CN217362726U

CN217362726U - VCM motor, camera and mobile terminal device

Info

Publication number: CN217362726U
Application number: CN202220895481.7U
Authority: CN
Inventors: 欧阳建华; 徐远文; 潘涛; 张需要; 卓英吉
Original assignee: Heyuan Youhua Microelectromechanical Technology Co ltd
Current assignee: Heyuan Youhua Microelectromechanical Technology Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-09-02
Anticipated expiration: 2032-04-19

Abstract

The utility model relates to a VCM motor, camera and mobile terminal device, VCM motor include the shell, with the base of shell lock, through last spring and the carrier that the shell is connected, order about the magnetite that the carrier actuated, install the camera lens on the carrier, the upper surface of shell faces the region in nearly four corners position and is provided with protruding structure, protruding direction of protruding structure is towards the inboard of shell, go up spring and magnetite fixed mounting in protruding structure department. The utility model provides a VCM motor, the protruding structure that the punching press corresponds on the shell forms the interior convex face of leaning on that holds, holds the face of leaning on and can carry out accurate location and fixed to magnetite and spring, the use of reducible gasket, reduces production technology's the degree of difficulty, and great external force can be resisted to protruding structure simultaneously and deformation does not take place, good reliability.

Description

VCM motor, camera and mobile terminal device

Technical Field

The utility model relates to a VCM motor field particularly, especially relates to a VCM motor, camera and mobile terminal device.

Background

Along with the development of mobile phones, the requirement of people on the imaging quality of a camera of the mobile phone is higher and higher, the aperture is larger, and the internal space reserved for a voice coil motor is smaller and smaller. How to solve the drive magnet and just become the problem that must solve in the limited space of iron-clad accurate location.

There are two schemes that are currently routinely used: 1 is adding a gasket, and 2 is adopting a side punching structure to enable the shell to protrude inwards to form a small platform structure. For the first scheme, the upper surface of the shell can be made into a complete plane without any groove, and an additional built-in gasket is added for bearing and leaning of the VCM spring and the magnet, so that the VCM motor has a complex process and high cost; for the second scheme, although the lateral punching structure is adopted, the shell is in a plane state, the lateral convex structure is small, the strength is weak, the deformation and failure are easy, the structural strength is insufficient, the product performance is restricted, and meanwhile, the protruding platform is small, and the assembly of the magnet and the spring is not facilitated; improvements are urgently needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a VCM motor, the protruding structure that the punching press corresponds on the shell forms the interior convex face of leaning on that bears, and the face of leaning on can carry out accurate location and fixed to magnetite and spring, and the use of reducible gasket reduces production technology's the degree of difficulty, and great external force can be resisted to protruding structure simultaneously and deformation does not take place, good reliability.

The purpose of the utility model is realized through the following technical scheme:

a VCM motor comprises a shell, a base buckled with the shell, a carrier connected with the shell through an upper spring, and a magnet driving the carrier to actuate, wherein a lens is installed on the carrier, a protruding structure is arranged in an area, close to a four-corner position, of the upper surface of the shell, and the upper spring and the magnet are fixedly installed at the protruding structure. The front side of the shell is punched to form a groove structure, and the protruding structure is the back side of the groove structure.

Different from the method of traditional built-in gasket of motor, this application has saved this part of built-in gasket through protruding structure again, reduces the quantity of VCM motor component parts to increase VCM motor inner space. The utility model discloses a cell-phone structure, the protruding structure is by the back of the groove structure of the positive punching press formation of shell, the upper surface four corners region of shell is avoided to this groove structure's position, guarantee that the upper surface four corners region of shell is level and smooth, make the upper surface of shell have sufficient plane region to be used for the module sealed, especially, the regional planarization in four corners of the upper surface of shell is good, make things convenient for cell-phone structural design, use the cell-phone of this VCM motor, a compact structure for compressing tightly this VCM motor can play more effectively, it fixes the effect to press the fastening lastingly, compact structure can direct action be regional in plane structure's shell four corners, can reduce the design degree of difficulty of camera module in the cell-phone.

In the traditional motor, the upper surface of the shell is designed to be completely planar, but a gasket is required to be arranged in the shell, but the gasket is not required to be arranged in the motor, and the lug with a special structure is adopted to replace the built-in gasket so as to realize the assembly and fixation of the magnet and the upper spring, so that the component cost and the process cost can be practically reduced. The convex block is of a rectangular structure and has larger deformation resistance, the magnet is assembled into the convex block in the shell through the automatic assembling mechanism in the production process, and the convex block has a limiting effect, so that the position where the magnet and the upper spring are fixed is more accurate.

Optionally, in a possible implementation manner, the protrusion structure includes a plurality of protrusion groups located in a four-corner region of the upper surface of the housing, and each protrusion group includes a plurality of protrusions. The lug has a piece top surface and three piece side, the piece top surface is parallel to each other with the upper surface of shell, the upper surface of going up the spring is laminated with the lower surface of piece top surface each other.

The lug is the fixed plane of last spring and magnetite, because the lug has avoided the shell on the four corners region, the shell upper surface four corners region has also been avoided to bellied back recess, so the regional planarization in four corners of the upper surface of shell is good for the upper surface of shell has sufficient plane region to be used for the module sealed, reduces compact structure's the design degree of difficulty, has made things convenient for the design of the follow-up product of using this VCM motor greatly. Observe the shell from the outside of shell, can see directly perceivedly that the lug is the back at the indent structure that shell department formed, and observe the shell from the inboard of shell, this lug is the boss towards inside that forms in shell department, and the boss can be the rectangle, also can be trapezoidal, and all bosses are for unifying highly in order to guarantee that spring and magnetite fix at same height, and behind the spring was placed to the boss position, the glue spreader was used for assembling fixed magnetite.

Optionally, in a possible implementation manner, the block top surface is connected with the side wall of the housing, the upper ends of the three block side surfaces are connected with the upper surface of the housing, and the lower ends of the three block side surfaces are connected with the block top surface, the three block side surfaces and the housing are integrally formed.

The piece top surface, three piece side are with shell integrated into one piece, piece top surface, three piece sides, shell be integrated into one piece spare, and integrated into one piece spare does not have the concatenation vestige, puts into make-up machine one shot forming with the material and produces, and the product is whole not to have the concatenation vestige, and the quality is better relatively, and life is more permanent, compares in the components of a whole that can function independently piece that the later stage is connected, and the structure hardness strength of an integrated piece will be more firm, and the components of a whole that can function independently piece that the later stage is connected is hidden weak point in the gap department.

Optionally, in a possible implementation, the shape of the plurality of bumps is the same, and the cross section of the bump is rectangular or trapezoidal.

The rectangular and trapezoidal section bumps can provide good support, and the fixing effect of the upper spring and the magnet is durable and reliable.

According to another aspect of the present invention, there is provided a camera including the VCM motor described above.

This camera can contain a plurality of above-mentioned VCM motors, and the shell upper surface level area of VCM motor is big, and especially the four corners of shell upper surface does not have sunkenly, and for smooth plane, the upper surface of shell has sufficient plane region to be used for the module sealed, reduces the VCM motor compact structure's the design degree of difficulty, has made things convenient for the product structural design of the camera of using this VCM motor greatly.

According to another aspect of the present invention, there is provided a mobile terminal device including the above-mentioned camera.

The mobile terminal device comprises the miniaturized and high-quality camera, and provides support for improving the stability of internal space devices of the mobile terminal device.

Optionally, in a possible implementation manner, the mobile terminal device includes at least one of a mobile phone, an information carrying terminal, and a notebook computer.

The mobile terminal device can be a mobile phone, can also be a portable information terminal, and can also be a notebook computer and other digital products which are more and more common in life.

The utility model discloses compare in prior art's beneficial effect be:

the utility model discloses a VCM motor, different with the way of traditional motor built-in gasket, this application is through protruding structure again, has saved this part of built-in gasket, reduces the quantity that VCM motor constitutes the part to increase VCM motor inner space. The utility model discloses a cell-phone structure, the protruding structure is by the back of the groove structure of the positive punching press formation of shell, the upper surface four corners region of shell is avoided to this groove structure's position, guarantee that the upper surface four corners region of shell is level and smooth, make the upper surface of shell have sufficient plane region to be used for the module sealed, especially, the regional planarization in four corners of the upper surface of shell is good, make things convenient for cell-phone structural design, use the cell-phone of this VCM motor, a compact structure for compressing tightly this VCM motor can play more effectively, it fixes the effect to press the fastening lastingly, compact structure can direct action be regional in plane structure's shell four corners, can reduce the design degree of difficulty of camera module in the cell-phone.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is an exploded view of a VCM motor according to an embodiment of the present invention.

Fig. 2 is an exploded view of the VCM motor at another angle according to an embodiment of the present invention.

Fig. 3 is a perspective view of a VCM motor according to an embodiment of the present invention.

Fig. 4 is a perspective view of a VCM motor according to another embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. In the description of the embodiments of the present application, it should be understood that the terms "upper", "lower", "vertical", "horizontal", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when products of the application are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used merely for convenience of description and simplification of the description, and do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The technical solution in the present application will be described below with reference to the accompanying drawings.

The embodiment provides a VCM motor, including

shell

1, 2 with the base of shell 1 lock, through carrier 4 that upper spring 3 is connected with shell 1, order about the magnetite 5 that carrier 4 moved, 4 bottoms of carrier are through lower spring 10 and base 2 elastic connection, install camera lens 6 on the carrier 4, the region that the upper surface of shell 1 faces nearly four corners position is provided with protruding structure, upper spring 3 and magnetite 5 fixed mounting are in protruding structure department. The front surface of the shell is punched to form a groove structure, and the protruding structure is formed by the back surface of the groove structure. As can also be seen in fig. 3, the raised back is visible from the front of the housing, and the raised back is the recessed groove 11.

Different from the method of traditional built-in gasket of motor, this application has saved this part of built-in gasket through protruding structure again, reduces the quantity of VCM motor component parts to increase VCM motor inner space. Concretely, protruding structure is the back of the groove structure who is formed by the positive punching press of shell, the upper surface four corners region of shell 1 is avoided to this groove structure's position, guarantee that the upper surface four corners region of shell 1 levels, make the upper surface of shell 1 have sufficient plane region to be used for the module sealed, especially the regional planarization in four corners of the upper surface of shell 1 is good, make things convenient for mobile phone structural design, the cell-phone that uses this VCM motor, compact structure can direct action be regional in the shell four corners of plane structure, a compact structure for compressing tightly this VCM motor can play more effectively, press the fastening fixed action lastingly, can reduce the design degree of difficulty of camera module in the cell-phone.

It should be noted that, in this embodiment, the protrusion structure includes a plurality of protrusion groups located in the four-corner region of the upper surface of the housing 1, and each protrusion group includes a plurality of protrusions 7. The projection 7 has a block top surface 8 and three block side surfaces 9, the block top surface 8 is parallel to the upper surface of the housing 1, and the upper surface of the upper spring 3 is attached to the lower surface of the block top surface 8.

The lug is the fixed plane of going up spring 3 and magnetite 5, because the lug has avoided the 1 upper surface four corners region of shell, and the bellied back is the recess and has also avoided the four corners region of shell upper surface equally promptly, so the regional planarization in four corners of the upper surface of shell 1 is good, makes the upper surface of shell 1 have sufficient plane region to be used for the module sealed, reduces compact structure's the design degree of difficulty, has made things convenient for the design of the follow-up product of using this VCM motor greatly. Observe the shell from the outside of shell, can see directly perceivedly that the lug is the back of the indent structure that forms in shell department, and observe the shell from the inboard of shell, this lug is the boss towards the shell inside that forms in shell department, and the boss can be the rectangle, also can be trapezoidal, and all bosses are uniform height in order to guarantee that spring and magnetite fix at same height, and behind the spring was placed to the boss position, the glue coating is used for assembling fixed magnetite.

In this embodiment, the block top surface 8 is connected to the side wall of the housing 1, the upper ends of the three block side surfaces 9 are connected to the upper surface of the housing 1, and the lower ends are connected to the block top surface 8, the three block side surfaces 9, and the housing 1 are integrally formed.

Piece top surface 8, three piece side 9 are with shell 1 integrated into one piece, piece top surface 8, three piece side 9, shell 1 is integrated into one piece spare, integrated into one piece spare does not have the concatenation vestige, put into make-up machine one shot forming with the material and produce, the product is whole not to have the concatenation vestige, relatively speaking the quality is better, life is more permanent, compare in the components of a whole that can function independently spare that the later stage is connected, the structure hardness intensity of an integrated spare will be many firmly, the components of a whole that can function independently spare that the later stage is connected, the weak point is hidden in the gap department.

In this embodiment, the bumps 7 have the same shape, and the cross section of the bump 7 is rectangular. As shown in fig. 4, the cross-section of the bump may be trapezoidal in other embodiments.

The rectangular and trapezoidal section bumps 7 can provide good support, and ensure the durable and reliable fixing effect of the upper spring 3 and the magnet 5.

In other embodiments, the camera may also include the integrated motor.

In other embodiments, the mobile terminal device may also include the above-mentioned camera. The mobile terminal device can be any one or more of a mobile phone, a portable information terminal and a notebook computer, and comprises the miniaturized and high-quality camera, so that support is provided for improving the internal space utilization rate of the mobile terminal device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a VCM motor, its characterized in that, include the shell, with the base of shell lock, through last spring and the carrier that the shell is connected, order about the magnetite that the carrier moved, install the camera lens on the carrier, the upper surface of shell faces the region of nearly four corners position and is provided with protruding structure, protruding direction of protruding structure is towards the inboard of shell, go up spring and magnetite fixed mounting in protruding structure department.

2. A VCM motor according to claim 1, wherein the front side of the housing is stamped with a groove structure and the raised structure is the back side of the groove structure.

3. A VCM motor according to claim 1, wherein the convex structure comprises a plurality of convex groups located at four corners of the upper surface of the casing, each convex group comprising a plurality of convex blocks.

4. A VCM motor according to claim 3, wherein said projection has a block top surface and three block side surfaces, said block top surface and an upper surface of the housing are parallel to each other, and an upper surface of said upper spring and a lower surface of the block top surface are attached to each other.

5. A VCM motor as claimed in claim 4, wherein the block top face meets the side wall of the casing, the upper ends of the three block sides meet the upper surface of the casing, and the lower ends meet the block top face.

6. A VCM motor as claimed in claim 4, wherein said block top face, three block side faces, housing are integrally formed.

7. A VCM motor according to claim 3, wherein the plurality of protrusions have the same shape, and the cross section of the protrusion is rectangular or trapezoidal.

8. A camera characterized by comprising the VCM motor according to any one of claims 1 to 7.

9. A mobile terminal device characterized by comprising the camera of claim 8.

10. The mobile terminal device according to claim 9, wherein the mobile terminal device comprises at least one of a cellular phone, an information carrying terminal, and a notebook computer.