CN216290623U

CN216290623U - Integrated lens motor and mounting structure thereof

Info

Publication number: CN216290623U
Application number: CN202122608302.5U
Authority: CN
Inventors: 叶建华; 潘涛; 卓英吉; 张需要
Original assignee: Heyuan Youhua Microelectromechanical Technology Co ltd
Current assignee: Heyuan Youhua Microelectromechanical Technology Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-12
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to an integrated lens motor and a mounting structure thereof, the mounting structure comprises: integrative camera lens, lower spring and coil, integrative camera lens bottom are provided with down the boss, and lower boss is provided with the depressed area, and lower spring and coil cover according to the preface on locating down the boss, and the coil forms semi-closed injecting glue groove with the depressed area, and the coil has the end of leading to, is provided with the electrode region on the lower spring, and the end of leading to and electrode region lie in the injecting glue inslot simultaneously, and the injecting glue groove is filled there is conductive adhesive layer. The mounting structure effectively simplifies the processing technology of the coil and the conduction in the processing process of the integrated lens motor, so that the integral production process of the integrated lens motor can adopt the processing direction from top to bottom, the production difficulty is greatly reduced, and the production efficiency is effectively improved.

Description

Integrated lens motor and mounting structure thereof

Technical Field

The utility model relates to the technical field of an integrated lens motor, in particular to an integrated lens motor and a mounting structure thereof.

Background

The VCM (Voice Coil Motor) motor changes the camera of the smart phone from fixed focus to automatic focusing, thoroughly arouses the enthusiasm of people for the camera, and has the greatest effect of enabling the camera to automatically focus.

The shell and the base of the traditional VCM motor lens are immobile components, and the magnets are arranged around the shell and fixed. The coil is wound on the outer ring of the carrier and is combined with the carrier into a whole, and then the lens is installed on the carrier. The carrier is suspended in the magnetic field space in the inner cavity of the shell by an upper spring and a lower spring, and when the coil is electrified, the carrier can move up and down under the action of ampere force to drive the lens to realize focusing action. Since the lens has the problems of large occupied thickness space and large coaxiality deviation, an integrated lens VCM motor appears on the market.

The VCM motor of the integral lens generally adopts a mode of directly sleeving a hollow coil with a good shape in advance on the integral lens to solve the winding problem in the production process, the coil needs to be conducted, the conventional production mode is generally a winding groove which is designed on an upper spring and connected with the coil, and then one end of the coil is communicated with the winding groove in the assembling process, so that the communication between the upper spring and the coil is realized.

But above-mentioned coil and last spring switch on the mode of equipment, the processing degree of difficulty is big, influences whole production efficiency to owing to adopt the spring to realize that the coil switches on, consequently still need increase an insulating frame between metal material's shell and last spring, avoid taking place the short circuit between last spring and the shell, manufacturing cost is high.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above problems, the present invention provides an integrated lens motor and a mounting structure thereof with high production efficiency and low production cost.

The utility model discloses a mounting structure of an integrated lens motor, comprising: integrative camera lens, lower spring and coil, integrative camera lens bottom are provided with down the boss, and lower boss is provided with the depressed area, and lower spring and coil cover locate down the boss, and the coil forms semi-closed injecting glue groove with the depressed area, and the coil has the end of leading to, is provided with the electrode zone down on the spring, leads to the end and the electrode zone territory is located the injecting glue inslot simultaneously, and the injecting glue groove is filled there is conductive adhesive layer.

According to an embodiment of the present invention, the number of the glue injection grooves is plural, and the plural glue injection grooves are wound around the integrated lens.

According to an embodiment of the present invention, an outer circumference of the lower boss is larger than an inner diameter of the coil, and a sub-outer circumference of the lower boss is smaller than the inner diameter of the coil.

The present invention also discloses an integrated lens motor, comprising: the integrated lens comprises a base, an upper spring, a shell, a magnet and the mounting structure, wherein the base is provided with a fixed column, the bottom of the integrated lens is fixed on the base, one end of the lower spring is abutted against the top end of the fixed column, the integrated lens is provided with an upper boss, the upper spring is sleeved on the upper boss, the magnet is arranged on two sides of a coil, and the shell is covered on the base and extrudes the upper spring.

According to an embodiment of the utility model, the outer circumference of the upper boss is smaller than the inner diameter of the coil.

According to one embodiment of the present invention, the bottom of the base is provided with a connection pin, the top end of the fixing post is embedded with a conduction contact piece, and the conduction contact piece is connected with the top end of the connection pin.

According to an embodiment of the present invention, the base is provided with a limiting groove corresponding to the lower boss, and the lower boss is clamped in the limiting groove.

The mounting structure effectively simplifies the processing technology of the coil and the conduction in the production process of the integral lens motor, so that the integral production process of the integral lens motor can adopt the processing direction from top to bottom, the production difficulty is greatly reduced, and the production efficiency is effectively improved; utilize spring and coil down to realize switching on, for the processing mode that spring and coil switched on in the tradition, effectively avoid going up spring and shell contact and arouse the product short circuit, reduce insulating design structure, effectively reduce product manufacturing cost.

Drawings

Fig. 1 is one of the structural diagrams of the mounting structure of the integral lens motor in embodiment 1.

Fig. 2 is a second schematic structural diagram of the mounting structure of the integral lens motor in embodiment 1.

Fig. 3 is a schematic view of the structure of the mount structure of the integral lens motor of embodiment 1 without the coil mounted thereon.

Fig. 4 is a schematic structural view of the mounting structure of the integral lens motor in embodiment 1 after the coil is mounted.

Fig. 5 is an exploded view of the integral lens motor in embodiment 2.

Fig. 6 is a partial schematic structural view of an integral lens motor in embodiment 2.

Fig. 7 is an exploded view of the integral lens motor in embodiment 3.

Fig. 8 is a partial schematic structural view of an integral lens motor in embodiment 3.

Detailed Description

The present invention will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are not intended to be limiting, wherein certain elements may be omitted, enlarged or reduced in size, and are not intended to represent the actual dimensions of the product, so as to better illustrate the detailed description of the utility model.

Example 1

Please refer to fig. 1 to 4.

The utility model provides a mounting structure of an integrated lens motor, which is mainly applied to the integrated lens motor and mainly comprises: comprising an integral lens 1, a lower spring 2 and a coil 3. Adopt integrative camera lens 1 to replace the carrier on traditional camera lens motor and set up the camera lens on the carrier for camera lens motor structure is more stable, and is favorable to processing production more. The bottom of the integrated lens 1 is provided with a lower boss 110, the lower boss 110 extends in the horizontal direction, the lower boss 110 is provided with a recessed area 111, a lower spring 2 and a coil 3 are sleeved on the lower boss 110, for example, the lower spring 2 and the coil 3 are sequentially arranged on the lower boss 110, for example, the lower spring 2 is sleeved at the bottom of the lower boss 110, the coil 3 is sleeved at the top of the lower boss 110, wherein the coil 3 and the recessed area 111 form a semi-closed glue injection groove 120, the coil 3 is provided with a conducting end 310, the lower spring 2 is provided with an electrode area 210, the conducting end 310 and the electrode area 210 are simultaneously positioned in the glue injection groove 120, the glue injection groove 120 is filled with a conductive glue layer, the conduction between the lower spring 2 and the coil 3 is realized through the conductive glue layer, and the connection stability among the integrated lens, the lower spring and the coil is reinforced by the conductive glue layer.

Preferably, the number of the glue injection grooves 120 is multiple, the recessed area 111, the conduction end 310 and the electrode area 210 are designed correspondingly to form the multiple glue injection grooves 120, and the multiple glue injection grooves 120 are wound on the integrated lens 1, so that the integrated lens, the lower spring and the coil form multiple fixed connection points by using the conductive adhesive layer in the glue injection grooves 120, and the connection stability among the three is greatly improved.

Preferably, the periphery of the lower boss 110 is larger than the inner diameter of the coil 3, and the secondary periphery of the lower boss 110 is smaller than the inner diameter of the coil 3, so that the lower boss 110 can be directly sleeved into the coil 3 from top to bottom, and convenience in the product assembling process is guaranteed.

Example 2

Please refer to fig. 5 and fig. 6 together.

The utility model discloses an integrated lens motor, comprising: base 4, go up spring 5, shell 6, magnet 7 and embodiment 1 the mounting structure, base 4 is provided with

fixed column

410, 1 bottom of integrative camera lens is fixed in on the base 410, it is concrete, the hole of dodging has been seted up at base 3 middle part, 1 bottom of integrative camera lens outwards extends the arch and dodges the hole, thereby be convenient for installation between integrative camera lens 1 and the base 3 fix a position, 2 one end of lower spring and fixed column 410 top butt, integrative camera lens 1 is provided with boss 130, boss 130 high position is higher than boss 110 down, boss 130 is located to last spring 5 cover, magnet 7 sets up in coil 3 both sides, 6 lids of shell are located base 4 and are formed decurrent extrusion effort to last spring 5, and then realize carrying out fixed mounting to integrative camera lens 1.

The upper spring 5 and the lower spring 2 respectively act with the upper boss 130 and the lower boss 110 to form an elastic section for the integral lens 2, so that the coil 3 is electrified through the lower spring 5 to generate magnetism repulsive to the magnet 7, and then the integral lens 1 is driven to move up and down, and the focusing action of the lens is realized.

Preferably, the outer circumference of the upper boss 130 is smaller than the inner diameter of the coil 3, so that the upper boss 130 is effectively prevented from affecting the installation of the coil 3, and of course, the outer circumference of the upper boss 130 is larger than the outer diameter of the upper spring 5, thereby ensuring the stability of the upper spring 5 fixed on the upper boss 130.

Preferably, the bottom of the base 4 is provided with a connection pin 420, the top end of the fixing column 410 is embedded with a conduction contact piece 430, the conduction contact piece 430 is connected with the top end of the connection pin 420, the lower spring 3 is in contact with the conduction contact piece 430, so that the lower spring 3 and the connection pin 420 are realized, and the coil 2 is electrified and controlled through the connection pin 420. In specific application, the conductive contact piece 430 and the lower spring 3 can be fixedly connected by brush-tin welding, so that the conductive stability of the lower spring 3 is further ensured.

Preferably, the base 4 is provided with a limit groove 440 corresponding to the lower boss 110, and the lower boss 110 is clamped in the limit groove 440, so that the integral lens 1 is effectively prevented from being twisted, the moving direction of the integral lens 1 is limited, and the working stability of the integral lens motor is effectively ensured.

Example 3

Please refer to fig. 7 and fig. 8 together.

This example differs from example 2 in that: the fixing column 410 is positioned at the corner of the base 4, the magnet 7 is correspondingly overlapped on the fixing column 410, and two ends of the magnet 7 are respectively abutted against the upper spring 5 and the lower spring 2.

Specifically, magnet 7 quantity is four, and coil 3 adopts regular octagon structure, and four magnet 7 correspond with four planes of coil 3, and so for the magnetic field distribution that magnet 7 formed is more even, and utilize magnet 7 to set up in bight, set up the design in the coil both sides with the tradition and compare, effectively save product inner space more, thereby be convenient for further optimize integrative camera lens 2, thereby promote product property ability.

The magnet 7 is correspondingly stacked on the fixing column 410, and provides a pressing plane for the lower spring 2, so that the contact between the lower spring 2 and the conducting contact piece 430 on the fixing column 410 is effectively ensured, and the stability of the energization of the coil 3 is further ensured. And the upper spring 5 is supported by the magnet 7 and is matched with the shell 6 to extrude the upper spring 5, so that the mounting structure of the upper spring 5 is more stable and reliable.

In summary, through the mounting structure of the present invention, the processing technology of the coil and the conduction in the production process of the integral lens motor is effectively simplified, so that the integral production process of the integral lens motor can adopt the processing direction from top to bottom, the production difficulty is greatly reduced, the production efficiency is effectively improved, and the conduction between the lower spring and the coil is realized, compared with the traditional processing mode of conducting the upper spring and the coil, the short circuit of the product caused by the contact between the upper spring and the housing is effectively avoided, the insulation design structure is reduced, and the production cost of the product is effectively reduced.

In the description of the present invention, it is to be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate orientations or positional relationships, are used based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and for the simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

While the utility model has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are intended to be included within the spirit and scope of the present invention.

Claims

1. A mounting structure of an integral lens motor, comprising: integrative camera lens, lower spring and coil, its characterized in that, integrative camera lens bottom is provided with down the boss, lower boss is provided with the sunk area, lower spring and coil cover are located down the boss, the coil forms semi-closed injecting glue groove with the sunk area, the coil has the end of leading to, it is regional to be provided with the electrode down on the spring, lead to the end and the electrode region is located the injecting glue inslot simultaneously, and the injecting glue groove is filled there is conductive adhesive layer.

2. The mounting structure according to claim 1, wherein the number of the glue injection grooves is plural, and the plural glue injection grooves are wound around the integrated lens.

3. The mounting structure according to claim 2, wherein an outer circumference of the lower boss is larger than an inner diameter of the coil, and a sub-outer circumference of the lower boss is smaller than the inner diameter of the coil.

4. An integrated lens motor, comprising: the integrated lens comprises a base, an upper spring, a shell, a magnet and the mounting structure as claimed in any one of claims 1 to 3, wherein the base is provided with a fixed column, the bottom of the integrated lens is fixed on the base, one end of the lower spring is abutted against the top end of the fixed column, the integrated lens is provided with an upper boss, the upper spring is sleeved on the upper boss, the magnet is arranged on two sides of a coil, and the shell cover is arranged on the base and extrudes the upper spring.

5. The integral lens motor of claim 4, wherein the upper boss outer circumference is smaller than the inner diameter of the coil.

6. The integrated lens motor according to claim 4, wherein the base has a connecting pin at a bottom thereof, and a conductive contact piece is embedded in a top end of the fixing post, and the conductive contact piece is connected to a top end of the connecting pin.

7. The integrated lens motor according to claim 5, wherein the base is provided with a limiting groove corresponding to the lower boss, and the lower boss is engaged with the limiting groove.