CN216485902U - Anti-seismic shutter structure - Google Patents
Anti-seismic shutter structure Download PDFInfo
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- CN216485902U CN216485902U CN202123283621.XU CN202123283621U CN216485902U CN 216485902 U CN216485902 U CN 216485902U CN 202123283621 U CN202123283621 U CN 202123283621U CN 216485902 U CN216485902 U CN 216485902U
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- shutter
- blade
- bottom cover
- stopper
- shell
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Abstract
The utility model discloses an anti-seismic shutter structure, which comprises a shell, a driving component, a shutter component and a bottom cover, wherein the shell is provided with a light through hole, the driving component and the shutter component are arranged in the shell, the shutter component is arranged at the movable end of the driving component, the bottom cover is buckled at the bottom of the shell, and the bottom cover is provided with a limiting part; when the driving component drives the shutter component to shield or keep away from the light through hole, the shutter component is propped against the limiting part. Through set up spacing portion at the lock on the bottom of shell bottom for when drive assembly drove the shutter subassembly and shelter from or keep away from logical unthreaded hole, the shutter subassembly offseted with spacing portion, thereby makes spacing portion take place elastic deformation and absorb the power that shutter subassembly and spacing portion collided, avoided on vibrations transmit to the shell, the anti-seismic performance who has effectively improved.
Description
Technical Field
The utility model relates to a shutter structure field especially relates to an antidetonation shutter structure.
Background
The shutter structure is often applied to optical devices such as a thermal infrared imager and the like, is an important component of the optical devices,
the existing shutter structure controls the opening and closing of a light through hole in an optical device by driving the swing of blades through a driving component, and the blades collide with a shell after swinging, so that the whole shutter structure generates vibration and is difficult to meet the use requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an antidetonation shutter structure to solve one or more technical problem in the above-mentioned background art.
To achieve the purpose, the utility model adopts the following technical proposal:
an anti-seismic shutter structure comprises a shell, a driving assembly, a shutter assembly and a bottom cover, wherein the shell is provided with a light through hole, the driving assembly and the shutter assembly are arranged in the shell, the shutter assembly is arranged at the movable end of the driving assembly, the bottom cover is buckled at the bottom of the shell, and a limiting part is arranged on the bottom cover; when the driving component drives the shutter component to shield or keep away from the light through hole, the shutter component is abutted against the limiting part.
Preferably, the shutter assembly comprises a rotating piece, a first blade and a second blade, one end of the rotating piece is connected with the driving assembly, the other end of the rotating piece is provided with a swinging pin, the first blade and the second blade are respectively provided with a first matching groove and a second matching groove, and the swinging pin is in sliding fit with the first matching groove and the second matching groove.
Preferably, the limiting part comprises a first stop block and a second stop block, and the first stop block and the second stop block are respectively arranged on two adjacent sides of the bottom cover.
Preferably, a limiting groove is formed in the bottom cover, the limiting portion comprises a first blocking strip and a second blocking strip, and the first blocking strip and the second blocking strip are arranged in the limiting groove in a left-right mode.
Preferably, the limiting part further comprises a first stop block and a second stop block, and the first stop block and the second stop block are respectively arranged on two adjacent sides of the bottom cover.
Preferably, the swing pin passes through the limit groove; when the driving assembly drives the first blade and the second blade to shield the light through hole, the swinging pin abuts against the first blocking strip; when the driving assembly drives the first blade and the second blade to be far away from the light through hole, the swinging pin is abutted to the second stop strip.
Preferably, drive assembly includes iron core, coil and permanent magnet, the iron core is established in the shell, the coil winding is in on the iron core, the permanent magnet is established the one end of iron core, the permanent magnet cover is established the outside of swinging pin one end.
Preferably, the shutter assembly further includes a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are both disposed in the housing, the first blade is rotatably connected to the first rotating shaft, and the second blade is rotatably connected to the second rotating shaft.
Preferably, the bottom cover is provided with a first fastening hole and a second fastening hole, and the bottom cover is fastened with the housing through the first fastening hole and the second fastening hole respectively corresponding to the first rotating shaft and the second rotating shaft.
Preferably, the driving assemblies and the shutter assemblies are two groups, the two groups of driving assemblies are symmetrically arranged in the shell, and the two groups of shutter assemblies are respectively connected with the movable ends of the driving assemblies one by one.
The utility model has the advantages that: the limiting part is arranged on the bottom cover buckled at the bottom of the shell, so that when the driving assembly drives the shutter assembly to shield or keep away from the light through hole, the shutter assembly is abutted against the limiting part, the limiting part is elastically deformed to absorb the force of collision between the shutter assembly and the limiting part, the vibration is prevented from being transmitted to the shell, and the anti-seismic performance is effectively improved.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
Fig. 1 is an exploded view of embodiment 1 of the present invention;
fig. 2 is a schematic view of the internal structure of embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a bottom cover according to embodiment 1 of the present invention;
FIG. 4 is an enlarged partial schematic view of portion A of FIG. 3;
fig. 5 is a schematic position diagram of the first blade and the second blade when the light passing hole of embodiment 1 of the present invention is closed;
fig. 6 is a schematic position diagram of the first blade and the second blade when the light passing hole of embodiment 1 of the present invention is opened;
fig. 7 is a schematic structural view of a shutter assembly of embodiment 1 of the present invention;
fig. 8 is a schematic structural view of embodiment 2 of the present invention;
FIG. 9 is an enlarged partial view of portion B of FIG. 8;
fig. 10 is a schematic structural view of embodiment 3 of the present invention.
Wherein: the rotating part 31, the first blade 32, the second blade 33, the swing pin 311, the second matching groove 331, the hollow portion 411, the iron core 21, the permanent magnet 22, the first rotating shaft 12, the second rotating shaft 13, the first fastening hole 44, the second fastening hole 45, the limiting groove 43, the first blocking strip 431 and the second blocking strip 432.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example 1
An anti-seismic shutter structure, refer to fig. 1-4, including outer casing 1, drive assembly, shutter assembly and bottom cover 4, there are light-passing holes 11 on the outer casing 1, drive assembly and shutter assembly are set up in outer casing 1, the shutter assembly is set up in the free end of the drive assembly, the bottom cover 4 is buckled on the bottom of the outer casing 1, there are spacing parts on the bottom cover 4; the limiting part comprises a first stop block 41 and a second stop block 42, the first stop block 41 and the second stop block 42 are respectively arranged on two adjacent sides of the bottom cover 4, and the first stop block 41 and the second stop block 42 extend from the bottom cover 4 to the inside of the shell 1;
referring to fig. 7, the shutter assembly includes a rotating member 31, a first blade 32 and a second blade 33, one end of the rotating member 31 is connected to the driving assembly, the other end of the rotating member 31 is provided with a swing pin 311, the first blade 32 and the second blade 33 are respectively provided with a first matching groove and a second matching groove 331, and the swing pin 311 is in sliding fit with the first matching groove and the second matching groove 331. Thus, the opening and closing of the shutter structure can be achieved by the driving of the rotation of one end of the rotation member 31 by the driving member through the sliding engagement of the swing pin 311 with the first and second engagement grooves 331.
Referring to fig. 4 and 5, when the driving assembly drives the first blade 32 and the second blade 33 to block the light passing hole 11, the first blade 32 abuts against the first stopper 41; when the driving assembly drives the first blade 32 and the second blade 33 to be away from the light through hole 11, the second blade 33 abuts against the second stopper 42.
Therefore, in embodiment 1, the limiting portion is disposed on the bottom cover 4 buckled at the bottom of the housing 1, so that when the driving assembly drives the shutter assembly to block or separate from the light passing hole 11, the first blade 32 or the second blade 33 abuts against the first stopper 41 or the second stopper 42, and when the first blade 32 or the second blade 33 contacts the first stopper 41 or the second stopper 42, the first stopper 41 or the second stopper 42 elastically deforms under the action of the first blade 32 or the second blade 33, thereby absorbing the impact force generated by the first blade 32 and/or the second blade 33 colliding against the first stopper 41 or the second stopper 42, avoiding the vibration from being transmitted to the housing 1, and effectively improving the anti-vibration performance.
Specifically, the bottom cover 4 is further provided with a hollow portion 411, the hollow portion 411 is respectively located on two sides of the first stopper 41 and two sides of the second stopper 42, and the hollow portion 411 is provided on two sides of the first stopper 41 and two sides of the second stopper 42, so that the first stopper 41 and the second stopper 42 can bear larger elastic deformation, and the first stopper 41 and the second stopper 42 are prevented from breaking.
Preferably, the driving assembly includes an iron core 21, a coil and a permanent magnet 22, the iron core 21 is disposed in the housing 1, the coil is wound on the iron core 21, the permanent magnet 22 is disposed at one end of the iron core 21, and the permanent magnet 22 is sleeved at the outer side of one end of the swing pin 311. Thereby, the first blade 32 and the second blade 33 are driven by the action of the coil current on the permanent magnet 22;
in an initial state, the first blade 32 and the second blade 33 shield the light through hole 11, when the device works, the coil is electrified, a magnetic field generated by the coil acts on the permanent magnet 22, so that the permanent magnet 22 drives the rotating part 31 to rotate, the rotating part 31 drives the first blade 32 and the second blade 33 to move until the first blade 32 abuts against the first stop block 41, and at the moment, the first blade 32 and the second blade 33 are far away from the light through hole 11; the coil is reversely electrified, a reverse magnetic field generated by the coil acts on the permanent magnet 22, so that the permanent magnet 22 drives the rotating piece 31 to rotate in the opposite direction, the rotating piece 31 drives the first blade 32 and the second blade 33 to move until the second blade 33 abuts against the second stopper 42, and at the moment, the first blade 32 and the second blade 33 shield the light through hole 11.
Preferably, the shutter assembly further comprises a first rotating shaft 12 and a second rotating shaft 13, the first rotating shaft 12 and the second rotating shaft 13 are both arranged in the housing 1, the first blade 32 is rotatably connected with the first rotating shaft 12, and the second blade 33 is rotatably connected with the second rotating shaft 13. Thereby, the first blade 32 and the second blade 33 are moved to the corresponding positions by being respectively rotated around the first shaft and the second shaft 13.
Furthermore, the bottom cover 4 is provided with a first fastening hole 44 and a second fastening hole 45, and the bottom cover 4 is fastened with the housing 1 through the first fastening hole 44 and the second fastening hole 45 respectively corresponding to the first rotating shaft 12 and the second rotating shaft 13. Therefore, the arrangement of the first rotating shaft 12 and the second rotating shaft 13 not only enables the first blade 32 and the second blade 33 to complete corresponding actions, but also can be used for being buckled with the bottom cover 4, so that the bottom cover 4 and the shell 1 can be installed without screws or glue, and the assembly and disassembly are convenient.
Preferably, the driving assemblies and the shutter assemblies are both two groups, the two groups of driving assemblies are symmetrically arranged in the shell 1, and the two groups of shutter assemblies are respectively connected with the movable ends of the driving assemblies one by one.
Example 2
An anti-seismic shutter structure, refer to fig. 8 and 9, and comprises a shell 1, a driving assembly, a shutter assembly and a bottom cover 4, wherein the shell 1 is provided with a light through hole 11, the driving assembly and the shutter assembly are arranged in the shell 1, the shutter assembly is arranged at the movable end of the driving assembly, the bottom cover 4 is buckled at the bottom of the shell 1, and the bottom cover 4 is provided with a limiting part; the bottom cover 4 is provided with a limiting groove 43, the limiting part comprises a first barrier 431 and a second barrier 432, and the first barrier 431 and the second barrier 432 are arranged in the limiting groove 43 in a left-right mode.
The shutter assembly comprises a rotating piece 31, a first blade 32 and a second blade 33, one end of the rotating piece 31 is connected with the driving assembly, the other end of the rotating piece 31 is provided with a swing pin 311, the first blade 32 and the second blade 33 are respectively provided with a first matching groove and a second matching groove 331, and the swing pin 311 is in sliding fit with the first matching groove and the second matching groove 331.
The swing pin 311 passes through the stopper groove 43; when the driving assembly drives the first blade 32 and the second blade 33 to block the light through hole 11, the swing pin 311 abuts against the first barrier strip 431; when the driving assembly drives the first blade 32 and the second blade 33 to move away from the light through hole 11, the swing pin 311 abuts against the second stop 432.
Therefore, in embodiment 2, the bottom cover 4 buckled at the bottom of the housing 1 is provided with the limiting groove 43, and the first blocking strip 431 and the second blocking strip 432 which can elastically deform are arranged in the limiting groove 43, when the driving assembly drives the shutter assembly to shield or keep away from the light through hole 11, the swing pin 311 on the rotating member 31 respectively offsets with the first blocking strip 431 or the second blocking strip 432, when the swing pin 311 contacts with the first blocking strip 431 or the second blocking strip 432, the first blocking strip 431 or the second blocking strip 432 can elastically deform under the acting force of the swing member, so that the force of collision between the swing member and the bottom cover 4 is absorbed, the vibration is prevented from being transmitted to the housing 1, and the anti-seismic performance is effectively improved.
Specifically, the first barrier 431 and the second barrier 432 are connected to two sides of the limiting groove 43, so that the first barrier 431 and the second barrier 432 can bear larger elastic deformation, and the first barrier 431 and the second barrier 432 are prevented from being broken.
Example 3
An anti-seismic shutter structure, refer to fig. 10, comprising a housing 1, a driving assembly, a shutter assembly and a bottom cover 4, wherein the housing 1 is provided with a light through hole 11, the driving assembly and the shutter assembly are arranged in the housing 1, the shutter assembly is arranged at a movable end of the driving assembly, the bottom cover 4 is buckled at the bottom of the housing 1, and the bottom cover 4 is provided with a limiting part; the bottom cover 4 is provided with a limiting groove 43, the limiting part comprises a first stop block 41, a second stop block 42, a first stop strip 431 and a second stop strip 432, the first stop block 41 and the second stop block 42 are respectively arranged on two adjacent sides of the bottom cover 4, the first stop block 41 and the second stop block 42 extend from the bottom cover 4 to the inside of the shell 1, and the first stop strip 431 and the second stop strip 432 are arranged in the limiting groove 43 in a left-right mode.
The shutter assembly comprises a rotating piece 31, a first blade 32 and a second blade 33, one end of the rotating piece 31 is connected with the driving assembly, the other end of the rotating piece 31 is provided with a swing pin 311, the first blade 32 and the second blade 33 are respectively provided with a first matching groove and a second matching groove 331, and the swing pin 311 is in sliding fit with the first matching groove and the second matching groove 331.
The swing pin 311 passes through the stopper groove 43; when the driving assembly drives the first blade 32 and the second blade 33 to block the light through hole 11, the first blade 32 abuts against the first stopper 41, and the swing pin 311 abuts against the first barrier strip 431; when the driving assembly drives the first blade 32 and the second blade 33 to move away from the light through hole 11, the second blade 33 abuts against the second stopper 42, and the swing pin 311 abuts against the second stop strip 432.
Therefore, in the embodiment 3, the bottom cover 4 fastened to the bottom of the housing 1 is provided with the limiting groove 43, the first stopper 41 and the second stopper 42 are disposed on the bottom cover 4, and the first barrier 431 and the second barrier 432 capable of elastically deforming are disposed in the limiting groove 43, when the driving component drives the shutter assembly to block or separate from the light-passing hole 11, the first blade 32 or the second blade 33 abuts against the first stopper 41 or the second stopper 42, and the swing pin 311 on the rotating member 31 abuts against the first barrier 431 or the second barrier 432, respectively, the first stopper 41 or the second stopper 42 can elastically deform under the action force of the first blade 32 or the second blade 33, so as to absorb the collision force of the first blade 32 and the second blade 33 with the first stopper 41 or the second stopper 42, and when the swing pin 311 contacts with the first barrier 431 or the second barrier 432, the first barrier 431 or the second barrier 432 can elastically deform under the action force of the swinging member, thereby absorbing the force of collision between the swinging piece and the bottom cover 4, avoiding the vibration from being transmitted to the shell 1 and further improving the anti-seismic performance.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. An anti-seismic shutter structure is characterized by comprising a shell, a driving assembly, a shutter assembly and a bottom cover, wherein the shell is provided with a light through hole, the driving assembly and the shutter assembly are arranged in the shell, the shutter assembly is arranged at the movable end of the driving assembly, the bottom cover is buckled at the bottom of the shell, and a limiting part is arranged on the bottom cover; when the driving component drives the shutter component to shield or keep away from the light through hole, the shutter component is abutted against the limiting part.
2. An anti-seismic shutter structure according to claim 1, wherein the shutter assembly comprises a rotating member, a first blade and a second blade, one end of the rotating member is connected with the driving assembly, the other end of the rotating member is provided with a swing pin, the first blade and the second blade are respectively provided with a first matching groove and a second matching groove, and the swing pin is in sliding fit with the first matching groove and the second matching groove.
3. An earthquake-resistant shutter structure according to claim 2, wherein said limiting portion comprises a first stopper and a second stopper, said first stopper and said second stopper being provided on adjacent sides of said bottom cover, respectively.
4. An anti-seismic shutter structure according to claim 2, wherein a limiting groove is formed in the bottom cover, the limiting portion includes a first barrier and a second barrier, and the first barrier and the second barrier are disposed in the limiting groove in a left-right manner.
5. An earthquake-resistant shutter structure according to claim 4, wherein said limiting portion further comprises a first stopper and a second stopper, said first stopper and said second stopper being respectively provided on adjacent sides of said bottom cover.
6. An anti-seismic shutter structure according to claim 4 or 5, wherein said rocking pin passes through said limit groove; when the driving assembly drives the first blade and the second blade to shield the light through hole, the swinging pin abuts against the first blocking strip; when the driving assembly drives the first blade and the second blade to be far away from the light through hole, the swinging pin is abutted to the second stop strip.
7. An anti-seismic shutter structure according to claim 3, 4 or 5, characterized in that said drive assembly comprises an iron core, a coil and a permanent magnet, said iron core is disposed in said housing, said coil is wound on said iron core, said permanent magnet is disposed at one end of said iron core, said permanent magnet is sleeved outside one end of said rocking pin.
8. An earthquake-resistant shutter structure according to claim 7, wherein the shutter assembly further comprises a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are both arranged in the housing, the first blade is rotatably connected with the first rotating shaft, and the second blade is rotatably connected with the second rotating shaft.
9. The anti-seismic shutter structure according to claim 8, wherein the bottom cover is provided with a first fastening hole and a second fastening hole, and the bottom cover is fastened with the housing through the first fastening hole and the second fastening hole respectively corresponding to the first rotating shaft and the second rotating shaft.
10. An anti-seismic shutter structure according to claim 1, wherein said driving assemblies and said shutter assemblies are two sets, said two sets of driving assemblies are symmetrically disposed in said housing, and said two sets of shutter assemblies are respectively connected to the movable ends of said driving assemblies one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123283621.XU CN216485902U (en) | 2021-12-24 | 2021-12-24 | Anti-seismic shutter structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123283621.XU CN216485902U (en) | 2021-12-24 | 2021-12-24 | Anti-seismic shutter structure |
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| Publication Number | Publication Date |
|---|---|
| CN216485902U true CN216485902U (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123283621.XU Active CN216485902U (en) | 2021-12-24 | 2021-12-24 | Anti-seismic shutter structure |
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| CN (1) | CN216485902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115016195A (en) * | 2022-05-17 | 2022-09-06 | 佛山市协亮光电制品有限公司 | Vibration-damping shutter device for holder |
-
2021
- 2021-12-24 CN CN202123283621.XU patent/CN216485902U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115016195A (en) * | 2022-05-17 | 2022-09-06 | 佛山市协亮光电制品有限公司 | Vibration-damping shutter device for holder |
| CN115016195B (en) * | 2022-05-17 | 2023-12-01 | 佛山市协亮光电制品有限公司 | Shock-absorbing shutter device for cradle head |
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