographing module is designed into a fixed-focus mode, and then a zoom module with a movable lens group is developed successively. The thickness of the mobile phone is limited to a certain extent, so that the moving range of the movable lens is relatively limited, in order to overcome the defect that the moving range of the movable lens group is limited by the thickness of the mobile phone, research and development personnel propose a zoom lens with a periscopic structure, the structure introduces an optical element of a right-angle reflecting prism, incident light is reflected into a direction perpendicular to the thickness direction of the mobile phone through the reflecting prism and transmitted, the total length of the zoom lens is lengthened, the moving range of the zoom lens group is expanded, and further the multiplying power of optical zooming is increased. However, in the periscopic structure, the diameter of the lens is limited by the thickness of the mobile phone, so that the diameter of the lens is relatively small, which reduces the light flux entering the zoom optical module and affects the imaging quality.
In order to realize larger zoom magnification and higher light inlet flux, the invention provides a novel zoom lens structure for a mobile phone, which effectively improves the light inlet quantity and the image definition and has better performance under the dark light condition. Fig. 1 to 5 are views illustrating an embodiment of a telescopic zoom lens according to the present invention.
Referring to fig. 1 to 2, the retractable zoom lens 100 includes a housing 1, a zoom device, and a focusing assembly 3, wherein an installation channel 11 is formed in the housing 1, one end of the installation channel 11 is an object side end 11a, and the other end is an image side end 11 b; the zoom device is located in the mounting channel 11, the zoom device includes a first zoom assembly 21 and a mounting seat 22 which are sequentially arranged near an object side end 11a, the first zoom assembly 21 is elastically mounted on the mounting seat 22 along a depth direction of the mounting channel 11, the first zoom assembly 21 includes a first zoom lens barrel 211 and a first zoom lens 212 arranged in the first zoom lens barrel 211, the focusing assembly 3 includes a focusing lens barrel and a focusing lens 31 arranged in the focusing lens barrel, and the focusing lens barrel and the first zoom lens barrel 211 are adjustably arranged along the depth direction of the mounting channel 11 and used for adjusting a shooting focal length of the lens.
In the technical solution of the present invention, the focusing lens barrel and the first zoom lens barrel 211 are adjustably disposed along the depth direction of the mounting channel 11, so that the distance between the first zoom lens 212 and the focusing lens 31 is adjusted, the adjustment and focusing of the focal length are realized, and the imaging quality is improved, meanwhile, the first zoom assembly 21 is elastically mounted on the mounting seat 22, when the orientation of the first zoom lens barrel 211 is adjusted, so that the first zoom assembly 21 partially protrudes out of the housing 1, when the first zoom assembly 21 is hit by the outside, the first zoom assembly 21 moves toward the direction of the image side end 11b, the distance between the first zoom assembly 21 and the mounting seat 22 changes, that is, the distance of the first zoom lens barrel 211 relative to the focusing lens barrel changes, and at this time, the shot image is blurred by being clear, after detecting the picture change, the corresponding control element inside the mobile phone automatically controls the first zooming component 21 and the focusing component 3 to restore to the initial positions, namely, retract to be consistent with the thickness of the mobile phone, thereby playing a protection role.
Further, in order to realize the elastic mounting of the first zoom assembly 21 relative to the mounting seat 22, referring to fig. 3, the zoom apparatus includes an elastic member structure 4, and the elastic member structure 4 is located between the first zoom lens barrel 211 and the mounting seat 22, so as to elastically mount the first zoom lens barrel 211 to the mounting seat 22. When one side of the first zoom lens cone 211 close to the object side end 11a is collided, the first zoom lens cone 211 drives the first zoom lens 212 to extrude the mounting seat 22, at the moment, the elastic part structure 4 is compressed, the focal length is changed, the shot image quality becomes fuzzy, the installation and the setting are convenient, the zooming and focusing are not influenced, and when the first zoom lens cone 211 and the focusing lens cone are adjusted relatively, the first zoom lens cone 211 and the focusing lens cone can follow the mounting seat 22 to act together. Damage caused by pressing, falling and bumping of the first zooming assembly 21 can be effectively prevented.
When the external force is removed, the elastic member 4 rebounds, so that the first zoom lens barrel 211 is restored to the initial position, and the next shooting adjustment is not affected.
For guiding, please refer to fig. 4, in this embodiment, an end surface of the mounting seat 22 close to the image side end 11b is provided with a mounting hole, and the first zoom lens barrel 211 is provided with a first groove corresponding to the mounting hole; a guide rod 41 is further disposed between the mounting seat 22 and the first zoom lens barrel 211, the guide rod 41 extends along the depth direction of the mounting channel 11, and the guide rod 41 penetrates through the mounting hole and extends into the first groove. The guide rod 41 is arranged to enable the first zoom lens cone 211 to move along the guide rod 41 all the time in the process of elastic movement, so that stability is ensured, and the first zoom lens cone 211 is displaced relative to the mounting seat 22 when elastic compression and rebound are placed.
Further, in an embodiment of the present invention, the elastic member structure 4 includes an annular elastic sheet, and an end surface of the annular elastic sheet close to the image side end 11b is provided with a positioning hole; the guide rod 41 sequentially penetrates through the mounting hole and the positioning hole to be mounted in the first groove. Therefore, the annular elastic sheet is sequentially connected with the mounting seat 22 and the first zoom lens barrel 211 through the guide rod 41, and the annular elastic sheet is placed to be offset. The arrangement form of the annular elastic sheet is convenient for matching and installation, and the stress at all positions is uniform in the process of the elastic movement of the first zoom lens cone 211.
If necessary, the elastic mounting may be achieved by providing a plurality of compression springs or rubber members disposed at intervals in the circumferential direction, which will not be described in detail herein.
Further, in order to ensure the stability of positioning and the firmness of long-term use, the guide rod 41, the first groove, the mounting hole and the positioning hole are in one-to-one correspondence to form a guide group, and the guide group is provided with a plurality of guide groups and arranged at intervals along the circumferential direction of the annular elastic sheet. In this embodiment the direction group is equipped with 3 groups, and the triangulation location mode is more firm.
In order to realize the adjustment of the focusing lens barrel, in the present invention, the focusing assembly 3 further includes a voice coil motor, the voice coil motor is located between the focusing lens barrel and the housing 1, and a driving end of the voice coil motor is in driving connection with the focusing lens barrel for driving the focusing lens barrel to move along the depth direction of the installation channel 11. A Voice Coil Motor (Voice Coil Motor) is a special form of direct drive Motor. The device has the characteristics of simple structure, small volume, high speed, high acceleration response speed and the like. The principle of operation is that an energized coil, when placed in a magnetic field, produces a force whose magnitude is proportional to the current applied to the coil. The voice coil motor is a simple electromagnetic device without direction conversion and has high reliability. The problems of durable wear, motion noise and the like of the conventional optical zoom lens are solved, the market demand is better met, and the experience of a user is improved.
In order to realize the adjustment of the zoom apparatus, in the present invention, the telescopic zoom lens 100 further comprises a telescopic driving assembly, wherein the telescopic driving assembly comprises a driving barrel 51, a driving barrel 51: the driving cylinder 51 is rotatably mounted in the mounting channel 11 along the depth direction of the mounting channel 11, and is sleeved on the outer surface of the first zoom lens cone 211, and a driving inclined groove is formed in the side wall of the driving cylinder 51; one end of the driving column 52 is arranged on the outer surface of the mounting seat 22, and the other end of the driving column is slidably mounted in the driving chute; the driving cylinder 51 rotates to drive the first zoom lens barrel 211 to move along the depth direction of the installation channel 11. The driving cylinder 51 and the driving column 52 are matched in a way similar to cam groove driving, and lifting and descending are realized through the reciprocating motion of the driving cylinder 51, and the motion is smooth.
Further, in order to realize the reciprocating rotation of the driving cylinder 51, the telescopic driving assembly further comprises a driving motor 53 and a gear set, wherein the driving motor 53 is provided with a driving shaft extending along the depth direction of the mounting channel 11; the gear set comprises a first gear and a second gear which are meshed with each other, the first gear is arranged on the driving shaft, and the second gear is arranged on the driving barrel 51. The first zoom lens barrel 211 can be adjusted in the extension and contraction speed by adjusting the rotation speed of the driving motor 53 by driving the gear to rotate by the motor.
When needing to be explained, the transmission mode can also be through the lead screw, and the detailed explanation is not provided here.
In another embodiment, referring to fig. 5, the zoom apparatus includes an elastic member structure 4, the elastic member structure 4 includes a plurality of sleeve members 42 correspondingly sleeved on outer surfaces of the plurality of driving posts 52, and outer surfaces of the plurality of sleeve members 42 abut against inner wall surfaces of the corresponding driving chutes. When the driving columns 52 are in sliding fit with the driving cylinders, the sleeve member 42 moves along with the driving columns, when the first zooming assembly 21 is knocked by the outside, the first zooming assembly 21 and the mounting base 22 both move towards the direction of the image side end 11b, at this time, the driving columns 52 apply a force towards the direction of the image side end 11b relative to the driving chute, at this time, the sleeve member 42 is squeezed, so that the relative position of the first zooming lens barrel 211 relative to the focusing lens barrel is slightly changed, at this time, a shot picture is clear and blurred, and after detecting the picture change, corresponding control elements inside the mobile phone automatically control the first zooming assembly 21 and the focusing assembly 3 to restore to the initial positions, namely retract to be consistent with the thickness of the mobile phone, so as to play a role in protection.
The sleeve part 42 is columnar, faces the outer surface of the side end of the driving cylinder 51 in the center direction and is convexly provided with an annular bulge, the annular bulge is hollowed out, and two ends of the annular bulge are respectively abutted to the side surface of the mounting seat 22 and the outer surface of the driving cylinder 51 and used for placing the sleeve part 42 in the using process.
In order to ensure that the mounting seat 22 drives the first zoom lens 212 to move linearly all the time along the depth direction of the mounting channel 11 without deflection, in this embodiment, the telescopic driving assembly further includes a fixed cylinder 54 located in the mounting channel 11, the fixed cylinder 54 is located between the driving cylinder 51 and the first zoom lens barrel 211, a guide hole extending along the depth direction of the mounting channel 11 is formed in the outer surface of the fixed cylinder 54, and the guide hole is used for the driving column 52 to penetrate through so as to limit the rotation of the guide column. Therefore, the guide hole limits the movement stroke and the movement path, and the structure is simple and convenient to install.
Further, the zoom apparatus further includes a second zoom assembly 23, where the second zoom assembly 23 is located in the mounting channel 11, and the second zoom assembly 23 includes a second zoom lens barrel and a second zoom lens disposed in the second zoom lens barrel; the second zoom assembly 23 is located in the mounting channel 11, and the third zoom assembly 24 includes a third zoom lens barrel and a third zoom lens disposed in the third zoom lens barrel; the first zoom assembly 21, the mounting seat 22, the second zoom assembly 23, the focusing assembly 3, and the third zoom assembly 24 are sequentially disposed from the object side end 11a to the image side end 11b, and the first zoom assembly 21, the second zoom lens barrel, the focusing lens barrel, and the third zoom lens barrel are adjustably disposed along the depth direction of the mounting channel 11. Due to the linkage mode of the multiple zooming components, the telescopic zoom lens 100 is high in focusing speed, large in light transmission amount and more prominent in imaging effect, and the experience of a user is improved.
In the present invention, the first zoom assembly 21, the second zoom assembly 23, and the third zoom assembly 24 can be adjusted by transmission in a manner that the driving cylinder 51 is matched with the driving post 52, and the driving cylinder 51 is provided with three sets of driving chutes with different extending tracks, so as to effectively reduce the number of driving elements, reduce the size of the module, reduce the difficulty and requirements of controlling a plurality of moving units of the zoom lens group, and achieve the cooperative linkage of the plurality of moving units.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A retractable zoom lens, comprising:
the device comprises a shell, a first fixing device and a second fixing device, wherein an installation channel is formed in the shell, one end of the installation channel is an object side end, and the other end of the installation channel is an image side end;
the zoom device is positioned in the mounting channel and comprises a first zoom component and a mounting seat which are sequentially arranged close to the object side end, the first zoom component is elastically mounted on the mounting seat along the depth direction of the mounting channel, and the first zoom component comprises a first zoom lens barrel and a first zoom lens arranged in the first zoom lens barrel; and the number of the first and second groups,
the focusing assembly comprises a focusing lens barrel and a focusing lens arranged in the focusing lens barrel, and the focusing lens barrel and the first zoom lens barrel are arranged in an adjustable mode along the depth direction of the mounting channel and used for adjusting the shooting focal length of the lens.
2. The retractable zoom lens of claim 1, wherein the zoom apparatus comprises an elastic member structure between the first zoom lens barrel and the mount for elastically mounting the first zoom lens barrel to the mount.
3. The telescopic zoom lens according to claim 2, wherein an end surface of the mount near the image side end is provided with a mounting hole, and the first zoom lens barrel is provided with a first groove corresponding to the mounting hole;
a guide rod is further arranged between the mounting seat and the first zoom lens barrel, the guide rod extends along the depth direction of the mounting channel, and the guide rod penetrates through the mounting hole and extends into the first groove.
4. The telescopic zoom lens of claim 3, wherein the elastic member structure comprises an annular elastic sheet, and an end surface of the annular elastic sheet, which is close to the image side end, is provided with a positioning hole;
the guide rod sequentially penetrates through the mounting hole and the positioning hole to be mounted in the first groove.
5. The retractable zoom lens of claim 1, wherein the focusing assembly further comprises a voice coil motor, the voice coil motor is located between the focusing lens barrel and the housing, and a driving end of the voice coil motor is in driving connection with the focusing lens barrel for driving the focusing lens barrel to move in the depth direction of the mounting channel.
6. The retractable zoom lens of claim 1, further comprising a retractable drive assembly, the retractable drive assembly comprising:
the driving cylinder is rotatably installed in the installation channel along the depth direction of the installation channel and sleeved on the outer surface of the first zoom lens cone, and a driving chute is arranged on the side wall of the driving cylinder; and the number of the first and second groups,
one end of the driving column is arranged on the outer surface of the mounting seat, and the other end of the driving column is slidably mounted in the driving chute;
the driving cylinder rotates to drive the first zoom lens barrel to move along the depth direction of the mounting channel.
7. The retractable zoom lens of claim 6, wherein the retractable drive assembly further comprises:
a driving motor having a driving shaft extending in a depth direction of the installation passage; and the number of the first and second groups,
and the gear set comprises a first gear and a second gear which are meshed with each other, the first gear is arranged on the driving shaft, and the second gear is arranged on the driving barrel.
8. The telescopic zoom lens system as claimed in claim 6, wherein the zoom apparatus includes an elastic member structure, the elastic member structure includes a plurality of sleeve members correspondingly fitted over outer surfaces of the plurality of driving cylinders, and outer surfaces of the plurality of sleeve members abut against inner wall surfaces of the corresponding driving chutes.
9. The retractable zoom lens of claim 6, wherein the retractable driving assembly further comprises a fixed cylinder located in the mounting channel, the fixed cylinder is located between the driving cylinder and the first zoom lens barrel, and the outer surface of the fixed cylinder is provided with a guide hole extending along the depth direction of the mounting channel, and the guide hole is used for the driving column to pass through so as to limit the rotation of the guide column.
10. The telescopic zoom lens of claim 1, wherein the zoom apparatus further comprises:
the second zooming component is positioned in the mounting channel and comprises a second zooming lens barrel and a second zooming lens arranged in the second zooming lens barrel; and the number of the first and second groups,
a third zoom assembly positioned in the mounting channel, the third zoom assembly including a third zoom lens barrel and a third zoom lens disposed in the third zoom lens barrel;
the first zoom component, the mounting seat, the second zoom component, the focusing component and the third zoom component are sequentially arranged from the object side end to the image side end, and the first zoom component, the second zoom lens barrel, the focusing lens barrel and the third zoom lens barrel are arranged in an adjustable mode along the depth direction of the mounting channel.
CN202011384982.0A 2020-11-30 2020-11-30 Telescopic zoom lens Pending CN112468628A (en)

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CN202011384982.0A CN112468628A (en) 2020-11-30 2020-11-30 Telescopic zoom lens

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Application Number Priority Date Filing Date Title
CN202011384982.0A CN112468628A (en) 2020-11-30 2020-11-30 Telescopic zoom lens

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CN112468628A true CN112468628A (en) 2021-03-09

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113114880A (en) * 2021-03-19 2021-07-13 维沃移动通信有限公司 Camera module and electronic equipment
CN113448139A (en) * 2021-07-02 2021-09-28 中山联合光电研究院有限公司 Telescopic zoom lens
CN113467157A (en) * 2021-07-02 2021-10-01 中山联合光电研究院有限公司 Telescopic zoom lens
CN113485056A (en) * 2021-07-02 2021-10-08 中山联合光电研究院有限公司 Retractable zoom lens capable of being pressed and retracted
CN113640936A (en) * 2021-08-09 2021-11-12 中山联合光电研究院有限公司 Telescopic lens device and mobile phone

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113114880A (en) * 2021-03-19 2021-07-13 维沃移动通信有限公司 Camera module and electronic equipment
CN113114880B (en) * 2021-03-19 2022-12-27 维沃移动通信有限公司 Camera module and electronic equipment
CN113448139A (en) * 2021-07-02 2021-09-28 中山联合光电研究院有限公司 Telescopic zoom lens
CN113467157A (en) * 2021-07-02 2021-10-01 中山联合光电研究院有限公司 Telescopic zoom lens
CN113485056A (en) * 2021-07-02 2021-10-08 中山联合光电研究院有限公司 Retractable zoom lens capable of being pressed and retracted
CN113485056B (en) * 2021-07-02 2023-08-25 中山联合光电研究院有限公司 Retractable zoom lens capable of being pressed and retracted
CN113640936A (en) * 2021-08-09 2021-11-12 中山联合光电研究院有限公司 Telescopic lens device and mobile phone

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