CN218767738U - Transmission type iris diaphragm camera driving device - Google Patents
Transmission type iris diaphragm camera driving device Download PDFInfo
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- CN218767738U CN218767738U CN202222980712.7U CN202222980712U CN218767738U CN 218767738 U CN218767738 U CN 218767738U CN 202222980712 U CN202222980712 U CN 202222980712U CN 218767738 U CN218767738 U CN 218767738U
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- driving
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- supporting base
- metal sheet
- rotating piece
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 40
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Diaphragms For Cameras (AREA)
Abstract
The utility model relates to the technical field of optical element driving, in particular to a driving type iris diaphragm camera driving device, which comprises a baffle plate, blades, a shading sheet, a frame component, a metal sheet, a driving component, a guide piece and a driving component; the frame assembly comprises a supporting base, a rotating piece and a carrier; two ends of the blade are respectively fixed with the rotating piece and the carrier; the shading sheet arranged on one side of the blade is fixed with the rotating piece, and the baffle plate arranged on the other side of the blade is fixed with the carrier; the guide piece is arranged between the rotating piece and the supporting base; the metal sheet is arranged between the carrier and the supporting base; the metal sheet is sleeved outside the rotating piece and is connected with the rotating piece through a transmission assembly; the driving assembly is connected with the supporting base and the metal sheet respectively, drives the metal sheet to rotate, and drives the rotating piece to rotate through the transmission assembly. The utility model adopts the transmission component to enlarge the aperture adjusting range; the utility model discloses simple structure, the equipment of being convenient for, it is with low costs.
Description
Technical Field
The utility model belongs to the technical field of the optical element drive technique and specifically relates to a driven iris diaphragm drive arrangement that makes a video recording.
Background
At present, with the continuous development of the electronic device industry, the functions of the electronic device gradually tend to be diversified and intelligentized, wherein the camera aperture has gradually become one of the necessary functions of the electronic device. For the camera aperture, in a place with strong light, the camera can obtain deeper depth of field and sharper picture by reducing the aperture, and in a place with insufficient light, the light inlet quantity can be increased by increasing the aperture, so that a pure picture with higher exposure and lower noise point can be obtained.
In the prior art, most of the diaphragms of the mobile phone are fixed diaphragms, and cannot be reduced or enlarged like a camera lens. At present, for the driving of a camera lens with an iris diaphragm, a magnet and a coil are usually adopted to directly drive blades to rotate, the magnet can generate angular rotation in actual use, and a magnetic field is offset accordingly.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a transmission type iris diaphragm camera driving device, which solves the technical problem of magnetic field offset caused by the rotation of the magnet in the driving device of the prior art.
In order to achieve the above object, the utility model discloses a main technical scheme include:
the utility model provides a transmission type iris diaphragm camera shooting driving device, which comprises a baffle plate, blades, a shading sheet, a frame component, a metal sheet, a transmission component, a guide piece and a driving component; the frame assembly comprises a support base, a rotating member and a carrier; two ends of the blade are respectively fixed with the rotating piece and the carrier; the shading sheet arranged on one side of the blade is fixed with the rotating piece, and the baffle plate arranged on the other side of the blade is fixed with the carrier; the guide piece is arranged between the rotating piece and the supporting base; the metal sheet is arranged between the carrier and the supporting base; the metal sheet is sleeved outside the rotating piece and is connected with the rotating piece through the transmission assembly; the driving assembly is respectively connected with the supporting base and the metal sheet, drives the metal sheet to rotate, and drives the rotating piece to rotate through the transmission assembly.
Furthermore, the transmission assembly comprises a first gear, a second gear and a third gear, the first gear is arranged at the bottom of the metal sheet, and the second gear is arranged on the supporting base; the third gear is arranged on the outer annular surface of the rotating part; the first gear, the second gear and the third gear are sequentially connected in a meshed mode.
Further, the drive assembly comprises a drive magnet and a drive coil which are oppositely arranged, the drive magnet is connected with the metal sheet, and the drive coil is connected with the support base.
Furthermore, a retaining wall is arranged on the supporting base, and the carrier and the supporting base are fixed through the retaining wall; the carrier with all be equipped with the through-hole on the support base, the rotating member sets up in the through-hole.
Furthermore, the guide piece is fixed the barricade medial surface of support base, just the guide piece is located the recess that the rotating member outside ring surface set up.
Furthermore, a boss is arranged on the supporting base, a hole digging groove is formed in the boss, and the supporting piece is arranged in the hole digging groove.
Further, the magnetic steel wire rope pre-pressing device comprises a pre-pressing assembly, wherein the pre-pressing assembly comprises a first magnetic part and a second magnetic part which are oppositely arranged; the first magnetic part and the second magnetic part are respectively arranged at the bottom of the metal sheet and at the upper part of the supporting base.
Further, still include the protective housing, the protective housing cover is established support the base outside.
The utility model has the advantages that: the utility model provides a pair of driven type iris diaphragm drive arrangement that makes a video recording adopts drive assembly to make the light ring control range bigger. The utility model discloses simple structure, the equipment of being convenient for, it is with low costs.
Drawings
Fig. 1 is a schematic structural view of a transmission type iris diaphragm camera driving device of the present invention;
fig. 2 is an exploded view of the transmission type iris diaphragm camera driving device of the present invention;
FIG. 3 is a schematic structural view of the transmission assembly of the present invention;
FIG. 4 is a schematic view of the connection structure of the first gear and the metal plate of the present invention;
FIG. 5 is a schematic view of a connection structure of the second gear and the supporting member according to the present invention;
fig. 6 is a schematic view of a connection structure between the third gear and the rotary member of the present invention.
In the figure: 1. a baffle plate; 2. a blade; 3. a shading sheet; 4. a frame assembly; 41. a support base; 411. retaining walls; 412. a boss; 413. digging a hole groove; 414. a rotating shaft; 42. a rotating member; 421. a groove; 43. a carrier; 431. a guide post; 432. fixing grooves; 5. a metal sheet; 51. a guide groove; 6. a transmission assembly; 61. a first gear; 62. a second gear; 63. a third gear; 7. a guide member; 8. a support member; 9. a drive assembly; 91. a drive magnet; 92. a drive coil; 10. a pre-pressing component; 101. a first magnetic member; 102. a second magnetic member.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.
Example 1:
the present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1 and 2, the present invention provides a transmission type iris diaphragm camera driving device. The driving device comprises a baffle plate 1, a blade 2, a shading sheet 3, a frame component 4, a metal sheet 5, a transmission component 6, a guide piece 7, a support piece 8 and a driving component 9.
Wherein, referring to fig. 2, the frame assembly 4 comprises a support base 41, a rotary member 42 and a carrier 43. Specifically, the retaining wall 411 is disposed on the supporting base 41, a fixing groove 432 engaged with the retaining wall 411 of the supporting base 41 is disposed below the carrier 43, and the carrier 43 and the supporting base 41 are fixed by inserting the fixing groove 432 into the retaining wall 411. The retaining wall 411 may be provided with three or four to increase the stability of the driving apparatus. The carrier 43 and the supporting base 41 are provided with through holes in the middle, and the rotating member 42 is disposed between the carrier 43 and the supporting base 41 and located in the through holes.
The two ends of the blade 2 are respectively fixed with the rotating member 42 and the carrier 43, and the blade 2 is driven to open and close by the rotation of the rotating member 42. The light shielding sheet 3 arranged on one side of the blade 2 is fixedly connected with the rotating member 42, and the baffle plate 1 arranged on the other side of the blade 2 is fixedly connected with the carrier 43.
The guide 7 is provided between the rotary member 42 and the support base 41, and serves to guide the rotation of the rotary member 42. Specifically, a groove 421 is formed on an outer circumferential surface of the rotating member 42, the guide member 7 is disposed between the groove 421 and an inner side surface of the retaining wall 411, and the guide member 7 is fixed on the inner side surface of the retaining wall 411. The guide 7 may be a needle roller or a ball roller, and the cross section of the groove 421 may be rectangular or trapezoidal, so that the groove 421 can move with respect to the guide 7 when the rotary member 42 rotates.
The metal sheet 5 is provided between the carrier 43 and the support base 41. Specifically, the metal sheet 5 is connected to the supporting base 41 through a supporting member 8, and the supporting member 8 may be a roller pin or a ball, so that the metal sheet 5 can rotate relative to the supporting base 41. The support base 41 is provided with a boss 412, the boss 412 is provided with a hole digging groove 413, and the support member 8 is arranged in the hole digging groove 413. The guide posts 431 below the carrier 43 are inserted into the rectangular guide grooves 51 of the metal sheet 5 so that the carrier 43 does not move when the metal sheet 5 rotates.
The metal sheet 5 is sleeved outside the rotating piece 42, and the metal sheet 5 is connected with the rotating piece 42 through the transmission component 6. The driving assembly 9 is respectively connected with the supporting base 41 and the metal sheet 5, and the driving assembly 9 drives the metal sheet 5 to rotate, so as to drive the rotating member 42 to rotate through the transmission assembly 6.
The utility model discloses a transmission assembly 6 can make the light ring control range bigger. The utility model has the advantages of simple structure, the equipment of being convenient for, it is with low costs.
Therein, referring to fig. 3 to 6, the transmission assembly 6 includes a first gear 61, a second gear 62 and a third gear 63. The first gear 61 is fixed at the bottom of the metal sheet 5, the second gear 62 is rotatably disposed on the rotating shaft 414 inside the supporting base 41, and the third gear 63 is fixed on the outer annular surface of the rotating member 42. The first gear 61 meshes with the second gear 62, and the second gear 62 meshes with the third gear 63. Specifically, the first gear 61 and the third gear 63 may each be a spur rack, and the second gear 62 is a double gear including fixedly connected upper and lower teeth. During transmission, the metal sheet 5 rotates to drive the first gear 61 to rotate, the first gear 61 drives the upper teeth of the second gear 62 to rotate, the lower teeth of the second gear 62 drives the third gear 63 to rotate, and then the rotating piece 42 is driven to rotate.
Referring to fig. 2, the driving unit 9 includes a driving magnet 91 and a driving coil 92 disposed opposite to each other. The drive magnet 91 is fixed to the lower surface of the metal sheet 5, and the drive coil 92 is fixed to the support base 41 at a position corresponding to the drive magnet 91. The driving coil 92 is externally connected with a power supply and interacts with the driving magnet 91 to generate rotary motion to the metal sheet 5.
In some embodiments, referring to fig. 2, the driving apparatus further includes a pre-pressing assembly 10. The pre-pressing assembly 10 includes a first magnetic member 101 and a second magnetic member 102 disposed oppositely. The first magnetic member 101 and the second magnetic member 102 are respectively disposed at the bottom of the metal sheet 5 and at the top of the supporting base 41. The first magnetic member 101 and the second magnetic member 102 are attracted to each other to form a pre-pressure, so that on one hand, the support member 8 can be prevented from rolling in the hole digging groove 413 to generate abnormal sound; on the other hand, to fix the metal sheet 5 and prevent the metal sheet 5 from moving.
In some embodiments, the driving device further comprises a protective casing (not shown) covering the supporting base 41 for protecting the driving device.
The utility model discloses become gear drive belt moving blade 2 with the angular rotation motion of magnetite and open and shut, the light ring is adjusted more accurately, and light ring control range is big, and the effect of shooing is better.
The working principle of the utility model is as follows:
when the external power supply transmits the electric signal to the driving coil 92, the driving coil 92 and the driving magnet 91 interact to generate lorentz force, so that the metal sheet 5 generates rotary motion at a certain angle, the first gear 61 is driven to rotate, the first gear 61 drives the second gear 62 to rotate, the second gear 62 drives the third gear 63 to rotate, and the third gear 63 drives the rotating piece 42 to rotate, so that the blades 2 are opened or closed, and the aperture size is adjusted.
Claims (8)
1. A transmission type iris diaphragm image pickup driving device is characterized in that: comprises a baffle (1), blades (2), a shading sheet (3), a frame component (4), a metal sheet (5), a transmission component (6), a guide piece (7) and a driving component (9); the frame assembly (4) comprises a support base (41), a rotating member (42) and a carrier (43);
two ends of the blade (2) are respectively fixed with the rotating piece (42) and the carrier (43); the shading sheet (3) arranged on one side of the blade (2) is fixed with the rotating piece (42), and the baffle (1) arranged on the other side of the blade (2) is fixed with the carrier (43);
the guide piece (7) is arranged between the rotating piece (42) and the supporting base (41);
the metal sheet (5) is arranged between the carrier (43) and the supporting base (41); the metal sheet (5) is sleeved outside the rotating piece (42), and the metal sheet (5) is connected with the rotating piece (42) through the transmission component (6);
drive assembly (9) respectively with support base (41) with sheetmetal (5) are connected, drive assembly (9) drive sheetmetal (5) rotate, through drive assembly (6) drive revolving part (42) rotate.
2. The driving type iris diaphragm image pickup driving device according to claim 1, wherein: the transmission assembly (6) comprises a first gear (61), a second gear (62) and a third gear (63), the first gear (61) is arranged at the bottom of the metal sheet (5), and the second gear (62) is arranged on the supporting base (41); the third gear (63) is arranged on the outer annular surface of the rotating piece (42); the first gear (61), the second gear (62) and the third gear (63) are sequentially meshed and connected.
3. The driving type iris image pickup driving apparatus according to claim 1, wherein: the driving assembly (9) comprises a driving magnet (91) and a driving coil (92) which are oppositely arranged, the driving magnet (91) is connected with the metal sheet (5), and the driving coil (92) is connected with the supporting base (41).
4. The driving type iris image pickup driving apparatus according to claim 1, wherein: a retaining wall (411) is arranged on the supporting base (41), and the carrier (43) and the supporting base (41) are fixed through the retaining wall (411); the carrier (43) and the supporting base (41) are both provided with through holes, and the rotating piece (42) is arranged in the through holes.
5. The driving type iris diaphragm image pickup driving device according to claim 1, wherein: the guide piece (7) is fixed on the inner side surface of a retaining wall (411) of the supporting base (41), and the guide piece (7) is positioned in a groove (421) formed in the outer side annular surface of the rotating piece (42).
6. The driving type iris diaphragm image pickup driving device according to claim 1, wherein: be equipped with boss (412) on support base (41), be equipped with on boss (412) and dig hole groove (413), be equipped with support piece (8) in digging hole groove (413).
7. The driving type iris image pickup driving apparatus according to claim 1, wherein: the magnetic material pre-pressing device further comprises a pre-pressing assembly (10), wherein the pre-pressing assembly (10) comprises a first magnetic part (101) and a second magnetic part (102) which are arranged oppositely; the first magnetic part (101) and the second magnetic part (102) are respectively arranged at the bottom of the metal sheet (5) and at the upper part of the supporting base (41).
8. The driving type iris diaphragm image pickup driving device according to claim 1, wherein: the protective shell is covered outside the supporting base (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222980712.7U CN218767738U (en) | 2022-11-09 | 2022-11-09 | Transmission type iris diaphragm camera driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222980712.7U CN218767738U (en) | 2022-11-09 | 2022-11-09 | Transmission type iris diaphragm camera driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218767738U true CN218767738U (en) | 2023-03-28 |
Family
ID=85646923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222980712.7U Active CN218767738U (en) | 2022-11-09 | 2022-11-09 | Transmission type iris diaphragm camera driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218767738U (en) |
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2022
- 2022-11-09 CN CN202222980712.7U patent/CN218767738U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A transmission type variable aperture camera driving device Effective date of registration: 20231228 Granted publication date: 20230328 Pledgee: China Construction Bank Corporation Panjin branch Pledgor: Liaoning Zhonglan Photoelectric Technology Co.,Ltd. Registration number: Y2023210000359 |