CN210720987U

CN210720987U - Multispectral optical filter switching equipment of camera

Info

Publication number: CN210720987U
Application number: CN201921855527.7U
Authority: CN
Inventors: 余辉; 余健
Original assignee: Nanjing Longyou Electromechanical Equipment Co Ltd
Current assignee: Nanjing Longyou Electromechanical Equipment Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-09
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a multispectral optical filter switching equipment of a camera, which relates to the technical field of optical filter switching equipment of cameras, and comprises a switching cylinder, a first ring, a second ring and a clamping piece, wherein the first ring and the second ring are clamped into the switching cylinder, the first ring is parallel to the left side of the second ring, and the clamping piece is provided with two clamping pieces and is movably connected with the two sides of the middle part above the switching cylinder; the upper side and the lower side of the outer wall of the switching cylinder are respectively provided with two semicircular grooves which correspond to each other up and down, the first circular ring and the second circular ring are clamped into each two semicircular grooves which correspond to each other up and down, the right sides of the first circular ring and the second circular ring are respectively provided with a circular groove, the first circular ring and the second circular ring both comprise a rotating disc and an optical filter, and the rotating disc is clamped into the circular grooves; the beneficial effects of the utility model reside in that: the number of the optical filters which can be stored at one time of the switching equipment is increased/the optical filters are convenient to fix, and displacement is avoided.

Description

Multispectral optical filter switching equipment of camera

Technical Field

The utility model belongs to the technical field of camera light filter switching equipment technique and specifically relates to a multispectral light filter switching equipment of camera is related to.

Background

Filters are optical devices used to select a desired wavelength band of radiation. The common property of the optical filters is that no optical filter can make the imaging of the celestial body brighter, because all the optical filters can absorb certain wavelengths, so that the object becomes darker, the conventional switching equipment has too few optical filters which can be stored at one time, so that the phenomenon of insufficient optical filter selection often occurs in the photographing process, and the optical filters are not easy to fix and move after being adjusted.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the quantity that present switching device light filter probably stored is too few and the light filter is difficult for fixing, the utility model aims at providing a multispectral light filter switching device of camera.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the multispectral optical filter switching equipment of the camera comprises a switching cylinder, a first circular ring, a second circular ring and clamping pieces, wherein the first circular ring and the second circular ring are clamped in the switching cylinder, the first circular ring is parallel to the left side of the second circular ring, and the two clamping pieces are movably connected to two sides of the middle part above the switching cylinder;

the switching cylinder is characterized in that two semicircular grooves which correspond up and down are formed in the upper side and the lower side of the outer wall of the switching cylinder, the first circular ring and the second circular ring are clamped into every two semicircular grooves which correspond up and down, the circular grooves are formed in the right sides of the first circular ring and the second circular ring, the first circular ring and the second circular ring respectively comprise a rotating disk and optical filters, the rotating disk is clamped into the circular grooves, the four optical filters are attached to the periphery of the outer surface of the rotating disk in an annular equidistant mode, the first circular ring and the second circular ring are arranged in a staggered mode, a through hole is formed in the center of the outer surface of the rotating disk, a rotating shaft penetrates through the through hole, a threaded hole is formed in the surface of the right end of the rotating shaft;

the clamping piece comprises a clamping head, a vertical plate, a pulling plate, a connecting rod and a reset spring, the vertical plate vertically upwards sleeves the middle part of the outer side of the clamping head and is close to the right end, the pulling plate is vertically welded to the middle position of the top of the vertical plate, the connecting rod is horizontally fixed to the right end of the clamping head, the reset spring is horizontally fixed to the right end of the connecting rod, and the reset spring is connected with the clamping head into a whole through the connecting rod.

Preferably, the first ring and the second ring are both rotationally connected with the rotating shaft, and the screw cap is attached to the center of the right side of the rotating disc in the second ring.

Preferably, the printing opacity piece has been gone into to the middle card of switching section of thick bamboo right-hand member, just the pivot left end is fixed in the middle of switching section of thick bamboo inner wall left side, the pivot right-hand member is laminated in printing opacity piece inner wall central point and is put.

Preferably, two notches which are respectively parallel to the right sides of the two semicircular grooves are formed in the middle of the upper surface of the switching cylinder, and the left ends of the notches are communicated with the right sides of the inner walls of the semicircular grooves.

Preferably, the fastener is blocked into the notch from left to right, and makes the reset spring right-hand member is laminated with notch inner wall right side, just the dop left end flushes with the notch left end, just the riser top pass the notch top and with switch a section of thick bamboo swing joint around, two the fastener is on a parallel with ring one and two right side top positions of ring.

Preferably, the upper and lower side edge positions of the left end of the switching cylinder are respectively fixed with a thread semi-ring.

Compared with the prior art, the utility model discloses the beneficial effect who realizes: the user holds the upper end and the lower end of the first ring or the second ring by hand and forcibly rotates the first ring or the second ring clockwise or anticlockwise along the rotating shaft, and the optical filters in the two rotating disks are arranged in a staggered manner, so that the user can rotate and adjust the optical filters more conveniently, the overlapping phenomenon is avoided, the number of the optical filters in the switching cylinder can be increased, the optical filters are not influenced at all during use, the design is simple, convenient and quick, and the daily requirements of a camera user are greatly met;

after using the rotational position who has adjusted ring one or ring two, utilize reset spring's elasticity, alright with pulling arm with riser and dop to the left side pulling, the left end of dop also will slowly block into the circular slot inner wall top of ring one or ring two, and ring one or ring two alright block through the dop, the phenomenon of displacement is avoided appearing, because ring one or ring two are mobilizable, so can force the length after reset spring is tensile through torsion wherein and fix, when needs take out the fastener from ring one or ring two, only need pull the arm-tie with whole dop to the right side pulling can.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

fig. 1 is a schematic view of a three-dimensional structure of a switching cylinder of the present invention;

FIG. 2 is a schematic perspective view of a first ring and a second ring of the present invention;

fig. 3 is a schematic view of the overall plane structure of the present invention;

fig. 4 is a schematic view of the local structure of the fastener a of the present invention.

The labels in the figure are: the switching tube 1, the threaded semi-ring 101, the semi-circular groove 102, the light-transmitting sheet 103, the notch 104, the first ring 2, the second ring 201, the circular groove 202, the rotary disk 203, the optical filter 204, the through hole 205, the rotating shaft 206, the threaded hole 207, the nut 208, the clamping piece 3, the clamping head 301, the vertical plate 302, the pulling plate 303, the connecting rod 304 and the return spring 305.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 4, it should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left" and "right" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention unless otherwise specified.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the multispectral optical filter switching equipment of the camera comprises a switching cylinder 1, a first ring 2, a second ring 201 and a clamping piece 3, wherein the first ring 2 and the second ring 201 are clamped in the switching cylinder 1, the first ring 2 is parallel to the left side of the second ring 201, the clamping piece 3 is provided with two clamping pieces and is movably connected to two sides of the middle of the upper part of the switching cylinder 1, the number of optical filters 204 stored in the switching cylinder 1 can be increased through the first ring 2 and the second ring 201, and the first ring 2 and the second ring 201 can be fixed through the clamping piece 3;

in the embodiment of the utility model, the upper and lower sides of the outer wall of the switching cylinder 1 are both provided with two semicircular grooves 102 corresponding to each other up and down, the first ring 2 and the second ring 201 are clamped into every two semicircular grooves 102 corresponding to each other up and down, the right sides of the first ring 2 and the second ring 201 are both provided with circular grooves 202, the first ring 2 and the second ring 201 both comprise a rotary disk 203 and optical filters 204, the rotary disk 203 is clamped into the circular grooves 202, the optical filters 204 are provided with four circular equidistant fitting parts around the outer surface of the rotary disk 203, the first ring 2 and the optical filters 204 in the second ring 201 are arranged in a staggered manner, the center of the outer surface of the rotary disk 203 is provided with a through hole 205, a rotary shaft 206 penetrates through the through hole 205, the surface of the right end of the rotary shaft 206 is provided with a threaded hole 207, the right end of the rotary shaft 206 is in threaded connection with a nut 208, the first ring 2 and the second ring 201 are both rotatably connected with the rotary, the light transmission sheet 103 is clamped in the middle of the right end of the switching tube 1, the left end of the rotating shaft 206 is fixed in the middle of the left side of the inner wall of the switching tube 1, the right end of the rotating shaft 206 is attached to the central position of the inner wall of the light transmission sheet 103,

firstly, the rotating shaft 206 is taken out of the first ring 2 and the second ring 201, then the two semicircular grooves 102 corresponding to the upper part and the lower part of the switching tube 1 are utilized, a user inserts the bottoms of the first ring 2 and the second ring 201 into the semicircular grooves 102 from top to bottom respectively, the upper side and the lower side of the outer walls of the first ring 2 and the second ring 201 are exposed outside the semicircular grooves 102 respectively, then the light-transmitting sheet 103 is taken out of the switching tube 1, then the rotating shaft 206 can be inserted into the through hole 205, the screw cap 208 is screwed into the threaded hole 207, the left end of the rotating shaft 206 is fixedly welded with the left end of the inner wall of the switching tube 1, so that the rotating shaft 206 can be fixed in the switching tube 1, the user can conveniently rotate the first ring 2 and the second ring 201 along the rotating shaft 206, then the light-transmitting sheet 103 is re-installed in the switching tube 1, and in the using process, the user can hold the upper end and the lower end of the first ring 2 or the second ring 201 with, the first ring 2 or the second ring 201 is forcibly rotated clockwise or counterclockwise along the rotating shaft 206, and the optical filters 204 in the two rotating discs 203 are arranged in a staggered manner, so that the optical filters 204 can be more conveniently rotated and adjusted by a user, the overlapping phenomenon is avoided, in addition, the number of the optical filters 204 in the switching cylinder 1 can be increased, the optical filters are not influenced when in use, the design is simple, convenient and rapid, and the requirement of the daily optical filters 204 of a camera user is greatly met;

in the embodiment of the present invention, the clamping member 3 comprises a clamping head 301, a vertical plate 302, a pulling plate 303, a connecting rod 304 and a return spring 305, wherein the vertical plate 302 is vertically upward and sleeved at the middle part of the outer side of the clamping head 301 close to the right end, the pulling plate 303 is vertically welded at the middle position of the top of the vertical plate 302, the connecting rod 304 is horizontally fixed at the right end of the clamping head 301, the return spring 305 is horizontally fixed at the right end of the connecting rod 304, the return spring 305 is connected with the clamping head 301 into a whole through the connecting rod 304, two notches 104 which are respectively parallel to the right sides of the two half slots 102 are opened in the middle of the upper surface of the switching tube 1, the left end of the notch 104 is communicated with the right side of the inner wall of the half slot 102, the clamping member 3 is clamped into the notch 104 from left to right, the right end of the return spring 305 is fixed, the two clamping pieces 3 are parallel to the upper positions of the right sides of the first ring 2 and the second ring 201,

after the rotation position of the first ring 2 or the second ring 201 is adjusted, the pulling plate 303 can be pulled, because the top of the vertical plate 302 passes through the upper part of the notch 104 and is movably connected with the switching cylinder 1 in the front-back direction, the vertical plate 302 and the chuck 301 are pulled to the left side, and a user can pull the reset spring 305 by using the elastic force of the reset spring 305, during the pulling process, the left end of the chuck 301 can be slowly clamped into the upper part of the inner wall of the circular groove 202 of the first ring 2 or the second ring 201, and the first ring 2 or the second ring 201 can be clamped by the chuck 301, so that the displacement phenomenon is avoided, and the chuck 301 is clamped on the inner wall of the circular groove 202, because the first ring 2 or the second ring 201 is movable, the stretched length of the reset spring 305 can be forcibly fixed by the torsion force therein, when the clamping piece 3 needs to be pulled out from the first ring 2 or the second ring 201, the whole clamping head 301 is pulled to the right side only by pulling the pull plate 303;

in this embodiment, the upper and lower side edge positions of the left end of the switching cylinder 1 are fixed with the threaded half rings 101, and the user can conveniently connect the switching cylinder 1 to the lens of the camera by the threaded half rings 101.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a multispectral light filter switching equipment of camera, includes a switching section of thick bamboo (1), ring one (2), ring two (201) and fastener (3), ring one (2) and ring two (201) all block in the switching section of thick bamboo (1), just ring one (2) are on a parallel with ring two (201) left side, fastener (3) are equipped with two and swing joint in switching section of thick bamboo (1) top middle part both sides, its characterized in that:

the upper side and the lower side of the outer wall of the switching barrel (1) are provided with two semicircular grooves (102) which correspond up and down, the first ring (2) and the second ring (201) are clamped into every two semicircular grooves (102) which correspond up and down, the right sides of the first ring (2) and the second ring (201) are provided with circular grooves (202), the first ring (2) and the second ring (201) comprise a rotating disk (203) and an optical filter (204), the rotating disk (203) is clamped into the circular grooves (202), the optical filters (204) are provided with four optical filters and are attached to the periphery of the outer surface of the rotating disk (203) in an annular equal distance mode, the first ring (2) and the optical filters (204) in the second ring (201) are arranged in a staggered mode, a through hole (205) is formed in the center of the outer surface of the rotating disk (203), a rotating shaft (206) penetrates through the through hole (205), and a threaded hole (207) is formed in the surface of the right end of the rotating shaft (, a nut (208) is connected to the right end of the rotating shaft (206) in a threaded manner;

the clamping piece (3) comprises a clamping head (301), a vertical plate (302), a pulling plate (303), a connecting rod (304) and a reset spring (305), the vertical plate (302) vertically upwards sleeves the middle part of the outer side of the clamping head (301) close to the right end, the pulling plate (303) is vertically welded in the middle position of the top of the vertical plate (302), the connecting rod (304) is horizontally fixed at the right end of the clamping head (301), the reset spring (305) is horizontally fixed at the right end of the connecting rod (304), and the reset spring (305) is connected with the clamping head (301) into a whole through the connecting rod (304).

2. The multispectral filter switching device of a video camera according to claim 1, wherein: the first ring (2) and the second ring (201) are both rotationally connected with the rotating shaft (206), and the screw cap (208) is attached to the center of the right face of the rotating disc (203) in the second ring (201).

3. The multispectral filter switching device of a video camera according to claim 1, wherein: light-transmitting sheet (103) is clamped in the middle of the right end of the switching tube (1), the left end of the rotating shaft (206) is fixed in the middle of the left side of the inner wall of the switching tube (1), and the right end of the rotating shaft (206) is attached to the central position of the inner wall of the light-transmitting sheet (103).

4. The multispectral filter switching device of a video camera according to claim 1, wherein: two notches (104) which are respectively parallel to the right sides of the two semicircular grooves (102) are formed in the middle of the upper surface of the switching cylinder (1), and the left ends of the notches (104) are communicated with the right sides of the inner walls of the semicircular grooves (102).

5. The multispectral filter switching device of a camera according to claim 4, wherein: fastener (3) are gone into in notch (104) from a left side to the right side card, and make reset spring (305) right-hand member and notch (104) inner wall right side laminating, just dop (301) left end flushes with notch (104) left end, just riser (302) top is passed notch (104) top and with a switching section of thick bamboo (1) front and back swing joint, two fastener (3) are on a parallel with ring one (2) and ring two (201) right side top position.

6. The multispectral filter switching device of a video camera according to claim 1, wherein: the upper and lower side edge positions of the left end of the switching cylinder (1) are respectively fixed with a thread semi-ring (101).