CN115373195B - Lens switching ring - Google Patents
Lens switching ring Download PDFInfo
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- CN115373195B CN115373195B CN202211014930.3A CN202211014930A CN115373195B CN 115373195 B CN115373195 B CN 115373195B CN 202211014930 A CN202211014930 A CN 202211014930A CN 115373195 B CN115373195 B CN 115373195B
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- clamping
- ring body
- adapter ring
- lens
- protective cover
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
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- General Physics & Mathematics (AREA)
- Lens Barrels (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
The invention discloses a lens transfer ring, which is used for installing a lens, the lens is provided with a bayonet end, the outer side wall of the bayonet end is provided with a clamping block, the lens transfer ring comprises a transfer ring body, a compression joint part and an adjusting part, the transfer ring body is provided with a first end and a second end which are opposite along the axial direction of the lens transfer ring body, the first end is used for being connected with a camera or a video camera, the compression joint part is arranged on the transfer ring body and can be moved and adjusted along the axial direction of the transfer ring body, the compression joint part is positioned outside the end face of the second end, a clamping groove which can be opened and closed is formed between the compression joint part and the end face of the second end, the clamping groove is used for clamping the clamping block, the adjusting part is arranged on the transfer ring body and can be moved and adjusted along the axial direction of the transfer ring body, and when the clamping block is clamped into the clamping groove, the end face of the adjusting part, which is close to the second end is abutted against the end face of the bayonet end. The lens adapter ring is convenient for installing different lenses, convenient for adjusting the flange distance of a camera or a video camera, high in practicability and beneficial to popularization and use.
Description
Technical Field
The invention relates to the technical field of optical equipment, in particular to a lens transfer ring.
Background
Different types of lenses have different types of bayonet ends, for example, some lenses have PL bayonet ends, some lenses have EF bayonet ends, and the outer side walls of the bayonet ends of the lenses are typically provided with a clip. When different types of lenses are mounted on the same camera or video camera, a lens transfer ring is needed, a PL bayonet lens is mounted on an EF mouth camera as an example, one end of the transfer ring is provided with an EF interface end, the other end is provided with a clamping groove, when the lens transfer ring is used, the EF interface end of the transfer ring is mounted on the camera, and then a clamping block at the bayonet end of the PL bayonet lens is clamped into the clamping groove of the transfer ring.
The existing lens adapter ring can be used for installing different lenses, but is troublesome to install, and is inconvenient to adjust the distance between the image surface of a camera and the end surface of the lens mount end (namely the flange distance of the camera), so that the practicability is required to be improved.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the lens adapter ring provided by the invention is convenient for installing different lenses, is convenient for adjusting the flange distance of a camera or a video camera, has high practicability and is beneficial to popularization and use.
According to the lens transfer ring provided by the embodiment of the invention, the lens is provided with the bayonet end, the outer side wall of the bayonet end is provided with the clamping block, the lens transfer ring comprises a transfer ring body, a crimping part and an adjusting part, the transfer ring body is provided with a first end and a second end which are opposite along the axial direction of the lens transfer ring body, the first end is used for being connected with a camera or a video camera, the crimping part is arranged on the transfer ring body and can be movably adjusted along the axial direction of the transfer ring body, the crimping part is positioned outside the end face of the second end, a clamping groove capable of being opened and closed is formed between the crimping part and the end face of the second end, the clamping groove is used for clamping the clamping block, the adjusting part is arranged on the transfer ring body and can be movably adjusted along the axial direction of the transfer ring body, and when the clamping block is clamped into the clamping groove, the end face of the adjusting part is close to the second end abuts against the end face of the bayonet end.
The lens transfer ring provided by the embodiment of the invention has at least the following beneficial effects:
when the lens adapter ring is used, the first end of the adapter ring body is mounted on a camera or a video camera, then the pressure-welding adjusting part is moved to open a clamping groove formed between the pressure-welding part and the end face of the second end, then the clamping block at the lens bayonet end is clamped into the clamping groove, and finally the pressure-welding adjusting part is moved to enable the pressure-welding part to be abutted against the clamping block, so that the end face, close to the second end, of the adjusting part is abutted against the end face of the lens bayonet end, and the lens can be mounted, so that the lens adapter ring is convenient to operate, time-saving and labor-saving. After the lens is mounted on the lens adapter ring, the end face of the lens bayonet end is abutted against the end face of the adjusting part, which is close to the second end, so that when the adjusting part moves and adjusts along the axial direction of the adapter ring body, the position of the end face of the lens bayonet end in the axial direction of the adapter ring body can be adjusted, and the distance from the image surface of the camera to the end face of the lens bayonet end (namely the flange distance of the camera) can be adjusted, so that the lens adapter ring is high in practicability and beneficial to popularization and use.
According to some embodiments of the invention, the adjusting part is provided in a ring shape, and an inner side wall of the adapter ring body is in threaded connection with an outer side wall of the adjusting part.
According to some embodiments of the invention, the outer side wall of the adapter ring body is in threaded connection with a pressing ring, and the pressing part is arranged at one end of the pressing ring close to the second end.
According to some embodiments of the invention, the second end is detachably provided with a protective cover.
According to some embodiments of the invention, an outer side wall of one end of the protective cover is provided with a clamping portion, and the clamping portion can be clamped into the clamping groove.
According to some embodiments of the invention, a limiting part is arranged on the end face of the second end, and a limiting groove is arranged on the clamping part corresponding to the limiting part;
or, the end face of the second end is provided with a limit groove, and the clamping part is provided with a limit part corresponding to the limit groove;
when the clamping part is clamped into the clamping groove, the limiting part can be clamped into the limiting groove so as to limit the rotation of the protective cover.
According to some embodiments of the invention, the end face of the adjusting part, which is close to the second end, is provided with a plurality of concave positions, and the end face of the end, which is far away from the clamping part, of the protective cover is provided with a plurality of convex parts corresponding to the concave positions, wherein the convex parts can be clamped into the corresponding concave positions, so that the protective cover can drive the adjusting part to rotate.
According to some embodiments of the invention, the plurality of concave positions are unevenly distributed along the circumferential direction of the adjusting part, the plurality of convex parts are unevenly distributed along the circumferential direction of the protective cover, the protective cover is circumferentially provided with a plurality of graduation marks, the adapter ring body is provided with an identifier, or the adapter ring body is circumferentially provided with a plurality of graduation marks, the protective cover is provided with an identifier, and the identifier can be aligned with different graduation marks when the protective cover drives the adjusting part to rotate.
According to some embodiments of the invention, the clamping portions are arranged in a plurality along the circumferential direction of the protective cover, the crimping portions are arranged in a plurality along the circumferential direction of the clamping ring, and a gap for the clamping portions to pass through is reserved between two adjacent crimping portions.
According to some embodiments of the invention, the outer side wall of the adjusting part is provided with a plurality of gear grooves along the circumferential direction, the inner side wall of the adapter ring body is provided with a mounting hole, the mounting hole is provided with a clamping bead, the clamping bead is clamped into one of the gear grooves, and the length of the gear groove is larger than the diameter of the clamping bead along the axial direction of the adapter ring body.
According to some embodiments of the invention, one end of the mounting hole away from the clamping bead is penetrated, one end of the mounting hole away from the clamping bead is connected with a bolt in a threaded manner, and an elastic piece is arranged between the bolt and the clamping bead in the mounting hole.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the protection cover and the adapter ring body in FIG. 1 after separation;
FIG. 3 is a schematic view of the structure of the protective cover when the adjusting part is controlled to rotate;
FIG. 4 is a schematic diagram of the structure of the protective cover and the adjusting portion in FIG. 3 after separation;
FIG. 5 is a cross-sectional view of the present invention without the protective cover installed;
FIG. 6 is a cross-sectional view of the present invention with a protective cover installed;
FIG. 7 is an enlarged view of FIG. 5 at A;
FIG. 8 is a schematic view of the structure of the adapter ring body;
fig. 9 is a schematic structural view of the regulating portion;
fig. 10 is a schematic structural view of the clamping ring.
Reference numerals:
an adapter ring body 100; a first end 101; a second end 102; a limit part 103; a mounting hole 104; a clamping bead 105; a bolt 106; an elastic member 107; a mounting base 108;
a crimping part 200; a card slot 201; a press ring 202; a dial 203;
an adjusting section 300; the concave 301; a gear slot 302;
a protective cover 400; a clamping part 401; a limit groove 402; a convex portion 403; graduation marks 404.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
A lens transfer ring according to an embodiment of the present invention is described below with reference to fig. 1 to 10.
As shown in fig. 1 to 10, according to an embodiment of the present invention, a lens adapter ring is used for mounting a lens, the lens is provided with a bayonet end, an outer side wall of the bayonet end is provided with a clamping block, the lens adapter ring includes an adapter ring body 100, a compression joint part 200 and an adjusting part 300, the adapter ring body 100 has a first end 101 and a second end 102 opposite to each other along an axial direction thereof, the first end 101 is used for connecting a camera or a video camera, the compression joint part 200 is arranged on the adapter ring body 100 and can be moved and adjusted along the axial direction of the adapter ring body 100, the compression joint part 200 is positioned outside an end face of the second end 102, a clamping groove 201 capable of opening and closing is formed between the compression joint part 200 and an end face of the second end 102, the clamping groove 201 is used for clamping the clamping block, the adjusting part 300 is arranged on the adapter ring body 100 and can be moved and adjusted along the axial direction of the adapter ring body 100, and when the clamping block is clamped into the clamping groove 201, an end face of the adjusting part 300 is close to the end face of the second end 102 to abut against an end face of the bayonet end.
In this embodiment, with the lens adapter ring of the present invention, the first end 101 of the adapter ring body 100 is mounted on a camera or a video camera, then the pressure-adjusting portion 200 is moved to open the clamping groove 201 formed between the end surfaces of the pressure-adjusting portion 200 and the second end 102, then the clamping block at the lens mount end is clamped into the clamping groove 201, and finally the pressure-adjusting portion 200 is moved to abut the clamping block, so that the end surface of the adjusting portion 300 close to the second end 102 abuts against the end surface of the lens mount end, thereby realizing the mounting of the lens. Because the lens is installed on the lens adapter ring, the terminal surface butt adjustment part 300 of lens bayonet end is close to the terminal surface of second end 102, and then when the axial displacement adjustment of adjustment part 300 along adapter ring body 100, can adjust the terminal surface of lens bayonet end in adapter ring body 100 axial position to can adjust the distance (that is the flange distance of camera) between the terminal surface of camera's image plane to the terminal surface of lens bayonet end, when adjustment part 300 removes the regulation moreover, crimping portion 200 can correspondingly remove the regulation, and then make adjustment part 300 and crimping portion 200 can cooperate the installation camera more closely, the practicality is high, do benefit to the popularization and use.
It should be noted that, the first end 101 is used for connecting a camera or a video camera, taking mounting the PL bayonet lens on the EF-mouth camera as an example, in this case, the first end 101 is an EF-mouth end, the outer side wall of the first end 101 is provided with a clamping strip, which just can be mounted on the EF-mouth camera in a matching manner, the bayonet end of the PL bayonet lens is a PL bayonet, and the clamping slot 201 is used for clamping a clamping block of the bayonet end of the PL bayonet lens, so as to realize the clamping of the PL bayonet lens, and of course, the first end 101 may be other types of interface ends, so as to be mounted on other types of cameras or video cameras, which will not be repeated herein. After the clamping block at the lens bayonet end is clamped into the clamping groove 201, one end of the clamping block is abutted against the compression joint part 200, and as the end face of the lens bayonet end is abutted against the end face of the adjusting part 300 close to the second end 102, the other end of the clamping block is not required to be abutted against the end face of the second end 102 of the adapter ring body 100, and the installation of the lens is realized through the cooperation of the adjusting part 300 and the compression joint part 200.
In some embodiments of the present invention, as shown in fig. 5 to 9, the adjusting part 300 is provided in a circular ring shape, and the inner sidewall of the adapter ring body 100 is screw-coupled with the outer sidewall of the adjusting part 300. Specifically, the adapter ring body 100 is also of a ring-shaped structure, the outer side wall of the adjusting part 300 is provided with a first external thread, the inner side wall of the adapter ring body 100 is correspondingly provided with a first internal thread, the adjusting part 300 is connected with the adapter ring body 100 through the matching thread of the first external thread and the first internal thread, the adjusting part 300 is rotated, and the adjusting part 300 can be adjusted along the axial movement of the adapter ring body 100.
It should be noted that, the adjusting portion 300 may be movably adjusted by other manners, for example, the adjusting portion 300 may be slidably mounted on the adapter ring body 100 along an axial direction of the adapter ring body 100, the adapter ring body 100 is rotatably provided with an adjusting screw, a length direction of the adjusting screw is parallel to an axial direction of the adapter ring body 100, the adjusting screw is in threaded connection with the adjusting portion 300, and the adjusting screw is rotated to control the adjusting portion 300 to be movably adjusted.
In some embodiments of the present invention, as shown in fig. 1 to 6, the outer sidewall of the adapter ring body 100 is screwed with a pressing ring 202, and the pressing portion 200 is disposed at an end of the pressing ring 202 near the second end 102. Specifically, the clamping ring 202 is of a circular ring structure, the outer side wall of the adapter ring body 100 can be provided with second external threads, the inner side wall of the clamping ring 202 can be correspondingly provided with second internal threads, the clamping ring 202 is connected with the adapter ring body 100 through the matched threads of the second internal threads and the second external threads, the compression joint part 200 can be arranged on the inner side of one end, close to the second end 102, of the clamping ring 202, the clamping ring 202 is rotated, the clamping ring 202 can be adjusted along the axial movement of the adapter ring body 100, and accordingly the compression joint part 200 is driven to be adjusted along the axial movement of the adapter ring body 100.
It should be noted that, the pressure connection portion 200 may be movably adjusted in other manners, for example, the pressure connection portion 200 may be slidably mounted on the adapter ring body 100 along an axial direction of the adapter ring body 100, the adapter ring body 100 is rotatably provided with an adjusting screw, a length direction of the adjusting screw is parallel to an axial direction of the adapter ring body 100, the adjusting screw is in threaded connection with the pressure connection portion 200, and the adjusting screw is rotated to control the movement adjustment of the pressure connection portion 200.
In some embodiments of the present invention, as shown in fig. 1 to 7, the outer sidewall of the pressing ring 202 is provided with a dial 203, and the dial 203 is used to make it more convenient for a user to rotate the pressing ring 202.
In some embodiments of the present invention, as shown in fig. 1, 2 and 4, the second end 102 is detachably provided with a protective cover 400. When the lens adapter ring of the present invention is not needed, the first end 101 of the adapter ring body 100 is placed downward, and then the protection cover 400 is installed, so that dust can be prevented from entering the adapter ring body 100 to affect the use of the lens adapter ring.
In some embodiments of the present invention, as shown in fig. 2 to 4 and 6, an outer sidewall of one end of the protective cover 400 is provided with a clamping portion 401, and the clamping portion 401 can be clamped into the clamping groove 201. When the protective cover 400 needs to be installed, the pressing ring 202 is rotated towards the set direction, the pressing ring 202 drives the compression joint part 200 to move along the axial direction of the adapter ring body 100 to be adjusted, the clamping groove 201 is opened, then the clamping part 401 of the protective cover 400 is clamped into the clamping groove 201, finally the pressing ring 202 is rotated towards the opposite direction of the set direction, the clamping groove 201 is folded, the compression joint part 200 can be abutted against and tightly pressed against the clamping part 401, and therefore the protective cover 400 is installed, installation is convenient, and when the protective cover 400 needs to be detached, operation is convenient. It should be noted that the protective cover 400 may be detachably mounted to the second end 102 of the adapter ring body 100 by other methods, such as a screw connection.
In some embodiments of the present invention, as shown in fig. 2 to 4, the end surface of the second end 102 is provided with a limiting portion 103, and the clamping portion 401 is provided with a limiting groove 402 corresponding to the limiting portion 103, where when the clamping portion 401 is clamped into the clamping groove 201, the limiting portion 103 can be clamped into the limiting groove 402 to limit the rotation of the protective cover 400. When the protective cover 400 is installed, after the clamping portion 401 is clamped into the clamping groove 201, the limiting portion 103 and the limiting groove 402 are aligned in the axial direction of the adapter ring body 100, then the adapter ring body 100 and the protective cover 400 are moved in opposite directions, the limiting portion 103 can be clamped into the limiting groove 402, the protective cover 400 can be prevented from rotating randomly through the cooperation of the limiting portion 103 and the limiting groove 402, and further the protective cover 400 can be prevented from driving the adjusting portion 300 to rotate through friction force so that the flange distance is changed carelessly.
Note that, the limiting portion 103 may be a limiting screw provided on the end surface of the second end 102, and of course, the limiting portion 103 may be integrally formed with the adapter ring body 100. In addition, a limiting groove 402 may be provided on the end surface of the second end 102, and the locking portion 401 may be provided with a limiting portion 103 corresponding to the limiting groove 402.
In some embodiments of the present invention, as shown in fig. 2, 4 and 9, the end surface of the adjusting portion 300 near the second end 102 is provided with a plurality of concave portions 301, and the end surface of the end of the protective cover 400 away from the clamping portion 401 is provided with a plurality of convex portions 403 corresponding to the concave portions 301. Specifically, the plurality of concave portions 301 may be disposed along the circumferential direction of the adjusting portion 300, and the plurality of convex portions 403 may be disposed along the circumferential direction of the shield cover 400, with the concave portions 301 corresponding to the convex portions 403 one by one. When the adjusting portion 300 needs to be rotated, the protruding portion 403 of the protective cover 400 is inserted into the concave portion 301 of the adjusting portion 300, and then the protective cover 400 is rotated, so that the adjusting portion 300 can be driven to rotate, and the adjusting portion 300 is rotated conveniently. In this embodiment, the protection cover 400 not only can play a protection role, but also can be used for rotating the adjusting part 300, has dual functions, and is ingenious in design and good in practicality. It will be appreciated that when the adjustment portion 300 is rotated by the shield cover 400, the shield cover 400 needs to be first removed from the adapter ring body 100.
In some embodiments of the present invention, as shown in fig. 1 to 4, the plurality of concave portions 301 are unevenly distributed along the circumferential direction of the adjusting portion 300, the plurality of convex portions 403 are unevenly distributed along the circumferential direction of the protective cover 400, a plurality of graduation marks 404 are circumferentially provided on the outer side wall of the protective cover 400, the adapter ring body 100 is provided with an identifier, or a plurality of graduation marks 404 are circumferentially provided on the outer side wall of the adapter ring body 100, the protective cover 400 is provided with an identifier, and the identifier can be aligned with different graduation marks 404 when the protective cover 400 drives the adjusting portion 300 to rotate. Through setting up scale mark 404 and sign, can more audio-visual understanding adjustment portion 300 pivoted angle to make the user can know the adjustment of flange distance more audio-visual, the practicality is good. The concave portions 301 are unevenly distributed along the circumferential direction of the adjusting portion 300, and the convex portions 403 are unevenly distributed along the circumferential direction of the protective cover 400, so that the protective cover 400 can be clamped with the adjusting portion 300 at a specific angle each time, and the use is more convenient.
In some embodiments of the present invention, as shown in fig. 2 to 4 and 10, a plurality of clamping portions 401 are provided along the circumferential direction of the protective cover 400, a plurality of crimping portions 200 are provided along the circumferential direction of the clamping ring 202, and a gap through which the clamping portion 401 passes is reserved between two adjacent crimping portions 200. And further, the clamping part 401 can be clamped into the clamping groove 201 or moved away from the clamping groove 201 more conveniently, so that the protective cover 400 can be mounted and dismounted more conveniently. In addition, the clamping blocks at the lens mount end are generally arranged in a plurality along the circumferential direction, so that the lens is convenient to install and detach.
In some embodiments of the present invention, as shown in fig. 7 and 9, the outer sidewall of the adjusting portion 300 is provided with a plurality of gear slots 302 along the circumferential direction, the inner sidewall of the adapter ring body 100 is provided with a mounting hole 104, the mounting hole 104 is provided with a clamping bead 105, the clamping bead 105 is clamped into one of the gear slots 302, and the length of the gear slot 302 is greater than the diameter of the clamping bead 105 along the axial direction of the adapter ring body 100. Specifically, the gear groove 302 and the first external thread on the outer side wall of the adjusting part 300 can be located at two axial ends of the adjusting part 300, so that interference between the gear groove 302 and the first external thread in positions is avoided, the gear groove 302 can be uniformly distributed along the circumferential direction of the adjusting part 300, when the adjusting part 300 is rotated, and different gear grooves 302 pass through the clamping beads 105, the clamping beads 105 can be clamped into the corresponding gear grooves 302 to generate a frustration sense, a user can have better operation handfeel, the user can know the rotating angle of the adjusting part 300, the rotating angle of the adjusting part 300 can be correspondingly converted into displacement along the axial movement, and therefore the user can know the adjusting quantity of the flange distance, and the practicability is good. The gear groove 302 may be a strip structure and extend along the axial direction of the adapter ring body 100, the clamping beads 105 are clamped into the gear groove 302, and a gap is reserved between the inner side walls of two ends of the gear groove 302 and the clamping beads 105, so that when the adjusting portion 300 moves along the axial direction of the adapter ring body 100, the clamping beads 105 can still be clamped into the gear groove 302.
In some embodiments of the present invention, as shown in fig. 7, an end of the mounting hole 104 away from the clamping bead 105 is disposed through, a bolt 106 is screwed to an end of the mounting hole 104 away from the clamping bead 105, and an elastic member 107 is disposed between the bolt 106 and the clamping bead 105 in the mounting hole 104. The elastic piece 107 applies elastic pressure to the clamping bead 105, after the clamping bead 105 is clamped into the gear groove 302, the clamping bead 105 can be prevented from moving out at will, and the elastic piece 107 can elastically stretch along the axial direction of the mounting hole 104, so that the clamping bead 105 can smoothly slide into the gear groove 302 or slide out of the gear groove 302. One end of the elastic piece 107, which is far away from the clamping bead 105, is abutted through the bolt 106, and the bolt 106 can be screwed out from the mounting hole 104, so that the mounting and dismounting of the elastic piece 107 and the clamping bead 105 are more convenient and quicker, in addition, the bolt 106 can be adjusted along the axial movement of the mounting hole 104 by rotating the bolt 106, and then the acting force of the elastic piece 107 on the clamping bead 105 can be adjusted, so that the clamping bead 105 cannot slide into and out of the gear groove 302 easily due to overlarge stress, and cannot slide out from the gear groove 302 randomly due to overlarge stress, and the practicability is better. It should be noted that the elastic member 107 may be a spring or an elastic rubber block or other common elastic structures.
In some embodiments of the present invention, as shown in fig. 1-6, the adapter ring body 100 is provided with a mounting block 108, the mounting block 108 being for mounting on an external support frame. The mounting seat 108 is arranged, and a threaded hole can be formed in the mounting seat 108, so that the lens adapter ring is conveniently mounted on the external support frame through screws.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (5)
1. The camera lens adapter ring for install the camera lens, the camera lens is equipped with bayonet socket end, the lateral wall of bayonet socket end is equipped with the fixture block, its characterized in that, the camera lens adapter ring includes:
the adapter ring body is provided with a first end and a second end which are opposite along the axial direction of the adapter ring body, and the first end is used for being connected with a camera or a video camera;
the crimping part is arranged on the adapter ring body and can move and adjust along the axial direction of the adapter ring body, the crimping part is positioned outside the end face of the second end, a clamping groove capable of opening and closing is formed between the crimping part and the end face of the second end, and the clamping groove is used for clamping the clamping block;
the adjusting part is arranged on the adapter ring body and can move and adjust along the axial direction of the adapter ring body, and when the clamping block is clamped into the clamping groove, the end face of the adjusting part, which is close to the second end, is abutted against the end face of the bayonet end;
the adjusting part is in a circular ring shape, and the inner side wall of the adapter ring body is in threaded connection with the outer side wall of the adjusting part;
the outer side wall of the adapter ring body is in threaded connection with a pressing ring, and the pressing part is arranged at one end, close to the second end, of the pressing ring;
the second end is detachably provided with a protective cover;
the outer side wall of one end of the protective cover is provided with a clamping part, and the clamping part can be clamped into the clamping groove;
the terminal surface that adjustment portion is close to the second end is equipped with a plurality of concave positions, the shield lid is kept away from the terminal surface of the one end of joint portion corresponds the concave position is equipped with a plurality of convex parts, wherein, the convex part can block into corresponding in the concave position, so that the shield lid can drive adjustment portion rotates.
2. The lens transfer ring of claim 1, wherein the end face of the second end is provided with a limiting part, and the clamping part is provided with a limiting groove corresponding to the limiting part;
or, the end face of the second end is provided with a limit groove, and the clamping part is provided with a limit part corresponding to the limit groove;
when the clamping part is clamped into the clamping groove, the limiting part can be clamped into the limiting groove so as to limit the rotation of the protective cover.
3. The lens adapter ring according to claim 1, wherein a plurality of concave positions are unevenly distributed along a circumferential direction of the adjusting portion, a plurality of convex portions are unevenly distributed along a circumferential direction of the protective cover, a plurality of scale marks are circumferentially arranged on the protective cover, an identifier is arranged on the adapter ring body, or a plurality of scale marks are circumferentially arranged on the adapter ring body, an identifier is arranged on the protective cover, and when the protective cover drives the adjusting portion to rotate, the identifier can be aligned with different scale marks.
4. A lens transfer ring according to any one of claims 1 to 3, wherein a plurality of gear grooves are formed in the outer side wall of the adjusting portion in the circumferential direction, a mounting hole is formed in the inner side wall of the transfer ring body, a clamping bead is arranged in the mounting hole, the clamping bead is clamped into one of the gear grooves, and the length of the gear groove is larger than the diameter of the clamping bead in the axial direction of the transfer ring body.
5. The lens adapter ring according to claim 4, wherein one end of the mounting hole away from the clamping bead is penetrated, one end of the mounting hole away from the clamping bead is connected with a bolt in a threaded manner, and an elastic piece is arranged between the bolt and the clamping bead in the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211014930.3A CN115373195B (en) | 2022-08-23 | 2022-08-23 | Lens switching ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211014930.3A CN115373195B (en) | 2022-08-23 | 2022-08-23 | Lens switching ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115373195A CN115373195A (en) | 2022-11-22 |
| CN115373195B true CN115373195B (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211014930.3A Active CN115373195B (en) | 2022-08-23 | 2022-08-23 | Lens switching ring |
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| Country | Link |
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| CN (1) | CN115373195B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204462615U (en) * | 2015-03-24 | 2015-07-08 | 上海松铖光学仪器有限公司 | The anti-camera lens of combined type list is transferred micro-unit body T-Ring |
| CN111077625A (en) * | 2019-12-30 | 2020-04-28 | 上海霁目信息科技有限公司 | Lens switching ring and lens switching method |
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| CN109946904B (en) * | 2018-12-25 | 2021-10-29 | 卓曜（北京）科技有限公司 | Bayonet of shooting equipment, adapter ring and shooting equipment |
| CN111365330A (en) * | 2018-12-26 | 2020-07-03 | 惠州璀璨光影技术有限公司 | Top bead fastener and novel filter support |
| CN211403066U (en) * | 2019-12-23 | 2020-09-01 | 夏伟捷 | Camera lens adapter ring |
| CN112558384B (en) * | 2020-11-30 | 2023-03-14 | 惠州市宏鑫光电科技有限公司 | Camera adapter, camera adapter device and camera |
| CN213750628U (en) * | 2020-12-29 | 2021-07-20 | 深圳市东正光学技术有限公司 | Arrange structure of inside adjustment camera lens bayonet socket flange distance of camera lens in |
| US11966145B2 (en) * | 2020-12-31 | 2024-04-23 | Pgytech Co., Ltd. | Quick-mounting structure, adaptor ring and filter |
| CN114326260B (en) * | 2021-12-08 | 2022-09-27 | 深圳市东正光学技术股份有限公司 | Lens bayonet changing device |
| CN216927343U (en) * | 2022-03-11 | 2022-07-08 | 方策 | Flange distance adjustable adapter ring |
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| CN204462615U (en) * | 2015-03-24 | 2015-07-08 | 上海松铖光学仪器有限公司 | The anti-camera lens of combined type list is transferred micro-unit body T-Ring |
| CN111077625A (en) * | 2019-12-30 | 2020-04-28 | 上海霁目信息科技有限公司 | Lens switching ring and lens switching method |
| CN212623289U (en) * | 2020-08-17 | 2021-02-26 | 成都云影方塘科技有限公司 | Photographic lens interchanging bayonet structure |
| WO2022141712A1 (en) * | 2020-12-31 | 2022-07-07 | 昆山蒲公英智能科技有限公司 | Quick release structure, adapter ring, and filter |
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| CN115373195A (en) | 2022-11-22 |
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