CN204131296U - Anti-hand tremolo coil motor - Google Patents
Anti-hand tremolo coil motor Download PDFInfo
- Publication number
- CN204131296U CN204131296U CN201420627873.0U CN201420627873U CN204131296U CN 204131296 U CN204131296 U CN 204131296U CN 201420627873 U CN201420627873 U CN 201420627873U CN 204131296 U CN204131296 U CN 204131296U
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- reed
- hand
- helical spring
- inner core
- cantilever beam
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Abstract
The utility model discloses a kind of anti-hand tremolo coil motor, comprise the base, motor inner core and the shell that fit together, anti-hand shake reed is installed respectively additional at motor inner core upper and lower, the relative position of anti-hand shake reed and base and shell is fixed, the auto-focusing reed that this anti-hand shakes in reed and motor inner core is arranged in parallel, anti-hand shake reed is provided with collar tie beam shape framework, and the even number cantilever beam helical spring being provided with more than 4 in framework is fixedly connected with framework; The pedestal of motor inner core is provided with lower supporting rod to coordinate with cantilever beam helical spring, the upper and lower side of pillar is connected and fixed with cantilever beam helical spring centre respectively; Anti-hand shake reed and pillar adopt metal material, column upper section is connected with auto-focusing upper reed plate, the lower reed of anti-hand shake below motor inner core, after being connected with pillar, the split of even number sheet is formed to the lower reed cutting of anti-hand shake, split part is connected with the circuit board of motor inner core again, thus forms the electrical connection route of circuit board and auto-focusing upper reed plate.
Description
Technical field
The utility model relates to a kind of anti-hand tremolo coil motor, and the type voice coil motor is applied in the camera of smart mobile phone, is specifically related to the circuit connection structure in voice coil motor.
Background technology
In intelligent mobile phone, powerful camera function has necessitated demand, high pixel just on the one hand, pursue stabilization effect in addition, the anti-hand shake function emphasizing the quality of photograph own has been trend of the times, hand shake mainly causes the shake of camera self optical axis direction vertical, reach the micro motor that anti-hand shake function just needs anti-hand to shake, but interior of mobile phone limited space, miniature anti-hand shake Motor Components is more complicated than autofocus motor many, therefore, anti-hand shake target to be reached need novel framework in the confined space.
Existing anti-hand shake micro motor technology (), motor configuration as shown in Figure 1, comprise the base 1 fitted together, circuit board 2, dust cap 4, reed 5 under auto-focusing, carry seat and add coil 6, 4 blocks of magnet 7, pedestal 8, auto-focusing upper reed plate 9, parts such as shell 10 grade, carry seat and add coil 6, 4 blocks of magnet 7 are arranged in pedestal 8, pedestal 8 upper and lower is respectively installed on auto-focusing, lower reed, continue below reed 5 under auto-focusing dust cap 4 is installed, circuit board 2, the above-mentioned parts assembled form motor inner core (or being called auto-focusing assembly), motor inner core to be arranged on base 1 and to fasten shell 10.Wherein shock-absorbing structure supports autofocus motor (as shown in Figure 1) with four suspension ring lines 3, and then reach except base 1, circuit board 2, the outer miscellaneous part of shell 10 can move to meet the function of anti-hand shake along the direction of vertical suspension ring bobbin thread.
Four suspension ring lines also play the effect of electrical connection circuit plate and upper focusing reed, but because suspension ring line is very tiny, in weld job, require that the proficiency of manufacturer is very high, easily cause failure welding, and the activity duration is oversize, overall manufacturing cost is improved, if suspension ring line ruptures, then voice coil motor is directly caused to lose efficacy, so this adapter path unreliable.
In existing anti-hand shake micro motor technology (), four suspension ring lines are carrying out forming inclination angle with optical axis thus reducing the quality of image (as shown in Figure 2) because of rotate with during itself vertical direction mobile, and four suspension ring lines are very difficult when automatic assembling.In addition, because suspension ring line does not possess elasticity on the wire-drawing direction be shaped, therefore existing anti-hand shake micro motor technology () is when mobile phone carries out mechanical safety testing, such as fall to falling test, tumbler test, shock test etc., and when user uses mobile phone to drop because of carelessness, all probably cause the damage (as shown in Figure 3) of suspension ring thread breakage.
Existing anti-hand shake micro motor technology (two) supports autofocus motor with four planar springs 11 (as shown in Figure 4), and then reach the function of shaking to meet anti-hand with the movement of four planar spring 11 vertical direction, but four planar springs 11 are carrying out and have inclination angle during itself vertical direction mobile and produce thus reduce the quality of image (as shown in Figure 5), and four planar springs 11 are also very difficult when automatic assembling.In addition, although prior art (two) possesses elasticity thus improve the defect of the middle suspension ring line easy fracture of prior art () on auto-focusing direction, but prior art (two) is except having the shortcoming at inclination angle and not easily assembling, not easily realizing except automation, and manufacturing cost is also higher.
Utility model content
For problems of the prior art, the purpose of this utility model is the anti-hand tremolo coil motor providing a kind of improvement, the utility model adopts the dull and stereotyped reed of two panels and 4 pillars to constitute anti-hand shake device, the dull and stereotyped reed of bottom sheet and pillar connecting circuit board and auto-focusing upper reed plate respectively, build electrical connection route therebetween, dull and stereotyped reed not easily ruptures, and improves reliability and the useful life of voice coil motor.In addition, the safety issue of prior art (one) can also be improved, and dull and stereotyped reed only allows auto-focusing assembly to move along the direction of perpendicular or parallel optical axis, the optical axis angle problem occurred when prior art () is shaken mobile with anti-hand in prior art (two) therefore can be improved.
For achieving the above object, the utility model is by the following technical solutions:
Anti-hand tremolo coil motor, comprise the base, motor inner core and the shell that fit together, anti-hand shake reed is installed respectively additional at described motor inner core upper and lower, the relative position of anti-hand shake reed and base and shell is fixed, the auto-focusing reed that this anti-hand shakes in reed and motor inner core is arranged in parallel, described anti-hand shake reed is provided with collar tie beam shape framework, the even number cantilever beam helical spring being provided with more than 4 in described framework is fixedly connected with framework, and the distance of described cantilever beam helical spring centre-to-centre spacing camera optical axis center is equal;
The pedestal of described motor inner core is provided with lower supporting rod coordinate with cantilever beam helical spring, the upper and lower side of described pillar is connected and fixed with cantilever beam helical spring centre respectively; Described anti-hand shake reed adopts metal material with at least two described pillars, column upper section is connected with auto-focusing upper reed plate, the lower reed of anti-hand shake below motor inner core, after being connected with pillar, the split of even number sheet is formed to the lower reed cutting of anti-hand shake, split part is connected with the circuit board of motor inner core again, thus forms the electrical connection route of circuit board and auto-focusing upper reed plate.
Further, to the split that the lower reed cutting of described anti-hand shake is formed, comprise the cantilever beam helical spring be connected with described pillar and the part frame be connected with cantilever beam helical spring, the part frame retained still is fixedly connected with described base.
Further, the lower reed of described anti-hand shake, be electrically connected with described pillar, circuit board respectively, connected mode adopts spot welding, the weldering of laser tin cream, artificial soldering or conducting resinl.
Further, in described motor inner core, the lower reed of circuit board, anti-hand shake, pillar, auto-focusing upper reed plate, coil sequence form electrical connection path.
Further, the anti-hand shake reed of described motor inner core upper and lower is fixedly connected with shell, base respectively, and connected mode adopts some glue, welding or ultrasonic fusing.
Further, described collar tie beam shape framework is rectangular, and described cantilever beam helical spring arranges 4, is arranged at the corner of rectangular frame respectively.
Further, described cantilever beam helical spring and collar tie beam shape framework are made into integration, and adopt elastic metallic material; Cantilever beam helical spring is arc line shaped, circular, oval or irregular shape.
Further, the connected mode of described pillar and pedestal adopts embedded injection, mechanicalness close-fitting is pressed into, welding or point glued joint and close.
Further, the adjacent helical spring hand of spiral of described cantilever beam is contrary, is arranged symmetrically with in described framework; Or the helical spring hand of spiral of described cantilever beam is identical.
The anti-hand tremolo coil motor adopting said structure to arrange, has the following advantages:
Compared with prior art, the utility model adopts the dull and stereotyped reed of two panels just can complete the sophisticated functions of anti-hand shake, the dull and stereotyped reed of two panels is parallel each other and be positioned at the both sides, front and back in autofocus motor auto-focusing direction, possesses the degree of freedom of three-dimensional, auto-focusing assembly is only allowed to move along the direction of perpendicular or parallel optical axis, the better effects if of (one) anti-hand shake (or being stabilization) compared to existing technology, and because this patent structure is the axial movement of complete vertical light (as shown in Figure 8) when carrying out anti-hand shake movement, therefore the optical axis angle problem occurred when prior art () is shaken mobile with anti-hand in prior art (two) can be improved.
The dull and stereotyped reed that the utility model adopts not easily ruptures, and can improve the safety issue of prior art (one), significantly improve the useful life of voice coil motor.
The lower reed of anti-hand shake in the utility model forms a part of route of motor electrical connection simultaneously, and can play the electrical connection effect of suspension ring line in prior art (), and electrical connection is more reliable, structure obtains optimization.
In general, it is less that the utility model has number of components, and part configuration is simple, easily assembles, dependable performance, the advantage that manufacturing cost is relatively low.
Accompanying drawing explanation
Fig. 1 is the structural representation of anti-hand tremolo coil motor in prior art ();
The optical axis angle problem schematic diagram of Fig. 2 for occurring in prior art ();
The suspension ring thread breakage problem schematic diagram of Fig. 3 for occurring in prior art ();
Fig. 4 is the structural representation of anti-hand tremolo coil motor in prior art (two);
The optical axis angle problem schematic diagram of Fig. 5 for occurring in prior art (two);
Fig. 6 is the structural representation of anti-hand tremolo coil motor in the utility model;
Fig. 7 is the schematic perspective view of anti-hand tremolo coil motor in the utility model;
Fig. 8 be the utility model when being given a shock auto-focusing assembly along the schematic diagram of vertical optical axis direction movement;
Fig. 9 adopts by the utility model anti-hand to shake the front view (helical spring is for circular) of reed;
Figure 10 adopts by the utility model anti-hand to shake the front view (helical spring is irregular shape) of reed;
Figure 11 adopts by the utility model anti-hand to shake the front view (helical spring direction relations) of reed;
Figure 12 is electrical connection schematic diagram of the present utility model (the pillar plan of establishment);
Figure 13 is electrical connection schematic diagram of the present utility model (pillar and auto-focusing upper reed plate connection scheme);
Figure 14 is electrical connection schematic diagram of the present utility model (the lower reed splitting scheme of anti-hand shake);
Figure 15 is electrical connection schematic diagram of the present utility model (the lower reed of anti-hand shake and circuit board connection scheme);
Figure 16 is electrical connection schematic diagram of the present utility model (connection scheme of the lower reed of circuit board, anti-hand shake, pillar, auto-focusing upper reed plate).
In figure: 1, base; 2, circuit board; 3, suspension ring line; 4, dust cap; 5, reed under auto-focusing; 6, carry seat and add coil; 7, magnet; 8, pedestal; 9, auto-focusing upper reed plate; 10, shell; 11, planar spring; 12, coil; 12-1, coil end points; 13, anti-hand shake upper reed plate; 13-1, framework; 13-2, helical spring; 14, the lower reed of anti-hand shake; 15, pillar.
Embodiment
For further setting forth the utility model for the technological means that reaches predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, structure of the present utility model, feature and effect are described in detail as follows.
Anti-hand tremolo coil motor described by the utility model, structure is as Fig. 6, shown in Fig. 7, comprise the base fitted together, motor inner core and shell, motor inner core (or being called auto-focusing assembly) comprises the circuit board fitted together, dust cap, reed under auto-focusing, carry seat and add coil, 4 blocks of magnet, pedestal, the parts such as auto-focusing upper reed plate, carry seat and add coil, 4 blocks of magnet are arranged in pedestal, pedestal upper and lower is respectively installed on auto-focusing, lower reed, continue below reed under auto-focusing dust cap is installed, circuit board, the above-mentioned parts assembled to be arranged on base and to fasten shell.
In order to reach anti-hand shake (stabilization) effect, anti-hand shake reed is installed respectively additional at motor inner core upper and lower, the relative position of anti-hand shake reed and base and shell is fixed, the auto-focusing reed that this anti-hand shakes in reed and motor inner core is arranged in parallel, anti-hand shake reed is provided with collar tie beam shape framework, in this framework, be provided with 4 cantilever beam helical springs be fixedly connected with framework, the distance of cantilever beam helical spring centre-to-centre spacing frame center is equal, so after anti-hand shake reed and the relative position of base and shell are fixed, the distance of cantilever beam helical spring centre-to-centre spacing camera optical axis center is also equal, but when camera is given a shock, this distance relation can change, for 4 cantilever beam helical springs, with 2 meetings of side away from optical axis center, other 2 then can near optical axis center, be subject to the impact of elastic restoring force, 4 cantilever beam helical springs can recover home position again, anti-hand shake reed utilizes this adjustment process opponent to shake just and compensates.Consider according to process conditions, the even number cantilever beam helical spring that also can arrange more than 4 is fixedly connected with framework.
As shown in Fig. 9, Figure 10, Figure 11, collar tie beam shape framework is rectangular, and cantilever beam helical spring is arranged at the corner of rectangular frame respectively.Consider according to process conditions, collar tie beam shape framework also can be set to other shapes, such as octangle, and its shape depends primarily on the shape of base and shell.
Anti-hand shake reed preferably has flexible metal material, such as copper alloy, steel.Consider according to process conditions, also can adopt the composite material that elasticity and intensity are all good.Cantilever beam helical spring and collar tie beam shape framework are preferably made into integration, if adopt split to support, need both to be fixedly connected with.In order to be suspended by motor inner core, the anti-hand shake reed of upper and lower is fixedly connected with shell, base respectively, and connected mode adopts some glue, welding or ultrasonic fusing.
In order to solve the support problem of motor inner core, the pedestal of motor inner core being provided with lower supporting rod and coordinating with cantilever beam helical spring, the upper and lower side of this pillar is connected and fixed with cantilever beam helical spring centre respectively.Pillar adopts metal material or nonmetallic materials, and the connected mode of pillar and pedestal adopts embedded injection, mechanicalness close-fitting is pressed into, welding or put to glued joint and close.
Because the cantilever beam helical spring in anti-hand shake reed distributes in the horizontal direction, and even, symmetric is arranged, so support force is in admirable proportion, when voice coil motor is given a shock, motor inner core can overall move along the direction of vertical optical axis, as shown in Figure 8, or entirety moves along the direction of parallel optical axis, certain this amount of movement is fainter, the shake that the hand just offsetting holding camera produces, and can not optical axis angle be produced, ensure that the one-tenth picture element of camera.Cantilever beam helical spring in anti-hand shake reed, because all there is elasticity at three-dimensional, structural strength is obviously better than suspension ring line, not easy fracture.
In the utility model, cantilever beam helical spring can adopt arc line shaped, circular, oval or irregular shape, as shown in Figure 9, Figure 10.
In order to optimize damping effect, the helical spring hand of spiral of adjacent cantilever beam is contrary, is arranged symmetrically with in framework.Certainly, the helical spring hand of spiral of cantilever beam also can be identical.
In the present embodiment, anti-hand shake reed and pillar all adopt metal material, column upper section is connected with auto-focusing upper reed plate, the lower reed of anti-hand shake below motor inner core, after being connected with pillar, the split of even number sheet is formed to the lower reed cutting of anti-hand shake, split part is connected with the circuit board of motor inner core again, thus forms the electrical connection route of circuit board and auto-focusing upper reed plate, and concrete structure is with reference to shown in Figure 12, Figure 13, Figure 14, Figure 15, Figure 16.Auto-focusing upper reed plate itself is divided into two parts, in 4 pillars, at least arranges 2 and is electrically connected with auto-focusing upper reed plate, and 1 is positive pole, and 1 is negative pole.
In Figure 13, A1, A2 are the electric connection points of pillar and auto-focusing upper reed plate; B1, B2 are the electric connection points of auto-focusing upper reed plate and coil.
After adopting this design, need not arrange adapter path especially again, the suspension ring line compared to existing technology, electrical connection is more reliable, and structure obtains optimization.
As shown in figure 14, to the split that the lower reed cutting of anti-hand shake is formed, comprise the cantilever beam helical spring be connected with pillar and the part frame be connected with cantilever beam helical spring, the part frame retained still is fixedly connected with base.Can after under the shake of anti-hand, reed be electrically connected with base, pillar, use mechanical type to cut off or the mode of laser cutting be divided into the anti-hand of independently even number sheet to shake the lower reed of anti-hand shake under reed.
In Figure 14, C1, C2 are the electric connection points of the lower reed of pillar and the shake of anti-hand; In Figure 15, D1 is the electric connection point of the lower reed of anti-hand shake and circuit board.
The lower reed of anti-hand shake, adopts spot welding with the electric connection mode of pillar, circuit board respectively, laser tin cream welds, manually soldering or conducting resinl.
In the motor inner core described by the utility model, the lower reed of circuit board, anti-hand shake, pillar, auto-focusing upper reed plate, coil sequence form electrical connection path.
Described just in order to the utility model is described above, be construed as the utility model and be not limited to above embodiment, meet the various variants of the utility model thought all within protection range of the present utility model.
Claims (9)
1. anti-hand tremolo coil motor, comprise the base, motor inner core and the shell that fit together, it is characterized in that, anti-hand shake reed is installed respectively additional at described motor inner core upper and lower, the relative position of anti-hand shake reed and base and shell is fixed, the auto-focusing reed that this anti-hand shakes in reed and motor inner core is arranged in parallel, described anti-hand shake reed is provided with collar tie beam shape framework, the even number cantilever beam helical spring being provided with more than 4 in described framework is fixedly connected with framework, and the distance of described cantilever beam helical spring centre-to-centre spacing camera optical axis center is equal;
The pedestal of described motor inner core is provided with lower supporting rod coordinate with cantilever beam helical spring, the upper and lower side of described pillar is connected and fixed with cantilever beam helical spring centre respectively; Described anti-hand shake reed adopts metal material with at least two described pillars, column upper section is connected with auto-focusing upper reed plate, the lower reed of anti-hand shake below motor inner core, after being connected with pillar, the split of even number sheet is formed to the lower reed cutting of anti-hand shake, split part is connected with the circuit board of motor inner core again, thus forms the electrical connection route of circuit board and auto-focusing upper reed plate.
2. anti-hand tremolo coil motor as claimed in claim 1, it is characterized in that, to the split that the lower reed cutting of described anti-hand shake is formed, comprise the cantilever beam helical spring be connected with described pillar and the part frame be connected with cantilever beam helical spring, the part frame retained still is fixedly connected with described base.
3. anti-hand tremolo coil motor as claimed in claim 2, is characterized in that, the lower reed of described anti-hand shake, be electrically connected with described pillar, circuit board respectively, connected mode adopts spot welding, the weldering of laser tin cream, artificial soldering or conducting resinl.
4. anti-hand tremolo coil motor as claimed in claim 1, is characterized in that, in described motor inner core, the lower reed of circuit board, anti-hand shake, pillar, auto-focusing upper reed plate, coil sequence form electrical connection path.
5. anti-hand tremolo coil motor as claimed in claim 1, is characterized in that, the anti-hand shake reed of described motor inner core upper and lower is fixedly connected with shell, base respectively, and connected mode adopts some glue, welding or ultrasonic fusing.
6. anti-hand tremolo coil motor as claimed in claim 1, is characterized in that, described collar tie beam shape framework is rectangular, and described cantilever beam helical spring arranges 4, is arranged at the corner of rectangular frame respectively.
7. anti-hand tremolo coil motor as claimed in claim 1, is characterized in that, described cantilever beam helical spring and collar tie beam shape framework are made into integration, and adopt elastic metallic material; Cantilever beam helical spring is arc line shaped, circular, oval or irregular shape.
8. anti-hand tremolo coil motor as claimed in claim 1, is characterized in that, the connected mode of described pillar and pedestal adopts embedded injection, mechanicalness close-fitting is pressed into, welding or point glued joint and close.
9. anti-hand tremolo coil motor as claimed in claim 1, is characterized in that, the adjacent helical spring hand of spiral of described cantilever beam is contrary, is arranged symmetrically with in described framework; Or the helical spring hand of spiral of described cantilever beam is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627873.0U CN204131296U (en) | 2014-10-28 | 2014-10-28 | Anti-hand tremolo coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627873.0U CN204131296U (en) | 2014-10-28 | 2014-10-28 | Anti-hand tremolo coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204131296U true CN204131296U (en) | 2015-01-28 |
Family
ID=52387617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420627873.0U Expired - Fee Related CN204131296U (en) | 2014-10-28 | 2014-10-28 | Anti-hand tremolo coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204131296U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283367A (en) * | 2014-10-28 | 2015-01-14 | 宜兴市贵鑫磁电高科技有限公司 | Anti-shake device used in voice coil motor |
| CN104300729A (en) * | 2014-10-28 | 2015-01-21 | 宜兴市贵鑫磁电高科技有限公司 | Anti-shake voice coil motor |
| CN104638816A (en) * | 2015-02-03 | 2015-05-20 | 江苏凯龙宝顿动力科技有限公司 | Motor protection mechanism under high-frequency vibration |
-
2014
- 2014-10-28 CN CN201420627873.0U patent/CN204131296U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283367A (en) * | 2014-10-28 | 2015-01-14 | 宜兴市贵鑫磁电高科技有限公司 | Anti-shake device used in voice coil motor |
| CN104300729A (en) * | 2014-10-28 | 2015-01-21 | 宜兴市贵鑫磁电高科技有限公司 | Anti-shake voice coil motor |
| CN104638816A (en) * | 2015-02-03 | 2015-05-20 | 江苏凯龙宝顿动力科技有限公司 | Motor protection mechanism under high-frequency vibration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20201028 |
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| CF01 | Termination of patent right due to non-payment of annual fee |