CN208297898U

CN208297898U - driving mechanism

Info

Publication number: CN208297898U
Application number: CN201721704301.8U
Authority: CN
Inventors: 吴富源; 黄诗婷; 聂奕心; 宋欣忠
Original assignee: TDK Taiwan Corp
Current assignee: TDK Taiwan Corp
Priority date: 2016-12-23
Filing date: 2017-12-08
Publication date: 2018-12-28
Anticipated expiration: 2027-12-08
Also published as: CN108241197A; TW201823837A; JP2018106168A; JP7120760B2; CN108241197B; TWI663463B

Abstract

A kind of driving mechanism, to drive an optical module, driving mechanism includes an outline border module, a load-bearing part and an electromagnetic drive component.Load-bearing part is set in outline border module, and to accommodate optical module, wherein load-bearing part has side wall portion, and sidewall portion is formed with a perforation.Electromagnetic drive component includes one first magnet assembly and one second magnet assembly, wherein the first magnet assembly is set on load-bearing part, and the inside of load-bearing part is revealed in by perforating.Second magnet assembly connects outline border module and corresponds to the first magnet assembly, to drive load-bearing part mobile relative to outline border module.

Description

Driving mechanism

Technical field

The utility model relates to a kind of driving mechanisms more particularly to one kind can pass through electromagnetic driving force The driving mechanism of (electromagnetic force) moving optical assembly.

Background technique

With the fast development of mechanics of communication, photographic film module is widely used in mobile phone by people, plate calculates In the portable electronic devices such as machine.However, would generally arrange in pairs or groups electricity in order to improve photographic quality captured by photographic film module Magnetic driving mechanism is to adjust the position of optical mirror slip, to reach the function of auto-focusing (autofocus) and/or zoom (zoom) Can, and then clearly image can be showed on a photosensory assembly.

Since photographic film module has tended to be miniaturized in recent years, pole needs to reduce the volume of its driving mechanism, but It so also tends to will lead to the mechanical strength deficiency of driving mechanism and leads to the problem of and be easily damaged.In view of this, how to the greatest extent may be used Energy ground, which reduces the size of aforementioned driving mechanism and ensures it still, can have enough structural strengths to begin to become an important project.

Utility model content

In view of aforementioned existing issue point, the one of the utility model is designed to provide a kind of driving mechanism, to drive One optical module, driving mechanism include an outline border module, a hollow load-bearing part and an electromagnetic drive component.Aforementioned load-bearing part It is actively set in aforementioned outline border module, to accommodate aforementioned optical component, wherein aforementioned load-bearing part has side wall portion, and Aforementioned lateral wall portion is formed with a perforation.Aforementioned electromagnetic driving assembly includes one first magnet assembly and one second magnet assembly, Wherein aforementioned first magnet assembly is set on aforementioned load-bearing part, and is revealed in aforementioned load-bearing part by aforementioned perforation Side.Second magnet assembly connects aforementioned outline border module and corresponds to aforementioned first magnet assembly, to drive aforementioned load-bearing part phase It is mobile for aforementioned outline border module.

In an embodiment, aforementioned outline border module has a shell, and aforementioned shell has a top and multiple frames, Wherein aforementioned top is formed with an aperture, and aforementioned aperture extends at least one of more aforementioned frame.

In an embodiment, aforementioned aperture is generally circular and has a raised zones, before aforementioned raised zones extend to State at least one of a little frames.

In an embodiment, aforementioned shell has metal material.

In an embodiment, aforementioned outline border module has a polygonized structure, and aforementioned second magnet assembly is set to aforementioned One corner of polygonized structure.

In an embodiment, a part of aforementioned first magnet assembly and a medial surface in aforementioned lateral wall portion are tangent.

In an embodiment, aforementioned first magnet assembly is a magnet or a coil.

In an embodiment, aforementioned first magnet assembly is a plate coil, and around aforementioned load-bearing part.

In an embodiment, aforementioned outline border module has a framework interconnected and a pedestal, wherein aforementioned framework With a metal component and a plastic structures, and foregoing plastics structural body and aforementioned metal component are integrally formed.

In an embodiment, aforementioned metal component is formed with a bar portion, positioned at a corner of aforementioned metal component, and it is preceding It states plastic structures and is formed with a fitting portion, wherein aforementioned bar portion is embedded in aforementioned fitting portion.

In an embodiment, foregoing plastics structural body is be combined with each other in a manner of being embedded in forming with aforementioned metal component.

In an embodiment, aforementioned outline border module has a framework interconnected and a pedestal, and aforementioned shell has Metal material, and said base has plastic material, wherein said base is one of the forming with aforementioned shell.

In an embodiment, aforementioned shell is formed with a bar portion, positioned at a corner of aforementioned shell, and said base shape Cheng Youyi fitting portion, wherein aforementioned bar portion is embedded in aforementioned fitting portion.

In an embodiment, said base is be combined with each other in a manner of being embedded in forming with aforementioned shell.

In an embodiment, a groove is also formed on an outer surface in aforementioned lateral wall portion, aforementioned grooves are worn with aforementioned Hole is connected, and aforementioned first magnet assembly is set in aforementioned grooves.

In an embodiment, aforementioned outline border module has a pedestal, and said base is formed with towards aforementioned optical module One protrusion of one optical axis direction protrusion, wherein aforementioned second magnet assembly is fixed on aforementioned protrusion and corresponds to aforementioned the One magnet assembly.

In an embodiment, aforementioned outline border module has the pedestal of a quadrangle, and said base is formed with towards aforementioned light Two protrusions for learning the optical axis direction protrusion of component, wherein aforementioned protruding parts two opposite corners in said base Place, and correspond to aforementioned electromagnetic driving assembly.

In an embodiment, aforementioned driving mechanism further includes two reeds, and said base also has that there are two interconnecting piece, positions Other two opposite corner in said base, wherein aforementioned reed connects aforementioned load-bearing part and aforementioned interconnecting piece.

One embodiment of the utility model also provides a kind of driving mechanism, to drive an optical module, driving mechanism packet Include a shell, a hollow load-bearing part and an electromagnetic drive component.Aforementioned shell has a top interconnected and one Extension, wherein aforementioned top is formed with an aperture, and aforementioned extension is from the inner edge of aforementioned aperture towards aforementioned optical module One optical axis direction extends.Aforementioned load-bearing part is actively set in aforementioned shell, to accommodate aforementioned optical component, wherein aforementioned Load-bearing part has side wall portion, and aforementioned lateral wall portion is formed with a perforation, wherein aforementioned extension is appeared by aforementioned perforation In the inside of aforementioned load-bearing part.Aforementioned electromagnetic driving assembly includes one first magnet assembly and one second magnet assembly, wherein Aforementioned first magnet assembly is set on aforementioned load-bearing part, and the second magnet assembly connects aforementioned shell and corresponds to aforementioned first magnetic Property component, to drive aforementioned load-bearing part mobile relative to aforementioned shell.

In an embodiment, aforementioned load-bearing part also has a top surface and a limiting slot, and aforementioned limiting slot is formed in aforementioned It is connected on top surface and with aforementioned perforation, and aforementioned extension protrudes into aforementioned limiting slot.

The beneficial effects of the utility model are, in order to be reduced as far as load-bearing part in the horizontal direction on (X/Y plane) Size can also be such that a part of magnet assembly and the arc-shaped medial surface in aforementioned lateral wall portion mutually trims, thus reach driving mechanism The minimization of size.

For above and other purpose, feature and advantage of the utility model can be clearer and more comprehensible, it is cited below particularly out preferably Embodiment, and cooperate appended attached drawing, it is described in detail below.

Detailed description of the invention

Figure 1A indicates the explosive view of the driving mechanism of an embodiment of the present invention.

Figure 1B indicates the schematic diagram after the combination of the driving mechanism in Figure 1A.

Fig. 1 C indicates the cross-sectional view of the line A-A section along Figure 1B.

Fig. 1 D indicates the cross-sectional view of the line B-B section along Figure 1B.

Fig. 1 E indicates a part of coil C and the schematic diagram that the arcuation medial surface of sidewall portion 201 mutually trims.

Fig. 2A indicates the explosive view of the driving mechanism of another embodiment of the utility model.

Fig. 2 B indicates the schematic diagram after the combination of the driving mechanism in Fig. 2A.

Fig. 2 C indicates the cross-sectional view of the driving mechanism in Fig. 2 B.

Fig. 3 A indicates the explosive view of the driving mechanism of another embodiment of the utility model.

Fig. 3 B indicates the schematic diagram of plastic structures 40 and metal component 50 in Fig. 3 A.

Fig. 3 C indicates the cross-sectional view after the plastic structures 40 in Fig. 3 B are combined with metal component 50.

Fig. 4 A indicates the explosive view of the driving mechanism of another embodiment of the utility model.

Fig. 4 B indicates the schematic diagram of shell 10 and pedestal 30 in Fig. 4 A.

Fig. 4 C indicates the cross-sectional view after the shell 10 in Fig. 4 B is combined with pedestal 30.

Fig. 5 A indicates the explosive view of the driving mechanism of another embodiment of the utility model.

Fig. 5 B indicates the cross-sectional view after the combination of the driving mechanism in Fig. 5 A.

Fig. 6 A indicates the explosive view of the driving mechanism of another embodiment of the utility model.

Fig. 6 B indicate two lower reed S2 connections in place on pedestal 30 two with respect to corner interconnecting piece 33 signal Figure.

Fig. 7 A indicates the load-bearing part 20 of another embodiment of the utility model and the explosive view of coil C.

Fig. 7 B indicates the schematic diagram after load-bearing part 20 and coil C in combination in Fig. 7 A.

Appended drawing reference is as follows:

10 shells

11 tops

12 frames

101 extensions

20 load-bearing parts

20A metallic framework

20B plastic structures

21,22 perforation

211 grooves

23 limiting slots

201 sidewall portions

30 pedestals

31 fitting portions

32 protrusions

33 interconnecting pieces

40 plastic structures

41 fitting portions

50 metal components

51,52 bar portion

C coil

The winding section C1

The gap D

H aperture

L1, L2 extension line

M magnet

O optical axis

P flexible circuit board

P1 convex section

F raised zones

S bearing and leaning portion

S1 upper reed plate

Reed under S2

Specific embodiment

Illustrate the electromagnetic drive module of the utility model embodiment below.However, can will readily appreciate that the utility model is implemented Example provides many suitable utility model concepts and may be implemented in wide variety of specific background.Disclosed specific embodiment is only It is merely to illustrate with ad hoc approach using the utility model, not to limit to the scope of the utility model.

Unless otherwise defined, belonging to whole term (including technology and scientific words) as used herein has and discloses with this piece The normally understood identical connotation of those skilled in the art institute.It is appreciated that these terms, such as in usually used dictionary Defined in term, should be interpreted to one and the consistent meanings of background or context of the relevant technologies and the disclosure, without Ying Yiyi idealization or excessively formal mode are interpreted, unless especially definition herein.

Please first A~Fig. 1 D refering to fig. 1 together, wherein Figure 1A indicates the explosion of the driving mechanism of an embodiment of the present invention Figure, Figure 1B indicate that the schematic diagram after the combination of the driving mechanism in Figure 1A, Fig. 1 C indicate the cross-sectional view of the line A-A section along Figure 1B, figure 1D indicates the cross-sectional view of the line B-B section along Figure 1B.As shown in FIG. 1A and 1B, the driving mechanism of the present embodiment is to drive one Optical module (such as optical lens), mainly include the hollow load-bearing part 20 of a shell 10, one, a pedestal 30, a coil C, An at least upper reed plate S1, at least once reed S2 and at least a magnet M.

Aforementioned load-bearing part 20 can be used to carry aforementioned optical component (such as optical lens), and driving mechanism may be disposed at one In portable electronic equipment (such as mobile phone or tablet computer), and it is electrically connected a circuit unit (non-icon), used To adjust the position of optical module, thus, it is possible to keep the light across optical module clear in showing on a photosensory assembly (non-icon) Clear image, and then can achieve the purpose that auto-focusing (autofocus) and/or zoom (zoom).For example, aforementioned driving Mechanism may be, for example, a voice coil motor (Voice Coil Motor, VCM).

Shell 10 and pedestal 30 can be combined with each other and form an outline border module it can be seen from Figure 1A~Fig. 1 D, wherein Load-bearing part 20, coil C, upper reed plate S1, lower reed S2 and magnet M are placed in the outline border module.Specifically, preceding Stating coil C (the first magnet assembly) is, for example, around the plate coil being set on load-bearing part 20, coil C, load-bearing part 20 With setting optical module in the inner can respectively by upper reed plate S1 and/or lower reed S2 be movably connected with shell 10 and/or Pedestal 30, and then it is suspended to the inner space of outline border module, and can move down in Z-direction relative to shell 10 and pedestal 30 It is dynamic.Specifically, aforementioned shell 10 has polygonized structure, and wherein magnet M (the second magnet assembly) is fixed on shell 10 corner, and correspond to the coil C on load-bearing part 20.

In the present embodiment, coil C and magnet M may make up an electromagnetic drive component, when coil C passes through aforementioned circuit unit When being passed through electric current, magnetic force can produce between coil C and magnet M, to drive coil C, the light of load-bearing part 20 and setting in the inner Learn component moved together relative to shell 10 and pedestal 30 along Z-direction, thus reach auto-focusing (autofocus) and/or The function of zoom (zoom).However, also can be by the location swap of aforementioned magnet M and coil C, that is, magnet M is set to and is held In holder 20, to as the first magnet assembly, coil C (such as plate coil) is then fixed on shell 10 or pedestal 30, use Can produce magnetic force, equally so to drive coil C, 20 and of load-bearing part as the second magnet assembly and corresponding to aforementioned magnet M The optical module being arranged in the inner is moved relative to shell 10 and pedestal 30 along Z-direction together.

In order to reduce as much as possible load-bearing part 20 of the driving mechanism in X-direction and the size of Y-direction, the present embodiment in It is formed at least one perforation 21 in cricoid sidewall portion 201, corresponds to aforementioned magnet M.As shown in Fig. 1 C, Fig. 1 D, aforementioned coil C The inner surface for being located adjacent to sidewall portion 201, and at least part of coil C 21 can be revealed in load-bearing part by perforation 20 inside.In addition, the perforation 21 it can be seen from Fig. 1 D according to two groups of positions in 20 opposite side of load-bearing part can define respectively Two extension line L1, L2, aforementioned extension line L1, L2 and are respectively parallel to X-axis and Y-axis perpendicular to the optical axis O of optical module, Middle extension line L1, L2 can sequentially pass through optical module (non-icon), coil C and shell 10 since the optical axis O from inside to outside；It changes Yan Zhi, if will be sequentially light along extension line L1, L2 putting in order from inside to outside from the direction for being parallel to optical axis O Component, coil C and shell 10 are learned, is directly opposite between coil C and shell 10 and is separated by a clearance D (such as Fig. 1 D institute Show), and any magnet of setting is had no between coil C and shell 10, and can be used to carry by load-bearing part 20 in this present embodiment Different optical modules, therefore can be substantially improved and use and the elasticity in design.It, not only can be sufficiently sharp by the above configuration mode With space, and it can effectively reduce the size of load-bearing part 20 and coil C in the horizontal direction on (X/Y plane), and then driving machine can be reached The micromation of structure entirety.

It is please referred to shown in Fig. 1 E again, in an embodiment, in order to reduce load-bearing part 20 and coil C as far as possible in the horizontal direction Size on (X/Y plane) can also be such that a part of coil C and the arc-shaped medial surface in aforementioned lateral wall portion 201 mutually trims, thus It can help to the minimization for reaching the size of load-bearing part 20 and coil C.

On the other hand, in Figure 1A~Fig. 1 D it can be seen from aforementioned shell 10 there is a top 11 and four frames 12, Wherein top 11 is formed with a generally circular aperture H, and aforementioned aperture H has an at least raised zones R, extends to multiple At least one of frame 12.Specifically, the shell 10 of the present embodiment can be used metal material and have four sides Shape structure, wherein aforementioned aperture H can be shaped by way of punching press, and four raised zones R of aperture H be respectively towards X ,- X, four different directions of Y ,-Y extend to aforementioned four frames 12, thus can not only effectively avoid the shell 10 of metal material The edge aperture H and frame 12 between because the partial structurtes intensity deficiency caused by too short problem, while can also be conducive to Substantially reduction shell 10 size on (X/Y plane) in the horizontal direction, and then reach the micromation of driving mechanism entirety.

Then A, Fig. 2 B and Fig. 2 C, the present embodiment are different from the embodiment of earlier figures 1A~Fig. 1 D referring to Figure 2 together Place essentially consists in: the load-bearing part 20 in the present embodiment is also formed with perforation 22 other than perforation 21, and shell 10 is then formed with With a 22 corresponding at least extensions 101 of aforementioned perforation, aforementioned extension 101 connects the top 11 of shell 10, and from top An optical axis direction (- Z-direction) for 11 inner edge aperture H towards optical module extends down and partially or fully covers aforementioned perforation 22, wherein extension 101 is revealed in the inside of load-bearing part 20 by perforation 22.

In addition, by Fig. 2A, Fig. 2 B and Fig. 2 C it can be clearly seen that being also formed with a limit on the top surface of load-bearing part 20 Position slot 23, and aforementioned limiting slot 23 is connected with perforation 22.It is to be understood that since aforementioned extension 101 can be inserted in assembling Enter in limiting slot 23, it thus can be using extension 101 as a block mechanism, to limit load-bearing part 20 relative to shell 10 rotation/movings range on (X/Y plane) in the horizontal direction, and then load-bearing part 20 can be protected and avoid load-bearing part 20 because hitting Dust is generated to other parts or mechanism is caused to damage.

Then also referring to Fig. 3 A, Fig. 3 B and Fig. 3 C, the present embodiment is different from the embodiment of earlier figures 1A~Fig. 1 D Place essentially consists in: the shell 10 in the present embodiment is by a plastic structures 40 and a metal component 50 with integrally formed side Formula is formed.As shown in Fig. 3 B and Fig. 3 C, the corner of foregoing plastics structural body 40 is formed with an at least fitting portion 41, aforementioned gold The corner of metal elements 50 is then formed with an at least bar portion 51, corresponds to aforementioned fitting portion 41, wherein metal component 50 can be preparatory Forming, and plastic structures 40 then can make bar portion by insertion forming (Insert Molding) or other plastic forming technologies In the 51 aforementioned fitting portions 41 of insertion (Fig. 3 C).

As previously mentioned, the shell 10 in the present embodiment is mainly by plastic structures 40 and 50 two part institutes of metal component Composition, wherein thus position is in 40 center of plastic structures since plastic structures 40 are used as the top cover of shell 10 Aperture H be just able to maintain complete circular design, without being additionally formed raised zones R as shown in Figures 1 A and 1 B 1, therefore It can avoid causing the frame of the edge aperture H and shell 10 part produced by too short because the top of shell 10 is metal material The problem of structural strength deficiency.

Then A, Fig. 4 B and Fig. 4 C, the present embodiment are different from the embodiment of earlier figures 3A~Fig. 3 C referring to Figure 4 together Place essentially consists in: the pedestal 30 of the present embodiment is also mutually tied with the metal component 50 in shell 10 in integrally formed mode It closes.As shown in figs. 4 b and 4 c, plastic material can be used in said base 30, and it is embedding in the corner of pedestal 30 to be formed at least one Furthermore conjunction portion 31 is then formed with an at least bar portion 52 in the corner of aforementioned metal component 50, correspond to aforementioned fitting portion 31.? In manufacturing process, metal component 50 can be made preshaped, then pedestal 30 then can shape (Insert Molding) by insertion Or other plastic forming technologies and so that aforementioned bar portion 52 is embedded in aforementioned fitting portion 31 (Fig. 4 C), pedestal 30 and shell is substantially improved Bond strength between body 10.

Again also referring to Fig. 5 A and Fig. 5 B, the embodiment difference of the present embodiment and earlier figures 1A~Fig. 1 D is main It is: by the location swap of magnet M and coil C in the present embodiment, implies that using magnet M as first be set on load-bearing part 20 Magnet assembly, and coil C (such as plate coil) is then as the second magnet assembly being fixed on pedestal 30, and corresponds to aforementioned Magnet M；In addition, as shown in Figure 5A and 5B, be also formed on the outer surface of the sidewall portion 201 of load-bearing part 20 with it is aforementioned At least groove 211 that perforation 21 is connected, wherein magnet M (the first magnet assembly) is set in groove 211, and can be by wearing Hole 21 and the inside for being revealed in load-bearing part 20.

In an embodiment, in order to be reduced as far as size of the load-bearing part 20 in the horizontal direction on (X/Y plane), also may be used It trims a part of magnet M and the arc-shaped medial surface in aforementioned lateral wall portion 201 mutually, thus reaches the minimum of driving mechanism size Change.

Specifically, from Fig. 5 A and Fig. 5 B it can be clearly seen that the coil C of the present embodiment be it is multiple, It may be, for example, plate coil, and be set on the convex section P1 of a flexible circuit board P, furthermore then be formed on pedestal 30 The protrusion 32 that multiple optical axis directions (Z-direction) towards optical module extend, corresponds to aforementioned convex section P1 and coil C； In this way, only need to attach the convex section P1 of flexible circuit board P into the side surface for being fixed on corresponding protrusion 32 in assembling , wherein being not only avoided that route in driving machine by support construction of the protrusion 32 as flexible circuit board P and coil C Structure is by fracture when hitting, and furthermore flexible circuit board P also can effectively stop and foreign matter is avoided to enter inside driving mechanism, to increase Add its sealing effect.

In an embodiment, coil C can be also set in the groove 211 in the outside of load-bearing part 20 using as the first magnetic group Part, and using magnet M as the second magnet assembly being fixed on pedestal 30；In this way, when coil C is passed through by circuit unit When electric current, magnetic force equally can produce between coil C and magnet M, to drive coil C, load-bearing part 20 and the optics being arranged on Component is moved relative to shell 10 and pedestal 30 along Z-direction together, so can reach auto-focusing (autofocus) and/or The purpose of zoom (zoom).

Then A and Fig. 6 B, the embodiment difference of the present embodiment and earlier figures 5A~Fig. 5 B are main referring to Figure 6 together Be: the present embodiment corner that only two opposite on quadrangle pedestal 30 forms protrusion 32, and remaining space then can be used To configure other parts, such as lower reed S2.For example, as shown in Figure 6B, one end of two lower reed S2 can be connected to Load-bearing part 20 (not shown), and the other end of reed S2 under both of the aforesaid is separately connected two relative angles on pedestal 30 in place The interconnecting piece 33 at place is fallen, wherein the height of interconnecting piece 33 is lower than the height of protrusion 32, and thus, it is possible to space configuration is substantially improved Efficiency, to achieve the purpose that mechanism is miniaturized.

Two or more differences also can be used in finally A and Fig. 7 B referring to Figure 7 together, the load-bearing part 20 in foregoing embodiments The component of material be combined with each other and forms.For example, load-bearing part 20 shown in the embodiment of Fig. 7 A and Fig. 7 B is main It is made of a metallic framework 20A and a plastic structures 20B, wherein metallic framework 20A can be preshaped, and plastics knot Structure body 20B then can be mutual by insertion forming (Insert Molding) or other plastic forming technologies and metallic framework 20A It is chimeric, the whole structural strength of load-bearing part 20 thus can be substantially improved.

It is to be understood that the coil C (the first magnet assembly) in the present embodiment is, for example, a plate coil, it surround and is set to Around load-bearing part 20, and its inside that load-bearing part 20 can be revealed in by perforation 21；In addition, can be with from Fig. 7 A and Fig. 7 B Find out the bearing and leaning portion S for the plate that the winding section C1 of coil C is corresponded on plastic structures 20B, thus can pass through bearing and leaning portion S C1 enough support effects in winding section are provided.

Perforation 21 is needed to form by load-bearing part 20 in this present embodiment so that its ruler on (X/Y plane) in the horizontal direction It is very little to reduce as best one can, therefore load-bearing part 20 can be collectively constituted using both metallic framework 20A and plastic structures 20B, with big Width promotes the structural strength of load-bearing part 20, furthermore also can be by having the metallic framework 20A of magnetic conductivity with strong permanent magnet M and coil C Between generated electromagnetic driving force；On the other hand, it can also be used cyclic annular and there is flexible coil C to cover load-bearing part 20 On perforation 21, and then can reach dust-proof and prevent glue overflow etc. many significant technical effects.

Although the embodiments of the present invention and its advantage have been disclosed as above, it will be appreciated that those skilled in the art Member without departing from the spirit and scope of the utility model, when can change, substitute with retouch.In addition, the guarantor of the utility model Shield range be not necessarily limited by technique in specification in the specific embodiment, machine, manufacture, material composition, device, method and Step, technical staff can understand existing from the utility model disclosure or following be developed in any technical field Technique, machine, manufacture, material composition, device, method and step, as long as can implement on the whole in the embodiment here Identical function or the more or less the same result of acquisition can all be used according to the utility model.Therefore, protection scope of the utility model packet Include above-mentioned technique, machine, manufacture, material composition, device, method and step.In addition, each claim constitutes other implementation Example, and the protection scope of the utility model also includes the combination of each claim and embodiment.

Although the utility model is disclosed as above with aforesaid plurality of preferred embodiment, so it is practical new to be not limited to this for it Type.Technical staff in the utility model technical field, without departing from the spirit and scope of the utility model, when can do Changing and retouching perhaps.Therefore the protection scope of the utility model is subject to view appended claims institute defender.In addition, every A claim is construed as an independent embodiment, and the combination of various claims and embodiment is all between the utility model In range.

Claims

1. a kind of driving mechanism, to drive an optical module, which is characterized in that the driving mechanism includes:

One outline border module；

One hollow load-bearing part is actively set in the outline border module, and to accommodate the optical module, wherein the load-bearing part has There is side wall portion, and the sidewall portion is formed with a perforation；And

One electromagnetic drive component, including one first magnet assembly and one second magnet assembly, wherein first magnet assembly is set It is placed on the load-bearing part, and is revealed in the inside of the load-bearing part by the perforation, the second magnet assembly connects the outline border module And correspond to first magnet assembly, to drive the load-bearing part mobile relative to the outline border module.

2. driving mechanism as described in claim 1, which is characterized in that the outline border module has a shell, and the shell has One top and multiple frames, wherein the top is formed with an aperture, and the aperture extend to multiple frames at least its One of.

3. driving mechanism as claimed in claim 2, which is characterized in that the aperture is generally circular and has a raised zones, And the raised zones extend at least one of multiple frames.

4. driving mechanism as claimed in claim 2, which is characterized in that the shell has metal material.

5. driving mechanism as described in claim 1, which is characterized in that the outline border module has a polygonized structure, this second Magnet assembly is set to a corner of the polygonized structure.

6. driving mechanism as described in claim 1, which is characterized in that a part of first magnet assembly and aforementioned lateral wall portion A medial surface it is tangent.

7. driving mechanism as described in claim 1, which is characterized in that first magnet assembly is a magnet or a coil.

8. driving mechanism as described in claim 1, which is characterized in that first magnet assembly is a plate coil, and is surround The load-bearing part.

9. driving mechanism as described in claim 1, which is characterized in that the outline border module have a framework interconnected and One pedestal, wherein the framework has a metal component and a plastic structures, and the plastic structures and the metal component one Body forming.

10. driving mechanism as claimed in claim 9, which is characterized in that the metal component is formed with a bar portion, is located at the metal One corner of component, and the plastic structures are formed with a fitting portion, wherein the bar portion is embedded in the fitting portion.

11. driving mechanism as claimed in claim 9, which is characterized in that the plastic structures and the metal component are to be embedded in into The mode of shape be combined with each other.

12. driving mechanism as claimed in claim 2, which is characterized in that the outline border module have a framework interconnected with And a pedestal, which has metal material, and the pedestal has plastic material, and wherein the pedestal and the shell are integrated into Shape.

13. driving mechanism as claimed in claim 12, which is characterized in that the shell is formed with a bar portion, positioned at the shell One corner, and the pedestal is formed with a fitting portion, wherein the bar portion is embedded in the fitting portion.

14. driving mechanism as claimed in claim 12, which is characterized in that pedestal phase in a manner of being embedded in forming with the shell Mutually combine.

15. driving mechanism as described in claim 1, which is characterized in that be also formed with one on an outer surface of the sidewall portion Groove, the groove are connected with the perforation, and first magnet assembly is set in the groove.

16. driving mechanism as described in claim 1, which is characterized in that the outline border module has a pedestal, and the pedestal is formed There is a protrusion of the optical axis direction protrusion along the optical module, wherein second magnet assembly is fixed on the protrusion, And correspond to first magnet assembly.

17. driving mechanism as described in claim 1, which is characterized in that the outline border module has the pedestal of a quadrangle, and should Pedestal is formed with two protrusions of the optical axis direction protrusion along the optical module, and the plurality of protruding parts is in the bottom Two opposite corners in seat, and correspond to the electromagnetic drive component.

18. driving mechanism as claimed in claim 17, which is characterized in that the driving mechanism further includes two reeds, and the bottom Also tool is there are two interconnecting piece for seat, other two opposite corner in the pedestal, the plurality of reed connects this and holds Holder and multiple interconnecting pieces.

19. a kind of driving mechanism, to drive an optical module, which is characterized in that the driving structure includes:

One shell has a top interconnected and an extension, and wherein the top is formed with an aperture, and the extension Extend from the inner edge of the aperture towards an optical axis direction of the optical module；

One hollow load-bearing part, is actively set in the shell, and to accommodate the optical module, wherein the load-bearing part has one Sidewall portion, and the sidewall portion is formed with a perforation, wherein the extension is revealed in the inside of the load-bearing part by the perforation；With And

One electromagnetic drive component, including one first magnet assembly and one second magnet assembly, wherein first magnet assembly is set It is placed on the load-bearing part, which connects the shell and correspond to first magnet assembly, to drive the carrying Part is mobile relative to the shell.

20. driving mechanism as claimed in claim 19, which is characterized in that the load-bearing part also has a top surface and a limit Slot, which is formed on the top surface and is connected with the perforation, and the extension protrudes into the limiting slot.