Lens barrel assembly, camera module and electronic equipment
By setting stress buffers and adhesives between the lens and the support, a multi-directional flexible connection structure is formed, which solves the stress problem during lens assembly and improves the optical performance of the lens.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-03-20
AI Technical Summary
Traditional processes are insufficient to effectively eliminate stress caused by differences in the coefficients of thermal expansion of materials and mechanical forces during lens assembly, which affects optical performance.
A stress buffer is installed between the end of the lens and the support, and connected by an adhesive to form a multi-directional flexible connection structure, which absorbs thermal expansion differences and mechanical pressure, and alleviates stress concentration.
It effectively reduces the assembly stress of the lens, maintains optical accuracy and imaging quality, and ensures the optical performance of the lens.
Smart Images
Figure CN224020057U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of optical imaging, in particular to a lens barrel assembly, a camera module and an electronic device. BACKGROUND
[0002] With the development of camera modules towards large size and high precision, the increase in lens size makes it more sensitive to stress during assembly, thereby affecting the optical performance. Lens stress mainly comes from two aspects: one is the thermal stress generated during curing due to the difference in thermal expansion coefficient between the lens and the lens barrel material; the other is the residual stress formed inside the lens during the mechanical force in the assembly process. The traditional process is difficult to effectively eliminate these stresses, which is easy to cause problems such as change in refractive index, deformation or birefringence of the lens, thereby affecting the imaging quality. Therefore, there is an urgent need for a solution that can reduce the assembly stress of the lens to ensure that the lens has better optical performance. SUMMARY
[0003] In view of the above, it is necessary to provide a lens barrel assembly, a camera module and an electronic device to reduce the assembly stress of the lens and ensure that the lens has better optical performance.
[0004] The first aspect of the embodiment of the present application provides a lens barrel assembly, comprising: a lens barrel having a light passing hole, the light passing hole having an entrance; a support portion protruding from the hole wall of the light passing hole, the support portion and the entrance being spaced apart in the optical axis direction; a lens arranged in the light passing hole, and the end portion of the lens being arranged on one side of the support portion close to the entrance; and a stress buffer arranged in the light passing hole and arranged between the end portion of the lens and the support portion.
[0005] In the lens barrel assembly provided by the embodiment of the present application, the stress buffer is arranged between the end portion of the lens and the support portion, which can absorb the thermal stress generated by the lens and the lens barrel due to the difference in material thermal expansion coefficient, and reduce the stress accumulation during curing. Moreover, the stress buffer can buffer the mechanical pressure received by the lens during assembly, so as to avoid the generation of internal residual stress in the lens due to excessive local stress, thereby maintaining the optical precision and imaging quality of the lens and ensuring that the lens has better optical performance. The support portion and the entrance are kept apart in the optical axis direction, and the flexible support of the stress buffer can not only ensure the accurate positioning of the lens, but also allow the lens to deform moderately when the temperature changes or mechanical vibration occurs, thereby reducing stress concentration.
[0006] In a possible implementation, the stress buffer is connected with the support portion, and the lens barrel assembly further comprises a first adhesive, which is bonded between the stress buffer and the lens.
[0007] In the scheme provided by the embodiment of the application, the stress buffer is connected with the support part, and the first adhesive is arranged between the stress buffer and the lens, so that the stress buffer can absorb the thermal expansion difference and assembly stress between the lens and the lens barrel, and the first adhesive further provides a flexible adhesive interface, disperses local stress, and avoids stress concentration caused by rigid fixation of the lens.
[0008] In a possible implementation, the lens barrel assembly further comprises a second adhesive, which is bonded between the stress buffer and the support part.
[0009] In the scheme provided by the embodiment of the application, the stress buffer is connected with the support part, and the first adhesive is arranged between the stress buffer and the lens, so that the stress buffer can absorb the thermal expansion difference and assembly stress between the lens and the lens barrel, and the first adhesive further provides a flexible adhesive interface, disperses local stress, and avoids stress concentration caused by rigid fixation of the lens.
[0010] In a possible implementation, the stress buffer comprises a first buffer part and a second buffer part connected with each other, the first buffer part is connected with the support part, the second buffer part is connected with the hole wall of the light passing hole, one side of the first adhesive is bonded to the end of the lens, and the other side of the first adhesive is bonded to the first buffer part and the second buffer part respectively.
[0011] In the scheme provided by the embodiment of the application, the stress buffer is designed as the first buffer part and the second buffer part connected with each other, and forms a multidirectional flexible connection structure with the lens, the support part and the lens barrel, the first buffer part mainly relieves the axial assembly stress, the second buffer part effectively offsets the radial thermal expansion stress, and the multidirectional adhesive interface of the first adhesive makes the complex stress borne by the lens be evenly released in three-dimensional space.
[0012] In a possible implementation, the support part and the stress buffer are an integral structure.
[0013] In the scheme provided by the embodiment of the application, the support part and the stress buffer are designed as an integral structure, the integral structure eliminates the interface stress caused by traditional split assembly, ensures continuous and stable stress transmission path, and realizes more uniform stress distribution through the elastic properties of the material itself.
[0014] In a possible implementation, the stress buffer is connected with the end of the lens, the lens barrel assembly further comprises a first adhesive, and the first adhesive is bonded between the stress buffer and the support part.
[0015] In the scheme provided by the embodiment of the application, the stress buffer is directly connected to the end of the lens, and the first adhesive is arranged between the stress buffer and the support part, the stress buffer can directly absorb the assembly stress of the lens body, and the first adhesive can effectively isolate the mechanical vibration and thermal deformation stress transmitted by the support part.
[0016] In a possible implementation, the stress buffer comprises a first buffer part and a second buffer part connected to each other, the first buffer part is connected to the side of the lens close to the support part, the second buffer part is connected to the side of the lens close to the hole wall of the light passage hole, one side of the first adhesive is adhered to the support part and the hole wall of the light passage hole respectively, and the other side of the first adhesive is adhered to the first buffer part and the second buffer part respectively.
[0017] In the scheme provided by the embodiment of the application, the stress buffer is designed as a first buffer part and a second buffer part in a split type, is connected to the side of the lens close to the support part and the side of the lens close to the hole wall of the light passage hole respectively, and forms a multi-directional cross-adhesion structure with the first adhesive, the first buffer part mainly absorbs the axial assembly stress, the second buffer part mainly relieves the radial thermal expansion stress, and the multi-interface adhesion of the first adhesive balances the complex stress of the lens in the three-dimensional space.
[0018] In a possible implementation, the support part is in a ring structure, and the stress buffer comprises a plurality of buffer parts, the stress buffer is in a regular ring structure, an irregular ring structure or a ring structure formed by the plurality of buffer parts arranged at intervals.
[0019] In the scheme provided by the embodiment of the application, the support part and the stress buffer are designed in a ring structure, the regular ring structure ensures symmetrical distribution of stress and avoids local stress concentration, and the irregular ring structure or the interval design can optimize the buffering in a specific stress direction, thereby ensuring the structural strength and providing differential stress release.
[0020] The second aspect of the embodiment of the application provides a camera module, comprising: the lens barrel assembly according to any one of the above; and a photosensitive chip arranged in the lens barrel assembly.
[0021] The camera module provided in the embodiments of the present application includes the lens barrel assembly described above. The stress buffer arranged between the end of the lens and the support part can absorb the thermal stress generated by the difference in the material thermal expansion coefficient between the lens and the lens barrel, and reduce the stress accumulation in the curing process of gluing. Moreover, the stress buffer can buffer the mechanical pressure received by the lens during the assembly process, avoid the generation of internal residual stress in the lens due to excessive local stress, and thus maintain the optical precision and imaging quality of the lens, ensuring that the lens has better optical performance. The support part and the light inlet are kept apart in the optical axis direction, and in combination with the flexible support of the stress buffer, the lens positioning accuracy can be ensured, and the lens can be allowed to deform moderately when the temperature changes or mechanical vibration occurs, reducing stress concentration.
[0022] The third aspect of the embodiments of the present application provides an electronic device, including: a shell; and the camera module described above, which is arranged in the shell.
[0023] The electronic device provided in the embodiments of the present application includes the lens barrel assembly described above. The stress buffer arranged between the end of the lens and the support part can absorb the thermal stress generated by the difference in the material thermal expansion coefficient between the lens and the lens barrel, and reduce the stress accumulation in the curing process of gluing. Moreover, the stress buffer can buffer the mechanical pressure received by the lens during the assembly process, avoid the generation of internal residual stress in the lens due to excessive local stress, and thus maintain the optical precision and imaging quality of the lens, ensuring that the lens has better optical performance. The support part and the light inlet are kept apart in the optical axis direction, and in combination with the flexible support of the stress buffer, the lens positioning accuracy can be ensured, and the lens can be allowed to deform moderately when the temperature changes or mechanical vibration occurs, reducing stress concentration. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 is a cross-sectional structure schematic diagram of the lens barrel assembly and the suction nozzle provided in an embodiment of the present application.
[0025] Figure 2 is a cross-sectional structure schematic diagram of the lens barrel assembly and the suction nozzle provided in another embodiment of the present application.
[0026] Figure 3 is Figure 1 is a top view of the stress buffer in the lens barrel assembly shown in FIG. 1.
[0027] Figure 4 is Figure 1 is a top view of the stress buffer in the lens barrel assembly shown in FIG. 2.
[0028] Figure 5 is Figure 1 is a top view of the stress buffer in the lens barrel assembly shown in FIG. 3.
[0029] Figure 6is a cross-sectional structure schematic diagram of a camera module provided by an embodiment of the present application.
[0030] Figure 7 is a structure schematic diagram of an electronic device provided by an embodiment of the present application.
[0031] Main element symbol explanation: lens barrel assembly 100, lens barrel 10, light passing hole 11, light inlet 111, support part 20, lens 30, stress buffer 40, first buffer part 41, second buffer part 42, buffer part 43, first adhesive 50, second adhesive 60, suction nozzle 101, photosensitive chip 200, camera module 1000, shell 2000, electronic device 1. DETAILED DESCRIPTION
[0032] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are only used to explain the present application, and cannot be understood as a limitation of the present application.
[0033] In the description of the present application, it should be understood that the terms indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.
[0034] In the description of the present application, it should be noted that, unless otherwise specifically specified and limited, the term "connection" should be understood broadly, for example, it can be fixedly connected, or detachably connected, or integrally connected; it can be mechanically connected, or electrically connected or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above-mentioned term in the present application can be understood according to the specific circumstances.
[0035] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. For the sake of simplicity, the description below of the specific examples will not be exhaustive of the disclosure. Indeed, the present application can be practiced in a variety of ways. Furthermore, this application provides for variations on the specific examples that will be apparent to those of ordinary skill in the art. It is intended that the application encompass these and similar variations. It is also understood that the terminology used herein is for the purpose of describing particular examples only, and is not intended to be limiting. Furthermore, the use of the terms "first", "second", "third", etc. to describe various embodiments is not intended to denote a particular order or hierarchy, but is merely used to distinguish one example from another.
[0036] The embodiments of the present application will be described in detail below with reference to the drawings.
[0037] Referring to Figure 1 The first aspect of the embodiments of the present application provides a lens barrel assembly 100, comprising a lens barrel 10, a support portion 20, a lens 30 and a stress buffer 40.
[0038] The lens barrel 10 has a light passage hole 11 with an entrance 111. The support portion 20 is protruded on the hole wall of the light passage hole 11, and the support portion 20 is spaced apart from the entrance 111 in the optical axis direction. The support portion 20 and the lens barrel 10 can be an integral structure or a separate structure. The lens 30 is arranged in the light passage hole 11, and the end of the lens 30 is arranged on the side of the support portion 20 close to the entrance 111. The stress buffer 40 is arranged in the light passage hole 11, and the stress buffer 40 is arranged between the end of the lens 30 and the support portion 20.
[0039] In the lens barrel assembly 100 provided by the embodiments of the present application, the stress buffer 40 is arranged between the end of the lens 30 and the support portion 20, which can absorb the thermal stress generated by the difference in the material thermal expansion coefficient between the lens 30 and the lens barrel 10, and reduce the stress accumulation during the curing process. In addition, the stress buffer 40 can buffer the mechanical pressure received by the lens 30 during assembly, so as to avoid the generation of internal residual stress in the lens 30 due to excessive local stress, thereby maintaining the optical precision and imaging quality of the lens 30 and ensuring that the lens 30 has better optical performance. The support portion 20 is spaced apart from the entrance 111 in the optical axis direction, and in combination with the flexible support of the stress buffer 40, it can not only ensure the accurate positioning of the lens 30, but also allow the lens 30 to deform moderately when the temperature changes or mechanical vibration occurs, thereby reducing stress concentration.
[0040] The lens 30 is mainly assembled by the suction nozzle 101. When the lens 30 is sucked for assembly, the vacuum pressure of the suction nozzle 101 will have a stress effect on the lens 30, but since the lens 30 is glued at the stress buffer 40, the stress will be released after the suction nozzle 101 is removed. In addition, the thermal stress existing in the process of heating and curing of the glue will also be fully released. In addition, the support part 20 provided with the stress buffer 40 can avoid the suction nozzle 101 from generating excessive pressure stress on the lens 30 when the lens 30 is pressed.
[0041] In a possible implementation, the stress buffer 40 is connected with the support part 20, and the lens barrel assembly 100 further comprises a first adhesive 50, which is bonded between the stress buffer 40 and the lens 30. In this embodiment, the first adhesive 50 is cured by optical glue.
[0042] In the scheme provided by the embodiments of the application, by connecting the stress buffer 40 with the support part 20 and arranging the first adhesive 50 between the stress buffer 40 and the lens 30, on the one hand, the stress buffer 40 can absorb the thermal expansion difference and assembly stress between the lens 30 and the lens barrel 10; on the other hand, the first adhesive 50 further provides a flexible adhesive interface, disperses local stress, and avoids stress concentration caused by rigid fixation of the lens 30.
[0043] In a possible implementation, the lens barrel assembly 100 further comprises a second adhesive 60, which is bonded between the stress buffer 40 and the support part 20. In this embodiment, the second adhesive 60 is cured by optical glue.
[0044] In the scheme provided by the embodiments of the application, by additionally arranging the second adhesive 60 to flexibly connect the stress buffer 40 with the support part 20, the first adhesive 50 absorbs the stress of the lens 30, the second adhesive 60 relieves the stress transmitted by the support part 20, and the stress buffer 40 in the middle can realize gradient release of the stress.
[0045] In a possible implementation, the stress buffer 40 comprises a first buffer part 41 and a second buffer part 42 connected with each other, the first buffer part 41 is connected with the support part 20, the second buffer part 42 is connected with the hole wall of the light passing hole 11, one side of the first adhesive 50 is bonded to the end of the lens 30, and the other side of the first adhesive 50 is bonded with the first buffer part 41 and the second buffer part 42, respectively. In this embodiment, the first buffer part 41 and the second buffer part 42 are vertically arranged, and the end of the first buffer part 41 and the end of the second buffer part 42 are connected together.
[0046] In the scheme provided by the embodiment of the application, the stress buffer 40 is designed as the first buffer part 41 and the second buffer part 42 connected with each other, and forms a multi-directional flexible connection structure with the lens 30, the support part 20 and the lens barrel 10, the first buffer part 41 mainly relieves the axial assembly stress, the second buffer part 42 effectively offsets the radial thermal expansion stress, and the multi-directional bonding interface of the first bonding part 50 makes the complex stress borne by the lens 30 be balanced and released in the three-dimensional space.
[0047] In the scheme provided by the embodiment of the application, the stress buffer 40 is designed as the first buffer part 41 and the second buffer part 42 connected with each other, and forms a multi-directional flexible connection structure with the lens 30, the support part 20 and the lens barrel 10, the first buffer part 41 mainly relieves the axial assembly stress, the second buffer part 42 effectively offsets the radial thermal expansion stress, and the multi-directional bonding interface of the first bonding part 50 makes the complex stress borne by the lens 30 be balanced and released in the three-dimensional space.
[0048] In a possible implementation, the support part 20 and the stress buffer 40 are an integral structure.
[0049] In the scheme provided by the embodiment of the application, the support part 20 and the stress buffer 40 are designed as an integral structure, the integral structure eliminates the interface stress caused by the traditional split assembly, and ensures that the stress transmission path is continuous and stable; meanwhile, the elastic properties of the material itself are used to realize more uniform stress distribution.
[0050] In the scheme provided by the embodiment of the application, the stress buffer 40 is designed as the first buffer part 41 and the second buffer part 42 connected with each other, and forms a multi-directional flexible connection structure with the lens 30, the support part 20 and the lens barrel 10, the first buffer part 41 mainly relieves the axial assembly stress, the second buffer part 42 effectively offsets the radial thermal expansion stress, and the multi-directional bonding interface of the first bonding part 50 makes the complex stress borne by the lens 30 be balanced and released in the three-dimensional space.
[0051] Please refer to Figure 2 In a possible implementation, the stress buffer 40 is connected with the end of the lens 30, and the lens barrel assembly 100 further includes the first bonding part 50 bonded between the stress buffer 40 and the support part 20. In the embodiment, the first bonding part 50 is cured by optical glue.
[0052] In the scheme provided by the embodiment of the application, the stress buffer 40 is directly connected with the end of the lens 30, and the first bonding part 50 is arranged between the stress buffer 40 and the support part 20, the stress buffer 40 can directly absorb the assembly stress of the lens 30 body, and the first bonding part 50 can effectively isolate the mechanical vibration and thermal deformation stress transmitted by the support part 20.
[0053] In the scheme provided by the embodiment of the application, the stress buffer 40 is designed as the first buffer part 41 and the second buffer part 42 connected with each other, and forms a multi-directional flexible connection structure with the lens 30, the support part 20 and the lens barrel 10, the first buffer part 41 mainly relieves the axial assembly stress, the second buffer part 42 effectively offsets the radial thermal expansion stress, and the multi-directional bonding interface of the first bonding part 50 makes the complex stress borne by the lens 30 be balanced and released in the three-dimensional space.
[0054] In a possible implementation, the stress buffer 40 includes a first buffer portion 41 connected to the side of the lens 30 close to the support portion 20 and a second buffer portion 42 connected to the side of the lens 30 close to the hole wall of the light passage hole 11, one side of the first adhesive 50 is adhered to the support portion 20 and the hole wall of the light passage hole 11 respectively, and the other side of the first adhesive 50 is adhered to the first buffer portion 41 and the second buffer portion 42 respectively. In this embodiment, the first buffer portion 41 and the second buffer portion 42 are arranged vertically, and the end of the first buffer portion 41 and the end of the second buffer portion 42 are connected together.
[0055] In the scheme provided in the embodiments of the present application, by designing the stress buffer 40 as the first buffer portion 41 and the second buffer portion 42 in a split type, connecting the side of the lens 30 close to the support portion 20 and the side of the lens 30 close to the hole wall of the light passage hole 11 respectively, and forming a multi-directional cross adhesion structure with the first adhesive 50, the first buffer portion 41 mainly absorbs the axial assembly stress, the second buffer portion 42 mainly relieves the radial thermal expansion stress, and the multi-interface adhesion of the first adhesive 50 balances the complex stress of the lens 30 in the three-dimensional space.
[0056] In a possible implementation, the support portion 20 is in a ring structure, the stress buffer 40 includes a plurality of buffer portions 43, and the stress buffer 40 is in a regularly arranged ring structure, an irregularly arranged ring structure or a ring structure formed by the plurality of buffer portions 43 arranged at intervals. Specifically, in the Figure 3 , the stress buffer 40 is in a regularly arranged ring structure; in the Figure 4 , the stress buffer 40 is in an irregularly arranged ring structure; and in the Figure 5 , the stress buffer 40 is in a ring structure formed by the plurality of buffer portions 43 arranged at intervals.
[0057] In the scheme provided in the embodiments of the present application, by designing the support portion 20 and the stress buffer 40 as a ring structure, the regular ring structure ensures the symmetrical distribution of stress and avoids local stress concentration; the irregular ring structure or the interval design can optimize the buffer according to the specific stress direction, while ensuring the structural strength and providing differential stress release.
[0058] In the scheme provided in the embodiments of the present application, the stress buffer 40 is made of a soft material with low modulus, such as silica gel, PDMS, rubber and the like. When the lens 30 is in a special-shaped structure, the stress buffer 40 can be shaped according to the special-shaped structure, that is, the stress buffer 40 can be in an irregularly arranged ring structure. In addition, according to the stress concentration position of the lens 30, a ring structure formed by the plurality of buffer portions 43 arranged at intervals can be arranged in the lens barrel 10.
[0059] Please refer to Figure 6In a second aspect, the application provides a camera module 1000, comprising a lens barrel assembly 100 and a photosensitive chip 200, wherein the photosensitive chip 200 is arranged in the lens barrel assembly 100.
[0060] The camera module 1000 provided by the application comprises the lens barrel assembly 100, and the lens barrel assembly 100 is provided with the stress buffer 40 between the end of the lens 30 and the support 20, so as to absorb the thermal stress generated by the lens 30 and the lens barrel 10 due to the difference in the thermal expansion coefficient of the materials, and reduce the stress accumulation in the curing process. In addition, the stress buffer 40 can buffer the mechanical pressure received by the lens 30 during the assembly process, so as to avoid the generation of internal residual stress in the lens 30 due to excessive local stress, thereby maintaining the optical precision and imaging quality of the lens 30, and ensuring that the lens 30 has better optical performance. The support 20 and the light inlet 111 are kept apart in the optical axis direction, and in combination with the flexible support of the stress buffer 40, the lens 30 can be accurately positioned, and the lens 30 can be moderately deformed when the temperature changes or mechanical vibration occurs, so as to reduce the stress concentration.
[0061] Please refer to Figure 7 In a third aspect, the application provides an electronic device 1, comprising a shell 2000 and a camera module 1000, wherein the camera module 1000 is arranged in the shell 2000. The electronic device 1 can be, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a smart watch, a monitor, a sweeping robot, etc.
[0062] The electronic device 1 provided by the application comprises the lens barrel assembly 100, and the lens barrel assembly 100 is provided with the stress buffer 40 between the end of the lens 30 and the support 20, so as to absorb the thermal stress generated by the lens 30 and the lens barrel 10 due to the difference in the thermal expansion coefficient of the materials, and reduce the stress accumulation in the curing process. In addition, the stress buffer 40 can buffer the mechanical pressure received by the lens 30 during the assembly process, so as to avoid the generation of internal residual stress in the lens 30 due to excessive local stress, thereby maintaining the optical precision and imaging quality of the lens 30, and ensuring that the lens 30 has better optical performance. The support 20 and the light inlet 111 are kept apart in the optical axis direction, and in combination with the flexible support of the stress buffer 40, the lens 30 can be accurately positioned, and the lens 30 can be moderately deformed when the temperature changes or mechanical vibration occurs, so as to reduce the stress concentration.
[0063] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments but can be implemented in other embodiments without departing from the scope of the present application. The embodiments are therefore to be seen as exemplary and not restrictive and the scope of the present application is defined by the appended claims and not by the above description, which is therefore intended to be interpreted as a general description of the application and not as a limitation. Any reference signs in the claims should not be construed as limiting the scope of the claims. Furthermore, it is explicitly stated that the word comprising does not exclude other elements or steps and the singular does not exclude the plural.
[0064] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application rather than limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the present application.
Claims
1. A lens barrel assembly, characterized in that, include: The lens barrel has a light-transmitting hole, and the light-transmitting hole has a light-inlet port; A support portion protrudes from the wall of the light-transmitting hole, and there is a distance between the support portion and the light-inlet in the optical axis direction; A lens is disposed within the light-transmitting aperture, and the end of the lens is located on the side of the support portion near the light-inlet; and A stress buffer is disposed within the light-transmitting hole, and the stress buffer is disposed between the end of the lens and the support portion.
2. The lens barrel assembly as described in claim 1, characterized in that, The stress buffer is connected to the support portion, and the lens barrel assembly further includes a first adhesive member, which is bonded between the stress buffer and the lens.
3. The lens barrel assembly as described in claim 2, characterized in that, The lens barrel assembly further includes a second adhesive member, which is bonded between the stress buffer member and the support portion.
4. The lens barrel assembly as described in claim 2, characterized in that, The stress buffer includes a first buffer portion and a second buffer portion connected to each other. The first buffer portion is connected to the support portion, and the second buffer portion is connected to the wall of the light-transmitting hole. One side of the first adhesive is bonded to the end of the lens, and the other side of the first adhesive is bonded to the first buffer portion and the second buffer portion respectively.
5. The lens barrel assembly as claimed in claim 1, characterized in that, The support and the stress buffer are an integral structure.
6. The lens barrel assembly as claimed in claim 1, characterized in that, The stress buffer is connected to the end of the lens, and the lens barrel assembly further includes a first adhesive member, which is bonded between the stress buffer and the support portion.
7. The lens barrel assembly as claimed in claim 6, characterized in that, The stress buffer includes a first buffer portion and a second buffer portion connected to each other. The first buffer portion is connected to the side of the lens near the support portion, and the second buffer portion is connected to the side of the lens near the wall of the light-transmitting hole. One side of the first adhesive is bonded to the support portion and the wall of the light-transmitting hole, respectively, and the other side of the first adhesive is bonded to the first buffer portion and the second buffer portion, respectively.
8. The lens barrel assembly as claimed in claim 1, characterized in that, The support portion is a ring structure, and the stress buffer includes multiple buffer portions. The stress buffer is a regularly arranged ring structure, an irregularly arranged ring structure, or a ring structure formed by multiple buffer portions spaced apart.
9. A camera module, characterized in that, include: The lens barrel assembly as described in any one of claims 1 to 8; and The photosensitive chip is located inside the lens barrel assembly.
10. An electronic device, characterized in that, include: case; and The camera module as described in claim 9 is disposed within the housing.