CN113608317A - Zoom lens and mobile terminal - Google Patents
Zoom lens and mobile terminal Download PDFInfo
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- CN113608317A CN113608317A CN202110911309.6A CN202110911309A CN113608317A CN 113608317 A CN113608317 A CN 113608317A CN 202110911309 A CN202110911309 A CN 202110911309A CN 113608317 A CN113608317 A CN 113608317A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 20
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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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
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
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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
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B30/00—Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles
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- Optics & Photonics (AREA)
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Abstract
The invention provides a zoom lens and a mobile terminal, wherein the zoom lens comprises a base, a first focusing assembly, a second focusing assembly and an elastic piece, wherein the first focusing assembly and the second focusing assembly are arranged on the base, are sequentially arranged along a light transmission direction and have relative moving strokes along the light transmission direction; the telescopic direction of the elastic piece extends along the light transmission direction, one end of the elastic piece is connected with the first focusing assembly, and the other end of the elastic piece is connected with the second focusing assembly so as to provide a driving force for the first focusing assembly and the second focusing assembly to relatively approach or separate; one of the first focusing assembly or the second focusing assembly is provided with a plurality of guide columns, the guide columns are arranged at intervals along the circumferential direction of the first focusing assembly or the second focusing assembly, the elastic parts are arranged in a plurality, and each elastic part is correspondingly sleeved on each guide column. The scheme ensures that the volume of the lens is not changed, and simultaneously, the focusing range of the lens is enlarged, so that the stacking height is met, and the optical performance is improved.
Description
Technical Field
The invention relates to the technical field of optical lenses, in particular to a zoom lens and a mobile terminal.
Background
Mobile phones sold in the market at present are equipped with a plurality of optical photographing modules, an optical system of a traditional mobile phone photographing module is designed into a fixed-focus form, and then a zoom module with a movable lens group is developed in sequence, however, lenses of a focusing group in the existing mobile phone lens are relatively fixed, and the optical performance is limited by the stacking height.
Disclosure of Invention
The present invention provides a zoom lens and a mobile terminal, and aims to solve the technical problem that the lenses of a focusing group are relatively fixed and the optical performance is limited by the stacking height in the prior art.
To achieve the above object, the present invention provides a zoom lens including:
a base;
the first focusing assembly and the second focusing assembly are arranged on the base, are sequentially arranged along a light transmission direction and have relative moving strokes along the light transmission direction; and the number of the first and second groups,
the elastic piece extends along the light transmission direction in the telescopic direction, one end of the elastic piece is connected to the first focusing assembly, and the other end of the elastic piece is connected to the second focusing assembly so as to provide a driving force for the first focusing assembly and the second focusing assembly to relatively approach or separate;
one of the first focusing assembly or the second focusing assembly is provided with a plurality of guide columns, the guide columns are arranged at intervals along the circumferential direction of the first focusing assembly or the second focusing assembly, the elastic parts are arranged in a plurality, and each elastic part is correspondingly sleeved on each guide column.
Optionally, the first focus assembly has a first working position relatively close to the second focus assembly and a second working position relatively far away from the second focus assembly, and the elastic member is in a compressed state when the first focus assembly is in the first working position;
the zoom lens further comprises a holding mechanism arranged on the base, wherein the holding mechanism comprises a driving part and a holding part, and the holding part is used for pressing the first focus assembly so as to enable the first focus assembly to be held at the first working position;
the driving part is used for driving the holding part to be close to or far away from the second focusing assembly, and in the moving stroke of the holding part far away from the second focusing assembly, the first focusing assembly moves to the second working position under the driving of the elastic piece.
Optionally, the holding portion includes a zoom lens barrel, the driving portion drives the zoom lens barrel to move along the light transmission direction, an installation channel is formed along the light transmission direction by the zoom lens barrel, the first focusing assembly and the second focusing assembly are disposed in the installation channel, one end of the installation channel, which is far away from the base, is bent towards the inner side to form an installation portion, and the installation portion is used for pressing against the first focusing assembly.
Optionally, a pressing portion is convexly arranged on one side of the mounting portion, which faces the base, the pressing portion and the mounting portion together enclose a mounting opening, and a zoom lens is arranged at the mounting opening;
the first focusing assembly comprises a first focusing lens barrel, a first focusing lens is arranged in the first focusing lens barrel corresponding to the zoom lens, and the pressing part presses against one end, far away from the second focusing assembly, of the first focusing lens barrel.
Optionally, the periphery of the first focusing lens barrel is provided with a plurality of first lens barrel extension portions protruding outward in the radial direction, the plurality of first lens barrel extension portions are arranged at intervals along the circumferential direction of the first focusing lens barrel, each first lens barrel extension portion protrudes toward the second focusing assembly to form each guide post, and one end of each elastic member is connected to the corresponding first lens barrel extension portion.
Optionally, the second focusing assembly includes a second focusing lens barrel and a second lens barrel extension portion, a second focusing lens is disposed in the second focusing lens barrel corresponding to the first focusing lens, the second lens barrel extension portion is annularly disposed on the periphery of the second focusing lens barrel, and one end of each elastic member, which is far away from the first lens barrel extension portion, is connected to the second lens barrel extension portion.
Optionally, a guide hole is arranged through each guide column along the light transmission direction;
the second lens cone extension part is convexly provided with a plurality of guide rods towards the guide columns, the guide rods and the guide holes are arranged in a one-to-one correspondence mode, and the guide rods are inserted into the corresponding guide holes.
Optionally, a plurality of guide grooves are concavely formed in one side of the second lens barrel extension portion, which faces the first focusing lens barrel, the plurality of guide grooves are arranged at intervals along the circumferential direction of the second focusing lens barrel and correspond to the plurality of guide posts, when the first focusing assembly is at the first working position, each guide post is inserted into the corresponding guide groove, and one end of each elastic member, which is far away from the first lens barrel extension portion, is connected to the bottom of the corresponding guide groove.
Optionally, the second focusing assembly further includes a stopping portion, and the stopping portion and the second barrel extension portion are arranged at an interval along the light transmission direction;
one end of the first focusing lens barrel, which is close to the second focusing lens barrel, is provided with a stop matching part in a radially outward protruding manner, the stop matching part is positioned between the second lens barrel extension part and the stop part, and when the first focusing assembly is at the second working position, the stop part is matched with the stop matching part so as to limit the first focusing lens barrel to move in a direction away from the second focusing lens barrel.
In addition, the invention also provides a mobile terminal which comprises the zoom lens.
In the zoom lens provided by the invention, a first focusing assembly and a second focusing assembly are connected through an elastic member, the telescopic direction of the elastic member extends along the light transmission direction to provide a driving force for relatively approaching or separating the first focusing assembly and the second focusing assembly, wherein one of the first focusing assembly or the second focusing assembly is provided with a plurality of guide columns, the guide columns are arranged at intervals along the circumferential direction of the first focusing assembly or the second focusing assembly, the elastic member is provided with a plurality of guide columns, and each elastic member is correspondingly sleeved on each guide column. The first focusing assembly is driven by the elastic piece to have a moving stroke close to and far away from the second focusing assembly, so that the size of the lens is not changed, the focusing range of the zoom lens is enlarged, the stacking height can be met, and the optical performance can be improved.
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 structural diagram of a zoom lens according to an embodiment of the present invention in a first operating position;
FIG. 2 is a schematic structural diagram of the zoom lens of FIG. 1 in a second operating position;
FIG. 3 is a schematic structural diagram of a zoom lens according to another embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
123 | |
| 1 | |
124 | |
| 11 | First focusing |
125 | |
| 111 | First focusing |
2 | |
| 112 | First lens |
3 | |
| 113 | Stop matching part | 4 | |
| 12 | |
41 | |
| 121 | Second focusing |
42 | |
| 122 | Second lens cone extension part |
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 a traditional mobile phone photographing module is designed into a fixed-focus form, and then a zoom module with a movable lens group is developed in sequence, however, lenses of a focusing group in the existing mobile phone lens are relatively fixed, and the optical performance is limited by the stacking height.
In view of this, the present invention provides a zoom lens and a mobile terminal to solve the problem in the prior art that the lenses of the focal group are relatively fixed and the optical performance is limited by the stacking height. Fig. 1 to fig. 3 are embodiments of a zoom lens and a mobile terminal provided in the present invention.
Referring to fig. 1 and 2, a zoom lens 100 according to the present invention includes a base 1, a first focus assembly 11, a second focus assembly 12, and an elastic member 2, wherein the first focus assembly 11 and the second focus assembly 12 are disposed on the base 1, the first focus assembly 11 and the second focus assembly 12 are sequentially disposed along a light transmission direction, and have a relative movement stroke along the light transmission direction; the elastic part 2 extends along the light transmission direction, and has one end connected to the first focusing assembly 11 and the other end connected to the second focusing assembly 12, so as to provide a driving force for the first focusing assembly 11 and the second focusing assembly 12 to approach or move away from each other; one of the first focusing assembly 11 or the second focusing assembly 12 is provided with a plurality of guide posts 3, the plurality of guide posts 3 are arranged at intervals along the circumferential direction of the first focusing assembly 11 or the second focusing assembly 12, the plurality of elastic members 2 are provided, and each elastic member 2 is correspondingly sleeved on each guide post 3.
According to the scheme, the first focusing assembly 11 is driven by the elastic piece 2 to have a moving stroke close to and far away from the second focusing assembly 12, so that the focusing range of the zoom lens 100 is enlarged while the lens volume is ensured to be certain, the stacking height can be met, and the optical performance can be improved. In addition, each elastic member 2 is sleeved on the corresponding guide post 3, so that the elastic member 2 does not deviate from the optical axis in the moving process of the first focusing assembly 11, and further the first focusing assembly 11 is prevented from deviating from the optical axis when moving along the light transmission direction, thereby improving the focusing precision and ensuring the optical performance. The elastic parts 2 are provided with a plurality of elastic parts 2 so as to ensure that the first focusing assembly 11 can quickly move and respond, and the elastic parts 2 still have certain driving force after being used for a long time, so that the service life is prolonged; in addition, the elastic pieces are distributed at intervals, so that the stress is more uniform. It is understood that the material of the elastic element 2 is not limited, and in the present embodiment, the elastic element 2 is a spring. In addition, the second focusing assembly 12 is also movable in the light transmission direction by a driving motor.
Focusing, also called focusing and focusing, refers to a process of adjusting the object distance and the distance position by a lens focusing mechanism to make the imaged object clear. According to the scheme, the first focusing assembly 11 and the second focusing assembly 12 are movably arranged relatively, so that the focusing adjustment range is expanded, clear imaging can be formed on a negative film conveniently, and the optical performance is improved.
In addition, the first focusing assembly 11 and the second focusing assembly 12 respectively include at least one focusing lens group and a focusing lens barrel for fixing the focusing lens group, wherein the number of lenses of the focusing lens group is not limited; the focusing lens barrels of the first focusing assembly 11 and the second focusing assembly 12 are sequentially arranged along the light transmission direction, in this embodiment, each focusing lens barrel is arranged in a column shape, a through hole is arranged along the light transmission direction in a penetrating manner, and the focusing lens groups are arranged in the corresponding through holes.
Further, referring to fig. 3, the first focusing assembly 11 has a first working position relatively close to the second focusing assembly 12 and a second working position relatively far from the second focusing assembly 12, and the elastic member 2 is in a compressed state when the first focusing assembly 11 is in the first working position; the zoom lens 100 further comprises a holding mechanism disposed on the base 1, wherein the holding mechanism comprises a driving portion and a holding portion, and the holding portion is used for pressing against the first focusing assembly 11 so as to keep the first focusing assembly 11 at the first working position; the driving part is used for driving the holding part to approach or separate from the second focusing assembly 12, and in the moving stroke of the holding part separating from the second focusing assembly 12, the first focusing assembly 11 is driven by the elastic part 2 to move to the second working position.
In this embodiment, the holding portion presses against the first focusing assembly 11, so that the first focusing assembly 11 is held at the first working position, and at this time, the elastic member 2 is in a compressed state, and when the holding portion moves in a direction away from the second focusing assembly 12, the elastic member 2 drives the first focusing assembly 11 to move in a direction away from the second focusing assembly 12, so that the first focusing assembly 11 is in the second working position.
Furthermore, the holding portion includes a zoom lens barrel 4, the driving portion drives the zoom lens barrel 4 to move along the light transmission direction, an installation channel is formed along the light transmission direction on the zoom lens barrel 4, the first focusing assembly 11 and the second focusing assembly 12 are disposed on the installation channel, one end of the installation channel, which is far away from the base 1, is bent inward to form an installation portion 41, and the installation portion 41 is used for pressing against the first focusing assembly 11. The first focusing assembly 11 and the second focusing assembly 12 are arranged in the installation channel, so that the first focusing assembly 11 and the second focusing assembly 12 are protected on one hand, and the service life of the lens is prolonged; on the other hand, the mounting channel can also guide the first focusing assembly 11 and the second focusing assembly 12, so as to ensure that the optical axes of the first focusing assembly 11 and the second focusing assembly 12 can be located on the same axis, thereby improving the focusing accuracy.
It should be noted that the form of the driving part driving the zoom lens barrel 4 to move is not limited, and the driving part may directly drive the zoom lens barrel 4 to move along the light transmission direction by a driving motor, or may be in other forms. In this embodiment, the zoom lens 100 further includes a housing, the housing has a mounting through hole, an inclined groove is formed in an inner wall of the mounting through hole, a driving column is protruded from an outer periphery of the zoom lens barrel 4, the zoom lens barrel 4 is disposed in the housing, the driving column corresponds to the inclined groove, and the housing is driven to rotate, so that the zoom lens barrel 4 moves along the light transmission direction.
Specifically, a pressing portion 42 is convexly arranged on one side of the mounting portion 41 facing the base 1, the pressing portion 42 and the mounting portion 41 together enclose a mounting opening, and a zoom lens is arranged at the mounting opening; the first focusing assembly 11 includes a first focusing barrel 111, a first focusing lens is disposed in the first focusing barrel 111 corresponding to the zoom lens, and the pressing portion 42 presses an end of the first focusing barrel 111 away from the second focusing assembly 12. The pressing part 42 and the mounting part 41 are arranged together to form the mounting opening so as to increase the mounting space of the zoom lens, so that the number and the size of the zoom lens have more possibility; in addition, by pressing the pressing portion 42 against the first focusing assembly 11, the wear of the zoom lens during the pressing process can be avoided. In this embodiment, the pressing portion 42 is protruded along the circumferential direction of the mounting portion 41.
Specifically, the outer periphery of the first focusing barrel 111 is provided with a plurality of first barrel extension portions 112 protruding outward in the radial direction, the plurality of first barrel extension portions 112 are arranged at intervals along the circumferential direction of the first focusing barrel 111, each first barrel extension portion 112 protrudes toward the second focusing assembly 12 to form each guide post 3, and one end of each elastic member 2 is connected to the corresponding first barrel extension portion 112. The arrangement of the plurality of guide posts 3 is realized by arranging the first barrel extension 112 on the outer periphery of the first focusing barrel 111. The first barrel extension parts 112 are spaced to save space, and reserve space for other structures to reduce the volume of the lens. The number of the first barrel extending portions 112 is not limited, in this embodiment, two first barrel extending portions 112 are provided, two first barrel extending portions 112 are oppositely provided at the periphery of the first focusing barrel 111, and two guide posts 3 and two elastic members 2 are correspondingly provided.
Specifically, the second focusing assembly 12 includes a second focusing barrel 121 and a second barrel extension 122, a second focusing lens is disposed in the second focusing barrel 121 corresponding to the first focusing lens, the second barrel extension 122 is disposed around the second focusing barrel 121, and one end of each elastic member 2 away from the first barrel extension 112 is connected to the second barrel extension 122. It can be understood that the arrangement of the first barrel extension 112 and the second barrel extension 122 increases the installation space of the elastic member 2.
Specifically, in order to further ensure that the optical axis of the first focusing lens and the optical axis of the second focusing lens are on the same axis when the first focusing assembly 11 moves, in this embodiment, each guide post 3 is provided with a guide hole through along the light transmission direction; the second barrel extension part 122 is provided with a plurality of guide rods 123 protruding toward the plurality of guide posts 3, the plurality of guide rods 123 are arranged in one-to-one correspondence with the plurality of guide holes, and each guide rod 123 is inserted into the corresponding guide hole. Through the matching of the guide rod 123 and the guide hole, the optical axes of the first focusing lens and the second focusing lens are always on the same axis. The number of the guide rods 123 is not limited, and in this embodiment, two guide rods 123 are provided corresponding to the guide posts 3. When the first focusing assembly 11 is at the second working position, the elastic member 2 is sequentially sleeved on the guide post 3 and the guide rod 123 along the light transmission direction; further, the guide rod 123 is formed to protrude from the groove bottom of the guide groove 124 toward the first barrel extending portion 112.
Further, a plurality of guide grooves 124 are concavely provided on one side of the second barrel extension 122 facing the first focusing barrel 111, the plurality of guide grooves 124 are arranged at intervals along the circumferential direction of the second focusing barrel 121 and correspond to the plurality of guide posts 3, when the first focusing assembly 11 is at the first working position, each guide post 3 is inserted into the corresponding guide groove 124, and one end of each elastic member 2 away from the first barrel extension 112 is connected to the bottom of the corresponding guide groove 124. In this way, in the first working position, the guide post 3 is inserted into the guide groove 124, so that the zoom lens 100 has a more compact structure and a smaller lens volume; meanwhile, when the first focusing assembly 11 is in the second working position, the guide post 3 and the end of the elastic member 2 close to the second barrel extension 122 are arranged at an interval, so that the end of the elastic member 2 close to the second barrel extension loses guide support, and the guide groove 124 makes up for this defect, so that the side wall of the guide groove 124 guides the elastic member 2 when the first focusing assembly 11 is in the second working position.
Further, in order to prevent the first focusing barrel 111 from moving in a direction away from the second focusing barrel 121 under the driving force of the elastic member 2 after the zoom lens barrel 4 is disengaged from the first focusing barrel 111, the first focusing barrel 111 collides with the zoom lens barrel 4 under the driving force, and the lens is damaged. In this embodiment, the second focusing assembly 12 further includes a stop portion 125, and the stop portion 125 and the second barrel extension portion 122 are disposed at an interval along the light transmission direction; one end of the first focusing barrel 111 close to the second focusing barrel 121 is provided with a stop matching portion 113 protruding outward in a radial direction, the stop matching portion 113 is located between the second barrel extension portion 122 and the stop portion 125, and when the first focusing assembly 11 is at the second working position, the stop portion 125 matches with the stop matching portion 113 to limit the first focusing barrel 111 from moving in a direction away from the second focusing barrel 121. Therefore, through the limit fit between the stop part 125 and the stop fitting part 113, after the zoom lens barrel 4 is separated from the first focusing lens barrel 111, the guide post 3 is prevented from being separated from the elastic member 2, and the first focusing lens barrel 111 is prevented from colliding with the zoom lens barrel 4 under the action of the driving force to damage the lens.
In addition, in order to achieve the above object, the present invention further provides a mobile terminal, which may be a mobile phone or an iPad, and is not limited herein, where the mobile terminal includes the zoom lens 100 according to the above technical solution. It should be noted that, for the detailed structure of the zoom lens 100 of the mobile terminal, reference may be made to the above embodiment of the zoom lens 100, and details are not repeated herein; since the zoom lens 100 is used in the mobile terminal of the present invention, the embodiment of the mobile terminal of the present invention includes all technical solutions of all embodiments of the zoom lens 100, and the achieved technical effects are completely the same, which are not described herein again.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A zoom lens, comprising:
a base;
the first focusing assembly and the second focusing assembly are arranged on the base, are sequentially arranged along a light transmission direction and have relative moving strokes along the light transmission direction; and the number of the first and second groups,
the elastic piece extends along the light transmission direction in the telescopic direction, one end of the elastic piece is connected to the first focusing assembly, and the other end of the elastic piece is connected to the second focusing assembly so as to provide a driving force for the first focusing assembly and the second focusing assembly to relatively approach or separate;
one of the first focusing assembly or the second focusing assembly is provided with a plurality of guide columns, the guide columns are arranged at intervals along the circumferential direction of the first focusing assembly or the second focusing assembly, the elastic parts are arranged in a plurality, and each elastic part is correspondingly sleeved on each guide column.
2. The zoom lens of claim 1, wherein the first focus assembly has a first working position relatively close to the second focus assembly and a second working position relatively far from the second focus assembly, the elastic member being in a compressed state when the first focus assembly is in the first working position;
the zoom lens further comprises a holding mechanism arranged on the base, wherein the holding mechanism comprises a driving part and a holding part, and the holding part is used for pressing the first focus assembly so as to enable the first focus assembly to be held at the first working position;
the driving part is used for driving the holding part to be close to or far away from the second focusing assembly, and in the moving stroke of the holding part far away from the second focusing assembly, the first focusing assembly moves to the second working position under the driving of the elastic piece.
3. The zoom lens according to claim 2, wherein the holding portion includes a zoom lens barrel, the driving portion drives the zoom lens barrel to move along the light transmission direction, the zoom lens barrel is formed with an installation channel along the light transmission direction, the first focusing assembly and the second focusing assembly are disposed in the installation channel, one end of the installation channel, which is far away from the base, is bent inward to form an installation portion, and the installation portion is used for pressing against the first focusing assembly.
4. The zoom lens according to claim 3, wherein a pressing portion is convexly provided on a side of the mounting portion facing the base, the pressing portion and the mounting portion together enclose a mounting opening, and a zoom lens is provided at the mounting opening;
the first focusing assembly comprises a first focusing lens barrel, a first focusing lens is arranged in the first focusing lens barrel corresponding to the zoom lens, and the pressing part presses against one end, far away from the second focusing assembly, of the first focusing lens barrel.
5. The zoom lens according to claim 4, wherein a plurality of first barrel extension portions are disposed on an outer circumference of the first focusing barrel and protrude outward in a radial direction, the plurality of first barrel extension portions are disposed at intervals along a circumferential direction of the first focusing barrel, each first barrel extension portion protrudes toward the second focusing assembly to form each guide post, and one end of each elastic member is connected to the corresponding first barrel extension portion.
6. The zoom lens according to claim 5, wherein the second focus assembly includes a second focus lens barrel and a second barrel extension portion, a second focus lens is disposed in the second focus lens barrel corresponding to the first focus lens, the second barrel extension portion is annularly disposed on the periphery of the second focus lens barrel, and one end of each elastic member away from the first barrel extension portion is connected to the second barrel extension portion.
7. The zoom lens according to claim 6, wherein each of the guide posts has a guide hole penetrating along the light transmission direction;
the second lens cone extension part is convexly provided with a plurality of guide rods towards the guide columns, the guide rods and the guide holes are arranged in a one-to-one correspondence mode, and the guide rods are inserted into the corresponding guide holes.
8. The zoom lens according to claim 6, wherein a side of the second barrel extension portion facing the first focusing barrel is recessed with a plurality of guide grooves, the plurality of guide grooves are spaced along a circumferential direction of the second focusing barrel and correspond to the plurality of guide posts, when the first focusing assembly is in the first working position, each of the guide posts is inserted into the corresponding guide groove, and an end of each of the elastic members away from the first barrel extension portion is connected to a groove bottom of the corresponding guide groove.
9. The zoom lens according to any one of claims 6 to 8, wherein the second focusing assembly further comprises a stopper, the stopper and the second barrel extension portion being disposed at an interval along the light transmission direction;
one end of the first focusing lens barrel, which is close to the second focusing lens barrel, is provided with a stop matching part in a radially outward protruding manner, the stop matching part is positioned between the second lens barrel extension part and the stop part, and when the first focusing assembly is at the second working position, the stop part is matched with the stop matching part so as to limit the first focusing lens barrel to move in a direction away from the second focusing lens barrel.
10. A mobile terminal characterized by comprising a zoom lens according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110911309.6A CN113608317A (en) | 2021-08-09 | 2021-08-09 | Zoom lens and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110911309.6A CN113608317A (en) | 2021-08-09 | 2021-08-09 | Zoom lens and mobile terminal |
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| CN113608317A true CN113608317A (en) | 2021-11-05 |
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| CN202110911309.6A Pending CN113608317A (en) | 2021-08-09 | 2021-08-09 | Zoom lens and mobile terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114602A (en) * | 2021-12-07 | 2022-03-01 | 新思考电机有限公司 | Lens driving device and image pickup device |
| CN114137687A (en) * | 2021-12-14 | 2022-03-04 | 新思考电机有限公司 | Lens driving device and image pickup device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114602A (en) * | 2021-12-07 | 2022-03-01 | 新思考电机有限公司 | Lens driving device and image pickup device |
| CN114114602B (en) * | 2021-12-07 | 2024-03-26 | 新思考电机有限公司 | Lens driving device and image pickup device |
| CN114137687A (en) * | 2021-12-14 | 2022-03-04 | 新思考电机有限公司 | Lens driving device and image pickup device |
| CN114137687B (en) * | 2021-12-14 | 2024-03-29 | 新思考电机有限公司 | Lens driving device and image pickup device |
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