CN203587929U - A single-hidden type aperture - Google Patents
A single-hidden type aperture Download PDFInfo
- Publication number
- CN203587929U CN203587929U CN201320237614.2U CN201320237614U CN203587929U CN 203587929 U CN203587929 U CN 203587929U CN 201320237614 U CN201320237614 U CN 201320237614U CN 203587929 U CN203587929 U CN 203587929U
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- blade
- base plate
- coil
- driving
- cover plate
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Abstract
The utility model discloses a single-hidden type aperture comprising a cover plate, a base plate, a first blade and a second blade. A blade driving mechanism is installed on the base plate. The blade driving mechanism comprises a coil frame, a coil winding, a magnet and a drive rod. The magnet and the drive rod are installed inside an accommodation cavity of a coil frame core portion. The drive rod is provided with two driving arms and two corresponding blade driving levers. Under the magnetic force effect of a geomagnetic field, the magnet drives the driving rod to move and makes the driving arms to be at closure positions of light holes. The two blade driving levers drive the first blade and the second blade to close up. When the coil winding is connected with a low voltage current, a magnetic force generated by a magnetic field of the coil winding drives the magnet to rotate and drives the driving rod to rotate. The driving rod drives the first blade and the second blade to move through the blade driving levers of the driving arms, and finally the first blade and the second blade are made to open, and light can completely goes through the light holes of the cover plate and the base plate. According to the utility model, traditional modes of driving blades to move through springs are completely broken through, and the usage life is long.
Description
Technical field
The utility model relates to iris apparatus technical field, relates in particular to the hidden type aperture of a kind of list.
Background technology
Aperture is a device that is used for controlling light through camera lens and controls the light quantity that enters the interior light-sensitive surface of fuselage, and it has been widely used in various types of cameras.The inside of camera is provided with corresponding blade, and camera mainly moves to realize camera unlatching, closing motion by blade.
Existing camera mainly comes driven vane to move by spring, and due to the existing easily broken and problem that serviceable life is short of spring, existing camera ubiquity short defect in serviceable life.
Utility model content
The purpose of this utility model is to provide a kind of list hidden type aperture for the deficiencies in the prior art, and the hidden type aperture of this list has been broken through the mode of traditional Spring driving blade action, long service life completely.
For achieving the above object, the utility model is achieved through the following technical solutions.
The hidden type aperture of a kind of list, the base plate that includes cover plate and coordinate with cover plate, cover plate and base plate offer respectively the light hole for light penetration, form blade placing chamber between cover plate and base plate, can be equiped with relatively actively the first blade and second blade of arranged stacked in blade placing chamber, when aperture is closed, the first blade and the second blade draw in, and light can not fully penetrate the light hole of cover plate and base plate, when aperture is opened, the first blade and the second blade open, and light can fully penetrate the light hole of cover plate and base plate, base plate is equiped with vane drive mechanism in the position of departing from light hole, vane drive mechanism is positioned at the opposition side of cover plate, vane drive mechanism includes coil former and installs around the coil winding in coil former, coil former is installed in base plate, the core of coil former forms accommodating cavity, in accommodating cavity, be embedded with rotatably magnet and with the driving stem of magnet synchronization action, driving stem is provided with two actuating arms that extend outside coil former, two actuating arms are respectively arranged with a blade driving lever extending in blade placing chamber, two blade driving levers are connected with corresponding the first blade and the second vane drive respectively.
Wherein, described coil former includes bobbin winder bracket and coil cap, coil cap is installed in described base plate, bobbin winder bracket forms for installing around the winding slot of described coil winding, described accommodating cavity takes shape in the core of bobbin winder bracket and towards coil cap one side opening, coil cap mounts cover the opening part in accommodating cavity, described magnet is flush-mounted in the bottom of accommodating cavity, bobbin winder bracket offers respectively the first loose slot in corresponding two the described actuating arms of sidewall of the opening part of accommodating cavity, and two actuating arms can be intercalated in corresponding the first loose slot respectively relatively actively.
Wherein, the corresponding described bobbin winder bracket of described coil cap is provided with the first fixed leg, and corresponding the first fixed leg of bobbin winder bracket offers the first fixed orifice, and the first fixed leg is intercalated in the first fixed orifice.
Wherein, the corresponding described base plate of described coil cap is provided with the second fixed leg, and corresponding the second fixed leg of base plate offers the second fixed orifice, and the second fixed leg is intercalated in the second fixed orifice.
Wherein, corresponding two the described blade driving levers of described base plate offer respectively the second loose slot that is communicated with described blade placing chamber, and two blade driving levers can be intercalated in corresponding the second loose slot respectively relatively actively.
Wherein, the corresponding corresponding described blade driving lever of described the first blade and the second blade offers respectively driving lever mounting hole, and two blade driving levers are intercalated in respectively in corresponding driving lever mounting hole.
Wherein, corresponding described the first blade of described base plate and described the second blade are respectively arranged with the guidepost extending in described blade placing chamber, the corresponding corresponding guidepost of the first blade and the second blade offers respectively pilot hole, and guidepost is intercalated in corresponding pilot hole.
Wherein, described bobbin winder bracket is fitted with the PCB wiring board being electrically connected to external power source, and PCB wiring board is fitted with coil terminals, and PCB wiring board, coil terminals and described coil winding are electrically connected to successively.
Wherein, the outer race of described bobbin winder bracket is equipped with shielding iron ring.
Wherein, described cover plate and described base plate snapping.
The beneficial effects of the utility model are: the hidden type aperture of a kind of list described in the utility model, it includes cover plate and base plate, in blade placing chamber between cover plate and base plate, be equiped with the first blade and the second blade, base plate is equiped with vane drive mechanism in the position of departing from light hole, vane drive mechanism includes coil former, coil winding and be installed in magnet and the driving stem in the accommodating cavity of coil former core, driving stem is provided with two actuating arms that extend outside coil former, two actuating arms are respectively arranged with a blade driving lever that drives corresponding the first blade and the action of the second blade.Under the magneticaction in magnetic field of the earth, magnet drives driving stem move and make actuating arm be positioned at light hole off-position, and two blade driving levers drive the first blade and the second blade to draw in, and light can not fully penetrate the light hole of cover plate and base plate; When coil winding is connected low tension, coil winding produces magnetic field, the magneticaction that coil winding magnetic field produces overcomes the magneticaction in magnetic field of the earth, magnet rotates and drives driving stem to rotate, driving stem drives the first blade and the second blade to move gradually by the blade driving lever of actuating arm, and finally making the first blade and the second blade open, light can fully penetrate the light hole of cover plate and base plate.Comprehensive above-mentioned situation is known, and the utility model comes driven vane to move and realize aperture unlatching, closing motion by the mode of electric magnetisation, has broken through the mode of traditional Spring driving blade action completely, the utlity model has the advantage of long service life.
Accompanying drawing explanation
Utilize accompanying drawing to be further detailed the utility model below, but the embodiment in accompanying drawing does not form any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation at another visual angle of the utility model.
Fig. 3 is decomposing schematic representation of the present utility model.
Fig. 4 is the decomposing schematic representation at another visual angle of the utility model.
Fig. 5 is the structural representation of bobbin winder bracket of the present utility model.
Fig. 6 is the structural representation of coil cap of the present utility model.
Fig. 7 is the structural representation of base plate of the present utility model.
In Fig. 1 to Fig. 7, include:
10---cover plate 11---base plate 12---light holes
13---blade placing chamber 20---first blade 21---the second blades
22---driving lever mounting hole 30---vane drive mechanism 31---coil formers
311---accommodating cavity 312---bobbin winder bracket 312a---winding slots
313---coil cap 32---magnet 33---driving stems
331---actuating arm 332---blade driving lever 40---the first fixed legs
41---the first fixed orifice 50---second fixed leg 51---the second fixed orifices
60---the first loose slot 61---second loose slot 70---guideposts
71---pilot hole 80---PCB wiring board 81---coil terminals
90---shielding iron ring.
Embodiment
Below in conjunction with concrete embodiment, the utility model is described.
As shown in Figures 1 to 4, the hidden type aperture of a kind of list, the base plate 11 that includes cover plate 10 and coordinate with cover plate 10, cover plate 10 and base plate 11 offer respectively the light hole 12 for light penetration, between cover plate 10 and base plate 11, form blade placing chamber 13, in blade placing chamber 13, can be equiped with relatively actively the first blade 20 and second blade 21 of arranged stacked, when aperture is closed, the first blade 20 and the second blade 21 draw in, and light can not fully penetrate the light hole 12 of cover plate 10 and base plate 11, when aperture is opened, the first blade 20 and the second blade 21 open, and light can fully penetrate the light hole 12 of cover plate 10 and base plate 11, base plate 11 is equiped with vane drive mechanism 30 in the position of departing from light hole 12, vane drive mechanism 30 is positioned at the opposition side of cover plate 10, vane drive mechanism 30 includes coil former 31 and installs around the coil winding (not shown) in coil former 31, coil former 31 is installed in base plate 11, the core of coil former 31 forms accommodating cavity 311, in accommodating cavity 311, be embedded with rotatably magnet 32 and with the driving stem 33 of magnet 32 synchronization actions, driving stem 33 is provided with two actuating arms 331 that extend outside coil former 31, two actuating arms 331 are respectively arranged with a blade driving lever 332 extending in blade placing chamber 13, two blade driving levers 332 drive and are connected with corresponding the first blade 20 and the second blade 21 respectively.
In the utility model course of work, magneticaction due to magnetic field of the earth, magnet 32 drives driving stem 33 move and make actuating arm 331 be positioned at light hole 12 off-positions, two blade driving levers 332 drive the first blade 20 and the second blade 21 to draw in, and light can not fully penetrate the light hole 12 of cover plate 10 and base plate 11; When coil winding is connected low tension, coil winding produces magnetic field, the magneticaction that coil winding magnetic field produces overcomes the magneticaction in magnetic field of the earth, magnet 32 rotates and drives driving stem 33 to rotate, driving stem 33 drives the first blade 20 and the second blade 21 to move gradually by the blade driving lever 332 of actuating arm 331, and finally making the first blade 20 and the second blade 21 open, light can fully penetrate the light hole 12 of cover plate 10 and base plate 11; During power-off, the magneticaction in the magnetic field of coil winding disappears, and magnet 32 resets and replys and make driving stem 33 be reset to light hole 12 off-positions under the magneticaction in magnetic field of the earth.
Comprehensive above-mentioned situation is known, and the utility model comes driven vane to move and realize aperture unlatching, closing motion by the mode of electric magnetisation, has broken through the mode of traditional Spring driving blade action completely, the utlity model has the advantage of long service life.
Need further to explain, cover plate 10 of the present utility model and base plate 11 can adopt together with the mode of snapping is assemblied in; Certainly, above-mentioned assembling mode does not form restriction of the present utility model, and cover plate 10 and base plate 11 can also adopt together with other mode is assemblied in, and mode is for example spirally connected.
Further, as shown in Figures 3 to 6, coil former 31 includes bobbin winder bracket 312 and coil cap 313, coil cap 313 is installed in base plate 11, bobbin winder bracket 312 forms for installing around the winding slot 312a of coil winding, accommodating cavity 311 takes shape in the core of bobbin winder bracket 312 and towards coil cap 313 1 side openings, coil cap 313 mounts cover in the opening part of accommodating cavity 311, magnet 32 is flush-mounted in the bottom of accommodating cavity 311, bobbin winder bracket 312 offers respectively the first loose slot 60 in corresponding two actuating arms 331 of sidewall of the opening part of accommodating cavity 311, two actuating arms 331 can be intercalated in respectively in corresponding the first loose slot 60 relatively actively.
In the process that the actuating arm 331 of driving stem 33 rotates, the first loose slot 60 provides activity space for corresponding actuating arm 331; Meanwhile, the sidewall of the first loose slot 60 carries out spacing to corresponding actuating arm 331, and when coil winding is not switched on, actuating arm 331 is positioned at light hole 12 off-positions and against the wherein sidewall of corresponding the first loose slot 60; When coil winding energising and actuating arm 331 are positioned at light hole 12 full open position, actuating arm 331 is against another sidewall of corresponding the first loose slot 60.
Further, the blade driving lever 332 of actuating arm 331 run through base plate 11 and extend base plate 11 and cover plate 10 between blade placing chamber 13 in, for guaranteeing that blade driving lever 332 has enough activity spaces, 61, two blade driving levers 332 of the second loose slot that corresponding two the blade driving levers 332 of base plate 11 of the present utility model offer respectively connection blade placing chamber 13 can be intercalated in respectively in corresponding the second loose slot 61 relatively actively.
Need further to explain, as shown in Fig. 3 to Fig. 7, the corresponding bobbin winder bracket 312 of coil cap 313 is provided with the first fixed leg 40, and corresponding the first fixed leg 40 of bobbin winder bracket 312 offers the first fixed orifice 41, the first fixed legs 40 and is intercalated in the first fixed orifice 41; Same, the corresponding base plate 11 of coil cap 313 is provided with the second fixed leg 50, and corresponding the second fixed leg 50 of base plate 11 offers the second fixed orifice 51, the second fixed legs 50 and is intercalated in the second fixed orifice 51.
Together with the mode that coil cap 313 of the present utility model matches with the first fixed orifice 41 by the first fixed leg 40 with bobbin winder bracket 312 is assemblied in, same, together with the mode that coil should match with the second fixed orifice 51 by the second fixed leg 50 with base plate 11 is assemblied in; Above-mentioned assembling mode has advantages of accurate positioning and easy to assembly.
The blade driving lever 332 of actuating arm 331 drives corresponding the first blade 20 and the second blade 21 in the interior activity of blade placing chamber 13, concrete: the first blade 20 and the corresponding corresponding blade driving lever 332 of the second blade 21 offer respectively 22, two blade driving levers 332 of driving lever mounting hole and are intercalated in respectively in corresponding driving lever mounting hole 22; The utility model is by realizing actuating arm 331 and corresponding the first blade 20 and the second blade 21 interlocks coordinating between blade driving lever 332 and driving lever mounting hole 22.
In addition, for guaranteeing that the first blade 20 and the second blade 21 move exactly in blade placing chamber 13, corresponding the first blade 20 of base plate 11 of the present utility model and the second blade 21 are respectively arranged with the guidepost 70 extending in blade placing chamber 13, the first blade 20 and the corresponding corresponding guidepost 70 of the second blade 21 offer respectively pilot hole 71, and guidepost 70 is intercalated in corresponding pilot hole 71.As shown in Fig. 4 and Fig. 7, corresponding the first blade 20 of base plate 11 of the present utility model and the second blade 21 are respectively arranged with two guideposts 70, and corresponding, the first blade 20 and the second blade 21 also offer respectively two pilot holes 71; Certainly, the quantity of above-mentioned guidepost 70 and pilot hole 71 does not form restriction of the present utility model.The utility model coordinates to realize the first blade 20 by guidepost 70 with corresponding pilot hole 71 and the second blade 21 accurately moves reposefully.
As preferred embodiment, as shown in Fig. 1, Fig. 3 and Fig. 4, bobbin winder bracket 312 is fitted with the PCB wiring board 80 being electrically connected to external power source, and PCB wiring board 80 is fitted with coil terminals 81, and PCB wiring board 80, coil terminals 81 and coil winding are electrically connected to successively.
Need further to explain, for avoiding external magnetic field to exert an influence to magnet 32, the utility model is equipped with shielding iron ring 90 in the outer race of bobbin winder bracket 312.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (10)
1. the hidden type aperture of list, it is characterized in that: the base plate (11) that includes cover plate (10) and coordinate with cover plate (10), cover plate (10) and base plate (11) offer respectively the light hole (12) for light penetration, between cover plate (10) and base plate (11), form blade placing chamber (13), in blade placing chamber (13), can be equiped with relatively actively the first blade (20) and second blade (21) of arranged stacked; When aperture is closed, the first blade (20) draws in the second blade (21), and light can not fully penetrate the light hole (12) of cover plate (10) and base plate (11); When aperture is opened, the first blade (20) opens with the second blade (21), and light can fully penetrate the light hole (12) of cover plate (10) and base plate (11);
Base plate (11) is equiped with vane drive mechanism (30) in the position of departing from light hole (12), vane drive mechanism (30) is positioned at the opposition side of cover plate (10), vane drive mechanism (30) includes coil former (31) and installs around in the coil winding of coil former (31), coil former (31) is installed in base plate (11), the core of coil former (31) forms accommodating cavity (311), in accommodating cavity (311), be embedded with rotatably magnet (32) and with the driving stem (33) of magnet (32) synchronization action, driving stem (33) is provided with two and extends the outer actuating arm (331) of coil former (31), two actuating arms (331) are respectively arranged with a blade driving lever (332) extending in blade placing chamber (13), two blade driving levers (332) drive and are connected with corresponding the first blade (20) and the second blade (21) respectively.
2. the hidden type aperture of a kind of list according to claim 1, it is characterized in that: described coil former (31) includes bobbin winder bracket (312) and coil cap (313), coil cap (313) is installed in described base plate (11), bobbin winder bracket (312) forms the winding slot (312a) for installing around described coil winding, described accommodating cavity (311) takes shape in the core of bobbin winder bracket (312) and towards coil cap (313) one side openings, coil cap (313) mounts cover in the opening part of accommodating cavity (311), described magnet (32) is flush-mounted in the bottom of accommodating cavity (311), bobbin winder bracket (312) offers respectively the first loose slot (60) in corresponding two the described actuating arms of sidewall (331) of the opening part of accommodating cavity (311), two actuating arms (331) can be intercalated in corresponding the first loose slot (60) respectively relatively actively.
3. the hidden type aperture of a kind of list according to claim 2, it is characterized in that: the corresponding described bobbin winder bracket of described coil cap (313) (312) is provided with the first fixed leg (40), corresponding the first fixed leg of bobbin winder bracket (312) (40) offers the first fixed orifice (41), and the first fixed leg (40) is intercalated in the first fixed orifice (41).
4. the hidden type aperture of a kind of list according to claim 3, it is characterized in that: the corresponding described base plate of described coil cap (313) (11) is provided with the second fixed leg (50), corresponding the second fixed leg of base plate (11) (50) offers the second fixed orifice (51), and the second fixed leg (50) is intercalated in the second fixed orifice (51).
5. the hidden type aperture of a kind of list according to claim 4, it is characterized in that: corresponding two the described blade driving levers of described base plate (11) (332) offer respectively the second loose slot (61) that is communicated with described blade placing chamber (13), and two blade driving levers (332) can be intercalated in corresponding the second loose slot (61) respectively relatively actively.
6. the hidden type aperture of a kind of list according to claim 5, it is characterized in that: the corresponding corresponding described blade driving lever of described the first blade (20) and the second blade (21) (332) offers respectively driving lever mounting hole (22), and two blade driving levers (332) are intercalated in respectively in corresponding driving lever mounting hole (22).
7. the hidden type aperture of a kind of list according to claim 6, it is characterized in that: corresponding described the first blade (20) of described base plate (11) and described the second blade (21) are respectively arranged with the guidepost (70) extending in described blade placing chamber (13), the corresponding corresponding guidepost (70) of the first blade (20) and the second blade (21) offers respectively pilot hole (71), and guidepost (70) is intercalated in corresponding pilot hole (71).
8. the hidden type aperture of a kind of list according to claim 7, it is characterized in that: described bobbin winder bracket (312) is fitted with the PCB wiring board (80) being electrically connected to external power source, PCB wiring board (80) is fitted with coil terminals (81), and PCB wiring board (80), coil terminals (81) and described coil winding are electrically connected to successively.
9. the hidden type aperture of a kind of list according to claim 8, is characterized in that: the outer race of described bobbin winder bracket (312) is equipped with shielding iron ring (90).
10. according to the hidden type aperture of a kind of list described in claim 1 to 9 any one, it is characterized in that: described cover plate (10) and described base plate (11) snapping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320237614.2U CN203587929U (en) | 2013-05-03 | 2013-05-03 | A single-hidden type aperture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320237614.2U CN203587929U (en) | 2013-05-03 | 2013-05-03 | A single-hidden type aperture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587929U true CN203587929U (en) | 2014-05-07 |
Family
ID=50585823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320237614.2U Expired - Lifetime CN203587929U (en) | 2013-05-03 | 2013-05-03 | A single-hidden type aperture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203587929U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133337A (en) * | 2013-05-03 | 2014-11-05 | 东莞市维斗电子有限公司 | Single invisible aperture |
| CN112558377A (en) * | 2020-12-24 | 2021-03-26 | 东莞市维斗科技股份有限公司 | Aperture and shutter |
-
2013
- 2013-05-03 CN CN201320237614.2U patent/CN203587929U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133337A (en) * | 2013-05-03 | 2014-11-05 | 东莞市维斗电子有限公司 | Single invisible aperture |
| CN104133337B (en) * | 2013-05-03 | 2017-06-06 | 东莞市维斗科技股份有限公司 | A kind of single implicit type aperture |
| CN112558377A (en) * | 2020-12-24 | 2021-03-26 | 东莞市维斗科技股份有限公司 | Aperture and shutter |
| CN112558377B (en) * | 2020-12-24 | 2024-05-17 | 东莞市维斗科技股份有限公司 | Aperture and shutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523000 Liaobu City, Dongguan Province town of the new lane road, No. 61 Patentee after: DONGGUAN VIDE TECHNOLOGY Co.,Ltd. Address before: 523000 Liaobu City, Dongguan Province town of the new lane road, No. 61 Patentee before: DONGGUAN VIDE MOTOR ELECTRONICS Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |