Lens structure, camera module and electronic equipment

Abstract

The utility model relates to the technical field of imaging, in particular to a lens structure, a camera module and electronic equipment. According to the lens structure cylinder, a plurality of protruding parts are arranged on the inner wall face of a mounting hole of a lens, the protruding parts are sequentially arranged in the axial direction of the mounting hole, and at least one protruding part is provided with a first thinning part; meanwhile, the outer surface of the lens assembly mounted on the mounting hole is opposite to the inner wall surface of the mounting hole, a first reinforcing part is arranged, and the first reinforcing part corresponds to the first thinning part. Therefore, when the lens structure is subjected to external stress, the lens cone provided with the first thinning part can effectively release part of the external stress, and the lens assembly provided with the first reinforcing part can enhance the mechanical strength of the lens assembly, so that the overall structural strength of the lens structure is improved; the problem that the lens assembly deforms due to stress concentration is avoided, and the imaging quality of the camera module is further improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of imaging technology, in particular to a lens structure, a camera module and an electronic device. BACKGROUND

[0002] At present, the automatic focusing function of the camera module is mainly realized by a driving motor. The driving motor includes a coil and a magnet, and the magnet is usually installed on the outer circumferential side of the lens structure. After the coil is energized, the magnetic field force generated by the magnet can make the lens structure move along the optical axis direction, so as to realize focusing or focusing.

[0003] However, although the driving motor has the advantages of mature technology, low cost and low noise, during the assembly process of the lens structure, since the magnet is installed on the outer circumferential side of the lens barrel, this lateral installation method is easy to cause the lens barrel to be squeezed along the lateral direction, and the outer circumferential side of the lens barrel is subjected to lateral pressure, resulting in stress concentration of the lens barrel and the lens group at the position close to the magnet, and further causing the problem of deformation of the lens group. UTILITY MODEL CONTENT

[0004] The present application discloses a lens structure, a camera module and an electronic device, which can release part of the stress by the lens barrel and enhance the mechanical strength of the lens assembly by setting the first reinforcing part, so as to improve the overall structural strength of the lens structure.

[0005] In order to achieve the above-mentioned purpose, in a first aspect, the present application discloses a lens structure, comprising:

[0006] a lens barrel, the lens barrel has a mounting hole, a plurality of protruding parts are provided on the inner wall surface of the mounting hole, the plurality of protruding parts are sequentially arranged along the axial direction of the mounting hole, at least one of the protruding parts is provided with a first thinning part, and the first thinning part is recessed from the inner wall surface of the mounting hole to the outer wall surface of the lens barrel; and

[0007] a lens assembly, the lens assembly is installed in the mounting hole, and the lens assembly abuts on the protruding part, a first reinforcing part is provided on the outer surface of the lens assembly opposite to the inner wall surface of the mounting hole, the first reinforcing part protrudes towards the first thinning part, and the first reinforcing part is arranged corresponding to the first thinning part.

[0008] In some possible implementation manners, the first thinning part includes a plurality of first thinning parts, and the plurality of first thinning parts are arranged at intervals along the circumferential direction of the lens barrel;

[0009] The first reinforcing part includes a plurality of first reinforcing parts, and the plurality of first reinforcing parts are arranged at intervals along the circumferential direction of the lens assembly.

[0010] In some possible implementations, the mounting hole includes a first portion and a second portion that are in communication with each other, the first portion and the second portion are sequentially arranged from the image side to the object side along an axial direction of the mounting hole, and the protruding portion is arranged in the first portion.

[0011] In some possible implementations, a projection plane of the first portion along the axial direction is arranged in a rectangular shape.

[0012] The first thinning portion includes two first thinning portions that are arranged at two ends of any inner wall surface of the first portion along a first direction, respectively; or

[0013] The first thinning portion includes a plurality of first thinning portions that are sequentially and spacedly arranged on the inner wall surface of the first portion along the first direction.

[0014] The first direction is a length direction or a width direction of the inner wall surface of the first portion.

[0015] In some possible implementations, a spacing between the first thinning portion and the first reinforcing portion along a second direction is 0.01 mm-0.05 mm; and / or

[0016] A spacing between the first thinning portion and the first reinforcing portion along a third direction is 0.01 mm-0.05 mm.

[0017] The second direction is a wall thickness direction of the mounting hole, and the third direction intersects with the second direction and the axial direction.

[0018] In some possible implementations, the protruding portion has a first surface that faces away from the inner wall surface of the mounting hole, and a thickness of the first surface to an outer wall surface of the lens barrel in the second direction is 1 mm-2 mm.

[0019] The second direction is a wall thickness direction of the mounting hole.

[0020] In some possible implementations, the lens assembly includes a compression ring and a lens group, and the first reinforcing portion is arranged on an outer surface of at least one of the compression ring and the lens group.

[0021] And / or

[0022] The lens assembly includes a lens group and a spacer ring, and the first reinforcing portion is arranged on an outer surface of at least one of the lens group and the spacer ring.

[0023] In a second aspect, the present application further includes a camera module, which comprises a driving device and the lens structure as described in the first aspect above, the driving device is arranged on the outer wall surface of the lens barrel of the lens structure, and the driving device is at least partially arranged corresponding to the first thinning portion of the lens barrel.

[0024] In some possible implementation manners, the driving device comprises a magnet, the magnet is arranged on the outer wall surface of the lens barrel, and the magnet is arranged corresponding to the first thinning portion.

[0025] In a third aspect, the present application further includes an electronic device, which comprises the camera module as described in the second aspect above.

[0026] Compared with the prior art, the present application has the following beneficial effects:

[0027] The lens structure, the camera module and the electronic device disclosed in the present application, the lens structure is arranged with the first thinning portion on the convex portion of the lens barrel, and the first reinforcing portion protruding towards the first thinning portion is arranged on the outer surface of the lens assembly, and the first reinforcing portion is arranged corresponding to the first thinning portion. Thus, when the lens structure is subjected to external stress, the lens barrel arranged with the first thinning portion can effectively release part of the external stress due to easy deformation, and the lens assembly arranged with the first reinforcing portion can enhance the mechanical strength of itself, so as to be not easy to deform. That is, the present application releases part of the external stress by pre-deformation of the lens barrel, and improves the mechanical strength of the lens assembly, so as to effectively improve the overall structural strength of the lens structure, avoid the problem of deformation of the lens assembly due to stress concentration, and further improve the imaging quality of the camera module.

[0028] In addition, since the first reinforcing portion is arranged corresponding to the first thinning portion, that is, the protruding height of the first reinforcing portion can be matched with the size of the first thinning portion, so as to keep the overall volume of the lens structure basically unchanged. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0030] Figure 1A A schematic diagram of the stress of the lens structure when the magnet is installed;

[0031] Figure 1B A structural schematic diagram of the lens structure provided in the embodiments of the present application;

[0032] Figure 2A front view of the lens structure provided by the embodiment of the present application;

[0033] Figure 3 An exploded view of the lens structure provided by the embodiment of the present application;

[0034] Figure 4 A Figure 2 An enlarged view of a portion at A in FIG. 1;

[0035] Figure 5 A structural schematic view of the lens barrel provided by the embodiment of the present application;

[0036] Figure 6 A Figure 5 An enlarged view of a portion at B in FIG. 2;

[0037] Figure 7 A front view of the lens barrel provided by the embodiment of the present application;

[0038] Figure 8 A Figure 7 An enlarged view of a portion at C in FIG. 3;

[0039] Figure 9 A side view of the lens barrel provided by the embodiment of the present application;

[0040] Figure 10 A structural schematic view of another embodiment of the lens barrel provided by the embodiment of the present application;

[0041] Figure 11 A Figure 10 An enlarged view of a portion at D in FIG. 4;

[0042] Figure 12 A structural schematic view of the camera module provided by the embodiment of the present application;

[0043] Figure 13 An exploded view of the lens structure provided by the embodiment of the present application;

[0044] Figure 14 A front view of the lens structure provided by the embodiment of the present application;

[0045] Figure 15 A structural schematic view of the electronic device provided by the embodiment of the present application.

[0046] Explanation of reference signs:

[0047] 100 - lens structure;

[0048] 10 - lens barrel; 11 - mounting hole; 111 - inner wall surface; 112 - protruding portion; 1121 - first thinning portion; 1122 - first surface; 113 - outer wall surface; 114 - first portion; 115 - second portion;

[0049] 20 - lens assembly; 21 - outer surface; 22 - first reinforcing portion; 23 - compression ring; 24 - lens group; 25 - spacer ring;

[0050] 200 - camera module; 201 - driving device; 2011 - magnet;

[0051] 300 - electronic device; 301 - housing;

[0052] F1 - first direction; F2 - second direction; F3 - third direction;

[0053] F4 - axial direction; F5 - circumferential direction. DETAILED DESCRIPTION

[0054] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0055] In the present application, the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0056] In addition, in addition to being used to indicate the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific situation.

[0057] In addition, the terms "mount", "set", "provided with", "connected" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally constructed; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific situation.

[0058] In addition, the terms "first", "second" and the like are mainly used to distinguish different devices, elements or components (the specific types and structures can be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise stated, the meaning of "multiple" is two or more.

[0059] Currently, the auto-focusing function of the camera module largely relies on the driving motor to achieve its efficient operation. The core components of the driving motor include the coil and the magnet, which realize the focusing process of the camera module through the principle of electromagnetic induction. Specifically, the magnet is usually installed on the outer peripheral side of the lens structure, while the coil interacts with the magnet after being energized to generate a strong magnetic field force. This magnetic field force can drive the lens structure to move finely along the optical axis direction, thereby accurately realizing the focusing or focusing function of the lens structure and ensuring the sharpness and detail performance of the captured image.

[0060] However, although the driving motor is widely favored due to its high technical maturity, significant cost-effectiveness, and low running noise, it still faces some challenges that cannot be ignored during the assembly process of the lens structure. Since the magnet is installed on the outer peripheral side of the lens barrel, this lateral installation method often brings additional lateral extrusion to the lens barrel. For example, as shown in Figure 1A , the dashed arrow represents the lateral extrusion force on the lens barrel 10 when the magnet 2011 is installed. During the assembly process, the outer peripheral side of the lens barrel 10 is easily subjected to lateral pressure from various directions, and these pressures are particularly concentrated near the magnet. This stress concentration not only affects the structural stability of the lens barrel itself, but also further causes the deformation of the lens group in the lens assembly 20 in the stress area. The deformation of the lens group directly affects its optical performance, which may further lead to a decline in the quality of the captured image of the camera module, including reduced sharpness, increased aberration, and other adverse consequences.

[0061] Therefore, the lens structure, camera module, and electronic device disclosed in the present application set a first thinning portion on the lens barrel to relieve a part of the external stress, and set a first reinforcing portion on the outer surface of the lens assembly to enhance the mechanical strength of the lens assembly. The first thinning portion and the first reinforcing portion are correspondingly arranged, thereby improving the overall structural strength of the lens structure and being beneficial to improving the imaging quality of the camera module.

[0062] The technical solutions of the present application will be further described below in conjunction with the embodiments and the accompanying drawings.

[0063] Please refer to Figures 1B to 3 , wherein, Figure 1B is a structural schematic diagram of the lens structure provided by the embodiments of the present application, Figure 2 is a front view of the lens structure provided by the embodiments of the present application, Figure 3The exploded view of the lens structure provided by the embodiments of the present application is shown in the figure. In a first aspect, the embodiments of the present application disclose a lens structure 100, which comprises a lens barrel 10 and a lens assembly 20. The lens barrel 10 has a mounting hole 11, and a plurality of protruding portions 112 are arranged on the inner wall surface 111 of the mounting hole 11. The plurality of protruding portions 112 are arranged in sequence along the axial direction F4 of the mounting hole 11, at least one protruding portion 112 is provided with a first thinning portion 1121, and the first thinning portion 1121 is recessed from the inner wall surface 111 of the mounting hole 11 to the outer wall surface 113 of the lens barrel 10. The lens assembly 20 is mounted in the mounting hole 11, and the lens assembly 20 is abutted on the protruding portion 112. A first reinforcing portion 22 is arranged on the outer surface 21 of the lens assembly 20 opposite to the inner wall surface 111 of the mounting hole 11, the first reinforcing portion 22 protrudes towards the first thinning portion 1121, and the first reinforcing portion 22 is arranged corresponding to the first thinning portion 1121.

[0064] Specifically, the lens structure 100 is provided with a plurality of protruding portions 112 on the inner wall surface 111 of the mounting hole 11 of the lens barrel 10, and the plurality of protruding portions 112 are arranged in sequence along the axial direction F4 of the mounting hole 11. The lens assembly 20 is abutted on the protruding portion 112 to bear the lens assembly 20, and at least one protruding portion 112 is provided with a first thinning portion 1121. At the same time, the outer surface 21 of the lens assembly 20 mounted in the mounting hole 11 is arranged opposite to the inner wall surface 111 of the mounting hole 11, and is provided with a first reinforcing portion 22, which is arranged corresponding to the first thinning portion 1121. Thus, when the lens structure 100 is subjected to external stress, the lens barrel 10 provided with the first thinning portion 1121 can effectively release part of the external stress, and the lens assembly 20 provided with the first reinforcing portion 22 can enhance the mechanical strength of itself. At the same time, the first reinforcing portion 22 is arranged corresponding to the first thinning portion 1121, so that the overall volume of the lens structure 100 is basically unchanged.

[0065] As can be seen from the above, on the basis of ensuring that the overall volume of the lens structure 100 is unchanged, when external stress acts on the lens structure 100, the lens barrel 10 provided with the first thinning portion 1121 is first deformed to release part of the stress, and at the same time, the mechanical strength of the lens assembly 20 provided with the first reinforcing portion 22 is enhanced, thereby effectively improving the overall structural strength of the lens structure 100, avoiding the problem that the lens assembly 20 is deformed due to stress concentration, and further improving the imaging quality of the camera module 200.

[0066] Illustratively, the first thinning portion 1121 can include but is not limited to notches, spherical grooves, rectangular grooves, etc., and the embodiments of the present application do not make specific limitations thereto.

[0067] Illustratively, the first reinforcing portion 22 can include but is not limited to reinforcing ribs, reinforcing ribs, reinforcing blocks, etc., and the embodiments of the present application do not make specific limitations thereto.

[0068] Referring to Figure 3 In some embodiments, the lens assembly 20 comprises the lens group 24 and the spacer ring 25, and the outer surface 21 of at least one of the lens group 24 and the spacer ring 25 is provided with the first reinforcing portion 22. Specifically, the first reinforcing portion 22 can be arranged on the outer surface 21 of the lens group 24, or on the outer surface 21 of the spacer ring 25, or on the outer surface 21 of both the lens group 24 and the spacer ring 25, which is not limited in the embodiments of the present application. By arranging the spacer ring 25 between the lenses of the lens group 24, the spacing between the lenses can be accurately controlled, thereby improving the imaging quality of the camera module 200.

[0069] In some embodiments, the lens assembly 20 comprises the lens group 24 and the spacer ring 25, and the outer surface 21 of at least one of the lens group 24 and the spacer ring 25 is provided with the first reinforcing portion 22. Specifically, the first reinforcing portion 22 can be arranged on the outer surface 21 of the lens group 24, or on the outer surface 21 of the spacer ring 25, or on the outer surface 21 of both the lens group 24 and the spacer ring 25, which is not limited in the embodiments of the present application. By arranging the spacer ring 25 between the lenses of the lens group 24, the spacing between the lenses can be accurately controlled, thereby improving the imaging quality of the camera module 200.

[0070] In some embodiments, the lens assembly 20 comprises the lens group 24 and the spacer ring 25, and the outer surface 21 of at least one of the lens group 24 and the spacer ring 25 is provided with the first reinforcing portion 22. Specifically, the first reinforcing portion 22 can be arranged on the outer surface 21 of the lens group 24, or on the outer surface 21 of the spacer ring 25, or on the outer surface 21 of both the lens group 24 and the spacer ring 25, which is not limited in the embodiments of the present application. By arranging the spacer ring 25 between the lenses of the lens group 24, the spacing between the lenses can be accurately controlled, thereby improving the imaging quality of the camera module 200.

[0071] Referring to Figures 3 to 4 wherein, Figure 4 to Figure 2A local enlarged view at the middle A. In some embodiments, the first thinning portion 1121 and the first reinforcing portion 22 have a spacing along the second direction F2, and / or the first thinning portion 1121 and the first reinforcing portion 22 have a spacing along the third direction F3. By having a spacing between the first thinning portion 1121 and the first reinforcing portion 22, a certain deformation space can be provided for the lens barrel 10, reducing the direct transmission of external stress to the lens assembly 20, thereby reducing the possibility of deformation of the lens assembly 20 and improving the imaging quality of the camera module 200. In addition, by setting a reasonable spacing between the lens barrel 10 and the lens assembly 20 when the lens assembly 20 is installed into the lens barrel 10, different installation requirements of the lens structure 100 can be met, and the possibility of interference between the lens assembly 20 and the lens barrel 10 during installation can be reduced, thereby improving the overall stability of the lens structure 100 and further improving the imaging quality of the camera module 200.

[0072] Optionally, the spacing D between the first thinning portion 1121 and the first reinforcing portion 22 along the second direction F2 is 0.01mm-0.05mm. The second direction F2 is the wall thickness direction of the mounting hole 11. For example, the spacing D between the first thinning portion 1121 and the first reinforcing portion 22 along the second direction F2 includes but is not limited to 0.01mm-0.02mm, 0.02mm-0.03mm, 0.03mm-0.04mm, 0.04mm-0.05mm. For example, the spacing D between the first thinning portion 1121 and the first reinforcing portion 22 along the second direction F2 includes but is not limited to 0.01mm, 0.015mm, 0.02mm, 0.025mm, 0.03mm, 0.035mm, 0.04mm, 0.045mm, 0.05mm, etc. The embodiments of the present application are not limited thereto.

[0073] Optionally, the spacing H between the first thinning portion 1121 and the first reinforcing portion 22 along the third direction F3 is 0.01mm-0.05mm. The third direction F3 intersects the second direction F2 and the axial direction F4. For example, the spacing H between the first thinning portion 1121 and the first reinforcing portion 22 along the third direction F3 includes but is not limited to 0.01mm-0.02mm, 0.02mm-0.03mm, 0.03mm-0.04mm, 0.04mm-0.05mm. For example, the spacing H between the first thinning portion 1121 and the first reinforcing portion 22 along the third direction F3 includes but is not limited to 0.01mm, 0.015mm, 0.02mm, 0.025mm, 0.03mm, 0.035mm, 0.04mm, 0.045mm, 0.05mm, etc. The embodiments of the present application are not limited thereto.

[0074] The interval D of the first thinning portion 1121 and the first reinforcing portion 22 along the second direction F2 and the interval H of the first thinning portion 1121 and the first reinforcing portion 22 along the third direction F3 are arranged in this way, so that a certain pre-deformation space is provided for the lens barrel 10, external stress is avoided from being directly transmitted to the lens assembly 20, the possibility of deformation of the lens assembly 20 is reduced, and the imaging quality of the camera module 200 is further improved. In addition, when the lens assembly 20 is installed into the lens barrel 10, a reasonable interval is arranged between the lens barrel 10 and the lens assembly 20, different installation requirements of the lens structure 100 can be met, the possibility of interference between the lens assembly 20 and the lens barrel 10 during installation is reduced, the overall stability of the lens structure 100 is improved, and the imaging quality of the camera module 200 is further improved.

[0075] When the interval D of the first thinning portion 1121 and the first reinforcing portion 22 along the second direction F2 is too small, or the interval H of the first thinning portion 1121 and the first reinforcing portion 22 along the third direction F3 is too small, the pre-deformation space provided for the lens barrel 10 is reduced, and the possibility of interference between the lens assembly 20 and the lens barrel 10 during installation is increased, thereby greatly increasing the possibility of deformation of the lens assembly 20 and reducing the imaging quality of the camera module 200.

[0076] When the interval D of the first thinning portion 1121 and the first reinforcing portion 22 along the second direction F2 is too large, or the interval H of the first thinning portion 1121 and the first reinforcing portion 22 along the third direction F3 is too large, that is, the installation interval between the lens barrel 10 and the lens assembly 20 is too large, the installation of the lens assembly 20 and the lens barrel 10 is not stable enough, which may cause the lens assembly 20 to be skewed or fall off, and also reduce the imaging quality of the camera module 200.

[0077] In some embodiments, the first reinforcing portion 22 and the outer surface 21 of the lens assembly 20 are arc transitions, and the first thinning portion 1121 and the inner wall 111 of the lens barrel 10 are arc transitions. That is, the side edges of the first reinforcing portion 22 and the side edges of the first thinning portion 1121 are rounded, and the radius R of the rounded transition is 0.01mm-0.025mm.

[0078] For example, the radius R of the rounded transition can include but is not limited to 0.01-0.012, 0.012-0.015, 0.015-0.018, 0.018-0.021, 0.021-0.025. For example, the radius R of the rounded transition can include but is not limited to 0.01, 0.011, 0.012, 0.013, 0.014, 0.015, 0.016, 0.017, 0.01, 0.018, 0.019, 0.02, 0.021, 0.022, 0.023, 0.024, 0.025, etc. The present application does not make specific limitations on this.

[0079] By rounding the first reinforcing portion 22 and the first thinning portion 1121, the possibility of collision between the two during installation can be effectively reduced, and the friction and wear of the two can be reduced, thereby improving the service life of the lens barrel 10 and the lens assembly 20. At the same time, rounding the edges of the first reinforcing portion 22 and the first thinning portion 1121 can effectively eliminate sharp edges, so that the lens barrel 10 and the lens assembly 20 reduce corner cracks and reduce the risk of injury.

[0080] Referring to Figures 5 to 6 wherein, Figure 5 a structural schematic diagram of a lens barrel provided by an embodiment of the present application, Figure 6 is Figure 5 a local enlarged view of B in FIG. 10. Optionally, in the axial direction F4, the protrusion height of the plurality of protruding portions 112 increases in the direction from the image side to the object side. Specifically, the protruding portion 112 is used to adapt to the outer shape structure of the lens assembly 20, so that the lens assembly 20 is installed in the mounting hole 11 of the lens barrel 10.

[0081] It can be understood that when the first thinning portion 1121 is provided on the protruding portion 112, it is mainly achieved by thinning the protruding height of the protruding portion 112. That is, the first thinning portion 1121 can be provided on one protruding portion 112, or can be provided on a plurality of protruding portions 112.

[0082] For example, when the first thinning portion 1121 is provided on one protruding portion 112, the first thinning portion 1121 can be multiple, and the multiple first thinning portions 1121 can be spaced along the circumferential direction of the protruding portion 112. When the first thinning portion is provided on a plurality of protruding portions 112, since the protruding height of the protruding portion 112 increases in the direction from the image side to the object side, the recess depth of the first thinning portion 1121 on the plurality of protruding portions 112 does not change, that is, along the axial direction F4, the first thinning portions 1121 on the adjacent two protruding portions 112 can correspond to each other, or can be staggered. For example, a plurality of first thinning portions 1121 are provided on the adjacent two protruding portions 112, and the plurality of first thinning portions 1121 are spaced along the circumferential direction of the protruding portion 112, and in the axial direction F4, the adjacent two first thinning portions 1121 are correspondingly arranged and connected.

[0083] Specifically, the lens assembly 20 includes a compression ring 23, a lens group 24, and a spacer ring 25, and the plurality of protruding portions 112 are used to correspondingly install the compression ring 23, the lens group 24, and the spacer ring 25, so that the lens assembly 20 is installed in the mounting hole 11 of the lens barrel 10.

[0084] Referring to Figures 5 to 8 wherein, Figure 7A front view of the lens barrel provided by an embodiment of the present application, Figure 8 To Figure 7 A local enlarged view at C. In some embodiments, the protrusion 112 has a first surface 1122 facing away from the inner wall surface 111 of the mounting hole 11, and the thickness V of the first surface 1122 to the outer wall surface 113 of the lens barrel 10 in a second direction F2 is 1-2 mm. The second direction F2 is the wall thickness direction of the mounting hole 11.

[0085] For example, the thickness V of the first surface 1122 to the outer wall surface 113 of the lens barrel 10 includes but is not limited to 1-1.2 mm, 1.2-1.4 mm, 1.4-1.6 mm, 1.6-1.8 mm, 1.8-2.0 mm. For example, the thickness V of the first surface 1122 to the outer wall surface 113 of the lens barrel 10 includes but is not limited to 1 mm, 1.05 mm, 1.1 mm, 1.15 mm, 1.2 mm, 1.25 mm, 1.3 mm, 1.35 mm, 1.4 mm, 1.45 mm, 1.5 mm, 1.55 mm, 1.6 mm, 1.65 mm, 1.7 mm, 1.75 mm, 1.8 mm, 1.85 mm, 1.9 mm, 1.95 mm, 2 mm, etc. The present application is not limited to this.

[0086] In this way, the thickness V of the first surface 1122 to the outer wall surface 113 of the lens barrel 10 is within a reasonable range, so that the lens barrel 10 is thinned on the basis of having a certain mechanical strength, and the thinning design requirement of the lens structure 100 is met. If the thickness V of the first surface 1122 to the outer wall surface 113 of the lens barrel 10 is too large, the thickness of the lens barrel 10 will increase, which will cause the overall volume of the lens structure 100 to increase, which does not meet the miniaturization design requirement of the lens structure 100. If the thickness V of the first surface 1122 to the outer wall surface 113 of the lens barrel 10 is too small, the wall thickness of the lens barrel 10 does not have a reasonable mechanical strength and is difficult to support the lens assembly 20, which is not conducive to the normal use of the camera module 200.

[0087] In some embodiments, the first thinning portion 1121 includes a plurality of first thinning portions 1121, and the plurality of first thinning portions 1121 are arranged along the circumferential direction F5 of the lens barrel 10; the first reinforcing portion 22 includes a plurality of first reinforcing portions 22, and the plurality of first reinforcing portions 22 are arranged along the circumferential direction F5 of the lens assembly 20. By arranging the plurality of first thinning portions 1121 along the circumferential direction F5 of the lens barrel 10, that is, by arranging the plurality of first thinning portions 1121 on the inner wall surface 111 of the lens barrel 10, the lens barrel 10 can be pre-deformed when subjected to external stress, thereby relieving the external stress, so that the stress transmitted to the lens assembly 20 is reduced. In addition, by arranging the first reinforcing portion 22 along the circumferential direction F5 of the lens assembly 20, the mechanical strength of the lens assembly 20 can be enhanced, so that the lens assembly 20 can effectively avoid deformation when subjected to stress transmitted from the lens barrel 10, thereby improving the overall structural strength of the lens structure 100, and further ensuring the imaging quality of the camera module 200.

[0088] It can be understood that the external stress refers to the lateral stress generated by the driving device 201 on the lens structure 100 when the driving device 201 is installed, or the stress generated by the user or external object on the lens structure 100 when the user or external object collides with the lens structure 100, and the present application does not limit the same.

[0089] The specific structural design of the lens structure 100 when the external stress is the lateral stress generated by the driving device 201 on the lens structure 100 when the driving device 201 is installed will be described in detail below.

[0090] Please refer to Figures 9 to 11 , wherein, Figure 9 is a side view of the lens barrel provided by the present application, Figure 10 is a structural schematic view of another embodiment of the lens barrel provided by the present application. In some embodiments, the mounting hole 11 includes a first portion 114 and a second portion 115 that are in communication with each other, and the first portion 114 and the second portion 115 are arranged in sequence from the image side to the object side along the axial direction F4 of the mounting hole 11, and the protruding portion 112 is arranged at the first portion 114. Since the driving device 201 is arranged at the end of the lens barrel 10 close to the image side, in the present embodiment, the protruding portion 112 is arranged at the first portion 114, and the first thinning portion 1121 is arranged at the protruding portion 112 of the first portion 114, that is, the first thinning portion 1121 is arranged at the position corresponding to the magnet 2011 of the lens barrel 10, so that the lens barrel 10 can be pre-deformed, thereby relieving part of the stress, reducing the stress transmitted to the lens assembly 20, and further reducing the possibility of deformation of the lens assembly 20, thereby improving the imaging quality of the camera module 200.

[0091] Optionally, the projection surface of the first part 114 along the axial direction F4 is rectangular, that is, the projection surface of the lens assembly 20 along the axial direction F4 is also rectangular, so that the first part 114 of the lens barrel 10 has four inner wall surfaces 111 along its circumferential direction F5, the four inner wall surfaces 111 surround and connect to form the first part 114 of the mounting hole 11, and the inner wall surface 111 of the lens barrel 10 corresponds to the outer peripheral surface of the lens assembly 20.

[0092] In one optional example, the first thinning portion 1121 includes two portions, each disposed at one end of the inner wall surface 111 of the first portion 114 along the first direction F1. That is, there are also two first reinforcing portions 22 on the outer peripheral surface of the lens assembly 20, and the two first thinning portions 1121 correspond to the two first reinforcing portions 22. When the driving device 201 extends along the first direction F1, the stress generated on the lens structure 100 by the two sides of the driving device 201 along the first direction F1 during installation is greater than the stress generated on the lens structure 100 by the middle of the driving device 201. Therefore, by providing the first thinning portions 1121 at both ends of the inner wall surface 111 of the first portion 114 along the first direction F1, the stress at that location can be effectively relieved. Furthermore, the pre-deformation of the lens barrel 10 further relieves this stress, thereby reducing the stress transmitted to the lens assembly 20 and preventing deformation of the lens assembly 20, thus ensuring the imaging quality of the camera module 200. Wherein, the first direction F1 is the length direction or width direction of the inner wall surface 111 of the first part 114.

[0093] For example, such as Figures 10 to 11 As shown, the protrusion 112 includes multiple protrusions, and each protrusion 112 is provided with two first thinning portions 1121. The two first thinning portions 1121 can be rectangular grooves. The two first thinning portions 1121 are respectively disposed at both ends of the protrusion 112 along the first direction F1. Correspondingly, the lens assembly 20 is provided with two first reinforcing portions 22. The two first reinforcing portions 22 are rectangular protrusions. The two first thinning portions 1121 and the two first reinforcing portions 22 are correspondingly disposed so as to install the lens assembly 20 onto the lens barrel 10.

[0094] In another alternative example, the first thinning portion 1121 includes a plurality of first thinning portions 1121, and the plurality of first thinning portions 1121 are sequentially and spaced apart on the inner wall surface 111 of the first portion 114 in the first direction F1. That is, the first reinforcing portion 22 on the outer peripheral surface of the lens assembly 20 also includes a plurality of first reinforcing portions 22, and the plurality of first thinning portions 1121 are correspondingly arranged with the plurality of first reinforcing portions 22. The plurality of first thinning portions 1121 are sequentially and spaced apart on the inner wall surface 111 of the first portion 114 in the first direction F1, which can effectively improve the overall pre-deformation capability of the first portion 114, so that the lens barrel 10 has stronger pre-deformation capability when responding to different external stresses, and the mechanical strength of the lens assembly 20 can also be correspondingly improved, thereby improving the imaging quality of the camera module 200.

[0095] For example, the protruding portion 112 includes a plurality of protruding portions 112, and each protruding portion 112 is provided with a plurality of first thinning portions 1121, which are rectangular grooves (see Figure 5 、 Figure 6 The plurality of first thinning portions 1121 are sequentially and spaced apart on the inner wall surface 111 of the first portion 114 in the first direction F1, so that the inner wall surface 111 of the lens barrel 10 forms a continuous tooth-shaped groove. Correspondingly, the lens assembly 20 is provided with a plurality of first reinforcing portions 22, which are rectangular protrusions, and the plurality of first thinning portions 1121 are correspondingly arranged with the plurality of first reinforcing portions 22, so that the lens assembly 20 is correspondingly mounted on the lens barrel 10.

[0096] Please refer to Figures 12 to 14 , wherein, Figure 12 is a structural schematic diagram of a camera module provided by an embodiment of the present application, Figure 13 is an exploded view of a lens structure provided by an embodiment of the present application, Figure 14A front view of the lens structure provided by the embodiment of the present application is shown in FIG. 1. In a second aspect, the embodiment of the present application also discloses a camera module 200, which comprises a driving device 201 and the lens structure 100 of the first aspect as described above, the driving device 201 is arranged on the outer wall surface 113 of the lens barrel 10 of the lens structure 100, and the driving device 201 is arranged at least partially corresponding to the first thinning portion 1121 of the lens barrel 10. Since the driving device 201 needs to be installed on the outer wall surface 113 of the lens barrel 10 of the lens structure 100, when the driving device 201 is installed, the driving device 201 will generate a lateral extrusion force on the lens barrel 10, causing the lens barrel 10 to deform, further, the lens assembly 20 installed inside the lens barrel 10 will also deform, thereby affecting the imaging quality of the camera module 200. Based on this, the camera module 200 with the lens structure 100 can also achieve the same as the first aspect described above, when the lens structure 100 of the camera module 200 is subjected to external stress, the lens barrel 10 provided with the first thinning portion 1121 can effectively relieve a part of the external stress, and the lens assembly 20 provided with the first reinforcing portion 22 can enhance the mechanical strength of itself, and the first reinforcing portion 22 is arranged corresponding to the first thinning portion 1121, so that the overall volume of the lens structure 100 is basically unchanged. It can be seen that, on the basis of ensuring that the overall volume of the lens structure 100 is unchanged, the lens barrel 10 pre-deforms to relieve part of the external stress, and the mechanical strength of the lens assembly 20 is improved, thereby effectively improving the overall structural strength of the lens structure 100, avoiding the problem that the lens assembly 20 deforms due to stress concentration, and further improving the imaging quality of the camera module 200.

[0097] In some embodiments, the driving device 201 comprises a magnet 2011, the magnet 2011 is arranged on the outer wall surface 113 of the lens barrel 10, and the magnet 2011 is configured to be arranged corresponding to the first thinning portion 1121. Specifically, the magnet 2011 is in a long strip shape, and is arranged corresponding to the outer wall surface 113 of the lens barrel 10, during the installation of the magnet 2011, the magnet 2011 will generate a lateral extrusion force on the lens barrel 10, therefore, the first thinning portion 1121 is arranged corresponding to the installation position of the magnet 2011, which can effectively relieve the stress generated by the installation of the magnet 2011, thereby avoiding the lens assembly 20 arranged inside the lens barrel 10 from deforming due to the extrusion force, and further ensuring the imaging quality of the camera module 200.

[0098] Referring to Figure 15 , wherein Figure 15A structural schematic diagram of an electronic device provided by the embodiment of the present application is shown. In a third aspect, the embodiment of the present application discloses an electronic device 300, which comprises a shell 301 and a camera module 200, and the camera module 200 is at least partially arranged in the shell 301. The electronic device 300 with the camera module 200 can also achieve the effect as described in the second direction F2 above, that is, when the lens structure 100 is subjected to external stress, the barrel 10 provided with the first thinning portion 1121 can effectively relieve a part of the external stress, and the lens assembly 20 provided with the first reinforcing portion 22 can enhance the mechanical strength of itself, and the first reinforcing portion 22 is correspondingly arranged with the first thinning portion 1121, so that the overall volume of the lens structure 100 is basically unchanged. It can be seen that, on the basis of ensuring that the overall volume of the lens structure 100 is unchanged, the barrel 10 pre-deforms to relieve part of the external stress, and the mechanical strength of the lens assembly 20 is improved, thereby effectively improving the overall structural strength of the lens structure 100, avoiding the problem of deformation of the lens assembly 20 due to stress concentration, and further improving the imaging quality of the camera module 200.

[0099] Specifically, the electronic device 300 can include but is not limited to a smart phone, a smart watch, a camera, a monitor, a sports camera, a notebook computer, a driving recorder, a tablet computer, a palm computer, a game device, a drone and other electronic devices 300, and the embodiment of the present application does not make specific limitation thereto.

[0100] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A lens structure, characterized by, The lens structure comprises: a lens barrel having a mounting hole, an inner wall surface of the mounting hole being provided with a plurality of protruding portions, the plurality of protruding portions being sequentially arranged along an axial direction of the mounting hole, at least one of the protruding portions being provided with a first thinning portion, the first thinning portion being recessed from the inner wall surface of the mounting hole to an outer wall surface of the lens barrel; and a lens assembly mounted in the mounting hole and abutting against the protruding portions, an outer surface of the lens assembly opposite to the inner wall surface of the mounting hole being provided with a first reinforcing portion, the first reinforcing portion being protruded towards the first thinning portion, and the first reinforcing portion being arranged corresponding to the first thinning portion.

2. The lens structure according to claim 1, wherein the first thinning portion comprises a plurality of first thinning portions, the plurality of first thinning portions being arranged at intervals along a circumferential direction of the lens barrel; and the first reinforcing portion comprises a plurality of first reinforcing portions, the plurality of first reinforcing portions being arranged at intervals along a circumferential direction of the lens assembly.

3. The lens structure according to claim 1, characterized in that, The mounting hole comprises a first portion and a second portion in communication with each other, the first portion and the second portion being sequentially arranged along an axial direction of the mounting hole from an image side to an object side, and the protruding portion is arranged in the first portion.

4. The lens structure according to claim 3, wherein a projection plane of the first portion along the axial direction is rectangularly arranged; the first thinning portion comprises two first thinning portions, the two first thinning portions being arranged at two ends of any one of the inner wall surfaces of the first portion along a first direction, respectively; or the first thinning portion comprises a plurality of first thinning portions, the plurality of first thinning portions being sequentially arranged at intervals on the inner wall surface of the first portion along a first direction; wherein the first direction is a length direction or a width direction of the inner wall surface of the first portion.

5. The lens structure according to any one of claims 1 to 4, characterized in that, a distance D between the first thinning portion and the first reinforcing portion along a second direction is 0.01 mm-0.05 mm; and / or a distance H between the first thinning portion and the first reinforcing portion along a third direction is 0.01 mm-0.05 mm; wherein the second direction is a wall thickness direction of the mounting hole, and the third direction intersects with the second direction and the axial direction.

6. The lens structure according to any one of claims 1 to 4, characterized in that, the protruding portion has a first surface facing away from the inner wall surface of the mounting hole, and a thickness of the first surface to an outer wall surface of the lens barrel in the second direction is 1 mm-2 mm; wherein the second direction is a wall thickness direction of the mounting hole.

7. The lens structure according to any one of claims 1 to 4, wherein the lens assembly comprises a compression ring and a lens group, at least one of the compression ring and the lens group being provided with the first reinforcing portion on an outer surface thereof, and the compression ring and the lens group abutting against the protruding portion; and / or the lens assembly comprises a lens group and a spacer ring, at least one of the lens group and the spacer ring being provided with the first reinforcing portion on an outer surface thereof, and the lens group and the spacer ring abutting against the protruding portion. The lens structure comprises a driving device arranged on an outer wall surface of the lens barrel of the lens structure, and at least partially corresponding to the first thinning portion of the lens barrel.

8. An image capture module, comprising: ​ 9. The camera module of claim 8, wherein, The driving device comprises a magnet, which is arranged on the outer wall surface of the lens barrel and corresponds to the first thinning portion.

10. An electronic device, comprising: The camera module comprises the camera module as claimed in claim 8 or 9.

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