CN215499251U - Lens and mobile terminal - Google Patents
Lens and mobile terminal Download PDFInfo
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- CN215499251U CN215499251U CN202121856076.6U CN202121856076U CN215499251U CN 215499251 U CN215499251 U CN 215499251U CN 202121856076 U CN202121856076 U CN 202121856076U CN 215499251 U CN215499251 U CN 215499251U
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Abstract
The utility model discloses a lens and a mobile terminal, wherein the lens is arranged on the mobile terminal and comprises an installation seat, a lens structure and a first piezoelectric mechanism, the lens structure is arranged on the installation seat and comprises a plurality of lens groups, the distance between two lens groups in the lens groups can be adjusted, and the first piezoelectric mechanism is arranged on the lens structure and is used for adjusting the distance. According to the lens and the mobile terminal, the distance between the two lens groups is adjusted through the first piezoelectric mechanism, so that focusing is realized, the optical performance of the lens is improved, meanwhile, the piezoelectric mechanism is driven accurately and has a compact structure, the focusing of the lens is favorably realized accurately, and the requirements of mobile terminals such as mobile phones and the like on the thickness are met.
Description
Technical Field
The utility model relates to the technical field of lenses, in particular to a lens and a mobile terminal.
Background
With the continuous development of scientific technology, the use of mobile terminals is extremely wide, for example, mobile phones have become necessary life tools for human beings. The lens is used as an important part in the mobile phone, and needs to have enough space to realize better imaging, while the existing mobile phone lens is generally installed in the mobile phone and is limited by the increasingly thinner thickness of the mobile phone, and the optical performance of the lens is poor.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a lens and a mobile terminal, and aims to solve the problems that the conventional lens is limited by the thickness of the mobile terminal and has poor optical performance.
In order to achieve the above object, the present invention provides a lens for being disposed on a mobile terminal, the lens comprising:
a mounting seat;
the lens structure is arranged on the mounting seat and comprises a plurality of lens groups, and the distance between two of the lens groups can be adjusted; and the number of the first and second groups,
the first piezoelectric mechanism is arranged on the lens structure and used for adjusting the distance.
Optionally, the lens structure further comprises a chassis;
the two lens groups comprise a first lens group and a second lens group, the first lens group is fixedly arranged on the base, and the second lens group can be movably arranged on the base along the telescopic direction close to or far away from the first lens group;
the first piezoelectric mechanism is in driving connection with the second lens group and used for driving the second lens group to move.
Optionally, the lens structure further comprises a first guide shaft extending along the telescopic direction;
one end of the first guide shaft is fixedly connected with the base, and the other end of the first guide shaft is fixedly connected with the first lens group;
the second lens group is located between the first lens group and the base, a first sliding block is arranged on the second lens group, and the first sliding block is in sliding fit with the first guide shaft, so that the second lens group can be slidably mounted on the first guide shaft along the telescopic direction.
Optionally, a plurality of first guide shafts are arranged, and the plurality of first guide shafts are arranged at intervals along the circumferential direction of the base;
a plurality of matching holes are formed in the first sliding block, and a plurality of first guide shafts are in one-to-one penetrating correspondence with the matching holes.
Optionally, the first piezoelectric mechanism comprises:
the piezoelectric ceramic base is arranged on the base;
the piezoelectric carbon rod is arranged on the piezoelectric ceramic base and extends along the telescopic direction; and the number of the first and second groups,
the movable seat can be movably arranged on the piezoelectric carbon rod along the telescopic direction and is connected with the second lens group;
the piezoelectric ceramic base can drive the movable base to move when the voltage is applied, so that the second lens group is driven to move.
Optionally, a cavity is formed on the mounting seat, one end of the cavity in the length direction of the cavity is open, the lens structure is arranged in the cavity and partially protrudes out of the open end of the cavity, and the plurality of lens groups are sequentially arranged along the length direction of the cavity;
the size of the cavity in the length direction can be adjusted.
Optionally, the mounting seat includes a plurality of housing units sequentially nested along a length direction of the cavity, and one of any two adjacent housing units may be movably disposed in a direction close to or far from the other housing unit, so that a size of the cavity in the length direction thereof is adjustable;
the lens further comprises a plurality of second piezoelectric mechanisms, one second piezoelectric mechanism is correspondingly arranged on each two adjacent shell units, and the second piezoelectric mechanism is in driving connection with one of the two corresponding shell units and used for driving the one of the two shell units to move.
Optionally, an installation cavity is formed in the housing unit, a plurality of second guide shafts are arranged in the installation cavity at intervals along the circumferential direction of the installation cavity, each second guide shaft extends along the length direction of the accommodating cavity, and the adjacent housing units can be slidably installed on the plurality of second guide shafts along the length direction of the accommodating cavity.
The present invention also provides a mobile terminal including a lens, the lens including:
a mounting seat;
the lens structure is arranged on the mounting seat and comprises a plurality of lens groups, and the distance between two of the lens groups can be adjusted; and the number of the first and second groups,
the first piezoelectric mechanism is arranged on the lens structure and used for adjusting the distance.
Optionally, the mobile terminal is a mobile phone or a tablet.
According to the technical scheme, the distance between the two lens groups is adjusted through the first piezoelectric mechanism, so that focusing is achieved, the optical performance of the lens is improved, meanwhile, the piezoelectric mechanism is driven accurately and compact in structure, the focusing of the lens is facilitated to be achieved accurately, and the requirements of mobile terminals such as mobile phones on thickness are met.
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 one embodiment of a lens barrel (retracted state) according to the present invention;
FIG. 2 is a schematic cross-sectional view of an angle of the lens of FIG. 1 (in an extended state);
fig. 3 is a schematic cross-sectional view of the lens barrel of fig. 1 at another angle (in an extended state).
The reference numbers illustrate:
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 indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are 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, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. 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.
The existing mobile phone lens generally comprises a plurality of lenses, the lenses are all fixedly installed in the mobile phone, the distance between the lenses cannot be changed, focusing cannot be realized by adjusting the lenses, and the existing mobile phone lens is limited by the increasingly thinner thickness of the mobile phone, so that the optical performance of the lens is inevitably poor.
In view of the above, the present invention provides a lens barrel, and fig. 1 to 3 show an embodiment of the lens barrel according to the present invention.
Referring to fig. 1 and fig. 2, a lens 100 is configured to be disposed on a mobile terminal, the lens 100 includes a mounting base 1, a lens structure 2 and a first piezoelectric mechanism 3, the lens structure 2 is disposed on the mounting base 1, the lens structure 2 includes a plurality of lens groups, a distance between two of the lens groups is adjustable, and the first piezoelectric mechanism 3 is disposed on the lens structure 2 for adjusting the distance.
In the technical scheme of the utility model, the distance between the two lens groups is adjusted through the first piezoelectric mechanism 3, so that focusing is realized, the optical performance of the lens 100 is improved, meanwhile, the piezoelectric mechanism is driven accurately and has a compact structure, the focusing of the lens 100 is favorably realized accurately, and the requirements of mobile terminals such as mobile phones and the like on the thickness are met.
Further, with reference to fig. 1 and 2, the lens structure 2 further includes a base 21, two lens groups are provided, the two lens groups include a first lens group 22 and a second lens group 23, the first lens group 22 is fixedly mounted on the base 21, the second lens group 23 is movably mounted on the base 21 along a telescopic direction close to or far from the first lens group 22, and the first piezoelectric mechanism 3 is connected to the second lens group 23 in a driving manner, so as to drive the second lens group 23 to move. The first piezoelectric mechanism 3 drives the second lens group 23 to move, and when the first piezoelectric mechanism 3 drives the second lens group 23 to approach the first lens group 22, the distance is reduced; when the first piezoelectric mechanism 3 drives the second lens group 23 away from the first lens group 22, the pitch is increased. The change in the spacing between first lens group 22 and second lens group 23 brings about a change in the focal length of lens 100, thereby achieving focusing of lens 100. Therefore, the change of the distance only needs to drive one of the lens groups to move, and two lens groups do not need to be driven respectively, so that the complexity of control is reduced.
It should be noted that the present invention is not limited to the specific lens group driven by the first piezoelectric mechanism 3, and in another embodiment, the first piezoelectric mechanism 3 can only drive the second lens group 23 to move, so as to achieve the focusing effect of the lens 100.
Further, with reference to fig. 1 and fig. 2, the lens structure 2 further includes a first guide shaft 24 extending along the telescopic direction, one end of the first guide shaft 24 is fixedly connected to the base 21, the other end of the first guide shaft is fixedly connected to the first lens group 22, the second lens group 23 is located between the first lens group 22 and the base 21, the second lens group 23 is provided with a first slider 231, and the first slider 231 is in sliding fit with the first guide shaft 24, so that the second lens group 23 can be slidably mounted on the first guide shaft 24 along the telescopic direction. Through the setting of first guide shaft 24 for second lens group 23 is all the time along the activity of first guide shaft 24, and first guide shaft 24 can be for second lens group 23 direction, prevents that second lens group 23 from taking place unnecessary circumference drunkenness simultaneously. Through the sliding fit between the first sliding block 231 and the first guide shaft 24, the movement of the second lens group 23 along the telescopic direction is smoother.
Furthermore, the first guide shafts 24 are provided in plural, the plural first guide shafts 24 are arranged along the circumferential direction of the base 21 at intervals, the first slider 231 is provided with plural fitting holes 231a, and the plural first guide shafts 24 and the plural fitting holes 231a are in one-to-one correspondence. In this way, each first guide shaft 24 and the fitting hole 231a constitute a sliding fit structure, and the combined action of the plurality of sliding fit structures further improves the guiding effect and the anti-play effect of the first guide shaft 24.
Specifically, referring to fig. 1 and fig. 2, in the present embodiment, two first guide shafts 24 are provided, and the two first guide shafts 24 are disposed at intervals along the circumferential direction of the base 21 and are located at two ends of the base 21 (the base 21 is disc-shaped in fig. 1) in the diameter direction.
In addition, referring to fig. 1 and fig. 3, the first piezoelectric mechanism 3 includes a piezoelectric ceramic base 31, a piezoelectric carbon rod 32, and a movable base 33, the piezoelectric ceramic base 31 is disposed on the base 21, the piezoelectric carbon rod 32 is disposed on the piezoelectric ceramic base 31, the piezoelectric carbon rod 32 extends along the expansion direction, the movable base 33 is movably mounted on the piezoelectric carbon rod 32 along the expansion direction, and the movable base 33 is connected to the second lens group 23, wherein the piezoelectric ceramic base 31 can drive the movable base 33 to move when a voltage is applied, so as to drive the second lens group 23 to move. The first piezoelectric structure 3 has a simple structure, and helps to reduce the assembly complexity of the lens 100.
Please refer to fig. 3, the first piezoelectric mechanism 3 further includes a support 34, the support 34 is disposed on the piezoelectric ceramic base 31, a groove extending along the telescopic direction is disposed on the support 34, and the piezoelectric carbon rod 32 is disposed in the groove. Piezoceramics can drive through piezoelectricity carbon rod 32 and remove seat 33 along the activity of the direction of stretching out and drawing back when circular telegram voltage, through setting up removal seat 33 on piezoelectricity carbon rod 32 and the piezoelectricity carbon rod 32 in the recess, avoids removing the removal of seat 33 and receives the interference.
Moreover, be formed with on mount pad 1 and hold chamber 11, hold the uncovered setting of chamber 11 one end in its length direction, lens structure 2 is located hold chamber 11, and part salient in hold the uncovered end setting of chamber 11, just a plurality of lens group are followed the length direction who holds chamber 11 sets gradually, hold the adjustable setting of the size of chamber 11 on its length direction. Specifically, referring to fig. 1 to 3, in this embodiment, a third guide shaft 12 extending along a length direction of the cavity 11 is further disposed in the cavity 11, a third slider 25 is disposed on the lens structure 2, the third slider 25 is connected to a third piezoelectric mechanism 4, the third guide shaft 12 is in sliding fit with the third slider 25, so that the lens structure 2 is slidably mounted on the third guide shaft 12, and the third piezoelectric mechanism 4 is configured to drive the third slider 25 to slide. When the distance between two lens groups in a plurality of lens groups needs to be adjusted, the length of the accommodating cavity 11 is properly adjusted, the lens structure 2 is driven to slide through the third piezoelectric mechanism 4, and at least the main part (such as the base 21) of the lens structure 2 is ensured to be positioned in the accommodating cavity 11, so that the lens structure 2 is prevented from being separated from the mounting seat 1, and external stray light can be prevented from entering the lens groups to a certain extent to influence the imaging quality of the lens 100. It should be emphasized that the mounting 1 generally has two states when adjusting the length of the receiving cavity 11: in a retraction state (as shown in fig. 1), at this time, the length of the accommodating cavity 11 is matched with the thickness of the mobile terminal, so that the mounting base 1 is prevented from being exposed and damaged accidentally when actually mounted on the mobile terminal, and the lens structure 2 at this time should be completely accommodated in the accommodating cavity 11, so that the lens structure 2 is effectively protected; in the extended state (as shown in fig. 2 and fig. 3), the length of the cavity 11 is much greater than the thickness of the mobile terminal, so as to provide sufficient movement space for adjusting the distance between two of the plurality of lens groups, and achieve the best focusing effect of the lens 100.
Further, referring to fig. 3, the mounting base 1 includes a plurality of housing units sequentially nested along a length direction of the accommodating cavity 11, one of any two adjacent housing units may be movably disposed in a direction close to or far from the other housing unit, so that a size of the accommodating cavity 11 in the length direction thereof is adjustable, the lens 100 further includes a plurality of second piezoelectric mechanisms 5, one second piezoelectric mechanism 5 is correspondingly disposed on two adjacent housing units, and the second piezoelectric mechanism 5 is in driving connection with the one of the two corresponding housing units, so as to drive the one of the two housing units to move. The mounting base 1 is formed by sequentially sleeving a plurality of shell units, is simple in structure and convenient to assemble, and improves the efficiency of mass production.
It should be noted that the number of the housing units is not limited, specifically, referring to fig. 3, two housing units are provided, and include a first housing unit 13 and a second housing unit 14 shown in the drawing, and the second piezoelectric mechanism 5 is connected to the first housing unit 13 in a driving manner, so that the first housing unit 13 moves up and down, and the first housing unit 13 is close to or far away from the second housing unit 14, thereby adjusting the length of the cavity 11.
Furthermore, an installation cavity 141 is formed on the housing unit, a plurality of second guide shafts 141a are arranged in the installation cavity 141 at intervals along the circumferential direction thereof, each second guide shaft 141a extends along the length direction of the cavity 11, and the adjacent housing units can be slidably installed on the plurality of second guide shafts 141a along the length direction of the cavity 11. Specifically, referring to fig. 2, in the present embodiment, the second guide shaft 141a is disposed on the second housing unit 14, and the second guide shaft 141a is present, so that the first housing unit 13 always moves along the second guide shaft 141a, and the second guide shaft 141a can guide the first housing unit 13, and simultaneously prevent the first housing unit 13 from generating unnecessary circumferential movement.
It should be noted that, in order to make the first housing unit 13 move more smoothly and stably, the first housing unit 13 is further provided with a second slider 131, a plurality of matching holes are formed on the second slider 131, a plurality of second guide shafts 141a are in one-to-one correspondence with the matching holes, and each matching hole is in sliding fit with the second guide shaft 141a, so that the first housing unit 13 can be slidably mounted on the second guide shafts 141a along the length direction of the accommodating cavity 11. Specifically, referring to fig. 2, in the present embodiment, two second guide shafts 141a are provided, and the two second guide shafts 141a are disposed at intervals along the circumferential direction of the installation cavity 141 and are located at two ends of the installation cavity 141 (the installation cavity 141 is annular in fig. 2) in the diameter direction.
The utility model further provides a mobile terminal, which comprises the lens 100, wherein the mobile terminal comprises all technical features of the lens 100, so that the mobile terminal also has the technical effects brought by all the technical features, and the details are not repeated herein.
Further, the mobile terminal may be a mobile phone or a tablet, etc., as long as the mobile terminal having the lens 100 belongs to the mobile terminal of the present invention.
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 lens barrel for being provided on a mobile terminal, the lens barrel comprising:
a mounting seat;
the lens structure is arranged on the mounting seat and comprises a plurality of lens groups, and the distance between two of the lens groups can be adjusted; and the number of the first and second groups,
the first piezoelectric mechanism is arranged on the lens structure and used for adjusting the distance.
2. The lens barrel as recited in claim 1, wherein the lens structure further comprises a base;
the two lens groups comprise a first lens group and a second lens group, the first lens group is fixedly arranged on the base, and the second lens group can be movably arranged on the base along the telescopic direction close to or far away from the first lens group;
the first piezoelectric mechanism is in driving connection with the second lens group and used for driving the second lens group to move.
3. The lens barrel as claimed in claim 2, wherein the lens structure further includes a first guide shaft extending in the telescopic direction;
one end of the first guide shaft is fixedly connected with the base, and the other end of the first guide shaft is fixedly connected with the first lens group;
the second lens group is located between the first lens group and the base, a first sliding block is arranged on the second lens group, and the first sliding block is in sliding fit with the first guide shaft, so that the second lens group can be slidably mounted on the first guide shaft along the telescopic direction.
4. The lens barrel according to claim 3, wherein the first guide shafts are provided in plurality, and the plurality of first guide shafts are arranged at intervals in a circumferential direction of the base;
a plurality of matching holes are formed in the first sliding block, and a plurality of first guide shafts are in one-to-one penetrating correspondence with the matching holes.
5. The lens barrel as claimed in claim 2, wherein the first piezoelectric mechanism includes:
the piezoelectric ceramic base is arranged on the base;
the piezoelectric carbon rod is arranged on the piezoelectric ceramic base and extends along the telescopic direction; and the number of the first and second groups,
the movable seat can be movably arranged on the piezoelectric carbon rod along the telescopic direction and is connected with the second lens group;
the piezoelectric ceramic base can drive the movable base to move when the voltage is applied, so that the second lens group is driven to move.
6. The lens barrel according to claim 1, wherein a cavity is formed on the mounting base, one end of the cavity in the length direction of the cavity is open, the lens structure is arranged in the cavity and partially protrudes out of the open end of the cavity, and the plurality of lens groups are sequentially arranged along the length direction of the cavity;
the size of the cavity in the length direction can be adjusted.
7. The lens barrel as claimed in claim 6, wherein the mounting seat comprises a plurality of housing units which are sequentially sleeved along the length direction of the cavity, and one of any two adjacent housing units can be movably arranged in a direction close to or far from the other housing unit, so that the size of the cavity in the length direction thereof can be adjusted;
the lens further comprises a plurality of second piezoelectric mechanisms, one second piezoelectric mechanism is correspondingly arranged on each two adjacent shell units, and the second piezoelectric mechanism is in driving connection with one of the two corresponding shell units and used for driving the one of the two shell units to move.
8. The lens barrel as claimed in claim 7, wherein a mounting cavity is formed in the housing unit, a plurality of second guide shafts are provided in the mounting cavity at intervals along a circumferential direction of the mounting cavity, each second guide shaft extends along a length direction of the cavity, and adjacent housing units are slidably mounted on the plurality of second guide shafts along the length direction of the cavity.
9. A mobile terminal characterized by comprising the lens barrel according to any one of claims 1 to 8.
10. The mobile terminal of claim 9, wherein the mobile terminal is a cell phone or tablet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121856076.6U CN215499251U (en) | 2021-08-09 | 2021-08-09 | Lens and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121856076.6U CN215499251U (en) | 2021-08-09 | 2021-08-09 | Lens and mobile terminal |
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| Publication Number | Publication Date |
|---|---|
| CN215499251U true CN215499251U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121856076.6U Active CN215499251U (en) | 2021-08-09 | 2021-08-09 | Lens and mobile terminal |
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| CN (1) | CN215499251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113645386A (en) * | 2021-08-09 | 2021-11-12 | 中山联合光电研究院有限公司 | Lens and mobile terminal |
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2021
- 2021-08-09 CN CN202121856076.6U patent/CN215499251U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113645386A (en) * | 2021-08-09 | 2021-11-12 | 中山联合光电研究院有限公司 | Lens and mobile terminal |
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