External thread structure base of camera module
By setting external threads on the outer wall of the base of the camera module and setting connection blocks on the outside of the lens, ensuring that the threaded connection is located on the outside, the problem of debris falling in when the lens is connected to the base is solved, and the productivity yield is improved.
Patent Information
- Application Number
- CN202421616511.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-09
AI Technical Summary
During the production process of camera modules, foreign matters generated when the lens is threaded to the base and debris generated by friction are easily dropped into the base, resulting in poor stains and reducing production yield.
Design an external threaded structure base of a camera module. By providing external threads on the outer wall of the base and providing a connecting block for connecting to the external thread on the outside of the lens, ensuring that the threaded connection is located on the outside of the base, thereby preventing debris from falling in.
It effectively avoids the debris caused by friction when the lens is screwed into the base, reduces the situation of poor stains and improves the yield of camera module production.
Smart Images
Figure CN222827315U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of camera modules, in particular to an external thread structure base of a camera module. Background Art
[0002] The camera module is composed of capacitors, chips, components, connectors, flexible circuit boards, lens + holder integrated materials and other main components. Conventional camera module assembly solutions are mostly assembled from bottom to top according to the module structure, that is, first from the substrate, electronic components SMT to the substrate, the base is mounted on the substrate, the lens is locked on the base for focusing, and then glue is applied for curing. Among them, the lens and the base are fixed by threaded connection.
[0003] However, in the production process of camera modules, the appearance of stains on the camera is a major adverse condition. In addition to the dust and foreign matter carried by the production environment and the materials that make up the camera, there is also the dust and foreign matter generated when the lens is screwed into the base. The debris generated by the friction in the threaded connection between the lens and the base falls into the base and causes stains, thereby reducing the production yield. Utility Model Content
[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide an external thread structure base for a camera module.
[0005] The purpose of this utility model is achieved through the following technical solutions:
[0006] A camera module base with an external thread structure comprises: a base, a lens connected to the top of the base, one end of the lens extending into the base, an outer wall of the base provided with an external thread, and an outer side of the lens provided with a connecting block for threaded connection with the external thread, wherein the connecting block is located on the outer side of the base and is threadedly connected to the outer wall of the base.
[0007] In one embodiment, the external thread is arranged along the outer circumferential direction of the base, and the external thread has multiple turns, and the multiple turns of the external thread are equidistantly distributed along the height direction of the base.
[0008] In one embodiment, the lens comprises a shell and a lens disposed on the shell, and the connecting block is located outside the shell.
[0009] In one embodiment, the connection block is arranged in an inverted L-shape, the connection block is arranged around the outer periphery of the shell, and the connection block and the shell are integrally formed.
[0010] In one embodiment, the connecting block includes an extension portion and a matching portion, the extension portion is laterally arranged, one end of the extension portion is connected to the shell, one end of the matching portion is connected to an end of the extension portion away from the shell, the matching portion is vertically arranged, and the matching portion is located on the outside of the base.
[0011] In one embodiment, the length of the extension portion is longer than the thickness of the base, and the matching portion is arranged along the height direction of the base.
[0012] In one embodiment, the inner wall of the mating portion is provided with an internal thread for threaded connection with the external thread, the number of turns of the internal thread matches the number of turns of the external thread, the internal thread is arranged along the inner circumferential direction of the mating portion, and multiple turns of the internal thread are equidistantly distributed along the height direction of the mating portion.
[0013] In one embodiment, one end of the mating portion away from the extension portion is at a certain distance from the end surface of the base, and adhesive for catching fallen debris is provided between the mating portion and the end surface of the base, and the adhesive is arranged around the outer circumference of the base.
[0014] In one embodiment, a substrate is disposed at the bottom of the base, a chip is disposed on the substrate, and the base and the lens are both mounted directly above the chip.
[0015] In one embodiment, a filter is attached to the upper surface of the chip, the lens is located above the filter, and the filter and the chip are both accommodated in the base.
[0016] Compared with the prior art, the utility model has at least the following advantages:
[0017] The utility model provides an externally threaded structure base of a camera module, which is threadedly connected to a matching portion of an outer wall of a lens by setting an externally threaded base, so that the threaded connection between the base and the lens is located on the outside of the base, thereby preventing debris generated by friction when the lens is screwed into the base from falling onto the filter in the base and causing stains, thereby ensuring the yield rate of camera module production. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below.
[0019] Figure 1 A schematic diagram of the structure of the connection between the base and the lens in the external thread structure base of a camera module provided by the utility model;
[0020] Figure 2A structural schematic diagram of an externally threaded structural base of a camera module provided by the utility model.
[0021] Description of the drawings: 10, base; 11, external thread; 20, lens; 21, housing; 22, lens; 30, connecting block; 31, extension part; 32, matching part; 321, internal thread; 40, adhesive; 50, substrate; 51, chip; 52, filter. DETAILED DESCRIPTION
[0022] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings.
[0023] An external thread structure base of a camera module, referring to Figure 1 , including a base 10 , a lens 20 is connected to the top of the base 10 , the base 10 is hollow, and one end of the lens 20 extends into the base 10 .
[0024] Reference Figure 1 The base 10 is threadedly connected to the lens 20. The lens 20 includes a shell 21 and a lens 22 disposed on the shell 21. The lens 22 is located in the middle of the top of the shell 21. The lens 22 is accommodated in the shell 21, and the shell 21 is connected to the inside of the base 10.
[0025] Reference Figure 1 , since the base 10 and the lens 20 in the prior art are connected by an internal thread 321, that is, the inner wall of the base 10 is provided with a thread, and the lens 20 is inserted into the base 10 and is threadedly connected with the thread of the inner wall of the base 10, so that debris will fall into the base 10 during the threaded connection, causing a defect in the camera module. Therefore, the outer wall of the base 10 is provided with an external thread 11, and the external thread 11 is arranged along the outer circumferential direction of the base 10, and the external thread 11 has multiple turns, and the multiple turns of the external thread 11 are equidistantly distributed along the height direction of the base 10. The housing 21 of the lens 20 is provided with a connecting block 30 for threaded connection with the external thread 11 on the outer wall of the base 10, and the connecting block 30 is arranged in an inverted L shape, and the connecting block 30 is arranged in an inverted L shape around the outer circumference of the housing 21, and the connecting block 30 and the housing 21 are integrally formed, and one end of the connecting block 30 extends from the outer side of the housing 21.
[0026] Reference Figure 1 The connecting block 30 includes an extension portion 31 and a matching portion 32. The extension portion 31 is arranged horizontally, one end of the extension portion 31 is connected to the shell 21, one end of the matching portion 32 is connected to an end of the extension portion 31 away from the shell 21, and the matching portion 32 is arranged vertically and is located on the outside of the base 10.
[0027] Further, refer to Figure 1, the length of the extension portion 31 is longer than the thickness of the base 10, so that the matching portion 32 is located outside the base 10. The matching portion 32 is arranged along the height direction of the base 10, the matching portion 32 is located outside the base 10, and the inner wall of the matching portion 32 is provided with an internal thread 321 for threaded connection with the external thread 11 on the outer wall of the base 10. The number of turns of the internal thread 321 is adapted to the number of turns of the external thread 11, the internal thread 321 is arranged along the inner circumferential direction of the matching portion 32, and multiple turns of the internal thread 321 are equidistantly distributed along the height direction of the matching portion 32. The internal thread 321 of the matching portion 32 is threadedly connected with the external thread 11 of the base 10, so as to fix the lens 20 on the base 10, and the threaded connection between the base 10 and the lens 20 is located outside the base 10, so that the debris generated during the threaded connection process will not fall into the inner side of the base 10.
[0028] Further, refer to Figure 1 One end of the mating portion 32 away from the extending portion 31 is at a certain distance from the end face of the base 10, and an adhesive 40 for picking up fallen debris is provided between the mating portion 32 and the end face of the base 10. The adhesive 40 is arranged around the outer circumferential direction of the base 10, and the adhesive 40 is located on the end face of the base 10. When the mating portion 32 is threadedly connected to the base 10, the adhesive 40 can pick up the debris that falls during friction, so as to facilitate the handling of the debris.
[0029] Reference Figure 2 A substrate 50 is disposed at the bottom of the base 10 , the base 10 is mounted on the substrate 50 , a chip 51 is disposed on the substrate 50 , the chip 51 is electrically connected to the substrate 50 , and the base 10 and the lens 20 are both mounted directly above the chip 51 .
[0030] Further, refer to Figure 2 A filter 52 is attached directly above the chip 51 . The filter 52 is adhered to the upper surface of the chip 51 by optical glue. The lens 20 is located directly above the filter 52 . The filter 52 and the chip 51 are both accommodated inside the base 10 .
[0031] Reference Figure 1 and Figure 2 The camera module is threadedly connected with the base 10 having an external thread 11 and the matching portion 32 of the outer wall of the lens 20, so that the threaded connection between the base 10 and the lens 20 is located on the outside of the base 10, thereby preventing debris generated by friction when the lens 20 is screwed into the base 10 from falling onto the filter 52 in the base 10 and causing stains, thereby ensuring the yield rate of camera module production.
[0032] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. An external thread structure base of a camera module, characterized in that: include: A base (10), a lens (20) is connected to the top of the base (10), one end of the lens (20) extends into the base (10), an outer wall of the base (10) is provided with an external thread (11), and a connecting block (30) for threaded connection with the external thread (11) is provided on the outer side of the lens (20), wherein the connecting block (30) is located on the outer side of the base (10), and the connecting block (30) is threadedly connected to the outer wall of the base (10).
2. The external thread structure base of the camera module according to claim 1, characterized in that: The external thread (11) is arranged along the outer circumferential direction of the base (10), and the external thread (11) has multiple turns, and the multiple turns of the external thread (11) are distributed at equal distances along the height direction of the base (10).
3. The external thread structure base of the camera module according to claim 2, characterized in that: The lens (20) comprises a shell (21) and a lens (22) arranged on the shell (21); the connecting block (30) is located outside the shell (21).
4. The external thread structure base of the camera module according to claim 3, characterized in that: The connection block (30) is arranged in an inverted L shape, the connection block (30) is arranged around the outer periphery of the shell (21), and the connection block (30) and the shell (21) are integrally formed.
5. The external thread structure base of the camera module according to claim 4, characterized in that: The connecting block (30) comprises an extension portion (31) and a matching portion (32); the extension portion (31) is arranged horizontally, one end of the extension portion (31) is connected to the shell (21), one end of the matching portion (32) is connected to an end of the extension portion (31) away from the shell (21), the matching portion (32) is arranged vertically, and the matching portion (32) is located outside the base (10).
6. The external thread structure base of the camera module according to claim 5, characterized in that: The length of the extension portion (31) is longer than the thickness of the base (10), and the matching portion (32) is arranged along the height direction of the base (10).
7. The external thread structure base of the camera module according to claim 6, characterized in that: The inner wall of the matching portion (32) is provided with an internal thread (321) for threaded connection with the external thread (11); the number of turns of the internal thread (321) matches the number of turns of the external thread (11); the internal thread (321) is arranged along the inner circumferential direction of the matching portion (32); and multiple turns of the internal thread (321) are equidistantly distributed along the height direction of the matching portion (32).
8. The external thread structure base of the camera module according to claim 7, characterized in that: One end of the matching portion (32) away from the extending portion (31) is at a certain distance from the end surface of the base (10), and an adhesive (40) for picking up fallen debris is provided between the matching portion (32) and the end surface of the base (10), and the adhesive (40) is arranged in a circle along the outer circumferential direction of the base (10).
9. The external thread structure base of the camera module according to claim 8, characterized in that: A substrate (50) is arranged at the bottom of the base (10), a chip (51) is arranged on the substrate (50), and the base (10) and the lens (20) are both mounted directly above the chip (51).
10. The external thread structure base of the camera module according to claim 9, characterized in that: A filter (52) is attached to the upper surface of the chip (51), the lens (20) is located above the filter (52), and the filter (52) and the chip (51) are both accommodated in the base (10).