CN101750691A - Lens module - Google Patents
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- CN101750691A CN101750691A CN200810177119A CN200810177119A CN101750691A CN 101750691 A CN101750691 A CN 101750691A CN 200810177119 A CN200810177119 A CN 200810177119A CN 200810177119 A CN200810177119 A CN 200810177119A CN 101750691 A CN101750691 A CN 101750691A
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Abstract
The invention discloses a lens module, which at least comprises an upper connector, a spring piece, a magnet yoke, a plurality of magnets, a coil assembly, a fixed cylinder and a lower connector which includes a lower shell and a base, wherein the magnet yoke is arranged below the spring piece and is provided with a hollow cylindrical inner wall, a plurality of plate structures which are arranged along the radial direction of the hollow cylindrical inner wall and are axially extended downwards, a wall top connected with the hollow cylindrical inner wall, and top part surfaces of the plate tops of the plate structures; therein, the plate structures which are arranged at interval at the periphery of the top part surfaces are arranged at the outer side of the hollow cylindrical inner wall; in addition, the bottom part of the fixed cylinder body is distributed circumferentially and is provided with at least two bulge structures at interval, and the bottom part of the lower connector is provided with at least two sunk parts which are matched with the two bulge structures.
Description
Technical field
The present invention is about a kind of camera lens module, and particularly a kind of (Voice VariableMotor VCM) carries out the camera lens module of drive controlling with voice coil motor.
Background technology
At present in the technical field of camera lens module, because with voice coil motor (Voice Variable Motor, VCM) way of carrying out drive controlling has the size that can make integral mirror head mould group and reaches and dwindle relatively and advantage that cost is low, therefore, being widely used in tool focuses in the camera lens module of (Auto Focus) function and the little bat of tool (Auto Macro) function automatically.
See also Fig. 1 to Fig. 4 B; Wherein, Fig. 1 is a known decomposing schematic representation that carries out the camera lens module of drive controlling with voice coil motor; Synoptic diagram and schematic side view along AA ' Section line are looked in the end that is respectively the yoke in the aforementioned known camera lens module shown in Fig. 2 A and Fig. 2 B; Fig. 2 C is depicted as the enlarged diagram of most magnetites in the aforementioned known camera lens module; Synoptic diagram and schematic side view along BB ' Section line are looked in the end that is respectively the stationary magazine creel in the aforementioned known camera lens module shown in Fig. 3 A and Fig. 3 B; The schematic top view of conjunction under being respectively in the aforementioned known camera lens module shown in Fig. 4 A and Fig. 4 B is with the amplification schematic side view along CC ' Section line of the spacing guide pillar that is arranged in this time conjunction.
This known camera lens module 10 comprises at least: conjunction 11 on, upper spring spare 12, a yoke 13, most magnetites 14, a coil groups 15, a stationary magazine creel 16, pads 17, comprise the lower spring spare 18 of two spring leafs 181,182 and conjunction 19 once.
And, on this, around the conjunction 11, have 101 most columns 111 that also extend vertically downwards; And this upper spring spare 12 is positioned at the below of conjunction 11 on this, and between thereunder interior coil structures 121 and its top outer ring structure 122, has a tortuous elastic construction 123.Wherein, coil structures 121 is not positioned at same horizontal plane and is a upper and lower spatial relation with this top outer ring structure 122 in this below.
Moreover this yoke 13 is positioned at the below of this upper spring spare 12; It has a hollow cylindrical inwall 131, vertically 101 ring-type outer wall constructions 132 that extend downwards, with the top surface 133 on the wall top of the wall top that links this hollow cylindrical inwall 131 and this ring-type outer wall construction 132; Wherein, this ring-type outer wall construction 132 forms along extending downwards on every side of this top surface 133, and is positioned at the outside of this hollow cylindrical inwall 131; In addition, the axial height of this hollow cylindrical inwall 131 is lower than the axial height of this ring-type outer wall construction 132.
In addition, by Fig. 2 A and Fig. 2 B as can be known, three element such as the bottom 1331 of this ring-type outer wall construction 132, this top surface 133 and this hollow cylindrical inwall 131 constitute an open dented space jointly.Certainly, described magnetite 14 is attached at the inner surface 1321 of this ring-type outer wall construction 132 accordingly.
As for this stationary magazine creel 16, the inwall of its stack shell is provided with a helicitic texture 161 that supplies in conjunction with the shank of lens (scheming not shown), and in the periphery outward radial of the bottom 162 of its stack shell be extended with along around distribute for an annular carrying flange 1621 of this coil groups 15 of carrying, and in this annular carrying flange 1621 along around most spacing holes 16211 distributing and be provided with at interval; Wherein, this annular carrying flange 1621 is in 10 operating periods of this known camera lens module, in order at the bottom of the wall that is resisted against this hollow cylindrical inwall 131 1311.
At last, this time conjunction 19 has most the engagement grooves 191 of arranging in pairs or groups mutually with described column 111, and be arranged at bottom 192 and with described spacing hole 16211 most spacing guide pillars 193 of collocation mutually, make conjunction 11 on this, this upper spring spare 121, be pasted with elements such as this yoke 13 of described magnetite 14, this stationary magazine creel 16 that carries this coil groups 15, this pad 17, this lower spring spare 18 and this time conjunction 19, be assembled in one.
As for as how voice coil motor (scheme not shown) export a Control current to this coil groups 15, so that these lens that are incorporated into above-mentioned camera lens module 10 are carried out drive controlling, and then reach the concrete enforcement way of automatic focus function or micro-shooting function, know and the invention emphasis place of non-this case for person skilled in the art person because of it, just no longer given unnecessary details at this.
No matter above-mentioned is the optical lens module of automatic focus function of known tool or tool micro-shooting function, all there is following disappearance in it:
1, please cooperate and consult shown in Fig. 2 C, Fig. 2 B, can find out obviously that therein arbitrary magnetite all is an arc-shaped surface 141, this makes described magnetite 14 can be attached at the inner surface 1321 of described lead angle 1322 smoothly for four lead angles 1322 that this ring-type outer wall construction 132 in this yoke 13 of cooperation is had; Yet, because of the curvature of described lead angle 1322 in the actual fabrication process and wayward its machining precision, the curvature that therefore might produce the curvature of arc-shaped surface 141 of described magnetite 14 and described lead angle 1322 is inconsistent, causing described magnetite 14 can't closely be attached at described lead angle 1322, and then produce obscission.
2, the size because of above-mentioned camera lens module 10 is generally all in the extreme little, integrated structure design for 193 of the described spacing guide pillars in the described spacing hole 16211 in this stationary magazine creel 16 and this time conjunction 19, often easily in assembling process, make described spacing guide pillar 193 lose problem, and then cause the untrue phenomenon of assembling; And, because of need having certain aperture degree of depth, described spacing hole 16211 can bring into play assembling effect, thus, extension is reduced effectively from the height of this annular carrying flange 1621 of this stack shell bottom 162, and then influence the effect of dwindling camera lens module overall dimensions.
Summary of the invention
The object of the present invention is to provide a kind of camera lens module with magnetic yoke structure of simple designs.
Another object of the present invention is to provide a kind of camera lens module that can make stationary magazine creel and the integrated structure that conveniently be incorporated into firm that has with conjunction down.
To achieve these goals, the invention provides a kind of camera lens module, comprise: conjunction on, most columns that around it, have vertically and extend downwards; One spring part is positioned at the below of conjunction on this, and between coil structures and its outer ring structure, has a tortuous elastic construction in it; One yoke, be positioned at the below of this spring part, it has a hollow cylindrical inwall, be positioned at the radial direction of this hollow cylindrical inwall and most sheet slab constructions of extending vertically downwards, with the top surface on the plate top of wall top that links this hollow cylindrical inwall and described slab construction; Wherein, the described slab construction that is provided with at interval of mode is positioned at the outside of this hollow cylindrical inwall around this top surface, and the axial height of this hollow cylindrical inwall is lower than the axial height of arbitrary slab construction; Most magnetites are attached at the inner surface of described slab construction accordingly; One stationary magazine creel, its stack shell is in order to be arranged among this hollow cylindrical inwall, and the inwall of its stack shell is provided with one first integrated structure that supplies in conjunction with the shank of lens, and around the bottom peripheral edge outward radial of its stack shell is extended with the edge, distributing, and one second integrated structure of setting at interval that around the edge, bottom of its stack shell, distributes also for a carrying flange that carries a coil groups; And conjunction once, it has the engagement groove of arranging in pairs or groups mutually with described column, and one the 3rd integrated structure of arranging in pairs or groups mutually with this second integrated structure, make conjunction on this, this spring part, be pasted with elements such as this yoke of described magnetite, this stationary magazine creel that carries this coil groups and this time conjunction, be assembled in one.
According to above-mentioned preferable way, wherein this spring part is the single plane spring, coil structures in this, this outer ring structure and should the complications elastic construction all be interconnected and be positioned at same plane.
According to above-mentioned preferable way, wherein also comprise another spring part, it is arranged between the bottom and this time conjunction of this stationary magazine creel stack shell, and this another spring part is the single plane spring, and it comprised in another coil structures, another outer ring structure and be located at this another in another tortuous elastic construction between coil structures and this another outer ring structure, all be interconnected and be positioned at same plane.
According to above-mentioned preferable way, wherein this hollow cylindrical inwall, described slab construction and this top surface, a metalwork that is formed in one.
According to above-mentioned preferable way, the arbitrary slab construction in the wherein said slab construction is a rectangular flat structure, and and this top surface between be a vertical angle.
According to above-mentioned preferable way, wherein said slab construction is symmetricly set in the diagonal line of this top surface with interval mode.
According to above-mentioned preferable way, the quantity of wherein said slab construction is two or four.
According to above-mentioned preferable way, wherein using for this first integrated structure in conjunction with the shank of these lens is a helicitic texture.
According to above-mentioned preferable way, wherein the bottom peripheral edge outward radial in this stack shell is extended with along distributing on every side and being provided with at interval at least two carrying flanges that carry this coil groups.
According to above-mentioned preferable way, wherein this arbitrary carrying flange is a horizontal columns body structure, and certainly this stack shell the outside horizontal-extending of bottom peripheral edge and be symmetrical arranged.
According to above-mentioned preferable way, the quantity of wherein said carrying flange is two or four.
According to above-mentioned preferable way, wherein this second integrated structure is at least two bulge-structures, and the 3rd integrated structure is at least two depressed parts of arranging in pairs or groups mutually with this at least two bulge-structure.
According to above-mentioned preferable way, wherein this at least two bulge-structure and this at least two depressed part are respectively at least two lug bosses and at least two limited impressions.
According to above-mentioned preferable way, wherein the quantity of this at least two bulge-structure and this at least two depressed part all is respectively two or six.
According to above-mentioned preferable way, wherein when carrying an electric current to this coil groups, to make this yoke that is pasted with described magnetite and carry the electromagnetism magnetic effect that produces between this stationary magazine creel of this coil groups, and this stationary magazine creel is upwards attracted and and then this carrying flange is resisted against at the bottom of the wall of this hollow cylindrical inwall, and when stopping to carry this electric current, by the elastic restoring force of this spring part and make this stationary magazine creel return the original position to this coil groups.
The preferable way of another of this case is about a kind of camera lens module, comprises: conjunction on, most columns that have vertically around it and extend downwards; One spring part is positioned at the below of conjunction on this, and between coil structures and its outer ring structure, has a tortuous elastic construction in it; One yoke is positioned at the below of this spring part, its have a hollow cylindrical inwall, a side structure of extending downwards vertically, with the top surface on the wall top of the wall top that links this hollow cylindrical inwall and this side structure; Wherein, this side structure that is provided with around this top surface is positioned at the outside of this hollow cylindrical inwall, and the axial height of this hollow cylindrical inwall is lower than the axial height of this side structure; Most magnetites are attached at the inner surface of this side structure accordingly; One stationary magazine creel, its stack shell is in order to be arranged among this hollow cylindrical inwall, and the inwall of its stack shell is provided with one first integrated structure that supplies in conjunction with the shank of lens, and the bottom peripheral edge outward radial of its stack shell be extended with along around distribute and at least two carrying flanges that are provided with at interval for carrying one coil groups, and in the bottom of its stack shell along around at least two bulge-structures that distribute and be provided with at interval; And conjunction once, it has the engagement groove of arranging in pairs or groups mutually with described column, and at least two depressed parts of arranging in pairs or groups mutually with this at least two bulge-structure, make conjunction on this, this spring part, be pasted with elements such as this yoke of described magnetite, this stationary magazine creel that carries this coil groups and this time conjunction, be assembled in one.
According to above-mentioned preferable way, wherein this spring part is the single plane spring, coil structures in this, this outer ring structure and should the complications elastic construction all be interconnected and be positioned at same plane.
According to above-mentioned preferable way, wherein also comprise another spring part, it is arranged between the bottom and this time conjunction of this stationary magazine creel stack shell, and this another spring part is the single plane spring, and it comprised in another coil structures, another outer ring structure and be located at this another in another tortuous elastic construction between coil structures and this another outer ring structure, all be interconnected and be positioned at same plane.
According to above-mentioned preferable way, wherein this hollow cylindrical inwall, this outer wall construction and this top surface, a metalwork that is formed in one.
According to above-mentioned preferable way, wherein this side structure comprises independently slab construction of most sheets, and described magnetite is attached at the inner surface of described slab construction accordingly.
According to above-mentioned preferable way, wherein said slab construction is positioned at the radial direction of this hollow cylindrical inwall, and mode is provided with at interval and is located at the outside of this hollow cylindrical inwall around this top surface.
According to above-mentioned preferable way, the arbitrary slab construction in the wherein said slab construction is a rectangular flat structure, and and this top surface between be a vertical angle.
According to above-mentioned preferable way, wherein said slab construction is symmetricly set in the diagonal line of this top surface with interval mode.
According to above-mentioned preferable way, the quantity of wherein said slab construction is two or four.
According to above-mentioned preferable way, wherein using for this first integrated structure in conjunction with the shank of these lens is a helicitic texture.
According to above-mentioned preferable way, wherein this arbitrary carrying flange is a horizontal columns body structure, and certainly this stack shell the outside horizontal-extending of bottom peripheral edge and be symmetrical arranged.
According to above-mentioned preferable way, the quantity of wherein said carrying flange is two or four.
According to above-mentioned preferable way, wherein this at least two bulge-structure and this at least two depressed part are respectively at least two lug bosses and at least two limited impressions.
According to above-mentioned preferable way, wherein the quantity of this at least two bulge-structure and this at least two depressed part all is respectively two or six.
According to above-mentioned preferable way, wherein when carrying an electric current to this coil groups, to make this yoke that is pasted with described magnetite and carry the electromagnetism magnetic effect that produces between this stationary magazine creel of this coil groups, and this stationary magazine creel is upwards attracted and and then described carrying flange is resisted against at the bottom of the wall of this hollow cylindrical inwall, and when stopping to carry this electric current, by the elastic restoring force of this spring part and make this stationary magazine creel return the original position to this coil groups.
From the above, the invention provides a kind of camera lens module, it has the magnetic yoke structure of simple designs, and stationary magazine creel also is incorporated into easily with conjunction is firm down.
Description of drawings
Fig. 1 is a known decomposing schematic representation that carries out the camera lens module of drive controlling with voice coil motor;
Synoptic diagram and schematic side view along AA ' Section line are looked in the end that Fig. 2 A, Fig. 2 B are respectively the yoke in the aforementioned known camera lens module;
Fig. 2 C is the enlarged diagram of most magnetites in the aforementioned known camera lens module;
Synoptic diagram and schematic side view along BB ' Section line are looked in the end that Fig. 3 A, Fig. 3 B are respectively the stationary magazine creel in the aforementioned known camera lens module;
The schematic top view of conjunction under Fig. 4 A, Fig. 4 B are respectively in the aforementioned known camera lens module is with the amplification schematic side view along CC ' Section line of the spacing guide pillar that is arranged in this time conjunction;
Fig. 5 carries out the decomposing schematic representation of a preferable camera lens module of drive controlling with voice coil motor for this case;
Fig. 6 A, Fig. 6 B are respectively the front/rear synoptic diagram of action of the camera lens module of the lensed tool micro-shooting function of installing;
Fig. 7 A to Fig. 7 C is respectively the schematic top view and the end of the yoke in the aforementioned preferred embodiment and looks synoptic diagram, and along the schematic side view of DD ' Section line;
Fig. 8 A to Fig. 8 C is respectively the schematic top view and the end of the another kind of embodiment of aforementioned yoke 43 and looks synoptic diagram;
Synoptic diagram and schematic side view along FF ' Section line are looked in the end that Fig. 9 A, Fig. 9 B are respectively the stationary magazine creel in the aforementioned preferred embodiment;
Schematic top view that Figure 10 A, Figure 10 B are respectively the following conjunction in the aforementioned preferred embodiment and schematic side view along GG ' Section line;
Synoptic diagram and schematic side view along HH ' Section line are looked in the end that Figure 11 A, Figure 11 B are respectively the another kind of embodiment of stationary magazine creel in the aforementioned preferred embodiment.
The main element label declaration:
Fig. 1 to Fig. 4:
Known camera lens module 10
Last conjunction 11
Inside and outside coil structures 121,122
Tortuous elastic construction 123
Hollow cylindrical inwall 131
At the bottom of the wall of hollow cylindrical inwall 1311
Ring-type outer wall construction 132
The inner surface 1321 of ring-type outer wall construction
The lead angle 1322 of ring-type outer wall construction
The bottom 1331 of top surface
Arc-shaped surface 141
The bottom 162 of stationary magazine creel stack shell
Spacing hole 16211
Spring leaf 181,182
Following conjunction 19
The bottom 192 of following conjunction
Spacing guide pillar 193
Fig. 5 to Figure 11 B
Plane spring spare 42
Inside and outside coil structures 421,422
Tortuous elastic construction 423
Hollow cylindrical inwall 431,531
At the bottom of the wall of hollow cylindrical inwall 4311,5311
Rectangular flat structure 432,532
The inner surface 4321,5321 of rectangular flat structure
Top surface 433,533
The bottom 4331,5331 of top surface
The bottom 462,562 of stationary magazine creel stack shell
Carrying flange (horizontal columns body structure) 4621,5621
Bulge-structure 463,563
Following conjunction 47
Shell body 471
Depressed part 47221 to 47226
Shift motion L
Embodiment
Below enumerate a preferred embodiment with explanation the present invention, but the personnel that are familiar with this technology know that all this only is one for example, are not in order to qualification invention itself; And the inventive concept of this case can be applicable to focus the automatically camera lens module of (Auto Focus) function or tool automatic micro-shooting (Auto Macro) function of tool.
Please consult Fig. 5, Fig. 7 A to Fig. 7 C, Fig. 9 A, 9B, Figure 10 A, 10B earlier; Wherein, Fig. 5 carries out the decomposing schematic representation of a preferable camera lens module of drive controlling with voice coil motor for this case; Synoptic diagram is looked at the schematic top view and the end that are respectively the yoke in the aforementioned preferred embodiment shown in Fig. 7 A to Fig. 7 C, and along the schematic side view of DD ' Section line; Synoptic diagram and schematic side view along FF ' Section line are looked in the end that is respectively the stationary magazine creel in the aforementioned preferred embodiment shown in Fig. 9 A and Fig. 9 B; Schematic top view that is respectively the following conjunction in the aforementioned preferred embodiment shown in Figure 10 A and Figure 10 B and schematic side view along GG ' Section line.
Wherein, on this, have 401 most columns 411 that also extend vertically around the conjunction 41 downwards.As for this spring part 42, preferable way is the single plane spring, and is positioned at the below of conjunction 41 on this, simultaneously, between coil structures 421 and its outer ring structure 422, has a tortuous elastic construction 423 within it; Again, coil structures 421 in this, this outer ring structure 422 and should complications elastic construction 423 all be interconnected and be positioned at same plane.
As for this yoke 43, then be positioned at the below of this spring part 42, it has a hollow cylindrical inwall 431, be positioned at the radial direction of this hollow cylindrical inwall 431 and vertically 401 most sheet slab constructions 432 of extending downwards, with the top surface 433 on the plate top of wall top that links this hollow cylindrical inwall 431 and described slab construction 432; Wherein, the described slab construction 432 that is provided with at interval of mode is positioned at the outside of this hollow cylindrical inwall 431 around this top surface 433, and the axial height of this hollow cylindrical inwall 431 is lower than the axial height of arbitrary slab construction 432; Certainly, 44 inner surfaces 4321 that are attached at described slab construction 432 accordingly of described magnetite.
In addition, by Fig. 7 A to Fig. 7 C as can be known, three element such as the bottom 4331 of described slab construction 432, this top surface 433 and this hollow cylindrical inwall 431 constitute an open dented space jointly.
Have again, be provided with for a helicitic texture 461 at the inwall of the stack shell of this stationary magazine creel 46 in conjunction with the shank of lens (see also indicate among Fig. 6 A 48 element), and distribution and interval setting are carried flanges 4621 at least two of carrying one coil groups 45 around the bottom of its stack shell 462 periphery outward radials are extended with the edge, and at 462 edges, the bottom distribution on every side of its stack shell and at least two bulge-structures 463 of interval setting.
In addition, has the engagement groove 4721 of arranging in pairs or groups mutually with described column 411 in pedestal 472 bottoms of this time conjunction 47, and with this at least two bulge-structure 463 at least two depressed parts 47221 to 47222 of collocation mutually, make conjunction 41 on this, this spring part 42, be pasted with elements such as this yoke 43 of described magnetite 44, this stationary magazine creel 46 that carries this coil groups 45 and this time conjunction 47, be assembled in one.
One preferable way, this hollow cylindrical inwall 431, described slab construction 432 and this top surface 433, a metalwork that is formed in one.
As for the embodiment of described slab construction 432, can make arbitrary slab construction 432 is a rectangular flat structure, and and 433 of this top surfaces be a vertical angle.And described slab construction 432 is symmetricly set in the diagonal line of this top surface 433 with interval mode.So simple design can be avoided known technology to attach incomplete defective because of need carry out easy generation of curvature job sequence, and save cost.
With the present embodiment is example, the quantity of described slab construction is two, but can be increased according to circumstances, for example, synoptic diagram is looked at the schematic top view and the end that are respectively the another kind of embodiment of aforementioned yoke 43 shown in Fig. 8 A to Fig. 8 C, and along the schematic side view of EE ' Section line.That is, another kind of yoke 53, also can be arranged at the below of this spring part 42, it has a hollow cylindrical inwall 531, be positioned at the radial direction of this hollow cylindrical inwall 531 and vertically 401 four slab constructions 532 of extending downwards, with the top surface 533 on the plate top of the wall top that links this hollow cylindrical inwall 531 and these four slab constructions 532; Wherein, these four slab constructions 532 of being provided with at interval of mode around this top surface 533 be positioned at the outside of this hollow cylindrical inwall 531, and the axial height of this hollow cylindrical inwall 531 are lower than the axial height of arbitrary slab construction 532.
See also shown in Fig. 9 A and Fig. 9 B, the arbitrary carrying flange in the described carrying flange 4621 is preferably a horizontal columns body structure again, and certainly this stack shell the outside horizontal-extending of bottom 462 peripheries and be symmetrical arranged.Wherein, the quantity of described carrying flange 4621 can be two (as shown in this embodiment) or four (scheming not shown).
In like manner, described bulge-structure 463 and described depressed part 47221 to 47226, be respectively at least two lug bosses and at least two limited impressions, and its employed quantity is two (47221,47222) in present embodiment, but can be increased according to circumstances, for example can be increased to six (47221 to 47226); Please cooperate and consult shown in Figure 11 A and Figure 11 B, its end that is respectively the another kind of embodiment of stationary magazine creel in the aforementioned preferred embodiment look synoptic diagram with along the schematic side view of HH ' Section line.
That is, be provided with for a helicitic texture (scheming not shown) at the stack shell inwall of the stationary magazine creel 56 of another kind of embodiment in conjunction with the shank of lens, and distribution and interval setting are carried flanges 5621 at least two of this coil groups 45 of carrying around the bottom of its stack shell 562 periphery outward radials are extended with the edge, and in 562 edges, the bottom distribution on every side of its stack shell and six bulge-structures 563 of interval setting.
These six depressed parts 47221 to 47226 that aforementioned these pedestal 472 bottoms are had, can be in order to arrange in pairs or groups mutually with these 6 bulge-structures 563, make conjunction 41 on this, this spring part 42, be pasted with elements such as this yoke 43 of described magnetite 44, this stationary magazine creel 56 that carries this coil groups 45 and this time conjunction 47, be assembled in one.
As for relevant this case specifically make flowing mode, then see also the front/rear synoptic diagram of action of the camera lens module of the lensed tool micro-shooting function of installing shown in Fig. 6 A, Fig. 6 B.When carrying a fixed current to this coil groups 45, with 46 generations of this stationary magazine creel, the one electromagnetism magnetic effect that makes this yoke 43 that is pasted with described magnetite 44 and carry this coil groups 45, and this stationary magazine creel 46 is attracted and carries out a shift motion (as indicating among Fig. 6 A shown in the L), and and then make described at least two carrying flanges 4621 be resisted against 4311 (shown in Fig. 6 B) at the bottom of the wall of this hollow cylindrical inwall 431.Certainly, these lens 48 that be arranged in this stationary magazine creel 46 this moment also carry out this shift motion together with the step, and this spring part 42 of replacing above being positioned at will produce elastic deformation.
In case stop to carry this fixed current to this coil groups 45, then by the restoring force that elastic deformation produced of this spring part 42, can and make this stationary magazine creel 46 return original position (as shown in Figure 6A).
Certainly, this case also has other equalization change design, for example, with known yoke shown in Figure 1 13 collocation this cases this stationary magazine creel 46 and this time conjunction 47 shown in Figure 5, or with this case yoke 43 collocation known stationary magazine creel 16 and this time conjunction 19 shown in Figure 1 shown in Figure 5; But, the invention spirit of its neither disengaging this case and the interest field of institute's desire protection.
The above-mentioned preferred embodiment of this case is used for reaching the function of automatic micro-shooting (Auto Macro).As for as desiring to change into automatically (Auto Focus) function of focusing, then can between the bottom 462 and this time conjunction 47 of these stationary magazine creel 46 stack shells in the above-mentioned preferable camera lens module 40, set up another spring part (scheming not shown); Wherein, this another spring part is the single plane spring, and it comprised in another coil structures, another outer ring structure and be located at this another in another tortuous elastic construction between coil structures and this another outer ring structure, all be interconnected and be positioned at same plane.
In simple terms, by the way of this case, can obtain the magnetic yoke structure of a tool simple designs and have to make the camera lens module of stationary magazine creel with the firm integrated structure that also conveniently is incorporated into of following conjunction.
The above only is the schematic embodiment of the present invention, is not in order to limit scope of the present invention.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present invention and principle and modification all should belong to the scope of protection of the invention.
Claims (30)
1. a camera lens module is characterized in that, described camera lens module comprises:
Conjunction on one, most columns that around it, have vertically and extend downwards;
One spring part is positioned at the below of conjunction on this, and between coil structures and its outer ring structure, has a tortuous elastic construction in it;
One yoke, be positioned at the below of this spring part, it has a hollow cylindrical inwall, be positioned at the radial direction of this hollow cylindrical inwall and most sheet slab constructions of extending vertically downwards, with the top surface on the plate top of wall top that links this hollow cylindrical inwall and described slab construction; Wherein, the described slab construction that is provided with at interval of mode is positioned at the outside of this hollow cylindrical inwall around this top surface, and the axial height of this hollow cylindrical inwall is lower than the axial height of arbitrary slab construction;
Most magnetites are attached at the inner surface of described slab construction accordingly;
One stationary magazine creel, its stack shell is in order to be arranged among this hollow cylindrical inwall, and the inwall of its stack shell is provided with one first integrated structure that supplies in conjunction with the shank of lens, and around the bottom peripheral edge outward radial of its stack shell is extended with the edge, distributing, and one second integrated structure of setting at interval that around the edge, bottom of its stack shell, distributes also for a carrying flange that carries a coil groups; And
Conjunction once, it has the engagement groove of arranging in pairs or groups mutually with described column, and one the 3rd integrated structure of arranging in pairs or groups mutually with this second integrated structure, make conjunction on this, this spring part, be pasted with elements such as this yoke of described magnetite, this stationary magazine creel that carries this coil groups and this time conjunction, be assembled in one.
2. camera lens module according to claim 1 is characterized in that, this spring part is the single plane spring, coil structures in this, this outer ring structure and should the complications elastic construction all be interconnected and be positioned at same plane.
3. camera lens module according to claim 1, it is characterized in that, also comprise another spring part, it is arranged between the bottom and this time conjunction of this stationary magazine creel stack shell, and this another spring part is the single plane spring, and it comprised in another coil structures, another outer ring structure and be located at this another in another tortuous elastic construction between coil structures and this another outer ring structure, all be interconnected and be positioned at same plane.
4. camera lens module according to claim 1 is characterized in that, this hollow cylindrical inwall, described slab construction and this top surface, a metalwork that is formed in one.
5. camera lens module according to claim 1 is characterized in that, the arbitrary slab construction in the described slab construction is a rectangular flat structure, and and this top surface between be a vertical angle.
6. camera lens module according to claim 1 is characterized in that, described slab construction is symmetricly set in the diagonal line of this top surface with interval mode.
7. camera lens module according to claim 6 is characterized in that, the quantity of described slab construction is two or four.
8. camera lens module according to claim 1 is characterized in that, using for this first integrated structure in conjunction with the shank of these lens is a helicitic texture.
9. camera lens module according to claim 1 is characterized in that, distributes and at least two carrying flanges of interval setting for this coil groups of carrying around the bottom peripheral edge outward radial of this stack shell is extended with the edge.
10. camera lens module according to claim 9 is characterized in that, this arbitrary carrying flange is a horizontal columns body structure, and certainly this stack shell the outside horizontal-extending of bottom peripheral edge and be symmetrical arranged.
11. camera lens module according to claim 9 is characterized in that, the quantity of described carrying flange is two or four.
12. camera lens module according to claim 1 is characterized in that, this second integrated structure is at least two bulge-structures, and the 3rd integrated structure is at least two depressed parts of arranging in pairs or groups mutually with this at least two bulge-structure.
13. camera lens module according to claim 12 is characterized in that, this at least two bulge-structure and this at least two depressed part are respectively at least two lug bosses and at least two limited impressions.
14. camera lens module according to claim 12 is characterized in that, the quantity of this at least two bulge-structure and this at least two depressed part all is respectively two or six.
15. camera lens module according to claim 1, it is characterized in that, when carrying an electric current to this coil groups, to make this yoke that is pasted with described magnetite and carry the electromagnetism magnetic effect that produces between this stationary magazine creel of this coil groups, and this stationary magazine creel is upwards attracted and and then this carrying flange is resisted against at the bottom of the wall of this hollow cylindrical inwall, and when stopping to carry this electric current, by the elastic restoring force of this spring part and make this stationary magazine creel return the original position to this coil groups.
16. a camera lens module is characterized in that, described camera lens module comprises:
Conjunction on one, most columns that around it, have vertically and extend downwards;
One spring part is positioned at the below of conjunction on this, and between coil structures and its outer ring structure, has a tortuous elastic construction in it;
One yoke is positioned at the below of this spring part, its have a hollow cylindrical inwall, a side structure of extending downwards vertically, with the top surface on the wall top of the wall top that links this hollow cylindrical inwall and this side structure; Wherein, this side structure that is provided with around this top surface is positioned at the outside of this hollow cylindrical inwall, and the axial height of this hollow cylindrical inwall is lower than the axial height of this side structure;
Most magnetites are attached at the inner surface of this side structure accordingly;
One stationary magazine creel, its stack shell is in order to be arranged among this hollow cylindrical inwall, and the inwall of its stack shell is provided with one first integrated structure that supplies in conjunction with the shank of lens, and the bottom peripheral edge outward radial of its stack shell be extended with along around distribute and at least two carrying flanges that are provided with at interval for carrying one coil groups, and in the bottom of its stack shell along around at least two bulge-structures that distribute and be provided with at interval; And
Conjunction once, it has the engagement groove of arranging in pairs or groups mutually with described column, and at least two depressed parts of arranging in pairs or groups mutually with this at least two bulge-structure, make conjunction on this, this spring part, be pasted with elements such as this yoke of described magnetite, this stationary magazine creel that carries this coil groups and this time conjunction, be assembled in one.
17. camera lens module according to claim 16 is characterized in that, this spring part is the single plane spring, coil structures in this, this outer ring structure and should the complications elastic construction all be interconnected and be positioned at same plane.
18. camera lens module according to claim 16, it is characterized in that, also comprise another spring part, it is arranged between the bottom and this time conjunction of this stationary magazine creel stack shell, and this another spring part is the single plane spring, and it comprised in another coil structures, another outer ring structure and be located at this another in another tortuous elastic construction between coil structures and this another outer ring structure, all be interconnected and be positioned at same plane.
19. camera lens module according to claim 16 is characterized in that, this hollow cylindrical inwall, this outer wall construction and this top surface, a metalwork that is formed in one.
20. camera lens module according to claim 16 is characterized in that, this side structure comprises independently slab construction of most sheets, and described magnetite is attached at the inner surface of described slab construction accordingly.
21. camera lens module according to claim 20 is characterized in that described slab construction is positioned at the radial direction of this hollow cylindrical inwall, and mode is provided with at interval and is located at the outside of this hollow cylindrical inwall around this top surface.
22. camera lens module according to claim 21 is characterized in that, the arbitrary slab construction in the described slab construction is a rectangular flat structure, and and this top surface between be a vertical angle.
23. camera lens module according to claim 21 is characterized in that, described slab construction is symmetricly set in the diagonal line of this top surface with interval mode.
24. camera lens module according to claim 20 is characterized in that, the quantity of described slab construction is two or four.
25. camera lens module according to claim 16 is characterized in that, using for this first integrated structure in conjunction with the shank of these lens is a helicitic texture.
26. camera lens module according to claim 16 is characterized in that, this arbitrary carrying flange is a horizontal columns body structure, and certainly this stack shell the outside horizontal-extending of bottom peripheral edge and be symmetrical arranged.
27. camera lens module according to claim 16 is characterized in that, the quantity of described carrying flange is two or four.
28. camera lens module according to claim 16 is characterized in that, this at least two bulge-structure and this at least two depressed part are respectively at least two lug bosses and at least two limited impressions.
29. camera lens module according to claim 16 is characterized in that, the quantity of this at least two bulge-structure and this at least two depressed part all is respectively two or six.
30. camera lens module according to claim 16, it is characterized in that, when carrying an electric current to this coil groups, to make this yoke that is pasted with described magnetite and carry the electromagnetism magnetic effect that produces between this stationary magazine creel of this coil groups, and this stationary magazine creel is upwards attracted and and then described carrying flange is resisted against at the bottom of the wall of this hollow cylindrical inwall, and when stopping to carry this electric current, by the elastic restoring force of this spring part and make this stationary magazine creel return the original position to this coil groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101771190A CN101750691B (en) | 2008-12-05 | 2008-12-05 | Lens module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101771190A CN101750691B (en) | 2008-12-05 | 2008-12-05 | Lens module |
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| Publication Number | Publication Date |
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| CN101750691A true CN101750691A (en) | 2010-06-23 |
| CN101750691B CN101750691B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101771190A Expired - Fee Related CN101750691B (en) | 2008-12-05 | 2008-12-05 | Lens module |
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| Country | Link |
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| CN (1) | CN101750691B (en) |
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