CN209765234U - Space-saving rotary shutter - Google Patents
Space-saving rotary shutter Download PDFInfo
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- CN209765234U CN209765234U CN201821886596.XU CN201821886596U CN209765234U CN 209765234 U CN209765234 U CN 209765234U CN 201821886596 U CN201821886596 U CN 201821886596U CN 209765234 U CN209765234 U CN 209765234U
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- blade
- shading
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- shutter
- driving
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Abstract
the utility model discloses a space-saving rotary shutter, shading blade are equipped with more than two, the corresponding more than two supporting shafts that are provided with on the shutter base, be equipped with the drive rocking handle that drives shading blade and rotate in the blade actuating system, the drive rocking handle drive the shading blade rotates with supporting shaft as the center, the light inlet hole of shutter base divides into the light zone of advancing more than two, the quantity in light zone and the quantity of shading blade correspond; 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 utility model discloses a rotary shutter who saves space simple structure changes the shading blade of original one-piece formula into the multi-disc, and the less shading blade of usable floor area can reach the same effect of sheltering from, has saved and has reserved for shading blade pivoted space.
Description
Technical Field
The invention relates to the field of camera shutters, in particular to a space-saving rotary shutter.
Background
The existing rotary shutter is provided with light shielding blades with the same size as the light inlet hole in order to shield the light inlet hole, when the rotary shutter is opened, enough space in the rotary shutter is needed for the rotation of the light shielding blades, so that the further reduction of the volume of the rotary shutter is limited, and the development of smaller camera equipment is not facilitated.
Disclosure of Invention
Aiming at the problem that the rotary shutter in the prior art needs to leave a large space for the rotation of the shading blades, the invention provides the rotary shutter with the foldable shading blades, which can save the rotation space needed by the shading blades and further save the space occupied by the rotary shutter.
The technical scheme adopted by the invention for solving the technical problems is as follows: the shutter base is provided with a supporting shaft for supporting the shading blade, the shading blade is provided with more than two pieces, the shutter base is correspondingly provided with more than two supporting shafts, the blade driving system is internally provided with a driving rocking handle for driving the shading blade to rotate, the driving rocking handle drives the shading blade to rotate by taking the supporting shaft as a center, the light inlet hole of the shutter base is divided into more than two light inlet areas, and the number of the light inlet areas corresponds to the number of the shading 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 technical scheme adopted by the invention for solving the technical problem further comprises the following steps:
the shading blade is provided with a shading part for shading the light inlet hole of the shutter base and a rotating arm which is embedded on the supporting shaft and can rotate freely, and the rotating arm is provided with a rocking handle long hole in which the driving rocking handle is inserted.
The rotating arm of the shading blade is provided with a supporting shaft clearance which is arranged on the edge of the rotating arm facing the supporting shaft, so that the rotating arm of the shading blade can be prevented from colliding with the supporting shaft when rotating.
the edge of shutter-type base is equipped with the spacing flange of restriction shading blade pivoted position, be equipped with the buffer position that opens the door on the shading portion of shading blade towards the edge of spacing flange, the buffer position that opens the door cooperates with spacing flange, when rotary shutter opened, the buffer position that opens the door is located spacing flange contact, the rotor arm of shading blade is equipped with the buffer position that closes the door on the edge of spacing flange, close door buffer position and spacing flange cooperation, when rotary shutter closed, close the door buffer position with spacing flange contact.
The rotary shutter is characterized in that an anti-interference partition plate is further arranged in the rotary shutter, the shape of the anti-interference partition plate is matched with the shutter base, a clearance through hole matched with the light inlet hole 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 shading blades driven by the same driving rocking handle are arranged on the same anti-interference partition plate.
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 opposite positions of the shutter base around the light inlet, a first shading blade and a second shading blade are arranged on the upper side of the light inlet, a third shading blade and a fourth shading blade are arranged on the lower side of the light inlet, the third shading blade and the fourth shading blade are arranged in a central symmetry manner 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 is divided into a first light inlet area, a second light inlet area, a light inlet hole and a fourth light inlet 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 area, the second shading part of the second shading blade is shaded in a second light inlet area, the shading part of the third shading blade is shaded in a third light inlet area, and the shading part of the fourth shading blade is shaded in a fourth light inlet 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 on the upper side of the light inlet hole, 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 on the lower side of the light inlet hole.
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 lead out magnetic force generated by the driving coils, a first cambered surface is arranged at one end of the first driving coil support, a second cambered surface is arranged at the other end of the first driving coil support, a third cambered surface is arranged at one end of the second driving coil support, a fourth cambered surface 6 is arranged at the other end of the second driving coil support, the first driving coil support and the second driving coil support are arranged at the relative positions of the shutter base around the light inlet hole, the radians of the first cambered surface, the second cambered surface, the third cambered surface and the fourth cambered surface are matched with driving magnets of the blade driving system, and the first cambered surface is fixedly arranged at the relative position of the fourth cambered surface, first cambered surface and fourth cambered surface cooperation form first magnetite installation position, and second cambered surface fixed mounting forms the relative position of second magnetite installation position to the third cambered surface, and second cambered surface and third cambered surface cooperation form second magnetite installation position, install first blade drive magnetite in the first magnetite installation position, first drive rocking handle is installed in first blade drive magnetite, install second blade drive magnetite in the second magnetite installation position, second drive rocking handle is installed in second blade drive magnetite.
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 enhancement boss for increasing the effective magnetic induction area of the cambered surfaces.
The coil mounting section is provided with a first limiting block and a second limiting block which are arranged on the coil mounting section in a separated mode, the driving coil is mounted between the first limiting block and the second limiting block, a wire material for winding the driving coil is tightly attached to the coil mounting section, and the second driving coil support and the first driving coil support are arranged in a central symmetry mode.
The invention has the beneficial effects that: the space-saving rotary shutter has a simple structure, changes the original one-piece shading blade into a plurality of pieces, can achieve the same shading effect by using the shading blade with smaller area, and saves the space reserved for the rotation of the shading blade; when the rotary shutter is opened, a plurality of shading blades can be closed and stacked to 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 area, and the shading blades are matched to completely shade the light inlet; in addition, a blade driving system with double driving rocking bars is further arranged, the shading blade which can only be opened to one side originally can be divided into two parts which are respectively opened to two sides, the size of the rotary shutter is effectively further reduced, and the space is saved.
The invention will be further described with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is an exploded schematic view of an embodiment of a space saving rotary shutter according to the present invention;
FIG. 2 is a schematic plan view of a first shutter blade in an embodiment of the space-saving rotary shutter according to the present invention;
FIG. 3 is a schematic plan view of a second light-shielding blade in an embodiment of the space-saving rotary shutter according to the present invention;
FIG. 4 is a schematic plan view of the rotary shutter according to the embodiment of the present invention in an open state, in which the first interference preventing partition is omitted;
FIG. 5 is a schematic plan view of a rotary shutter according to an embodiment of the present invention in a closed state, in which a first interference preventing partition is omitted;
FIG. 6 is a perspective view of a first winding frame of a rotary shutter according to an embodiment of the present invention;
FIG. 7 is a perspective view of a blade drive system in an embodiment of the space saving rotary shutter of the present invention.
Detailed Description
The present embodiment is a preferred embodiment of the present invention, and other principles and basic structures that are the same as or similar to the present embodiment are 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 used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
An embodiment of a space-saving rotary shutter according to the present invention is shown with reference to fig. 1 to 7, and includes a shutter base 3, a blade driving system 2 provided in the shutter base 3, and a light blocking blade 1 blocking a light inlet hole 35 of the shutter base 3. The shutter base 3 is provided with a light inlet hole 35 of the shutter in the middle, a mounting position for mounting the blade driving system 2 is arranged around the light inlet hole 35, and a supporting shaft for supporting the shading blade 1 is also arranged.
The shading blade 1 is arranged on the blade driving system 2, and is provided with four shading blades, 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, respectively. The four shading blades are divided into two groups according to different connected driving rocking bars, and a first shading blade 11 and a second shading blade 12 driven by a 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 the second supporting shaft 32; the third light shielding blade 13 and the fourth light shielding blade 14 driven by the second driving rocker 25b are disposed below the light entrance hole 35 so as to face each other, and are fitted to the corresponding third support shaft 33 and fourth support shaft 34. The first light shielding blade 11 includes a first light shielding portion 111 for shielding the light inlet hole 35 of the shutter base 3, and a first rotary arm 112 rotatably fitted to the first support shaft 31, and the first rotary arm 112 includes a first handle long hole 1121 for inserting the first driving handle 25 a. In order to avoid collision with the second support shaft 32 when the first rotation arm 112 rotates, a first clearance 1123 for avoiding the second support shaft 32 is provided on an edge of the first rotation arm 112 facing the second support shaft 32. Because the shading blade rotates under the drive of the driving rocking handle, the condition of overlarge rotation amplitude is easy to occur, the edge of the shutter base 3 is provided with a limiting protruding edge for limiting the rotation position of the shading blade 1, however, the shading blade 1 and the limiting protruding edge are easy to deform 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 1111 that is engaged with the limiting flange, and when the rotary shutter is opened, the door-opening buffer 1111 contacts with the limiting flange, and the shape engaged with the limiting flange can play a role of buffering. The edge of the first rotation arm 112 of the first shade 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, which is disposed at a position opposite to the first light-shielding blade 11, has the same shape as the first light-shielding blade 11 and is centrosymmetric to the first light-shielding blade 11. The second light blocking blade 12 is provided with a second light blocking portion 121 for blocking the light inlet hole 35 of the shutter base 3, and a second rotary arm 122 fitted to the support shaft to be rotatable, and the second rotary arm 122 is provided with a second crank elongated hole 1221 into which the first drive crank 25a is inserted. In order to avoid collision with the first supporting shaft 31 when the second rotating arm 122 rotates, a second clearance 1223 for avoiding the first supporting shaft 31 is provided on the edge of the second rotating arm 122 facing the first supporting shaft 31. Similarly, in order to avoid the too violent deformation of the light shielding blade and the position-limiting flange due to collision, referring to fig. 3, the edge of the second light shielding portion 121 of the second light shielding blade 12 facing the position-limiting flange is provided with a door opening buffer 1211 matching with the shape-limiting flange, and the edge of the second rotating arm 122 facing the position-limiting flange is also provided with a corresponding door closing buffer 1222. The third light-shielding blade 13, which is disposed at a position opposite to the second light-shielding blade 12, has the same shape as the second light-shielding blade 12, and is centrosymmetric to the second light-shielding blade 12.
Referring to fig. 5, the light inlet 35 is divided into a first light inlet area 35a, a second light inlet area 35b, a third light inlet area 35c and a fourth light inlet area 35d from top to bottom; when the rotary shutter is closed, the first light-shielding part 111 of the first light-shielding blade 11 shields the first light-entering hole area 35a, the second light-shielding part 121 of the second light-shielding blade 12 shields the second light-entering hole area 35b, the light-shielding part of the third light-shielding blade 13 shields the third light-entering hole area 35c, and the light-shielding part of the fourth light-shielding blade 14 shields the fourth light-entering hole area 35 d; when the rotary shutter is opened, the first driving crank 25a drives the first and second light shielding blades 11 and 12 to rotate upward, the first and second light shielding portions 111 and 121 of the first and second light shielding blades 11 and 12 are overlapped on the shutter base 3 on the upper side of the light inlet hole 35, the second driving crank 25b drives the third and fourth light shielding blades 13 and 14 to rotate downward, and the light shielding portions of the third and fourth light shielding blades 13 and 14 are overlapped on the shutter base 3 on the lower side of the light inlet hole 35.
In order to avoid mutual interference between the plurality of light shielding blades and between the light shielding 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 partition plate. The shape of the anti-interference partition plate is matched with 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, corresponding through holes are further formed in positions corresponding to the driving rocking handle and the supporting shaft, 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. Referring to fig. 1, the rotary shutter of the present embodiment is provided with a first interference preventing barrier 6 and a second interference preventing barrier 7, the first interference preventing barrier 6 is disposed between a second light shielding blade 12 and a third light shielding blade 13, and the second interference preventing barrier 7 is disposed between a fourth light shielding blade 14 and a blade driving system 2, to prevent parts of the rotary shutter from interfering with each other.
The blade driving system 2, as shown in fig. 1, 6 and 7, is disposed below the second interference preventing partition 7 and in the mounting position of the shutter base 3, and includes a first driving coil bracket 21a and a second driving coil bracket 21b, which have the same shape, and the second driving coil bracket 21b and the first driving coil 21a are disposed in a central symmetry. As shown in fig. 6, the first driving coil bracket 21a includes a coil mounting section 211 and a magnetic conductive section 212, the coil mounting section 211 includes a first stopper 241 and a second stopper 242 separately provided on the coil mounting section 211, the driving coil 22 is mounted between the first stopper 241 and the second stopper 242, and a wire material for winding the driving coil 22 is closely attached to the coil mounting section 211. The first drive coil bracket 21a guides the magnetic force generated by the drive coil 22 to a first arc surface 213 provided at one end of the first drive coil bracket 21a through a magnetic conduction section 212, and the other end of the first drive coil bracket 21a is provided with a second arc surface 214. Similarly, the second drive coil bracket 21b has a third curved surface 215 at one end and a fourth curved surface 216 at the other end. The first driving coil bracket 21a and the second driving coil bracket 21b are disposed in opposite mounting positions of the shutter base 3 around the light entrance hole 35, the radian of the first cambered surface 213, the second cambered surface 214, the third cambered surface 215 and the fourth cambered surface 216 is matched with the shape of the driving magnet of the blade driving system 2, the first cambered surface 213 is fixedly installed at the relative position of the fourth cambered surface 216, the first cambered surface 213 and the fourth cambered surface 216 are matched to form a first magnet installation position, the second cambered surface 214 is fixedly installed 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, the first blade driving magnet 23a is installed in the first magnet installation position, the first driving rocking handle 25a is installed in the first blade driving magnet 23a, a second blade driving magnet 23b is attached to the second magnet attachment site, and a second driving rocker 25b is attached to the second blade driving magnet 23 b. In order to increase the effective magnetic induction area of the arc surface, magnetic force enhancing bosses for increasing the effective magnetic induction area of the arc surface are respectively arranged on the end parts of the drive 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. Referring to fig. 6, the end portion having the first arc surface 213 is provided with a first magnetic force reinforcing protrusion 217, and the end portion having the second arc surface 214 is provided with a second magnetic force reinforcing protrusion 218.
The space-saving rotary shutter has a simple structure, changes the original one-piece shading blade into a plurality of pieces, can achieve the same shading effect by using the shading blade with smaller area, and saves the space reserved for the rotation of the shading blade; when the rotary shutter is opened, a plurality of shading blades can be closed and stacked to 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 area, and the shading blades are matched to completely shade the light inlet; in addition, a blade driving system with double driving rocking bars is further arranged, the shading blade which can only be opened to one side originally can be divided into two parts which are respectively opened to two sides, the size of the rotary shutter is effectively further reduced, and the space is saved.
Claims (9)
1. A space-saving rotary shutter comprising a shutter base (3), a blade drive system (2) provided in the shutter base (3), and a light blocking blade (1) for blocking a light inlet hole (35) of the shutter base (3), the shutter base (3) being provided with a support shaft for supporting the light blocking blade (1), characterized in that: the shutter driving system is characterized in that more than two light shielding blades (1) are arranged, more than two supporting shafts are correspondingly arranged on the shutter base (3), a driving rocking handle for driving the light shielding blades (1) to rotate is arranged in the blade driving system (2), the driving rocking handle drives the light shielding blades (1) to rotate by taking the supporting shafts as centers, a light inlet hole (35) of the shutter base (3) is divided into more than two light inlet areas, and the number of the light inlet areas corresponds to the number of the light shielding blades (1); when the shutter is closed, the shading blades (1) respectively shade the corresponding light inlet areas; when the 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).
2. The rotary shutter according to claim 1, wherein the light blocking blade (1) is provided with a light blocking portion for blocking the light inlet hole (35) of the shutter base (3), and a rotary arm fitted to the support shaft to be freely rotatable, and the rotary arm is provided with a lever slot into which the drive lever is inserted.
3. the rotary shutter according to claim 2, wherein the rotary arm of the light-shielding blade (1) is provided with a support shaft clearance provided on an edge of the rotary arm facing the support shaft, capable of avoiding collision with the support shaft when the rotary arm of the light-shielding blade (1) is rotated.
4. The rotary shutter according to claim 2, wherein the edge of the shutter base (3) is provided with a limit flange for limiting the rotation position of the shutter blade, the edge of the light shielding part (111) of the shutter blade (1) facing the limit flange is provided with a door opening buffer (1111), the door opening buffer (1111) is engaged with the limit flange, when the rotary shutter is opened, the door opening buffer (1111) is in contact with the limit flange, the edge of the rotating arm (112) of the shutter blade (1) facing the limit flange is provided with a door closing buffer (1122), the door closing buffer (1122) is engaged with the limit flange, and when the rotary shutter is closed, the door closing buffer (1122) is in contact with the limit flange.
5. The rotary shutter according to claim 1, wherein a tamper-proof spacer is further provided in the rotary shutter, the tamper-proof spacer is shaped to fit the shutter base (3), a clearance hole is provided in the middle to fit the light inlet hole (35), the number of tamper-proof spacers corresponds to the number of driving cranks, and the light blocking blades (1) driven by the same driving crank are provided on the same layer of tamper-proof spacer.
6. the rotary shutter according to claim 2, wherein a first driving rocking handle (25a) and a second driving rocking handle (25b) are provided on the rotary shutter, the first driving rocking handle (25a) and the second driving rocking handle (25b) are provided at opposite positions of the shutter base (3) around the light inlet hole (35), the light blocking blade (1) comprises a first light blocking blade (11), a second light blocking blade (12), a third light blocking blade (13) and a fourth light blocking blade (14), the first light blocking blade (11) and the second light blocking blade (12) are provided on the upper side of the light inlet hole (35), the third light blocking blade (13) and the fourth light blocking blade (14) are provided on the lower side of the light inlet hole (35), the third light blocking blade (13) and the fourth light blocking blade (14) are provided centrosymmetrically to the first light blocking blade (11) and the second light blocking blade (12), the first driving rocking handle (25a) drives the first shading blade (11) and the second shading blade (12) to rotate, the second driving rocking handle (25b) 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 (35a), a light inlet hole second area (35b), a light inlet hole three area (35c) and a light inlet hole four area (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 (35 d); when the rotary shutter is opened, the first driving rocking handle (25a) 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) on the upper side of the light inlet hole (35), the second driving rocking handle (25b) 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) on the lower side of the light inlet hole (35).
7. the rotary shutter according to claim 6, wherein the blade drive system (2) is provided with a first drive coil bracket (21a) and a second drive coil bracket (21b), the first drive coil bracket (21a) and the second drive coil bracket (21b) are respectively provided with drive coils, the first drive coil bracket (21a) and the second drive coil bracket (21b) can guide out the magnetic force generated by the drive coils, one end of the first drive coil bracket (21a) is provided with a first arc surface (213), the other end of the first drive coil bracket (21a) is provided with a second arc surface (214), one end of the second drive coil bracket (21b) is provided with a third arc surface (215), the other end of the second drive coil bracket (21b) is provided with a fourth arc surface (216), and the first drive coil bracket (21a) and the second drive coil bracket (21b) are provided around the light inlet (35) The radian of the first cambered surface (213), the second cambered surface (214), the third cambered surface (215) and the fourth cambered surface (216) are matched with a driving magnet of a blade driving system at the relative position of the shutter base, the first cambered surface (213) is fixedly arranged at the relative position of the fourth cambered surface (216), the first cambered surface (213) and the fourth cambered surface (216) are matched to form a first magnet installation position, 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 (23a) is installed in the first magnet installation position, the first driving rocking handle (25a) is installed in the first blade driving magnet (23a), a second blade driving magnet (23b) is installed in the second magnet installation position, and a second driving rocking handle (25b) is installed in the second blade driving magnet (23 b).
8. The rotary shutter according to claim 7, wherein the ends of the driving coil brackets on which the first arc surface (213), the second arc surface (214), the third arc surface (215) and the fourth arc surface (216) are disposed are respectively provided with magnetic force enhancing protrusions for increasing the effective magnetic induction area of the arc surfaces.
9. The rotary shutter according to claim 7, wherein the first drive coil holder (21a) is provided with a coil mounting section (211) and a magnetically conductive section (212), the coil mounting section (211) is provided with a first stopper (241) and a second stopper (242) which are separately provided on the coil mounting section (211), the drive coil is mounted between the first stopper (241) and the second stopper (242), the wire material for winding the drive coil (22) is closely attached to the coil mounting section (211), and the second drive coil holder (21b) and the first drive coil holder (21a) are arranged in central symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821886596.XU CN209765234U (en) | 2018-11-16 | 2018-11-16 | Space-saving rotary shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821886596.XU CN209765234U (en) | 2018-11-16 | 2018-11-16 | Space-saving rotary shutter |
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| Publication Number | Publication Date |
|---|---|
| CN209765234U true CN209765234U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821886596.XU Active CN209765234U (en) | 2018-11-16 | 2018-11-16 | Space-saving rotary shutter |
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| CN (1) | CN209765234U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375452A (en) * | 2018-11-16 | 2019-02-22 | 深圳柏瑞光电技术有限公司 | A kind of section space-efficient rotary shutter |
| CN113848090A (en) * | 2021-02-03 | 2021-12-28 | 中水东北勘测设计研究有限责任公司 | Soil sample collection system |
| CN113848090B (en) * | 2021-02-03 | 2024-05-14 | 中水东北勘测设计研究有限责任公司 | Soil sample collection device |
-
2018
- 2018-11-16 CN CN201821886596.XU patent/CN209765234U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375452A (en) * | 2018-11-16 | 2019-02-22 | 深圳柏瑞光电技术有限公司 | A kind of section space-efficient rotary shutter |
| CN113848090A (en) * | 2021-02-03 | 2021-12-28 | 中水东北勘测设计研究有限责任公司 | Soil sample collection system |
| CN113848090B (en) * | 2021-02-03 | 2024-05-14 | 中水东北勘测设计研究有限责任公司 | Soil sample collection device |
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