CN109375452B - Space-saving rotary shutter - Google Patents
Space-saving rotary shutter Download PDFInfo
- Publication number
- CN109375452B CN109375452B CN201811363356.6A CN201811363356A CN109375452B CN 109375452 B CN109375452 B CN 109375452B CN 201811363356 A CN201811363356 A CN 201811363356A CN 109375452 B CN109375452 B CN 109375452B
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- Prior art keywords
- blade
- shading
- driving
- light inlet
- shutter
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- 238000005192 partition Methods 0.000 claims description 10
- 230000002708 enhancing effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
- G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Shutters For Cameras (AREA)
Abstract
The invention discloses a space-saving rotary shutter, wherein more than two light shielding blades are arranged, more than two supporting shafts are correspondingly arranged on a shutter base, a driving rocking handle for driving the light shielding blades to rotate is arranged in a blade driving system, the driving rocking handle drives the light shielding blades to rotate by taking the supporting shafts as the center, light inlet holes of the shutter base are divided into more than two light inlet areas, and the number of the light inlet areas corresponds to that of the light shielding blades; when the shutter is closed, the shading blades respectively shade the corresponding light inlet areas; when the shutter is opened, the driving rocking handle drives the shading blades to rotate, and more than two shading blades are overlapped on the shutter base. The space-saving rotary shutter has a simple structure, the original one-piece type shading blades are changed into a plurality of pieces, the shading blades with smaller use areas can achieve the same shading effect, and the space reserved for the rotation of the shading blades is saved.
Description
Technical Field
The invention relates to the field of camera shutters of monitors, in particular to a space-saving rotary shutter.
Background
In order to shield the light inlet, the existing rotary shutter is provided with a shading blade corresponding to the size of the light inlet, and when the rotary shutter is opened, enough space is needed in the rotary shutter for the shading blade to rotate, so that the further reduction of the volume of the rotary shutter is limited, and the development of smaller image pickup equipment is not facilitated.
Disclosure of Invention
Aiming at the problem that a large space is required to be reserved for the rotation of the shading blades in the prior art, the invention provides the rotary shutter provided with the foldable shading blades, which can save the rotation space required by the shading blades and further save the space occupied by the rotary shutter.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a space-saving rotary shutter, including shutter base, the blade actuating system of setting in shutter base and shelter from shutter blade of shutter base's light inlet, be equipped with the supporting axle that supports shutter blade on the shutter base, shutter blade is equipped with more than two, the corresponding supporting axle that is provided with more than two on the shutter base, be equipped with the pivoted drive rocking handle of drive shutter blade in the blade actuating system, the drive rocking handle drive shutter blade rotates with the supporting axle as the center, shutter base's light inlet divide into more than two light inlet areas, the quantity of light inlet area corresponds with shutter blade's quantity; when the rotary shutter is closed, the shading blades respectively shade the corresponding light inlet areas; when the rotary shutter is opened, the driving rocking handle drives the shading blades to rotate, and more than two shading blades are overlapped on the shutter base.
The technical scheme adopted by the invention for solving the technical problems further comprises the following steps:
the light shielding blade is provided with a light shielding part for shielding a light inlet hole of the shutter base and a rotating arm which is embedded on the supporting shaft and rotates freely, and the rotating arm is provided with a rocking handle long hole for inserting the driving rocking handle.
The rotating arm of the shading blade is provided with a supporting shaft avoidance hole, and the supporting shaft avoidance hole is arranged on the edge of the rotating arm facing the supporting shaft, so that collision between the rotating arm of the shading blade and the supporting shaft during rotation can be avoided.
The edge of shutter base is equipped with the spacing flange of restriction shading blade rotation position, be equipped with the buffer position that opens the door on the edge of shading portion orientation spacing flange of shading blade, the buffer position that opens the door cooperates with spacing flange, when rotary shutter opens, the buffer position that opens the door is located spacing flange contact, be equipped with the buffer position that closes the door on the edge of the rotation arm orientation spacing flange of shading blade, the buffer position that closes the door cooperates with spacing flange, when rotary shutter closes, the buffer position that closes the door with spacing flange contact.
The edge of shutter base is equipped with the spacing flange of restriction shading blade rotation position, be equipped with the buffer position that opens the door on the edge of shading portion orientation spacing flange of shading blade, the buffer position that opens the door cooperates with spacing flange, when rotary shutter opens, the buffer position that opens the door is located spacing flange contact, be equipped with the buffer position that closes the door on the edge of the rotation arm orientation spacing flange of shading blade, the buffer position that closes the door cooperates with spacing flange, when rotary shutter closes, the buffer position that closes the door with spacing flange contact.
The rotary shutter is provided with a first driving rocking handle and a second driving rocking handle, the first driving rocking handle and the second driving rocking handle are arranged on the opposite positions of the shutter base around the light inlet hole, a first shading blade and a second shading blade are arranged on the upper side of the light inlet hole, the third shading blade and the fourth shading blade are arranged on the lower side of the light inlet hole in a central symmetry mode with the first shading blade and the second shading blade, the first driving rocking handle drives the first shading blade and the second shading blade to rotate, the second driving rocking handle drives the third shading blade and the fourth shading blade to rotate, and the light inlet hole is divided into a first light inlet hole area, a second light inlet hole area, a third light inlet hole area and a fourth light inlet hole area from top to bottom; when the rotary shutter is closed, the first shading part of the first shading blade is shaded in a first light inlet hole area, the second shading part of the second shading blade is shaded in a second light inlet hole area, the shading part of the third shading blade is shaded in a third light inlet hole area, and the shading part of the fourth shading blade is shaded in a fourth light inlet hole area; when the rotary shutter is opened, the first driving rocking handle drives the first shading blade and the second shading blade to rotate upwards, the first shading part and the second shading part of the first shading blade and the second shading blade are overlapped on the shutter base at the upper side of the light inlet, the second driving rocking handle drives the third shading blade and the fourth shading blade to rotate downwards, and the shading parts of the third shading blade and the fourth shading blade are overlapped on the shutter base at the lower side of the light inlet.
The blade driving system is provided with a first driving coil support and a second driving coil support, driving coils are respectively arranged on the first driving coil support and the second driving coil support, the first driving coil support and the second driving coil support can guide out magnetic force generated by the driving coils, one end of the first driving coil support is provided with a first cambered surface, the other end of the first driving coil support is provided with a second cambered surface, one end of the second driving coil support is provided with a third cambered surface, the other end of the second driving coil support is provided with a fourth cambered surface 6, the first driving coil support and the second driving coil support surround the light inlet hole and are arranged on the relative position of the shutter base, the radians of the first cambered surface, the second cambered surface, the third cambered surface and the fourth cambered surface are matched with the driving magnets of the blade driving system, the first cambered surface is fixedly arranged on the relative position of the fourth cambered surface, the first cambered surface and the fourth cambered surface are matched with each other to form a first magnet installation position, the second cambered surface is fixedly arranged on the relative position of the third cambered surface, the second cambered surface and the third cambered surface are matched with each other to form a second cambered surface, the second cambered surface is arranged on the first rocking handle, the first driving blade is arranged in the first rocking handle, the second driving blade is arranged in the first rocking handle, and the first driving blade is arranged in the first rocking handle.
The edges of the first cambered surface, the second cambered surface, the third cambered surface and the fourth cambered surface are respectively provided with a magnetic force enhancing boss for increasing the effective magnetic induction area of the cambered surface.
The coil mounting section is provided with a first limiting block and a second limiting block which are separately arranged on the coil mounting section, the driving coil is arranged between the first limiting block and the second limiting block, a wire rod of the driving coil is wound to be tightly attached to the coil mounting section, and the second driving coil support and the first driving coil are arranged in a central symmetry mode.
The beneficial effects of the invention are as follows: the space-saving rotary shutter has a simple structure, the original one-piece type shading blades are changed into a plurality of pieces, the shading blades with smaller use areas can achieve the same shading effect, and the space reserved for the rotation of the shading blades is saved; when the rotary shutter is opened, a plurality of shading blades can be closed and stacked on one side of the shutter base; when the shutter is closed, the shading blades are driven by the blade driving system to rotate to the corresponding shading areas, and the shading blades are matched to completely shade the light inlet holes; in addition, the blade driving system with the double driving rockers is further arranged, the shading blade which can be opened only to one side originally can be divided into two parts, and the shading blade can be opened to two sides respectively, so that the volume of the rotary shutter is effectively further reduced, and the space is saved.
The invention will be further described with reference to the drawings and detailed description.
Drawings
FIG. 1 is a schematic diagram of an exploded view of a space-saving rotary shutter embodiment of the present invention;
FIG. 2 is a schematic plan view of a first shutter blade in a space-saving rotary shutter embodiment of the present invention;
FIG. 3 is a schematic plan view of a second shutter blade in a space-saving rotary shutter embodiment of the present invention;
fig. 4 is a schematic plan view of a rotary shutter according to an embodiment of the present invention, in which a first tamper barrier is omitted;
Fig. 5 is a schematic plan view of a rotary shutter according to an embodiment of the present invention, in which a first anti-interference partition is omitted;
fig. 6 is a schematic perspective view of a first winding bracket of a rotary shutter according to an embodiment of the present invention;
Fig. 7 is a schematic perspective view of a blade driving system in a space-saving rotary shutter embodiment of the present invention.
Detailed Description
This example is a preferred embodiment of the present invention, and other principles and basic structures are the same as or similar to those of this example, and all fall within the scope of the present invention.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
An embodiment of a space-saving rotary shutter according to the present invention is shown with reference to fig. 1-7, comprising a shutter base 3, a blade drive system 2 arranged in the shutter base 3, and a light-shielding blade 1 shielding a light entrance aperture 35 of the shutter base 3. The shutter base 3 has a shutter light inlet hole 35 in the middle, a mounting position for mounting the blade driving system 2 around the light inlet hole 35, and a support shaft for supporting the light shielding blade 1.
The shading blades 1 are arranged on the blade driving system 2, and four shading blades are arranged on the blade driving system, namely a first shading blade 11, a second shading blade 12, a third shading blade 13 and a fourth shading blade 14; the shutter base 3 is provided with a first support shaft 31, a second support shaft 32, a third support shaft 33, and a fourth support shaft 34. The four shading blades are divided into two groups according to different connected driving rockers, the first shading blade 11 and the second shading blade 12 driven by the first driving rocking handle 25a are arranged on the upper side of the light inlet hole 35, and are embedded on the corresponding first supporting shaft 31 and second supporting shaft 32; the third light shielding blade 13 and the fourth light shielding blade 14 driven by the second driving crank 25b are disposed at the lower side of the light inlet hole 35, and are fitted on the corresponding third support shaft 33 and fourth support shaft 34. The first light shielding blade 11 is provided with a first light shielding portion 111 for shielding the light entrance hole 35 of the shutter base 3, and a first rotating arm 112 rotatably fitted to the first support shaft 31, and the first rotating arm 112 is provided with a first rocking handle long hole 1121 into which the first driving rocking handle 25a is inserted. In order to avoid collision with the second support shaft 32 when the first rotating arm 112 rotates, a first clearance space 1123 for avoiding the second support shaft 32 is provided on the edge of the first rotating arm 112 facing the second support shaft 32. Because the shading blade rotates under the drive of the rocking handle, the condition that the rotation amplitude is overlarge easily appears, and the edge of the shutter base 3 is provided with a limit flange for limiting the rotation position of the shading blade 1, however, the shading blade 1 is easy to deform with the limit flange for a long time, and therefore, the edge of the shading blade 1 is provided with a corresponding buffer position. Referring to fig. 2, the edge of the first light shielding portion 111 of the first light shielding blade 11 facing the limiting flange is provided with a door opening buffer position 1111 matched with the limiting flange, and when the rotary shutter is opened, the door opening buffer position 1111 contacts with the limiting flange, and the shape matched with the limiting flange can play a role of buffering. The edge of the first rotating arm 112 of the first light shielding blade 11 facing the limit flange is also provided with a corresponding door closing buffer position 1122, the door closing buffer position 1122 is matched with the limit flange in shape, and when the rotary shutter is closed, the door closing buffer position 1122 is contacted with the limit flange. The fourth light shielding blade 14 provided at the opposite position of the first light shielding blade 11 has the same shape as the first light shielding blade 11 and is center-symmetrical to the first light shielding blade 11. The second light shielding blade 12 is provided with a second light shielding portion 121 for shielding the light inlet hole 35 of the shutter base 3, and a second rotating arm 122 fitted on the support shaft to rotate freely, and the second rotating arm 122 is provided with a second rocking handle long hole 1221 for inserting the first driving rocking handle 25 a. In order to avoid collision with the first support shaft 31 when the second rotating arm 122 rotates, a second avoidance hole 1223 that is used for avoiding the first support shaft 31 is formed on the edge of the second rotating arm 122 facing the first support shaft 31. Also, in order to avoid the collision and excessive deformation of the light shielding blade and the limiting flange, referring to fig. 3, an edge of the second light shielding portion 121 of the second light shielding blade 12 facing the limiting flange is provided with a door opening buffer position 1211 matched with the shape limiting flange, and an edge of the second rotating arm 122 facing the limiting flange is also provided with a corresponding door closing buffer position 1222. The third light shielding blades 13 provided at the opposite positions of the second light shielding blades 12 have the same shape as the second light shielding blades 12 and are center-symmetrical to the second light shielding blades 12.
Referring to fig. 4, the light entrance hole 35 is divided into a first light entrance hole region 35a, a second light entrance hole region 35b, a third light entrance hole region 35c, and a fourth light entrance hole region 35d from top to bottom; when the rotary shutter is closed, the first light shielding part 111 of the first light shielding blade 11 is shielded in a first light inlet hole area 35a, the second light shielding part 121 of the second light shielding blade 12 is shielded in a second light inlet hole area 35b, the light shielding part of the third light shielding blade 13 is shielded in a third light inlet hole area 35c, and the light shielding part of the fourth light shielding blade 14 is shielded in a fourth light inlet hole area 35d; when the rotary shutter is opened, the first driving rocking handle 25a drives the first light shielding blade 11 and the second light shielding blade 12 to rotate upwards, the first light shielding part 111 and the second light shielding part 121 of the first light shielding blade 11 and the second light shielding blade 12 are overlapped on the shutter base 3 at the upper side of the light inlet hole 35, the second driving rocking handle 25b drives the third light shielding blade 13 and the fourth light shielding blade 14 to rotate downwards, and the light shielding parts of the third light shielding blade 13 and the fourth light shielding blade 14 are overlapped on the shutter base 3 at the lower side of the light inlet hole 35.
In order to avoid mutual interference between the plurality of shading blades and between the shading blades 1 and the blade driving system 2 during rotation and influence the action of the rotary shutter, the rotary shutter is also provided with an anti-interference baffle. The shape of the anti-interference partition plate is matched with the shutter base 3, the middle part is provided with a clearance through hole matched with the light inlet hole 35, the positions corresponding to the driving rocking handles and the supporting shafts are also provided with corresponding through holes, the number of the anti-interference partition plates corresponds to that of the driving rocking handles, and the shading blades 1 driven by the same driving rocking handles are arranged on the same layer of anti-interference partition plate. Referring to fig. 1, the rotary shutter of the present embodiment is provided with a first tamper barrier 6 and a second tamper barrier 7, the first tamper barrier 6 being disposed between a second light shielding blade 12 and a third light shielding blade 13, the second tamper barrier 7 being disposed between a fourth light shielding blade 14 and the blade driving system 2, the parts of the rotary shutter being prevented from interfering with each other.
The blade driving system 2 is shown in fig. 1, 6 and 7, and is disposed below the second anti-interference partition 7, and includes a first driving coil bracket 21a and a second driving coil bracket 21b in the installation position of the shutter base 3, the two driving coil brackets having the same shape, and the second driving coil bracket 21b and the first driving coil bracket 21a being disposed in central symmetry. The first driving coil support 21a is provided with a coil mounting section 211 and a magnetic conduction section 212 as shown in fig. 6, a first stopper 241 and a second stopper 242 separately provided on the coil mounting section 211 are provided on the coil mounting section 211, a driving coil 22 is mounted between the first stopper 241 and the second stopper 242, and a wire material wound around the driving coil 22 is closely attached to the coil mounting section 211. The first driving coil support 21a guides the magnetic force generated by the driving coil 22 to a first arc surface 213 provided at one end of the first driving coil support 21a through the magnetic conductive section 212, and a second arc surface 214 is provided at the other end of the first driving coil support 21 a. Similarly, the second driving coil support 21b is provided with a third arc surface 215 at one end and a fourth arc surface 216 at the other end. The first driving coil support 21a and the second driving coil support 21b are arranged in opposite mounting positions of the shutter base 3 around the light inlet hole 35, radians of the first arc surface 213, the second arc surface 214, the third arc surface 215 and the fourth arc surface 216 are matched with shapes of driving magnets of the blade driving system 2, the first arc surface 213 is fixedly mounted to the opposite positions of the fourth arc surface 216, the first arc surface 213 and the fourth arc surface 216 are matched to form a first magnet mounting position, the second arc surface 214 is fixedly mounted to the opposite positions of the third arc surface 215, the second arc surface 214 and the third arc surface 215 are matched to form a second magnet mounting position, a first blade driving magnet 23a is mounted in the first magnet mounting position, a second blade driving magnet 23b is mounted in the second magnet mounting position, and the second driving rocking handle 25b is mounted in the second blade driving magnet 23 b. In order to increase the effective magnetic induction area of the cambered surfaces, magnetic force enhancing bosses for increasing the effective magnetic induction area of the cambered surfaces are respectively arranged on the ends of the driving coil brackets provided with the first cambered surface 213, the second cambered surface 214, the third cambered surface 215 and the fourth cambered surface 216. Referring to fig. 6, the end provided with the first arc surface 213 is provided with a first magnetic force enhancing boss 217, and the end provided with the second arc surface 214 is provided with a second magnetic force enhancing boss 218.
The space-saving rotary shutter has a simple structure, the original one-piece type shading blades are changed into a plurality of pieces, the shading blades with smaller use areas can achieve the same shading effect, and the space reserved for the rotation of the shading blades is saved; when the rotary shutter is opened, a plurality of shading blades can be closed and stacked on one side of the shutter base; when the shutter is closed, the shading blades are driven by the blade driving system to rotate to the corresponding shading areas, and the shading blades are matched to completely shade the light inlet holes; in addition, the blade driving system with the double driving rockers is further arranged, the shading blade which can be opened only to one side originally can be divided into two parts, and the shading blade can be opened to two sides respectively, so that the volume of the rotary shutter is effectively further reduced, and the space is saved.
Claims (8)
1. The utility model provides a space-saving rotary shutter, includes shutter base (3), sets up blade actuating system (2) in shutter base (3) and shelter from shutter blade (1) of light inlet (35) of shutter base (3), be equipped with the support on shutter base (3) the supporting axle of shutter blade (1), its characterized in that: the light shielding blades (1) are provided with more than two supporting shafts, more than two supporting shafts are correspondingly arranged on the shutter base (3), the blade driving system (2) is provided with driving rocking handles for driving the light shielding blades (1) to rotate, the driving rocking handles drive the light shielding blades (1) to rotate by taking the supporting shafts as the centers, light inlet holes (35) of the shutter base (3) are divided into more than two light inlet areas, and the number of the light inlet areas corresponds to that of the light shielding blades (1); when the rotary shutter is closed, the shading blades (1) respectively shade the corresponding light inlet areas; when the rotary shutter is opened, the driving rocking handle drives the shading blades (1) to rotate, and more than two shading blades (1) are overlapped on the shutter base (3);
The rotary shutter is provided with a first driving rocking handle (25 a) and a second driving rocking handle (25 b), the first driving rocking handle (25 a) and the second driving rocking handle (25 b) are arranged on the opposite positions of the shutter base (3) around the light inlet hole (35), a first shading blade (11) and a second shading blade (12) are arranged on the upper side of the light inlet hole (35), the third shading blade (13) and the fourth shading blade (14) are arranged on the lower side of the light inlet hole (35) in a central symmetry manner with the first shading blade (11) and the second shading blade (12), the first driving rocking handle (25 a) drives the first shading blade (11) and the second shading blade (12) to rotate, the second driving rocking handle (25 b) drives the third shading blade (13) and the fourth shading blade (14) to rotate, and the light inlet hole (35) is divided into a light inlet hole first area (35 a), a light inlet hole second area (35 b), a light inlet hole third light inlet area (35 c) and a fourth light inlet area (35 d) from top to bottom; when the rotary shutter is closed, a first shading part (111) of the first shading blade (11) is shaded in a first light inlet hole area (35 a), a second shading part (121) of the second shading blade (12) is shaded in a second light inlet hole area (35 b), a shading part of the third shading blade (13) is shaded in a third light inlet hole area (35 c), and a shading part of the fourth shading blade (14) is shaded in a fourth light inlet hole area (35 d); when the rotary shutter is opened, the first driving rocking handle (25 a) drives the first shading blade (11) and the second shading blade (12) to rotate upwards, the first shading part (111) and the second shading part (121) of the first shading blade (11) and the second shading blade (12) are overlapped on the shutter base (3) at the upper side of the light inlet hole (35), the second driving rocking handle (25 b) drives the third shading blade (13) and the fourth shading blade (14) to rotate downwards, and the shading parts of the third shading blade (13) and the fourth shading blade (14) are overlapped on the shutter base (3) at the lower side of the light inlet hole (35).
2. The rotary shutter according to claim 1, wherein the light shielding blade (1) is provided with a light shielding portion for shielding a light inlet (35) of the shutter base (3), and a rotating arm fitted on the support shaft and freely rotated, and the rotating arm is provided with a crank long hole for inserting the driving crank.
3. The rotary shutter according to claim 2, wherein the rotating arm of the light shielding blade (1) is provided with a supporting shaft avoidance space, and the supporting shaft avoidance space is provided on an edge of the rotating arm facing the supporting shaft, so that collision with the supporting shaft during rotation of the rotating arm of the light shielding blade (1) can be avoided.
4. The rotary shutter according to claim 2, wherein a limit flange for limiting the rotation position of the light shielding blade is provided at the edge of the shutter base (3), a door opening buffer position (1111) is provided at the edge of the light shielding portion (111) of the light shielding blade (1) facing the limit flange, the door opening buffer position (1111) is matched with the limit flange, when the rotary shutter is opened, the door opening buffer position (1111) is contacted with the limit flange, a door closing buffer position (1122) is provided at the edge of the rotating arm (112) of the light shielding blade (1) facing the limit flange, the door closing buffer position (1122) is matched with the limit flange, and when the rotary shutter is closed, the door closing buffer position (1122) is contacted with the limit flange.
5. The rotary shutter according to claim 1, wherein an anti-interference partition plate is further arranged in the rotary shutter, the shape of the anti-interference partition plate is matched with that of the shutter base (3), a clearance through hole matched with the light inlet hole (35) is formed in the middle of the anti-interference partition plate, the number of the anti-interference partition plates corresponds to that of the driving rocking handles, and the shading blades (1) driven by the same driving rocking handle are arranged on the same layer of anti-interference partition plate.
6. The rotary shutter according to claim 1, wherein the blade driving system (2) is provided with a first driving coil support (21 a) and a second driving coil support (21 b), driving coils are respectively arranged on the first driving coil support (21 a) and the second driving coil support (21 b), the first driving coil support (21 a) and the second driving coil support (21 b) can guide out magnetic force generated by the driving coils, one end of the first driving coil support (21 a) is provided with a first cambered surface (213), the other end of the first driving coil support (21 a) is provided with a second cambered surface (214), one end of the second driving coil support (21 b) is provided with a third cambered surface (215), the other end of the second driving coil support (21 b) is provided with a fourth cambered surface (216), the first driving coil support (21 a) and the second driving coil support (21 b) are arranged at opposite positions of the shutter base around the light inlet hole (35), the first cambered surface (213), the second cambered surface (214), the third cambered surface (215) and the fourth cambered surface (216) are matched with the first cambered surface (216) to form a fixed cambered surface (213) and the first cambered surface (216), the second cambered surface (214) is fixedly arranged at the relative position of the third cambered surface (215), the second cambered surface (214) and the third cambered surface (215) are matched to form a second magnet installation position, a first blade driving magnet (23 a) is arranged in the first magnet installation position, a first driving rocking handle (25 a) is arranged in the first blade driving magnet (23 a), a second blade driving magnet (23 b) is arranged in the second magnet installation position, and a second driving rocking handle (25 b) is arranged in the second blade driving magnet (23 b).
7. The rotary shutter according to claim 6, wherein magnetic force enhancing bosses for increasing the effective magnetic induction area of the arc surfaces are provided on the ends of the driving coil brackets provided with the first arc surface (213), the second arc surface (214), the third arc surface (215) and the fourth arc surface (216), respectively.
8. The rotary shutter according to claim 6, wherein the first driving coil support (21 a) is provided with a coil mounting section (211) and a magnetic conduction section (212), the coil mounting section (211) is provided with a first limiting block (241) and a second limiting block (242) which are separately arranged on the coil mounting section (211), the driving coil is arranged between the first limiting block (241) and the second limiting block (242), a wire material wound around the driving coil (22) is tightly attached to the coil mounting section (211), and the second driving coil support (21 b) and the first driving coil support (21 a) are arranged in a central symmetry manner.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410529438.2A CN118466090A (en) | 2018-11-16 | 2018-11-16 | Rotary shutter |
| CN201811363356.6A CN109375452B (en) | 2018-11-16 | 2018-11-16 | Space-saving rotary shutter |
| CN202410530874.1A CN118502178A (en) | 2018-11-16 | 2018-11-16 | Rotary shutter with reliable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811363356.6A CN109375452B (en) | 2018-11-16 | 2018-11-16 | Space-saving rotary shutter |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410529438.2A Division CN118466090A (en) | 2018-11-16 | 2018-11-16 | Rotary shutter |
| CN202410530874.1A Division CN118502178A (en) | 2018-11-16 | 2018-11-16 | Rotary shutter with reliable structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109375452A CN109375452A (en) | 2019-02-22 |
| CN109375452B true CN109375452B (en) | 2024-05-28 |
Family
ID=65388974
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410530874.1A Pending CN118502178A (en) | 2018-11-16 | 2018-11-16 | Rotary shutter with reliable structure |
| CN202410529438.2A Pending CN118466090A (en) | 2018-11-16 | 2018-11-16 | Rotary shutter |
| CN201811363356.6A Active CN109375452B (en) | 2018-11-16 | 2018-11-16 | Space-saving rotary shutter |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410530874.1A Pending CN118502178A (en) | 2018-11-16 | 2018-11-16 | Rotary shutter with reliable structure |
| CN202410529438.2A Pending CN118466090A (en) | 2018-11-16 | 2018-11-16 | Rotary shutter |
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| Country | Link |
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| CN (3) | CN118502178A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081985B (en) * | 2019-06-17 | 2024-05-24 | 浙江水晶光电科技股份有限公司 | Shading device and infrared detection device |
| WO2022141089A1 (en) * | 2020-12-29 | 2022-07-07 | 深圳市大疆创新科技有限公司 | Shutter apparatus and synchronization method and control method therefor, and photographing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101520589A (en) * | 2008-02-29 | 2009-09-02 | 微太科技股份有限公司 | Shutter device |
| CN201340504Y (en) * | 2008-12-23 | 2009-11-04 | 台睿科技股份有限公司 | Small diaphragm shutter driving device |
| CN101957537A (en) * | 2009-07-20 | 2011-01-26 | 三星电子株式会社 | Lens barrier device |
| TW201248308A (en) * | 2011-05-27 | 2012-12-01 | Asia Optical Co Inc | Dustproof shutter apparatus of lens |
| CN103472657A (en) * | 2012-06-05 | 2013-12-25 | 三星电子株式会社 | Zoom lens barrel assembly and photographing apparatus including the same |
| CN209765234U (en) * | 2018-11-16 | 2019-12-10 | 深圳柏瑞光电技术有限公司 | Space-saving rotary shutter |
-
2018
- 2018-11-16 CN CN202410530874.1A patent/CN118502178A/en active Pending
- 2018-11-16 CN CN202410529438.2A patent/CN118466090A/en active Pending
- 2018-11-16 CN CN201811363356.6A patent/CN109375452B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101520589A (en) * | 2008-02-29 | 2009-09-02 | 微太科技股份有限公司 | Shutter device |
| CN201340504Y (en) * | 2008-12-23 | 2009-11-04 | 台睿科技股份有限公司 | Small diaphragm shutter driving device |
| CN101957537A (en) * | 2009-07-20 | 2011-01-26 | 三星电子株式会社 | Lens barrier device |
| TW201248308A (en) * | 2011-05-27 | 2012-12-01 | Asia Optical Co Inc | Dustproof shutter apparatus of lens |
| CN103472657A (en) * | 2012-06-05 | 2013-12-25 | 三星电子株式会社 | Zoom lens barrel assembly and photographing apparatus including the same |
| CN209765234U (en) * | 2018-11-16 | 2019-12-10 | 深圳柏瑞光电技术有限公司 | Space-saving rotary shutter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118502178A (en) | 2024-08-16 |
| CN118466090A (en) | 2024-08-09 |
| CN109375452A (en) | 2019-02-22 |
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