CN214851498U - Adapter ring capable of driving external lens aperture deflector rod - Google Patents
Adapter ring capable of driving external lens aperture deflector rod Download PDFInfo
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- CN214851498U CN214851498U CN202121423251.2U CN202121423251U CN214851498U CN 214851498 U CN214851498 U CN 214851498U CN 202121423251 U CN202121423251 U CN 202121423251U CN 214851498 U CN214851498 U CN 214851498U
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Abstract
A switching ring capable of driving an external lens aperture deflector rod comprises a switching ring main body, a circuit board, a stepping motor speed reducer, a driving assembly, a light-transmitting inner cylinder, a lens connecting ring and a camera connecting ring; the device is provided with a stepping motor driving and reducing gear transmission device, and can drive a reducing gear to engage with a driving rack to move lightly and smoothly, so that the light ring control is more stable and accurate during photographing, and the problems of poor exposure of film and image caused by other lost steps and idle running are effectively avoided; the device can realize automatic control's switching ring, not only can drive external light ring driving lever camera automatic aperture and auto focus, can also adapt to the electromagnetism light ring camera lens on the market and also can realize auto focus, and the switching camera lens is abundanter various.
Description
Technical Field
The utility model relates to a camera lens and camera switching field specifically are a can drive switching ring of external camera lens light ring driving lever.
Background
The lens is one of key apparatuses in photography, and some external aperture deflector rod lenses in the early days cannot be integrated into the lens due to the technology and cost at that time, and the lenses can only be supported and used on the body structure of the same brand, so that the desire of a photographer to use the lens more widely cannot be realized, and meanwhile, the lens is reliable and durable, and the imaging effect is excellent and popular with the photographer. The lens can be widely used, and the significance of the design of the adapter ring is achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a switching ring that can drive external camera lens light ring driving lever is provided can effectively solve the problem that proposes in the above-mentioned background art.
In order to solve the above problems, the utility model adopts the following technical proposal: a switching ring capable of driving an external lens aperture deflector rod comprises a switching ring main body, a circuit board, a stepping motor speed reducer, a driving assembly, a light-transmitting inner cylinder, a lens connecting ring and a camera connecting ring, and is characterized in that the switching ring main body is in screwed connection with the circuit board; the circuit board is sleeved in the adapter ring main body; the circuit board is provided with a photoelectric detection element and a lens release detection device; the adapter ring main body is connected with the stepping motor speed reducer through screws; the stepping motor speed reducer is positioned in a cavity at the bottom of the adapter ring main body and is electrically connected with the circuit board through a wire; the driving assembly is connected with the adapter ring main body through screws and is in meshed connection with the stepping motor speed reducer; the light-transmitting inner cylinder is connected with the adapter ring main body through screws and is sleeved inside the adapter ring main body; a lens connecting ring is arranged on one side of the adapter ring main body, and a camera connecting ring is arranged on the other side of the adapter ring main body; the lens connecting ring is positioned beside the light-transmitting inner cylinder; the camera connecting ring is positioned beside the circuit board.
As a further preferable scheme of the utility model, the adapter ring main body is provided with an adjusting ring and a foot rest fixing seat; the adjusting ring is in screw connection with the driving assembly; the foot rest fixing seat is connected with the adapter ring main body through screws and is located at the bottom of the adapter ring main body.
As a further preferred scheme of the utility model, the foot rest fixing seat is provided with a TYPE-C interface and a fixing nut; the TYPE-C interface is located the side of foot rest fixing base, and TYPE-C interface passes through wire and circuit board electric connection.
As a further preferable scheme of the utility model, the stepping motor speed reducer is provided with a driving gear; the driving gear is in meshed connection with the driving assembly.
As a further preferred scheme of the utility model, the driving assembly is composed of a driving rack, an aperture shifting sheet and a rack fixing sheet; the driving rack is in screwed connection with the rack fixing piece and is in meshed connection with a driving gear of the stepping motor speed reducer; the aperture shifting sheet is positioned between the driving rack and the rack fixing sheet; the rack fixing piece is connected with the adapter ring main body through screws.
As a further preferred scheme of the utility model, the outer edge of the light-transmitting inner cylinder is of an annular structure, and the inner wall of the light-transmitting inner cylinder is of a step structure; the light-transmitting inner cylinder is provided with a lens release key; the lens release button is in touch induction connection with a lens release detection device of the circuit board.
As a further preferred scheme of the present invention, the lens connection ring is composed of a lens contact, a clip rebound gasket, and a lens clip ring; the lens contact is connected with the clamp ring resilience gasket through a screw; the clamping ring resilience gasket is connected with the lens in a clamping manner; the lens clamping ring is connected with the adapter ring main body through screws.
As a further preferable aspect of the present invention, the camera attachment ring is composed of a camera contact pin, a contact pin fastening frame, and a camera retainer ring; the camera contact pin is connected with the contact pin fastening frame through screws; the contact pin fastening frame is fixedly sleeved with the camera retainer ring; the camera clamping ring is connected with the adapter ring main body through screws.
Compared with the prior art, the utility model provides a can drive switching ring of external camera lens light ring driving lever possesses following beneficial effect:
the device is provided with a stepping motor driving and reducing gear transmission device, and can drive a reducing gear to engage with a driving rack to move lightly and smoothly, so that the light ring control is more stable and accurate during photographing, and the problems of poor exposure of film and image caused by other lost steps and idle running are effectively avoided; the device can realize automatic control's switching ring, not only can drive external light ring driving lever camera automatic aperture and auto focus, can also adapt to the electromagnetism light ring camera lens on the market and also can realize auto focus, and the switching camera lens is abundanter various.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic view of a part of the three-dimensional structure of the present invention;
FIG. 3 is a schematic view of a side structure part of the present invention;
fig. 4 is a schematic diagram of the homing detection of the photodetection device of the present invention;
FIG. 5 is a side sectional view of the present invention;
wherein: 1. adapter ring main part, 101, adjusting ring, 102, foot rest fixing base, 102-1, TYPE-C interface, 102-2, fixing nut, 2, circuit board, 201, photoelectric detection element, 202, lens release detection device, 3, stepping motor reduction gear, 301, drive gear, 4, drive assembly, 401, drive rack, 402, diaphragm plectrum, 403, rack fixing piece, 5, light-through inner cylinder, 501, lens release button, 6, lens adapter ring, 601, lens contact, 602, collar resilience gasket, 603, lens collar, 7, camera adapter ring, 701, camera contact pin, 702, contact pin fastening frame, 703, camera collar.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-5, the utility model provides a switching ring capable of driving an external lens aperture deflector rod, which comprises a switching ring main body 1, a circuit board 2, a stepping motor speed reducer 3, a driving assembly 4, a light-passing inner cylinder 5, a lens connecting ring 6 and a camera connecting ring 7, and is characterized in that the switching ring main body 1 is in screwed connection with the circuit board 2; the circuit board 2 is sleeved in the adapter ring main body 1; the circuit board 2 is provided with a photoelectric detection element 201 and a lens release detection device 202 (the photoelectric detection element 201 is used for homing detection of the stepping motor speed reducer 2 and has the function of identifying that when the stepping motor speed reducer 2 drives the driving assembly 4 to move to the maximum aperture, the photoelectric detection element 201 is used as a counting reference in each step of aperture change and the photoelectric detection element 201 is used as a counting reference in recording the original aperture value into a main control chip of the circuit board 1; the adapter ring main body 1 is in screwed connection with the stepping motor speed reducer 3; the stepping motor speed reducer 3 is positioned in a cavity at the bottom of the adapter ring main body 1, and the stepping motor speed reducer 3 is electrically connected with the circuit board 2 through a lead; the driving component 4 is in screwed connection with the adapter ring main body 1, and the driving component 4 is in meshed connection with the stepping motor speed reducer 3; the light-transmitting inner cylinder 5 is in screwed connection with the adapter ring main body 1, and the light-transmitting inner cylinder 5 is sleeved inside the adapter ring main body 1; a lens connecting ring 6 is arranged on one side of the adapter ring main body 1, and a camera connecting ring 7 is arranged on the other side of the adapter ring main body 1; the lens connecting ring 6 is positioned beside the light-transmitting inner cylinder 5; the camera connects the ring 7 to be located by circuit board 2 (the design of adapter ring main part 1 inner wall has four layers of steps, the first layer step and the camera of adapter ring main part 1 connect the ring 7 screw fixation, the second floor step and circuit board 2 screw fixation, the third layer step and the 5 screw fixation of logical light inner tube, the fourth layer step and the 6 screw fixation of camera lens adapter ring).
As a further preferable scheme of the present invention, the adapter ring main body 1 is provided with an adjusting ring 101 and a foot stool fixing seat 102; the adjusting ring 101 is in screwed connection with the driving assembly 4; the foot stand fixing seat 102 is connected with the adapter ring main body 1 through screws, and the foot stand fixing seat 102 is located at the bottom of the adapter ring main body 1.
As a further preferable scheme of the present invention, the foot stool fixing seat 102 is provided with a TYPE-C interface 102-1 and a fixing nut 102-2 (the size of the fixing nut 102-2 is 1/4 inches); the TYPE-C interface 102-1 is located on the side face of the foot stool fixing seat 102, and the TYPE-C interface 102-1 is electrically connected with the circuit board 2 through a wire.
As a further preferable aspect of the present invention, the stepping motor reduction gear 3 is provided with a driving gear 301; the driving gear 301 is in meshed connection with the driving assembly 4; the total number of teeth of the driving gear 301 is 18, the tooth pitch is 1.3mm, the diameter of a tooth top circle is 10mm, the diameter of a tooth root circle is 7.7mm, and the diameter of a reference circle is 8.8 mm; the stepping motor speed reducer 3 is fixed on the lower part of the adapter ring body 1, and is fixed by two screws to form an angle of 18 degrees with the base of the adapter ring body 2.
As a further preferable scheme of the present invention, the driving assembly 4 is composed of a driving rack 401, an aperture dial 402, and a rack fixing plate 403; the driving rack 401 is in screwed connection with the rack fixing plate 403, and the driving rack 401 is in meshed connection with the driving gear 301 of the stepping motor speed reducer 3; the diaphragm shifting plate 402 is positioned between the driving rack 401 and the rack fixing plate 403; the rack fixing piece 403 is in screwed connection with the adapter ring main body 1; the total number of teeth of the driving rack 401 is 11, the diameter of a top circle is 62mm, the diameter of a bottom circle is 60mm, and the precision is 0.1 mm; a vertical bend is arranged at the bottom end of the driving rack 401 and is designed for photoelectric groove aperture homing detection, and an arc-shaped groove is formed in the surface, in contact with the adapter ring main body 1, of the driving rack 401 so as to reduce the friction force between the rack and the main body; the lower end of the driving rack 401 is designed to be bent in a vertical structure, two fixing columns for fixing the aperture shifting piece 402 are arranged at the middle upper part of the driving rack 401, and the aperture shifting piece 402 can be tightly locked by one screw; the material of the driving rack 401 fixing piece is stainless steel, and the shape of the driving rack 401 is circular arc.
As a further preferable scheme of the utility model, the outer edge of the light-transmitting inner cylinder 5 is of an annular structure, and the inner wall of the light-transmitting inner cylinder 5 is of a step structure; the step structure of the inner wall is subjected to extinction treatment; the light-transmitting inner cylinder 5 is provided with a lens release key 501; the lens release button 501 is in touch sensing connection with the lens release detection device 202 of the circuit board 2 (the lens release button 501 is pushed by a spring provided with the lens release button 501 in a sliding slot formed in the side surface of the adapter ring main body 1 to the upper end naturally for fixing a lens, the lower end of the lens release button 501 is matched with the lens release detection device 202 on the circuit board 2, and when the lens release button 501 is pressed, the spring provided with the lens release button 501 is forced to contact the lens release detection device 202 on the circuit board 2 downwards, so that the communication between the adapter ring and the connected lens is cut off).
As a further preferred scheme of the present invention, the lens connection ring 6 is composed of a lens contact 601, a collar rebound gasket 602, and a lens collar 603; the lens contact 601 is in screw connection with a collar rebound gasket 602; the collar rebound gasket 602 is connected with the lens in a clamping manner; the lens retainer ring 603 is in screw connection with the adapter ring main body 1.
As a further preferable aspect of the present invention, the camera interface 7 is composed of a camera contact pin 701, a contact pin fastening frame 702, and a camera collar 703; the camera contact pin 701 is in screw connection with a contact pin fastening frame 702; the stylus fastening frame 702 is fixedly sleeved with the camera collar 703; the camera collar 703 is screwed to the adapter ring body 1.
As a specific embodiment of the present invention: the use steps are that the lens is firstly installed on an adapter ring capable of driving an external lens aperture deflector rod, and when the lens is rotated to the adapter ring, a lens contact 601 of the adapter ring is required to be heard to fall into a lens positioning hole and a click sound is heard, so that the fact that the lens is installed in place is indicated. Then, the lens and the adapter ring are rotated to the camera, when the camera is installed on the camera, the camera lock pin column is required to be heard to fall into the camera contact pin 701 of the adapter ring and a click sound is heard, and the adapter ring is installed in place; the power supply of the camera can be started, and the camera supplies power to the lens through the adapter ring at the moment. When the power supply provided by the camera is supplied to the adapter ring and the lens, the adapter ring is communicated with the camera after being electrified, after the camera identifies the adapter ring, the camera further processes and operates the adapter ring, then parameters (aperture value, focal length, anti-shake, EXIF) and the like related to the lens needed to be processed by the camera body are transmitted to the adapter ring, the adapter ring processes and transmits related signals according to the information transmitted by the camera through the circuit board 2 on the adapter ring and the electronic components and the chip processor matched on the circuit board 2, so that the stepping motor speed reducing device 3 rotates and drives the lens aperture to move to the position of the photoelectric detector 201 on the circuit board 2 through the driving rack 401, the main control chip transmits a stop instruction to stop the stepping motor speed reducing device 3 to finish the self-checking position, and after the further instruction transmitted by the camera to the adapter ring is processed through the adapter ring, the instructions are converted into instructions capable of being recognized by the lens to finish the focusing of the lens, after information such as anti-shake, exposure control and focusing is carried out, optical signals captured by the lens are transmitted to the camera through the light transmitting inner cylinder 5 of the adapter ring, lens EXIF information is transmitted to the adapter ring through the lens contact 601 on the adapter ring, the adapter ring receives the information instructions, then the information is processed through chip operation on the circuit board 2 and then transmitted to the camera through the camera contact pin 701, and the whole process of the whole shooting information processing is completed.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (8)
1. A switching ring capable of driving an external lens aperture deflector rod comprises a switching ring main body (1), a circuit board (2), a stepping motor speed reducer (3), a driving assembly (4), a light-passing inner cylinder (5), a lens connecting ring (6) and a camera connecting ring (7), and is characterized in that the switching ring main body (1) is in screw connection with the circuit board (2); the circuit board (2) is sleeved in the adapter ring main body (1); the circuit board (2) is provided with a photoelectric detection element (201) and a lens release detection device (202); the adapter ring main body (1) is in screw connection with the stepping motor speed reducer (3); the stepping motor speed reducer (3) is positioned in a cavity at the bottom of the adapter ring main body (1), and the stepping motor speed reducer (3) is electrically connected with the circuit board (2) through a lead; the driving assembly (4) is in screwed connection with the adapter ring main body (1), and the driving assembly (4) is in meshed connection with the stepping motor speed reducer (3); the light-transmitting inner cylinder (5) is in screw connection with the adapter ring main body (1), and the light-transmitting inner cylinder (5) is sleeved inside the adapter ring main body (1); a lens connecting ring (6) is installed on one side of the adapter ring main body (1), and a camera connecting ring (7) is installed on the other side of the adapter ring main body (1); the lens connecting ring (6) is positioned beside the light-transmitting inner cylinder (5); the camera connecting ring (7) is located beside the circuit board (2).
2. The adapter ring capable of driving the external lens aperture deflector rod according to claim 1, wherein the adapter ring body (1) is provided with an adjusting ring (101) and a foot rest fixing seat (102); the adjusting ring (101) is in screw connection with the driving assembly (4); the foot rest fixing seat (102) is in screw connection with the adapter ring main body (1), and the foot rest fixing seat (102) is located at the bottom of the adapter ring main body (1).
3. The adapter ring capable of driving the external lens aperture deflector rod according to claim 2, wherein the foot stand fixing seat (102) is provided with a TYPE-C interface (102-1) and a fixing nut (102-2); the TYPE-C interface (102-1) is located on the side face of the foot stool fixing seat (102), and the TYPE-C interface (102-1) is electrically connected with the circuit board (2) through a wire.
4. The adapter ring capable of driving an external lens aperture deflector rod according to claim 1, wherein the stepping motor reduction gear (3) is provided with a driving gear (301); the driving gear (301) is in meshed connection with the driving assembly (4).
5. The adapter ring of claim 1, wherein the driving assembly (4) comprises a driving rack (401), an aperture dial (402) and a rack fixing plate (403); the driving rack (401) is in screwed connection with the rack fixing piece (403), and the driving rack (401) is in meshed connection with a driving gear (301) of the stepping motor speed reducer (3); the aperture shifting sheet (402) is positioned between the driving rack (401) and the rack fixing sheet (403); the rack fixing piece (403) is in screw connection with the adapter ring main body (1).
6. The adapter ring capable of driving the external lens aperture deflector rod according to claim 1, wherein the outer edge of the light-transmitting inner cylinder (5) is of an annular structure, and the inner wall of the light-transmitting inner cylinder (5) is of a step structure; the light-transmitting inner cylinder (5) is provided with a lens release key (501); the lens release key (501) is in touch induction connection with a lens release detection device (202) of the circuit board (2).
7. The adapter ring of claim 1, wherein the lens adapter ring (6) comprises a lens contact (601), a retainer ring rebound washer (602), and a lens retainer ring (603); the lens contact (601) is in screw connection with the clamp ring resilience gasket (602); the clamp ring resilience gasket (602) is connected with the lens in a clamping manner; the lens clamping ring (603) is in screw connection with the adapter ring main body (1).
8. The adapter ring of claim 1, wherein the camera adapter ring (7) comprises a camera contact pin (701), a contact pin fastening frame (702), and a camera collar (703); the camera contact pin (701) is in screw connection with a contact pin fastening frame (702); the contact pin fastening frame (702) is fixedly sleeved with the camera collar (703); the camera collar (703) is in screw connection with the adapter ring main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121423251.2U CN214851498U (en) | 2021-06-25 | 2021-06-25 | Adapter ring capable of driving external lens aperture deflector rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121423251.2U CN214851498U (en) | 2021-06-25 | 2021-06-25 | Adapter ring capable of driving external lens aperture deflector rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214851498U true CN214851498U (en) | 2021-11-23 |
Family
ID=78810029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121423251.2U Active CN214851498U (en) | 2021-06-25 | 2021-06-25 | Adapter ring capable of driving external lens aperture deflector rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214851498U (en) |
-
2021
- 2021-06-25 CN CN202121423251.2U patent/CN214851498U/en active Active
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