A miniaturized af motor, camera and mobile terminal device

Abstract

The utility model discloses a kind of miniaturization AF motor, camera and mobile terminal device, it is related to AF motor technical field, including shell, the base of shell buckling, carrier connected with the shell by spring, and drive the magnet of carrier action, lens is installed on the carrier, the shell with the carrier uses adapted rectangular structure, and the base two sides are respectively equipped with the asymmetric distribution limit rod, damping rubber is integrated between adjacent limit rod. Advantageous effect: solve the technical problem that conventional small specification product cannot set damping rubber due to space limitation, and damping rubber can effectively reduce the transmission of energy, avoid resonance, significantly improve the stability and reliability of motor operation.

Description

Technical Field

[0001] This utility model relates to the field of AF motor technology, specifically to a miniaturized AF motor, camera, and mobile terminal device. Background Technology

[0002] With the development of mobile devices such as smartphones, people have increasingly higher requirements for the image quality of their cameras, resulting in larger and larger apertures and less and less internal space left for voice coil motors (including AF motors, VCM motors, etc.). How to ensure stable motor performance and compact structure within a limited space has become an urgent problem to be solved.

[0003] Currently, most conventional AF motors adopt a square symmetrical structure. For small-sized products, such as those with dimensions of 8.4*9.3 mm, space constraints prevent the installation of damping rubber, resulting in insufficient product performance stability. Furthermore, traditional motors often use corner or perimeter magnets, which occupy a significant amount of space, and reducing the number of magnets cannot guarantee that performance will not be affected.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0005] In view of the problems in related technologies, the purpose of this utility model is to propose a miniaturized AF motor, camera and mobile terminal device to solve the problems of low space utilization, insufficient performance stability and unreasonable magnet layout of existing AF motors.

[0006] The technical solution of this utility model is implemented as follows:

[0007] One aspect of this utility model is:

[0008] A miniaturized AF motor includes a housing, a base that snaps into the housing, a carrier connected to the housing by a spring, and a magnet that drives the carrier to actuate. A lens is mounted on the carrier.

[0009] The outer shell and the carrier adopt a compatible rectangular structure, and the base is provided with asymmetrically distributed limiting rods on both sides, with damping rubber integrated between adjacent limiting rods.

[0010] Furthermore, the damping adhesive is located in the gap between the outer shell and the carrier to absorb vibrations when the carrier is in motion, thereby improving the stability of the motor operation.

[0011] Furthermore, the magnets are in two sets, and the two sets of magnets are symmetrically arranged on both sides of the carrier.

[0012] Another aspect of this utility model:

[0013] A camera comprising the miniaturized AF motor described above.

[0014] Another aspect of this utility model:

[0015] A mobile terminal device includes the camera described above, wherein the mobile terminal device includes at least one of a mobile phone, a portable information terminal, and a laptop computer.

[0016] The beneficial effects of this utility model are:

[0017] Compared to traditional AF motors, this invention changes the product from a square to a rectangle and adopts an internal asymmetrical structure, successfully integrating damping adhesive within a small space. This solves the technical problem of not being able to install damping adhesive in conventional small-sized products due to space limitations. The damping adhesive effectively reduces energy transfer, avoids resonance, and significantly improves the stability and reliability of motor operation. Simultaneously, the use of a single-sided symmetrical two-set magnet structure, compared to the traditional four-corner or four-sided magnet layout, ensures that the driving force performance is no less than that of traditional multi-magnet layout products while reducing the number of magnets. This saves material costs and further reduces internal space occupation, making the overall structure more compact and better suited to the installation requirements of mobile terminal devices with limited internal space.

[0018] Furthermore, this design eliminates the need for complex auxiliary components or additional processes, simplifying the production process, reducing manufacturing difficulty and costs, and facilitating mass production. Applying this motor to cameras and mobile devices can improve the imaging quality and durability of camera modules, providing strong support for achieving high-quality shooting functions in mobile devices within limited spaces, demonstrating significant practical value and market potential.

[0019] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention are realized and obtained through the structures particularly pointed out in the description and the accompanying drawings.

[0020] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of a miniaturized AF motor according to an embodiment of the present utility model;

[0023] Figure 2 This is a schematic diagram of the carrier of a miniaturized AF motor according to an embodiment of the present utility model;

[0024] Figure 3 This is a schematic diagram of the magnet of a miniaturized AF motor according to an embodiment of the present invention.

[0025] In the picture:

[0026] 1. Outer shell; 2. Base; 3. Carrier; 4. Spring; 5. Limiting rod; 6. Magnet. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.

[0028] According to an embodiment of the present invention, a miniaturized AF motor is provided.

[0029] like Figures 1-3 As shown, a miniaturized AF motor includes a housing 1, a base 2, a carrier 3, a spring 4, a lens (not shown in the figure), a magnet 6, and damping rubber (not shown in the figure).

[0030] The outer shell 1 and the base 2 are fastened together to form an internal cavity. The carrier 3 is installed in the cavity by a spring 4. The lens is fixed on the carrier 3. The magnet 6 is installed inside the outer shell 1 to drive the carrier 3 to move.

[0031] The outer shell 1 and the carrier 3 adopt a rectangular shape of 8.4*9.3 mm, which provides more space in the length direction compared to the traditional square structure. The asymmetrical distribution inside the outer shell 1 and the base 2 is formed by adjusting the limiting rod 5 and the matching recessed distribution. This avoids the installation positions of the spring 4 and the magnet 6, and also provides space for the damping adhesive. The damping adhesive is placed in the asymmetrical distribution gap between the outer shell 1 and the carrier 3 to effectively reduce energy transfer and avoid resonance. The energy source may be the vibration motor, speaker, etc. around the camera motor, thus improving the stability of motor operation.

[0032] In addition, the above-mentioned magnets 6 are in two sets, made of high magnetic material, and symmetrically installed inside the outer shell 1. The polarities of the two sets of magnets 6 are opposite, and the magnetic field formed can interact with the coil on the carrier 3 (not shown in the figure) to generate sufficient driving force to ensure that the carrier 3 drives the lens to move accurately. Its driving force performance is consistent with that of products with traditional four sets of magnets, which can ensure that the driving force of the carrier meets the usage requirements.

[0033] This embodiment also provides a camera that includes the aforementioned miniaturized AF motor. Due to the small size and stable performance of the AF motor, the structure of the camera module is more compact, which is beneficial to improving the imaging quality and durability of the camera.

[0034] This embodiment also provides a mobile terminal device, such as a mobile phone, which includes the aforementioned camera and can achieve high-quality shooting functions within a limited body space, meeting users' high requirements for the photography performance of mobile devices.

[0035] In summary, by utilizing the above-described technical solution of this utility model, the following effects can be achieved:

[0036] Compared to traditional AF motors, this invention reshapes the product from a square to a rectangle and employs an internal asymmetrical structure. This successfully integrates damping adhesive within a small space, solving the technical challenge of space constraints preventing the installation of damping adhesive in conventional small-sized products. The damping adhesive effectively reduces energy transfer, avoids resonance, and significantly improves the stability and reliability of motor operation. Simultaneously, the use of a single-sided symmetrical two-set magnet structure, compared to traditional four-corner or four-sided magnet layouts, ensures driving force performance is comparable to traditional multi-magnet layouts while reducing the number of magnets. This saves material costs and further reduces internal space requirements, resulting in a more compact overall structure that better suits the limited internal space of mobile terminal devices. Furthermore, this design eliminates the need for complex auxiliary components or additional processes, simplifying the production process, reducing manufacturing difficulty and costs, and facilitating mass production. Applying this motor to cameras and mobile terminal devices can improve the imaging quality and durability of camera modules, providing strong support for high-quality shooting in limited spaces, demonstrating significant practical value and market potential.

[0037] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A miniaturized AF motor, characterized in that, The device includes a housing (1), a base (2) that engages with the housing (1), a carrier (3) connected to the housing (1) via a spring (4), and a magnet (6) that drives the carrier (3) to actuate. A lens is mounted on the carrier (3). Its features include: The outer shell (1) and the carrier (3) adopt a matching rectangular structure, and the base (2) is provided with asymmetrically distributed limiting rods (5) on both sides, and damping rubber is integrated between adjacent limiting rods (5).

2. The miniaturized AF motor according to claim 1, characterized in that, The damping adhesive is located in the gap between the outer shell (1) and the carrier (3) to absorb the vibration when the carrier (3) is in motion and improve the stability of the motor operation.

3. A miniaturized AF motor according to claim 1, characterized in that, The magnets (6) are in two sets, and the two sets of magnets (6) are symmetrically arranged on both sides of the carrier (3).

4. A camera, characterized in that: Includes the miniaturized AF motor according to any one of claims 1-3.

5. A mobile terminal device, characterized in that: The mobile terminal device includes the camera of claim 4, comprising at least one of a mobile phone, a portable information terminal, and a laptop computer.

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