CN2840086Y

CN2840086Y - Lens module

Info

Publication number: CN2840086Y
Application number: CN 200520127682
Authority: CN
Inventors: 黄世超; 朱贤儒
Original assignee: Yipin Internat Science & Technology Co Ltd
Current assignee: Yipin Internat Science & Technology Co Ltd
Priority date: 2005-10-08
Filing date: 2005-10-08
Publication date: 2006-11-22
Anticipated expiration: 2015-10-08

Abstract

The utility model relates to a lens module, and electromagnetic force can be used as the driving force for adjusting the far and near focus of a lens. The utility model comprises a bottom cover, two conducting strips, four springs, a lower frame, a lens clamping frame, a coil, a lens, an upper clamping frame, two magnets, a magnet cover and an upper cover, wherein a linking body is formed by that a lens bottom frame, the coil and an upper frame are clamped and arranged at the periphery of the lens, the coil is clamped and fixed between the lens bottom frame and the upper clamping frame, and then, the diameter width and the occupation volume of the coil can be reduced. The two cambered magnets are respectively clamped and arranged at the left side and the right side of the coil, thereby, an annular magnet of a complete circle which is arranged at the periphery of the coil can be replaced and the occupation volume of the magnets can be reduced. The four springs are respectively and vertically arranged at four corners of the two conducting strips in an axial direction and can be respectively hooked on four corresponding support stands on the lens bottom frame, and axial traction force can be supplied for the focus movement of the lens. Thereby, the utility model can realize efficacies that the volume of the lens module can be reduced and the adjustment of the far and near focus of the lens can be carried out steadily.

Description

Camera lens module

Technical field

The utility model relates to a kind of camera lens module, particularly a kind ofly can be used for digital camera or has on the mobile phone of shoot function, and utilize electromagnetic force and make that its camera lens has far, the nearly burnt camera lens module of adjusting function.

Background technology

All be provided with a camera lens module on the mobile phone of digital camera or tool shoot function, and can set up a focus adjuster on the camera lens module; And the camera lens module that uses at present must meet in design gently, approaches, short and small requirement, and must have accuracy and durability, guarantees to operate 3～50,000 times at least as focus adjuster can not get loose; Again because of optical sensor is to be located at the camera lens rear, therefore any adjusting gear can not be because of friction produces particulate or powder when operation, otherwise may drop on optical sensor and form stain, directly has influence on image quality; And have the engage thread utilized to adjust in the existing focus adjuster, but it rubs between because of two screw threads when rotation is adjusted comprehensively and is easier to produce particulate or powder; Favourablely again adjust with means of electromagnetic forces, but existing coil is to be set in the lens group zoarium periphery of (comprising camera lens and outer sandwiched frame thereof), and the set magnet of coil periphery also is a whole circle formula ring-shaped magnet, causes the shared volume of existing camera lens module to increase relatively, is unfavorable for miniaturization; Presents again to have plenty of and use shell fragment forming equilibrium state, but the design of described shell fragment is subject to external force deformation with electromagnetic force, comprise vibrations, playback (original position falls back) or long-time the use after, influence the stationarity and the accuracy of focusing; And the utility model is considered above-mentioned multiple factor and research and develop design.

Summary of the invention

The utility model fundamental purpose is to provide a kind of camera lens module, it is to utilize camera lens folder frame (lensholder), a coil (coil) and a upper frame (top plate) to be folded in outer the placing of camera lens (lens) and to form an interlock body, and make the coil clamping between the upper and lower corresponding second ring framework of camera lens folder frame and upper frame, reduce the wide and shared volume in footpath of coil thus, make the camera lens module volume reach the downsizing effect.

The utility model purpose again is to provide a kind of camera lens module, it is the left and right side that is folded in coil (coil) by two arc-shaped magnets (magnet) respectively, and the replacement operated by rotary motion is at the whole circle formula ring-shaped magnet of coil periphery, reduce the shared volume of magnet thus, make the camera lens module volume reach the downsizing effect.

Another purpose of the utility model is to provide a kind of camera lens module, it is to be vertically set on respectively on four jiaos of two conducting strips (steel plate) by four springs, and make its respectively vertical hook put on four corresponding supports on camera lens folder frame (lensholder) outer shroud, thus the focusing of camera lens is moved even axial thrust force is provided, camera lens can be stablized carry out the burnt adjustment of distance.

To achieve these goals, the utility model provides a kind of camera lens module, comprises a bottom, two conducting strips, four springs, a lower frame, camera lens folder frame, a coil, a camera lens, a upper frame, two magnet, a magnet cap and a loam cake, it is characterized in that:

Bottom is a square box support body, and its four jiaos places are provided with to fasten and use four supports, are combined into one with loam cake, and its centre is provided with a perforation for the optical path that forms camera lens again;

Conducting strip, it is the conductive copper sheet of two symmetric shapes, be installed on the bottom respectively and form the electrical isolation state, again respectively by the lug sheet to connect different electrodes, surround the perforation of the corresponding bottom of a medium pore again between two conducting strips, and on the central orifice ring rim peripheral equidistantly be provided with four confessions respectively hook put the bridge sheet of a spring;

Spring, hook places on four bridge sheets of two conducting strips respectively, and the hook that passes lower frame is respectively vertically upward put four corresponding lugs on camera lens folder frame outer shroud;

Lower frame is located on two conducting strips, and its centre is provided with a perforation, and perforation ring rim is provided with flange again, and the groove of wearing of four corresponding respectively springs of confession equidistantly outwards is set on the flange periphery, in the flange outside two symmetrical dividing plates is set again;

Camera lens folder frame comprises peripheral four lugs of an annular frame and frame loops rim, and described four lugs are corresponding four springs respectively;

Coil is arranged on above the annular frame of camera lens folder frame, the head of coil, the different electrodes of tail end tap;

Upper frame, comprise peripheral four the outwards outstanding buttons of an annular frame and frame loops rim, upper frame, coil and camera lens folder frame are folded in the periphery of camera lens and form one and can pass through the power-actuated interlock body of electromagnetism, and the coil clamping presss from both sides between the corresponding annular frame of frame at the annular frame and the camera lens of upper frame;

Magnet, two symmetrical arc-shaped magnets are folded in the left and right side periphery of coil respectively;

Magnet cap, be a cover case, be located at above two magnet, make two magnet clampings between magnet cap and lower frame, magnet cap is provided with central authorities and wears groove and wear peripheral four symmetrical grooves of grooved ring rim again, respectively the circular frame of upper frame and peripheral four the outstanding buttons of ring rim in the corresponding interlock body;

Loam cake is buckled into one with bottom, and interlock body, two conducting strips, four springs, a lower frame, two magnet, a magnet cap are interposed between loam cake and the bottom, form a camera lens module.

The different electrodes of described two conducting strips by metal material spring be connected to the head of coil respectively, on the tail end.

Described magnet cap respectively establishes one vertically to groove, two symmetrical dividing plates of corresponding lower frame not inserting and putting on the in addition dual side-edge of two magnet.

The utility model camera lens module has the following advantages:

(1), the set coil of camera lens module of existing electromagnetic type focusing is arranged on camera lens folder framework (equal'sing the assembly of the utility model camera lens folder frame and upper frame) periphery, therefore wide wide, a folder framework thickness and the coil thickness in camera lens footpath that comprise in existing camera lens interlock body (equaling interlock body of the present utility model) footpath; Yet, coil of the present utility model is that direct clamping is between the upper and lower corresponding second ring framework of camera lens folder frame and upper frame, coil is embedded in the thickness of second ring framework, so wide wide and annular frame thickness in camera lens footpath that includes only in the utility model camera lens interlock body footpath, can effectively reduce the wide and shared volume in interlock body footpath, the camera lens module volume is dwindled relatively.

(2), the camera lens module of existing electromagnetic type focusing is to be arranged on coil periphery with a whole circle formula ring-shaped magnet, make entire outer diameter be 360 ° of increasings, yet the utility model is the left and right side periphery that is folded in coil by two arc-shaped magnet symmetries, therefore have only left and right side (each about 90 ° totally 180 °) external diameter to strengthen, two sides (as forward and backward side) periphery is not then strengthened in addition, so can effectively reduce the shared volume of magnet, the camera lens module volume is dwindled relatively.

(3), the single shell fragment of the normal use of the camera lens module of existing electromagnetic type focusing, but described shell fragment designs and sets up the position not good, easy stress deformation (after vibrations, playback or long-time the use), causing to provide camera lens interlock body even elastic force, make when carrying out far and near burnt the adjustment electromagnetic force relative not good, and influence the far and near burnt stability of moving of adjusting of camera lens with the force balance effect between the elastic force; Yet, the utility model is to be vertically set on respectively on four jiaos of bridge sheets of two conducting strips by four springs, and respectively vertically upward hook put four corresponding lugs on camera lens folder frame outer shroud, and can provide even elastic force to the focusing action of interlock body (comprising camera lens), camera lens can be stablized carry out the burnt adjustment of distance.

Description of drawings

Fig. 1 is the stereographic map of the utility model one embodiment;

Fig. 2 is the three-dimensional exploded view of Fig. 1;

Fig. 3 is Fig. 1 one side sectional view;

Fig. 4 is Fig. 1 another side cut-open view;

Fig. 5 is that two conducting strips are located at three-dimensional combination figure on the bottom in the utility model;

Fig. 6 is the constitutional diagram that Fig. 5 assembles four springs, lower frame and camera lens folder frame again;

Fig. 7 is the constitutional diagram that Fig. 6 assembles coil and camera lens again;

Fig. 8 is the constitutional diagram that Fig. 7 assembles upper frame and magnet again;

Fig. 9 is the constitutional diagram that Fig. 8 assembles magnet cap again.

Description of reference numerals: camera lens module 1; Interlock body 2; Bottom 10; Support 11; Perforation 12; Location slightly 13; Conducting strip 20; Pilot hole 21; Lug sheet 22; Medium pore 23; Bridge sheet 24; Spring 30; Lower frame 40; Perforation 41; Flange 42; Groove 43; Dividing plate 44; Camera lens folder frame 50; Annular frame 51; Lug 52; Coil 60; Head end 61; Tail end 62; Camera lens 70; Upper frame 80; Annular frame 81; Button 82; Magnet 90; Magnet cap 100; Wear groove 101; Groove 102; Loam cake 110.

Embodiment

Referring to figs. 1 to shown in Figure 9, the utility model camera lens module 1 comprises a bottom (base) 10, two conducting strips (steel plate) 20, four springs (spring) 30, one lower frame (bottom plate) 40, one camera lens folder frame (lens holder) 50, one coil (coil) 60, one camera lens (lens) 70, one upper frame (top plate) 80, two magnet (magnet) 90, one magnet cap (magnet housing), 100 and one loam cake (top cover) 110, wherein, camera lens folder frame 50, coil 60 and upper frame 80 are the peripheries that are folded in camera lens 70, but and the interlock body 2 of forming a synchronous movement jointly shown in the 2nd figure; And described interlock body 2 be again and conducting strip 20, spring 30, lower frame 40, magnet (magnet) 90, magnet cap (magnethousing) 100 be interposed in jointly between bottom 10 and the loam cake 110, and form a camera lens module 1, interlock body 2 can be in camera lens module 1 telescopic movable, make that camera lens 70 has far, the nearly burnt function of adjusting.

While, to assembling kenel shown in Figure 9, bottom (base) 10 was square box support bodys with reference to figure 5, and its four jiaos places are provided with to fasten with four supports 11 and supply to be combined into one with loam cake 110, and its centre is provided with the optical paths that a perforation 12 supplies to form camera lens 70 again; And two conducting strips (steel plate) 20 are conductive copper sheets of two symmetric shapes, but mat on it on pilot hole 21 and the bottom 10 location 13 cooperate slightly, two conducting strips 20 are installed in respectively on the bottom 10 to form the electrical isolation state, as shown in Figure 5, and respectively mat lug sheet 22 to connect different electrodes, surround a medium pore 23 again between two conducting strips 20 with correspondence perforation 12, and the periphery equidistantly is provided with four bridge sheets 24 on the medium pore 23 ring rims, balance spring 30 is put in confession hook respectively, make four springs 30 be positioned at medium pore 23 ring rim peripheries, and form symmetry status, but mat metal material the spring 30 and different electrodes of two conducting strips 20 are connected to respectively on the head end 61 and tail end 62 of coil (coil) 60 again with respect to medium pore 23 axle center; And lower frame (bottom plate) the 40th is located on two conducting strips 20, its centre is provided with a perforation 41 with correspondence perforation 12 and medium pore 23, the 41 ring rims of boring a hole again are provided with flange 42, and equidistantly outwards be provided with four on flange 42 peripheries and wear groove 43 for the corresponding spring 30 of difference, make four springs 30 pass groove 43 respectively and upwards hook camera lens and press from both sides frame (lensholder) 50, as shown in Figure 6, in addition, two symmetrical dividing plates 44 can be established in flange 42 outsides of lower frame 40; And camera lens folder frame 50 comprises an annular frame 51 and peripheral four lugs 52 of framework 51 ring rims, described four lugs 52 are corresponding four springs 30 respectively, four springs 30 can be hooked respectively on the corresponding lug 52, thus camera lens folder frame 50 is produced even spring force, and it is movable that annular frame 51 can be stablized up and down in the perforation 41 that lower frame 40 flanges 42 are defined; And coil (coil) the 60th is vertically set on above the annular frame 51 of camera lens folder frame 50, as shown in Figure 7, but and make its head end 61, the different electrodes of tail end 62 taps; And upper frame (top plate) the 80th cooperates 50 designs of camera lens folder frame, comprise peripheral four the outwards outstanding buttons 82 of an annular frame 81 and framework 81 ring rims, making upper frame 80, coil 60 and camera lens folder frame 50 be folded in the outer of camera lens 70 places, to form an interlock body 2, and coil 60 clampings are pressed from both sides between the corresponding annular frame 51 of frame 50 at the annular frame 81 and the camera lens of upper frame 80, as Fig. 3, Fig. 4 and shown in Figure 8, reduce the wide and shared volume in footpath of coil 60 thus; And two magnet (magnet) 90 are two symmetrical arc-shaped magnets, be folded in the left and right side periphery of coil 60 respectively, as shown in Figure 8, replace the whole circle ring-shaped magnet of operated by rotary motion thus in coil periphery, and can reduce magnet 90 shared volumes, the head end 61 of coil 60, tail end 62 can change different electrodes and size of current again, cooperate magnet 90 (N, the S utmost point) to produce upper and lower different directions and different strong and weak electromagnetic forces thus, drive interlock body 2 (the comprising camera lens 70) action of focusing thus; And magnet cap (magnet housing) 100 is cover cases, can be located at above two magnet 90, two magnet, 90 clampings can be shifted between magnet cap 100 and lower frame 40, as Fig. 3, Fig. 4 and shown in Figure 9, magnet cap 100 is provided with central authorities and wears groove 101 and wear peripheral four symmetrical grooves 102 of groove 101 ring rims again, circular frame 81 and peripheral four the outstanding buttons 82 of ring rim with upper frame 80 in the corresponding interlock body 2 of difference, make interlock body 2 (comprising camera lens 70) when focusing action, can wear groove 101 protruding or inside retractions by central authorities, on the non-dual side-edge that inserts and puts two magnet 90 of magnet cap 100, respectively establish one vertical again to the two symmetrical dividing plates 44 of groove 102 with corresponding lower frame 40, after making magnet cap 100 be located at above two magnet 90, its groove 102 can with dividing plate 44 driving fits of lower frame 40, as shown in Figure 1, prevent that thus impurity from infiltering camera lens module 1 inside; And loam cake 110 is cover cases of a cooperation bottom 10, can be buckled into one and form a camera lens module 1 with bottom 10.

And during actual the use, the producing method of

coil

60 and 90 electromagnetic forces of magnet can select only to produce upwards electromagnetic force, make when burnt position far away, coil 60 obstructed electric currents, do not produce electromagnetic force, the interlock body was not subjected to the electromagnetic force effect and drawn by the spring force of four springs 30 2 (comprising camera lens folder frame 50, coil 60, upper frame 80 and camera lens 70) this moment, and rested on initial initial point burnt position far away; When desiring to focus action, then control an an amount of electric current by coil 60, produce an an amount of electromagnetic force thus, make interlock body 2 can make progress by electromagnetic force (to taking thing) stretch out, to form nearly burnt state, and when suffered electromagnetic force on the interlock body 2 equals the spring tensile force of four springs 30 and reaches balance, interlock body 2 promptly rests on one nearer burnt position, described adjustment back, therefore between the near burnt position by far away burnt position to the forefront of initial point, comprise by Jiao far away and transfer nearly Jiao or far away burnt by nearly burnt accent, all can adjust interlock body 2 (comprising camera lens 70) and rest on any position, reach the far and near burnt effect of adjusting thus by size of current control in the coil 60.

The above only is embodiment of the present utility model, and is non-for limiting embodiment of the present utility model; Generally those skilled in the art, it complies with feature category of the present utility model, and other equivalence of being done changes or modifies, and all should be encompassed in the claim of this case.

Claims

1. a camera lens module comprises a bottom, two conducting strips, four springs, a lower frame, camera lens folder frame, a coil, a camera lens, a upper frame, two magnet, a magnet cap and a loam cake, it is characterized in that:

Magnet, two symmetrical arc-shaped magnets are folded in the left and right side periphery of coil respectively; Magnet cap, be a cover case, be located at above two magnet, make two magnet clampings between magnet cap and lower frame, magnet cap is provided with central authorities and wears groove and wear peripheral four symmetrical grooves of grooved ring rim again, respectively the circular frame of upper frame and peripheral four the outstanding buttons of ring rim in the corresponding interlock body;

2. camera lens module according to claim 1 is characterized in that: the different electrodes of described two conducting strips are connected to respectively on the head, tail end of coil by metal material spring.

3. camera lens module according to claim 1 is characterized in that: described magnet cap respectively establishes one vertically to groove, two symmetrical dividing plates of corresponding lower frame on the dual side-edge in addition what do not insert and put two magnet.