CN201402344Y

CN201402344Y - Mobile lens drive module

Info

Publication number: CN201402344Y
Application number: CN2009200565764U
Authority: CN
Inventors: 马益金
Original assignee: Dongguan Yingju Electronic Technology Co Ltd
Current assignee: Dongguan Yingju Technology Co., Ltd.
Priority date: 2009-05-15
Filing date: 2009-05-15
Publication date: 2010-02-10
Anticipated expiration: 2019-05-15

Abstract

The utility model relates to the technical field of mobile lenses, in particular to a mobile lens drive module. The mobile lens drive module comprises a fixed seat, a lens seat, a coil, a magnet seat,a magnet and an outer cover, wherein, the lens seat is mounted on the fixed seat in a sliding fit manner; the coil is sleeved on the lens seat; the magnet is mounted on the magnet seat; the magnet seat is sleeved outside the coil and is fixedly connected with the fixed seat; and the outer cover is sleeved outside the magnet seat and is fixedly connected with the fixed seat. The mobile lens drivemodule can improve the precision of focusing, reduce failure rate, and protect image sensing and measuring components better.

Description

Mobile lens drives module

Technical field:

The utility model relates to the mobile lens technical field, and particularly mobile lens drives module.

Background technology:

The mobile phone that has shoot function is subjected to consumer's welcome very much, installs camera on the mobile phone additional, requires than higher.Mobile lens drives module and also is mobile phone voice coil motor automatic focusing mechanism, and it consists predominantly of a fixed mount and a camera lens fitted tube, and the camera lens fitted tube is installed in the fixed mount movably; Yet,, cause assembling too loaded down with trivial details, and assembling process is very lost time because the structure of existing voice coil motor formula focusing mechanism is too complicated.And the combination of existing structure is not good, causes the stable degree of voice coil motor formula focus actuator not good enough, and in addition, automatic focusing mechanism also is easy to be subjected to the intrusion of foreign matters such as dust, influences the use of product; Therefore, the structure of existing voice coil motor formula focusing mechanism still remains to be improved.

The utility model content:

The purpose of this utility model is to provide mobile lens to drive module at the deficiencies in the prior art, and the utility model can improve the precision of focusing and reduce failure rate, and can prevent that dust or foreign matter from entering, and image sensing component is had the better protection effect.

For achieving the above object, the utility model adopts following technical scheme:

It comprises holder, lens mount, coil, magnetic receiver, magnet, outer cover, lens mount is installed on the holder and with holder and is slidingly matched, coil is placed on the lens mount, magnet is installed on the magnetic receiver, magnetic receiver is placed in outside the coil and with holder fixedlys connected, and outer cover is placed in outside the magnetic receiver and with holder fixedlys connected.

Described magnetic receiver is the tetragonal body framed structure, and magnet has four, is embedded at four sides of magnetic receiver respectively.

Described holder middle part offers through hole, and through hole outwards is concaved with chute.

Described lens mount hollow, its madial wall has screw thread, and its bottom has the extension platform of carrying coil, and its bottom has the lower limit post, and the lower limit post is slidedly arranged in the chute of holder, and its top has the upper limit post.

Described holder side forms the card post; The holder side forms the lead-in wire groove.

Described outer cover top drilling, outer cover have four sidewalls, and wherein two sidewall bottoms form grab, the card post clamping location of grab and holder.

Module also includes removable cover, removable cover between magnetic receiver, outer cover, removable cover hollow, the middle part through hole outwards is concaved with limiting section, limiting section cooperates with the upper limit post of lens mount, the removable cover outside has limited block.

Module also includes outer cover, outer cover between removable cover and outer cover, outer cover hollow, its bottom has reference column, and its madial wall offers shifting chute, and its lateral wall offers and adds the glue groove, reference column and magnetic receiver are connected and fixed, and shifting chute cooperates with the limited block of removable cover.

Described module also includes down shell fragment, and following shell fragment is between holder and lens mount and be fixed in lens mount bottom; Following shell fragment in the form of sheets, through hole is offered at its middle part, following shell fragment has outer ring, elastic body, inner ring, through hole outwards is concaved with spacing hole, spacing hole cooperates with the lower limit post of lens mount, following shell fragment has been bent to form downwards and has connected terminal, connects terminal and cooperates the location with the lead-in wire groove of holder, connects terminal and is electrically connected with coil.

Described module also includes shell fragment, and last shell fragment is fixedlyed connected between magnetic receiver and removable cover and with lens mount; Last shell fragment in the form of sheets, through hole is offered at its middle part, last shell fragment has outer ring, elastic body, inner ring, through hole outwards is concaved with spacing hole, spacing hole cooperates with the upper limit post of lens mount, last shell fragment has been bent to form downwards and has connected terminal, connects terminal and cooperates the location with the lead-in wire groove of holder, connects terminal and is electrically connected with coil.

The beneficial effects of the utility model are, can improve the precision of focusing and reduce failure rate, can have better protection effect to image sensing component simultaneously.

Description of drawings:

Fig. 1 is a perspective view of the present utility model

Fig. 2 is another angle perspective view of the present utility model

Fig. 3 is a decomposing schematic representation of the present utility model

Fig. 4 is the partial enlarged drawing one of Fig. 3

Fig. 5 is the partial enlarged drawing two of Fig. 3

Fig. 6 is the partial enlarged drawing three of Fig. 3

Embodiment:

Below in conjunction with accompanying drawing the utility model is further described.

The following stated only is a better embodiment of the present utility model, does not therefore limit protection domain of the present utility model.

See accompanying drawing 1-6, the utility model comprises: holder 10, lens mount 20, coil 30, magnetic receiver 40, magnet 42, outer cover 70, holder 10 is square, the lens mount 20 inner mobile lens of installing, lens mount 20 is installed on the holder 10 and with holder 10 and is slidingly matched, coil 30 is placed on the lens mount 20, can move with lens mount 20, magnet 42 is installed on the magnetic receiver 40, magnetic receiver 40 is placed in outside the coil 30 and with holder 10 fixedlys connected, outer cover 70 is placed in outside the magnetic receiver 40 and with holder 10 fixedlys connected, by coil 30 is conducted electricity, make coil 30 produce magnetic force and with magnetic receiver 40 on magnet 42 generation effects, thereby make lens mount 20 realize stretching out or the action of indentation.

Described magnetic receiver 40 is the tetragonal body framed structure, and magnet 42 has four, is embedded at four sides of magnetic receiver 40 respectively, makes magneticaction more even.

Described holder 10 middle parts offer through hole 11, by through hole 11 camera lens are installed, and through hole 11 outwards is concaved with chute 12.

Described lens mount 20 hollows, its madial wall 21 has screw thread, camera lens is threaded with lens mount 20, the bottom of lens mount 20 has the extension platform 22 of carrying coil 30, its bottom has lower limit post 23, and lower limit post 23 is slidedly arranged in the chute 12 of holder 10, makes the expanding-contracting action of lens mount 20 more steady by lower limit post 23, the 0.03mm gap that is slidingly matched guarantees the precision that moves up and down of lens mount 20; The top of lens mount 20 has upper limit post 24.

Described holder 10 sides form card post 13; Holder 10 sides form lead-in wire groove 14, and lead-in wire groove 14 and card post 13 be homonymy not.

Described outer cover 70 top drillings 71, slide etc. can be installed, realize the image collection of camera lens, outer cover 70 is square and has four sidewalls 72, wherein two sidewall 72 bottoms form grab 73, and grab 73 is located with card post 13 clampings of holder 10, makes outer cover 70 and holder 10 secure bond together, outer cover 70 can blocks dust or foreign matter enter, and then prevent that image sensing component is by stained.

The utility model module also includes removable cover 50, removable cover 50 between magnetic receiver 40, outer cover 70, removable cover 50 hollows, the middle part through hole outwards is concaved with limiting section 51, limiting section 51 cooperates with the upper limit post 24 of lens mount 20, and the outside of removable cover 50 forms limited block 52.

The utility model module also includes outer cover 60, outer cover 60 is between removable cover 50 and outer cover 70, outer cover 60 hollows, its bottom has reference column 61, its madial wall offers shifting chute 62, its lateral wall offers and adds glue groove 63, reference column 61 is connected and fixed with magnetic receiver 40, shifting chute 62 cooperates with the limited block 52 of removable cover 50, and the 0.03mm gap that is slidingly matched guarantees lens mount straight line mobile accuracy up and down, lens mount 20 can drive removable cover 50 and move along the shifting chute 62 of outer cover 60, thereby, make lens mount 20 tops, the bottom is all realized steadily spacing, and lens mount 20 moves more steady.

The utility model module also includes down shell fragment 80, and following shell fragment 80 is between holder 10 and lens mount 20 and be fixed in lens mount 20 bottoms; Following shell fragment 80 is a sheet metal, through hole 85 is offered at its middle part, following shell fragment 80 has outer ring 81, elastic body 82, inner ring 83, through hole 85 outwards is concaved with spacing hole 84, spacing hole 84 cooperates with the lower limit post 23 of lens mount 20, following shell fragment 80 has been bent to form downwards and has connected terminal 86, connects terminal 86 and cooperates the location with the lead-in wire groove 14 of holder 10, connects terminal 86 and is electrically connected with coil 30.

The utility model module also includes shell fragment 90, last shell fragment 90 between magnetic receiver 40 and removable cover 50 and on shell fragment 90 fixedly connected with lens mount 20; Last shell fragment 90 is a sheet metal, through hole 95 is offered at its middle part, last shell fragment 90 has outer ring 91, elastic body 92, inner ring 93, through hole 95 outwards is concaved with spacing hole 94, spacing hole 94 cooperates with the upper limit post 24 of lens mount 20, last shell fragment 90 has been bent to form downwards and has connected terminal 96, connects terminal 96 and cooperates the location with the lead-in wire groove 14 of holder 10.

Described outer cover 70 also has grounding leg 74, promptly plays the ground connection effect on the electricity.

The terminal 96 that connects that connects terminal 86 and last shell fragment 90 that descends shell fragment 80 is switched on, so that coil 30 is switched on, coil 30 produces magnetic force and has an effect with the magnet 42 on the magnetic receiver 40, make coil 30 move relative to magnetic receiver 40 together with lens mount 20, change the direction of energising, lens mount 20 is moved along different directions.

No matter lens mount 20 along which direction moves, all can make down shell fragment 80 or go up shell fragment 90 to deform, on the one hand, because this elastic deformation makes that moving of lens mount 20 is more accurate, on the other hand, during cancellation electric power, shell fragment restores, and lens mount 20 is restored.

In addition, following shell fragment 80 and last shell fragment 90 have certain precompression under the situation of not energising, guarantee the stability of lens mount 20 when not switching on.

The utility model adopts technique scheme, has following advantage: but 1, the slippage of the utility model exactly, can improve the precision of focusing and reduce failure rate; 2, the utility model provides between lens mount and holder and has flexibly supported effect preferably, has better elastic returning effect; 3, the dustproof encloser of the utility model setting can prevent that dust or foreign matter from entering, and has better protection effect to image sensing component.

Certainly, the embodiment of the above, it is preferred embodiments of the present utility model, be not to limit the utility model practical range, so all equivalences of doing according to the described structure of the utility model claim, feature and principle change or modify, and all should be included in the utility model claim.

Claims

1, mobile lens drives module, it is characterized in that: it comprises holder (10), lens mount (20), coil (30), magnetic receiver (40), magnet (42), outer cover (70), lens mount (20) is installed on holder (10) and upward and with holder (10) is slidingly matched, coil (30) is placed on the lens mount (20), magnet (42) is installed on the magnetic receiver (40), magnetic receiver (40) is placed in outside the coil (30) and with holder (10) fixedlys connected, and outer cover (70) is placed in outside the magnetic receiver (40) and with holder (10) fixedlys connected.

2, mobile lens according to claim 1 drives module, and it is characterized in that: described magnetic receiver (40) is the tetragonal body framed structure, and magnet (42) has four, is embedded at four sides of magnetic receiver (40) respectively.

3, mobile lens according to claim 1 drives module, it is characterized in that: described holder (10) middle part offers through hole (11), and through hole (11) outwards is concaved with chute (12).

4, mobile lens according to claim 3 drives module, it is characterized in that: described lens mount (20) hollow, its madial wall (21) has screw thread, its bottom has the extension platform (22) of carrying coil (30), its bottom has lower limit post (23), lower limit post (23) is slidedly arranged in the chute (12) of holder (10), and its top has upper limit post (24).

5, mobile lens according to claim 4 drives module, and it is characterized in that: described holder (10) side forms card post (13); Holder (10) side forms lead-in wire groove (14).

6, mobile lens according to claim 5 drives module, it is characterized in that: described outer cover (70) top drilling (71), outer cover (70) has four sidewalls (72), wherein two sidewalls (72) bottom forms grab (73), and grab (73) is located with card post (13) clamping of holder (10).

7, mobile lens according to claim 5 drives module, it is characterized in that: module also includes removable cover (50), removable cover (50) is positioned between magnetic receiver (40), the outer cover (70), removable cover (50) hollow, the middle part through hole outwards is concaved with limiting section (51), limiting section (51) cooperates with the upper limit post (24) of lens mount (20), and removable cover (50) outside has limited block (52).

8, mobile lens according to claim 7 drives module, it is characterized in that: module also includes outer cover (60), outer cover (60) is positioned between removable cover (50) and the outer cover (70), outer cover (60) hollow, its bottom has reference column (61), and its madial wall offers shifting chute (62), and its lateral wall offers and adds glue groove (63), reference column (61) is connected and fixed with magnetic receiver (40), and shifting chute (62) cooperates with the limited block (52) of removable cover (50).

9, mobile lens according to claim 5 drives module, and it is characterized in that: module also includes down shell fragment (80), and following shell fragment (80) is positioned between holder (10) and the lens mount (20) and is fixed in lens mount (20) bottom; Following shell fragment (80) in the form of sheets, through hole (85) is offered at its middle part, following shell fragment (80) has outer ring (81), elastic body (82), inner ring (83), through hole (85) outwards is concaved with spacing hole (84), spacing hole (84) cooperates with the lower limit post (23) of lens mount (20), following shell fragment (80) has been bent to form downwards and has connected terminal (86), connects terminal (86) and cooperates the location with the lead-in wire groove (14) of holder (10), connects terminal (86) and is electrically connected with coil (30).

10, mobile lens according to claim 7 drives module, and it is characterized in that: module also includes shell fragment (90), last shell fragment (90) be positioned between magnetic receiver (40) and the removable cover (50) and on shell fragment (90) fixedly connected with lens mount (20); Last shell fragment (90) in the form of sheets, through hole (95) is offered at its middle part, last shell fragment (90) has outer ring (91), elastic body (92), inner ring (93), through hole (95) outwards is concaved with spacing hole (94), spacing hole (94) cooperates with the upper limit post (24) of lens mount (20), last shell fragment (90) has been bent to form downwards and has connected terminal (96), connects terminal (96) and cooperates the location with the lead-in wire groove (14) of holder (10), connects terminal (96) and is electrically connected with coil (30).