Aperture elastic blade and automatically-adjusted aperture structure

Abstract

The invention relates to the technical field of optical equipment, in particular to an aperture elastic blade which comprises an elastic blade body and an elastic blade limiting part, the elastic blade limiting part is connected to the elastic blade body, and the elastic blade body is provided with an elastic blade rotating hole and an elastic blade rotating guide groove. The elastic blade rotating hole is rotationally connected to an aperture elastic blade connecting column on the aperture structure, and the elastic blade body is driven to rotate relative to the aperture structure through an aperture adjusting guide column which is connected to the aperture structure through an elastic blade rotating guide groove so as to adjust the aperture; one end of the elastic blade limiting part is connected to the elastic blade body, and the other end is connected to the aperture structure to perform aperture limiting adjustment on the elastic blade body; according to the scheme, the structural design of the elastic blade body and the elastic blade limiting part is adopted, and the effects of improving the adjustment precision of the aperture, optimizing the structure of the elastic blade of the aperture and improving the adjustment stability of the elastic blade of the aperture are achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of optical equipment, and in particular relates to an aperture elastic blade and an automatically adjustable aperture structure using the blade. Background Art

[0002] The AV aperture structure is widely used in the field of photography. It allows the photographer to manually set the aperture size to control the depth of field and background blur, and automatically adjusts the shutter speed to obtain appropriate exposure, greatly enhancing the flexibility of shooting and creative freedom. However, in the current existing technology, the aperture adjustment blades on the aperture structure are prone to shaking due to the connection gap after adjustment, resulting in insufficient aperture stability, thereby affecting the quality of the photographed works; at the same time, the aperture adjustment blades of the aperture structure need to be driven by a motor to reset after adjustment. The overall structure of the aperture structure is complex, the volume is large and the weight is too heavy, which makes it inconvenient to carry and use for a long time, affecting the user's experience. For this reason, the present invention proposes a new solution to the above technical problems. Summary of the invention

[0003] The purpose of the present invention is to provide an aperture elastic blade. The scheme adopts a structural design of an elastic blade body plus an elastic blade limiting portion, which achieves the effects of improving the adjustment accuracy of the aperture, optimizing the aperture elastic blade structure and improving the stability of the aperture elastic blade adjustment.

[0004] Based on this, the present invention provides an aperture elastic blade, comprising: An elastic blade body and an elastic blade limiting portion, wherein the elastic blade limiting portion is connected to the elastic blade body, the elastic blade body is provided with an elastic blade rotation hole and an elastic blade rotation guide groove, the elastic blade rotation hole is rotationally connected to an aperture elastic blade connecting column on the aperture structure, and the elastic blade rotation guide groove is connected to an aperture adjustment guide column on the aperture structure to drive the elastic blade body to rotate relative to the aperture structure for aperture adjustment; one end of the elastic blade limiting portion is connected to the elastic blade body, and the other end is connected to the aperture structure to perform aperture limit adjustment on the elastic blade body.

[0005] As described above, an aperture elastic blade, the elastic blade limiting portion is integrally formed with the elastic blade body, and the elastic blade limiting portion is provided with an elastic fixing portion and an elastic tensioning portion, and the elastic tensioning portion is provided with a first elastic direct connection end, a second elastic direct connection end, and a middle elastic deformation end; one end of the middle elastic deformation end is connected to the first elastic direct connection end, and the other end is connected to the second elastic direct connection end; the first elastic direct connection end is connected to the elastic blade body; the elastic fixing portion is connected to the aperture structure and connected to the second elastic direct connection end; the first elastic direct connection end and the second elastic direct connection end are respectively connected to both sides of the middle elastic deformation end to form a limiting angle ɑ, and the change of the limiting angle ɑ drives the middle elastic deformation end to undergo elastic deformation to perform aperture limit adjustment.

[0006] In the aperture elastic blade as described above, the elastic fixing portion is connected to the aperture elastic blade connecting column adjacent to the elastic blade rotation hole to perform aperture limit adjustment.

[0007] The present invention also provides an automatically adjustable aperture structure, comprising an aperture support seat, an aperture drive module, and an aperture elastic blade as described in claims 1-3.

[0008] An automatically adjustable aperture structure as described above, wherein the aperture drive module is connected in the aperture support seat, and the aperture drive module is provided with an aperture rotating disk and an aperture FPC coil structure; the aperture rotating disk is provided with an aperture rotating magnet group and an aperture rotating disk body, the aperture rotating magnet group is connected to the aperture rotating disk body, and a plurality of aperture elastic blades are connected to the aperture support seat through the elastic blade rotating holes; the aperture rotating disk body is connected in the elastic blade rotating guide groove, and the aperture rotating disk body is driven to rotate forward or reversely through the aperture FPC coil structure, so that the aperture rotating disk body drives the plurality of aperture elastic blades to rotate through the elastic blade rotating guide groove, thereby making the plurality of aperture elastic blades surround an aperture from large to small or from small to large.

[0009] In an automatically adjustable aperture structure as described above, the aperture adjustment guide column is arranged on the aperture rotating disk body, and the aperture rotating disk body is also provided with a rotating magnet mounting portion, the aperture rotating magnet group is connected to the rotating magnet mounting portion to drive the aperture rotating disk body to rotate; the elastic blade rotation guide groove is connected to the aperture adjustment guide column, and the multiple aperture elastic blades are adjusted as the aperture rotating disk body rotates.

[0010] An automatically adjustable aperture structure as described above, the aperture FPC coil structure is provided with an aperture FPC coil structure body, an aperture adjustment coil group, and an aperture reset magnet, the aperture FPC coil structure body is provided with an FPC coil mounting portion and a reset magnet mounting portion, the aperture adjustment coil group is connected to the FPC coil mounting portion, and the aperture rotating disk is rotated and adjusted by the aperture adjustment coil group; the aperture reset magnet is connected to the reset magnet mounting portion, and the aperture rotating disk is reset by the aperture reset magnet.

[0011] In an automatically adjustable aperture structure as described above, the aperture support seat is provided with an aperture support upper cover and an aperture support fixing seat, the aperture drive module is connected to the aperture support fixing seat, and the aperture support upper cover is connected to the aperture support fixing seat to fasten the aperture drive module in the aperture support seat.

[0012] In the automatic adjustment aperture structure as described above, the aperture elastic blade connecting column is arranged on the aperture support fixing seat, and the aperture support fixing seat is provided with an aperture support upper cover mounting position, an aperture rotating disk limiting groove, an aperture FPC coil structure mounting position, an aperture FPC coil structure limiting column, an aperture elastic blade rotation limiting groove, and an aperture support upper cover fixing buckle; the aperture FPC coil structure is fixedly connected to the aperture support fixing seat through the aperture FPC coil structure mounting position and the aperture FPC coil structure limiting column; the aperture rotating disk body is connected to the aperture support fixing seat through the aperture rotating disk limiting groove, and is fixed to the aperture support fixing seat through the aperture rotating disk limiting groove. The aperture rotating disk body is limited; the aperture driving module also includes an aperture component partition, and the aperture component partition is connected to the aperture rotating disk body through the aperture adjustment guide column to separate the multiple aperture elastic blades from the aperture rotating disk body; the elastic blade rotation hole is connected to the aperture elastic blade connecting column, so that the multiple aperture elastic blades are rotatably connected to the aperture support fixing seat, and are limited by the aperture elastic blade rotation limiting groove; the aperture support upper cover is fixedly connected to the aperture support fixing seat through the aperture support upper cover mounting position and the aperture support upper cover fixing buckle to tighten the components of the aperture driving module.

[0013] In an automatically adjustable aperture structure as described above, the aperture support upper cover is provided with an upper cover fixing buckle connecting position and an aperture support fixing seat positioning portion; the aperture support upper cover is positioned and connected to the aperture support upper cover mounting position via the aperture support fixing seat positioning portion, and is connected to the aperture support upper cover fixing buckle via the upper cover fixing buckle connecting position to fasten the aperture support upper cover to the aperture support fixing seat.

[0014] Implementing the embodiments of the present invention has the following beneficial effects: 1. The present invention adopts a structural design of an elastic blade body plus an elastic blade limiting portion, wherein the elastic blade body is connected to the elastic blade limiting portion, and the elastic blade body is rotatably connected to the aperture elastic blade connecting column on the aperture structure through the elastic blade rotating hole, and the elastic blade rotating guide groove is connected to the aperture adjustment guide column on the aperture structure, so that the aperture adjustment guide column can drive the elastic blade body to rotate around the aperture elastic blade connecting column to adjust the aperture from large to small or from small to large; and the elastic blade limiting portion is connected to the aperture structure and connected to the elastic blade body, and an elastic force can be applied to the elastic blade body to eliminate the connection gap between the elastic blade rotating hole and the aperture elastic blade connecting column and the elastic blade rotating guide groove and the aperture adjustment guide column, thereby eliminating the shaking of the aperture elastic blade after the aperture adjustment, so that the light transmittance of the elastic blade body at the same position remains consistent, thereby achieving the effects of improving the adjustment accuracy of the aperture, optimizing the aperture elastic blade structure, and improving the stability of the aperture elastic blade adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a structural schematic diagram of an embodiment of the present invention; Figure 2 It is a partially hidden diagram of the structure of an embodiment of the present invention; Figure 3 It is a structural explosion diagram of an embodiment of the present invention; Figure 4 For the corresponding Figure 3 A magnified view of part A; Figure 5 For the corresponding Figure 3 A schematic diagram of the structure in another direction; Figure 6 For the corresponding Figure 5 A schematic diagram of the structure in another direction; Figure 7 is a schematic structural diagram of an aperture elastic blade corresponding to an embodiment of the present invention; Figure 8 For the corresponding Figure 7 A magnified view of part B; Fig. 9 is a structural schematic diagram of an aperture rotating disk body corresponding to an embodiment of the present invention; Fig.10 For the corresponding Fig. 9 A schematic diagram of the structure in another direction; Fig.11 It is a structural schematic diagram of the aperture FPC coil structure body corresponding to an embodiment of the present invention; Fig.12 It is a structural schematic diagram of an aperture support fixing seat corresponding to an embodiment of the present invention; Fig.13 For the corresponding Fig.12 A schematic diagram of the structure in another direction; Fig.14 It is a structural schematic diagram of an aperture support upper cover corresponding to an embodiment of the present invention; Fig.15 For the corresponding Fig.14 A schematic diagram of the structure in another direction; Fig.16 Schematic diagram of the structure of the aperture component partition corresponding to the embodiment of the present invention.

[0017] In the figure: 1-aperture elastic blade, 11-elastic blade body, 111-elastic blade rotation hole, 112-elastic blade rotation guide groove, 12-elastic blade limiting part, 121-elastic fixing part, 122-elastic tensioning part, 1221-first elastic direct connection end, 1222-second elastic direct connection end, 1223-middle elastic deformation end; 2-aperture support seat, 21-aperture support upper cover, 211-upper cover fixing buckle connection position, 212-aperture support fixing seat positioning part , 213-aperture elastic blade connecting column matching hole, 214-aperture adjustment guide column matching groove, 215-aperture elastic blade rotating protrusion, 216-aperture upper cover light hole, 22-aperture support fixing seat, 220-FPC coil power wiring port installation position, 221-aperture support upper cover installation position, 222-aperture rotating disk limiting groove, 223-aperture FPC coil structure installation position, 224-aperture FPC coil structure limiting column, 225-aperture elastic blade connecting column , 226-aperture elastic blade rotation limit groove, 227-aperture support upper cover fixing buckle, 228-aperture turntable rotation convex block, 229-support fixed seat through hole; 3111-first aperture rotation magnet, 3112-second aperture rotation magnet, 312-aperture rotation disk body, 3121-aperture adjustment guide column, 3122-rotation magnet mounting part, 31221-rotation magnet mounting groove, 3123-aperture turntable through hole; 321-aperture FPC coil structure Body, 3211-FPC coil mounting part, 3212-reset magnet mounting part, 3213-power connection port, 3214-coil illumination through hole, 3215-FPC coil structure limiting column matching hole, 3221-first aperture adjustment coil, 3222-second aperture adjustment coil, 323-aperture reset magnet, 324-Hall sensor; 33-aperture component partition, 331-aperture component light through hole, 332-aperture component partition limiting hole; ɑ-limiting angle. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] like Figures 1 to 16 As shown, an embodiment of the present invention provides an aperture elastic blade, comprising: An elastic blade body 11 and an elastic blade limiting portion 12, wherein the elastic blade limiting portion 12 is connected to the elastic blade body 11, and the elastic blade body 11 is provided with an elastic blade rotating hole 111 and an elastic blade rotating guide groove 112, wherein the elastic blade rotating hole 111 is rotationally connected to an aperture elastic blade connecting column 225 on the aperture structure, and the elastic blade rotating guide groove 112 is connected to an aperture adjustment guide column 3121 on the aperture structure to drive the elastic blade body 11 to rotate relative to the aperture structure for aperture adjustment; one end of the elastic blade limiting portion 12 is connected to the elastic blade body 11, and the other end is connected to the aperture structure for aperture limit adjustment of the elastic blade body 11.

[0020] Specifically, the elastic blade limiting portion 12 is integrally formed with the elastic blade body 11. On the one hand, the integral forming is produced by an etching process, and the shape and structure of the aperture elastic blade can be accurately manufactured by the etching process, and the production is fast and low-cost; it can also improve the stability and accuracy of the structure, reduce errors in the assembly process, and thus improve the consistency and reliability of the aperture elastic blade; on the other hand, the one-piece forming design eliminates the need to open elastic component connection holes on the aperture elastic blades and eliminates the need to design separate elastic components to be connected to the elastic component connection holes for limiting, thereby reducing the processing and assembly steps, effectively reducing the production cost of the product and improving the convenience of production; the elastic blade limiting portion 12 adopts a planar design, and the overall thickness of the elastic blade limiting portion 12 is reduced by increasing the width on both sides, while ensuring the elastic deformation of the elastic blade limiting portion 12, while reducing the production cost; and the elastic blade limiting portion 12 is provided with an elastic fixing portion 121 and an elastic tensioning portion 122, and the elastic The tensioning portion 122 is provided with a first elastic straight-connected end 1221, a second elastic straight-connected end 1222, and a middle elastic deformation end 1223; the middle elastic deformation end 1223 is designed in an S-shape, which can effectively increase the elastic deformation amount of the middle elastic deformation end 1223 to increase the elastic force; one end of the middle elastic deformation end 1223 is connected to the first elastic straight-connected end 1221, and the other end is connected to the second elastic straight-connected end 1222; the first elastic straight-connected end 1221 is connected to the elastic leaf The sheet body 11; the elastic fixing part 121 is connected to the aperture structure and connected to the second elastic direct connection end 1222; the first elastic direct connection end 1221 and the second elastic direct connection end 1222 are respectively connected to the two sides of the middle elastic deformation end 1223 to form a limiting angle ɑ, and the middle elastic deformation end 1223 is driven to undergo elastic deformation to adjust the aperture limit by changing the limiting angle ɑ; in the embodiment of the present invention, the angle range of the limiting angle ɑ is preferably 0°≤ɑ<90°; When the aperture elastic blades are not assembled, the limiting angle ɑ of the first elastic direct connection end 1221 and the second elastic direct connection end 1222 is 0°, so that the middle elastic deformation end 1223 is in a free state, so as to extend the service life of the aperture elastic blades; when assembled on the aperture structure, the limiting angle ɑ of the first elastic direct connection end 1221 and the second elastic direct connection end 1222 is greater than 0°, so that the middle elastic deformation end 1223 is in a stretched state, so as to provide a first elastic force to tighten the elastic blade body 11 toward the direction of the connection between the elastic fixing part 121 and the aperture structure, so as to eliminate the connection gap between the elastic blade rotation hole 111 and the aperture elastic blade connecting column 225 and the elastic blade rotation guide groove 112 and the aperture adjustment guide column 3121, thereby ensuring that multiple elastic blade bodies 11 are connected to the aperture structure. Structurally, the amount of light passing through remains consistent when connected in the same position, so as to improve the accuracy of adjustment of the aperture elastic blades; when assembled on the aperture structure for adjustment, the limiting angle ɑ of the first elastic direct connection end 1221 and the second elastic direct connection end 1222 is still in a state greater than 0°, so that the middle elastic deformation end 1223 is in a stretched state, so as to provide a first elastic force to tighten the elastic blade body 11 toward the connection between the elastic fixing part 121 and the aperture structure, so as to eliminate the connection gap between the elastic blade rotation hole 111 and the aperture elastic blade connecting column 225 and the elastic blade rotation guide groove 112 and the aperture adjustment guide column 3121, thereby ensuring that multiple elastic blade bodies 11 are connected to the aperture structure, and the amount of light passing through remains consistent when adjusted to the same position, so as to improve the accuracy of adjustment of the aperture elastic blades.

[0021] Furthermore, the elastic fixing portion 121 is connected to the aperture elastic blade connecting column 225 adjacent to the elastic blade rotating hole 111 for aperture limit adjustment, so as to ensure that the elastic blade body 11 can be tightened by the elastic force provided by the elastic fixing portion 121 after adjustment or resetting, so as to eliminate the connection gap between the elastic blade rotating hole 111 and the aperture elastic blade connecting column 225 and the elastic blade rotating guide groove 112 and the aperture adjustment guide column 3121, so as to ensure that the light transmittance of multiple aperture elastic blades after adjustment remains consistent, so as to improve the adjustment accuracy; the connection between the elastic fixing portion 121 and the aperture elastic blade connecting column 225 adopts an anti-loosening design to prevent the connection from loosening due to vibration or impact during long-term use, thereby improving the stability of the connection.

[0022] The elastic blade body 11 of the embodiment of the present invention is designed to imitate an eagle's beak, so that the inner recessed parts of the plurality of elastic blade bodies 11 can be arranged to form an aperture from large to small or from small to large, so as to improve the convenience of adjustment.

[0023] An embodiment of the present invention also provides an automatically adjustable aperture structure, including an aperture support seat 2, an aperture drive module, and an aperture elastic blade as described in claims 1-3; since the automatically adjustable aperture structure also has aperture elastic blades, the automatically adjustable aperture structure also has the same technical effect of the aperture elastic blades.

[0024] Further, the aperture driving module is connected in the aperture support seat 2, and the aperture driving module is provided with an aperture rotating disk and an aperture FPC coil structure; the aperture rotating disk is provided with an aperture rotating magnet group and an aperture rotating disk body 312, the aperture rotating magnet group is connected to the aperture rotating disk body 312, and the aperture rotating magnet group 31 is made of high magnetic material to enhance its driving efficiency and improve the response speed of the aperture adjustment; a plurality of the aperture elastic blades 1 are connected to the aperture support seat 2 through the elastic blade rotating hole 111; the aperture rotating disk body 312 is connected in the elastic blade rotating guide groove 112, and the aperture rotating disk body 312 is driven to rotate forward or reverse after being energized by the aperture FPC coil structure, so that the aperture rotating disk body 312 drives the plurality of the aperture elastic blades 1 to rotate through the elastic blade rotating guide groove 112, and then the plurality of the aperture elastic blades 1 are arranged to form an aperture from large to small or from small to large, so as to improve the convenience of adjustment.

[0025] Furthermore, the aperture adjustment guide column 3121 is arranged on the aperture rotating disk body 312, and multiple aperture adjustment guide columns 3121 are designed at equal angles along the middle of the aperture rotating disk body 312, so that the aperture adjustment guide column 3121 can drive multiple aperture elastic blades 1 to rotate at equal angles to adjust the aperture, so as to improve the stability of the adjustment; the aperture rotating disk body 312 is also provided with a rotating magnet mounting part 3122, and the rotating magnet mounting part 3122 is symmetrically arranged on both sides of the aperture rotating disk body 312, and a rotating magnet mounting groove 31221 is provided on the inner side of the rotating magnet mounting part 3122; the aperture rotating magnet group is provided with a first aperture rotating magnet 3111, a second aperture rotating magnet 3112 The first aperture rotating magnet 3111 and the second aperture rotating magnet 3112 are respectively connected to the rotating magnet mounting grooves 31221 on both sides by magnet-specific glue, and the first aperture rotating magnet 3111 and the second aperture rotating magnet 3112 are axially limited by the rotating magnet mounting grooves 31221 to prevent the first aperture rotating magnet 3111 and the second aperture rotating magnet 3112 from being offset or falling off during the rotation process, affecting the normal operation of the aperture structure, so as to drive the aperture rotating disk body 312 to rotate stably and ensure the stability of operation; an aperture rotating disk light-through hole 3123 is also provided in the middle of the aperture rotating disk body 312 to ensure that light can pass through the aperture rotating disk light-through hole 3123 to enter the next component.

[0026] Furthermore, the aperture FPC coil structure is provided with an aperture FPC coil structure body 321, an aperture adjustment coil group, and an aperture reset magnet 323. The aperture FPC coil structure body 321 is provided with an FPC coil mounting portion 3211 and a reset magnet mounting portion 3212. The FPC coil mounting portion 3211 is arranged in a one-to-one correspondence with the rotating magnet mounting portion 3122. The aperture adjustment coil group is provided with a first aperture adjustment coil 3221 and a second aperture adjustment coil 3222. The first aperture adjustment coil 3221 and the second aperture adjustment coil 3222 are respectively connected to the FPC coil mounting portion 3211 by means of coil conductive glue or welding, and the first aperture adjustment coil 32 The first aperture adjusting coil 321 and the second aperture adjusting coil 3222 are respectively arranged corresponding to the first aperture rotating magnet 3111 and the second aperture rotating magnet 3112, the first aperture adjusting coil 3221 and the second aperture adjusting coil 3222 are energized to generate a driving magnetic field, and by controlling the magnitude of the current passing through the first aperture adjusting coil 3221 and the second aperture adjusting coil 3222, the driving magnetic field provides a reaction force to the first aperture rotating magnet 3111 and the second aperture rotating magnet 3112, so as to drive the aperture rotating disk to rotate and the plurality of aperture elastic blades 1 to rotate and adjust, so as to improve the convenience of automatic adjustment; the aperture reset magnet 323 is made of soft magnetic material, and in the embodiment of the present invention, it is preferably One, connected to the inner side of the reset magnet mounting portion 3212 by means of magnet-specific glue, so that after the first aperture adjustment coil 3221 and the second aperture adjustment coil 3222 are powered off, the aperture rotating disk can be reset by adsorbing the first aperture rotating magnet 3111 or the second aperture rotating magnet 3112 by means of the aperture reset magnet 323, thereby eliminating the need for a drive motor for reset, optimizing the structure, reducing the weight of the overall structure, and improving the convenience and environmental friendliness of automatic reset adjustment; the aperture FPC coil structure is also provided with a Hall sensor 324, which is connected to the first aperture adjustment coil 3221 or the second aperture adjustment coil 3222 to reset the aperture rotating disk by means of a magnetic field. The position of the sensing magnet is sensed, and then the rotation angle of the turntable is sensed to obtain the size of the opening formed by the multiple aperture elastic blades 1, thereby improving the accuracy of automatic aperture adjustment; the aperture FPC coil structure body 321 is also provided with a power connection port 3213 and a coil illumination through hole 3214, and the aperture FPC coil structure is connected to an external power supply through the power connection port 3213; the coil illumination through hole 3214 cooperates with the aperture turntable light hole 3123 to allow external light to enter, so as to adjust the amount of light passing through the multiple aperture elastic blades 1; the aperture FPC coil structure body 321 is made of flexible material to improve its adaptability and fatigue resistance and extend its service life.

[0027] Furthermore, the aperture support seat 2 is provided with an aperture support upper cover 21 and an aperture support fixing seat 22, the aperture drive module is connected to the aperture support fixing seat 22, and the aperture support upper cover 21 is connected to the aperture support fixing seat 22 to fasten the aperture drive module in the aperture support seat 2; the aperture support upper cover 21 and the aperture support fixing seat 22 are both made of heat-conducting materials to improve the overall heat dissipation performance of the aperture structure and ensure the long-term use of the aperture structure.

[0028] Furthermore, multiple aperture elastic blade connecting columns 225 are arranged at equal angles on the aperture support fixing seat 22, so that multiple aperture elastic blades 1 can be rotated uniformly after being connected, ensuring the accuracy of adjustment; the aperture support fixing seat 22 is provided with an FPC coil power wiring port mounting position 220, an aperture support upper cover mounting position 221, an aperture rotation disk limiting groove 222, an aperture FPC coil structure mounting position 223, an aperture FPC coil structure limiting column 224, an aperture elastic blade rotation limiting groove 226, and an aperture support upper cover fixing buckle 227; the aperture FPC coil structure body 321 is also provided with an FPC coil structure limiting column Matching hole 3215; the FPC coil mounting portion 3211 and the power wiring port 3213 are positioned and connected to the aperture support fixing seat 22 through the aperture FPC coil structure mounting position 223 and the FPC coil power wiring port mounting position 220 respectively, and are matched with the aperture FPC coil structure limiting column 224 through the FPC coil structure limiting column matching hole 3215, so that the aperture FPC coil structure is fixedly connected to the aperture support fixing seat 22, so as to ensure that the aperture FPC coil structure will not rotate due to the reaction force of the aperture adjustment coil group after power is turned on, thereby ensuring the stability of the aperture structure adjustment; The aperture rotating disk body 312 is connected to the aperture support fixing seat 22 through the aperture rotating disk limiting groove 222, and the aperture rotating disk body 312 is limited by the aperture rotating disk limiting groove 222 to prevent the aperture rotating disk body 312 from exceeding the maximum rotation range during rotation, thereby damaging the aperture structure and improving the reliability of the overall connection; The aperture drive module also includes an aperture component partition 33, on which an aperture component light-through hole 331 and a plurality of aperture component partition limiting holes 332 corresponding to the aperture adjustment guide posts 3121 are provided. The aperture component partition 33 is connected to the aperture adjustment guide posts 3121 through the aperture component partition limiting holes 332, so that the aperture component partition 33 is fixedly connected to the aperture rotating disk body 312 to separate the plurality of aperture elastic blades 1 from the aperture rotating disk body 312, which can not only reduce the friction between the plurality of aperture elastic blades 1 and the aperture rotating disk body 312, but also support the plurality of aperture elastic blades 1 to prevent the plurality of aperture elastic blades 1 from radially offsetting before and after adjustment, thereby affecting the stability of the aperture adjustment. The elastic blade rotation hole 111 is connected to the aperture elastic blade connection column 225, so that the plurality of aperture elastic blades 1 are rotatably connected to the aperture support fixing seat 22, and are limited by the aperture elastic blade rotation limiting groove 226; The aperture elastic blade rotation limit groove 226 is designed to imitate the aperture elastic blade to prevent the aperture elastic blade 1 from being damaged during rapid rotation and to prevent it from exceeding the maximum rotation range, thereby enhancing the durability of the aperture elastic blade 1; the aperture support upper cover 21 is fixedly connected to the aperture support fixing seat 22 through the aperture support upper cover mounting position 221 and the aperture support upper cover fixing buckle 227 to fasten the components of the aperture drive module to prevent the components from falling off during the adjustment process, thereby affecting the overall structural operation of the aperture structure; The aperture support and fixing seat 22 is also provided with an aperture turntable rotating protrusion 228 and a support and fixing seat light-through hole 229. The aperture rotating disk body 312 can abut against the aperture turntable rotating protrusion 228 to reduce the friction between the aperture rotating disk body 312 and the aperture support and fixing seat 22, thereby extending the service life of the aperture rotating disk body 312; the support and fixing seat light-through hole 229 can cooperate with the coil illumination through hole 3214 to ensure normal lighting, so as to facilitate the adjustment of the amount of light passing through.

[0029] Furthermore, the aperture support upper cover 21 is provided with an upper cover fixing buckle connection position 211 and an aperture support fixing seat positioning portion 212; the aperture support upper cover 21 is positioned and connected to the aperture support upper cover installation position 221 through the aperture support fixing seat positioning portion 212, and is connected to the aperture support upper cover fixing buckle 227 through the upper cover fixing buckle connection position 211 to fasten the aperture support upper cover 21 to the aperture support fixing seat 22; The aperture support upper cover 21 is also provided with an aperture elastic blade connecting column matching hole 213, an aperture adjustment guide column matching groove 214, an aperture elastic blade rotating protrusion 215, and an aperture upper cover light-through hole 216. The aperture support upper cover 21 is connected to the aperture elastic blade connecting column 225 through the aperture elastic blade connecting column matching hole 213 to fasten the plurality of aperture elastic blades 1 to the aperture support fixing seat 22 to ensure that no offset occurs during the adjustment process and to improve the reliability of the connection; the aperture adjustment guide column matching groove 214 can be connected to the aperture adjustment guide column 312 to match the aperture The rotating disk limit groove 222 limits the rotation of the aperture rotating disk body 312, thereby improving the accuracy and stability of the aperture structure adjustment; the aperture elastic blade rotating protrusion 215 can abut against the multiple aperture elastic blades 1 to prevent the radial displacement of the aperture elastic blades 1 during rotation, while reducing the friction with the aperture support cover 21, so as to improve the stability of the aperture adjustment of the multiple aperture elastic blades 1 and extend the service life of the multiple aperture elastic blades 1; the aperture cover light hole 216 cooperates with the multiple aperture elastic blades 1 to adjust the light throughput to ensure that the light throughput meets the requirements.

[0030] It should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but such information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, the "first" information may also be referred to as the "second" information, and similarly, the "second" information may also be referred to as the "first" information. In addition, the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. An aperture elastic blade, characterized in that: include: An elastic blade body (11) and an elastic blade limiting portion (12), wherein the elastic blade limiting portion (12) is connected to the elastic blade body (11), and the elastic blade body (11) is provided with an elastic blade rotation hole (111) and an elastic blade rotation guide groove (112); the elastic blade rotation hole (111) is rotationally connected to an aperture elastic blade connecting column (225) on an aperture structure, and the elastic blade rotation guide groove (112) is connected to an aperture adjustment guide column (3121) on the aperture structure to drive the elastic blade body (11) to rotate relative to the aperture structure to adjust the aperture; one end of the elastic blade limiting portion (12) is connected to the elastic blade body (11), and the other end is connected to the aperture structure to perform aperture limit adjustment on the elastic blade body (11).

2. The aperture elastic blade according to claim 1, characterized in that: The elastic blade limiting portion (12) is integrally formed with the elastic blade body (11), and the elastic blade limiting portion (12) is provided with an elastic fixing portion (121) and an elastic tensioning portion (122); the elastic tensioning portion (122) is provided with a first elastic straight-connecting end (1221), a second elastic straight-connecting end (1222), and a middle elastic deformation end (1223); one end of the middle elastic deformation end (1223) is connected to the first elastic straight-connecting end (1221), and the other end is connected to the second elastic straight-connecting end (1222). ) connected; the first elastic direct connection end (1221) is connected to the elastic blade body (11); the elastic fixing portion (121) is connected to the aperture structure and connected to the second elastic direct connection end (1222); the first elastic direct connection end (1221) and the second elastic direct connection end (1222) are respectively connected to the two sides of the middle elastic deformation end (1223) to form a limiting angle ɑ, and the middle elastic deformation end (1223) is driven to undergo elastic deformation through the change of the limiting angle ɑ to perform aperture limit adjustment.

3. The aperture elastic blade according to claim 2, characterized in that: The elastic fixing portion (121) is connected to an aperture elastic blade connecting column (225) adjacent to the elastic blade rotating hole (111) to perform aperture limit adjustment.

4. An automatically adjustable aperture structure, characterized in that: It comprises an aperture support seat (2), an aperture drive module, and an aperture elastic blade as described in claims 1 to 3.

5. The automatic adjustment aperture structure according to claim 4, characterized in that: The aperture drive module is connected in the aperture support seat (2), and the aperture drive module is provided with an aperture rotating disk and an aperture FPC coil structure; the aperture rotating disk is provided with an aperture rotating magnet group and an aperture rotating disk body (312), the aperture rotating magnet group is connected to the aperture rotating disk body (312), and a plurality of aperture elastic blades (1) are connected to the aperture support seat (2) through the elastic blade rotating holes (111); the aperture rotating disk body (312) is connected in the elastic blade rotating guide groove (112), and the aperture rotating disk body (312) is driven to rotate forward or reverse through the aperture FPC coil structure, so that the aperture rotating disk body (312) drives the plurality of aperture elastic blades (1) to rotate through the elastic blade rotating guide groove (112), thereby making the plurality of aperture elastic blades (1) surround an aperture from large to small or from small to large.

6. The automatic adjustment aperture structure according to claim 5, characterized in that: The aperture adjustment guide column (3121) is arranged on the aperture rotating disk body (312), and the aperture rotating disk body (312) is also provided with a rotating magnet mounting portion (3122), and the aperture rotating magnet group is connected to the rotating magnet mounting portion (3122) to drive the aperture rotating disk body (312) to rotate; the elastic blade rotation guide groove (112) is connected to the aperture adjustment guide column (3121) and adjusts the plurality of aperture elastic blades (1) as the aperture rotating disk body (312) rotates.

7. The automatic adjustment aperture structure according to claim 5, characterized in that: The aperture FPC coil structure is provided with an aperture FPC coil structure body (321), an aperture adjustment coil group, and an aperture reset magnet (323); the aperture FPC coil structure body (321) is provided with an FPC coil mounting portion (3211) and a reset magnet mounting portion (3212); the aperture adjustment coil group is connected to the FPC coil mounting portion (3211); the aperture rotating disk is rotationally adjusted by the aperture adjustment coil group; the aperture reset magnet (323) is connected to the reset magnet mounting portion (3212); the aperture rotating disk is reset by the aperture reset magnet (323).

8. The automatic adjustment aperture structure according to claim 6, characterized in that: The aperture support seat (2) is provided with an aperture support upper cover (21) and an aperture support fixing seat (22); the aperture drive module is connected to the aperture support fixing seat (22); the aperture support upper cover (21) is connected to the aperture support fixing seat (22) to fasten the aperture drive module within the aperture support seat (2).

9. The automatic adjustment aperture structure according to claim 8, characterized in that: The aperture elastic blade connecting column (225) is arranged on the aperture support fixing seat (22), and the aperture support fixing seat (22) is provided with an aperture support upper cover mounting position (221), an aperture rotating disk limiting groove (222), an aperture FPC coil structure mounting position (223), an aperture FPC coil structure limiting column (224), an aperture elastic blade rotating limiting groove (226), and an aperture support upper cover fixing buckle (227); the aperture FPC coil structure is fixedly connected to the aperture support fixing seat (22) via the aperture FPC coil structure mounting position (223) and the aperture FPC coil structure limiting column (224); the aperture rotating disk body (312) is connected to the aperture support fixing seat (22) via the aperture rotating disk limiting groove (222), and the aperture rotating disk is fixedly connected to the aperture FPC coil structure via the aperture FPC coil structure mounting position (223) and the aperture FPC coil structure limiting column (224). The aperture drive module further comprises an aperture component partition (33), wherein the aperture component partition (33) is connected to the aperture rotating disk body (312) via the aperture adjustment guide column (3121) to separate the plurality of aperture elastic blades (1) from the aperture rotating disk body (312); the elastic blade rotation hole (111) is connected to the aperture elastic blade connecting column (225), so that the plurality of aperture elastic blades (1) are rotatably connected to the aperture support fixing seat (22), and are limited by the aperture elastic blade rotation limiting groove (226); the aperture support upper cover (21) is fixedly connected to the aperture support fixing seat (22) via the aperture support upper cover mounting position (221) and the aperture support upper cover fixing buckle (227), so as to fasten the components of the aperture drive module.

10. The automatic adjustment aperture structure according to claim 9, characterized in that: The aperture support upper cover (21) is provided with an upper cover fixing buckle connection position (211) and an aperture support fixing seat positioning portion (212); the aperture support upper cover (21) is positioned and connected to the aperture support upper cover installation position (221) via the aperture support fixing seat positioning portion (212), and is connected to the aperture support upper cover fixing buckle (227) via the upper cover fixing buckle connection position (211) to fasten the aperture support upper cover (21) to the aperture support fixing seat (22).

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