CN212992180U - Automatic focusing large-stroke driving camera voice coil motor - Google Patents
Automatic focusing large-stroke driving camera voice coil motor Download PDFInfo
- Publication number
- CN212992180U CN212992180U CN202021658287.4U CN202021658287U CN212992180U CN 212992180 U CN212992180 U CN 212992180U CN 202021658287 U CN202021658287 U CN 202021658287U CN 212992180 U CN212992180 U CN 212992180U
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- CN
- China
- Prior art keywords
- carrier
- base
- voice coil
- coil motor
- focusing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910052742 iron Inorganic materials 0.000 claims abstract description 21
- 239000003292 glue Substances 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 230000003068 static effect Effects 0.000 claims description 4
- 239000012943 hotmelt Substances 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 8
- 239000012634 fragment Substances 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides an automatic voice coil motor is made a video recording in big stroke drive of focusing. The automatic focusing large-stroke driving camera voice coil motor comprises a carrier; a base disposed at a bottom of the carrier; the lower elastic sheet is arranged between the carrier and the base; the iron shell is arranged on the top of the base, and the carrier is positioned in the iron shell; the inner support is arranged at the top of the base and is positioned in the iron shell; the upper elastic sheet is arranged on the carrier; the four magnets are all arranged in the iron shell; the wire clamping groove is arranged on one side of the base; the outer bracket clamping groove is formed in the outer wall of the base. The utility model provides an automatic big stroke drive voice coil motor of making a video recording of focusing has that the displacement stroke is big, high confining force, fixes a position accurate advantage.
Description
Technical Field
The utility model relates to a voice coil motor technical field especially relates to an automatic voice coil motor is made a video recording in big stroke drive of focusing.
Background
The main principle of the voice coil motor is that in a permanent magnetic field, the extension position of the spring piece is controlled by changing the size of direct current of a coil in the motor, so that the spring piece is driven to move up and down, the voice coil motor can be used in a camera of a smart phone, the position of Lens can be adjusted to change the focal length, and the camera is in the clearest state.
Voice coil motors have begun to be applied and popularized in the fields of face recognition and security monitoring. Because the module and the mirror that the security protection control trade was used are right, the distance and the scope of focusing are far away than the cell-phone distance of making a video recording greatly, and the displacement variation of camera lens during focus will be greater than the stroke variation of cell-phone far away, require the camera lens can long-time remain stable in a certain position, have had higher requirement to the shell fragment structure and the material of voice coil motor like this, and weight is more than ten times of cell-phone camera lens, require obvious promotion to the shell fragment holding power of voice coil motor.
Therefore, it is necessary to provide a new auto-focus large-stroke driving camera voice coil motor to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a big, high holding power of displacement stroke, the accurate big stroke drive voice coil motor of making a video recording of automatic focusing of location.
In order to solve the technical problem, the utility model provides an automatic big stroke drive voice coil motor of making a video recording of focusing includes: a carrier; a base disposed at a bottom of the carrier; the lower elastic sheet is arranged between the carrier and the base; the iron shell is arranged on the top of the base, and the carrier is positioned in the iron shell; the inner support is arranged at the top of the base and is positioned in the iron shell; the upper elastic sheet is arranged on the carrier; the four magnets are all arranged in the iron shell; the wire clamping groove is arranged on one side of the base; the outer bracket clamping groove is formed in the outer wall of the base; and the glue injection gap is formed in the top of the carrier.
Preferably, the top of the iron shell is provided with a spring plate glue dispensing hole.
Preferably, four groups of glue injection holes, two first positioning holes, four clamping grooves and four base positioning notches are formed in the upper elastic sheet.
Preferably, the upper spring plate is provided with four inner support supporting points, four upper stress pivots, four lower stress pivots, four motion arms and four carrier static arms.
Preferably, the lower elastic sheet is provided with four second positioning holes, two coil welding points, four groups of hot melting fixing holes and a carrier clamping neck ring.
Preferably, four stress pivots are arranged on the lower elastic sheet, a terminal pin welding disc is arranged on the lower elastic sheet, and the terminal pin welding disc is matched with the wire clamping groove.
Compared with the prior art, the utility model provides an auto focus large stroke drive voice coil motor of making a video recording has following beneficial effect:
the utility model provides an automatic big stroke drive voice coil motor of making a video recording of focusing drives the reinforce, and upper and lower shell fragment has the characteristic of high holding power, and the stroke displacement volume can reach more than 500um, and displacement deviation precision can be controlled within 7um, and the camera lens straightness that hangs down can be stabilized within 5 minutes, satisfies the required precision of high definition camera.
Drawings
Fig. 1 is a schematic perspective view of a voice coil motor for auto-focusing and large-stroke driving camera according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural view of the upper spring plate shown in fig. 1;
fig. 3 is a schematic structural view of the lower spring plate shown in fig. 1.
Reference numbers in the figures: 1. a carrier; 2. a base; 3. a lower spring plate; 4. an iron shell; 5. an inner support; 6. an upper spring plate; 7. a magnet; 8. a wire clamping groove; 9. an outer bracket slot; 10. injecting glue gaps; 11. glue dispensing holes for the elastic pieces; 12. injecting glue holes; 13. a first positioning hole; 14. a clamping groove; 15. a base positioning notch; 16. inner support points; 17. an upper stressed fulcrum; 18. a lower stress fulcrum; 19. a motion arm; 20. a carrier static arm; 21. a second positioning hole; 22. a coil welding point; 23. a stressed fulcrum; 24. hot melting the fixing hole; 25. a carrier snap collar; 26. and terminal pin welding discs.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1-3, wherein fig. 1 is a schematic perspective view of an auto-focusing large-stroke driving camera voice coil motor according to a preferred embodiment of the present invention; fig. 2 is a schematic structural view of the upper spring plate shown in fig. 1; fig. 3 is a schematic structural view of the lower spring plate shown in fig. 1. The voice coil motor for driving camera shooting with automatic focusing and large stroke comprises: a carrier 1; a base 2, wherein the base 2 is arranged at the bottom of the carrier 1; the lower elastic sheet 3 is arranged between the carrier 1 and the base 2; the iron shell 4 is arranged on the top of the base 2, and the carrier 1 is positioned in the iron shell 4; an inner bracket 5, wherein the inner bracket 5 is arranged on the top of the base 2, and the inner bracket 5 is positioned in the iron shell 4; the upper elastic sheet 6 is arranged on the carrier 1; four magnets 7, wherein the four magnets 7 are all arranged in the iron shell 4; the wire clamping groove 8 is formed in one side of the base 2; the outer bracket clamping groove 9 is formed in the outer wall of the base 2; and the glue injection gap 10 is formed in the top of the carrier 1, and the glue injection gap 10 is arranged on the top of the carrier 1.
And the top of the iron shell 4 is provided with a spring plate glue dispensing hole 11.
The upper spring plate 6 is provided with four groups of glue injection holes 12, two first positioning holes 13, four clamping grooves 14 and four base positioning notches 15.
The upper elastic sheet 6 is provided with four inner support supporting points 16, four upper stress supporting points 17, four lower stress supporting points 18, four motion force arms 19 and four carrier static force arms 20.
Four second positioning holes 21, two coil welding points 22, four groups of hot melting fixing holes 24 and a carrier clamping neck ring 25 are formed in the lower elastic sheet 3.
Four stress pivots 23 are arranged on the lower elastic sheet 3, a terminal pin welding disc 26 is arranged on the lower elastic sheet 3, and the terminal pin welding disc 26 is matched with the wire clamping groove 8.
In this embodiment:
the carrier 1 is made of LCP engineering plastic injection molding parts with high strength and good toughness, the iron shell 4 with high strength and pressure resistance is used as a framework, and the acting force of a magnetic field is increased and the driving force of a product is improved through the inner yoke of the structure of the magnetic circuit device of the inner magnetic field loudspeaker. The high-strength upper elastic sheet 6 and the high-strength lower elastic sheet 3 are pushed under the action of a strong magnetic field, so that the effects of large-stroke displacement and high-retention-force accurate positioning of products are achieved;
the upper spring plate 6 and the lower spring plate 3 are reasonable in structural design, can stably move under the action of a high-strength magnetic field, can obtain large variation, and have high retention force performance as a whole, the deformation coefficients of the upper spring plate and the lower spring plate are 0.68N/mm, ten times of the deformation coefficient of a common VCM motor, and the VCM motor is suitable for the requirement of large-stroke high-precision positioning of a monitoring system.
Compared with the prior art, the utility model provides an auto focus large stroke drive voice coil motor of making a video recording has following beneficial effect:
the utility model provides an automatic big stroke drive voice coil motor of making a video recording of focusing drives the reinforce, and upper and lower shell fragment has the characteristic of high holding power, and the stroke displacement volume can reach more than 500um, and displacement deviation precision can be controlled within 7um, and the camera lens straightness that hangs down can be stabilized within 5 minutes, satisfies the required precision of high definition camera.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an automatic voice coil motor is made a video recording to big stroke drive of focusing which characterized in that includes:
a carrier;
a base disposed at a bottom of the carrier;
the lower elastic sheet is arranged between the carrier and the base;
the iron shell is arranged on the top of the base, and the carrier is positioned in the iron shell;
the inner support is arranged at the top of the base and is positioned in the iron shell;
the upper elastic sheet is arranged on the carrier;
the four magnets are all arranged in the iron shell;
the wire clamping groove is arranged on one side of the base;
the outer bracket clamping groove is formed in the outer wall of the base;
and the glue injection gap is formed in the top of the carrier.
2. The voice coil motor for auto-focusing and large-stroke driving camera shooting of claim 1, wherein the top of the iron shell is provided with a spring piece glue dispensing hole.
3. The voice coil motor for auto-focusing and large-stroke driving camera shooting as claimed in claim 1, wherein the upper spring plate is provided with four groups of glue injection holes, two first positioning holes, four clamping grooves and four base positioning notches.
4. The voice coil motor for auto-focusing long-stroke driving camera shooting according to claim 1, wherein the upper spring plate is provided with four inner support supporting points, four upper stressed fulcrums, four lower stressed fulcrums, four motion arms and four carrier static arms.
5. The voice coil motor for auto-focusing and large-stroke driving camera shooting of claim 1, wherein the lower elastic sheet is provided with four second positioning holes, two coil welding points, four groups of hot-melt fixing holes and a carrier clamping neck ring.
6. The voice coil motor for auto-focusing and large-stroke driving camera shooting according to claim 5, wherein the lower elastic sheet is provided with four stressed pivots, the lower elastic sheet is provided with a terminal pin welding disc, and the terminal pin welding disc is matched with the wire clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021658287.4U CN212992180U (en) | 2020-08-11 | 2020-08-11 | Automatic focusing large-stroke driving camera voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021658287.4U CN212992180U (en) | 2020-08-11 | 2020-08-11 | Automatic focusing large-stroke driving camera voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212992180U true CN212992180U (en) | 2021-04-16 |
Family
ID=75432335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021658287.4U Expired - Fee Related CN212992180U (en) | 2020-08-11 | 2020-08-11 | Automatic focusing large-stroke driving camera voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212992180U (en) |
-
2020
- 2020-08-11 CN CN202021658287.4U patent/CN212992180U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |