An optical device fixing structure, a camera module, and an electronic device

Abstract

The utility model discloses a kind of optical device fixing structure, camera module and electronic equipment, it is related to image device technical field, wherein, optical device fixing structure includes: optical device and mounting bracket, mounting bracket is embedded with metal sheet, metal sheet has mounting hole, the circumference of mounting hole has gap;The circumference of optical device has limit lug, at least part of limit lug is suitable for inserting into the gap of metal sheet, limit lug has first limit part and second limit part, optical device is rotated in mounting hole to make first limit part abut on the upper surface of metal sheet, make second limit part abut on the lower surface of metal sheet.The utility model technical scheme, set up metal sheet in mounting bracket, and the mounting hole for installing optical device is set on metal sheet. In this way, when optical device is installed, metal sheet can support it, and then improve the support strength of optical device, ensure the stability of optical device installation.

Description

Technical Field

[0001] This utility model relates to the field of imaging equipment technology, specifically to an optical device fixing structure, a camera module, and an electronic device. Background Technology

[0002] The optical components of a camera module need to be fixedly mounted on a bracket, typically using adhesive bonding to connect the sidewalls of the optical components to the bracket. However, as the motors inside camera modules become thinner, the bonding surface between the sidewalls of the optical components and the bracket also becomes lower, resulting in shorter guide sections. Consequently, it becomes difficult to guarantee the perpendicularity of the optical axis when relying solely on adhesive bonding to connect the optical components.

[0003] Chinese patent document CN217902145U discloses a lens module, including: a lens bracket, the lens bracket having an upper fastening protrusion and a lower fastening protrusion for engaging a lens barrel, the lens barrel being rotated to insert its fastening blades between the upper and lower fastening protrusions, thereby completing the positioning and installation of the lens barrel.

[0004] However, with the above solution, as the motor inside the camera module becomes thinner and thinner, the upper and lower fastening protrusions on the lens bracket also become thinner and thinner, which gradually makes it impossible to meet the requirements for the clamping strength of the lens barrel. Utility Model Content

[0005] In view of this, the present invention provides an optical device fixing structure, a camera module and an electronic device to solve the problem of stable installation of optical devices.

[0006] This utility model provides an optical device fixing structure, including: an optical device and a mounting bracket, wherein a metal sheet is embedded in the mounting bracket, the metal sheet has a mounting hole for the optical device to pass through, and the mounting hole has a notch in the circumferential direction;

[0007] The optical device has a circumferentially oriented limiting protrusion, at least a portion of which is adapted to be inserted into a notch in the metal sheet. The limiting protrusion has a first limiting portion and a second limiting portion. The optical device is rotated within the mounting hole so that the first limiting portion abuts against the upper surface of the metal sheet and the second limiting portion abuts against the lower surface of the metal sheet.

[0008] This invention involves placing a metal plate inside a mounting bracket, with mounting holes for optical components made on the metal plate. This allows the metal plate to support the optical components after installation, thereby increasing the support strength and ensuring the stability of the installation.

[0009] Optionally, the limiting protrusion includes an upper limiting block and a lower limiting block, with the first limiting portion disposed on the lower surface of the upper limiting block and the second limiting portion disposed on the upper surface of the lower limiting block. This configuration allows for precise axial positioning of the optical device. When the optical device is rotated into position, the first limiting portion of the upper limiting block tightly abuts against the upper surface of the metal sheet, and the second limiting portion of the lower limiting block tightly abuts against the lower surface of the metal sheet, thus strictly defining the axial position of the optical device.

[0010] Optionally, the upper limit block and the lower limit block are staggered vertically, with the circumferential length of the upper limit block being greater than the circumferential length of the notch. This arrangement ensures that when the lower limit block is inserted into the notch and the optical device is rotated into position, the lower surface of the upper limit block abuts against the upper surface of the metal sheet, and the upper surface of the lower limit block abuts against the lower surface of the metal sheet, thereby achieving axial positioning of the optical device.

[0011] Optionally, the mounting bracket has an upper limit slot for embedding the upper limit block. The upper limit slot is located above the metal sheet, and its circumferential length is greater than that of the limiting protrusion. This configuration ensures that the upper limit block can be smoothly embedded into the upper limit slot, which provides a circumferential constraint, significantly limiting the circumferential displacement of the optical device after installation. Even if the device is subjected to external vibrations, impacts, or other disturbances during operation, the upper limit block remains firmly confined within the upper limit slot, preventing circumferential rotation of the optical device and maintaining the stability of the optical system.

[0012] Optionally, after the optical component rotates within the mounting hole, adhesive is filled into the upper limit slot. This arrangement allows the adhesive to cure and tightly bond the upper limit block to the upper limit slot. This not only further restricts the circumferential rotation of the optical component but also makes the optical component more stable in the axial direction because the adhesive fills any tiny gaps that may exist between the upper limit block and the upper limit slot.

[0013] Optionally, the mounting bracket has a lower limiting groove for embedding the lower limiting block, the lower limiting groove being located below the metal sheet, and the circumferential length of the lower limiting groove being greater than the circumferential length of the lower limiting block. This configuration allows the lower limiting block to be embedded within the lower limiting groove, and combined with the cooperation of the upper limiting groove and the upper limiting block, achieves more precise and stable circumferential positioning of the optical device from both vertical and horizontal directions.

[0014] Optionally, the circumferential length of the lower limiting groove is greater than or equal to twice the circumferential length of the notch. With this configuration, after installation, if the circumferential position of the optical component needs adjustment, the larger circumferential length of the lower limiting groove allows the installer to easily rotate the optical component, moving the lower limiting block to a new position within the groove, thus achieving fine-tuning of the circumferential position.

[0015] Optionally, the limiting protrusions have at least three spaced apart. This arrangement allows for more uniform force distribution between the optical device and the metal sheet within the mounting hole. Multiple limiting protrusions apply pressure to the metal sheet from different positions, avoiding localized stress concentrations that could result from single-point or two-point force application.

[0016] This utility model also provides a camera module, including: a housing and an optical device fixing structure as described in any of the above solutions, which has the advantages described in any of the above solutions.

[0017] This utility model also provides an electronic device, including: the camera module described in the above solution, which has the advantages described in any of the above-mentioned claims. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 A perspective view of an optical device fixing structure provided for an embodiment of this utility model;

[0020] Figure 2 for Figure 1 A 3D view of the mounting bracket in the middle;

[0021] Figure 3 for Figure 2 A three-dimensional view of the metal sheet in the middle;

[0022] Figure 4 for Figure 1 A three-dimensional view of optical components;

[0023] Figure 5 A perspective view of a camera module provided for an embodiment of this utility model.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Optical components; 2. Mounting bracket; 3. Metal sheet; 4. Mounting hole; 5. Notch; 6. Limiting protrusion; 7. Upper limit block; 8. Lower limit block; 9. Upper limit groove; 10. Lower limit groove; 11. Housing. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0027] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0030] like Figure 1 As shown, this is a specific implementation of the optical device 1 fixing structure provided in this embodiment, including: optical device 1 and mounting bracket 2.

[0031] like Figure 2 , Figure 3As shown, a metal sheet 3 is embedded in the mounting bracket 2. The metal sheet 3 has a mounting hole 4 for the optical device 1 to pass through, and the mounting hole 4 has a notch 5 in its circumferential direction. Specifically, in this embodiment, the metal sheet 3 is integrally formed with the body of the mounting bracket 2 using a secondary injection molding method. That is to say, the body of the mounting bracket 2 is a plastic part.

[0032] like Figure 4 As shown, the optical device 1 has a circumferential limiting protrusion 6, at least a portion of which is adapted to be inserted into the notch 5 of the metal sheet 3. The limiting protrusion 6 has a first limiting portion and a second limiting portion. The optical device 1 rotates within the mounting hole 4 to make the first limiting portion abut against the upper surface of the metal sheet 3 and the second limiting portion abut against the lower surface of the metal sheet 3.

[0033] In this embodiment, a metal sheet 3 is provided inside the mounting bracket 2, and mounting holes 4 for mounting the optical device 1 are formed on the metal sheet 3. In this way, after the optical device 1 is installed, the metal sheet 3 can provide support, thereby increasing the support strength for the optical device 1 and ensuring the stability of the installation.

[0034] like Figure 4 As shown, in this embodiment, the limiting protrusion 6 includes an upper limiting block 7 and a lower limiting block 8. The first limiting part is disposed on the lower surface of the upper limiting block 7, and the second limiting part is disposed on the upper surface of the lower limiting block 8. This configuration enables precise axial positioning of the optical device 1. When the optical device 1 is rotated into position, the first limiting part of the upper limiting block 7 tightly abuts against the upper surface of the metal sheet 3, and the second limiting part of the lower limiting block 8 tightly abuts against the lower surface of the metal sheet 3, thus strictly limiting the axial position of the optical device 1.

[0035] like Figure 4 As shown, in this embodiment, the upper limit block 7 and the lower limit block 8 are staggered vertically, and the circumferential length of the upper limit block 7 is greater than the circumferential length of the notch 5. With this arrangement, when the lower limit block 8 is inserted into the notch 5 and the optical device 1 is rotated into position, the lower surface of the upper limit block 7 abuts against the upper surface of the metal sheet 3, and the upper surface of the lower limit block 8 abuts against the lower surface of the metal sheet 3, thereby achieving axial positioning of the optical device 1.

[0036] Of course, the above description is not limiting. In some alternative embodiments, the upper limit block 7 and the lower limit block 8 may also be provided at intervals. That is, the upper limit block 7 and the lower limit block 8 may not be connected.

[0037] like Figure 1 , Figure 2As shown, in this embodiment, the mounting bracket 2 has an upper limit groove 9 for embedding the upper limit block 7. The upper limit groove 9 is located above the metal sheet 3, and the circumferential length of the upper limit groove 9 is greater than the circumferential length of the limiting protrusion 6. This configuration ensures that the upper limit block 7 can be smoothly embedded into the upper limit groove 9. The upper limit groove 9 forms a circumferential constraint on the embedded upper limit block 7, greatly limiting the circumferential displacement of the optical device 1 after installation. Even if the device is subjected to external vibration, impact, or other disturbances during operation, the upper limit block 7 is firmly confined within the upper limit groove 9, preventing the optical device 1 from rotating circumferentially and maintaining the stability of the optical system.

[0038] like Figure 1 , Figure 2 As shown, in this embodiment, after the optical device 1 rotates within the mounting hole 4, adhesive is filled into the upper limit groove 9. This arrangement ensures that the adhesive, once cured, tightly bonds the upper limit block 7 to the upper limit groove 9. This not only further restricts the circumferential rotation of the optical device 1, but also makes the optical device 1 more stable in the axial direction because the adhesive fills any tiny gaps that may exist between the upper limit block 7 and the upper limit groove 9.

[0039] like Figure 1 , Figure 2 As shown, in this embodiment, the mounting bracket 2 has a lower limiting groove 10 for embedding the lower limiting block 8. The lower limiting groove 10 is located below the metal sheet 3, and the circumferential length of the lower limiting groove 10 is greater than the circumferential length of the lower limiting block 8. This arrangement allows the lower limiting block 8 to be embedded within the lower limiting groove 10. Combined with the cooperation of the upper limiting groove 9 and the upper limiting block 7, more precise and stable circumferential positioning of the optical device 1 is achieved from both the upper and lower directions.

[0040] like Figure 1 , Figure 2 As shown, in this embodiment, the circumferential length of the lower limiting groove 10 is greater than or equal to twice the circumferential length of the notch 5. With this configuration, after installation, if it is necessary to adjust the circumferential position of the optical device 1, the installer can easily rotate the optical device 1 due to the large circumferential length of the lower limiting groove 10, so that the lower limiting block 8 can be moved to a new position within the limiting groove, thereby achieving fine adjustment of the circumferential position.

[0041] like Figure 1 , Figure 2 As shown, in this embodiment, the limiting protrusions 6 are arranged at least three at intervals. This arrangement allows for a more uniform force distribution between the optical device 1 and the metal sheet 3 within the mounting hole 4. The multiple limiting protrusions 6 apply pressure to the metal sheet 3 from different positions, avoiding localized stress concentrations that might result from single-point or two-point force application.

[0042] The assembly process of the fixed structure of the optical device 1 provided in this embodiment includes the following steps:

[0043] Align the lower limit block 8 of the optical device 1 with the notch 5 of the metal sheet 3 and insert it therein, so that the first limiting part of the upper limit block 7 abuts against the upper surface of the metal sheet 3.

[0044] Slowly rotate the optical device 1 so that the second limiting part of the lower limiting block 8 abuts against the lower surface of the metal sheet 3, completing the initial axial positioning of the optical device 1. At this time, the upper limiting block 7 is embedded in the upper limiting groove 9 of the mounting bracket 2, and the lower limiting block 8 is embedded in the lower limiting groove 10, realizing the initial circumferential positioning of the optical device 1.

[0045] Filling and fixing with adhesive: Fill the upper limit groove 9 and / or lower limit groove 10 with an appropriate amount of adhesive, ensuring that the adhesive is evenly distributed between the upper limit block 7 and the upper limit groove 9, or evenly distributed between the lower limit block 8 and the lower limit groove 10. Wait for the adhesive to cure, avoiding vibration or external force interference to the optical device 1 and the mounting bracket 2 during this process, ensuring that the upper limit block 7 and the upper limit groove 9 are tightly bonded after the adhesive has cured, or that the lower limit block 8 and the lower limit groove 10 are tightly bonded, thus completing the fixed installation of the optical device 1.

[0046] An embodiment of this utility model also provides a camera module, such as... Figure 5 As shown, it includes: a housing 11 and a fixing structure for the optical device 1 as described in any of the above embodiments, wherein a portion of the optical device 1 is exposed outside the housing 11.

[0047] An embodiment of this utility model also provides an electronic device, including: the camera module described in the above solution. The electronic device specifically includes a mobile phone, a camera, etc.

[0048] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the present invention.

Claims

1. A fixing structure for an optical device, characterized in that, include: Optical device (1) and mounting bracket (2), wherein a metal sheet (3) is embedded in the mounting bracket (2), the metal sheet (3) having a mounting hole (4) for passing through the optical device (1), and the mounting hole (4) having a notch (5) in the circumferential direction; The optical device (1) has a circumferential limiting protrusion (6), at least a portion of which is adapted to be inserted into a notch (5) of the metal sheet (3). The limiting protrusion (6) has a first limiting portion and a second limiting portion. The optical device (1) rotates within the mounting hole (4) such that the first limiting portion abuts against the upper surface of the metal sheet (3) and the second limiting portion abuts against the lower surface of the metal sheet (3).

2. The optical device fixing structure according to claim 1, characterized in that, The limiting protrusion (6) includes an upper limiting block (7) and a lower limiting block (8). The first limiting part is disposed on the lower surface of the upper limiting block (7), and the second limiting part is disposed on the upper surface of the lower limiting block (8).

3. The optical device fixing structure according to claim 2, characterized in that, The upper limit block (7) and the lower limit block (8) are staggered vertically, and the circumferential length of the upper limit block (7) is greater than the circumferential length of the notch (5).

4. The optical device fixing structure according to claim 3, characterized in that, The mounting bracket (2) has an upper limit groove (9) for embedding the upper limit block (7), the upper limit groove (9) being located above the metal sheet (3), and the circumferential length of the upper limit groove (9) being greater than the circumferential length of the limiting protrusion (6).

5. The optical device fixing structure according to claim 4, characterized in that, After the optical device (1) is rotated in the mounting hole (4), it is filled with glue in the upper limit groove (9).

6. The optical device fixing structure according to claim 3, characterized in that, The mounting bracket (2) has a lower limiting groove (10) for embedding the lower limiting block (8), the lower limiting groove (10) being located below the metal sheet (3), and the circumferential length of the lower limiting groove (10) being greater than the circumferential length of the lower limiting block (8).

7. The optical device fixing structure according to claim 6, characterized in that, The circumferential length of the lower limiting groove (10) is greater than or equal to twice the circumferential length of the notch (5).

8. The optical device fixing structure according to any one of claims 1-7, characterized in that, The limiting protrusion (6) has at least three spaced apart.

9. A camera module, characterized in that, include: The housing (11) and the optical device (1) fixation structure according to any one of claims 1-8.

10. An electronic device, characterized in that, include: The camera module as described in claim 9.

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