CN212083786U - Multifunctional iris diaphragm device - Google Patents
Multifunctional iris diaphragm device Download PDFInfo
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- CN212083786U CN212083786U CN202020687328.6U CN202020687328U CN212083786U CN 212083786 U CN212083786 U CN 212083786U CN 202020687328 U CN202020687328 U CN 202020687328U CN 212083786 U CN212083786 U CN 212083786U
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- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 239000011159 matrix material Substances 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 16
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 description 2
- 241000463219 Epitheca Species 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a multifunctional iris diaphragm device, which comprises a shell component (1), a diaphragm component (2) and a lens fixing component (3); the utility model can be used as a diaphragm and a device of a lens fixing frame; when the diaphragm is used as a diaphragm, the scales (2-4-3) are observed, the worm (2-3) is driven by rotating the knob (2-4), and the plectrum disc (2-1) is driven to rotate through meshing, so that the size of an optical hole between the shading sliding blades (2-2) is controlled by utilizing the guide groove (2-1-2) of the plectrum disc; when the adjustable dial is used as a lens fixing frame, the unthreaded hole is adjusted to be the maximum, the adjusting knob (3-1) slides along the 1/3 annular groove (1-3-4) to drive the dial plate (3-2) to rotate, and the bent guide groove (3-2-3) of the dial plate (3-2) controls the lens fixing device (3-3) to inwards fold or outwards open; the whole structure is simple, the operation is convenient, and the reliability is good.
Description
Technical Field
The utility model relates to a precision instruments and mechanical technical field, in particular to multi-functional iris diaphragm device.
Background
In an exposure system, different imaging needs to correspond to different apertures to control the throughput of the beam. The design in the past is that the processing multi-disc has the diaphragm of different diameter apertures, need the diaphragm of different apertures of dismouting when carrying out corresponding experiment, and is extremely inconvenient. In order to solve the above problems, it is necessary to design a mechanical structure that can precisely control the size change of the diaphragm.
Patent publication No.: 102213891A discloses a structure which realizes mutual overlapping of blades through the combination of a plurality of groups of blade structures, thereby changing the aperture size, and the structure is characterized by exquisite structure and large difficulty in designing and processing the blades, and is not easy to measure the size of a diaphragm aperture with determined diameter.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above disadvantages existing in the prior art, the utility model provides a multifunctional iris diaphragm device, which can conveniently realize the change of multiple apertures.
The technical solution of the utility model is as follows: a multifunctional iris diaphragm device is characterized by comprising a shell component, a diaphragm component and a lens fixing component;
the shell assembly comprises an upper shell, a base, a lower cover and an inner hexagon bolt;
the upper shell is a grooved cylinder and cuboid combined structure and comprises an upper shell base body; an upper shell through hole is formed in the cylindrical middle position of the upper shell base body, two upper shell mounting through holes are formed in the position, close to the long end of the cuboid, of the middle position of the side face of the long end of the cuboid, two upper shell fixing threaded holes are formed in the middle position of the side face of the long end of the cuboid, an upper shell front end through hole is formed in the front end of the symmetrical center position, an upper shell combination groove is formed in the lower bottom face of the cuboid, and symmetrical upper shell stepped grooves are formed in the two sides of the bottom; two limiting lugs are arranged in the upper shell combination groove in the direction perpendicular to the symmetry line, and a lug is arranged at the front end in the upper shell combination groove; the side surface of the short side of the cuboid of the upper shell matrix is provided with a calibration scale mark, and the side surface of the front end is provided with an upper shell side square threaded hole;
the base is a double-slotted cylinder and single-slotted cuboid combined structure and comprises a base body; a base through hole is formed in the cylindrical center of the base matrix, two base mounting threaded holes are formed in the position, close to the long end of the cuboid, of the center of the side face of the long end of the cuboid, two base fixing threaded holes are formed in the position, in the center, of the side face of the long end of the cuboid, and symmetrical base stepped grooves are formed in the two sides of the bottom end of the cuboid; a section of base connecting thread is arranged at the position of the cylindrical lower end of the base matrix, a base front threaded hole is arranged at the most front end of the cylinder, and three rectangular grooves are uniformly distributed in the cylindrical bottom groove; the bottom surface of each rectangular groove is provided with a guide groove;
the lower cover is of a cylindrical structure and comprises a lower cover base body; an open slot is formed in the middle of the upper surface of the lower cover base body; a lower cover through hole is formed in the middle of the bottom surface of the opening groove, an 1/3 annular groove is formed in the bottom surface, and a section of internal thread is formed on the inner wall close to the upper end of the inner wall;
the diaphragm assembly comprises a shifting disc, a shading slip sheet, a worm, a knob, an axial fixing nut, a bearing and a carrying disc;
the disc-pulling plate is of a cylindrical structure and comprises a disc-pulling plate base body; twelve shifting sheet disc guide grooves are formed in the upper surface of the shifting sheet disc base body along the circumferential direction, a shifting sheet disc through hole is formed in the center of the shifting sheet disc base body, a section of tooth is arranged on the side surface of the shifting sheet disc base body, and a shifting sheet disc inner groove is formed in the bottom surface of the shifting sheet disc base body;
the shading slip sheet is of a triangular structure and comprises a triangular substrate; a cylindrical lug is arranged on the rear side of the upper surface of the triangular base body, and a cuboid lug is arranged on the rear side of the bottom surface;
the worm comprises a worm base; the surface of the worm base body is provided with an external thread;
the knob is of a stepped cylindrical structure and comprises a stepped shaft; the outer surface of the larger cylinder of the stepped shaft is provided with crossed fine grooves, the outer surface of the smaller cylinder is carved with scales near the front end, and the center of the front end surface of the smaller cylinder is provided with a mounting threaded hole;
the axial fixing nut is of a stepped cylindrical structure and comprises a small stepped shaft; the upper end face of the larger cylinder of the small stepped shaft is provided with a through groove, and the front end face of the smaller cylinder is provided with a threaded hole;
the carrying disc is of an oblate cylindrical structure and comprises a disc base body; a twelve-sided groove is formed in the upper surface of the disc base body, and a carrying disc through hole is formed in the middle of the disc base body;
the bearings are respectively sleeved at two ends of the worm and are arranged in the stepped groove of the base; the external thread of the worm is respectively connected with the mounting threaded hole of the knob and the threaded hole of the axial fixing nut; the worm body of the worm is meshed with the teeth of the plectrum disc;
the lens fixing component comprises an adjusting knob, a drive plate and a lens fixing device;
the stepped cylindrical structure of the adjusting knob comprises a cylindrical base body and a threaded cylinder; a plurality of vertical grooves are uniformly formed in the outer surface of the cylindrical base body along the circumferential direction;
the drive plate is provided with a slotted stepped cylindrical structure and comprises a drive plate base body; a circular groove is formed in the center of the upper end of the drive plate base body; three bent guide grooves are uniformly distributed on the bottom surface of the circular groove along the circumference, and a drive plate through hole is formed in the center of the circular groove; a section of cylindrical bulge extends out of the bottom end face of the drive plate base body; a driving plate threaded hole is formed in the center of the cylindrical bulge;
the lens fixing device comprises a sliding block, a supporting piece and a spring;
the slider includes a slider base; the upper surface of the slider base body close to the front end is provided with a long cylindrical lug, the lower bottom surface of the front end is provided with a short cylindrical lug, the center of the front end surface is provided with an annular groove, and the center of the rear end surface is provided with a connecting threaded hole;
the support is of a stepped cylindrical structure and comprises a support base body with threads; the front end surface of the large cylinder of the support member base body is provided with an arc-shaped groove;
the specific connection mode of the multifunctional iris diaphragm device is as follows:
the rectangular blocks of the shading sliding pieces are placed in twelve side grooves of the carrier disc, and triangular matrixes of the twelve shading sliding pieces are spliced into an approximate disc shape; the cylindrical lug of the shading sliding piece and the shifting piece disc mutually limit displacement through the shifting piece disc guide rail groove;
the sliding block and the supporting piece are connected with the supporting piece base body through the connecting threaded hole; one end of the spring is sleeved in the annular groove of the sliding block, and the other end of the spring is tightly attached to the inner side of the guide groove of the base; the short cylindrical projection of the sliding block is placed in the guide groove of the base; the long cylindrical convex block of the sliding block and the driving plate are mutually limited in displacement through the bent guide groove; the cylindrical protrusion of the drive plate is arranged in the 1/3 annular groove of the lower cover; the threaded cylinder of the adjusting knob is connected with the driving plate threaded hole of the driving plate;
the upper shell is fixedly connected with the base through an inner hexagon bolt which penetrates through the upper shell mounting through hole and then is connected with the base mounting threaded hole, and the inner hexagon bolt penetrates through the upper shell front end through hole and is connected with the base front end threaded hole; the lower cover is connected with the base connecting thread of the base through the internal thread; the connection of the upper shell, the base and the lower cover installs the components inside.
Further, twelve shading sliding sheets are adopted, and the purpose of the shading sliding sheets is that the light hole is closer to a circle.
Further, when the diaphragm is used as a diaphragm, the knob is rotated to drive the worm, and the plectrum disk is driven to rotate through meshing, so that the size of an optical hole between the shading sliding blades is controlled by utilizing the guide groove of the plectrum disk; when the adjustable dial plate is used as a lens fixing frame, the unthreaded hole is adjusted to the maximum, the adjusting knob slides along the 1/3 annular groove to drive the dial plate to rotate, and the bent guide groove of the dial plate controls the lens fixing component to inwards fold or outwards open.
Furthermore, when the adjustable diaphragm is used as a diaphragm, after the size of the unthreaded hole is adjusted, the adjusting knob is taken down, and the shifting piece disc is clamped through the threaded hole in the side of the upper shell, so that the change of the size of the unthreaded hole is prevented; when the adjusting knob is used as a lens fixing frame, the adjusting knob slides to the position where the lens is fixed, and then is rotated to push the carrying disc downwards, so that the purpose of preventing the lens from loosening and falling is achieved.
Furthermore, the scales of the knob correspond to the calibration scale marks of the upper shell, and the purpose of the knob is to facilitate zero setting and observation of the size of the unthreaded hole.
Furthermore, be equipped with two spacing lugs in the epitheca, its aim at prevents excessively rotatory knob and makes the tooth of plectrum dish and worm break away from the meshing.
Furthermore, the knob is provided with cross fine grooves and the adjusting knob is provided with vertical grooves, so that the knob is convenient to rotate and mount; the axial fixing nut is provided with a through groove, and the axial fixing nut is convenient to install at one end of the adjusting knob.
Furthermore, the upper shell fixing threaded hole and the base fixing threaded hole are respectively provided with two fixing threaded holes, and the device is used for achieving the stability of being installed on other optical platforms or supports.
Further, the support is a screw-connected detachable unit, the purpose of which is to select the support according to the lens of different thickness.
Furthermore, the lens fixing device is internally provided with a spring for providing elasticity after the lens is installed, so that looseness is prevented.
The utility model has the advantages that: providing a device that can be used as both a diaphragm and a lens holder; when the diaphragm is used as a diaphragm, scales are observed, the knob is rotated to drive the worm, and the plectrum disk is driven to rotate through meshing, so that the size of an optical hole between the shading sliding blades is controlled by utilizing the guide groove of the plectrum disk; when the lens fixing device is used as a lens fixing frame, the unthreaded hole is adjusted to be the maximum, the adjusting knob slides along the 1/3 annular groove to drive the driving plate to rotate, and the bent guide groove of the driving plate controls the lens fixing device to fold inwards or unfold outwards; the utility model has the advantages of simple structure, convenient operation, good reliability.
Drawings
FIG. 1 is a front perspective view of the multifunctional iris diaphragm apparatus of the present invention;
FIG. 2 is a perspective view of the bottom surface of the multifunctional iris diaphragm apparatus of the present invention;
fig. 3 is a front perspective view of the upper case of the present invention;
fig. 4 is a perspective view of the bottom surface of the upper case of the present invention;
FIG. 5 is a position view of the lateral screw hole of the upper shell of the present invention;
fig. 6 is a front perspective view of the base of the present invention;
fig. 7 is a perspective view of the bottom surface of the base of the present invention;
fig. 8 is a perspective view of the lower cover of the present invention;
fig. 9 is an installation view of the multifunctional iris diaphragm device of the present invention;
fig. 10 is a perspective view of the diaphragm assembly of the present invention;
fig. 11 is a perspective view of the carrier disc and the shading slip sheet according to the present invention;
fig. 12 is a perspective view of the pick tray of the present invention;
fig. 13 is a perspective view of the bottom surface of the pick tray of the present invention;
fig. 14 is a perspective view of the shading slider according to the present invention;
fig. 15 is a perspective view of the worm according to the present invention;
fig. 16 is a perspective view of the knob of the present invention;
fig. 17 is a perspective view of the axial fixing nut of the present invention;
fig. 18 is a perspective view of the boat of the present invention;
fig. 19 is a perspective view of the lens holder assembly of the present invention;
fig. 20 is a perspective view of the adjusting knob of the present invention;
fig. 21 is a perspective view of the dial of the present invention;
fig. 22 is a perspective view of the bottom surface of the dial of the present invention;
fig. 23 is a perspective view and a partial sectional view of the lens holder of the present invention;
fig. 24 is a perspective view of the slider according to the present invention;
fig. 25 is a perspective view of the support member of the present invention.
In the figure, 1, a housing assembly; 2. a diaphragm assembly; 3. a lens holding assembly;
1-1, upper shell; 1-2, a base; 1-3, a lower cover; 2-1, a plectrum disc; 2-2, shading slip sheets; 2-3, a worm; 2-4, a knob; 2-5, axially fixing a nut; 2-6, bearing; 2-7, carrying disc; 3-1, adjusting a knob; 3-2, driving plates; 3-3, a lens fixing device;
1-1-1, an upper shell matrix; 1-1-2, through holes of the upper shell; 1-1-3, installing a through hole on the upper shell; 1-1-4, fixing the threaded hole on the upper shell; 1-1-5, through holes at the front end of the upper shell; 1-1-6, an upper shell combination groove; 1-1-7, an upper shell stepped groove; 1-1-8, a limit bump; 1-1-9, bumps; 1-1-10, calibrating scale marks; 1-1-11, and a square threaded hole on the side of the upper shell; 1-2-1, a base substrate; 1-2-2, a base through hole; 1-2-3, installing a threaded hole on the base; 1-2-4, base fixing threaded holes; 1-2-5, a base stepped groove; 1-2-6, base connecting screw thread; 1-2-7, a threaded hole at the front end of the base; 1-2-8 of rectangular groove; 1-2-9, a guide groove; 1-3-1, a lower cover substrate; 1-3-2, open slot; 1-3-3, a lower cover through hole; 1-3-4, 1/3 annular grooves; 1-3-5, internal thread; 2-1-1, a plectrum disc substrate; 2-1-2, a plectrum plate guide rail groove; 2-1-3, through holes of the shifting plate; 2-1-4, teeth; 2-1-5, an inner groove of the plectrum plate; 2-2-1, triangular base body; 2-2-2, cylindrical bumps; 2-2-3, cuboid bumps; 2-3-1, a worm matrix; 2-3-2, external threads; 2-4-1, a stepped shaft; 2-4-2, cross-striations; 2-4-3, and scales; 2-4-4, installing a threaded hole; 2-5-1, small stepped shaft; 2-5-2, through grooves; 2-5-3, a threaded hole; 2-7-1, a disc substrate; 2-7-2, twelve-sided slot; 2-7-3, a carrying disc through hole; 3-1-1, cylindrical matrix; 3-1-2, vertical grooves; 3-1-3, thread cylinder; 3-2-1, a dial base; 3-2-2, circular groove; 3-2-3, a bent guide groove; 3-2-4, through holes of the driving plate; 3-2-5, cylindrical bulges; 3-2-6, a dial threaded hole; 3-3-1, a slide block; 3-3-2, a support; 3-3-3, a spring;
3-3-1-1, a slider substrate; 3-3-1-2 of long cylindrical bumps; 3-3-1-3, short cylindrical bumps; 3-3-1-4, ring groove; 3-3-1-5, connecting threaded holes; 3-3-2-1, a support member base; 3-3-2-2 and an arc groove.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1, 2 and 9:
a multifunctional iris diaphragm device is characterized by comprising a shell component 1, a diaphragm component 2 and a lens fixing component 3;
the shell component 1 comprises an upper shell 1-1, a base 1-2, a lower cover 1-3 and an inner hexagon bolt 1-4;
as shown in fig. 3, 4 and 5, the upper shell 1-1 is a slotted cylinder and cuboid combined structure, and includes an upper shell base 1-1-1; an upper shell through hole 1-1-2 is formed in the cylindrical centering position of the upper shell matrix 1-1-1, two upper shell mounting through holes 1-1-3 are formed in the position close to the long end of the cuboid, two upper shell fixing threaded holes 1-1-4 are formed in the centering position of the side face of the long end of the cuboid, an upper shell front end through hole 1-1-5 is formed in the front end of the symmetrical center, an upper shell combination groove 1-1-6 is formed in the lower bottom surface of the cuboid, and symmetrical upper shell stepped grooves 1-1-7 are formed in the two sides of the bottom end of the cuboid; two limiting lugs 1-1-8 are arranged in the upper shell combined groove 1-1-6 in the direction vertical to the symmetry line, and a lug 1-1-9 is arranged at the front end in the upper shell combined groove 1-1-6; the side surface of the short side of the cuboid of the upper shell matrix 1-1-1 is provided with a calibration scale mark 1-1-10, and the side surface of the front end is provided with an upper shell side square threaded hole 1-1-11;
as shown in fig. 6 and 7, the base 1-2 is a double-slotted cylinder and single-slotted cuboid combined structure, and includes a base substrate 1-2-1; a base through hole 1-2-2 is formed in the cylindrical center of the base matrix 1-2-1, two base mounting threaded holes 1-2-3 are formed in the position close to the long end of the cuboid, two base fixing threaded holes 1-2-4 are formed in the center of the side face of the long end of the cuboid, and symmetrical base stepped grooves 1-2-5 are formed in the two sides of the bottom end of the cuboid; the cylindrical lower end of the base matrix 1-2-1 is provided with a section of base connecting thread 1-2-6, the most front end of the cylinder is provided with a base front threaded hole 1-2-7, and three uniformly distributed rectangular grooves 1-2-8 are arranged in a cylindrical bottom groove; the bottom surfaces of the rectangular grooves 1-2-8 are respectively provided with a guide groove 1-2-9;
as shown in fig. 8, the lower cover 1-3 is a cylindrical structure and includes a lower cover substrate 1-3-1; an open slot 1-3-2 is formed in the middle of the upper surface of the lower cover substrate 1-3-1; a lower cover through hole 1-3-3 is arranged in the middle of the bottom surface of the open slot 1-3-2, an 1/3 annular groove 1-3-4 is arranged on the bottom surface, and a section of internal thread 1-3-5 is arranged on the inner wall close to the upper end;
as shown in fig. 10 and 11, the diaphragm assembly 2 includes a dial plate 2-1, a shading slide 2-2, a worm 2-3, a knob 2-4, an axial fixing nut 2-5, a bearing 2-6 and a carrier plate 2-7;
as shown in fig. 12 and 13, the plectrum disc 2-1 is a cylindrical structure and comprises a plectrum disc base body 2-1-1; twelve plectrum disc guide grooves 2-1-2 are formed in the upper surface of the plectrum disc base body 2-1-1 along the circumferential direction, a plectrum disc through hole 2-1-3 is formed in the middle of the plectrum disc base body, a section of tooth 2-1-4 is arranged on the side surface of the plectrum disc base body, and a plectrum disc inner groove 2-1-5 is formed in the bottom surface of the plectrum disc base body;
as shown in fig. 14, the light-shielding sliding piece 2-2 is a triangular structure, and comprises a triangular substrate 2-2-1; the rear side of the upper surface of the triangular substrate 2-2-1 is provided with a cylindrical bump 2-2-2, and the rear side of the bottom surface is provided with a cuboid bump 2-2-3;
as shown in fig. 15, the worm 2-3 includes a worm base 2-3-1; the surface of the worm matrix 2-3-1 is provided with an external thread 2-3-2;
as shown in fig. 16, the knob 2-4 has a stepped cylindrical structure, including a stepped shaft 2-4-1; the outer surface of a larger cylinder of the stepped shaft 2-4-1 is provided with a cross fine groove 2-4-2, the outer surface of a smaller cylinder is carved with scales 2-4-3 at the position close to the front end, and the middle position of the front end surface of the smaller cylinder is provided with a mounting threaded hole 2-4-4;
as shown in fig. 17, the axial fixing nut 2-5 is a stepped cylindrical structure including a small stepped shaft 2-5-1; the upper end face of the larger cylinder of the small stepped shaft 2-5-1 is provided with a through groove 2-5-2, and the front end face of the smaller cylinder is provided with a threaded hole 2-5-3;
as shown in fig. 18, the carrier disc 2-7 is of an oblate cylindrical structure and comprises a disc substrate 2-7-1; a twelve-sided groove 2-7-2 is formed on the disc substrate 2-7-1, and a carrying disc through hole 2-7-3 is formed in the middle;
as shown in fig. 10, the bearings 2-6 are respectively sleeved at two ends of the worm 2-3 and placed in the base stepped grooves 1-2-5 of the base 1-2; the external thread 2-3-2 of the worm 2-3 is respectively connected with the mounting threaded hole 2-4-4 of the knob 2-4 and the threaded hole 2-5-3 of the axial fixing nut 2-5; a worm matrix 2-3-1 of the worm 2-3 is meshed with teeth 2-1-4 of the plectrum disc 2-1;
as shown in fig. 19, the lens holding assembly 3 includes an adjustment knob 3-1, a dial 3-2 and a lens holding device 3-3;
as shown in FIG. 20, the adjusting knob 3-1 has a stepped cylindrical structure, which includes a cylindrical base 3-1-1 and a threaded cylinder 3-1-3; a plurality of vertical grooves 3-1-2 are uniformly formed in the outer surface of the cylindrical matrix 3-1-1 along the circumferential direction;
as shown in fig. 21, the dial 3-2 has a grooved stepped cylindrical structure including a dial base 3-2-1; a circular groove 3-2-2 is formed in the center of the upper end of the drive plate base body 3-2-1; three bent guide grooves 3-2-3 are uniformly distributed on the bottom surface of the circular groove 3-2-2 along the circumference, and a driving plate through hole 3-2-4 is formed in the center; a section of cylindrical bulge 3-2-5 extends out of the bottom end face of the drive plate base body 3-2-1; a dial plate threaded hole 3-2-6 is formed in the center of the cylindrical bulge 3-2-5;
as shown in fig. 23, the lens holder 3-3 includes a slider 3-3-1, a support 3-3-2, and a spring 3-3-3;
as shown in FIG. 24, the slider 3-3-1 includes a slider base 3-3-1-1; the upper surface of the slider matrix 3-3-1-1, which is close to the front end, is provided with a long cylindrical bump 3-3-1-2, the lower bottom surface of the front end is provided with a short cylindrical bump 3-3-1-3, the center of the front end surface is provided with an annular groove 3-3-1-4, and the center of the rear end surface is provided with a connecting threaded hole 3-3-1-5;
as shown in FIG. 25, the support member 3-3-2 is a stepped cylindrical structure including a threaded support member base 3-3-2-1; the front end face of the large cylinder of the support piece base body 3-3-2-1 is provided with an arc-shaped groove 3-3-2-2;
as shown in fig. 1, 10 and 19:
the specific connection mode of the multifunctional iris diaphragm device is as follows:
the cuboid lug 2-2-3 of the shading slip sheet 2-2 is placed in a twelve-sided groove 2-7-2 of the carrier disc 2-7, and the triangular matrixes 2-2-1 of the twelve shading slip sheets 2-2 are spliced into an approximate disc shape; the cylindrical lug 2-2-2 of the shading slip sheet 2-2 and the plectrum disc 2-1 limit displacement mutually through a plectrum disc guide rail groove 2-1-2;
the sliding block 3-3-1 and the support piece 3-3-2 are connected with the support piece base body 3-3-2-1 through a connecting threaded hole 3-3-1-5; one end of the spring 3-3-3 is sleeved in the annular groove 3-3-1-4 of the sliding block 3-3-1, and the other end is tightly attached to the inner side of the guide groove 1-2-9 of the base 1-2; the short cylindrical bump 3-3-1-3 of the sliding block 3-3-1 is placed in the guide groove 1-2-9 of the base 1-2; the long cylindrical convex block 3-3-1-2 of the sliding block 3-3-1 and the drive plate 3-2 limit displacement mutually through the bent guide groove 3-2-3; the cylindrical protrusion 3-2-5 of the drive plate 3-2 is arranged in the 1/3 annular groove 1-3-4 of the lower cover 1-3; the threaded cylinder 3-1-3 of the adjusting knob 3-1 is connected with a dial plate threaded hole 3-2-6 of the dial plate 3-2;
the upper shell 1-1 is fixedly connected with the base 1-2, and is connected with the base mounting threaded hole 1-2-3 after penetrating through the upper shell mounting through hole 1-1-3 through the inner hexagon bolt 1-4, and the inner hexagon bolt 1-4 is connected with the base front threaded hole 1-2-7 after penetrating through the upper shell front end through hole 1-1-5; the lower cover 1-3 is connected with a base connecting thread 1-2-6 of the base 1-2 through an internal thread 1-3-5; the connection of the upper shell 1-1, the base 1-2 and the lower cover 1-3 installs the components inside.
As shown in fig. 11, twelve light-shielding sliders 2-2 are used for the purpose of making the light hole more circular.
As shown in fig. 1 to 25:
when the device is used as a diaphragm, the knob 2-4 is rotated to drive the worm 2-3, and the plectrum disc 2-1 is driven to rotate through meshing, so that the size of an optical hole between the shading sliding blades 2-2 is controlled by utilizing the plectrum disc guide rail grooves 2-1-2; when the adjustable dial plate is used as a lens fixing frame, the unthreaded hole is adjusted to be the maximum, the adjusting knob 3-1 slides along the annular groove 1-3-4 of 1/3 to drive the dial plate 3-2 to rotate, and the bent guide groove 3-2-3 of the dial plate 3-2 controls the lens fixing component 3 to be folded inwards or unfolded outwards.
When the adjusting knob is used as a diaphragm, after the size of the unthreaded hole is adjusted, the adjusting knob 3-1 is taken down, and the plectrum plate 2-1 is clamped through the threaded hole 1-1-11 at the side of the upper shell 1-1, so that the change of the size of the unthreaded hole is prevented; when the adjusting knob 3-1 is used as a lens fixing frame, the adjusting knob is rotated to push the carrying disc 2-7 downwards after the adjusting knob slides to fix the lens, and the purpose is to prevent the lens from loosening and falling.
The scales 2-4-3 of the knob 2-4 correspond to the calibration scale lines 1-1-10 of the upper shell 1-1, and the purpose is to facilitate zero setting and observation of the size of the light hole.
Two limiting lugs 1-1-8 are arranged in the upper shell 1-1, and the purpose is to prevent the teeth 2-1-4 of the plectrum disc 2-1 from being disengaged from the worm 2-3 by excessively rotating the knob 2-4.
The knob 2-4 is provided with cross fine grooves 2-4-2 and the adjusting knob 3-1 is provided with vertical grooves 3-1-2, so that the knob is convenient to rotate and mount; the axial fixing nut 2-5 is provided with a through groove 2-5-2, and the axial fixing nut is convenient to install at one end of the adjusting knob 3-1.
The upper shell fixing threaded holes 1-1-4 and the base fixing threaded holes 1-2-4 are respectively provided with two fixing threaded holes, and the purpose is to achieve the stability of the device installed on other optical platforms or supports.
The support 3-3-2 is a screw-connected detachable unit, the purpose of which is to select the support 3-3-2 according to the different thicknesses of the lenses.
The lens fixing device 3-3 is internally provided with a spring 3-3-3, and the purpose of the spring is to provide elasticity for the lens after being installed and prevent the lens from loosening.
The utility model provides a device which can be used as a diaphragm and a lens fixing frame; when the diaphragm is used as a diaphragm, the scales 2-4-3 are observed, the worm 2-3 is driven by rotating the knob 2-4, and the plectrum disc 2-1 is driven to rotate through meshing, so that the size of an optical hole between the shading sliding pieces 2-2 is controlled by utilizing the plectrum disc guide rail grooves 2-1-2; when the adjustable dial is used as a lens fixing frame, the unthreaded hole is adjusted to be the maximum, the adjusting knob 3-1 slides along the annular groove 1-3-4 of 1/3 to drive the dial plate 3-2 to rotate, and the bent guide groove 3-2-3 of the dial plate 3-2 controls the lens fixing device 3-3 to inwards fold or outwards open; the whole structure is simple, the operation is convenient, and the reliability is good.
Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.
Claims (10)
1. A multifunctional iris diaphragm device is characterized by comprising a shell component (1), a diaphragm component (2) and a lens fixing component (3);
the shell component (1) comprises an upper shell (1-1), a base (1-2), a lower cover (1-3) and an inner hexagon bolt (1-4);
the upper shell (1-1) is a grooved cylinder and cuboid combined structure and comprises an upper shell base body (1-1-1); an upper shell through hole (1-1-2) is formed in the cylindrical centering position of the upper shell base body (1-1-1), two upper shell mounting through holes (1-1-3) are formed in the position close to the long end of the cuboid, two upper shell fixing threaded holes (1-1-4) are formed in the centering position of the side face of the long end of the cuboid, an upper shell front end through hole (1-1-5) is formed in the front end of the symmetrical center position, an upper shell combination groove (1-1-6) is formed in the lower bottom face of the cuboid, and symmetrical upper shell stepped grooves (1-1-7) are formed in the two sides of the bottom end of the cuboid; two limiting lugs (1-1-8) are arranged in the upper shell combined groove (1-1-6) in the direction perpendicular to the symmetry line, and the front end in the upper shell combined groove (1-1-6) is provided with a lug (1-1-9); the side surface of the short side of the cuboid of the upper shell matrix (1-1-1) is provided with a calibration scale mark (1-1-10), and the side surface of the front end is provided with an upper shell side threaded hole (1-1-11);
the base (1-2) is a double-slotted cylinder and single-slotted cuboid combined structure and comprises a base matrix (1-2-1); a base through hole (1-2-2) is formed in the cylindrical center of the base matrix (1-2-1), two base mounting threaded holes (1-2-3) are formed in the position close to the long end of the cuboid, two base fixing threaded holes (1-2-4) are formed in the center of the side face of the long end of the cuboid, and symmetrical base stepped grooves (1-2-5) are formed in two sides of the bottom end of the cuboid; a section of base connecting thread (1-2-6) is arranged at the cylindrical lower end of the base matrix (1-2-1), a base front threaded hole (1-2-7) is arranged at the most front end of the cylinder, and three uniformly distributed rectangular grooves (1-2-8) are formed in the cylindrical bottom end groove; the bottom surfaces of the rectangular grooves (1-2-8) are respectively provided with a guide groove (1-2-9);
the lower cover (1-3) is of a cylindrical structure and comprises a lower cover base body (1-3-1); an open slot (1-3-2) is formed in the middle of the upper surface of the lower cover base body (1-3-1); a lower cover through hole (1-3-3) is formed in the center of the bottom surface of the open slot (1-3-2), an 1/3 annular groove (1-3-4) is formed in the bottom surface, and a section of internal thread (1-3-5) is arranged on the inner wall close to the upper end;
the diaphragm assembly (2) comprises a shifting disc (2-1), a shading slip sheet (2-2), a worm (2-3), a knob (2-4), an axial fixing nut (2-5), a bearing (2-6) and a carrying disc (2-7);
the disc-pulling disc (2-1) is of a cylindrical structure and comprises a disc-pulling disc base body (2-1-1); twelve shifting piece disc guide rail grooves (2-1-2) are formed in the upper surface of the shifting piece disc base body (2-1-1) along the circumferential direction, a shifting piece disc through hole (2-1-3) is formed in the middle of the shifting piece disc base body, a section of tooth (2-1-4) is arranged on the side surface of the shifting piece disc base body, and a shifting piece disc inner groove (2-1-5) is formed in the bottom surface of the shifting piece disc base body;
the shading slip sheet (2-2) is of a triangular structure and comprises a triangular substrate (2-2-1); the rear side of the upper surface of the triangular substrate (2-2-1) is provided with a cylindrical bump (2-2-2), and the rear side of the bottom surface is provided with a cuboid bump (2-2-3);
the worm (2-3) comprises a worm base body (2-3-1); the surface of the worm matrix (2-3-1) is provided with an external thread (2-3-2);
the knob (2-4) is of a stepped cylindrical structure and comprises a stepped shaft (2-4-1); the outer surface of a larger cylinder of the stepped shaft (2-4-1) is provided with a cross fine groove (2-4-2), the outer surface of a smaller cylinder is carved with a scale (2-4-3) close to the front end, and the center of the front end surface of the smaller cylinder is provided with a mounting threaded hole (2-4-4);
the axial fixing nut (2-5) is of a stepped cylindrical structure and comprises a small stepped shaft (2-5-1); the upper end face of the larger cylinder of the small stepped shaft (2-5-1) is provided with a through groove (2-5-2), and the front end face of the smaller cylinder is provided with a threaded hole (2-5-3);
the carrying disc (2-7) is of a flat cylindrical structure and comprises a disc base body (2-7-1); a twelve-sided groove (2-7-2) is formed on the disc substrate (2-7-1), and a disc carrying through hole (2-7-3) is formed in the middle;
the bearings (2-6) are respectively sleeved at two ends of the worm (2-3) and placed in the base stepped groove (1-2-5) of the base (1-2); the external thread (2-3-2) of the worm (2-3) is respectively connected with the mounting threaded hole (2-4-4) of the knob (2-4) and the threaded hole (2-5-3) of the axial fixing nut (2-5); a worm matrix (2-3-1) of the worm (2-3) is meshed with teeth (2-1-4) of the plectrum disc (2-1);
the lens fixing component (3) comprises an adjusting knob (3-1), a dial (3-2) and a lens fixing device (3-3);
the stepped cylindrical structure of the adjusting knob (3-1) comprises a cylindrical base body (3-1-1) and a threaded cylinder (3-1-3); a plurality of vertical grooves (3-1-2) are uniformly formed in the outer surface of the cylindrical base body (3-1-1) along the circumferential direction;
the drive plate (3-2) is provided with a grooved stepped cylindrical structure and comprises a drive plate base body (3-2-1); a circular groove (3-2-2) is formed in the center of the upper end of the drive plate base body (3-2-1); three bent guide grooves (3-2-3) are uniformly distributed on the bottom surface of the circular groove (3-2-2) along the circumference, and a driving plate through hole (3-2-4) is formed in the middle of the circular groove; a section of cylindrical bulge (3-2-5) extends out of the bottom end surface of the drive plate base body (3-2-1); a dial plate threaded hole (3-2-6) is formed in the center of the cylindrical bulge (3-2-5);
the lens fixing device (3-3) comprises a sliding block (3-3-1), a supporting piece (3-3-2) and a spring (3-3-3);
the sliding block (3-3-1) comprises a sliding block base body (3-3-1-1); the upper surface of the slider base body (3-3-1-1) close to the front end is provided with a long cylindrical lug (3-3-1-2), the lower bottom surface of the front end is provided with a short cylindrical lug (3-3-1-3), the center of the front end surface is provided with an annular groove (3-3-1-4), and the center of the rear end surface is provided with a connecting threaded hole (3-3-1-5);
the support piece (3-3-2) is of a stepped cylindrical structure and comprises a support piece base body (3-3-2-1) with threads; the front end face of the large cylinder of the support piece base body (3-3-2-1) is provided with an arc-shaped groove (3-3-2-2);
the specific connection mode of the multifunctional iris diaphragm device is as follows:
the cuboid convex blocks (2-2-3) of the shading slip sheets (2-2) are placed in twelve side grooves (2-7-2) of the carrying disc (2-7), and triangular matrixes (2-2-1) of the twelve shading slip sheets (2-2) are spliced into an approximate disc shape; the cylindrical lug (2-2-2) of the shading slip sheet (2-2) and the plectrum disc (2-1) limit displacement mutually through a plectrum disc guide rail groove (2-1-2);
the sliding block (3-3-1) and the supporting piece (3-3-2) are connected with the supporting piece base body (3-3-2-1) through a connecting threaded hole (3-3-1-5); one end of the spring (3-3-3) is sleeved in the annular groove (3-3-1-4) of the sliding block (3-3-1), and the other end of the spring is tightly attached to the inner side of the guide groove (1-2-9) of the base (1-2); the short cylindrical bump (3-3-1-3) of the sliding block (3-3-1) is placed in the guide groove (1-2-9) of the base (1-2); the long cylindrical convex block (3-3-1-2) of the sliding block (3-3-1) and the driving plate (3-2) limit displacement mutually through the bent guide groove (3-2-3); the cylindrical protrusion (3-2-5) of the driving plate (3-2) is arranged in the 1/3 annular groove (1-3-4) of the lower cover (1-3); the threaded cylinder (3-1-3) of the adjusting knob (3-1) is connected with a dial plate threaded hole (3-2-6) of the dial plate (3-2);
the upper shell (1-1) is fixedly connected with the base (1-2) through an inner hexagonal bolt (1-4) which penetrates through the upper shell mounting through hole (1-1-3) and then is connected with the base mounting threaded hole (1-2-3), and the inner hexagonal bolt (1-4) penetrates through the upper shell front end through hole (1-1-5) and is connected with the base front end threaded hole (1-2-7); the lower cover (1-3) is connected with a base connecting thread (1-2-6) of the base (1-2) through an internal thread (1-3-5); the components are arranged inside the upper shell (1-1), the base (1-2) and the lower cover (1-3) through connection.
2. The multifunctional iris apparatus of claim 1, wherein: twelve shading sliding pieces (2-2) are adopted, and the purpose of the shading sliding pieces is that the light holes are closer to a circle.
3. The multifunctional iris apparatus of claim 1, wherein: when the diaphragm is used as a diaphragm, the knob (2-4) is rotated to drive the worm (2-3), and the plectrum disc (2-1) is driven to rotate through meshing, so that the size of an unthreaded hole between the shading sliding pieces (2-2) is controlled by utilizing the guide groove (2-1-2) of the plectrum disc; when the adjusting knob is used as a lens fixing frame, the unthreaded hole is adjusted to be the largest, the adjusting knob (3-1) slides along the 1/3 annular groove (1-3-4) to drive the driving plate (3-2) to rotate, and the bent guide groove (3-2-3) of the driving plate (3-2) controls the lens fixing component (3) to inwards fold or outwards open.
4. The multifunctional iris apparatus of claim 1, wherein: when the adjusting knob is used as a diaphragm, after the size of the unthreaded hole is adjusted, the adjusting knob (3-1) is taken down, and the plectrum plate (2-1) is clamped through the threaded hole (1-1-11) on the side of the upper shell (1-1), so that the change of the size of the unthreaded hole is prevented; when the adjusting knob (3-1) is used as a lens fixing frame, the adjusting knob (3-1) slides until the lens is fixed, and then is rotated to push the carrying disc (2-7) downwards, so that the purpose of preventing the lens from loosening and falling is achieved.
5. The multifunctional iris apparatus of claim 1, wherein: the scales (2-4-3) of the knob (2-4) correspond to the calibration scale marks (1-1-10) of the upper shell (1-1), and the purpose is to facilitate zero setting and observation of the size of the light hole.
6. The multifunctional iris apparatus of claim 1, wherein: two limiting lugs (1-1-8) are arranged in the upper shell (1-1) and aim to prevent the teeth (2-1-4) of the plectrum disc (2-1) from being disengaged from the worm (2-3) due to over-rotation of the knob (2-4).
7. The multifunctional iris apparatus of claim 1, wherein: the knob (2-4) is provided with cross fine grooves (2-4-2) and the adjusting knob (3-1) is provided with vertical grooves (3-1-2), so that the knob is convenient to rotate and mount; the axial fixing nut (2-5) is provided with a through groove (2-5-2) and is convenient to install at one end of the adjusting knob (3-1).
8. The multifunctional iris apparatus of claim 1, wherein: the upper shell fixing threaded holes (1-1-4) and the base fixing threaded holes (1-2-4) are respectively provided with two fixing threaded holes, and the purpose is to achieve the stability of the device installed on other optical platforms or supports.
9. The multifunctional iris apparatus of claim 1, wherein: the support (3-3-2) is a screw-connected detachable unit, the purpose of which is to select the support (3-3-2) according to the different thicknesses of the lenses.
10. The multifunctional iris apparatus of claim 1, wherein: the lens fixing device (3-3) is internally provided with a spring (3-3-3) for providing elasticity for the lens after being installed and preventing looseness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020687328.6U CN212083786U (en) | 2020-04-29 | 2020-04-29 | Multifunctional iris diaphragm device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020687328.6U CN212083786U (en) | 2020-04-29 | 2020-04-29 | Multifunctional iris diaphragm device |
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| Publication Number | Publication Date |
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| CN212083786U true CN212083786U (en) | 2020-12-04 |
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| CN202020687328.6U Expired - Fee Related CN212083786U (en) | 2020-04-29 | 2020-04-29 | Multifunctional iris diaphragm device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399160A (en) * | 2020-04-29 | 2020-07-10 | 宁波大学科学技术学院 | Multifunctional iris diaphragm device |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399160A (en) * | 2020-04-29 | 2020-07-10 | 宁波大学科学技术学院 | Multifunctional iris diaphragm device |
| CN111399160B (en) * | 2020-04-29 | 2024-04-09 | 宁波大学科学技术学院 | Multifunctional iris diaphragm device |
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