CN102012604B

CN102012604B - Magnet construction member with at least four poles and shutter

Info

Publication number: CN102012604B
Application number: CN2009101731183A
Authority: CN
Inventors: 刘高祺; 范镒籇; 江朝荣; 蒋琨峰
Original assignee: VITAI TECHNOLOGY Co Ltd
Current assignee: VITAI TECHNOLOGY Co Ltd
Priority date: 2009-09-07
Filing date: 2009-09-07
Publication date: 2012-04-18
Anticipated expiration: 2029-09-07
Also published as: CN102012604A

Abstract

The invention relates to a magnet construction member with at least four poles and a shutter. The magnet construction member is installed on the shutter of the photography module of a portable mobile communication device and is arranged near one side of yoke of shutter; and the magnet construction member comprises a disk part and a drive part. An N pole and an S pole of at least four poles are formed on the disk part, whereas the disk part is provided with a circular ring side surface and a first end surface and a second end surface which are opposite. The drive part extends along the vertical direction from one of the first end surface and the second end surface of the disk part. In the invention, because the drive part extends along the vertical direction from the end surface of the disk part, when in magnetism induction, the N pole and the S pole of at least four poles can be formed on the disk part so as to facilitate mass production and manufacturing.

Description

Have four extremely above magnetite member and shutters

Technical field

The present invention relates to a kind of magnetite, relate in particular to a kind of four extremely above N utmost point and the magnetite member of the S utmost point and shutters that application has this magnetite member that are formed with.

Background technology

Along with the universalness of handheld communication electronic product, and, all significantly be equipped with phtographic lens on the handheld communication product at present, and be provided with shutter above that, so as to the time of control exposure under the demand with camera function.The blade that shutter mainly can include base, be located at the solenoid valve on the base and combine with solenoid valve is controlled the time that light gets into through the action of blade to open and close unthreaded hole.Wherein, solenoid valve is made up of magnetite, yoke and the coil that is wrapped on the yoke usually, via behind the coil electricity with the two poles of the earth N utmost point and the effect of the S utmost point of magnetite, produce the action of expection so as to making blade.

But along with for the action demand for control of shutter, blade more need have the action demand of aperture control simultaneously except the time with control shutter, so will make the action control of blade more complicated.In general; Can the logical magnetic of magnetite be formed with four extremely above magnetic regions; The arrangement that also promptly has the N utmost point, the S utmost point, the N utmost point, the S utmost point cooperates with the energising of coil down with yoke again, makes magnetite be formed with the variation of multiple suitable, de-rotation; Be formed with multisection type so as to control and change blade, and the requirement of reaching control shutter and aperture.

As shown in Figure 1, known general magnetite 11 mainly have a upper pan portion 111 and lower pan portion 112, one from the outstanding arm 113 of upper pan portion 111 lateral margin levels and from the terminal and drive division 114 of vertical projection of arm 113.Drive division 114 is to be interspersed in the blade, can drive blade deflection when rotating so as to magnetite 11.

Present magnetite 11 is mostly made with the metal of tool ferromagnetism (like iron, cobalt, nickel); Form magnetic pole at last again via logical magnetic to constitute magnetite; Yet the magnetite 11 of this kind structural design only can provide logical magnetic to form bipolar magnetic pole; As shown in Figure 2, if when providing logical magnetic to form the magnetic pole of four utmost points, then, outstanding arm 113 leads to magnetic machine 12 because of interfering with; And can't make magnetite 11 rotate the magnetic region that leads to magnetic and form four utmost points, so can't providing, this magnetite 11 is assembled in the comparatively complicated shutter of action control.

Summary of the invention

So the improving of the above-mentioned defective of thoughts proposes a kind of reasonable in design and effectively improve the present invention of above-mentioned defective.

The object of the invention is to propose a kind ofly to be easy to logical magnetic and to be formed with four extremely above magnetic poles and to be beneficial to mass-produced magnetite member.

Another object of the present invention be to propose a kind ofly to have above-mentioned magnetite member and need comparatively complicated shutter so as to applying to move control, and this shutter applications is in the camera module of portable mobile communications device.

For reaching above-mentioned purpose, the present invention provides a kind of four extremely above magnetite members that have, and it comprises a round plate and a drive division.Round plate is formed with the N utmost point and the S utmost point more than two pairs, and round plate have an annulus side, relative one first end face that is connected in the annulus side and one second end face, and one run through first and second end face axis hole.Drive division then from first and second end face of round plate one of them vertically projection form.

For reaching another above-mentioned purpose, the present invention more proposes a kind of shutter of camera module of portable mobile communications device, and it comprises a base, two solenoid valves, one first blade, a partition and two second blades.Base is provided with a unthreaded hole and two pivot posts, and solenoid valve respectively has one and is arranged at yoke, on the chassis side and is wound in coil on the yoke, and one is adjacent to yoke one side and rotating magnetite member.Each magnetite member promptly has round plate and the drive division in the above-mentioned explanation, and the pivot post pivot of base is through at the axis hole of this magnetite member.First vane group is located on the base, and the wherein drive division of a magnetite member of two solenoid valves is arranged in an end of first blade, to drive the unthreaded hole that first blade covers or open base.Partition is mounted on the base, and two second blades are located at the dividing plate top, and the drive division of another magnetite member of two solenoid valves is arranged in an end of two second blades, to drive the unthreaded hole that two second blades cover or open base.

The beneficial effect that the present invention has: form by the end face projection of drive division, and be not that lateral margin projection from round plate forms, so when logical magnetic from round plate; Drive division can't interfere with logical magnetic machine, therefore, and the demand in the time of complying with design; Make round plate can be formed with the four extremely above N utmost point and the S utmost points; Be beneficial to a large amount of manufacturings, the control that applies to then move needs in the comparatively complicated shutter, to reach the required function of demander.

Reach technology, method and the effect that set purpose is taked in order further to understand the present invention; See also following about detailed description of the present invention and accompanying drawing; Believe the object of the invention, characteristic and characteristics; Go deep into and concrete understanding when getting one thus, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the present invention is limited.

Description of drawings

Fig. 1 is the schematic perspective view of known magnetite.

Synoptic diagram when Fig. 2 is the logical magnetic of known magnetite and logical magnetic machine.

Fig. 3 is the stereographic map of magnetite member of the present invention.

Synoptic diagram when Fig. 4 leads to magnetic for magnetite member of the present invention and logical magnetic machine is formed with the signal of the magnetic pole of four utmost points shown in it.

Fig. 5 is formed with the synoptic diagram of the magnetic pole of sextupole for magnetite member of the present invention.

Fig. 6 is first combination view of shutter of the present invention.

Fig. 7 is second combination view of shutter of the present invention, and first blade shown in it is the state that covers.

Fig. 8 is the 3rd combination view of shutter of the present invention, the state of first blade shown in it for opening.

Fig. 9 is the 4th combination view of shutter of the present invention, and second blade shown in it is the state that covers.

Figure 10 is the 5th combination view of shutter of the present invention, the state of second blade shown in it for opening, and for knowing that the state that shows second blade has removed partition.

Description of reference numerals in the above-mentioned accompanying drawing is following:

Known

11 magnetites

111 upper pan portions, 112 lower pan portions

113 arms, 114 drive divisions

12 logical magnetic machines

The present invention

20 magnetite members

21,21 ' round plate

211 annulus sides, 212 first end faces

213 second end faces, 214 axis holes

22 drive divisions

2 shutters

30 bases

31 unthreaded holes, 32 pivot posts

40 yokes

50 coils

60 first blades

70 partitions

80 second blades

9 logical magnetic machines

The Z vertical direction

Embodiment

See also Fig. 3, a kind ofly have four extremely above magnetite members 20 for what the present invention proposed, it includes a round plate 21 and a drive division 22.

Round plate 21 have an annulus side 211, relative one first end face 212 that is connected in anchor ring and one second end face 213, and one run through first and second end face 212,213 axis hole 214.22 of drive divisions from first end of round plate 21 and second end face 212,213 one of them vertically the Z projection form.

Please cooperate and consult shown in Figure 4ly, when magnetite member 20 needs logical magnetic, form through the end face projection of drive division 22 from round plate 21; And be not that lateral margin projection from round plate 21 forms; So when leading to magnetic, drive division 22 can't interfere with logical magnetic machine 9, therefore; Can be according to the demand in when design, make round plate 21 can be formed with the N utmost point and the S utmost point of four extremely above and even numbers.As shown in Figure 4, round plate 21 is formed with the N utmost point and the S utmost point of four utmost points, or as shown in Figure 5, and round plate 21 ' is formed with the N utmost point and the S utmost point of sextupole.Wherein, the N utmost point of round plate 21 and the S utmost point are established to arrange with alternative ring and are formed at round plate 21.

Please cooperate shown in Figure 6ly again, magnetite member 20 of the present invention provides on the shutter 2 in order to the camera module that is installed in a portable mobile communications device, and described portable mobile communications device can be mobile phone or PDA etc.This shutter 2 has a base 30, two yokes 40 and the coil 50 that is wound in respectively on the yoke 40 that are arranged on base 30 sides.The central authorities of base 30 are provided with a unthreaded hole 31; And base 30 is provided with two pivot posts 32 are through at magnetite member 20 so as to pivot axis hole 214; Make the magnetite member 20 rotating bases 30 that are located at; And two magnetite members 20 are adjacent to yoke 40 1 sides respectively, to form two solenoid valves with yoke 40 and coil 50.

As shown in Figure 7, can be provided with first blade 60 on the base 30, wherein the drive division 22 of a magnetite member 20 promptly is arranged in an end of this first blade 60, so as to driving the action of first blade 60, like Fig. 7 and shown in Figure 8, can open or cover unthreaded hole 31 then.

As shown in Figure 9 again; More can be provided with a partition 70 on the base 30, being positioned at first blade, 60 tops, and above partition 70, be provided with two second blades 80 again; The drive division 22 of another magnetite member 20 promptly can be arranged in an end of these two second blades 80; So as to driving the action of two second blades 80,, can have the action of opening or covering unthreaded hole 31 like Fig. 9 and shown in Figure 10.In addition, two pivot posts 32 of base 30 pivot respectively are through at an end of first blade 60 and second blade 80, so as to the center as blade rotation.By above-mentioned; First blade 60 can be blade; 80 in second blade can be aperture blades; Yet, rotate stroke and make magnetite member 20 can make multisection type, and then can reach the control of aperture size and aperture time with the control blade via the magnetic pole of magnetite member 20 and mutual collocation and the effect between the both positive and negative polarity after coil 50 energisings.

That sums up says; Via the structural design of magnetite member of the present invention, it can make magnetite when leading to magnetic, can reach the magnetic pole more than the formation four extremely smoothly, is beneficial to a large amount of manufacturings; Then the control that applies to move needs in the comparatively complicated shutter, to reach the required function of demander.

The above-mentioned accompanying drawing that discloses, explanation; Be merely embodiments of the invention; All those of ordinary skills be when can doing other all improvement according to above-mentioned explanation, and these change and still belong in the scope that invention spirit of the present invention and accompanying claims define.

Claims

1. one kind has four extremely above magnetite members, on its shutter in order to the camera module that is installed in portable mobile communications device, it is characterized in that this magnetite member comprises:

One round plate, it is formed with the N utmost point and the S utmost point more than two pairs, and this round plate have an annulus side, relative one first end face that is connected in this annulus side and one second end face, and one run through this first and second end face axis hole; And

One drive division, its from first and second end face of this round plate one of them vertically projection form.

2. as claimed in claim 1 have four extremely above magnetite members, it is characterized in that the N of this round plate and the S utmost point are established arrangement with alternative ring and be formed at this round plate.

3. the shutter of the camera module of a portable mobile communications device is characterized in that, comprises:

One base, its central authorities are provided with a unthreaded hole, and this base is provided with two pivot posts;

Two solenoid valves; Respectively having one is arranged at yoke, on this chassis side and is wound in coil on this yoke, and one is adjacent to this yoke one side and rotating magnetite member; Each magnetite member has a round plate and a drive division; This round plate is formed with the N utmost point and the S utmost point more than two pairs; This round plate have an annulus side, relative one first end face that is connected in this annulus side and one second end face, and one run through this first and second end face axis hole, this drive division from first and second end face of this round plate one of them vertically projection form, the pivot post pivot of this base is through at the axis hole of this magnetite member;

One first blade is mounted on this base, and the wherein drive division of a magnetite member of said two solenoid valves is arranged in an end of this first blade, to drive the unthreaded hole that this first blade covers or open this base;

One partition is mounted on this base and is positioned at this first blade top; And

Two second blades are located at this dividing plate top, and the drive division of another magnetite member of said two solenoid valves is arranged in an end of said two second blades, to drive the unthreaded hole that said two second blades cover or open this base.

4. the shutter of the camera module of portable mobile communications device as claimed in claim 3 is characterized in that, the N of the round plate of the magnetite member of said two solenoid valves and the S utmost point are established to arrange with alternative ring and be formed at this round plate.