CN207229646U - A kind of spring leaf and double lens driving device - Google Patents
A kind of spring leaf and double lens driving device Download PDFInfo
- Publication number
- CN207229646U CN207229646U CN201721312231.1U CN201721312231U CN207229646U CN 207229646 U CN207229646 U CN 207229646U CN 201721312231 U CN201721312231 U CN 201721312231U CN 207229646 U CN207229646 U CN 207229646U
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- spring leaf
- outer ring
- inner ring
- spring
- ring
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Abstract
The utility model provides a kind of spring leaf and double lens driving device, is related to miniature line motor technical field.The spring leaf includes inner ring, outer ring and spring wire, the quantity of inner ring is two, two inner rings are arranged on the inside of outer ring, spring wire includes two connecting pins and the changeover portion between two connecting pins, changeover portion is linear pattern, and two connecting pins are connected to arc-shaped transition the outer surface of inner ring and the inner surface of outer ring respectively.Double lens driving device includes above-mentioned spring leaf.The spring leaf internal stress is big compared with deformation quantity that is long and can bearing compared with small, service life.
Description
Technical field
Miniature line motor technical field is the utility model is related to, is driven in particular to a kind of spring leaf and double lens
Dynamic device.
Background technology
The operation principle of lens driver is by the coil power supply in lens carrier, allowing coil to produce according to certain
The magnetic field of frequency transformation, the magnetic field of conversion and magnet are mutually exclusive or attract, and the coil in lens carrier is made be subject to magnetic force
With lens carrier is connected with spring, lens carrier adjustment space position under the action of the elastic force and magnetic force of spring, realizes focusing
Purpose.
Existing lens driver is usually single-lens driving device, even if, in recent years applied to dual camera module
Lens driving apparatus, and formed using a pair of of simple lens driving device, a pair of of simple lens combination of drive means uses, two
Spring leaf before each being set in simple lens driving device, existing preceding chip architecture of the spring is complicated, internal stress is larger, service life
Deformation quantity that is shorter and can bearing is smaller, strongly limit the service life of lens driver.
Therefore, a kind of spring leaf is designed, its internal stress is big compared with deformation quantity that is long and can bearing compared with small, service life,
This is a technical problem to be solved urgently.
Utility model content
The purpose of this utility model is to provide a kind of spring leaf and double lens driving device, its aim to solve the problem that it is existing before
The deformation quantity that spring leaf internal stress is larger, service life is shorter and can bear is smaller, strongly limit lens driver
Service life technical problem.
The first technical solution provided by the utility model：
A kind of spring leaf applies to double lens driving device, and the spring leaf includes inner ring, outer ring and spring wire, described interior
The quantity of circle is two, and two inner rings are arranged on the inside of the outer ring, and spring wire includes two connecting pins and positioned at two
Changeover portion between a connecting pin, changeover portion are linear pattern, and two connecting pins are connected to arc-shaped transition the appearance of inner ring respectively
Face and the inner surface of outer ring.
Further, the outer ring and the inner ring are the loop configuration of closing, and one end of the spring wire is connected to institute
The outer surface of inner ring is stated, the other end of the spring wire is connected to the inner surface of the outer ring.
Further, the quantity of the spring wire is four, and four spring wires are separately positioned on the four of the inner ring
Week.
Further, the changeover portion is arranged at intervals with the outer ring and the inner ring, the extending direction of the changeover portion
Parallel to the extending direction of the outer ring corresponding sides.
Further, the outer ring is the frame-shaped construction of rectangle, and the outer ring includes two the first connecting plates and two pieces the
One connecting filament, two first connecting plates and two first connecting filament head and the tail connect, wherein, two first connections
Plate is oppositely arranged, and two first connecting filaments are oppositely arranged.
Further, first connecting filament is also associated between the middle part of two first connecting plates, is located at
The inside of the outer ring is divided into two rectangular spaces by first connecting filament at middle part, is set in each rectangular space
One inner ring.
Further, the inner ring includes two the second connecting plates and two second connecting filaments, two second connections
Plate and two second connecting filament head and the tail connect, wherein, two second connecting plates are oppositely arranged, and two described second connect
Silk is connect to be oppositely arranged.
Further, the inner surface of the inner ring surrounds circle, and the outer surface of second connecting plate is plane, and described
The inner surface of two connecting plates is arc-shaped surface, and second connecting filament is arc-shaped structure.
Further, the length of the spring wire is more than the length of second connecting plate.
Second of technical solution provided by the utility model：
A kind of double lens driving device includes housing and is arranged on the lens carrier of the enclosure interior, and the double lens drives
Dynamic device includes the spring leaf that the first technical solution provides, and on the housing, the inner ring is connected to for the outer ring connection
In the lens carrier.
Compared to existing preceding spring leaf, the beneficial effect of spring leaf provided by the utility model is：
First, two connecting pins are connected to arc-shaped transition the outer surface of inner ring and the interior table of outer ring respectively in spring wire
Face, in this way, the junction stress between spring wire and inner ring and outer ring is smaller, service life is longer, also, changeover portion is straight line
Type, the stress in changeover portion is smaller, and the deformation quantity that can be born is larger, has good using effect.
Secondly, two inner rings are arranged on the inside of the outer ring, and spring wire is connected between inner ring and outer ring, connection
Intensity is larger, simple in structure, easy to use.
Compared to existing double lens driving device, the beneficial effect of double lens driving device provided by the utility model is：
Employ above-mentioned spring leaf, spring leaf internal stress is smaller, service life is longer and the deformation quantity that can bear compared with
Greatly, the service life of lens driver is improved.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the overall structure diagram for the double lens driving device that the utility model embodiment provides.
Fig. 2 is the decomposition texture schematic diagram for the double lens driving device that the utility model embodiment provides.
Fig. 3 is the structure diagram of spring leaf in Fig. 2.
Fig. 4 is the decomposition texture schematic diagram of magnet yoke ring, spring leaf and lens carrier in Fig. 2.
Icon：100- double lens driving devices；10- housings；11- magnet yoke rings；12- terminal mountings；121- pads；122- connects
Electric terminal；20- spring leafs；21- outer rings；The first connecting plates of 211-；The first connecting filaments of 212-；22- inner rings；221- second is connected
Plate；The second connecting filaments of 222-；23- spring wires；231- connecting pins；232- changeover portions；30- lens carriers；40- coils；50- magnetic
Stone；Spring assembly after 60-.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the utility model, it is to be understood that term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship, or
The utility model product using when the orientation usually put or position relationship, or those skilled in the art usually understand
Orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply signified set
Standby or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.
In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or hint
Relative importance.
In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can mechanically connect or be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can is the connection inside two elements.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Referring to Fig. 1, present embodiments providing a kind of double lens driving device 100, the application of double lens driving device 100 is simultaneously
It is not limited to the high pixel minitype digital camera with automatic focusing function.Double lens driving device 100 includes housing 10 and sets
Put the lens carrier 30 inside housing 10.
Specifically, referring to Fig. 2, double lens driving device 100 includes housing 10, spring leaf 20, lens carrier 30, coil
40th, magnetite 50 and rear spring assembly 60.Wherein, housing 10 includes magnet yoke ring 11 and terminal mounting 12, and terminal mounting 12 is detachable
Ground connects the opening of magnet yoke ring 11, and surrounds accommodating space.Spring leaf 20, lens carrier 30, coil 40, magnetite 50 and rear bullet
Spring component 60 is installed in accommodating space.
Spring leaf 20 is arranged between magnet yoke ring 11 and two lens carriers 30, between lens carrier 30 and terminal mounting 12
Spring assembly 60 after setting.Spring leaf 20 and 60 collective effect of rear spring assembly are in lens carrier 30, before and after making lens carrier 30
It is mobile.The periphery of each lens carrier 30 sets a coil 40, opposite sides one magnetite of each setting inside magnet yoke ring 11
50。
Two lens carriers 30 are arranged side by side along the long side of magnet yoke ring 11.The quantity of magnetite 50 is two, each magnetite 50
Two lens carriers 30 are faced at the same time, and are arranged at intervals with lens carrier 30.Two magnetites 50 be parallel to each other be positioned apart from
Two outsides of lens carrier 30, the spaced and parallel setting of long side of magnetite 50 and magnet yoke ring 11.Magnetite 50 is strip, magnetite 50
Length be equal to two lens carriers 30 side by side after length.
That is, two lens carriers 30 are located in the magnetic field that two magnetites 50 are formed in the lump, and in other words, two lens
Carrier 30 as one kind shares two magnetites 50.It is in a ratio of each lens carrier 30 and individually sets up two magnetites 50, two lens carriers 30 is common
The unexpected interference between magnetic field can be avoided with two magnetites 50 and weakens influence of the other elements to magnetic field.
Pad 121 and electrical terminals 122 are provided with terminal mounting 12, a power connection end is connected with each pad 121
Son 122.122 penetrating terminal mounting 12 of electrical terminals, and stretched out from the outer surface of terminal mounting 12, easy to connect with external power supply
Connect.Coil 40 passes sequentially through rear spring assembly 60, pad 121 and electrical terminals 122 and is connected with external power supply.
Referring to Fig. 3, spring leaf 20 includes inner ring 22, outer ring 21 and spring wire 23, outer ring 21 is the loop configuration of closing,
The quantity of inner ring 22 is two, and two inner rings 22 are arranged on the inside of outer ring 21, each inner ring 22 by a plurality of spring wire 23 with
Outer ring 21 connects.Outer ring 21 is used to be connected to magnet yoke ring 11, and inner ring 22 is used to connect lens carrier 30.The quantity of spring wire 23
For four, four spring wires 23 are separately positioned on the surrounding of inner ring 22.In such manner, it is possible to not only make spring leaf 20 simple in structure, make
With convenient, and the spring force for being subject to inner ring 22 is balanced and larger with the bonding strength of outer ring 21.
Inner ring 22 is the loop configuration of closing, and one end of spring wire 23 is connected to the outer surface of inner ring 22, spring wire 23
The other end is connected to the inner surface of outer ring 21.Inner ring 22 and the loop configuration that outer ring 21 is closing, it is possible to increase structural strength.
Spring wire 23 includes two connecting pins 231 and the changeover portion 232 between two connecting pins 231, two connections
End 231 is connected to arc-shaped transition the outer surface of inner ring 22 and the inner surface of outer ring 21 respectively, in this way, spring wire 23 and inner ring 22
Junction stress between outer ring 21 is smaller, and service life is longer.
Changeover portion 232 is linear pattern, and changeover portion 232 is arranged at intervals with outer ring 21 and inner ring 22.The extension side of changeover portion 232
To the extending direction parallel to 21 corresponding sides of outer ring.In such manner, it is possible to make the maximum length of changeover portion 232, internal stress compared with
It is small, it is possible to increase the deformation quantity that can be born, increases the space of lens carrier 30.
Specifically, outer ring 21 is the frame-shaped construction of rectangle, outer ring 21 includes two the first connecting plates 211 and three first companies
Silk 212 is connect, two the first connecting plates 211 and two first connecting filaments 212 connect from beginning to end, wherein, two 211 phases of the first connecting plate
To setting, two first connecting filaments 212 are oppositely arranged.In such manner, it is possible to improve the structural strength of spring leaf 20, it can also make spring leaf
20 are connected firmly with magnet yoke ring 11.
First connecting filament 212 is also associated between the middle part of two the first connecting plates 211, first positioned at middle part connects
Connect silk 212 and the inside of outer ring 21 is divided into two rectangular spaces, an inner ring 22 is set in each rectangular space.In this way, energy
Enough further improve the structural strength of spring leaf 20.
Inner ring 22 includes two the second connecting plates 221 and two second connecting filaments 222, two the second connecting plates 221 and two
The second connecting filament of root 222 connects from beginning to end, wherein, two the second connecting plates 221 are oppositely arranged, and two second connecting filaments 222 are opposite
Set.
The inner surface of inner ring 22 surrounds circle, and the outer surface of the second connecting plate 221 is plane, the second connecting plate 221 it is interior
Surface is arc-shaped surface, and the second connecting filament 222 is arc-shaped structure.In such manner, it is possible to make inner ring 22 is internally formed circular through hole,
Easy to want to be adapted to round lens.
The length of spring wire 23 is more than the length of the second connecting plate 221, can extend the vibrating fatigue service life of spring leaf 20,
Also the deformation quantity that spring leaf 20 can be born can be further improved, increases the space of lens carrier 30.
The operation principle of double lens driving device 100 provided in this embodiment：
First, two magnetites 50 generate magnetic field, and the coil 40 in two groups of lens carriers 30 passes through two power connection ends respectively
Son 122 accesses external power supply, and coil 40 senses electromagnetic force to move by coil during electric current 40.
Then, 40 drive lens carrier 30 as one kind of coil moves, and lens carrier 30 is in spring leaf 20 and the bullet of rear spring assembly 60
Property power effect under, front and rear straight-line displacement occurs for lens carrier 30, and lens are mounted with lens carrier 30, and lens are with lens carrier
30 move back and forth.In addition, by controlling each coil 40 to accurately control corresponding lens carrier 30 by the size of electric current
Displacement, realizes the purpose precisely focused.
The beneficial effect of spring leaf 20 provided in this embodiment is：
First, two connecting pins 231 are connected to arc-shaped transition the outer surface and outer ring of inner ring 22 respectively in spring wire 23
21 inner surface, in this way, the junction stress between spring wire 23 and inner ring 22 and outer ring 21 is smaller, service life is longer, and
And changeover portion 232 is linear pattern, the stress in changeover portion 232 is smaller, and the deformation quantity that can be born is larger, has good use
Effect.
Secondly, two inner rings 22 are arranged on the inside of outer ring 21, and spring wire 23 is connected between inner ring 22 and outer ring 21, even
It is larger to connect intensity, it is simple in structure, it is easy to use.
The beneficial effect of double lens driving device 100 provided in this embodiment is：
First, spring leaf 20 is employed, 20 internal stress of spring leaf is smaller, service life is longer and the deformation that can bear
Measure larger, improve the service life of lens driver 100.
Secondly, two magnetites 50, which are parallel to each other, is positioned apart from two groups of outsides of lens carrier 30, and not only there is no existing
Dual camera module in interference of electromagnetic field defect between two single-lens driving devices, and two groups of lens carriers 30 are side by side
Arrangement, can reduce the space length between two camera lenses in dual camera module, so as to be easier to make taking the photograph for dual camera
As performance is more superior.
It these are only the preferred embodiment of the utility model, be not intended to limit the present invention, for this area
Technical staff for, various modifications and changes may be made to the present invention.Where within the spirit and principles of the present invention,
Any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of spring leaf (20), applies to double lens driving device (100), it is characterised in that the spring leaf (20) includes
Inner ring (22), outer ring (21) and spring wire (23), the quantity of the inner ring (22) is two, and two inner rings (22) are arranged on
The inside of the outer ring (21), the spring wire (23) include two connecting pins (231) and positioned at two connecting pins (231)
Between changeover portion (232), the changeover portion (232) is linear pattern, two connecting pins (231) respectively arc-shaped transition even
It is connected on the outer surface of the inner ring (22) and the inner surface of the outer ring (21).
2. spring leaf (20) according to claim 1, it is characterised in that the outer ring (21) and the inner ring (22) are envelope
The loop configuration closed, one end of the spring wire (23) are connected to the outer surface of the inner ring (22), the spring wire (23)
The other end is connected to the inner surface of the outer ring (21).
3. spring leaf (20) according to claim 1, it is characterised in that the quantity of the spring wire (23) be four, four
Spring wire described in root (23) is separately positioned on the surrounding of the inner ring (22).
4. spring leaf (20) according to claim 1, it is characterised in that the changeover portion (232) and the outer ring (21)
It is arranged at intervals with the inner ring (22), extending direction the prolonging parallel to the outer ring (21) corresponding sides of the changeover portion (232)
Stretch direction.
5. spring leaf (20) according to claim 1, it is characterised in that the outer ring (21) is the frame-shaped construction of rectangle,
The outer ring (21) includes two the first connecting plates (211) and two first connecting filaments (212), two first connecting plates
(211) connected with two first connecting filament (212) head and the tail, wherein, two first connecting plates (211) are oppositely arranged,
Two first connecting filaments (212) are oppositely arranged.
6. spring leaf (20) according to claim 5, it is characterised in that the middle part of two first connecting plates (211)
Between be also associated with first connecting filament (212), first connecting filament (212) positioned at middle part is by the outer ring
(21) inside is divided into two rectangular spaces, and an inner ring (22) is set in each rectangular space.
7. spring leaf (20) according to claim 1, it is characterised in that the inner ring (22) includes two the second connecting plates
(221) and two second connecting filaments (222), two second connecting plates (221) and two second connecting filaments (222) are first
Tail connects, wherein, two second connecting plates (221) are oppositely arranged, and two second connecting filaments (222) are oppositely arranged.
8. spring leaf (20) according to claim 7, it is characterised in that the inner surface of the inner ring (22) surrounds circle,
The outer surface of second connecting plate (221) is plane, and the inner surface of second connecting plate (221) is arc-shaped surface, described
Second connecting filament (222) is arc-shaped structure.
9. spring leaf (20) according to claim 7, it is characterised in that the length of the spring wire (23) is more than described the
The length of two connecting plates (221).
10. a kind of double lens driving device (100), including housing (10) and the lens carrier for being arranged on the housing (10) inside
(30), it is characterised in that the double lens driving device (100) includes the spring leaf (20) described in claim 1, the outer ring
(21) it is connected on the housing (10), the inner ring (22) is connected in the lens carrier (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721312231.1U CN207229646U (en) | 2017-10-11 | 2017-10-11 | A kind of spring leaf and double lens driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721312231.1U CN207229646U (en) | 2017-10-11 | 2017-10-11 | A kind of spring leaf and double lens driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207229646U true CN207229646U (en) | 2018-04-13 |
Family
ID=61851558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721312231.1U Active CN207229646U (en) | 2017-10-11 | 2017-10-11 | A kind of spring leaf and double lens driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207229646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019071687A1 (en) * | 2017-10-11 | 2019-04-18 | 绵阳安和光电科技有限公司 | Dual lens driving device |
-
2017
- 2017-10-11 CN CN201721312231.1U patent/CN207229646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019071687A1 (en) * | 2017-10-11 | 2019-04-18 | 绵阳安和光电科技有限公司 | Dual lens driving device |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20211101 Address after: 621000 261 east section of Fei Yun Road, hi tech Zone, Mianyang, Sichuan. Patentee after: SICHUAN AWA SEIMITSU ELECTRIC Co.,Ltd. Address before: 621000 261 east section of Fei Yun Road, hi tech Zone, Mianyang, Sichuan. Patentee before: MIANYANG ANHE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |